fixed libftdi
@@ -1,11 +0,0 @@ | ||
1 | -#ifndef FTDI_VERSION_INTERNAL_H | |
2 | -#define FTDI_VERSION_INTERNAL_H | |
3 | - | |
4 | -#define FTDI_MAJOR_VERSION 1 | |
5 | -#define FTDI_MINOR_VERSION 3 | |
6 | -#define FTDI_MICRO_VERSION 0 | |
7 | - | |
8 | -const char FTDI_VERSION_STRING[] = "1.3"; | |
9 | -const char FTDI_SNAPSHOT_VERSION[] = "unknown"; | |
10 | - | |
11 | -#endif |
@@ -1,11 +0,0 @@ | ||
1 | -#ifndef FTDI_VERSION_INTERNAL_H | |
2 | -#define FTDI_VERSION_INTERNAL_H | |
3 | - | |
4 | -#define FTDI_MAJOR_VERSION @MAJOR_VERSION@ | |
5 | -#define FTDI_MINOR_VERSION @MINOR_VERSION@ | |
6 | -#define FTDI_MICRO_VERSION 0 | |
7 | - | |
8 | -const char FTDI_VERSION_STRING[] = "@VERSION_STRING@"; | |
9 | -const char FTDI_SNAPSHOT_VERSION[] = "@SNAPSHOT_VERSION@"; | |
10 | - | |
11 | -#endif |
@@ -1,143 +0,0 @@ | ||
1 | -/*************************************************************************** | |
2 | - ftdi_i.h - description | |
3 | - ------------------- | |
4 | - begin : Don Sep 9 2011 | |
5 | - copyright : (C) 2003-2014 by Intra2net AG and the libftdi developers | |
6 | - email : opensource@intra2net.com | |
7 | - ***************************************************************************/ | |
8 | - | |
9 | -/*************************************************************************** | |
10 | - * * | |
11 | - * This program is free software; you can redistribute it and/or modify * | |
12 | - * it under the terms of the GNU Lesser General Public License * | |
13 | - * version 2.1 as published by the Free Software Foundation; * | |
14 | - * * | |
15 | - *************************************************************************** | |
16 | - | |
17 | - Non public definitions here | |
18 | - | |
19 | -*/ | |
20 | - | |
21 | -/* Even on 93xx66 at max 256 bytes are used (AN_121)*/ | |
22 | -#define FTDI_MAX_EEPROM_SIZE 256 | |
23 | - | |
24 | -/** Max Power adjustment factor. */ | |
25 | -#define MAX_POWER_MILLIAMP_PER_UNIT 2 | |
26 | - | |
27 | -/** | |
28 | - \brief FTDI eeprom structure | |
29 | -*/ | |
30 | -struct ftdi_eeprom | |
31 | -{ | |
32 | - /** vendor id */ | |
33 | - int vendor_id; | |
34 | - /** product id */ | |
35 | - int product_id; | |
36 | - | |
37 | - /** Was the eeprom structure initialized for the actual | |
38 | - connected device? **/ | |
39 | - int initialized_for_connected_device; | |
40 | - | |
41 | - /** self powered */ | |
42 | - int self_powered; | |
43 | - /** remote wakeup */ | |
44 | - int remote_wakeup; | |
45 | - | |
46 | - int is_not_pnp; | |
47 | - | |
48 | - /* Suspend on DBUS7 Low */ | |
49 | - int suspend_dbus7; | |
50 | - | |
51 | - /** input in isochronous transfer mode */ | |
52 | - int in_is_isochronous; | |
53 | - /** output in isochronous transfer mode */ | |
54 | - int out_is_isochronous; | |
55 | - /** suspend pull downs */ | |
56 | - int suspend_pull_downs; | |
57 | - | |
58 | - /** use serial */ | |
59 | - int use_serial; | |
60 | - /** usb version */ | |
61 | - int usb_version; | |
62 | - /** Use usb version on FT2232 devices*/ | |
63 | - int use_usb_version; | |
64 | - /** maximum power */ | |
65 | - int max_power; | |
66 | - | |
67 | - /** manufacturer name */ | |
68 | - char *manufacturer; | |
69 | - /** product name */ | |
70 | - char *product; | |
71 | - /** serial number */ | |
72 | - char *serial; | |
73 | - | |
74 | - /* 2232D/H specific */ | |
75 | - /* Hardware type, 0 = RS232 Uart, 1 = 245 FIFO, 2 = CPU FIFO, | |
76 | - 4 = OPTO Isolate */ | |
77 | - int channel_a_type; | |
78 | - int channel_b_type; | |
79 | - /* Driver Type, 1 = VCP */ | |
80 | - int channel_a_driver; | |
81 | - int channel_b_driver; | |
82 | - int channel_c_driver; | |
83 | - int channel_d_driver; | |
84 | - /* 4232H specific */ | |
85 | - int channel_a_rs485enable; | |
86 | - int channel_b_rs485enable; | |
87 | - int channel_c_rs485enable; | |
88 | - int channel_d_rs485enable; | |
89 | - | |
90 | - /* Special function of FT232R/FT232H devices (and possibly others as well) */ | |
91 | - /** CBUS pin function. See CBUS_xxx defines. */ | |
92 | - int cbus_function[10]; | |
93 | - /** Select hight current drive on R devices. */ | |
94 | - int high_current; | |
95 | - /** Select hight current drive on A channel (2232C */ | |
96 | - int high_current_a; | |
97 | - /** Select hight current drive on B channel (2232C). */ | |
98 | - int high_current_b; | |
99 | - /** Select inversion of data lines (bitmask). */ | |
100 | - int invert; | |
101 | - /** Enable external oscillator. */ | |
102 | - int external_oscillator; | |
103 | - | |
104 | - /*2232H/4432H Group specific values */ | |
105 | - /* Group0 is AL on 2322H and A on 4232H | |
106 | - Group1 is AH on 2232H and B on 4232H | |
107 | - Group2 is BL on 2322H and C on 4232H | |
108 | - Group3 is BH on 2232H and C on 4232H*/ | |
109 | - int group0_drive; | |
110 | - int group0_schmitt; | |
111 | - int group0_slew; | |
112 | - int group1_drive; | |
113 | - int group1_schmitt; | |
114 | - int group1_slew; | |
115 | - int group2_drive; | |
116 | - int group2_schmitt; | |
117 | - int group2_slew; | |
118 | - int group3_drive; | |
119 | - int group3_schmitt; | |
120 | - int group3_slew; | |
121 | - | |
122 | - int powersave; | |
123 | - | |
124 | - int clock_polarity; | |
125 | - int data_order; | |
126 | - int flow_control; | |
127 | - | |
128 | - /** user data **/ | |
129 | - int user_data_addr; | |
130 | - int user_data_size; | |
131 | - const char *user_data; | |
132 | - | |
133 | - /** eeprom size in bytes. This doesn't get stored in the eeprom | |
134 | - but is the only way to pass it to ftdi_eeprom_build. */ | |
135 | - int size; | |
136 | - /* EEPROM Type 0x46 for 93xx46, 0x56 for 93xx56 and 0x66 for 93xx66*/ | |
137 | - int chip; | |
138 | - unsigned char buf[FTDI_MAX_EEPROM_SIZE]; | |
139 | - | |
140 | - /** device release number */ | |
141 | - int release_number; | |
142 | -}; | |
143 | - |
@@ -1,4484 +0,0 @@ | ||
1 | -/*************************************************************************** | |
2 | - ftdi.c - description | |
3 | - ------------------- | |
4 | - begin : Fri Apr 4 2003 | |
5 | - copyright : (C) 2003-2014 by Intra2net AG and the libftdi developers | |
6 | - email : opensource@intra2net.com | |
7 | - ***************************************************************************/ | |
8 | - | |
9 | -/*************************************************************************** | |
10 | - * * | |
11 | - * This program is free software; you can redistribute it and/or modify * | |
12 | - * it under the terms of the GNU Lesser General Public License * | |
13 | - * version 2.1 as published by the Free Software Foundation; * | |
14 | - * * | |
15 | - ***************************************************************************/ | |
16 | - | |
17 | -/** | |
18 | - \mainpage libftdi API documentation | |
19 | - | |
20 | - Library to talk to FTDI chips. You find the latest versions of libftdi at | |
21 | - http://www.intra2net.com/en/developer/libftdi/ | |
22 | - | |
23 | - The library is easy to use. Have a look at this short example: | |
24 | - \include simple.c | |
25 | - | |
26 | - More examples can be found in the "examples" directory. | |
27 | -*/ | |
28 | -/** \addtogroup libftdi */ | |
29 | -/* @{ */ | |
30 | - | |
31 | -#include <libusb.h> | |
32 | -#include <string.h> | |
33 | -#include <errno.h> | |
34 | -#include <stdio.h> | |
35 | -#include <stdlib.h> | |
36 | - | |
37 | -#include "ftdi_i.h" | |
38 | -#include "ftdi.h" | |
39 | -#include "ftdi_version_i.h" | |
40 | - | |
41 | -#define ftdi_error_return(code, str) do { \ | |
42 | - if ( ftdi ) \ | |
43 | - ftdi->error_str = str; \ | |
44 | - else \ | |
45 | - fprintf(stderr, str); \ | |
46 | - return code; \ | |
47 | - } while(0); | |
48 | - | |
49 | -#define ftdi_error_return_free_device_list(code, str, devs) do { \ | |
50 | - libusb_free_device_list(devs,1); \ | |
51 | - ftdi->error_str = str; \ | |
52 | - return code; \ | |
53 | - } while(0); | |
54 | - | |
55 | - | |
56 | -/** | |
57 | - Internal function to close usb device pointer. | |
58 | - Sets ftdi->usb_dev to NULL. | |
59 | - \internal | |
60 | - | |
61 | - \param ftdi pointer to ftdi_context | |
62 | - | |
63 | - \retval none | |
64 | -*/ | |
65 | -static void ftdi_usb_close_internal (struct ftdi_context *ftdi) | |
66 | -{ | |
67 | - if (ftdi && ftdi->usb_dev) | |
68 | - { | |
69 | - libusb_close (ftdi->usb_dev); | |
70 | - ftdi->usb_dev = NULL; | |
71 | - if(ftdi->eeprom) | |
72 | - ftdi->eeprom->initialized_for_connected_device = 0; | |
73 | - } | |
74 | -} | |
75 | - | |
76 | -/** | |
77 | - Initializes a ftdi_context. | |
78 | - | |
79 | - \param ftdi pointer to ftdi_context | |
80 | - | |
81 | - \retval 0: all fine | |
82 | - \retval -1: couldn't allocate read buffer | |
83 | - \retval -2: couldn't allocate struct buffer | |
84 | - \retval -3: libusb_init() failed | |
85 | - | |
86 | - \remark This should be called before all functions | |
87 | -*/ | |
88 | -int ftdi_init(struct ftdi_context *ftdi) | |
89 | -{ | |
90 | - struct ftdi_eeprom* eeprom = (struct ftdi_eeprom *)malloc(sizeof(struct ftdi_eeprom)); | |
91 | - ftdi->usb_ctx = NULL; | |
92 | - ftdi->usb_dev = NULL; | |
93 | - ftdi->usb_read_timeout = 5000; | |
94 | - ftdi->usb_write_timeout = 5000; | |
95 | - | |
96 | - ftdi->type = TYPE_BM; /* chip type */ | |
97 | - ftdi->baudrate = -1; | |
98 | - ftdi->bitbang_enabled = 0; /* 0: normal mode 1: any of the bitbang modes enabled */ | |
99 | - | |
100 | - ftdi->readbuffer = NULL; | |
101 | - ftdi->readbuffer_offset = 0; | |
102 | - ftdi->readbuffer_remaining = 0; | |
103 | - ftdi->writebuffer_chunksize = 4096; | |
104 | - ftdi->max_packet_size = 0; | |
105 | - ftdi->error_str = NULL; | |
106 | - ftdi->module_detach_mode = AUTO_DETACH_SIO_MODULE; | |
107 | - | |
108 | - if (libusb_init(&ftdi->usb_ctx) < 0) | |
109 | - ftdi_error_return(-3, "libusb_init() failed"); | |
110 | - | |
111 | - ftdi_set_interface(ftdi, INTERFACE_ANY); | |
112 | - ftdi->bitbang_mode = 1; /* when bitbang is enabled this holds the number of the mode */ | |
113 | - | |
114 | - if (eeprom == 0) | |
115 | - ftdi_error_return(-2, "Can't malloc struct ftdi_eeprom"); | |
116 | - memset(eeprom, 0, sizeof(struct ftdi_eeprom)); | |
117 | - ftdi->eeprom = eeprom; | |
118 | - | |
119 | - /* All fine. Now allocate the readbuffer */ | |
120 | - return ftdi_read_data_set_chunksize(ftdi, 4096); | |
121 | -} | |
122 | - | |
123 | -/** | |
124 | - Allocate and initialize a new ftdi_context | |
125 | - | |
126 | - \return a pointer to a new ftdi_context, or NULL on failure | |
127 | -*/ | |
128 | -struct ftdi_context *ftdi_new(void) | |
129 | -{ | |
130 | - struct ftdi_context * ftdi = (struct ftdi_context *)malloc(sizeof(struct ftdi_context)); | |
131 | - | |
132 | - if (ftdi == NULL) | |
133 | - { | |
134 | - return NULL; | |
135 | - } | |
136 | - | |
137 | - if (ftdi_init(ftdi) != 0) | |
138 | - { | |
139 | - free(ftdi); | |
140 | - return NULL; | |
141 | - } | |
142 | - | |
143 | - return ftdi; | |
144 | -} | |
145 | - | |
146 | -/** | |
147 | - Open selected channels on a chip, otherwise use first channel. | |
148 | - | |
149 | - \param ftdi pointer to ftdi_context | |
150 | - \param interface Interface to use for FT2232C/2232H/4232H chips. | |
151 | - | |
152 | - \retval 0: all fine | |
153 | - \retval -1: unknown interface | |
154 | - \retval -2: USB device unavailable | |
155 | - \retval -3: Device already open, interface can't be set in that state | |
156 | -*/ | |
157 | -int ftdi_set_interface(struct ftdi_context *ftdi, enum ftdi_interface interface) | |
158 | -{ | |
159 | - if (ftdi == NULL) | |
160 | - ftdi_error_return(-2, "USB device unavailable"); | |
161 | - | |
162 | - if (ftdi->usb_dev != NULL) | |
163 | - { | |
164 | - int check_interface = interface; | |
165 | - if (check_interface == INTERFACE_ANY) | |
166 | - check_interface = INTERFACE_A; | |
167 | - | |
168 | - if (ftdi->index != check_interface) | |
169 | - ftdi_error_return(-3, "Interface can not be changed on an already open device"); | |
170 | - } | |
171 | - | |
172 | - switch (interface) | |
173 | - { | |
174 | - case INTERFACE_ANY: | |
175 | - case INTERFACE_A: | |
176 | - ftdi->interface = 0; | |
177 | - ftdi->index = INTERFACE_A; | |
178 | - ftdi->in_ep = 0x02; | |
179 | - ftdi->out_ep = 0x81; | |
180 | - break; | |
181 | - case INTERFACE_B: | |
182 | - ftdi->interface = 1; | |
183 | - ftdi->index = INTERFACE_B; | |
184 | - ftdi->in_ep = 0x04; | |
185 | - ftdi->out_ep = 0x83; | |
186 | - break; | |
187 | - case INTERFACE_C: | |
188 | - ftdi->interface = 2; | |
189 | - ftdi->index = INTERFACE_C; | |
190 | - ftdi->in_ep = 0x06; | |
191 | - ftdi->out_ep = 0x85; | |
192 | - break; | |
193 | - case INTERFACE_D: | |
194 | - ftdi->interface = 3; | |
195 | - ftdi->index = INTERFACE_D; | |
196 | - ftdi->in_ep = 0x08; | |
197 | - ftdi->out_ep = 0x87; | |
198 | - break; | |
199 | - default: | |
200 | - ftdi_error_return(-1, "Unknown interface"); | |
201 | - } | |
202 | - return 0; | |
203 | -} | |
204 | - | |
205 | -/** | |
206 | - Deinitializes a ftdi_context. | |
207 | - | |
208 | - \param ftdi pointer to ftdi_context | |
209 | -*/ | |
210 | -void ftdi_deinit(struct ftdi_context *ftdi) | |
211 | -{ | |
212 | - if (ftdi == NULL) | |
213 | - return; | |
214 | - | |
215 | - ftdi_usb_close_internal (ftdi); | |
216 | - | |
217 | - if (ftdi->readbuffer != NULL) | |
218 | - { | |
219 | - free(ftdi->readbuffer); | |
220 | - ftdi->readbuffer = NULL; | |
221 | - } | |
222 | - | |
223 | - if (ftdi->eeprom != NULL) | |
224 | - { | |
225 | - if (ftdi->eeprom->manufacturer != 0) | |
226 | - { | |
227 | - free(ftdi->eeprom->manufacturer); | |
228 | - ftdi->eeprom->manufacturer = 0; | |
229 | - } | |
230 | - if (ftdi->eeprom->product != 0) | |
231 | - { | |
232 | - free(ftdi->eeprom->product); | |
233 | - ftdi->eeprom->product = 0; | |
234 | - } | |
235 | - if (ftdi->eeprom->serial != 0) | |
236 | - { | |
237 | - free(ftdi->eeprom->serial); | |
238 | - ftdi->eeprom->serial = 0; | |
239 | - } | |
240 | - free(ftdi->eeprom); | |
241 | - ftdi->eeprom = NULL; | |
242 | - } | |
243 | - | |
244 | - if (ftdi->usb_ctx) | |
245 | - { | |
246 | - libusb_exit(ftdi->usb_ctx); | |
247 | - ftdi->usb_ctx = NULL; | |
248 | - } | |
249 | -} | |
250 | - | |
251 | -/** | |
252 | - Deinitialize and free an ftdi_context. | |
253 | - | |
254 | - \param ftdi pointer to ftdi_context | |
255 | -*/ | |
256 | -void ftdi_free(struct ftdi_context *ftdi) | |
257 | -{ | |
258 | - ftdi_deinit(ftdi); | |
259 | - free(ftdi); | |
260 | -} | |
261 | - | |
262 | -/** | |
263 | - Use an already open libusb device. | |
264 | - | |
265 | - \param ftdi pointer to ftdi_context | |
266 | - \param usb libusb libusb_device_handle to use | |
267 | -*/ | |
268 | -void ftdi_set_usbdev (struct ftdi_context *ftdi, libusb_device_handle *usb) | |
269 | -{ | |
270 | - if (ftdi == NULL) | |
271 | - return; | |
272 | - | |
273 | - ftdi->usb_dev = usb; | |
274 | -} | |
275 | - | |
276 | -/** | |
277 | - * @brief Get libftdi library version | |
278 | - * | |
279 | - * @return ftdi_version_info Library version information | |
280 | - **/ | |
281 | -struct ftdi_version_info ftdi_get_library_version(void) | |
282 | -{ | |
283 | - struct ftdi_version_info ver; | |
284 | - | |
285 | - ver.major = FTDI_MAJOR_VERSION; | |
286 | - ver.minor = FTDI_MINOR_VERSION; | |
287 | - ver.micro = FTDI_MICRO_VERSION; | |
288 | - ver.version_str = FTDI_VERSION_STRING; | |
289 | - ver.snapshot_str = FTDI_SNAPSHOT_VERSION; | |
290 | - | |
291 | - return ver; | |
292 | -} | |
293 | - | |
294 | -/** | |
295 | - Finds all ftdi devices with given VID:PID on the usb bus. Creates a new | |
296 | - ftdi_device_list which needs to be deallocated by ftdi_list_free() after | |
297 | - use. With VID:PID 0:0, search for the default devices | |
298 | - (0x403:0x6001, 0x403:0x6010, 0x403:0x6011, 0x403:0x6014, 0x403:0x6015) | |
299 | - | |
300 | - \param ftdi pointer to ftdi_context | |
301 | - \param devlist Pointer where to store list of found devices | |
302 | - \param vendor Vendor ID to search for | |
303 | - \param product Product ID to search for | |
304 | - | |
305 | - \retval >0: number of devices found | |
306 | - \retval -3: out of memory | |
307 | - \retval -5: libusb_get_device_list() failed | |
308 | - \retval -6: libusb_get_device_descriptor() failed | |
309 | -*/ | |
310 | -int ftdi_usb_find_all(struct ftdi_context *ftdi, struct ftdi_device_list **devlist, int vendor, int product) | |
311 | -{ | |
312 | - struct ftdi_device_list **curdev; | |
313 | - libusb_device *dev; | |
314 | - libusb_device **devs; | |
315 | - int count = 0; | |
316 | - int i = 0; | |
317 | - | |
318 | - if (libusb_get_device_list(ftdi->usb_ctx, &devs) < 0) | |
319 | - ftdi_error_return(-5, "libusb_get_device_list() failed"); | |
320 | - | |
321 | - curdev = devlist; | |
322 | - *curdev = NULL; | |
323 | - | |
324 | - while ((dev = devs[i++]) != NULL) | |
325 | - { | |
326 | - struct libusb_device_descriptor desc; | |
327 | - | |
328 | - if (libusb_get_device_descriptor(dev, &desc) < 0) | |
329 | - ftdi_error_return_free_device_list(-6, "libusb_get_device_descriptor() failed", devs); | |
330 | - | |
331 | - if (((vendor || product) && | |
332 | - desc.idVendor == vendor && desc.idProduct == product) || | |
333 | - (!(vendor || product) && | |
334 | - (desc.idVendor == 0x403) && (desc.idProduct == 0x6001 || desc.idProduct == 0x6010 | |
335 | - || desc.idProduct == 0x6011 || desc.idProduct == 0x6014 | |
336 | - || desc.idProduct == 0x6015))) | |
337 | - { | |
338 | - *curdev = (struct ftdi_device_list*)malloc(sizeof(struct ftdi_device_list)); | |
339 | - if (!*curdev) | |
340 | - ftdi_error_return_free_device_list(-3, "out of memory", devs); | |
341 | - | |
342 | - (*curdev)->next = NULL; | |
343 | - (*curdev)->dev = dev; | |
344 | - libusb_ref_device(dev); | |
345 | - curdev = &(*curdev)->next; | |
346 | - count++; | |
347 | - } | |
348 | - } | |
349 | - libusb_free_device_list(devs,1); | |
350 | - return count; | |
351 | -} | |
352 | - | |
353 | -/** | |
354 | - Frees a usb device list. | |
355 | - | |
356 | - \param devlist USB device list created by ftdi_usb_find_all() | |
357 | -*/ | |
358 | -void ftdi_list_free(struct ftdi_device_list **devlist) | |
359 | -{ | |
360 | - struct ftdi_device_list *curdev, *next; | |
361 | - | |
362 | - for (curdev = *devlist; curdev != NULL;) | |
363 | - { | |
364 | - next = curdev->next; | |
365 | - libusb_unref_device(curdev->dev); | |
366 | - free(curdev); | |
367 | - curdev = next; | |
368 | - } | |
369 | - | |
370 | - *devlist = NULL; | |
371 | -} | |
372 | - | |
373 | -/** | |
374 | - Frees a usb device list. | |
375 | - | |
376 | - \param devlist USB device list created by ftdi_usb_find_all() | |
377 | -*/ | |
378 | -void ftdi_list_free2(struct ftdi_device_list *devlist) | |
379 | -{ | |
380 | - ftdi_list_free(&devlist); | |
381 | -} | |
382 | - | |
383 | -/** | |
384 | - Return device ID strings from the usb device. | |
385 | - | |
386 | - The parameters manufacturer, description and serial may be NULL | |
387 | - or pointer to buffers to store the fetched strings. | |
388 | - | |
389 | - \note Use this function only in combination with ftdi_usb_find_all() | |
390 | - as it closes the internal "usb_dev" after use. | |
391 | - | |
392 | - \param ftdi pointer to ftdi_context | |
393 | - \param dev libusb usb_dev to use | |
394 | - \param manufacturer Store manufacturer string here if not NULL | |
395 | - \param mnf_len Buffer size of manufacturer string | |
396 | - \param description Store product description string here if not NULL | |
397 | - \param desc_len Buffer size of product description string | |
398 | - \param serial Store serial string here if not NULL | |
399 | - \param serial_len Buffer size of serial string | |
400 | - | |
401 | - \retval 0: all fine | |
402 | - \retval -1: wrong arguments | |
403 | - \retval -4: unable to open device | |
404 | - \retval -7: get product manufacturer failed | |
405 | - \retval -8: get product description failed | |
406 | - \retval -9: get serial number failed | |
407 | - \retval -11: libusb_get_device_descriptor() failed | |
408 | -*/ | |
409 | -int ftdi_usb_get_strings(struct ftdi_context *ftdi, | |
410 | - struct libusb_device *dev, | |
411 | - char *manufacturer, int mnf_len, | |
412 | - char *description, int desc_len, | |
413 | - char *serial, int serial_len) | |
414 | -{ | |
415 | - int ret; | |
416 | - | |
417 | - if ((ftdi==NULL) || (dev==NULL)) | |
418 | - return -1; | |
419 | - | |
420 | - if (ftdi->usb_dev == NULL && libusb_open(dev, &ftdi->usb_dev) < 0) | |
421 | - ftdi_error_return(-4, "libusb_open() failed"); | |
422 | - | |
423 | - // ftdi->usb_dev will not be NULL when entering ftdi_usb_get_strings2(), so | |
424 | - // it won't be closed either. This allows us to close it whether we actually | |
425 | - // called libusb_open() up above or not. This matches the expected behavior | |
426 | - // (and note) for ftdi_usb_get_strings(). | |
427 | - ret = ftdi_usb_get_strings2(ftdi, dev, | |
428 | - manufacturer, mnf_len, | |
429 | - description, desc_len, | |
430 | - serial, serial_len); | |
431 | - | |
432 | - // only close it if it was successful, as all other return codes close | |
433 | - // before returning already. | |
434 | - if (ret == 0) | |
435 | - ftdi_usb_close_internal(ftdi); | |
436 | - | |
437 | - return ret; | |
438 | -} | |
439 | - | |
440 | -/** | |
441 | - Return device ID strings from the usb device. | |
442 | - | |
443 | - The parameters manufacturer, description and serial may be NULL | |
444 | - or pointer to buffers to store the fetched strings. | |
445 | - | |
446 | - \note The old function ftdi_usb_get_strings() always closes the device. | |
447 | - This version only closes the device if it was opened by it. | |
448 | - | |
449 | - \param ftdi pointer to ftdi_context | |
450 | - \param dev libusb usb_dev to use | |
451 | - \param manufacturer Store manufacturer string here if not NULL | |
452 | - \param mnf_len Buffer size of manufacturer string | |
453 | - \param description Store product description string here if not NULL | |
454 | - \param desc_len Buffer size of product description string | |
455 | - \param serial Store serial string here if not NULL | |
456 | - \param serial_len Buffer size of serial string | |
457 | - | |
458 | - \retval 0: all fine | |
459 | - \retval -1: wrong arguments | |
460 | - \retval -4: unable to open device | |
461 | - \retval -7: get product manufacturer failed | |
462 | - \retval -8: get product description failed | |
463 | - \retval -9: get serial number failed | |
464 | - \retval -11: libusb_get_device_descriptor() failed | |
465 | -*/ | |
466 | -int ftdi_usb_get_strings2(struct ftdi_context *ftdi, struct libusb_device *dev, | |
467 | - char *manufacturer, int mnf_len, | |
468 | - char *description, int desc_len, | |
469 | - char *serial, int serial_len) | |
470 | -{ | |
471 | - struct libusb_device_descriptor desc; | |
472 | - | |
473 | - if ((ftdi==NULL) || (dev==NULL)) | |
474 | - return -1; | |
475 | - | |
476 | - char need_open = (ftdi->usb_dev == NULL); | |
477 | - if (need_open && libusb_open(dev, &ftdi->usb_dev) < 0) | |
478 | - ftdi_error_return(-4, "libusb_open() failed"); | |
479 | - | |
480 | - if (libusb_get_device_descriptor(dev, &desc) < 0) | |
481 | - ftdi_error_return(-11, "libusb_get_device_descriptor() failed"); | |
482 | - | |
483 | - if (manufacturer != NULL) | |
484 | - { | |
485 | - if (libusb_get_string_descriptor_ascii(ftdi->usb_dev, desc.iManufacturer, (unsigned char *)manufacturer, mnf_len) < 0) | |
486 | - { | |
487 | - ftdi_usb_close_internal (ftdi); | |
488 | - ftdi_error_return(-7, "libusb_get_string_descriptor_ascii() failed"); | |
489 | - } | |
490 | - } | |
491 | - | |
492 | - if (description != NULL) | |
493 | - { | |
494 | - if (libusb_get_string_descriptor_ascii(ftdi->usb_dev, desc.iProduct, (unsigned char *)description, desc_len) < 0) | |
495 | - { | |
496 | - ftdi_usb_close_internal (ftdi); | |
497 | - ftdi_error_return(-8, "libusb_get_string_descriptor_ascii() failed"); | |
498 | - } | |
499 | - } | |
500 | - | |
501 | - if (serial != NULL) | |
502 | - { | |
503 | - if (libusb_get_string_descriptor_ascii(ftdi->usb_dev, desc.iSerialNumber, (unsigned char *)serial, serial_len) < 0) | |
504 | - { | |
505 | - ftdi_usb_close_internal (ftdi); | |
506 | - ftdi_error_return(-9, "libusb_get_string_descriptor_ascii() failed"); | |
507 | - } | |
508 | - } | |
509 | - | |
510 | - if (need_open) | |
511 | - ftdi_usb_close_internal (ftdi); | |
512 | - | |
513 | - return 0; | |
514 | -} | |
515 | - | |
516 | -/** | |
517 | - * Internal function to determine the maximum packet size. | |
518 | - * \param ftdi pointer to ftdi_context | |
519 | - * \param dev libusb usb_dev to use | |
520 | - * \retval Maximum packet size for this device | |
521 | - */ | |
522 | -static unsigned int _ftdi_determine_max_packet_size(struct ftdi_context *ftdi, libusb_device *dev) | |
523 | -{ | |
524 | - struct libusb_device_descriptor desc; | |
525 | - struct libusb_config_descriptor *config0; | |
526 | - unsigned int packet_size; | |
527 | - | |
528 | - // Sanity check | |
529 | - if (ftdi == NULL || dev == NULL) | |
530 | - return 64; | |
531 | - | |
532 | - // Determine maximum packet size. Init with default value. | |
533 | - // New hi-speed devices from FTDI use a packet size of 512 bytes | |
534 | - // but could be connected to a normal speed USB hub -> 64 bytes packet size. | |
535 | - if (ftdi->type == TYPE_2232H || ftdi->type == TYPE_4232H || ftdi->type == TYPE_232H) | |
536 | - packet_size = 512; | |
537 | - else | |
538 | - packet_size = 64; | |
539 | - | |
540 | - if (libusb_get_device_descriptor(dev, &desc) < 0) | |
541 | - return packet_size; | |
542 | - | |
543 | - if (libusb_get_config_descriptor(dev, 0, &config0) < 0) | |
544 | - return packet_size; | |
545 | - | |
546 | - if (desc.bNumConfigurations > 0) | |
547 | - { | |
548 | - if (ftdi->interface < config0->bNumInterfaces) | |
549 | - { | |
550 | - struct libusb_interface interface = config0->interface[ftdi->interface]; | |
551 | - if (interface.num_altsetting > 0) | |
552 | - { | |
553 | - struct libusb_interface_descriptor descriptor = interface.altsetting[0]; | |
554 | - if (descriptor.bNumEndpoints > 0) | |
555 | - { | |
556 | - packet_size = descriptor.endpoint[0].wMaxPacketSize; | |
557 | - } | |
558 | - } | |
559 | - } | |
560 | - } | |
561 | - | |
562 | - libusb_free_config_descriptor (config0); | |
563 | - return packet_size; | |
564 | -} | |
565 | - | |
566 | -/** | |
567 | - Opens a ftdi device given by an usb_device. | |
568 | - | |
569 | - \param ftdi pointer to ftdi_context | |
570 | - \param dev libusb usb_dev to use | |
571 | - | |
572 | - \retval 0: all fine | |
573 | - \retval -3: unable to config device | |
574 | - \retval -4: unable to open device | |
575 | - \retval -5: unable to claim device | |
576 | - \retval -6: reset failed | |
577 | - \retval -7: set baudrate failed | |
578 | - \retval -8: ftdi context invalid | |
579 | - \retval -9: libusb_get_device_descriptor() failed | |
580 | - \retval -10: libusb_get_config_descriptor() failed | |
581 | - \retval -11: libusb_detach_kernel_driver() failed | |
582 | - \retval -12: libusb_get_configuration() failed | |
583 | -*/ | |
584 | -int ftdi_usb_open_dev(struct ftdi_context *ftdi, libusb_device *dev) | |
585 | -{ | |
586 | - struct libusb_device_descriptor desc; | |
587 | - struct libusb_config_descriptor *config0; | |
588 | - int cfg, cfg0, detach_errno = 0; | |
589 | - | |
590 | - if (ftdi == NULL) | |
591 | - ftdi_error_return(-8, "ftdi context invalid"); | |
592 | - | |
593 | - if (libusb_open(dev, &ftdi->usb_dev) < 0) | |
594 | - ftdi_error_return(-4, "libusb_open() failed"); | |
595 | - | |
596 | - if (libusb_get_device_descriptor(dev, &desc) < 0) | |
597 | - ftdi_error_return(-9, "libusb_get_device_descriptor() failed"); | |
598 | - | |
599 | - if (libusb_get_config_descriptor(dev, 0, &config0) < 0) | |
600 | - ftdi_error_return(-10, "libusb_get_config_descriptor() failed"); | |
601 | - cfg0 = config0->bConfigurationValue; | |
602 | - libusb_free_config_descriptor (config0); | |
603 | - | |
604 | - // Try to detach ftdi_sio kernel module. | |
605 | - // | |
606 | - // The return code is kept in a separate variable and only parsed | |
607 | - // if usb_set_configuration() or usb_claim_interface() fails as the | |
608 | - // detach operation might be denied and everything still works fine. | |
609 | - // Likely scenario is a static ftdi_sio kernel module. | |
610 | - if (ftdi->module_detach_mode == AUTO_DETACH_SIO_MODULE) | |
611 | - { | |
612 | - if (libusb_detach_kernel_driver(ftdi->usb_dev, ftdi->interface) !=0) | |
613 | - detach_errno = errno; | |
614 | - } | |
615 | - | |
616 | - if (libusb_get_configuration (ftdi->usb_dev, &cfg) < 0) | |
617 | - ftdi_error_return(-12, "libusb_get_configuration () failed"); | |
618 | - // set configuration (needed especially for windows) | |
619 | - // tolerate EBUSY: one device with one configuration, but two interfaces | |
620 | - // and libftdi sessions to both interfaces (e.g. FT2232) | |
621 | - if (desc.bNumConfigurations > 0 && cfg != cfg0) | |
622 | - { | |
623 | - if (libusb_set_configuration(ftdi->usb_dev, cfg0) < 0) | |
624 | - { | |
625 | - ftdi_usb_close_internal (ftdi); | |
626 | - if (detach_errno == EPERM) | |
627 | - { | |
628 | - ftdi_error_return(-8, "inappropriate permissions on device!"); | |
629 | - } | |
630 | - else | |
631 | - { | |
632 | - ftdi_error_return(-3, "unable to set usb configuration. Make sure the default FTDI driver is not in use"); | |
633 | - } | |
634 | - } | |
635 | - } | |
636 | - | |
637 | - if (libusb_claim_interface(ftdi->usb_dev, ftdi->interface) < 0) | |
638 | - { | |
639 | - ftdi_usb_close_internal (ftdi); | |
640 | - if (detach_errno == EPERM) | |
641 | - { | |
642 | - ftdi_error_return(-8, "inappropriate permissions on device!"); | |
643 | - } | |
644 | - else | |
645 | - { | |
646 | - ftdi_error_return(-5, "unable to claim usb device. Make sure the default FTDI driver is not in use"); | |
647 | - } | |
648 | - } | |
649 | - | |
650 | - if (ftdi_usb_reset (ftdi) != 0) | |
651 | - { | |
652 | - ftdi_usb_close_internal (ftdi); | |
653 | - ftdi_error_return(-6, "ftdi_usb_reset failed"); | |
654 | - } | |
655 | - | |
656 | - // Try to guess chip type | |
657 | - // Bug in the BM type chips: bcdDevice is 0x200 for serial == 0 | |
658 | - if (desc.bcdDevice == 0x400 || (desc.bcdDevice == 0x200 | |
659 | - && desc.iSerialNumber == 0)) | |
660 | - ftdi->type = TYPE_BM; | |
661 | - else if (desc.bcdDevice == 0x200) | |
662 | - ftdi->type = TYPE_AM; | |
663 | - else if (desc.bcdDevice == 0x500) | |
664 | - ftdi->type = TYPE_2232C; | |
665 | - else if (desc.bcdDevice == 0x600) | |
666 | - ftdi->type = TYPE_R; | |
667 | - else if (desc.bcdDevice == 0x700) | |
668 | - ftdi->type = TYPE_2232H; | |
669 | - else if (desc.bcdDevice == 0x800) | |
670 | - ftdi->type = TYPE_4232H; | |
671 | - else if (desc.bcdDevice == 0x900) | |
672 | - ftdi->type = TYPE_232H; | |
673 | - else if (desc.bcdDevice == 0x1000) | |
674 | - ftdi->type = TYPE_230X; | |
675 | - | |
676 | - // Determine maximum packet size | |
677 | - ftdi->max_packet_size = _ftdi_determine_max_packet_size(ftdi, dev); | |
678 | - | |
679 | - if (ftdi_set_baudrate (ftdi, 9600) != 0) | |
680 | - { | |
681 | - ftdi_usb_close_internal (ftdi); | |
682 | - ftdi_error_return(-7, "set baudrate failed"); | |
683 | - } | |
684 | - | |
685 | - ftdi_error_return(0, "all fine"); | |
686 | -} | |
687 | - | |
688 | -/** | |
689 | - Opens the first device with a given vendor and product ids. | |
690 | - | |
691 | - \param ftdi pointer to ftdi_context | |
692 | - \param vendor Vendor ID | |
693 | - \param product Product ID | |
694 | - | |
695 | - \retval same as ftdi_usb_open_desc() | |
696 | -*/ | |
697 | -int ftdi_usb_open(struct ftdi_context *ftdi, int vendor, int product) | |
698 | -{ | |
699 | - return ftdi_usb_open_desc(ftdi, vendor, product, NULL, NULL); | |
700 | -} | |
701 | - | |
702 | -/** | |
703 | - Opens the first device with a given, vendor id, product id, | |
704 | - description and serial. | |
705 | - | |
706 | - \param ftdi pointer to ftdi_context | |
707 | - \param vendor Vendor ID | |
708 | - \param product Product ID | |
709 | - \param description Description to search for. Use NULL if not needed. | |
710 | - \param serial Serial to search for. Use NULL if not needed. | |
711 | - | |
712 | - \retval 0: all fine | |
713 | - \retval -3: usb device not found | |
714 | - \retval -4: unable to open device | |
715 | - \retval -5: unable to claim device | |
716 | - \retval -6: reset failed | |
717 | - \retval -7: set baudrate failed | |
718 | - \retval -8: get product description failed | |
719 | - \retval -9: get serial number failed | |
720 | - \retval -12: libusb_get_device_list() failed | |
721 | - \retval -13: libusb_get_device_descriptor() failed | |
722 | -*/ | |
723 | -int ftdi_usb_open_desc(struct ftdi_context *ftdi, int vendor, int product, | |
724 | - const char* description, const char* serial) | |
725 | -{ | |
726 | - return ftdi_usb_open_desc_index(ftdi,vendor,product,description,serial,0); | |
727 | -} | |
728 | - | |
729 | -/** | |
730 | - Opens the index-th device with a given, vendor id, product id, | |
731 | - description and serial. | |
732 | - | |
733 | - \param ftdi pointer to ftdi_context | |
734 | - \param vendor Vendor ID | |
735 | - \param product Product ID | |
736 | - \param description Description to search for. Use NULL if not needed. | |
737 | - \param serial Serial to search for. Use NULL if not needed. | |
738 | - \param index Number of matching device to open if there are more than one, starts with 0. | |
739 | - | |
740 | - \retval 0: all fine | |
741 | - \retval -1: usb_find_busses() failed | |
742 | - \retval -2: usb_find_devices() failed | |
743 | - \retval -3: usb device not found | |
744 | - \retval -4: unable to open device | |
745 | - \retval -5: unable to claim device | |
746 | - \retval -6: reset failed | |
747 | - \retval -7: set baudrate failed | |
748 | - \retval -8: get product description failed | |
749 | - \retval -9: get serial number failed | |
750 | - \retval -10: unable to close device | |
751 | - \retval -11: ftdi context invalid | |
752 | -*/ | |
753 | -int ftdi_usb_open_desc_index(struct ftdi_context *ftdi, int vendor, int product, | |
754 | - const char* description, const char* serial, unsigned int index) | |
755 | -{ | |
756 | - libusb_device *dev; | |
757 | - libusb_device **devs; | |
758 | - char string[256]; | |
759 | - int i = 0; | |
760 | - | |
761 | - if (ftdi == NULL) | |
762 | - ftdi_error_return(-11, "ftdi context invalid"); | |
763 | - | |
764 | - if (libusb_get_device_list(ftdi->usb_ctx, &devs) < 0) | |
765 | - ftdi_error_return(-12, "libusb_get_device_list() failed"); | |
766 | - | |
767 | - while ((dev = devs[i++]) != NULL) | |
768 | - { | |
769 | - struct libusb_device_descriptor desc; | |
770 | - int res; | |
771 | - | |
772 | - if (libusb_get_device_descriptor(dev, &desc) < 0) | |
773 | - ftdi_error_return_free_device_list(-13, "libusb_get_device_descriptor() failed", devs); | |
774 | - | |
775 | - if (desc.idVendor == vendor && desc.idProduct == product) | |
776 | - { | |
777 | - if (libusb_open(dev, &ftdi->usb_dev) < 0) | |
778 | - ftdi_error_return_free_device_list(-4, "usb_open() failed", devs); | |
779 | - | |
780 | - if (description != NULL) | |
781 | - { | |
782 | - if (libusb_get_string_descriptor_ascii(ftdi->usb_dev, desc.iProduct, (unsigned char *)string, sizeof(string)) < 0) | |
783 | - { | |
784 | - ftdi_usb_close_internal (ftdi); | |
785 | - ftdi_error_return_free_device_list(-8, "unable to fetch product description", devs); | |
786 | - } | |
787 | - if (strncmp(string, description, sizeof(string)) != 0) | |
788 | - { | |
789 | - ftdi_usb_close_internal (ftdi); | |
790 | - continue; | |
791 | - } | |
792 | - } | |
793 | - if (serial != NULL) | |
794 | - { | |
795 | - if (libusb_get_string_descriptor_ascii(ftdi->usb_dev, desc.iSerialNumber, (unsigned char *)string, sizeof(string)) < 0) | |
796 | - { | |
797 | - ftdi_usb_close_internal (ftdi); | |
798 | - ftdi_error_return_free_device_list(-9, "unable to fetch serial number", devs); | |
799 | - } | |
800 | - if (strncmp(string, serial, sizeof(string)) != 0) | |
801 | - { | |
802 | - ftdi_usb_close_internal (ftdi); | |
803 | - continue; | |
804 | - } | |
805 | - } | |
806 | - | |
807 | - ftdi_usb_close_internal (ftdi); | |
808 | - | |
809 | - if (index > 0) | |
810 | - { | |
811 | - index--; | |
812 | - continue; | |
813 | - } | |
814 | - | |
815 | - res = ftdi_usb_open_dev(ftdi, dev); | |
816 | - libusb_free_device_list(devs,1); | |
817 | - return res; | |
818 | - } | |
819 | - } | |
820 | - | |
821 | - // device not found | |
822 | - ftdi_error_return_free_device_list(-3, "device not found", devs); | |
823 | -} | |
824 | - | |
825 | -/** | |
826 | - Opens the ftdi-device described by a description-string. | |
827 | - Intended to be used for parsing a device-description given as commandline argument. | |
828 | - | |
829 | - \param ftdi pointer to ftdi_context | |
830 | - \param description NULL-terminated description-string, using this format: | |
831 | - \li <tt>d:\<devicenode></tt> path of bus and device-node (e.g. "003/001") within usb device tree (usually at /proc/bus/usb/) | |
832 | - \li <tt>i:\<vendor>:\<product></tt> first device with given vendor and product id, ids can be decimal, octal (preceded by "0") or hex (preceded by "0x") | |
833 | - \li <tt>i:\<vendor>:\<product>:\<index></tt> as above with index being the number of the device (starting with 0) if there are more than one | |
834 | - \li <tt>s:\<vendor>:\<product>:\<serial></tt> first device with given vendor id, product id and serial string | |
835 | - | |
836 | - \note The description format may be extended in later versions. | |
837 | - | |
838 | - \retval 0: all fine | |
839 | - \retval -2: libusb_get_device_list() failed | |
840 | - \retval -3: usb device not found | |
841 | - \retval -4: unable to open device | |
842 | - \retval -5: unable to claim device | |
843 | - \retval -6: reset failed | |
844 | - \retval -7: set baudrate failed | |
845 | - \retval -8: get product description failed | |
846 | - \retval -9: get serial number failed | |
847 | - \retval -10: unable to close device | |
848 | - \retval -11: illegal description format | |
849 | - \retval -12: ftdi context invalid | |
850 | -*/ | |
851 | -int ftdi_usb_open_string(struct ftdi_context *ftdi, const char* description) | |
852 | -{ | |
853 | - if (ftdi == NULL) | |
854 | - ftdi_error_return(-12, "ftdi context invalid"); | |
855 | - | |
856 | - if (description[0] == 0 || description[1] != ':') | |
857 | - ftdi_error_return(-11, "illegal description format"); | |
858 | - | |
859 | - if (description[0] == 'd') | |
860 | - { | |
861 | - libusb_device *dev; | |
862 | - libusb_device **devs; | |
863 | - unsigned int bus_number, device_address; | |
864 | - int i = 0; | |
865 | - | |
866 | - if (libusb_get_device_list(ftdi->usb_ctx, &devs) < 0) | |
867 | - ftdi_error_return(-2, "libusb_get_device_list() failed"); | |
868 | - | |
869 | - /* XXX: This doesn't handle symlinks/odd paths/etc... */ | |
870 | - if (sscanf (description + 2, "%u/%u", &bus_number, &device_address) != 2) | |
871 | - ftdi_error_return_free_device_list(-11, "illegal description format", devs); | |
872 | - | |
873 | - while ((dev = devs[i++]) != NULL) | |
874 | - { | |
875 | - int ret; | |
876 | - if (bus_number == libusb_get_bus_number (dev) | |
877 | - && device_address == libusb_get_device_address (dev)) | |
878 | - { | |
879 | - ret = ftdi_usb_open_dev(ftdi, dev); | |
880 | - libusb_free_device_list(devs,1); | |
881 | - return ret; | |
882 | - } | |
883 | - } | |
884 | - | |
885 | - // device not found | |
886 | - ftdi_error_return_free_device_list(-3, "device not found", devs); | |
887 | - } | |
888 | - else if (description[0] == 'i' || description[0] == 's') | |
889 | - { | |
890 | - unsigned int vendor; | |
891 | - unsigned int product; | |
892 | - unsigned int index=0; | |
893 | - const char *serial=NULL; | |
894 | - const char *startp, *endp; | |
895 | - | |
896 | - errno=0; | |
897 | - startp=description+2; | |
898 | - vendor=strtoul((char*)startp,(char**)&endp,0); | |
899 | - if (*endp != ':' || endp == startp || errno != 0) | |
900 | - ftdi_error_return(-11, "illegal description format"); | |
901 | - | |
902 | - startp=endp+1; | |
903 | - product=strtoul((char*)startp,(char**)&endp,0); | |
904 | - if (endp == startp || errno != 0) | |
905 | - ftdi_error_return(-11, "illegal description format"); | |
906 | - | |
907 | - if (description[0] == 'i' && *endp != 0) | |
908 | - { | |
909 | - /* optional index field in i-mode */ | |
910 | - if (*endp != ':') | |
911 | - ftdi_error_return(-11, "illegal description format"); | |
912 | - | |
913 | - startp=endp+1; | |
914 | - index=strtoul((char*)startp,(char**)&endp,0); | |
915 | - if (*endp != 0 || endp == startp || errno != 0) | |
916 | - ftdi_error_return(-11, "illegal description format"); | |
917 | - } | |
918 | - if (description[0] == 's') | |
919 | - { | |
920 | - if (*endp != ':') | |
921 | - ftdi_error_return(-11, "illegal description format"); | |
922 | - | |
923 | - /* rest of the description is the serial */ | |
924 | - serial=endp+1; | |
925 | - } | |
926 | - | |
927 | - return ftdi_usb_open_desc_index(ftdi, vendor, product, NULL, serial, index); | |
928 | - } | |
929 | - else | |
930 | - { | |
931 | - ftdi_error_return(-11, "illegal description format"); | |
932 | - } | |
933 | -} | |
934 | - | |
935 | -/** | |
936 | - Resets the ftdi device. | |
937 | - | |
938 | - \param ftdi pointer to ftdi_context | |
939 | - | |
940 | - \retval 0: all fine | |
941 | - \retval -1: FTDI reset failed | |
942 | - \retval -2: USB device unavailable | |
943 | -*/ | |
944 | -int ftdi_usb_reset(struct ftdi_context *ftdi) | |
945 | -{ | |
946 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
947 | - ftdi_error_return(-2, "USB device unavailable"); | |
948 | - | |
949 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
950 | - SIO_RESET_REQUEST, SIO_RESET_SIO, | |
951 | - ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
952 | - ftdi_error_return(-1,"FTDI reset failed"); | |
953 | - | |
954 | - // Invalidate data in the readbuffer | |
955 | - ftdi->readbuffer_offset = 0; | |
956 | - ftdi->readbuffer_remaining = 0; | |
957 | - | |
958 | - return 0; | |
959 | -} | |
960 | - | |
961 | -/** | |
962 | - Clears the read buffer on the chip and the internal read buffer. | |
963 | - | |
964 | - \param ftdi pointer to ftdi_context | |
965 | - | |
966 | - \retval 0: all fine | |
967 | - \retval -1: read buffer purge failed | |
968 | - \retval -2: USB device unavailable | |
969 | -*/ | |
970 | -int ftdi_usb_purge_rx_buffer(struct ftdi_context *ftdi) | |
971 | -{ | |
972 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
973 | - ftdi_error_return(-2, "USB device unavailable"); | |
974 | - | |
975 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
976 | - SIO_RESET_REQUEST, SIO_RESET_PURGE_RX, | |
977 | - ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
978 | - ftdi_error_return(-1, "FTDI purge of RX buffer failed"); | |
979 | - | |
980 | - // Invalidate data in the readbuffer | |
981 | - ftdi->readbuffer_offset = 0; | |
982 | - ftdi->readbuffer_remaining = 0; | |
983 | - | |
984 | - return 0; | |
985 | -} | |
986 | - | |
987 | -/** | |
988 | - Clears the write buffer on the chip. | |
989 | - | |
990 | - \param ftdi pointer to ftdi_context | |
991 | - | |
992 | - \retval 0: all fine | |
993 | - \retval -1: write buffer purge failed | |
994 | - \retval -2: USB device unavailable | |
995 | -*/ | |
996 | -int ftdi_usb_purge_tx_buffer(struct ftdi_context *ftdi) | |
997 | -{ | |
998 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
999 | - ftdi_error_return(-2, "USB device unavailable"); | |
1000 | - | |
1001 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
1002 | - SIO_RESET_REQUEST, SIO_RESET_PURGE_TX, | |
1003 | - ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
1004 | - ftdi_error_return(-1, "FTDI purge of TX buffer failed"); | |
1005 | - | |
1006 | - return 0; | |
1007 | -} | |
1008 | - | |
1009 | -/** | |
1010 | - Clears the buffers on the chip and the internal read buffer. | |
1011 | - | |
1012 | - \param ftdi pointer to ftdi_context | |
1013 | - | |
1014 | - \retval 0: all fine | |
1015 | - \retval -1: read buffer purge failed | |
1016 | - \retval -2: write buffer purge failed | |
1017 | - \retval -3: USB device unavailable | |
1018 | -*/ | |
1019 | -int ftdi_usb_purge_buffers(struct ftdi_context *ftdi) | |
1020 | -{ | |
1021 | - int result; | |
1022 | - | |
1023 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
1024 | - ftdi_error_return(-3, "USB device unavailable"); | |
1025 | - | |
1026 | - result = ftdi_usb_purge_rx_buffer(ftdi); | |
1027 | - if (result < 0) | |
1028 | - return -1; | |
1029 | - | |
1030 | - result = ftdi_usb_purge_tx_buffer(ftdi); | |
1031 | - if (result < 0) | |
1032 | - return -2; | |
1033 | - | |
1034 | - return 0; | |
1035 | -} | |
1036 | - | |
1037 | - | |
1038 | - | |
1039 | -/** | |
1040 | - Closes the ftdi device. Call ftdi_deinit() if you're cleaning up. | |
1041 | - | |
1042 | - \param ftdi pointer to ftdi_context | |
1043 | - | |
1044 | - \retval 0: all fine | |
1045 | - \retval -1: usb_release failed | |
1046 | - \retval -3: ftdi context invalid | |
1047 | -*/ | |
1048 | -int ftdi_usb_close(struct ftdi_context *ftdi) | |
1049 | -{ | |
1050 | - int rtn = 0; | |
1051 | - | |
1052 | - if (ftdi == NULL) | |
1053 | - ftdi_error_return(-3, "ftdi context invalid"); | |
1054 | - | |
1055 | - if (ftdi->usb_dev != NULL) | |
1056 | - if (libusb_release_interface(ftdi->usb_dev, ftdi->interface) < 0) | |
1057 | - rtn = -1; | |
1058 | - | |
1059 | - ftdi_usb_close_internal (ftdi); | |
1060 | - | |
1061 | - return rtn; | |
1062 | -} | |
1063 | - | |
1064 | -/* ftdi_to_clkbits_AM For the AM device, convert a requested baudrate | |
1065 | - to encoded divisor and the achievable baudrate | |
1066 | - Function is only used internally | |
1067 | - \internal | |
1068 | - | |
1069 | - See AN120 | |
1070 | - clk/1 -> 0 | |
1071 | - clk/1.5 -> 1 | |
1072 | - clk/2 -> 2 | |
1073 | - From /2, 0.125/ 0.25 and 0.5 steps may be taken | |
1074 | - The fractional part has frac_code encoding | |
1075 | -*/ | |
1076 | -static int ftdi_to_clkbits_AM(int baudrate, unsigned long *encoded_divisor) | |
1077 | - | |
1078 | -{ | |
1079 | - static const char frac_code[8] = {0, 3, 2, 4, 1, 5, 6, 7}; | |
1080 | - static const char am_adjust_up[8] = {0, 0, 0, 1, 0, 3, 2, 1}; | |
1081 | - static const char am_adjust_dn[8] = {0, 0, 0, 1, 0, 1, 2, 3}; | |
1082 | - int divisor, best_divisor, best_baud, best_baud_diff; | |
1083 | - int i; | |
1084 | - divisor = 24000000 / baudrate; | |
1085 | - | |
1086 | - // Round down to supported fraction (AM only) | |
1087 | - divisor -= am_adjust_dn[divisor & 7]; | |
1088 | - | |
1089 | - // Try this divisor and the one above it (because division rounds down) | |
1090 | - best_divisor = 0; | |
1091 | - best_baud = 0; | |
1092 | - best_baud_diff = 0; | |
1093 | - for (i = 0; i < 2; i++) | |
1094 | - { | |
1095 | - int try_divisor = divisor + i; | |
1096 | - int baud_estimate; | |
1097 | - int baud_diff; | |
1098 | - | |
1099 | - // Round up to supported divisor value | |
1100 | - if (try_divisor <= 8) | |
1101 | - { | |
1102 | - // Round up to minimum supported divisor | |
1103 | - try_divisor = 8; | |
1104 | - } | |
1105 | - else if (divisor < 16) | |
1106 | - { | |
1107 | - // AM doesn't support divisors 9 through 15 inclusive | |
1108 | - try_divisor = 16; | |
1109 | - } | |
1110 | - else | |
1111 | - { | |
1112 | - // Round up to supported fraction (AM only) | |
1113 | - try_divisor += am_adjust_up[try_divisor & 7]; | |
1114 | - if (try_divisor > 0x1FFF8) | |
1115 | - { | |
1116 | - // Round down to maximum supported divisor value (for AM) | |
1117 | - try_divisor = 0x1FFF8; | |
1118 | - } | |
1119 | - } | |
1120 | - // Get estimated baud rate (to nearest integer) | |
1121 | - baud_estimate = (24000000 + (try_divisor / 2)) / try_divisor; | |
1122 | - // Get absolute difference from requested baud rate | |
1123 | - if (baud_estimate < baudrate) | |
1124 | - { | |
1125 | - baud_diff = baudrate - baud_estimate; | |
1126 | - } | |
1127 | - else | |
1128 | - { | |
1129 | - baud_diff = baud_estimate - baudrate; | |
1130 | - } | |
1131 | - if (i == 0 || baud_diff < best_baud_diff) | |
1132 | - { | |
1133 | - // Closest to requested baud rate so far | |
1134 | - best_divisor = try_divisor; | |
1135 | - best_baud = baud_estimate; | |
1136 | - best_baud_diff = baud_diff; | |
1137 | - if (baud_diff == 0) | |
1138 | - { | |
1139 | - // Spot on! No point trying | |
1140 | - break; | |
1141 | - } | |
1142 | - } | |
1143 | - } | |
1144 | - // Encode the best divisor value | |
1145 | - *encoded_divisor = (best_divisor >> 3) | (frac_code[best_divisor & 7] << 14); | |
1146 | - // Deal with special cases for encoded value | |
1147 | - if (*encoded_divisor == 1) | |
1148 | - { | |
1149 | - *encoded_divisor = 0; // 3000000 baud | |
1150 | - } | |
1151 | - else if (*encoded_divisor == 0x4001) | |
1152 | - { | |
1153 | - *encoded_divisor = 1; // 2000000 baud (BM only) | |
1154 | - } | |
1155 | - return best_baud; | |
1156 | -} | |
1157 | - | |
1158 | -/* ftdi_to_clkbits Convert a requested baudrate for a given system clock and predivisor | |
1159 | - to encoded divisor and the achievable baudrate | |
1160 | - Function is only used internally | |
1161 | - \internal | |
1162 | - | |
1163 | - See AN120 | |
1164 | - clk/1 -> 0 | |
1165 | - clk/1.5 -> 1 | |
1166 | - clk/2 -> 2 | |
1167 | - From /2, 0.125 steps may be taken. | |
1168 | - The fractional part has frac_code encoding | |
1169 | - | |
1170 | - value[13:0] of value is the divisor | |
1171 | - index[9] mean 12 MHz Base(120 MHz/10) rate versus 3 MHz (48 MHz/16) else | |
1172 | - | |
1173 | - H Type have all features above with | |
1174 | - {index[8],value[15:14]} is the encoded subdivisor | |
1175 | - | |
1176 | - FT232R, FT2232 and FT232BM have no option for 12 MHz and with | |
1177 | - {index[0],value[15:14]} is the encoded subdivisor | |
1178 | - | |
1179 | - AM Type chips have only four fractional subdivisors at value[15:14] | |
1180 | - for subdivisors 0, 0.5, 0.25, 0.125 | |
1181 | -*/ | |
1182 | -static int ftdi_to_clkbits(int baudrate, unsigned int clk, int clk_div, unsigned long *encoded_divisor) | |
1183 | -{ | |
1184 | - static const char frac_code[8] = {0, 3, 2, 4, 1, 5, 6, 7}; | |
1185 | - int best_baud = 0; | |
1186 | - int divisor, best_divisor; | |
1187 | - if (baudrate >= clk/clk_div) | |
1188 | - { | |
1189 | - *encoded_divisor = 0; | |
1190 | - best_baud = clk/clk_div; | |
1191 | - } | |
1192 | - else if (baudrate >= clk/(clk_div + clk_div/2)) | |
1193 | - { | |
1194 | - *encoded_divisor = 1; | |
1195 | - best_baud = clk/(clk_div + clk_div/2); | |
1196 | - } | |
1197 | - else if (baudrate >= clk/(2*clk_div)) | |
1198 | - { | |
1199 | - *encoded_divisor = 2; | |
1200 | - best_baud = clk/(2*clk_div); | |
1201 | - } | |
1202 | - else | |
1203 | - { | |
1204 | - /* We divide by 16 to have 3 fractional bits and one bit for rounding */ | |
1205 | - divisor = clk*16/clk_div / baudrate; | |
1206 | - if (divisor & 1) /* Decide if to round up or down*/ | |
1207 | - best_divisor = divisor /2 +1; | |
1208 | - else | |
1209 | - best_divisor = divisor/2; | |
1210 | - if(best_divisor > 0x20000) | |
1211 | - best_divisor = 0x1ffff; | |
1212 | - best_baud = clk*16/clk_div/best_divisor; | |
1213 | - if (best_baud & 1) /* Decide if to round up or down*/ | |
1214 | - best_baud = best_baud /2 +1; | |
1215 | - else | |
1216 | - best_baud = best_baud /2; | |
1217 | - *encoded_divisor = (best_divisor >> 3) | (frac_code[best_divisor & 0x7] << 14); | |
1218 | - } | |
1219 | - return best_baud; | |
1220 | -} | |
1221 | -/** | |
1222 | - ftdi_convert_baudrate returns nearest supported baud rate to that requested. | |
1223 | - Function is only used internally | |
1224 | - \internal | |
1225 | -*/ | |
1226 | -static int ftdi_convert_baudrate(int baudrate, struct ftdi_context *ftdi, | |
1227 | - unsigned short *value, unsigned short *index) | |
1228 | -{ | |
1229 | - int best_baud; | |
1230 | - unsigned long encoded_divisor; | |
1231 | - | |
1232 | - if (baudrate <= 0) | |
1233 | - { | |
1234 | - // Return error | |
1235 | - return -1; | |
1236 | - } | |
1237 | - | |
1238 | -#define H_CLK 120000000 | |
1239 | -#define C_CLK 48000000 | |
1240 | - if ((ftdi->type == TYPE_2232H) || (ftdi->type == TYPE_4232H) || (ftdi->type == TYPE_232H)) | |
1241 | - { | |
1242 | - if(baudrate*10 > H_CLK /0x3fff) | |
1243 | - { | |
1244 | - /* On H Devices, use 12 000 000 Baudrate when possible | |
1245 | - We have a 14 bit divisor, a 1 bit divisor switch (10 or 16) | |
1246 | - three fractional bits and a 120 MHz clock | |
1247 | - Assume AN_120 "Sub-integer divisors between 0 and 2 are not allowed" holds for | |
1248 | - DIV/10 CLK too, so /1, /1.5 and /2 can be handled the same*/ | |
1249 | - best_baud = ftdi_to_clkbits(baudrate, H_CLK, 10, &encoded_divisor); | |
1250 | - encoded_divisor |= 0x20000; /* switch on CLK/10*/ | |
1251 | - } | |
1252 | - else | |
1253 | - best_baud = ftdi_to_clkbits(baudrate, C_CLK, 16, &encoded_divisor); | |
1254 | - } | |
1255 | - else if ((ftdi->type == TYPE_BM) || (ftdi->type == TYPE_2232C) || (ftdi->type == TYPE_R )) | |
1256 | - { | |
1257 | - best_baud = ftdi_to_clkbits(baudrate, C_CLK, 16, &encoded_divisor); | |
1258 | - } | |
1259 | - else | |
1260 | - { | |
1261 | - best_baud = ftdi_to_clkbits_AM(baudrate, &encoded_divisor); | |
1262 | - } | |
1263 | - // Split into "value" and "index" values | |
1264 | - *value = (unsigned short)(encoded_divisor & 0xFFFF); | |
1265 | - if (ftdi->type == TYPE_2232H || ftdi->type == TYPE_4232H || ftdi->type == TYPE_232H) | |
1266 | - { | |
1267 | - *index = (unsigned short)(encoded_divisor >> 8); | |
1268 | - *index &= 0xFF00; | |
1269 | - *index |= ftdi->index; | |
1270 | - } | |
1271 | - else | |
1272 | - *index = (unsigned short)(encoded_divisor >> 16); | |
1273 | - | |
1274 | - // Return the nearest baud rate | |
1275 | - return best_baud; | |
1276 | -} | |
1277 | - | |
1278 | -/** | |
1279 | - * @brief Wrapper function to export ftdi_convert_baudrate() to the unit test | |
1280 | - * Do not use, it's only for the unit test framework | |
1281 | - **/ | |
1282 | -int convert_baudrate_UT_export(int baudrate, struct ftdi_context *ftdi, | |
1283 | - unsigned short *value, unsigned short *index) | |
1284 | -{ | |
1285 | - return ftdi_convert_baudrate(baudrate, ftdi, value, index); | |
1286 | -} | |
1287 | - | |
1288 | -/** | |
1289 | - Sets the chip baud rate | |
1290 | - | |
1291 | - \param ftdi pointer to ftdi_context | |
1292 | - \param baudrate baud rate to set | |
1293 | - | |
1294 | - \retval 0: all fine | |
1295 | - \retval -1: invalid baudrate | |
1296 | - \retval -2: setting baudrate failed | |
1297 | - \retval -3: USB device unavailable | |
1298 | -*/ | |
1299 | -int ftdi_set_baudrate(struct ftdi_context *ftdi, int baudrate) | |
1300 | -{ | |
1301 | - unsigned short value, index; | |
1302 | - int actual_baudrate; | |
1303 | - | |
1304 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
1305 | - ftdi_error_return(-3, "USB device unavailable"); | |
1306 | - | |
1307 | - if (ftdi->bitbang_enabled) | |
1308 | - { | |
1309 | - baudrate = baudrate*4; | |
1310 | - } | |
1311 | - | |
1312 | - actual_baudrate = ftdi_convert_baudrate(baudrate, ftdi, &value, &index); | |
1313 | - if (actual_baudrate <= 0) | |
1314 | - ftdi_error_return (-1, "Silly baudrate <= 0."); | |
1315 | - | |
1316 | - // Check within tolerance (about 5%) | |
1317 | - if ((actual_baudrate * 2 < baudrate /* Catch overflows */ ) | |
1318 | - || ((actual_baudrate < baudrate) | |
1319 | - ? (actual_baudrate * 21 < baudrate * 20) | |
1320 | - : (baudrate * 21 < actual_baudrate * 20))) | |
1321 | - ftdi_error_return (-1, "Unsupported baudrate. Note: bitbang baudrates are automatically multiplied by 4"); | |
1322 | - | |
1323 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
1324 | - SIO_SET_BAUDRATE_REQUEST, value, | |
1325 | - index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
1326 | - ftdi_error_return (-2, "Setting new baudrate failed"); | |
1327 | - | |
1328 | - ftdi->baudrate = baudrate; | |
1329 | - return 0; | |
1330 | -} | |
1331 | - | |
1332 | -/** | |
1333 | - Set (RS232) line characteristics. | |
1334 | - The break type can only be set via ftdi_set_line_property2() | |
1335 | - and defaults to "off". | |
1336 | - | |
1337 | - \param ftdi pointer to ftdi_context | |
1338 | - \param bits Number of bits | |
1339 | - \param sbit Number of stop bits | |
1340 | - \param parity Parity mode | |
1341 | - | |
1342 | - \retval 0: all fine | |
1343 | - \retval -1: Setting line property failed | |
1344 | -*/ | |
1345 | -int ftdi_set_line_property(struct ftdi_context *ftdi, enum ftdi_bits_type bits, | |
1346 | - enum ftdi_stopbits_type sbit, enum ftdi_parity_type parity) | |
1347 | -{ | |
1348 | - return ftdi_set_line_property2(ftdi, bits, sbit, parity, BREAK_OFF); | |
1349 | -} | |
1350 | - | |
1351 | -/** | |
1352 | - Set (RS232) line characteristics | |
1353 | - | |
1354 | - \param ftdi pointer to ftdi_context | |
1355 | - \param bits Number of bits | |
1356 | - \param sbit Number of stop bits | |
1357 | - \param parity Parity mode | |
1358 | - \param break_type Break type | |
1359 | - | |
1360 | - \retval 0: all fine | |
1361 | - \retval -1: Setting line property failed | |
1362 | - \retval -2: USB device unavailable | |
1363 | -*/ | |
1364 | -int ftdi_set_line_property2(struct ftdi_context *ftdi, enum ftdi_bits_type bits, | |
1365 | - enum ftdi_stopbits_type sbit, enum ftdi_parity_type parity, | |
1366 | - enum ftdi_break_type break_type) | |
1367 | -{ | |
1368 | - unsigned short value = bits; | |
1369 | - | |
1370 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
1371 | - ftdi_error_return(-2, "USB device unavailable"); | |
1372 | - | |
1373 | - switch (parity) | |
1374 | - { | |
1375 | - case NONE: | |
1376 | - value |= (0x00 << 8); | |
1377 | - break; | |
1378 | - case ODD: | |
1379 | - value |= (0x01 << 8); | |
1380 | - break; | |
1381 | - case EVEN: | |
1382 | - value |= (0x02 << 8); | |
1383 | - break; | |
1384 | - case MARK: | |
1385 | - value |= (0x03 << 8); | |
1386 | - break; | |
1387 | - case SPACE: | |
1388 | - value |= (0x04 << 8); | |
1389 | - break; | |
1390 | - } | |
1391 | - | |
1392 | - switch (sbit) | |
1393 | - { | |
1394 | - case STOP_BIT_1: | |
1395 | - value |= (0x00 << 11); | |
1396 | - break; | |
1397 | - case STOP_BIT_15: | |
1398 | - value |= (0x01 << 11); | |
1399 | - break; | |
1400 | - case STOP_BIT_2: | |
1401 | - value |= (0x02 << 11); | |
1402 | - break; | |
1403 | - } | |
1404 | - | |
1405 | - switch (break_type) | |
1406 | - { | |
1407 | - case BREAK_OFF: | |
1408 | - value |= (0x00 << 14); | |
1409 | - break; | |
1410 | - case BREAK_ON: | |
1411 | - value |= (0x01 << 14); | |
1412 | - break; | |
1413 | - } | |
1414 | - | |
1415 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
1416 | - SIO_SET_DATA_REQUEST, value, | |
1417 | - ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
1418 | - ftdi_error_return (-1, "Setting new line property failed"); | |
1419 | - | |
1420 | - return 0; | |
1421 | -} | |
1422 | - | |
1423 | -/** | |
1424 | - Writes data in chunks (see ftdi_write_data_set_chunksize()) to the chip | |
1425 | - | |
1426 | - \param ftdi pointer to ftdi_context | |
1427 | - \param buf Buffer with the data | |
1428 | - \param size Size of the buffer | |
1429 | - | |
1430 | - \retval -666: USB device unavailable | |
1431 | - \retval <0: error code from usb_bulk_write() | |
1432 | - \retval >0: number of bytes written | |
1433 | -*/ | |
1434 | -int ftdi_write_data(struct ftdi_context *ftdi, const unsigned char *buf, int size) | |
1435 | -{ | |
1436 | - int offset = 0; | |
1437 | - int actual_length; | |
1438 | - | |
1439 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
1440 | - ftdi_error_return(-666, "USB device unavailable"); | |
1441 | - | |
1442 | - while (offset < size) | |
1443 | - { | |
1444 | - int write_size = ftdi->writebuffer_chunksize; | |
1445 | - | |
1446 | - if (offset+write_size > size) | |
1447 | - write_size = size-offset; | |
1448 | - | |
1449 | - if (libusb_bulk_transfer(ftdi->usb_dev, ftdi->in_ep, (unsigned char *)buf+offset, write_size, &actual_length, ftdi->usb_write_timeout) < 0) | |
1450 | - ftdi_error_return(-1, "usb bulk write failed"); | |
1451 | - | |
1452 | - offset += actual_length; | |
1453 | - } | |
1454 | - | |
1455 | - return offset; | |
1456 | -} | |
1457 | - | |
1458 | -static void LIBUSB_CALL ftdi_read_data_cb(struct libusb_transfer *transfer) | |
1459 | -{ | |
1460 | - struct ftdi_transfer_control *tc = (struct ftdi_transfer_control *) transfer->user_data; | |
1461 | - struct ftdi_context *ftdi = tc->ftdi; | |
1462 | - int packet_size, actual_length, num_of_chunks, chunk_remains, i, ret; | |
1463 | - | |
1464 | - packet_size = ftdi->max_packet_size; | |
1465 | - | |
1466 | - actual_length = transfer->actual_length; | |
1467 | - | |
1468 | - if (actual_length > 2) | |
1469 | - { | |
1470 | - // skip FTDI status bytes. | |
1471 | - // Maybe stored in the future to enable modem use | |
1472 | - num_of_chunks = actual_length / packet_size; | |
1473 | - chunk_remains = actual_length % packet_size; | |
1474 | - //printf("actual_length = %X, num_of_chunks = %X, chunk_remains = %X, readbuffer_offset = %X\n", actual_length, num_of_chunks, chunk_remains, ftdi->readbuffer_offset); | |
1475 | - | |
1476 | - ftdi->readbuffer_offset += 2; | |
1477 | - actual_length -= 2; | |
1478 | - | |
1479 | - if (actual_length > packet_size - 2) | |
1480 | - { | |
1481 | - for (i = 1; i < num_of_chunks; i++) | |
1482 | - memmove (ftdi->readbuffer+ftdi->readbuffer_offset+(packet_size - 2)*i, | |
1483 | - ftdi->readbuffer+ftdi->readbuffer_offset+packet_size*i, | |
1484 | - packet_size - 2); | |
1485 | - if (chunk_remains > 2) | |
1486 | - { | |
1487 | - memmove (ftdi->readbuffer+ftdi->readbuffer_offset+(packet_size - 2)*i, | |
1488 | - ftdi->readbuffer+ftdi->readbuffer_offset+packet_size*i, | |
1489 | - chunk_remains-2); | |
1490 | - actual_length -= 2*num_of_chunks; | |
1491 | - } | |
1492 | - else | |
1493 | - actual_length -= 2*(num_of_chunks-1)+chunk_remains; | |
1494 | - } | |
1495 | - | |
1496 | - if (actual_length > 0) | |
1497 | - { | |
1498 | - // data still fits in buf? | |
1499 | - if (tc->offset + actual_length <= tc->size) | |
1500 | - { | |
1501 | - memcpy (tc->buf + tc->offset, ftdi->readbuffer + ftdi->readbuffer_offset, actual_length); | |
1502 | - //printf("buf[0] = %X, buf[1] = %X\n", buf[0], buf[1]); | |
1503 | - tc->offset += actual_length; | |
1504 | - | |
1505 | - ftdi->readbuffer_offset = 0; | |
1506 | - ftdi->readbuffer_remaining = 0; | |
1507 | - | |
1508 | - /* Did we read exactly the right amount of bytes? */ | |
1509 | - if (tc->offset == tc->size) | |
1510 | - { | |
1511 | - //printf("read_data exact rem %d offset %d\n", | |
1512 | - //ftdi->readbuffer_remaining, offset); | |
1513 | - tc->completed = 1; | |
1514 | - return; | |
1515 | - } | |
1516 | - } | |
1517 | - else | |
1518 | - { | |
1519 | - // only copy part of the data or size <= readbuffer_chunksize | |
1520 | - int part_size = tc->size - tc->offset; | |
1521 | - memcpy (tc->buf + tc->offset, ftdi->readbuffer + ftdi->readbuffer_offset, part_size); | |
1522 | - tc->offset += part_size; | |
1523 | - | |
1524 | - ftdi->readbuffer_offset += part_size; | |
1525 | - ftdi->readbuffer_remaining = actual_length - part_size; | |
1526 | - | |
1527 | - /* printf("Returning part: %d - size: %d - offset: %d - actual_length: %d - remaining: %d\n", | |
1528 | - part_size, size, offset, actual_length, ftdi->readbuffer_remaining); */ | |
1529 | - tc->completed = 1; | |
1530 | - return; | |
1531 | - } | |
1532 | - } | |
1533 | - } | |
1534 | - | |
1535 | - if (transfer->status == LIBUSB_TRANSFER_CANCELLED) | |
1536 | - tc->completed = LIBUSB_TRANSFER_CANCELLED; | |
1537 | - else | |
1538 | - { | |
1539 | - ret = libusb_submit_transfer (transfer); | |
1540 | - if (ret < 0) | |
1541 | - tc->completed = 1; | |
1542 | - } | |
1543 | -} | |
1544 | - | |
1545 | - | |
1546 | -static void LIBUSB_CALL ftdi_write_data_cb(struct libusb_transfer *transfer) | |
1547 | -{ | |
1548 | - struct ftdi_transfer_control *tc = (struct ftdi_transfer_control *) transfer->user_data; | |
1549 | - struct ftdi_context *ftdi = tc->ftdi; | |
1550 | - | |
1551 | - tc->offset += transfer->actual_length; | |
1552 | - | |
1553 | - if (tc->offset == tc->size) | |
1554 | - { | |
1555 | - tc->completed = 1; | |
1556 | - } | |
1557 | - else | |
1558 | - { | |
1559 | - int write_size = ftdi->writebuffer_chunksize; | |
1560 | - int ret; | |
1561 | - | |
1562 | - if (tc->offset + write_size > tc->size) | |
1563 | - write_size = tc->size - tc->offset; | |
1564 | - | |
1565 | - transfer->length = write_size; | |
1566 | - transfer->buffer = tc->buf + tc->offset; | |
1567 | - | |
1568 | - if (transfer->status == LIBUSB_TRANSFER_CANCELLED) | |
1569 | - tc->completed = LIBUSB_TRANSFER_CANCELLED; | |
1570 | - else | |
1571 | - { | |
1572 | - ret = libusb_submit_transfer (transfer); | |
1573 | - if (ret < 0) | |
1574 | - tc->completed = 1; | |
1575 | - } | |
1576 | - } | |
1577 | -} | |
1578 | - | |
1579 | - | |
1580 | -/** | |
1581 | - Writes data to the chip. Does not wait for completion of the transfer | |
1582 | - nor does it make sure that the transfer was successful. | |
1583 | - | |
1584 | - Use libusb 1.0 asynchronous API. | |
1585 | - | |
1586 | - \param ftdi pointer to ftdi_context | |
1587 | - \param buf Buffer with the data | |
1588 | - \param size Size of the buffer | |
1589 | - | |
1590 | - \retval NULL: Some error happens when submit transfer | |
1591 | - \retval !NULL: Pointer to a ftdi_transfer_control | |
1592 | -*/ | |
1593 | - | |
1594 | -struct ftdi_transfer_control *ftdi_write_data_submit(struct ftdi_context *ftdi, unsigned char *buf, int size) | |
1595 | -{ | |
1596 | - struct ftdi_transfer_control *tc; | |
1597 | - struct libusb_transfer *transfer; | |
1598 | - int write_size, ret; | |
1599 | - | |
1600 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
1601 | - return NULL; | |
1602 | - | |
1603 | - tc = (struct ftdi_transfer_control *) malloc (sizeof (*tc)); | |
1604 | - if (!tc) | |
1605 | - return NULL; | |
1606 | - | |
1607 | - transfer = libusb_alloc_transfer(0); | |
1608 | - if (!transfer) | |
1609 | - { | |
1610 | - free(tc); | |
1611 | - return NULL; | |
1612 | - } | |
1613 | - | |
1614 | - tc->ftdi = ftdi; | |
1615 | - tc->completed = 0; | |
1616 | - tc->buf = buf; | |
1617 | - tc->size = size; | |
1618 | - tc->offset = 0; | |
1619 | - | |
1620 | - if (size < (int)ftdi->writebuffer_chunksize) | |
1621 | - write_size = size; | |
1622 | - else | |
1623 | - write_size = ftdi->writebuffer_chunksize; | |
1624 | - | |
1625 | - libusb_fill_bulk_transfer(transfer, ftdi->usb_dev, ftdi->in_ep, buf, | |
1626 | - write_size, ftdi_write_data_cb, tc, | |
1627 | - ftdi->usb_write_timeout); | |
1628 | - transfer->type = LIBUSB_TRANSFER_TYPE_BULK; | |
1629 | - | |
1630 | - ret = libusb_submit_transfer(transfer); | |
1631 | - if (ret < 0) | |
1632 | - { | |
1633 | - libusb_free_transfer(transfer); | |
1634 | - free(tc); | |
1635 | - return NULL; | |
1636 | - } | |
1637 | - tc->transfer = transfer; | |
1638 | - | |
1639 | - return tc; | |
1640 | -} | |
1641 | - | |
1642 | -/** | |
1643 | - Reads data from the chip. Does not wait for completion of the transfer | |
1644 | - nor does it make sure that the transfer was successful. | |
1645 | - | |
1646 | - Use libusb 1.0 asynchronous API. | |
1647 | - | |
1648 | - \param ftdi pointer to ftdi_context | |
1649 | - \param buf Buffer with the data | |
1650 | - \param size Size of the buffer | |
1651 | - | |
1652 | - \retval NULL: Some error happens when submit transfer | |
1653 | - \retval !NULL: Pointer to a ftdi_transfer_control | |
1654 | -*/ | |
1655 | - | |
1656 | -struct ftdi_transfer_control *ftdi_read_data_submit(struct ftdi_context *ftdi, unsigned char *buf, int size) | |
1657 | -{ | |
1658 | - struct ftdi_transfer_control *tc; | |
1659 | - struct libusb_transfer *transfer; | |
1660 | - int ret; | |
1661 | - | |
1662 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
1663 | - return NULL; | |
1664 | - | |
1665 | - tc = (struct ftdi_transfer_control *) malloc (sizeof (*tc)); | |
1666 | - if (!tc) | |
1667 | - return NULL; | |
1668 | - | |
1669 | - tc->ftdi = ftdi; | |
1670 | - tc->buf = buf; | |
1671 | - tc->size = size; | |
1672 | - | |
1673 | - if (size <= (int)ftdi->readbuffer_remaining) | |
1674 | - { | |
1675 | - memcpy (buf, ftdi->readbuffer+ftdi->readbuffer_offset, size); | |
1676 | - | |
1677 | - // Fix offsets | |
1678 | - ftdi->readbuffer_remaining -= size; | |
1679 | - ftdi->readbuffer_offset += size; | |
1680 | - | |
1681 | - /* printf("Returning bytes from buffer: %d - remaining: %d\n", size, ftdi->readbuffer_remaining); */ | |
1682 | - | |
1683 | - tc->completed = 1; | |
1684 | - tc->offset = size; | |
1685 | - tc->transfer = NULL; | |
1686 | - return tc; | |
1687 | - } | |
1688 | - | |
1689 | - tc->completed = 0; | |
1690 | - if (ftdi->readbuffer_remaining != 0) | |
1691 | - { | |
1692 | - memcpy (buf, ftdi->readbuffer+ftdi->readbuffer_offset, ftdi->readbuffer_remaining); | |
1693 | - | |
1694 | - tc->offset = ftdi->readbuffer_remaining; | |
1695 | - } | |
1696 | - else | |
1697 | - tc->offset = 0; | |
1698 | - | |
1699 | - transfer = libusb_alloc_transfer(0); | |
1700 | - if (!transfer) | |
1701 | - { | |
1702 | - free (tc); | |
1703 | - return NULL; | |
1704 | - } | |
1705 | - | |
1706 | - ftdi->readbuffer_remaining = 0; | |
1707 | - ftdi->readbuffer_offset = 0; | |
1708 | - | |
1709 | - libusb_fill_bulk_transfer(transfer, ftdi->usb_dev, ftdi->out_ep, ftdi->readbuffer, ftdi->readbuffer_chunksize, ftdi_read_data_cb, tc, ftdi->usb_read_timeout); | |
1710 | - transfer->type = LIBUSB_TRANSFER_TYPE_BULK; | |
1711 | - | |
1712 | - ret = libusb_submit_transfer(transfer); | |
1713 | - if (ret < 0) | |
1714 | - { | |
1715 | - libusb_free_transfer(transfer); | |
1716 | - free (tc); | |
1717 | - return NULL; | |
1718 | - } | |
1719 | - tc->transfer = transfer; | |
1720 | - | |
1721 | - return tc; | |
1722 | -} | |
1723 | - | |
1724 | -/** | |
1725 | - Wait for completion of the transfer. | |
1726 | - | |
1727 | - Use libusb 1.0 asynchronous API. | |
1728 | - | |
1729 | - \param tc pointer to ftdi_transfer_control | |
1730 | - | |
1731 | - \retval < 0: Some error happens | |
1732 | - \retval >= 0: Data size transferred | |
1733 | -*/ | |
1734 | - | |
1735 | -int ftdi_transfer_data_done(struct ftdi_transfer_control *tc) | |
1736 | -{ | |
1737 | - int ret; | |
1738 | - struct timeval to = { 0, 0 }; | |
1739 | - while (!tc->completed) | |
1740 | - { | |
1741 | - ret = libusb_handle_events_timeout_completed(tc->ftdi->usb_ctx, | |
1742 | - &to, &tc->completed); | |
1743 | - if (ret < 0) | |
1744 | - { | |
1745 | - if (ret == LIBUSB_ERROR_INTERRUPTED) | |
1746 | - continue; | |
1747 | - libusb_cancel_transfer(tc->transfer); | |
1748 | - while (!tc->completed) | |
1749 | - if (libusb_handle_events_timeout_completed(tc->ftdi->usb_ctx, | |
1750 | - &to, &tc->completed) < 0) | |
1751 | - break; | |
1752 | - libusb_free_transfer(tc->transfer); | |
1753 | - free (tc); | |
1754 | - return ret; | |
1755 | - } | |
1756 | - } | |
1757 | - | |
1758 | - ret = tc->offset; | |
1759 | - /** | |
1760 | - * tc->transfer could be NULL if "(size <= ftdi->readbuffer_remaining)" | |
1761 | - * at ftdi_read_data_submit(). Therefore, we need to check it here. | |
1762 | - **/ | |
1763 | - if (tc->transfer) | |
1764 | - { | |
1765 | - if (tc->transfer->status != LIBUSB_TRANSFER_COMPLETED) | |
1766 | - ret = -1; | |
1767 | - libusb_free_transfer(tc->transfer); | |
1768 | - } | |
1769 | - free(tc); | |
1770 | - return ret; | |
1771 | -} | |
1772 | - | |
1773 | -/** | |
1774 | - Cancel transfer and wait for completion. | |
1775 | - | |
1776 | - Use libusb 1.0 asynchronous API. | |
1777 | - | |
1778 | - \param tc pointer to ftdi_transfer_control | |
1779 | - \param to pointer to timeout value or NULL for infinite | |
1780 | -*/ | |
1781 | - | |
1782 | -void ftdi_transfer_data_cancel(struct ftdi_transfer_control *tc, | |
1783 | - struct timeval * to) | |
1784 | -{ | |
1785 | - struct timeval tv = { 0, 0 }; | |
1786 | - | |
1787 | - if (!tc->completed && tc->transfer != NULL) | |
1788 | - { | |
1789 | - if (to == NULL) | |
1790 | - to = &tv; | |
1791 | - | |
1792 | - libusb_cancel_transfer(tc->transfer); | |
1793 | - while (!tc->completed) | |
1794 | - { | |
1795 | - if (libusb_handle_events_timeout_completed(tc->ftdi->usb_ctx, to, &tc->completed) < 0) | |
1796 | - break; | |
1797 | - } | |
1798 | - } | |
1799 | - | |
1800 | - if (tc->transfer) | |
1801 | - libusb_free_transfer(tc->transfer); | |
1802 | - | |
1803 | - free (tc); | |
1804 | -} | |
1805 | - | |
1806 | -/** | |
1807 | - Configure write buffer chunk size. | |
1808 | - Default is 4096. | |
1809 | - | |
1810 | - \param ftdi pointer to ftdi_context | |
1811 | - \param chunksize Chunk size | |
1812 | - | |
1813 | - \retval 0: all fine | |
1814 | - \retval -1: ftdi context invalid | |
1815 | -*/ | |
1816 | -int ftdi_write_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize) | |
1817 | -{ | |
1818 | - if (ftdi == NULL) | |
1819 | - ftdi_error_return(-1, "ftdi context invalid"); | |
1820 | - | |
1821 | - ftdi->writebuffer_chunksize = chunksize; | |
1822 | - return 0; | |
1823 | -} | |
1824 | - | |
1825 | -/** | |
1826 | - Get write buffer chunk size. | |
1827 | - | |
1828 | - \param ftdi pointer to ftdi_context | |
1829 | - \param chunksize Pointer to store chunk size in | |
1830 | - | |
1831 | - \retval 0: all fine | |
1832 | - \retval -1: ftdi context invalid | |
1833 | -*/ | |
1834 | -int ftdi_write_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize) | |
1835 | -{ | |
1836 | - if (ftdi == NULL) | |
1837 | - ftdi_error_return(-1, "ftdi context invalid"); | |
1838 | - | |
1839 | - *chunksize = ftdi->writebuffer_chunksize; | |
1840 | - return 0; | |
1841 | -} | |
1842 | - | |
1843 | -/** | |
1844 | - Reads data in chunks (see ftdi_read_data_set_chunksize()) from the chip. | |
1845 | - | |
1846 | - Automatically strips the two modem status bytes transfered during every read. | |
1847 | - | |
1848 | - \param ftdi pointer to ftdi_context | |
1849 | - \param buf Buffer to store data in | |
1850 | - \param size Size of the buffer | |
1851 | - | |
1852 | - \retval -666: USB device unavailable | |
1853 | - \retval <0: error code from libusb_bulk_transfer() | |
1854 | - \retval 0: no data was available | |
1855 | - \retval >0: number of bytes read | |
1856 | - | |
1857 | -*/ | |
1858 | -int ftdi_read_data(struct ftdi_context *ftdi, unsigned char *buf, int size) | |
1859 | -{ | |
1860 | - int offset = 0, ret, i, num_of_chunks, chunk_remains; | |
1861 | - int packet_size = ftdi->max_packet_size; | |
1862 | - int actual_length = 1; | |
1863 | - | |
1864 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
1865 | - ftdi_error_return(-666, "USB device unavailable"); | |
1866 | - | |
1867 | - // Packet size sanity check (avoid division by zero) | |
1868 | - if (packet_size == 0) | |
1869 | - ftdi_error_return(-1, "max_packet_size is bogus (zero)"); | |
1870 | - | |
1871 | - // everything we want is still in the readbuffer? | |
1872 | - if (size <= (int)ftdi->readbuffer_remaining) | |
1873 | - { | |
1874 | - memcpy (buf, ftdi->readbuffer+ftdi->readbuffer_offset, size); | |
1875 | - | |
1876 | - // Fix offsets | |
1877 | - ftdi->readbuffer_remaining -= size; | |
1878 | - ftdi->readbuffer_offset += size; | |
1879 | - | |
1880 | - /* printf("Returning bytes from buffer: %d - remaining: %d\n", size, ftdi->readbuffer_remaining); */ | |
1881 | - | |
1882 | - return size; | |
1883 | - } | |
1884 | - // something still in the readbuffer, but not enough to satisfy 'size'? | |
1885 | - if (ftdi->readbuffer_remaining != 0) | |
1886 | - { | |
1887 | - memcpy (buf, ftdi->readbuffer+ftdi->readbuffer_offset, ftdi->readbuffer_remaining); | |
1888 | - | |
1889 | - // Fix offset | |
1890 | - offset += ftdi->readbuffer_remaining; | |
1891 | - } | |
1892 | - // do the actual USB read | |
1893 | - while (offset < size && actual_length > 0) | |
1894 | - { | |
1895 | - ftdi->readbuffer_remaining = 0; | |
1896 | - ftdi->readbuffer_offset = 0; | |
1897 | - /* returns how much received */ | |
1898 | - ret = libusb_bulk_transfer (ftdi->usb_dev, ftdi->out_ep, ftdi->readbuffer, ftdi->readbuffer_chunksize, &actual_length, ftdi->usb_read_timeout); | |
1899 | - if (ret < 0) | |
1900 | - ftdi_error_return(ret, "usb bulk read failed"); | |
1901 | - | |
1902 | - if (actual_length > 2) | |
1903 | - { | |
1904 | - // skip FTDI status bytes. | |
1905 | - // Maybe stored in the future to enable modem use | |
1906 | - num_of_chunks = actual_length / packet_size; | |
1907 | - chunk_remains = actual_length % packet_size; | |
1908 | - //printf("actual_length = %X, num_of_chunks = %X, chunk_remains = %X, readbuffer_offset = %X\n", actual_length, num_of_chunks, chunk_remains, ftdi->readbuffer_offset); | |
1909 | - | |
1910 | - ftdi->readbuffer_offset += 2; | |
1911 | - actual_length -= 2; | |
1912 | - | |
1913 | - if (actual_length > packet_size - 2) | |
1914 | - { | |
1915 | - for (i = 1; i < num_of_chunks; i++) | |
1916 | - memmove (ftdi->readbuffer+ftdi->readbuffer_offset+(packet_size - 2)*i, | |
1917 | - ftdi->readbuffer+ftdi->readbuffer_offset+packet_size*i, | |
1918 | - packet_size - 2); | |
1919 | - if (chunk_remains > 2) | |
1920 | - { | |
1921 | - memmove (ftdi->readbuffer+ftdi->readbuffer_offset+(packet_size - 2)*i, | |
1922 | - ftdi->readbuffer+ftdi->readbuffer_offset+packet_size*i, | |
1923 | - chunk_remains-2); | |
1924 | - actual_length -= 2*num_of_chunks; | |
1925 | - } | |
1926 | - else | |
1927 | - actual_length -= 2*(num_of_chunks-1)+chunk_remains; | |
1928 | - } | |
1929 | - } | |
1930 | - else if (actual_length <= 2) | |
1931 | - { | |
1932 | - // no more data to read? | |
1933 | - return offset; | |
1934 | - } | |
1935 | - if (actual_length > 0) | |
1936 | - { | |
1937 | - // data still fits in buf? | |
1938 | - if (offset+actual_length <= size) | |
1939 | - { | |
1940 | - memcpy (buf+offset, ftdi->readbuffer+ftdi->readbuffer_offset, actual_length); | |
1941 | - //printf("buf[0] = %X, buf[1] = %X\n", buf[0], buf[1]); | |
1942 | - offset += actual_length; | |
1943 | - | |
1944 | - /* Did we read exactly the right amount of bytes? */ | |
1945 | - if (offset == size) | |
1946 | - //printf("read_data exact rem %d offset %d\n", | |
1947 | - //ftdi->readbuffer_remaining, offset); | |
1948 | - return offset; | |
1949 | - } | |
1950 | - else | |
1951 | - { | |
1952 | - // only copy part of the data or size <= readbuffer_chunksize | |
1953 | - int part_size = size-offset; | |
1954 | - memcpy (buf+offset, ftdi->readbuffer+ftdi->readbuffer_offset, part_size); | |
1955 | - | |
1956 | - ftdi->readbuffer_offset += part_size; | |
1957 | - ftdi->readbuffer_remaining = actual_length-part_size; | |
1958 | - offset += part_size; | |
1959 | - | |
1960 | - /* printf("Returning part: %d - size: %d - offset: %d - actual_length: %d - remaining: %d\n", | |
1961 | - part_size, size, offset, actual_length, ftdi->readbuffer_remaining); */ | |
1962 | - | |
1963 | - return offset; | |
1964 | - } | |
1965 | - } | |
1966 | - } | |
1967 | - // never reached | |
1968 | - return -127; | |
1969 | -} | |
1970 | - | |
1971 | -/** | |
1972 | - Configure read buffer chunk size. | |
1973 | - Default is 4096. | |
1974 | - | |
1975 | - Automatically reallocates the buffer. | |
1976 | - | |
1977 | - \param ftdi pointer to ftdi_context | |
1978 | - \param chunksize Chunk size | |
1979 | - | |
1980 | - \retval 0: all fine | |
1981 | - \retval -1: ftdi context invalid | |
1982 | -*/ | |
1983 | -int ftdi_read_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize) | |
1984 | -{ | |
1985 | - unsigned char *new_buf; | |
1986 | - | |
1987 | - if (ftdi == NULL) | |
1988 | - ftdi_error_return(-1, "ftdi context invalid"); | |
1989 | - | |
1990 | - // Invalidate all remaining data | |
1991 | - ftdi->readbuffer_offset = 0; | |
1992 | - ftdi->readbuffer_remaining = 0; | |
1993 | -#ifdef __linux__ | |
1994 | - /* We can't set readbuffer_chunksize larger than MAX_BULK_BUFFER_LENGTH, | |
1995 | - which is defined in libusb-1.0. Otherwise, each USB read request will | |
1996 | - be divided into multiple URBs. This will cause issues on Linux kernel | |
1997 | - older than 2.6.32. */ | |
1998 | - if (chunksize > 16384) | |
1999 | - chunksize = 16384; | |
2000 | -#endif | |
2001 | - | |
2002 | - if ((new_buf = (unsigned char *)realloc(ftdi->readbuffer, chunksize)) == NULL) | |
2003 | - ftdi_error_return(-1, "out of memory for readbuffer"); | |
2004 | - | |
2005 | - ftdi->readbuffer = new_buf; | |
2006 | - ftdi->readbuffer_chunksize = chunksize; | |
2007 | - | |
2008 | - return 0; | |
2009 | -} | |
2010 | - | |
2011 | -/** | |
2012 | - Get read buffer chunk size. | |
2013 | - | |
2014 | - \param ftdi pointer to ftdi_context | |
2015 | - \param chunksize Pointer to store chunk size in | |
2016 | - | |
2017 | - \retval 0: all fine | |
2018 | - \retval -1: FTDI context invalid | |
2019 | -*/ | |
2020 | -int ftdi_read_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize) | |
2021 | -{ | |
2022 | - if (ftdi == NULL) | |
2023 | - ftdi_error_return(-1, "FTDI context invalid"); | |
2024 | - | |
2025 | - *chunksize = ftdi->readbuffer_chunksize; | |
2026 | - return 0; | |
2027 | -} | |
2028 | - | |
2029 | -/** | |
2030 | - Enable/disable bitbang modes. | |
2031 | - | |
2032 | - \param ftdi pointer to ftdi_context | |
2033 | - \param bitmask Bitmask to configure lines. | |
2034 | - HIGH/ON value configures a line as output. | |
2035 | - \param mode Bitbang mode: use the values defined in \ref ftdi_mpsse_mode | |
2036 | - | |
2037 | - \retval 0: all fine | |
2038 | - \retval -1: can't enable bitbang mode | |
2039 | - \retval -2: USB device unavailable | |
2040 | -*/ | |
2041 | -int ftdi_set_bitmode(struct ftdi_context *ftdi, unsigned char bitmask, unsigned char mode) | |
2042 | -{ | |
2043 | - unsigned short usb_val; | |
2044 | - | |
2045 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
2046 | - ftdi_error_return(-2, "USB device unavailable"); | |
2047 | - | |
2048 | - usb_val = bitmask; // low byte: bitmask | |
2049 | - usb_val |= (mode << 8); | |
2050 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_SET_BITMODE_REQUEST, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
2051 | - ftdi_error_return(-1, "unable to configure bitbang mode. Perhaps not a BM/2232C type chip?"); | |
2052 | - | |
2053 | - ftdi->bitbang_mode = mode; | |
2054 | - ftdi->bitbang_enabled = (mode == BITMODE_RESET) ? 0 : 1; | |
2055 | - return 0; | |
2056 | -} | |
2057 | - | |
2058 | -/** | |
2059 | - Disable bitbang mode. | |
2060 | - | |
2061 | - \param ftdi pointer to ftdi_context | |
2062 | - | |
2063 | - \retval 0: all fine | |
2064 | - \retval -1: can't disable bitbang mode | |
2065 | - \retval -2: USB device unavailable | |
2066 | -*/ | |
2067 | -int ftdi_disable_bitbang(struct ftdi_context *ftdi) | |
2068 | -{ | |
2069 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
2070 | - ftdi_error_return(-2, "USB device unavailable"); | |
2071 | - | |
2072 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_SET_BITMODE_REQUEST, 0, ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
2073 | - ftdi_error_return(-1, "unable to leave bitbang mode. Perhaps not a BM type chip?"); | |
2074 | - | |
2075 | - ftdi->bitbang_enabled = 0; | |
2076 | - return 0; | |
2077 | -} | |
2078 | - | |
2079 | - | |
2080 | -/** | |
2081 | - Directly read pin state, circumventing the read buffer. Useful for bitbang mode. | |
2082 | - | |
2083 | - \param ftdi pointer to ftdi_context | |
2084 | - \param pins Pointer to store pins into | |
2085 | - | |
2086 | - \retval 0: all fine | |
2087 | - \retval -1: read pins failed | |
2088 | - \retval -2: USB device unavailable | |
2089 | -*/ | |
2090 | -int ftdi_read_pins(struct ftdi_context *ftdi, unsigned char *pins) | |
2091 | -{ | |
2092 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
2093 | - ftdi_error_return(-2, "USB device unavailable"); | |
2094 | - | |
2095 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_READ_PINS_REQUEST, 0, ftdi->index, (unsigned char *)pins, 1, ftdi->usb_read_timeout) != 1) | |
2096 | - ftdi_error_return(-1, "read pins failed"); | |
2097 | - | |
2098 | - return 0; | |
2099 | -} | |
2100 | - | |
2101 | -/** | |
2102 | - Set latency timer | |
2103 | - | |
2104 | - The FTDI chip keeps data in the internal buffer for a specific | |
2105 | - amount of time if the buffer is not full yet to decrease | |
2106 | - load on the usb bus. | |
2107 | - | |
2108 | - \param ftdi pointer to ftdi_context | |
2109 | - \param latency Value between 1 and 255 | |
2110 | - | |
2111 | - \retval 0: all fine | |
2112 | - \retval -1: latency out of range | |
2113 | - \retval -2: unable to set latency timer | |
2114 | - \retval -3: USB device unavailable | |
2115 | -*/ | |
2116 | -int ftdi_set_latency_timer(struct ftdi_context *ftdi, unsigned char latency) | |
2117 | -{ | |
2118 | - unsigned short usb_val; | |
2119 | - | |
2120 | - if (latency < 1) | |
2121 | - ftdi_error_return(-1, "latency out of range. Only valid for 1-255"); | |
2122 | - | |
2123 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
2124 | - ftdi_error_return(-3, "USB device unavailable"); | |
2125 | - | |
2126 | - usb_val = latency; | |
2127 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_SET_LATENCY_TIMER_REQUEST, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
2128 | - ftdi_error_return(-2, "unable to set latency timer"); | |
2129 | - | |
2130 | - return 0; | |
2131 | -} | |
2132 | - | |
2133 | -/** | |
2134 | - Get latency timer | |
2135 | - | |
2136 | - \param ftdi pointer to ftdi_context | |
2137 | - \param latency Pointer to store latency value in | |
2138 | - | |
2139 | - \retval 0: all fine | |
2140 | - \retval -1: unable to get latency timer | |
2141 | - \retval -2: USB device unavailable | |
2142 | -*/ | |
2143 | -int ftdi_get_latency_timer(struct ftdi_context *ftdi, unsigned char *latency) | |
2144 | -{ | |
2145 | - unsigned short usb_val; | |
2146 | - | |
2147 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
2148 | - ftdi_error_return(-2, "USB device unavailable"); | |
2149 | - | |
2150 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_GET_LATENCY_TIMER_REQUEST, 0, ftdi->index, (unsigned char *)&usb_val, 1, ftdi->usb_read_timeout) != 1) | |
2151 | - ftdi_error_return(-1, "reading latency timer failed"); | |
2152 | - | |
2153 | - *latency = (unsigned char)usb_val; | |
2154 | - return 0; | |
2155 | -} | |
2156 | - | |
2157 | -/** | |
2158 | - Poll modem status information | |
2159 | - | |
2160 | - This function allows the retrieve the two status bytes of the device. | |
2161 | - The device sends these bytes also as a header for each read access | |
2162 | - where they are discarded by ftdi_read_data(). The chip generates | |
2163 | - the two stripped status bytes in the absence of data every 40 ms. | |
2164 | - | |
2165 | - Layout of the first byte: | |
2166 | - - B0..B3 - must be 0 | |
2167 | - - B4 Clear to send (CTS) | |
2168 | - 0 = inactive | |
2169 | - 1 = active | |
2170 | - - B5 Data set ready (DTS) | |
2171 | - 0 = inactive | |
2172 | - 1 = active | |
2173 | - - B6 Ring indicator (RI) | |
2174 | - 0 = inactive | |
2175 | - 1 = active | |
2176 | - - B7 Receive line signal detect (RLSD) | |
2177 | - 0 = inactive | |
2178 | - 1 = active | |
2179 | - | |
2180 | - Layout of the second byte: | |
2181 | - - B0 Data ready (DR) | |
2182 | - - B1 Overrun error (OE) | |
2183 | - - B2 Parity error (PE) | |
2184 | - - B3 Framing error (FE) | |
2185 | - - B4 Break interrupt (BI) | |
2186 | - - B5 Transmitter holding register (THRE) | |
2187 | - - B6 Transmitter empty (TEMT) | |
2188 | - - B7 Error in RCVR FIFO | |
2189 | - | |
2190 | - \param ftdi pointer to ftdi_context | |
2191 | - \param status Pointer to store status information in. Must be two bytes. | |
2192 | - | |
2193 | - \retval 0: all fine | |
2194 | - \retval -1: unable to retrieve status information | |
2195 | - \retval -2: USB device unavailable | |
2196 | -*/ | |
2197 | -int ftdi_poll_modem_status(struct ftdi_context *ftdi, unsigned short *status) | |
2198 | -{ | |
2199 | - char usb_val[2]; | |
2200 | - | |
2201 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
2202 | - ftdi_error_return(-2, "USB device unavailable"); | |
2203 | - | |
2204 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_POLL_MODEM_STATUS_REQUEST, 0, ftdi->index, (unsigned char *)usb_val, 2, ftdi->usb_read_timeout) != 2) | |
2205 | - ftdi_error_return(-1, "getting modem status failed"); | |
2206 | - | |
2207 | - *status = (usb_val[1] << 8) | (usb_val[0] & 0xFF); | |
2208 | - | |
2209 | - return 0; | |
2210 | -} | |
2211 | - | |
2212 | -/** | |
2213 | - Set flowcontrol for ftdi chip | |
2214 | - | |
2215 | - \param ftdi pointer to ftdi_context | |
2216 | - \param flowctrl flow control to use. should be | |
2217 | - SIO_DISABLE_FLOW_CTRL, SIO_RTS_CTS_HS, SIO_DTR_DSR_HS or SIO_XON_XOFF_HS | |
2218 | - | |
2219 | - \retval 0: all fine | |
2220 | - \retval -1: set flow control failed | |
2221 | - \retval -2: USB device unavailable | |
2222 | -*/ | |
2223 | -int ftdi_setflowctrl(struct ftdi_context *ftdi, int flowctrl) | |
2224 | -{ | |
2225 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
2226 | - ftdi_error_return(-2, "USB device unavailable"); | |
2227 | - | |
2228 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
2229 | - SIO_SET_FLOW_CTRL_REQUEST, 0, (flowctrl | ftdi->index), | |
2230 | - NULL, 0, ftdi->usb_write_timeout) < 0) | |
2231 | - ftdi_error_return(-1, "set flow control failed"); | |
2232 | - | |
2233 | - return 0; | |
2234 | -} | |
2235 | - | |
2236 | -/** | |
2237 | - Set dtr line | |
2238 | - | |
2239 | - \param ftdi pointer to ftdi_context | |
2240 | - \param state state to set line to (1 or 0) | |
2241 | - | |
2242 | - \retval 0: all fine | |
2243 | - \retval -1: set dtr failed | |
2244 | - \retval -2: USB device unavailable | |
2245 | -*/ | |
2246 | -int ftdi_setdtr(struct ftdi_context *ftdi, int state) | |
2247 | -{ | |
2248 | - unsigned short usb_val; | |
2249 | - | |
2250 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
2251 | - ftdi_error_return(-2, "USB device unavailable"); | |
2252 | - | |
2253 | - if (state) | |
2254 | - usb_val = SIO_SET_DTR_HIGH; | |
2255 | - else | |
2256 | - usb_val = SIO_SET_DTR_LOW; | |
2257 | - | |
2258 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
2259 | - SIO_SET_MODEM_CTRL_REQUEST, usb_val, ftdi->index, | |
2260 | - NULL, 0, ftdi->usb_write_timeout) < 0) | |
2261 | - ftdi_error_return(-1, "set dtr failed"); | |
2262 | - | |
2263 | - return 0; | |
2264 | -} | |
2265 | - | |
2266 | -/** | |
2267 | - Set rts line | |
2268 | - | |
2269 | - \param ftdi pointer to ftdi_context | |
2270 | - \param state state to set line to (1 or 0) | |
2271 | - | |
2272 | - \retval 0: all fine | |
2273 | - \retval -1: set rts failed | |
2274 | - \retval -2: USB device unavailable | |
2275 | -*/ | |
2276 | -int ftdi_setrts(struct ftdi_context *ftdi, int state) | |
2277 | -{ | |
2278 | - unsigned short usb_val; | |
2279 | - | |
2280 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
2281 | - ftdi_error_return(-2, "USB device unavailable"); | |
2282 | - | |
2283 | - if (state) | |
2284 | - usb_val = SIO_SET_RTS_HIGH; | |
2285 | - else | |
2286 | - usb_val = SIO_SET_RTS_LOW; | |
2287 | - | |
2288 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
2289 | - SIO_SET_MODEM_CTRL_REQUEST, usb_val, ftdi->index, | |
2290 | - NULL, 0, ftdi->usb_write_timeout) < 0) | |
2291 | - ftdi_error_return(-1, "set of rts failed"); | |
2292 | - | |
2293 | - return 0; | |
2294 | -} | |
2295 | - | |
2296 | -/** | |
2297 | - Set dtr and rts line in one pass | |
2298 | - | |
2299 | - \param ftdi pointer to ftdi_context | |
2300 | - \param dtr DTR state to set line to (1 or 0) | |
2301 | - \param rts RTS state to set line to (1 or 0) | |
2302 | - | |
2303 | - \retval 0: all fine | |
2304 | - \retval -1: set dtr/rts failed | |
2305 | - \retval -2: USB device unavailable | |
2306 | - */ | |
2307 | -int ftdi_setdtr_rts(struct ftdi_context *ftdi, int dtr, int rts) | |
2308 | -{ | |
2309 | - unsigned short usb_val; | |
2310 | - | |
2311 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
2312 | - ftdi_error_return(-2, "USB device unavailable"); | |
2313 | - | |
2314 | - if (dtr) | |
2315 | - usb_val = SIO_SET_DTR_HIGH; | |
2316 | - else | |
2317 | - usb_val = SIO_SET_DTR_LOW; | |
2318 | - | |
2319 | - if (rts) | |
2320 | - usb_val |= SIO_SET_RTS_HIGH; | |
2321 | - else | |
2322 | - usb_val |= SIO_SET_RTS_LOW; | |
2323 | - | |
2324 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
2325 | - SIO_SET_MODEM_CTRL_REQUEST, usb_val, ftdi->index, | |
2326 | - NULL, 0, ftdi->usb_write_timeout) < 0) | |
2327 | - ftdi_error_return(-1, "set of rts/dtr failed"); | |
2328 | - | |
2329 | - return 0; | |
2330 | -} | |
2331 | - | |
2332 | -/** | |
2333 | - Set the special event character | |
2334 | - | |
2335 | - \param ftdi pointer to ftdi_context | |
2336 | - \param eventch Event character | |
2337 | - \param enable 0 to disable the event character, non-zero otherwise | |
2338 | - | |
2339 | - \retval 0: all fine | |
2340 | - \retval -1: unable to set event character | |
2341 | - \retval -2: USB device unavailable | |
2342 | -*/ | |
2343 | -int ftdi_set_event_char(struct ftdi_context *ftdi, | |
2344 | - unsigned char eventch, unsigned char enable) | |
2345 | -{ | |
2346 | - unsigned short usb_val; | |
2347 | - | |
2348 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
2349 | - ftdi_error_return(-2, "USB device unavailable"); | |
2350 | - | |
2351 | - usb_val = eventch; | |
2352 | - if (enable) | |
2353 | - usb_val |= 1 << 8; | |
2354 | - | |
2355 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_SET_EVENT_CHAR_REQUEST, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
2356 | - ftdi_error_return(-1, "setting event character failed"); | |
2357 | - | |
2358 | - return 0; | |
2359 | -} | |
2360 | - | |
2361 | -/** | |
2362 | - Set error character | |
2363 | - | |
2364 | - \param ftdi pointer to ftdi_context | |
2365 | - \param errorch Error character | |
2366 | - \param enable 0 to disable the error character, non-zero otherwise | |
2367 | - | |
2368 | - \retval 0: all fine | |
2369 | - \retval -1: unable to set error character | |
2370 | - \retval -2: USB device unavailable | |
2371 | -*/ | |
2372 | -int ftdi_set_error_char(struct ftdi_context *ftdi, | |
2373 | - unsigned char errorch, unsigned char enable) | |
2374 | -{ | |
2375 | - unsigned short usb_val; | |
2376 | - | |
2377 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
2378 | - ftdi_error_return(-2, "USB device unavailable"); | |
2379 | - | |
2380 | - usb_val = errorch; | |
2381 | - if (enable) | |
2382 | - usb_val |= 1 << 8; | |
2383 | - | |
2384 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_SET_ERROR_CHAR_REQUEST, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
2385 | - ftdi_error_return(-1, "setting error character failed"); | |
2386 | - | |
2387 | - return 0; | |
2388 | -} | |
2389 | - | |
2390 | -/** | |
2391 | - Init eeprom with default values for the connected device | |
2392 | - \param ftdi pointer to ftdi_context | |
2393 | - \param manufacturer String to use as Manufacturer | |
2394 | - \param product String to use as Product description | |
2395 | - \param serial String to use as Serial number description | |
2396 | - | |
2397 | - \retval 0: all fine | |
2398 | - \retval -1: No struct ftdi_context | |
2399 | - \retval -2: No struct ftdi_eeprom | |
2400 | - \retval -3: No connected device or device not yet opened | |
2401 | -*/ | |
2402 | -int ftdi_eeprom_initdefaults(struct ftdi_context *ftdi, char * manufacturer, | |
2403 | - char * product, char * serial) | |
2404 | -{ | |
2405 | - struct ftdi_eeprom *eeprom; | |
2406 | - | |
2407 | - if (ftdi == NULL) | |
2408 | - ftdi_error_return(-1, "No struct ftdi_context"); | |
2409 | - | |
2410 | - if (ftdi->eeprom == NULL) | |
2411 | - ftdi_error_return(-2,"No struct ftdi_eeprom"); | |
2412 | - | |
2413 | - eeprom = ftdi->eeprom; | |
2414 | - memset(eeprom, 0, sizeof(struct ftdi_eeprom)); | |
2415 | - | |
2416 | - if (ftdi->usb_dev == NULL) | |
2417 | - ftdi_error_return(-3, "No connected device or device not yet opened"); | |
2418 | - | |
2419 | - eeprom->vendor_id = 0x0403; | |
2420 | - eeprom->use_serial = 1; | |
2421 | - if ((ftdi->type == TYPE_AM) || (ftdi->type == TYPE_BM) || | |
2422 | - (ftdi->type == TYPE_R)) | |
2423 | - eeprom->product_id = 0x6001; | |
2424 | - else if (ftdi->type == TYPE_4232H) | |
2425 | - eeprom->product_id = 0x6011; | |
2426 | - else if (ftdi->type == TYPE_232H) | |
2427 | - eeprom->product_id = 0x6014; | |
2428 | - else if (ftdi->type == TYPE_230X) | |
2429 | - eeprom->product_id = 0x6015; | |
2430 | - else | |
2431 | - eeprom->product_id = 0x6010; | |
2432 | - | |
2433 | - if (ftdi->type == TYPE_AM) | |
2434 | - eeprom->usb_version = 0x0101; | |
2435 | - else | |
2436 | - eeprom->usb_version = 0x0200; | |
2437 | - eeprom->max_power = 100; | |
2438 | - | |
2439 | - if (eeprom->manufacturer) | |
2440 | - free (eeprom->manufacturer); | |
2441 | - eeprom->manufacturer = NULL; | |
2442 | - if (manufacturer) | |
2443 | - { | |
2444 | - eeprom->manufacturer = malloc(strlen(manufacturer)+1); | |
2445 | - if (eeprom->manufacturer) | |
2446 | - strcpy(eeprom->manufacturer, manufacturer); | |
2447 | - } | |
2448 | - | |
2449 | - if (eeprom->product) | |
2450 | - free (eeprom->product); | |
2451 | - eeprom->product = NULL; | |
2452 | - if(product) | |
2453 | - { | |
2454 | - eeprom->product = malloc(strlen(product)+1); | |
2455 | - if (eeprom->product) | |
2456 | - strcpy(eeprom->product, product); | |
2457 | - } | |
2458 | - else | |
2459 | - { | |
2460 | - const char* default_product; | |
2461 | - switch(ftdi->type) | |
2462 | - { | |
2463 | - case TYPE_AM: default_product = "AM"; break; | |
2464 | - case TYPE_BM: default_product = "BM"; break; | |
2465 | - case TYPE_2232C: default_product = "Dual RS232"; break; | |
2466 | - case TYPE_R: default_product = "FT232R USB UART"; break; | |
2467 | - case TYPE_2232H: default_product = "Dual RS232-HS"; break; | |
2468 | - case TYPE_4232H: default_product = "FT4232H"; break; | |
2469 | - case TYPE_232H: default_product = "Single-RS232-HS"; break; | |
2470 | - case TYPE_230X: default_product = "FT230X Basic UART"; break; | |
2471 | - default: | |
2472 | - ftdi_error_return(-3, "Unknown chip type"); | |
2473 | - } | |
2474 | - eeprom->product = malloc(strlen(default_product) +1); | |
2475 | - if (eeprom->product) | |
2476 | - strcpy(eeprom->product, default_product); | |
2477 | - } | |
2478 | - | |
2479 | - if (eeprom->serial) | |
2480 | - free (eeprom->serial); | |
2481 | - eeprom->serial = NULL; | |
2482 | - if (serial) | |
2483 | - { | |
2484 | - eeprom->serial = malloc(strlen(serial)+1); | |
2485 | - if (eeprom->serial) | |
2486 | - strcpy(eeprom->serial, serial); | |
2487 | - } | |
2488 | - | |
2489 | - if (ftdi->type == TYPE_R) | |
2490 | - { | |
2491 | - eeprom->max_power = 90; | |
2492 | - eeprom->size = 0x80; | |
2493 | - eeprom->cbus_function[0] = CBUS_TXLED; | |
2494 | - eeprom->cbus_function[1] = CBUS_RXLED; | |
2495 | - eeprom->cbus_function[2] = CBUS_TXDEN; | |
2496 | - eeprom->cbus_function[3] = CBUS_PWREN; | |
2497 | - eeprom->cbus_function[4] = CBUS_SLEEP; | |
2498 | - } | |
2499 | - else if (ftdi->type == TYPE_230X) | |
2500 | - { | |
2501 | - eeprom->max_power = 90; | |
2502 | - eeprom->size = 0x100; | |
2503 | - eeprom->cbus_function[0] = CBUSX_TXDEN; | |
2504 | - eeprom->cbus_function[1] = CBUSX_RXLED; | |
2505 | - eeprom->cbus_function[2] = CBUSX_TXLED; | |
2506 | - eeprom->cbus_function[3] = CBUSX_SLEEP; | |
2507 | - } | |
2508 | - else | |
2509 | - { | |
2510 | - if(ftdi->type == TYPE_232H) | |
2511 | - { | |
2512 | - int i; | |
2513 | - for (i=0; i<10; i++) | |
2514 | - eeprom->cbus_function[i] = CBUSH_TRISTATE; | |
2515 | - } | |
2516 | - eeprom->size = -1; | |
2517 | - } | |
2518 | - switch (ftdi->type) | |
2519 | - { | |
2520 | - case TYPE_AM: | |
2521 | - eeprom->release_number = 0x0200; | |
2522 | - break; | |
2523 | - case TYPE_BM: | |
2524 | - eeprom->release_number = 0x0400; | |
2525 | - break; | |
2526 | - case TYPE_2232C: | |
2527 | - eeprom->release_number = 0x0500; | |
2528 | - break; | |
2529 | - case TYPE_R: | |
2530 | - eeprom->release_number = 0x0600; | |
2531 | - break; | |
2532 | - case TYPE_2232H: | |
2533 | - eeprom->release_number = 0x0700; | |
2534 | - break; | |
2535 | - case TYPE_4232H: | |
2536 | - eeprom->release_number = 0x0800; | |
2537 | - break; | |
2538 | - case TYPE_232H: | |
2539 | - eeprom->release_number = 0x0900; | |
2540 | - break; | |
2541 | - case TYPE_230X: | |
2542 | - eeprom->release_number = 0x1000; | |
2543 | - break; | |
2544 | - default: | |
2545 | - eeprom->release_number = 0x00; | |
2546 | - } | |
2547 | - return 0; | |
2548 | -} | |
2549 | - | |
2550 | -int ftdi_eeprom_set_strings(struct ftdi_context *ftdi, char * manufacturer, | |
2551 | - char * product, char * serial) | |
2552 | -{ | |
2553 | - struct ftdi_eeprom *eeprom; | |
2554 | - | |
2555 | - if (ftdi == NULL) | |
2556 | - ftdi_error_return(-1, "No struct ftdi_context"); | |
2557 | - | |
2558 | - if (ftdi->eeprom == NULL) | |
2559 | - ftdi_error_return(-2,"No struct ftdi_eeprom"); | |
2560 | - | |
2561 | - eeprom = ftdi->eeprom; | |
2562 | - | |
2563 | - if (ftdi->usb_dev == NULL) | |
2564 | - ftdi_error_return(-3, "No connected device or device not yet opened"); | |
2565 | - | |
2566 | - if (manufacturer) | |
2567 | - { | |
2568 | - if (eeprom->manufacturer) | |
2569 | - free (eeprom->manufacturer); | |
2570 | - eeprom->manufacturer = malloc(strlen(manufacturer)+1); | |
2571 | - if (eeprom->manufacturer) | |
2572 | - strcpy(eeprom->manufacturer, manufacturer); | |
2573 | - } | |
2574 | - | |
2575 | - if(product) | |
2576 | - { | |
2577 | - if (eeprom->product) | |
2578 | - free (eeprom->product); | |
2579 | - eeprom->product = malloc(strlen(product)+1); | |
2580 | - if (eeprom->product) | |
2581 | - strcpy(eeprom->product, product); | |
2582 | - } | |
2583 | - | |
2584 | - if (serial) | |
2585 | - { | |
2586 | - if (eeprom->serial) | |
2587 | - free (eeprom->serial); | |
2588 | - eeprom->serial = malloc(strlen(serial)+1); | |
2589 | - if (eeprom->serial) | |
2590 | - { | |
2591 | - strcpy(eeprom->serial, serial); | |
2592 | - eeprom->use_serial = 1; | |
2593 | - } | |
2594 | - } | |
2595 | - return 0; | |
2596 | -} | |
2597 | - | |
2598 | - | |
2599 | -/*FTD2XX doesn't check for values not fitting in the ACBUS Signal options*/ | |
2600 | -void set_ft232h_cbus(struct ftdi_eeprom *eeprom, unsigned char * output) | |
2601 | -{ | |
2602 | - int i; | |
2603 | - for(i=0; i<5; i++) | |
2604 | - { | |
2605 | - int mode_low, mode_high; | |
2606 | - if (eeprom->cbus_function[2*i]> CBUSH_CLK7_5) | |
2607 | - mode_low = CBUSH_TRISTATE; | |
2608 | - else | |
2609 | - mode_low = eeprom->cbus_function[2*i]; | |
2610 | - if (eeprom->cbus_function[2*i+1]> CBUSH_CLK7_5) | |
2611 | - mode_high = CBUSH_TRISTATE; | |
2612 | - else | |
2613 | - mode_high = eeprom->cbus_function[2*i+1]; | |
2614 | - | |
2615 | - output[0x18+i] = (mode_high <<4) | mode_low; | |
2616 | - } | |
2617 | -} | |
2618 | -/* Return the bits for the encoded EEPROM Structure of a requested Mode | |
2619 | - * | |
2620 | - */ | |
2621 | -static unsigned char type2bit(unsigned char type, enum ftdi_chip_type chip) | |
2622 | -{ | |
2623 | - switch (chip) | |
2624 | - { | |
2625 | - case TYPE_2232H: | |
2626 | - case TYPE_2232C: | |
2627 | - { | |
2628 | - switch (type) | |
2629 | - { | |
2630 | - case CHANNEL_IS_UART: return 0; | |
2631 | - case CHANNEL_IS_FIFO: return 0x01; | |
2632 | - case CHANNEL_IS_OPTO: return 0x02; | |
2633 | - case CHANNEL_IS_CPU : return 0x04; | |
2634 | - default: return 0; | |
2635 | - } | |
2636 | - } | |
2637 | - case TYPE_232H: | |
2638 | - { | |
2639 | - switch (type) | |
2640 | - { | |
2641 | - case CHANNEL_IS_UART : return 0; | |
2642 | - case CHANNEL_IS_FIFO : return 0x01; | |
2643 | - case CHANNEL_IS_OPTO : return 0x02; | |
2644 | - case CHANNEL_IS_CPU : return 0x04; | |
2645 | - case CHANNEL_IS_FT1284 : return 0x08; | |
2646 | - default: return 0; | |
2647 | - } | |
2648 | - } | |
2649 | - case TYPE_230X: /* FT230X is only UART */ | |
2650 | - default: return 0; | |
2651 | - } | |
2652 | - return 0; | |
2653 | -} | |
2654 | - | |
2655 | -/** | |
2656 | - Build binary buffer from ftdi_eeprom structure. | |
2657 | - Output is suitable for ftdi_write_eeprom(). | |
2658 | - | |
2659 | - \param ftdi pointer to ftdi_context | |
2660 | - | |
2661 | - \retval >=0: size of eeprom user area in bytes | |
2662 | - \retval -1: eeprom size (128 bytes) exceeded by custom strings | |
2663 | - \retval -2: Invalid eeprom or ftdi pointer | |
2664 | - \retval -3: Invalid cbus function setting (FIXME: Not in the code?) | |
2665 | - \retval -4: Chip doesn't support invert (FIXME: Not in the code?) | |
2666 | - \retval -5: Chip doesn't support high current drive (FIXME: Not in the code?) | |
2667 | - \retval -6: No connected EEPROM or EEPROM Type unknown | |
2668 | -*/ | |
2669 | -int ftdi_eeprom_build(struct ftdi_context *ftdi) | |
2670 | -{ | |
2671 | - unsigned char i, j, eeprom_size_mask; | |
2672 | - unsigned short checksum, value; | |
2673 | - unsigned char manufacturer_size = 0, product_size = 0, serial_size = 0; | |
2674 | - int user_area_size, free_start, free_end; | |
2675 | - struct ftdi_eeprom *eeprom; | |
2676 | - unsigned char * output; | |
2677 | - | |
2678 | - if (ftdi == NULL) | |
2679 | - ftdi_error_return(-2,"No context"); | |
2680 | - if (ftdi->eeprom == NULL) | |
2681 | - ftdi_error_return(-2,"No eeprom structure"); | |
2682 | - | |
2683 | - eeprom= ftdi->eeprom; | |
2684 | - output = eeprom->buf; | |
2685 | - | |
2686 | - if (eeprom->chip == -1) | |
2687 | - ftdi_error_return(-6,"No connected EEPROM or EEPROM type unknown"); | |
2688 | - | |
2689 | - if (eeprom->size == -1) | |
2690 | - { | |
2691 | - if ((eeprom->chip == 0x56) || (eeprom->chip == 0x66)) | |
2692 | - eeprom->size = 0x100; | |
2693 | - else | |
2694 | - eeprom->size = 0x80; | |
2695 | - } | |
2696 | - | |
2697 | - if (eeprom->manufacturer != NULL) | |
2698 | - manufacturer_size = strlen(eeprom->manufacturer); | |
2699 | - if (eeprom->product != NULL) | |
2700 | - product_size = strlen(eeprom->product); | |
2701 | - if (eeprom->serial != NULL) | |
2702 | - serial_size = strlen(eeprom->serial); | |
2703 | - | |
2704 | - // eeprom size check | |
2705 | - switch (ftdi->type) | |
2706 | - { | |
2707 | - case TYPE_AM: | |
2708 | - case TYPE_BM: | |
2709 | - case TYPE_R: | |
2710 | - user_area_size = 96; // base size for strings (total of 48 characters) | |
2711 | - break; | |
2712 | - case TYPE_2232C: | |
2713 | - user_area_size = 90; // two extra config bytes and 4 bytes PnP stuff | |
2714 | - break; | |
2715 | - case TYPE_230X: | |
2716 | - user_area_size = 88; // four extra config bytes + 4 bytes PnP stuff | |
2717 | - break; | |
2718 | - case TYPE_2232H: // six extra config bytes + 4 bytes PnP stuff | |
2719 | - case TYPE_4232H: | |
2720 | - user_area_size = 86; | |
2721 | - break; | |
2722 | - case TYPE_232H: | |
2723 | - user_area_size = 80; | |
2724 | - break; | |
2725 | - default: | |
2726 | - user_area_size = 0; | |
2727 | - break; | |
2728 | - } | |
2729 | - user_area_size -= (manufacturer_size + product_size + serial_size) * 2; | |
2730 | - | |
2731 | - if (user_area_size < 0) | |
2732 | - ftdi_error_return(-1,"eeprom size exceeded"); | |
2733 | - | |
2734 | - // empty eeprom | |
2735 | - if (ftdi->type == TYPE_230X) | |
2736 | - { | |
2737 | - /* FT230X have a reserved section in the middle of the MTP, | |
2738 | - which cannot be written to, but must be included in the checksum */ | |
2739 | - memset(ftdi->eeprom->buf, 0, 0x80); | |
2740 | - memset((ftdi->eeprom->buf + 0xa0), 0, (FTDI_MAX_EEPROM_SIZE - 0xa0)); | |
2741 | - } | |
2742 | - else | |
2743 | - { | |
2744 | - memset(ftdi->eeprom->buf, 0, FTDI_MAX_EEPROM_SIZE); | |
2745 | - } | |
2746 | - | |
2747 | - // Bytes and Bits set for all Types | |
2748 | - | |
2749 | - // Addr 02: Vendor ID | |
2750 | - output[0x02] = eeprom->vendor_id; | |
2751 | - output[0x03] = eeprom->vendor_id >> 8; | |
2752 | - | |
2753 | - // Addr 04: Product ID | |
2754 | - output[0x04] = eeprom->product_id; | |
2755 | - output[0x05] = eeprom->product_id >> 8; | |
2756 | - | |
2757 | - // Addr 06: Device release number (0400h for BM features) | |
2758 | - output[0x06] = eeprom->release_number; | |
2759 | - output[0x07] = eeprom->release_number >> 8; | |
2760 | - | |
2761 | - // Addr 08: Config descriptor | |
2762 | - // Bit 7: always 1 | |
2763 | - // Bit 6: 1 if this device is self powered, 0 if bus powered | |
2764 | - // Bit 5: 1 if this device uses remote wakeup | |
2765 | - // Bit 4-0: reserved - 0 | |
2766 | - j = 0x80; | |
2767 | - if (eeprom->self_powered) | |
2768 | - j |= 0x40; | |
2769 | - if (eeprom->remote_wakeup) | |
2770 | - j |= 0x20; | |
2771 | - output[0x08] = j; | |
2772 | - | |
2773 | - // Addr 09: Max power consumption: max power = value * 2 mA | |
2774 | - output[0x09] = eeprom->max_power / MAX_POWER_MILLIAMP_PER_UNIT; | |
2775 | - | |
2776 | - if ((ftdi->type != TYPE_AM) && (ftdi->type != TYPE_230X)) | |
2777 | - { | |
2778 | - // Addr 0A: Chip configuration | |
2779 | - // Bit 7: 0 - reserved | |
2780 | - // Bit 6: 0 - reserved | |
2781 | - // Bit 5: 0 - reserved | |
2782 | - // Bit 4: 1 - Change USB version | |
2783 | - // Bit 3: 1 - Use the serial number string | |
2784 | - // Bit 2: 1 - Enable suspend pull downs for lower power | |
2785 | - // Bit 1: 1 - Out EndPoint is Isochronous | |
2786 | - // Bit 0: 1 - In EndPoint is Isochronous | |
2787 | - // | |
2788 | - j = 0; | |
2789 | - if (eeprom->in_is_isochronous) | |
2790 | - j = j | 1; | |
2791 | - if (eeprom->out_is_isochronous) | |
2792 | - j = j | 2; | |
2793 | - output[0x0A] = j; | |
2794 | - } | |
2795 | - | |
2796 | - // Dynamic content | |
2797 | - // Strings start at 0x94 (TYPE_AM, TYPE_BM) | |
2798 | - // 0x96 (TYPE_2232C), 0x98 (TYPE_R) and 0x9a (TYPE_x232H) | |
2799 | - // 0xa0 (TYPE_232H) | |
2800 | - i = 0; | |
2801 | - switch (ftdi->type) | |
2802 | - { | |
2803 | - case TYPE_2232H: | |
2804 | - case TYPE_4232H: | |
2805 | - i += 2; | |
2806 | - case TYPE_R: | |
2807 | - i += 2; | |
2808 | - case TYPE_2232C: | |
2809 | - i += 2; | |
2810 | - case TYPE_AM: | |
2811 | - case TYPE_BM: | |
2812 | - i += 0x94; | |
2813 | - break; | |
2814 | - case TYPE_232H: | |
2815 | - case TYPE_230X: | |
2816 | - i = 0xa0; | |
2817 | - break; | |
2818 | - } | |
2819 | - /* Wrap around 0x80 for 128 byte EEPROMS (Internale and 93x46) */ | |
2820 | - eeprom_size_mask = eeprom->size -1; | |
2821 | - free_end = i & eeprom_size_mask; | |
2822 | - | |
2823 | - // Addr 0E: Offset of the manufacturer string + 0x80, calculated later | |
2824 | - // Addr 0F: Length of manufacturer string | |
2825 | - // Output manufacturer | |
2826 | - output[0x0E] = i; // calculate offset | |
2827 | - output[i & eeprom_size_mask] = manufacturer_size*2 + 2, i++; | |
2828 | - output[i & eeprom_size_mask] = 0x03, i++; // type: string | |
2829 | - for (j = 0; j < manufacturer_size; j++) | |
2830 | - { | |
2831 | - output[i & eeprom_size_mask] = eeprom->manufacturer[j], i++; | |
2832 | - output[i & eeprom_size_mask] = 0x00, i++; | |
2833 | - } | |
2834 | - output[0x0F] = manufacturer_size*2 + 2; | |
2835 | - | |
2836 | - // Addr 10: Offset of the product string + 0x80, calculated later | |
2837 | - // Addr 11: Length of product string | |
2838 | - output[0x10] = i | 0x80; // calculate offset | |
2839 | - output[i & eeprom_size_mask] = product_size*2 + 2, i++; | |
2840 | - output[i & eeprom_size_mask] = 0x03, i++; | |
2841 | - for (j = 0; j < product_size; j++) | |
2842 | - { | |
2843 | - output[i & eeprom_size_mask] = eeprom->product[j], i++; | |
2844 | - output[i & eeprom_size_mask] = 0x00, i++; | |
2845 | - } | |
2846 | - output[0x11] = product_size*2 + 2; | |
2847 | - | |
2848 | - // Addr 12: Offset of the serial string + 0x80, calculated later | |
2849 | - // Addr 13: Length of serial string | |
2850 | - output[0x12] = i | 0x80; // calculate offset | |
2851 | - output[i & eeprom_size_mask] = serial_size*2 + 2, i++; | |
2852 | - output[i & eeprom_size_mask] = 0x03, i++; | |
2853 | - for (j = 0; j < serial_size; j++) | |
2854 | - { | |
2855 | - output[i & eeprom_size_mask] = eeprom->serial[j], i++; | |
2856 | - output[i & eeprom_size_mask] = 0x00, i++; | |
2857 | - } | |
2858 | - | |
2859 | - // Legacy port name and PnP fields for FT2232 and newer chips | |
2860 | - if (ftdi->type > TYPE_BM) | |
2861 | - { | |
2862 | - output[i & eeprom_size_mask] = 0x02; /* as seen when written with FTD2XX */ | |
2863 | - i++; | |
2864 | - output[i & eeprom_size_mask] = 0x03; /* as seen when written with FTD2XX */ | |
2865 | - i++; | |
2866 | - output[i & eeprom_size_mask] = eeprom->is_not_pnp; /* as seen when written with FTD2XX */ | |
2867 | - i++; | |
2868 | - } | |
2869 | - | |
2870 | - output[0x13] = serial_size*2 + 2; | |
2871 | - | |
2872 | - if (ftdi->type > TYPE_AM) /* use_serial not used in AM devices */ | |
2873 | - { | |
2874 | - if (eeprom->use_serial) | |
2875 | - output[0x0A] |= USE_SERIAL_NUM; | |
2876 | - else | |
2877 | - output[0x0A] &= ~USE_SERIAL_NUM; | |
2878 | - } | |
2879 | - | |
2880 | - /* Bytes and Bits specific to (some) types | |
2881 | - Write linear, as this allows easier fixing*/ | |
2882 | - switch (ftdi->type) | |
2883 | - { | |
2884 | - case TYPE_AM: | |
2885 | - break; | |
2886 | - case TYPE_BM: | |
2887 | - output[0x0C] = eeprom->usb_version & 0xff; | |
2888 | - output[0x0D] = (eeprom->usb_version>>8) & 0xff; | |
2889 | - if (eeprom->use_usb_version) | |
2890 | - output[0x0A] |= USE_USB_VERSION_BIT; | |
2891 | - else | |
2892 | - output[0x0A] &= ~USE_USB_VERSION_BIT; | |
2893 | - | |
2894 | - break; | |
2895 | - case TYPE_2232C: | |
2896 | - | |
2897 | - output[0x00] = type2bit(eeprom->channel_a_type, TYPE_2232C); | |
2898 | - if ( eeprom->channel_a_driver == DRIVER_VCP) | |
2899 | - output[0x00] |= DRIVER_VCP; | |
2900 | - else | |
2901 | - output[0x00] &= ~DRIVER_VCP; | |
2902 | - | |
2903 | - if ( eeprom->high_current_a == HIGH_CURRENT_DRIVE) | |
2904 | - output[0x00] |= HIGH_CURRENT_DRIVE; | |
2905 | - else | |
2906 | - output[0x00] &= ~HIGH_CURRENT_DRIVE; | |
2907 | - | |
2908 | - output[0x01] = type2bit(eeprom->channel_b_type, TYPE_2232C); | |
2909 | - if ( eeprom->channel_b_driver == DRIVER_VCP) | |
2910 | - output[0x01] |= DRIVER_VCP; | |
2911 | - else | |
2912 | - output[0x01] &= ~DRIVER_VCP; | |
2913 | - | |
2914 | - if ( eeprom->high_current_b == HIGH_CURRENT_DRIVE) | |
2915 | - output[0x01] |= HIGH_CURRENT_DRIVE; | |
2916 | - else | |
2917 | - output[0x01] &= ~HIGH_CURRENT_DRIVE; | |
2918 | - | |
2919 | - if (eeprom->in_is_isochronous) | |
2920 | - output[0x0A] |= 0x1; | |
2921 | - else | |
2922 | - output[0x0A] &= ~0x1; | |
2923 | - if (eeprom->out_is_isochronous) | |
2924 | - output[0x0A] |= 0x2; | |
2925 | - else | |
2926 | - output[0x0A] &= ~0x2; | |
2927 | - if (eeprom->suspend_pull_downs) | |
2928 | - output[0x0A] |= 0x4; | |
2929 | - else | |
2930 | - output[0x0A] &= ~0x4; | |
2931 | - if (eeprom->use_usb_version) | |
2932 | - output[0x0A] |= USE_USB_VERSION_BIT; | |
2933 | - else | |
2934 | - output[0x0A] &= ~USE_USB_VERSION_BIT; | |
2935 | - | |
2936 | - output[0x0C] = eeprom->usb_version & 0xff; | |
2937 | - output[0x0D] = (eeprom->usb_version>>8) & 0xff; | |
2938 | - output[0x14] = eeprom->chip; | |
2939 | - break; | |
2940 | - case TYPE_R: | |
2941 | - if (eeprom->high_current == HIGH_CURRENT_DRIVE_R) | |
2942 | - output[0x00] |= HIGH_CURRENT_DRIVE_R; | |
2943 | - if (eeprom->external_oscillator) | |
2944 | - output[0x00] |= 0x02; | |
2945 | - output[0x01] = 0x40; /* Hard coded Endpoint Size*/ | |
2946 | - | |
2947 | - if (eeprom->suspend_pull_downs) | |
2948 | - output[0x0A] |= 0x4; | |
2949 | - else | |
2950 | - output[0x0A] &= ~0x4; | |
2951 | - output[0x0B] = eeprom->invert; | |
2952 | - output[0x0C] = eeprom->usb_version & 0xff; | |
2953 | - output[0x0D] = (eeprom->usb_version>>8) & 0xff; | |
2954 | - | |
2955 | - if (eeprom->cbus_function[0] > CBUS_BB_RD) | |
2956 | - output[0x14] = CBUS_TXLED; | |
2957 | - else | |
2958 | - output[0x14] = eeprom->cbus_function[0]; | |
2959 | - | |
2960 | - if (eeprom->cbus_function[1] > CBUS_BB_RD) | |
2961 | - output[0x14] |= CBUS_RXLED<<4; | |
2962 | - else | |
2963 | - output[0x14] |= eeprom->cbus_function[1]<<4; | |
2964 | - | |
2965 | - if (eeprom->cbus_function[2] > CBUS_BB_RD) | |
2966 | - output[0x15] = CBUS_TXDEN; | |
2967 | - else | |
2968 | - output[0x15] = eeprom->cbus_function[2]; | |
2969 | - | |
2970 | - if (eeprom->cbus_function[3] > CBUS_BB_RD) | |
2971 | - output[0x15] |= CBUS_PWREN<<4; | |
2972 | - else | |
2973 | - output[0x15] |= eeprom->cbus_function[3]<<4; | |
2974 | - | |
2975 | - if (eeprom->cbus_function[4] > CBUS_CLK6) | |
2976 | - output[0x16] = CBUS_SLEEP; | |
2977 | - else | |
2978 | - output[0x16] = eeprom->cbus_function[4]; | |
2979 | - break; | |
2980 | - case TYPE_2232H: | |
2981 | - output[0x00] = type2bit(eeprom->channel_a_type, TYPE_2232H); | |
2982 | - if ( eeprom->channel_a_driver == DRIVER_VCP) | |
2983 | - output[0x00] |= DRIVER_VCP; | |
2984 | - else | |
2985 | - output[0x00] &= ~DRIVER_VCP; | |
2986 | - | |
2987 | - output[0x01] = type2bit(eeprom->channel_b_type, TYPE_2232H); | |
2988 | - if ( eeprom->channel_b_driver == DRIVER_VCP) | |
2989 | - output[0x01] |= DRIVER_VCP; | |
2990 | - else | |
2991 | - output[0x01] &= ~DRIVER_VCP; | |
2992 | - if (eeprom->suspend_dbus7 == SUSPEND_DBUS7_BIT) | |
2993 | - output[0x01] |= SUSPEND_DBUS7_BIT; | |
2994 | - else | |
2995 | - output[0x01] &= ~SUSPEND_DBUS7_BIT; | |
2996 | - | |
2997 | - if (eeprom->suspend_pull_downs) | |
2998 | - output[0x0A] |= 0x4; | |
2999 | - else | |
3000 | - output[0x0A] &= ~0x4; | |
3001 | - | |
3002 | - if (eeprom->group0_drive > DRIVE_16MA) | |
3003 | - output[0x0c] |= DRIVE_16MA; | |
3004 | - else | |
3005 | - output[0x0c] |= eeprom->group0_drive; | |
3006 | - if (eeprom->group0_schmitt == IS_SCHMITT) | |
3007 | - output[0x0c] |= IS_SCHMITT; | |
3008 | - if (eeprom->group0_slew == SLOW_SLEW) | |
3009 | - output[0x0c] |= SLOW_SLEW; | |
3010 | - | |
3011 | - if (eeprom->group1_drive > DRIVE_16MA) | |
3012 | - output[0x0c] |= DRIVE_16MA<<4; | |
3013 | - else | |
3014 | - output[0x0c] |= eeprom->group1_drive<<4; | |
3015 | - if (eeprom->group1_schmitt == IS_SCHMITT) | |
3016 | - output[0x0c] |= IS_SCHMITT<<4; | |
3017 | - if (eeprom->group1_slew == SLOW_SLEW) | |
3018 | - output[0x0c] |= SLOW_SLEW<<4; | |
3019 | - | |
3020 | - if (eeprom->group2_drive > DRIVE_16MA) | |
3021 | - output[0x0d] |= DRIVE_16MA; | |
3022 | - else | |
3023 | - output[0x0d] |= eeprom->group2_drive; | |
3024 | - if (eeprom->group2_schmitt == IS_SCHMITT) | |
3025 | - output[0x0d] |= IS_SCHMITT; | |
3026 | - if (eeprom->group2_slew == SLOW_SLEW) | |
3027 | - output[0x0d] |= SLOW_SLEW; | |
3028 | - | |
3029 | - if (eeprom->group3_drive > DRIVE_16MA) | |
3030 | - output[0x0d] |= DRIVE_16MA<<4; | |
3031 | - else | |
3032 | - output[0x0d] |= eeprom->group3_drive<<4; | |
3033 | - if (eeprom->group3_schmitt == IS_SCHMITT) | |
3034 | - output[0x0d] |= IS_SCHMITT<<4; | |
3035 | - if (eeprom->group3_slew == SLOW_SLEW) | |
3036 | - output[0x0d] |= SLOW_SLEW<<4; | |
3037 | - | |
3038 | - output[0x18] = eeprom->chip; | |
3039 | - | |
3040 | - break; | |
3041 | - case TYPE_4232H: | |
3042 | - if (eeprom->channel_a_driver == DRIVER_VCP) | |
3043 | - output[0x00] |= DRIVER_VCP; | |
3044 | - else | |
3045 | - output[0x00] &= ~DRIVER_VCP; | |
3046 | - if (eeprom->channel_b_driver == DRIVER_VCP) | |
3047 | - output[0x01] |= DRIVER_VCP; | |
3048 | - else | |
3049 | - output[0x01] &= ~DRIVER_VCP; | |
3050 | - if (eeprom->channel_c_driver == DRIVER_VCP) | |
3051 | - output[0x00] |= (DRIVER_VCP << 4); | |
3052 | - else | |
3053 | - output[0x00] &= ~(DRIVER_VCP << 4); | |
3054 | - if (eeprom->channel_d_driver == DRIVER_VCP) | |
3055 | - output[0x01] |= (DRIVER_VCP << 4); | |
3056 | - else | |
3057 | - output[0x01] &= ~(DRIVER_VCP << 4); | |
3058 | - | |
3059 | - if (eeprom->suspend_pull_downs) | |
3060 | - output[0x0a] |= 0x4; | |
3061 | - else | |
3062 | - output[0x0a] &= ~0x4; | |
3063 | - | |
3064 | - if (eeprom->channel_a_rs485enable) | |
3065 | - output[0x0b] |= CHANNEL_IS_RS485 << 0; | |
3066 | - else | |
3067 | - output[0x0b] &= ~(CHANNEL_IS_RS485 << 0); | |
3068 | - if (eeprom->channel_b_rs485enable) | |
3069 | - output[0x0b] |= CHANNEL_IS_RS485 << 1; | |
3070 | - else | |
3071 | - output[0x0b] &= ~(CHANNEL_IS_RS485 << 1); | |
3072 | - if (eeprom->channel_c_rs485enable) | |
3073 | - output[0x0b] |= CHANNEL_IS_RS485 << 2; | |
3074 | - else | |
3075 | - output[0x0b] &= ~(CHANNEL_IS_RS485 << 2); | |
3076 | - if (eeprom->channel_d_rs485enable) | |
3077 | - output[0x0b] |= CHANNEL_IS_RS485 << 3; | |
3078 | - else | |
3079 | - output[0x0b] &= ~(CHANNEL_IS_RS485 << 3); | |
3080 | - | |
3081 | - if (eeprom->group0_drive > DRIVE_16MA) | |
3082 | - output[0x0c] |= DRIVE_16MA; | |
3083 | - else | |
3084 | - output[0x0c] |= eeprom->group0_drive; | |
3085 | - if (eeprom->group0_schmitt == IS_SCHMITT) | |
3086 | - output[0x0c] |= IS_SCHMITT; | |
3087 | - if (eeprom->group0_slew == SLOW_SLEW) | |
3088 | - output[0x0c] |= SLOW_SLEW; | |
3089 | - | |
3090 | - if (eeprom->group1_drive > DRIVE_16MA) | |
3091 | - output[0x0c] |= DRIVE_16MA<<4; | |
3092 | - else | |
3093 | - output[0x0c] |= eeprom->group1_drive<<4; | |
3094 | - if (eeprom->group1_schmitt == IS_SCHMITT) | |
3095 | - output[0x0c] |= IS_SCHMITT<<4; | |
3096 | - if (eeprom->group1_slew == SLOW_SLEW) | |
3097 | - output[0x0c] |= SLOW_SLEW<<4; | |
3098 | - | |
3099 | - if (eeprom->group2_drive > DRIVE_16MA) | |
3100 | - output[0x0d] |= DRIVE_16MA; | |
3101 | - else | |
3102 | - output[0x0d] |= eeprom->group2_drive; | |
3103 | - if (eeprom->group2_schmitt == IS_SCHMITT) | |
3104 | - output[0x0d] |= IS_SCHMITT; | |
3105 | - if (eeprom->group2_slew == SLOW_SLEW) | |
3106 | - output[0x0d] |= SLOW_SLEW; | |
3107 | - | |
3108 | - if (eeprom->group3_drive > DRIVE_16MA) | |
3109 | - output[0x0d] |= DRIVE_16MA<<4; | |
3110 | - else | |
3111 | - output[0x0d] |= eeprom->group3_drive<<4; | |
3112 | - if (eeprom->group3_schmitt == IS_SCHMITT) | |
3113 | - output[0x0d] |= IS_SCHMITT<<4; | |
3114 | - if (eeprom->group3_slew == SLOW_SLEW) | |
3115 | - output[0x0d] |= SLOW_SLEW<<4; | |
3116 | - | |
3117 | - output[0x18] = eeprom->chip; | |
3118 | - | |
3119 | - break; | |
3120 | - case TYPE_232H: | |
3121 | - output[0x00] = type2bit(eeprom->channel_a_type, TYPE_232H); | |
3122 | - if ( eeprom->channel_a_driver == DRIVER_VCP) | |
3123 | - output[0x00] |= DRIVER_VCPH; | |
3124 | - else | |
3125 | - output[0x00] &= ~DRIVER_VCPH; | |
3126 | - if (eeprom->powersave) | |
3127 | - output[0x01] |= POWER_SAVE_DISABLE_H; | |
3128 | - else | |
3129 | - output[0x01] &= ~POWER_SAVE_DISABLE_H; | |
3130 | - | |
3131 | - if (eeprom->suspend_pull_downs) | |
3132 | - output[0x0a] |= 0x4; | |
3133 | - else | |
3134 | - output[0x0a] &= ~0x4; | |
3135 | - | |
3136 | - if (eeprom->clock_polarity) | |
3137 | - output[0x01] |= FT1284_CLK_IDLE_STATE; | |
3138 | - else | |
3139 | - output[0x01] &= ~FT1284_CLK_IDLE_STATE; | |
3140 | - if (eeprom->data_order) | |
3141 | - output[0x01] |= FT1284_DATA_LSB; | |
3142 | - else | |
3143 | - output[0x01] &= ~FT1284_DATA_LSB; | |
3144 | - if (eeprom->flow_control) | |
3145 | - output[0x01] |= FT1284_FLOW_CONTROL; | |
3146 | - else | |
3147 | - output[0x01] &= ~FT1284_FLOW_CONTROL; | |
3148 | - if (eeprom->group0_drive > DRIVE_16MA) | |
3149 | - output[0x0c] |= DRIVE_16MA; | |
3150 | - else | |
3151 | - output[0x0c] |= eeprom->group0_drive; | |
3152 | - if (eeprom->group0_schmitt == IS_SCHMITT) | |
3153 | - output[0x0c] |= IS_SCHMITT; | |
3154 | - if (eeprom->group0_slew == SLOW_SLEW) | |
3155 | - output[0x0c] |= SLOW_SLEW; | |
3156 | - | |
3157 | - if (eeprom->group1_drive > DRIVE_16MA) | |
3158 | - output[0x0d] |= DRIVE_16MA; | |
3159 | - else | |
3160 | - output[0x0d] |= eeprom->group1_drive; | |
3161 | - if (eeprom->group1_schmitt == IS_SCHMITT) | |
3162 | - output[0x0d] |= IS_SCHMITT; | |
3163 | - if (eeprom->group1_slew == SLOW_SLEW) | |
3164 | - output[0x0d] |= SLOW_SLEW; | |
3165 | - | |
3166 | - set_ft232h_cbus(eeprom, output); | |
3167 | - | |
3168 | - output[0x1e] = eeprom->chip; | |
3169 | - fprintf(stderr,"FIXME: Build FT232H specific EEPROM settings\n"); | |
3170 | - break; | |
3171 | - case TYPE_230X: | |
3172 | - output[0x00] = 0x80; /* Actually, leave the default value */ | |
3173 | - output[0x0a] = 0x08; /* Enable USB Serial Number */ | |
3174 | - /*FIXME: Make DBUS & CBUS Control configurable*/ | |
3175 | - output[0x0c] = 0; /* DBUS drive 4mA, CBUS drive 4 mA like factory default */ | |
3176 | - for (j = 0; j <= 6; j++) | |
3177 | - { | |
3178 | - output[0x1a + j] = eeprom->cbus_function[j]; | |
3179 | - } | |
3180 | - output[0x0b] = eeprom->invert; | |
3181 | - break; | |
3182 | - } | |
3183 | - | |
3184 | - /* First address without use */ | |
3185 | - free_start = 0; | |
3186 | - switch (ftdi->type) | |
3187 | - { | |
3188 | - case TYPE_230X: | |
3189 | - free_start += 2; | |
3190 | - case TYPE_232H: | |
3191 | - free_start += 6; | |
3192 | - case TYPE_2232H: | |
3193 | - case TYPE_4232H: | |
3194 | - free_start += 2; | |
3195 | - case TYPE_R: | |
3196 | - free_start += 2; | |
3197 | - case TYPE_2232C: | |
3198 | - free_start++; | |
3199 | - case TYPE_AM: | |
3200 | - case TYPE_BM: | |
3201 | - free_start += 0x14; | |
3202 | - } | |
3203 | - | |
3204 | - /* Arbitrary user data */ | |
3205 | - if (eeprom->user_data && eeprom->user_data_size >= 0) | |
3206 | - { | |
3207 | - if (eeprom->user_data_addr < free_start) | |
3208 | - fprintf(stderr,"Warning, user data starts inside the generated data!\n"); | |
3209 | - if (eeprom->user_data_addr + eeprom->user_data_size >= free_end) | |
3210 | - fprintf(stderr,"Warning, user data overlaps the strings area!\n"); | |
3211 | - if (eeprom->user_data_addr + eeprom->user_data_size > eeprom->size) | |
3212 | - ftdi_error_return(-1,"eeprom size exceeded"); | |
3213 | - memcpy(output + eeprom->user_data_addr, eeprom->user_data, eeprom->user_data_size); | |
3214 | - } | |
3215 | - | |
3216 | - // calculate checksum | |
3217 | - checksum = 0xAAAA; | |
3218 | - | |
3219 | - for (i = 0; i < eeprom->size/2-1; i++) | |
3220 | - { | |
3221 | - if ((ftdi->type == TYPE_230X) && (i == 0x12)) | |
3222 | - { | |
3223 | - /* FT230X has a user section in the MTP which is not part of the checksum */ | |
3224 | - i = 0x40; | |
3225 | - } | |
3226 | - if ((ftdi->type == TYPE_230X) && (i >= 0x40) && (i < 0x50)) { | |
3227 | - uint16_t data; | |
3228 | - if (ftdi_read_eeprom_location(ftdi, i, &data)) { | |
3229 | - fprintf(stderr, "Reading Factory Configuration Data failed\n"); | |
3230 | - i = 0x50; | |
3231 | - } | |
3232 | - value = data; | |
3233 | - } | |
3234 | - else { | |
3235 | - value = output[i*2]; | |
3236 | - value += output[(i*2)+1] << 8; | |
3237 | - } | |
3238 | - checksum = value^checksum; | |
3239 | - checksum = (checksum << 1) | (checksum >> 15); | |
3240 | - } | |
3241 | - | |
3242 | - output[eeprom->size-2] = checksum; | |
3243 | - output[eeprom->size-1] = checksum >> 8; | |
3244 | - | |
3245 | - eeprom->initialized_for_connected_device = 1; | |
3246 | - return user_area_size; | |
3247 | -} | |
3248 | -/* Decode the encoded EEPROM field for the FTDI Mode into a value for the abstracted | |
3249 | - * EEPROM structure | |
3250 | - * | |
3251 | - * FTD2XX doesn't allow to set multiple bits in the interface mode bitfield, and so do we | |
3252 | - */ | |
3253 | -static unsigned char bit2type(unsigned char bits) | |
3254 | -{ | |
3255 | - switch (bits) | |
3256 | - { | |
3257 | - case 0: return CHANNEL_IS_UART; | |
3258 | - case 1: return CHANNEL_IS_FIFO; | |
3259 | - case 2: return CHANNEL_IS_OPTO; | |
3260 | - case 4: return CHANNEL_IS_CPU; | |
3261 | - case 8: return CHANNEL_IS_FT1284; | |
3262 | - default: | |
3263 | - fprintf(stderr," Unexpected value %d for Hardware Interface type\n", | |
3264 | - bits); | |
3265 | - } | |
3266 | - return 0; | |
3267 | -} | |
3268 | -/* Decode 230X / 232R type chips invert bits | |
3269 | - * Prints directly to stdout. | |
3270 | -*/ | |
3271 | -static void print_inverted_bits(int invert) | |
3272 | -{ | |
3273 | - char *r_bits[] = {"TXD","RXD","RTS","CTS","DTR","DSR","DCD","RI"}; | |
3274 | - int i; | |
3275 | - | |
3276 | - fprintf(stdout,"Inverted bits:"); | |
3277 | - for (i=0; i<8; i++) | |
3278 | - if ((invert & (1<<i)) == (1<<i)) | |
3279 | - fprintf(stdout," %s",r_bits[i]); | |
3280 | - | |
3281 | - fprintf(stdout,"\n"); | |
3282 | -} | |
3283 | -/** | |
3284 | - Decode binary EEPROM image into an ftdi_eeprom structure. | |
3285 | - | |
3286 | - For FT-X devices use AN_201 FT-X MTP memory Configuration to decode. | |
3287 | - | |
3288 | - \param ftdi pointer to ftdi_context | |
3289 | - \param verbose Decode EEPROM on stdout | |
3290 | - | |
3291 | - \retval 0: all fine | |
3292 | - \retval -1: something went wrong | |
3293 | - | |
3294 | - FIXME: How to pass size? How to handle size field in ftdi_eeprom? | |
3295 | - FIXME: Strings are malloc'ed here and should be freed somewhere | |
3296 | -*/ | |
3297 | -int ftdi_eeprom_decode(struct ftdi_context *ftdi, int verbose) | |
3298 | -{ | |
3299 | - int i, j; | |
3300 | - unsigned short checksum, eeprom_checksum, value; | |
3301 | - unsigned char manufacturer_size = 0, product_size = 0, serial_size = 0; | |
3302 | - int eeprom_size; | |
3303 | - struct ftdi_eeprom *eeprom; | |
3304 | - unsigned char *buf = NULL; | |
3305 | - | |
3306 | - if (ftdi == NULL) | |
3307 | - ftdi_error_return(-1,"No context"); | |
3308 | - if (ftdi->eeprom == NULL) | |
3309 | - ftdi_error_return(-1,"No eeprom structure"); | |
3310 | - | |
3311 | - eeprom = ftdi->eeprom; | |
3312 | - eeprom_size = eeprom->size; | |
3313 | - buf = ftdi->eeprom->buf; | |
3314 | - | |
3315 | - // Addr 02: Vendor ID | |
3316 | - eeprom->vendor_id = buf[0x02] + (buf[0x03] << 8); | |
3317 | - | |
3318 | - // Addr 04: Product ID | |
3319 | - eeprom->product_id = buf[0x04] + (buf[0x05] << 8); | |
3320 | - | |
3321 | - // Addr 06: Device release number | |
3322 | - eeprom->release_number = buf[0x06] + (buf[0x07]<<8); | |
3323 | - | |
3324 | - // Addr 08: Config descriptor | |
3325 | - // Bit 7: always 1 | |
3326 | - // Bit 6: 1 if this device is self powered, 0 if bus powered | |
3327 | - // Bit 5: 1 if this device uses remote wakeup | |
3328 | - eeprom->self_powered = buf[0x08] & 0x40; | |
3329 | - eeprom->remote_wakeup = buf[0x08] & 0x20; | |
3330 | - | |
3331 | - // Addr 09: Max power consumption: max power = value * 2 mA | |
3332 | - eeprom->max_power = MAX_POWER_MILLIAMP_PER_UNIT * buf[0x09]; | |
3333 | - | |
3334 | - // Addr 0A: Chip configuration | |
3335 | - // Bit 7: 0 - reserved | |
3336 | - // Bit 6: 0 - reserved | |
3337 | - // Bit 5: 0 - reserved | |
3338 | - // Bit 4: 1 - Change USB version on BM and 2232C | |
3339 | - // Bit 3: 1 - Use the serial number string | |
3340 | - // Bit 2: 1 - Enable suspend pull downs for lower power | |
3341 | - // Bit 1: 1 - Out EndPoint is Isochronous | |
3342 | - // Bit 0: 1 - In EndPoint is Isochronous | |
3343 | - // | |
3344 | - eeprom->in_is_isochronous = buf[0x0A]&0x01; | |
3345 | - eeprom->out_is_isochronous = buf[0x0A]&0x02; | |
3346 | - eeprom->suspend_pull_downs = buf[0x0A]&0x04; | |
3347 | - eeprom->use_serial = !!(buf[0x0A] & USE_SERIAL_NUM); | |
3348 | - eeprom->use_usb_version = !!(buf[0x0A] & USE_USB_VERSION_BIT); | |
3349 | - | |
3350 | - // Addr 0C: USB version low byte when 0x0A | |
3351 | - // Addr 0D: USB version high byte when 0x0A | |
3352 | - eeprom->usb_version = buf[0x0C] + (buf[0x0D] << 8); | |
3353 | - | |
3354 | - // Addr 0E: Offset of the manufacturer string + 0x80, calculated later | |
3355 | - // Addr 0F: Length of manufacturer string | |
3356 | - manufacturer_size = buf[0x0F]/2; | |
3357 | - if (eeprom->manufacturer) | |
3358 | - free(eeprom->manufacturer); | |
3359 | - if (manufacturer_size > 0) | |
3360 | - { | |
3361 | - eeprom->manufacturer = malloc(manufacturer_size); | |
3362 | - if (eeprom->manufacturer) | |
3363 | - { | |
3364 | - // Decode manufacturer | |
3365 | - i = buf[0x0E] & (eeprom_size -1); // offset | |
3366 | - for (j=0; j<manufacturer_size-1; j++) | |
3367 | - { | |
3368 | - eeprom->manufacturer[j] = buf[2*j+i+2]; | |
3369 | - } | |
3370 | - eeprom->manufacturer[j] = '\0'; | |
3371 | - } | |
3372 | - } | |
3373 | - else eeprom->manufacturer = NULL; | |
3374 | - | |
3375 | - // Addr 10: Offset of the product string + 0x80, calculated later | |
3376 | - // Addr 11: Length of product string | |
3377 | - if (eeprom->product) | |
3378 | - free(eeprom->product); | |
3379 | - product_size = buf[0x11]/2; | |
3380 | - if (product_size > 0) | |
3381 | - { | |
3382 | - eeprom->product = malloc(product_size); | |
3383 | - if (eeprom->product) | |
3384 | - { | |
3385 | - // Decode product name | |
3386 | - i = buf[0x10] & (eeprom_size -1); // offset | |
3387 | - for (j=0; j<product_size-1; j++) | |
3388 | - { | |
3389 | - eeprom->product[j] = buf[2*j+i+2]; | |
3390 | - } | |
3391 | - eeprom->product[j] = '\0'; | |
3392 | - } | |
3393 | - } | |
3394 | - else eeprom->product = NULL; | |
3395 | - | |
3396 | - // Addr 12: Offset of the serial string + 0x80, calculated later | |
3397 | - // Addr 13: Length of serial string | |
3398 | - if (eeprom->serial) | |
3399 | - free(eeprom->serial); | |
3400 | - serial_size = buf[0x13]/2; | |
3401 | - if (serial_size > 0) | |
3402 | - { | |
3403 | - eeprom->serial = malloc(serial_size); | |
3404 | - if (eeprom->serial) | |
3405 | - { | |
3406 | - // Decode serial | |
3407 | - i = buf[0x12] & (eeprom_size -1); // offset | |
3408 | - for (j=0; j<serial_size-1; j++) | |
3409 | - { | |
3410 | - eeprom->serial[j] = buf[2*j+i+2]; | |
3411 | - } | |
3412 | - eeprom->serial[j] = '\0'; | |
3413 | - } | |
3414 | - } | |
3415 | - else eeprom->serial = NULL; | |
3416 | - | |
3417 | - // verify checksum | |
3418 | - checksum = 0xAAAA; | |
3419 | - | |
3420 | - for (i = 0; i < eeprom_size/2-1; i++) | |
3421 | - { | |
3422 | - if ((ftdi->type == TYPE_230X) && (i == 0x12)) | |
3423 | - { | |
3424 | - /* FT230X has a user section in the MTP which is not part of the checksum */ | |
3425 | - i = 0x40; | |
3426 | - } | |
3427 | - value = buf[i*2]; | |
3428 | - value += buf[(i*2)+1] << 8; | |
3429 | - | |
3430 | - checksum = value^checksum; | |
3431 | - checksum = (checksum << 1) | (checksum >> 15); | |
3432 | - } | |
3433 | - | |
3434 | - eeprom_checksum = buf[eeprom_size-2] + (buf[eeprom_size-1] << 8); | |
3435 | - | |
3436 | - if (eeprom_checksum != checksum) | |
3437 | - { | |
3438 | - fprintf(stderr, "Checksum Error: %04x %04x\n", checksum, eeprom_checksum); | |
3439 | - ftdi_error_return(-1,"EEPROM checksum error"); | |
3440 | - } | |
3441 | - | |
3442 | - eeprom->channel_a_type = 0; | |
3443 | - if ((ftdi->type == TYPE_AM) || (ftdi->type == TYPE_BM)) | |
3444 | - { | |
3445 | - eeprom->chip = -1; | |
3446 | - } | |
3447 | - else if (ftdi->type == TYPE_2232C) | |
3448 | - { | |
3449 | - eeprom->channel_a_type = bit2type(buf[0x00] & 0x7); | |
3450 | - eeprom->channel_a_driver = buf[0x00] & DRIVER_VCP; | |
3451 | - eeprom->high_current_a = buf[0x00] & HIGH_CURRENT_DRIVE; | |
3452 | - eeprom->channel_b_type = buf[0x01] & 0x7; | |
3453 | - eeprom->channel_b_driver = buf[0x01] & DRIVER_VCP; | |
3454 | - eeprom->high_current_b = buf[0x01] & HIGH_CURRENT_DRIVE; | |
3455 | - eeprom->chip = buf[0x14]; | |
3456 | - } | |
3457 | - else if (ftdi->type == TYPE_R) | |
3458 | - { | |
3459 | - /* TYPE_R flags D2XX, not VCP as all others*/ | |
3460 | - eeprom->channel_a_driver = ~buf[0x00] & DRIVER_VCP; | |
3461 | - eeprom->high_current = buf[0x00] & HIGH_CURRENT_DRIVE_R; | |
3462 | - eeprom->external_oscillator = buf[0x00] & 0x02; | |
3463 | - if ( (buf[0x01]&0x40) != 0x40) | |
3464 | - fprintf(stderr, | |
3465 | - "TYPE_R EEPROM byte[0x01] Bit 6 unexpected Endpoint size." | |
3466 | - " If this happened with the\n" | |
3467 | - " EEPROM programmed by FTDI tools, please report " | |
3468 | - "to libftdi@developer.intra2net.com\n"); | |
3469 | - | |
3470 | - eeprom->chip = buf[0x16]; | |
3471 | - // Addr 0B: Invert data lines | |
3472 | - // Works only on FT232R, not FT245R, but no way to distinguish | |
3473 | - eeprom->invert = buf[0x0B]; | |
3474 | - // Addr 14: CBUS function: CBUS0, CBUS1 | |
3475 | - // Addr 15: CBUS function: CBUS2, CBUS3 | |
3476 | - // Addr 16: CBUS function: CBUS5 | |
3477 | - eeprom->cbus_function[0] = buf[0x14] & 0x0f; | |
3478 | - eeprom->cbus_function[1] = (buf[0x14] >> 4) & 0x0f; | |
3479 | - eeprom->cbus_function[2] = buf[0x15] & 0x0f; | |
3480 | - eeprom->cbus_function[3] = (buf[0x15] >> 4) & 0x0f; | |
3481 | - eeprom->cbus_function[4] = buf[0x16] & 0x0f; | |
3482 | - } | |
3483 | - else if ((ftdi->type == TYPE_2232H) || (ftdi->type == TYPE_4232H)) | |
3484 | - { | |
3485 | - eeprom->channel_a_driver = buf[0x00] & DRIVER_VCP; | |
3486 | - eeprom->channel_b_driver = buf[0x01] & DRIVER_VCP; | |
3487 | - | |
3488 | - if (ftdi->type == TYPE_2232H) | |
3489 | - { | |
3490 | - eeprom->channel_a_type = bit2type(buf[0x00] & 0x7); | |
3491 | - eeprom->channel_b_type = bit2type(buf[0x01] & 0x7); | |
3492 | - eeprom->suspend_dbus7 = buf[0x01] & SUSPEND_DBUS7_BIT; | |
3493 | - } | |
3494 | - else | |
3495 | - { | |
3496 | - eeprom->channel_c_driver = (buf[0x00] >> 4) & DRIVER_VCP; | |
3497 | - eeprom->channel_d_driver = (buf[0x01] >> 4) & DRIVER_VCP; | |
3498 | - eeprom->channel_a_rs485enable = buf[0x0b] & (CHANNEL_IS_RS485 << 0); | |
3499 | - eeprom->channel_b_rs485enable = buf[0x0b] & (CHANNEL_IS_RS485 << 1); | |
3500 | - eeprom->channel_c_rs485enable = buf[0x0b] & (CHANNEL_IS_RS485 << 2); | |
3501 | - eeprom->channel_d_rs485enable = buf[0x0b] & (CHANNEL_IS_RS485 << 3); | |
3502 | - } | |
3503 | - | |
3504 | - eeprom->chip = buf[0x18]; | |
3505 | - eeprom->group0_drive = buf[0x0c] & DRIVE_16MA; | |
3506 | - eeprom->group0_schmitt = buf[0x0c] & IS_SCHMITT; | |
3507 | - eeprom->group0_slew = buf[0x0c] & SLOW_SLEW; | |
3508 | - eeprom->group1_drive = (buf[0x0c] >> 4) & 0x3; | |
3509 | - eeprom->group1_schmitt = (buf[0x0c] >> 4) & IS_SCHMITT; | |
3510 | - eeprom->group1_slew = (buf[0x0c] >> 4) & SLOW_SLEW; | |
3511 | - eeprom->group2_drive = buf[0x0d] & DRIVE_16MA; | |
3512 | - eeprom->group2_schmitt = buf[0x0d] & IS_SCHMITT; | |
3513 | - eeprom->group2_slew = buf[0x0d] & SLOW_SLEW; | |
3514 | - eeprom->group3_drive = (buf[0x0d] >> 4) & DRIVE_16MA; | |
3515 | - eeprom->group3_schmitt = (buf[0x0d] >> 4) & IS_SCHMITT; | |
3516 | - eeprom->group3_slew = (buf[0x0d] >> 4) & SLOW_SLEW; | |
3517 | - } | |
3518 | - else if (ftdi->type == TYPE_232H) | |
3519 | - { | |
3520 | - eeprom->channel_a_type = buf[0x00] & 0xf; | |
3521 | - eeprom->channel_a_driver = (buf[0x00] & DRIVER_VCPH)?DRIVER_VCP:0; | |
3522 | - eeprom->clock_polarity = buf[0x01] & FT1284_CLK_IDLE_STATE; | |
3523 | - eeprom->data_order = buf[0x01] & FT1284_DATA_LSB; | |
3524 | - eeprom->flow_control = buf[0x01] & FT1284_FLOW_CONTROL; | |
3525 | - eeprom->powersave = buf[0x01] & POWER_SAVE_DISABLE_H; | |
3526 | - eeprom->group0_drive = buf[0x0c] & DRIVE_16MA; | |
3527 | - eeprom->group0_schmitt = buf[0x0c] & IS_SCHMITT; | |
3528 | - eeprom->group0_slew = buf[0x0c] & SLOW_SLEW; | |
3529 | - eeprom->group1_drive = buf[0x0d] & DRIVE_16MA; | |
3530 | - eeprom->group1_schmitt = buf[0x0d] & IS_SCHMITT; | |
3531 | - eeprom->group1_slew = buf[0x0d] & SLOW_SLEW; | |
3532 | - | |
3533 | - for(i=0; i<5; i++) | |
3534 | - { | |
3535 | - eeprom->cbus_function[2*i ] = buf[0x18+i] & 0x0f; | |
3536 | - eeprom->cbus_function[2*i+1] = (buf[0x18+i] >> 4) & 0x0f; | |
3537 | - } | |
3538 | - eeprom->chip = buf[0x1e]; | |
3539 | - /*FIXME: Decipher more values*/ | |
3540 | - } | |
3541 | - else if (ftdi->type == TYPE_230X) | |
3542 | - { | |
3543 | - for(i=0; i<4; i++) | |
3544 | - { | |
3545 | - eeprom->cbus_function[i] = buf[0x1a + i] & 0xFF; | |
3546 | - } | |
3547 | - eeprom->group0_drive = buf[0x0c] & 0x03; | |
3548 | - eeprom->group0_schmitt = buf[0x0c] & IS_SCHMITT; | |
3549 | - eeprom->group0_slew = buf[0x0c] & SLOW_SLEW; | |
3550 | - eeprom->group1_drive = (buf[0x0c] >> 4) & 0x03; | |
3551 | - eeprom->group1_schmitt = (buf[0x0c] >> 4) & IS_SCHMITT; | |
3552 | - eeprom->group1_slew = (buf[0x0c] >> 4) & SLOW_SLEW; | |
3553 | - | |
3554 | - eeprom->invert = buf[0xb]; | |
3555 | - } | |
3556 | - | |
3557 | - if (verbose) | |
3558 | - { | |
3559 | - char *channel_mode[] = {"UART", "FIFO", "CPU", "OPTO", "FT1284"}; | |
3560 | - fprintf(stdout, "VID: 0x%04x\n",eeprom->vendor_id); | |
3561 | - fprintf(stdout, "PID: 0x%04x\n",eeprom->product_id); | |
3562 | - fprintf(stdout, "Release: 0x%04x\n",eeprom->release_number); | |
3563 | - | |
3564 | - if (eeprom->self_powered) | |
3565 | - fprintf(stdout, "Self-Powered%s", (eeprom->remote_wakeup)?", USB Remote Wake Up\n":"\n"); | |
3566 | - else | |
3567 | - fprintf(stdout, "Bus Powered: %3d mA%s", eeprom->max_power, | |
3568 | - (eeprom->remote_wakeup)?" USB Remote Wake Up\n":"\n"); | |
3569 | - if (eeprom->manufacturer) | |
3570 | - fprintf(stdout, "Manufacturer: %s\n",eeprom->manufacturer); | |
3571 | - if (eeprom->product) | |
3572 | - fprintf(stdout, "Product: %s\n",eeprom->product); | |
3573 | - if (eeprom->serial) | |
3574 | - fprintf(stdout, "Serial: %s\n",eeprom->serial); | |
3575 | - fprintf(stdout, "Checksum : %04x\n", checksum); | |
3576 | - if (ftdi->type == TYPE_R) { | |
3577 | - fprintf(stdout, "Internal EEPROM\n"); | |
3578 | - fprintf(stdout,"Oscillator: %s\n", eeprom->external_oscillator?"External":"Internal"); | |
3579 | - } | |
3580 | - else if (eeprom->chip >= 0x46) | |
3581 | - fprintf(stdout, "Attached EEPROM: 93x%02x\n", eeprom->chip); | |
3582 | - if (eeprom->suspend_dbus7) | |
3583 | - fprintf(stdout, "Suspend on DBUS7\n"); | |
3584 | - if (eeprom->suspend_pull_downs) | |
3585 | - fprintf(stdout, "Pull IO pins low during suspend\n"); | |
3586 | - if(eeprom->powersave) | |
3587 | - { | |
3588 | - if(ftdi->type >= TYPE_232H) | |
3589 | - fprintf(stdout,"Enter low power state on ACBUS7\n"); | |
3590 | - } | |
3591 | - if (eeprom->remote_wakeup) | |
3592 | - fprintf(stdout, "Enable Remote Wake Up\n"); | |
3593 | - fprintf(stdout, "PNP: %d\n",(eeprom->is_not_pnp)?0:1); | |
3594 | - if (ftdi->type >= TYPE_2232C) | |
3595 | - fprintf(stdout,"Channel A has Mode %s%s%s\n", | |
3596 | - channel_mode[eeprom->channel_a_type], | |
3597 | - (eeprom->channel_a_driver)?" VCP":"", | |
3598 | - (eeprom->high_current_a)?" High Current IO":""); | |
3599 | - if (ftdi->type == TYPE_232H) | |
3600 | - { | |
3601 | - fprintf(stdout,"FT1284 Mode Clock is idle %s, %s first, %sFlow Control\n", | |
3602 | - (eeprom->clock_polarity)?"HIGH":"LOW", | |
3603 | - (eeprom->data_order)?"LSB":"MSB", | |
3604 | - (eeprom->flow_control)?"":"No "); | |
3605 | - } | |
3606 | - if ((ftdi->type == TYPE_2232H) || (ftdi->type == TYPE_4232H)) | |
3607 | - fprintf(stdout,"Channel B has Mode %s%s%s\n", | |
3608 | - channel_mode[eeprom->channel_b_type], | |
3609 | - (eeprom->channel_b_driver)?" VCP":"", | |
3610 | - (eeprom->high_current_b)?" High Current IO":""); | |
3611 | - if (((ftdi->type == TYPE_BM) || (ftdi->type == TYPE_2232C)) && | |
3612 | - eeprom->use_usb_version) | |
3613 | - fprintf(stdout,"Use explicit USB Version %04x\n",eeprom->usb_version); | |
3614 | - | |
3615 | - if ((ftdi->type == TYPE_2232H) || (ftdi->type == TYPE_4232H)) | |
3616 | - { | |
3617 | - fprintf(stdout,"%s has %d mA drive%s%s\n", | |
3618 | - (ftdi->type == TYPE_2232H)?"AL":"A", | |
3619 | - (eeprom->group0_drive+1) *4, | |
3620 | - (eeprom->group0_schmitt)?" Schmitt Input":"", | |
3621 | - (eeprom->group0_slew)?" Slow Slew":""); | |
3622 | - fprintf(stdout,"%s has %d mA drive%s%s\n", | |
3623 | - (ftdi->type == TYPE_2232H)?"AH":"B", | |
3624 | - (eeprom->group1_drive+1) *4, | |
3625 | - (eeprom->group1_schmitt)?" Schmitt Input":"", | |
3626 | - (eeprom->group1_slew)?" Slow Slew":""); | |
3627 | - fprintf(stdout,"%s has %d mA drive%s%s\n", | |
3628 | - (ftdi->type == TYPE_2232H)?"BL":"C", | |
3629 | - (eeprom->group2_drive+1) *4, | |
3630 | - (eeprom->group2_schmitt)?" Schmitt Input":"", | |
3631 | - (eeprom->group2_slew)?" Slow Slew":""); | |
3632 | - fprintf(stdout,"%s has %d mA drive%s%s\n", | |
3633 | - (ftdi->type == TYPE_2232H)?"BH":"D", | |
3634 | - (eeprom->group3_drive+1) *4, | |
3635 | - (eeprom->group3_schmitt)?" Schmitt Input":"", | |
3636 | - (eeprom->group3_slew)?" Slow Slew":""); | |
3637 | - } | |
3638 | - else if (ftdi->type == TYPE_232H) | |
3639 | - { | |
3640 | - char *cbush_mux[] = {"TRISTATE","TXLED","RXLED", "TXRXLED","PWREN", | |
3641 | - "SLEEP","DRIVE_0","DRIVE_1","IOMODE","TXDEN", | |
3642 | - "CLK30","CLK15","CLK7_5" | |
3643 | - }; | |
3644 | - fprintf(stdout,"ACBUS has %d mA drive%s%s\n", | |
3645 | - (eeprom->group0_drive+1) *4, | |
3646 | - (eeprom->group0_schmitt)?" Schmitt Input":"", | |
3647 | - (eeprom->group0_slew)?" Slow Slew":""); | |
3648 | - fprintf(stdout,"ADBUS has %d mA drive%s%s\n", | |
3649 | - (eeprom->group1_drive+1) *4, | |
3650 | - (eeprom->group1_schmitt)?" Schmitt Input":"", | |
3651 | - (eeprom->group1_slew)?" Slow Slew":""); | |
3652 | - for (i=0; i<10; i++) | |
3653 | - { | |
3654 | - if (eeprom->cbus_function[i]<= CBUSH_CLK7_5 ) | |
3655 | - fprintf(stdout,"C%d Function: %s\n", i, | |
3656 | - cbush_mux[eeprom->cbus_function[i]]); | |
3657 | - } | |
3658 | - } | |
3659 | - else if (ftdi->type == TYPE_230X) | |
3660 | - { | |
3661 | - char *cbusx_mux[] = {"TRISTATE","TXLED","RXLED", "TXRXLED","PWREN", | |
3662 | - "SLEEP","DRIVE_0","DRIVE_1","IOMODE","TXDEN", | |
3663 | - "CLK24","CLK12","CLK6","BAT_DETECT","BAT_DETECT#", | |
3664 | - "I2C_TXE#", "I2C_RXF#", "VBUS_SENSE", "BB_WR#", | |
3665 | - "BBRD#", "TIME_STAMP", "AWAKE#", | |
3666 | - }; | |
3667 | - fprintf(stdout,"DBUS has %d mA drive%s%s\n", | |
3668 | - (eeprom->group0_drive+1) *4, | |
3669 | - (eeprom->group0_schmitt)?" Schmitt Input":"", | |
3670 | - (eeprom->group0_slew)?" Slow Slew":""); | |
3671 | - fprintf(stdout,"CBUS has %d mA drive%s%s\n", | |
3672 | - (eeprom->group1_drive+1) *4, | |
3673 | - (eeprom->group1_schmitt)?" Schmitt Input":"", | |
3674 | - (eeprom->group1_slew)?" Slow Slew":""); | |
3675 | - for (i=0; i<4; i++) | |
3676 | - { | |
3677 | - if (eeprom->cbus_function[i]<= CBUSX_AWAKE) | |
3678 | - fprintf(stdout,"CBUS%d Function: %s\n", i, cbusx_mux[eeprom->cbus_function[i]]); | |
3679 | - } | |
3680 | - | |
3681 | - if (eeprom->invert) | |
3682 | - print_inverted_bits(eeprom->invert); | |
3683 | - } | |
3684 | - | |
3685 | - if (ftdi->type == TYPE_R) | |
3686 | - { | |
3687 | - char *cbus_mux[] = {"TXDEN","PWREN","RXLED", "TXLED","TX+RXLED", | |
3688 | - "SLEEP","CLK48","CLK24","CLK12","CLK6", | |
3689 | - "IOMODE","BB_WR","BB_RD" | |
3690 | - }; | |
3691 | - char *cbus_BB[] = {"RXF","TXE","RD", "WR"}; | |
3692 | - | |
3693 | - if (eeprom->invert) | |
3694 | - print_inverted_bits(eeprom->invert); | |
3695 | - | |
3696 | - for (i=0; i<5; i++) | |
3697 | - { | |
3698 | - if (eeprom->cbus_function[i]<=CBUS_BB_RD) | |
3699 | - fprintf(stdout,"C%d Function: %s\n", i, | |
3700 | - cbus_mux[eeprom->cbus_function[i]]); | |
3701 | - else | |
3702 | - { | |
3703 | - if (i < 4) | |
3704 | - /* Running MPROG show that C0..3 have fixed function Synchronous | |
3705 | - Bit Bang mode */ | |
3706 | - fprintf(stdout,"C%d BB Function: %s\n", i, | |
3707 | - cbus_BB[i]); | |
3708 | - else | |
3709 | - fprintf(stdout, "Unknown CBUS mode. Might be special mode?\n"); | |
3710 | - } | |
3711 | - } | |
3712 | - } | |
3713 | - } | |
3714 | - return 0; | |
3715 | -} | |
3716 | - | |
3717 | -/** | |
3718 | - Get a value from the decoded EEPROM structure | |
3719 | - | |
3720 | - \param ftdi pointer to ftdi_context | |
3721 | - \param value_name Enum of the value to query | |
3722 | - \param value Pointer to store read value | |
3723 | - | |
3724 | - \retval 0: all fine | |
3725 | - \retval -1: Value doesn't exist | |
3726 | -*/ | |
3727 | -int ftdi_get_eeprom_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value value_name, int* value) | |
3728 | -{ | |
3729 | - switch (value_name) | |
3730 | - { | |
3731 | - case VENDOR_ID: | |
3732 | - *value = ftdi->eeprom->vendor_id; | |
3733 | - break; | |
3734 | - case PRODUCT_ID: | |
3735 | - *value = ftdi->eeprom->product_id; | |
3736 | - break; | |
3737 | - case RELEASE_NUMBER: | |
3738 | - *value = ftdi->eeprom->release_number; | |
3739 | - break; | |
3740 | - case SELF_POWERED: | |
3741 | - *value = ftdi->eeprom->self_powered; | |
3742 | - break; | |
3743 | - case REMOTE_WAKEUP: | |
3744 | - *value = ftdi->eeprom->remote_wakeup; | |
3745 | - break; | |
3746 | - case IS_NOT_PNP: | |
3747 | - *value = ftdi->eeprom->is_not_pnp; | |
3748 | - break; | |
3749 | - case SUSPEND_DBUS7: | |
3750 | - *value = ftdi->eeprom->suspend_dbus7; | |
3751 | - break; | |
3752 | - case IN_IS_ISOCHRONOUS: | |
3753 | - *value = ftdi->eeprom->in_is_isochronous; | |
3754 | - break; | |
3755 | - case OUT_IS_ISOCHRONOUS: | |
3756 | - *value = ftdi->eeprom->out_is_isochronous; | |
3757 | - break; | |
3758 | - case SUSPEND_PULL_DOWNS: | |
3759 | - *value = ftdi->eeprom->suspend_pull_downs; | |
3760 | - break; | |
3761 | - case USE_SERIAL: | |
3762 | - *value = ftdi->eeprom->use_serial; | |
3763 | - break; | |
3764 | - case USB_VERSION: | |
3765 | - *value = ftdi->eeprom->usb_version; | |
3766 | - break; | |
3767 | - case USE_USB_VERSION: | |
3768 | - *value = ftdi->eeprom->use_usb_version; | |
3769 | - break; | |
3770 | - case MAX_POWER: | |
3771 | - *value = ftdi->eeprom->max_power; | |
3772 | - break; | |
3773 | - case CHANNEL_A_TYPE: | |
3774 | - *value = ftdi->eeprom->channel_a_type; | |
3775 | - break; | |
3776 | - case CHANNEL_B_TYPE: | |
3777 | - *value = ftdi->eeprom->channel_b_type; | |
3778 | - break; | |
3779 | - case CHANNEL_A_DRIVER: | |
3780 | - *value = ftdi->eeprom->channel_a_driver; | |
3781 | - break; | |
3782 | - case CHANNEL_B_DRIVER: | |
3783 | - *value = ftdi->eeprom->channel_b_driver; | |
3784 | - break; | |
3785 | - case CHANNEL_C_DRIVER: | |
3786 | - *value = ftdi->eeprom->channel_c_driver; | |
3787 | - break; | |
3788 | - case CHANNEL_D_DRIVER: | |
3789 | - *value = ftdi->eeprom->channel_d_driver; | |
3790 | - break; | |
3791 | - case CHANNEL_A_RS485: | |
3792 | - *value = ftdi->eeprom->channel_a_rs485enable; | |
3793 | - break; | |
3794 | - case CHANNEL_B_RS485: | |
3795 | - *value = ftdi->eeprom->channel_b_rs485enable; | |
3796 | - break; | |
3797 | - case CHANNEL_C_RS485: | |
3798 | - *value = ftdi->eeprom->channel_c_rs485enable; | |
3799 | - break; | |
3800 | - case CHANNEL_D_RS485: | |
3801 | - *value = ftdi->eeprom->channel_d_rs485enable; | |
3802 | - break; | |
3803 | - case CBUS_FUNCTION_0: | |
3804 | - *value = ftdi->eeprom->cbus_function[0]; | |
3805 | - break; | |
3806 | - case CBUS_FUNCTION_1: | |
3807 | - *value = ftdi->eeprom->cbus_function[1]; | |
3808 | - break; | |
3809 | - case CBUS_FUNCTION_2: | |
3810 | - *value = ftdi->eeprom->cbus_function[2]; | |
3811 | - break; | |
3812 | - case CBUS_FUNCTION_3: | |
3813 | - *value = ftdi->eeprom->cbus_function[3]; | |
3814 | - break; | |
3815 | - case CBUS_FUNCTION_4: | |
3816 | - *value = ftdi->eeprom->cbus_function[4]; | |
3817 | - break; | |
3818 | - case CBUS_FUNCTION_5: | |
3819 | - *value = ftdi->eeprom->cbus_function[5]; | |
3820 | - break; | |
3821 | - case CBUS_FUNCTION_6: | |
3822 | - *value = ftdi->eeprom->cbus_function[6]; | |
3823 | - break; | |
3824 | - case CBUS_FUNCTION_7: | |
3825 | - *value = ftdi->eeprom->cbus_function[7]; | |
3826 | - break; | |
3827 | - case CBUS_FUNCTION_8: | |
3828 | - *value = ftdi->eeprom->cbus_function[8]; | |
3829 | - break; | |
3830 | - case CBUS_FUNCTION_9: | |
3831 | - *value = ftdi->eeprom->cbus_function[9]; | |
3832 | - break; | |
3833 | - case HIGH_CURRENT: | |
3834 | - *value = ftdi->eeprom->high_current; | |
3835 | - break; | |
3836 | - case HIGH_CURRENT_A: | |
3837 | - *value = ftdi->eeprom->high_current_a; | |
3838 | - break; | |
3839 | - case HIGH_CURRENT_B: | |
3840 | - *value = ftdi->eeprom->high_current_b; | |
3841 | - break; | |
3842 | - case INVERT: | |
3843 | - *value = ftdi->eeprom->invert; | |
3844 | - break; | |
3845 | - case GROUP0_DRIVE: | |
3846 | - *value = ftdi->eeprom->group0_drive; | |
3847 | - break; | |
3848 | - case GROUP0_SCHMITT: | |
3849 | - *value = ftdi->eeprom->group0_schmitt; | |
3850 | - break; | |
3851 | - case GROUP0_SLEW: | |
3852 | - *value = ftdi->eeprom->group0_slew; | |
3853 | - break; | |
3854 | - case GROUP1_DRIVE: | |
3855 | - *value = ftdi->eeprom->group1_drive; | |
3856 | - break; | |
3857 | - case GROUP1_SCHMITT: | |
3858 | - *value = ftdi->eeprom->group1_schmitt; | |
3859 | - break; | |
3860 | - case GROUP1_SLEW: | |
3861 | - *value = ftdi->eeprom->group1_slew; | |
3862 | - break; | |
3863 | - case GROUP2_DRIVE: | |
3864 | - *value = ftdi->eeprom->group2_drive; | |
3865 | - break; | |
3866 | - case GROUP2_SCHMITT: | |
3867 | - *value = ftdi->eeprom->group2_schmitt; | |
3868 | - break; | |
3869 | - case GROUP2_SLEW: | |
3870 | - *value = ftdi->eeprom->group2_slew; | |
3871 | - break; | |
3872 | - case GROUP3_DRIVE: | |
3873 | - *value = ftdi->eeprom->group3_drive; | |
3874 | - break; | |
3875 | - case GROUP3_SCHMITT: | |
3876 | - *value = ftdi->eeprom->group3_schmitt; | |
3877 | - break; | |
3878 | - case GROUP3_SLEW: | |
3879 | - *value = ftdi->eeprom->group3_slew; | |
3880 | - break; | |
3881 | - case POWER_SAVE: | |
3882 | - *value = ftdi->eeprom->powersave; | |
3883 | - break; | |
3884 | - case CLOCK_POLARITY: | |
3885 | - *value = ftdi->eeprom->clock_polarity; | |
3886 | - break; | |
3887 | - case DATA_ORDER: | |
3888 | - *value = ftdi->eeprom->data_order; | |
3889 | - break; | |
3890 | - case FLOW_CONTROL: | |
3891 | - *value = ftdi->eeprom->flow_control; | |
3892 | - break; | |
3893 | - case CHIP_TYPE: | |
3894 | - *value = ftdi->eeprom->chip; | |
3895 | - break; | |
3896 | - case CHIP_SIZE: | |
3897 | - *value = ftdi->eeprom->size; | |
3898 | - break; | |
3899 | - case EXTERNAL_OSCILLATOR: | |
3900 | - *value = ftdi->eeprom->external_oscillator; | |
3901 | - break; | |
3902 | - default: | |
3903 | - ftdi_error_return(-1, "Request for unknown EEPROM value"); | |
3904 | - } | |
3905 | - return 0; | |
3906 | -} | |
3907 | - | |
3908 | -/** | |
3909 | - Set a value in the decoded EEPROM Structure | |
3910 | - No parameter checking is performed | |
3911 | - | |
3912 | - \param ftdi pointer to ftdi_context | |
3913 | - \param value_name Enum of the value to set | |
3914 | - \param value to set | |
3915 | - | |
3916 | - \retval 0: all fine | |
3917 | - \retval -1: Value doesn't exist | |
3918 | - \retval -2: Value not user settable | |
3919 | -*/ | |
3920 | -int ftdi_set_eeprom_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value value_name, int value) | |
3921 | -{ | |
3922 | - switch (value_name) | |
3923 | - { | |
3924 | - case VENDOR_ID: | |
3925 | - ftdi->eeprom->vendor_id = value; | |
3926 | - break; | |
3927 | - case PRODUCT_ID: | |
3928 | - ftdi->eeprom->product_id = value; | |
3929 | - break; | |
3930 | - case RELEASE_NUMBER: | |
3931 | - ftdi->eeprom->release_number = value; | |
3932 | - break; | |
3933 | - case SELF_POWERED: | |
3934 | - ftdi->eeprom->self_powered = value; | |
3935 | - break; | |
3936 | - case REMOTE_WAKEUP: | |
3937 | - ftdi->eeprom->remote_wakeup = value; | |
3938 | - break; | |
3939 | - case IS_NOT_PNP: | |
3940 | - ftdi->eeprom->is_not_pnp = value; | |
3941 | - break; | |
3942 | - case SUSPEND_DBUS7: | |
3943 | - ftdi->eeprom->suspend_dbus7 = value; | |
3944 | - break; | |
3945 | - case IN_IS_ISOCHRONOUS: | |
3946 | - ftdi->eeprom->in_is_isochronous = value; | |
3947 | - break; | |
3948 | - case OUT_IS_ISOCHRONOUS: | |
3949 | - ftdi->eeprom->out_is_isochronous = value; | |
3950 | - break; | |
3951 | - case SUSPEND_PULL_DOWNS: | |
3952 | - ftdi->eeprom->suspend_pull_downs = value; | |
3953 | - break; | |
3954 | - case USE_SERIAL: | |
3955 | - ftdi->eeprom->use_serial = value; | |
3956 | - break; | |
3957 | - case USB_VERSION: | |
3958 | - ftdi->eeprom->usb_version = value; | |
3959 | - break; | |
3960 | - case USE_USB_VERSION: | |
3961 | - ftdi->eeprom->use_usb_version = value; | |
3962 | - break; | |
3963 | - case MAX_POWER: | |
3964 | - ftdi->eeprom->max_power = value; | |
3965 | - break; | |
3966 | - case CHANNEL_A_TYPE: | |
3967 | - ftdi->eeprom->channel_a_type = value; | |
3968 | - break; | |
3969 | - case CHANNEL_B_TYPE: | |
3970 | - ftdi->eeprom->channel_b_type = value; | |
3971 | - break; | |
3972 | - case CHANNEL_A_DRIVER: | |
3973 | - ftdi->eeprom->channel_a_driver = value; | |
3974 | - break; | |
3975 | - case CHANNEL_B_DRIVER: | |
3976 | - ftdi->eeprom->channel_b_driver = value; | |
3977 | - break; | |
3978 | - case CHANNEL_C_DRIVER: | |
3979 | - ftdi->eeprom->channel_c_driver = value; | |
3980 | - break; | |
3981 | - case CHANNEL_D_DRIVER: | |
3982 | - ftdi->eeprom->channel_d_driver = value; | |
3983 | - break; | |
3984 | - case CHANNEL_A_RS485: | |
3985 | - ftdi->eeprom->channel_a_rs485enable = value; | |
3986 | - break; | |
3987 | - case CHANNEL_B_RS485: | |
3988 | - ftdi->eeprom->channel_b_rs485enable = value; | |
3989 | - break; | |
3990 | - case CHANNEL_C_RS485: | |
3991 | - ftdi->eeprom->channel_c_rs485enable = value; | |
3992 | - break; | |
3993 | - case CHANNEL_D_RS485: | |
3994 | - ftdi->eeprom->channel_d_rs485enable = value; | |
3995 | - break; | |
3996 | - case CBUS_FUNCTION_0: | |
3997 | - ftdi->eeprom->cbus_function[0] = value; | |
3998 | - break; | |
3999 | - case CBUS_FUNCTION_1: | |
4000 | - ftdi->eeprom->cbus_function[1] = value; | |
4001 | - break; | |
4002 | - case CBUS_FUNCTION_2: | |
4003 | - ftdi->eeprom->cbus_function[2] = value; | |
4004 | - break; | |
4005 | - case CBUS_FUNCTION_3: | |
4006 | - ftdi->eeprom->cbus_function[3] = value; | |
4007 | - break; | |
4008 | - case CBUS_FUNCTION_4: | |
4009 | - ftdi->eeprom->cbus_function[4] = value; | |
4010 | - break; | |
4011 | - case CBUS_FUNCTION_5: | |
4012 | - ftdi->eeprom->cbus_function[5] = value; | |
4013 | - break; | |
4014 | - case CBUS_FUNCTION_6: | |
4015 | - ftdi->eeprom->cbus_function[6] = value; | |
4016 | - break; | |
4017 | - case CBUS_FUNCTION_7: | |
4018 | - ftdi->eeprom->cbus_function[7] = value; | |
4019 | - break; | |
4020 | - case CBUS_FUNCTION_8: | |
4021 | - ftdi->eeprom->cbus_function[8] = value; | |
4022 | - break; | |
4023 | - case CBUS_FUNCTION_9: | |
4024 | - ftdi->eeprom->cbus_function[9] = value; | |
4025 | - break; | |
4026 | - case HIGH_CURRENT: | |
4027 | - ftdi->eeprom->high_current = value; | |
4028 | - break; | |
4029 | - case HIGH_CURRENT_A: | |
4030 | - ftdi->eeprom->high_current_a = value; | |
4031 | - break; | |
4032 | - case HIGH_CURRENT_B: | |
4033 | - ftdi->eeprom->high_current_b = value; | |
4034 | - break; | |
4035 | - case INVERT: | |
4036 | - ftdi->eeprom->invert = value; | |
4037 | - break; | |
4038 | - case GROUP0_DRIVE: | |
4039 | - ftdi->eeprom->group0_drive = value; | |
4040 | - break; | |
4041 | - case GROUP0_SCHMITT: | |
4042 | - ftdi->eeprom->group0_schmitt = value; | |
4043 | - break; | |
4044 | - case GROUP0_SLEW: | |
4045 | - ftdi->eeprom->group0_slew = value; | |
4046 | - break; | |
4047 | - case GROUP1_DRIVE: | |
4048 | - ftdi->eeprom->group1_drive = value; | |
4049 | - break; | |
4050 | - case GROUP1_SCHMITT: | |
4051 | - ftdi->eeprom->group1_schmitt = value; | |
4052 | - break; | |
4053 | - case GROUP1_SLEW: | |
4054 | - ftdi->eeprom->group1_slew = value; | |
4055 | - break; | |
4056 | - case GROUP2_DRIVE: | |
4057 | - ftdi->eeprom->group2_drive = value; | |
4058 | - break; | |
4059 | - case GROUP2_SCHMITT: | |
4060 | - ftdi->eeprom->group2_schmitt = value; | |
4061 | - break; | |
4062 | - case GROUP2_SLEW: | |
4063 | - ftdi->eeprom->group2_slew = value; | |
4064 | - break; | |
4065 | - case GROUP3_DRIVE: | |
4066 | - ftdi->eeprom->group3_drive = value; | |
4067 | - break; | |
4068 | - case GROUP3_SCHMITT: | |
4069 | - ftdi->eeprom->group3_schmitt = value; | |
4070 | - break; | |
4071 | - case GROUP3_SLEW: | |
4072 | - ftdi->eeprom->group3_slew = value; | |
4073 | - break; | |
4074 | - case CHIP_TYPE: | |
4075 | - ftdi->eeprom->chip = value; | |
4076 | - break; | |
4077 | - case POWER_SAVE: | |
4078 | - ftdi->eeprom->powersave = value; | |
4079 | - break; | |
4080 | - case CLOCK_POLARITY: | |
4081 | - ftdi->eeprom->clock_polarity = value; | |
4082 | - break; | |
4083 | - case DATA_ORDER: | |
4084 | - ftdi->eeprom->data_order = value; | |
4085 | - break; | |
4086 | - case FLOW_CONTROL: | |
4087 | - ftdi->eeprom->flow_control = value; | |
4088 | - break; | |
4089 | - case CHIP_SIZE: | |
4090 | - ftdi_error_return(-2, "EEPROM Value can't be changed"); | |
4091 | - break; | |
4092 | - case EXTERNAL_OSCILLATOR: | |
4093 | - ftdi->eeprom->external_oscillator = value; | |
4094 | - break; | |
4095 | - case USER_DATA_ADDR: | |
4096 | - ftdi->eeprom->user_data_addr = value; | |
4097 | - break; | |
4098 | - | |
4099 | - default : | |
4100 | - ftdi_error_return(-1, "Request to unknown EEPROM value"); | |
4101 | - } | |
4102 | - ftdi->eeprom->initialized_for_connected_device = 0; | |
4103 | - return 0; | |
4104 | -} | |
4105 | - | |
4106 | -/** Get the read-only buffer to the binary EEPROM content | |
4107 | - | |
4108 | - \param ftdi pointer to ftdi_context | |
4109 | - \param buf buffer to receive EEPROM content | |
4110 | - \param size Size of receiving buffer | |
4111 | - | |
4112 | - \retval 0: All fine | |
4113 | - \retval -1: struct ftdi_contxt or ftdi_eeprom missing | |
4114 | - \retval -2: Not enough room to store eeprom | |
4115 | -*/ | |
4116 | -int ftdi_get_eeprom_buf(struct ftdi_context *ftdi, unsigned char * buf, int size) | |
4117 | -{ | |
4118 | - if (!ftdi || !(ftdi->eeprom)) | |
4119 | - ftdi_error_return(-1, "No appropriate structure"); | |
4120 | - | |
4121 | - if (!buf || size < ftdi->eeprom->size) | |
4122 | - ftdi_error_return(-1, "Not enough room to store eeprom"); | |
4123 | - | |
4124 | - // Only copy up to FTDI_MAX_EEPROM_SIZE bytes | |
4125 | - if (size > FTDI_MAX_EEPROM_SIZE) | |
4126 | - size = FTDI_MAX_EEPROM_SIZE; | |
4127 | - | |
4128 | - memcpy(buf, ftdi->eeprom->buf, size); | |
4129 | - | |
4130 | - return 0; | |
4131 | -} | |
4132 | - | |
4133 | -/** Set the EEPROM content from the user-supplied prefilled buffer | |
4134 | - | |
4135 | - \param ftdi pointer to ftdi_context | |
4136 | - \param buf buffer to read EEPROM content | |
4137 | - \param size Size of buffer | |
4138 | - | |
4139 | - \retval 0: All fine | |
4140 | - \retval -1: struct ftdi_context or ftdi_eeprom or buf missing | |
4141 | -*/ | |
4142 | -int ftdi_set_eeprom_buf(struct ftdi_context *ftdi, const unsigned char * buf, int size) | |
4143 | -{ | |
4144 | - if (!ftdi || !(ftdi->eeprom) || !buf) | |
4145 | - ftdi_error_return(-1, "No appropriate structure"); | |
4146 | - | |
4147 | - // Only copy up to FTDI_MAX_EEPROM_SIZE bytes | |
4148 | - if (size > FTDI_MAX_EEPROM_SIZE) | |
4149 | - size = FTDI_MAX_EEPROM_SIZE; | |
4150 | - | |
4151 | - memcpy(ftdi->eeprom->buf, buf, size); | |
4152 | - | |
4153 | - return 0; | |
4154 | -} | |
4155 | - | |
4156 | -/** Set the EEPROM user data content from the user-supplied prefilled buffer | |
4157 | - | |
4158 | - \param ftdi pointer to ftdi_context | |
4159 | - \param buf buffer to read EEPROM user data content | |
4160 | - \param size Size of buffer | |
4161 | - | |
4162 | - \retval 0: All fine | |
4163 | - \retval -1: struct ftdi_context or ftdi_eeprom or buf missing | |
4164 | -*/ | |
4165 | -int ftdi_set_eeprom_user_data(struct ftdi_context *ftdi, const char * buf, int size) | |
4166 | -{ | |
4167 | - if (!ftdi || !(ftdi->eeprom) || !buf) | |
4168 | - ftdi_error_return(-1, "No appropriate structure"); | |
4169 | - | |
4170 | - ftdi->eeprom->user_data_size = size; | |
4171 | - ftdi->eeprom->user_data = buf; | |
4172 | - return 0; | |
4173 | -} | |
4174 | - | |
4175 | -/** | |
4176 | - Read eeprom location | |
4177 | - | |
4178 | - \param ftdi pointer to ftdi_context | |
4179 | - \param eeprom_addr Address of eeprom location to be read | |
4180 | - \param eeprom_val Pointer to store read eeprom location | |
4181 | - | |
4182 | - \retval 0: all fine | |
4183 | - \retval -1: read failed | |
4184 | - \retval -2: USB device unavailable | |
4185 | -*/ | |
4186 | -int ftdi_read_eeprom_location (struct ftdi_context *ftdi, int eeprom_addr, unsigned short *eeprom_val) | |
4187 | -{ | |
4188 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
4189 | - ftdi_error_return(-2, "USB device unavailable"); | |
4190 | - | |
4191 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_READ_EEPROM_REQUEST, 0, eeprom_addr, (unsigned char *)eeprom_val, 2, ftdi->usb_read_timeout) != 2) | |
4192 | - ftdi_error_return(-1, "reading eeprom failed"); | |
4193 | - | |
4194 | - return 0; | |
4195 | -} | |
4196 | - | |
4197 | -/** | |
4198 | - Read eeprom | |
4199 | - | |
4200 | - \param ftdi pointer to ftdi_context | |
4201 | - | |
4202 | - \retval 0: all fine | |
4203 | - \retval -1: read failed | |
4204 | - \retval -2: USB device unavailable | |
4205 | -*/ | |
4206 | -int ftdi_read_eeprom(struct ftdi_context *ftdi) | |
4207 | -{ | |
4208 | - int i; | |
4209 | - unsigned char *buf; | |
4210 | - | |
4211 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
4212 | - ftdi_error_return(-2, "USB device unavailable"); | |
4213 | - buf = ftdi->eeprom->buf; | |
4214 | - | |
4215 | - for (i = 0; i < FTDI_MAX_EEPROM_SIZE/2; i++) | |
4216 | - { | |
4217 | - if (libusb_control_transfer( | |
4218 | - ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE,SIO_READ_EEPROM_REQUEST, 0, i, | |
4219 | - buf+(i*2), 2, ftdi->usb_read_timeout) != 2) | |
4220 | - ftdi_error_return(-1, "reading eeprom failed"); | |
4221 | - } | |
4222 | - | |
4223 | - if (ftdi->type == TYPE_R) | |
4224 | - ftdi->eeprom->size = 0x80; | |
4225 | - /* Guesses size of eeprom by comparing halves | |
4226 | - - will not work with blank eeprom */ | |
4227 | - else if (strrchr((const char *)buf, 0xff) == ((const char *)buf +FTDI_MAX_EEPROM_SIZE -1)) | |
4228 | - ftdi->eeprom->size = -1; | |
4229 | - else if (memcmp(buf,&buf[0x80],0x80) == 0) | |
4230 | - ftdi->eeprom->size = 0x80; | |
4231 | - else if (memcmp(buf,&buf[0x40],0x40) == 0) | |
4232 | - ftdi->eeprom->size = 0x40; | |
4233 | - else | |
4234 | - ftdi->eeprom->size = 0x100; | |
4235 | - return 0; | |
4236 | -} | |
4237 | - | |
4238 | -/* | |
4239 | - ftdi_read_chipid_shift does the bitshift operation needed for the FTDIChip-ID | |
4240 | - Function is only used internally | |
4241 | - \internal | |
4242 | -*/ | |
4243 | -static unsigned char ftdi_read_chipid_shift(unsigned char value) | |
4244 | -{ | |
4245 | - return ((value & 1) << 1) | | |
4246 | - ((value & 2) << 5) | | |
4247 | - ((value & 4) >> 2) | | |
4248 | - ((value & 8) << 4) | | |
4249 | - ((value & 16) >> 1) | | |
4250 | - ((value & 32) >> 1) | | |
4251 | - ((value & 64) >> 4) | | |
4252 | - ((value & 128) >> 2); | |
4253 | -} | |
4254 | - | |
4255 | -/** | |
4256 | - Read the FTDIChip-ID from R-type devices | |
4257 | - | |
4258 | - \param ftdi pointer to ftdi_context | |
4259 | - \param chipid Pointer to store FTDIChip-ID | |
4260 | - | |
4261 | - \retval 0: all fine | |
4262 | - \retval -1: read failed | |
4263 | - \retval -2: USB device unavailable | |
4264 | -*/ | |
4265 | -int ftdi_read_chipid(struct ftdi_context *ftdi, unsigned int *chipid) | |
4266 | -{ | |
4267 | - unsigned int a = 0, b = 0; | |
4268 | - | |
4269 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
4270 | - ftdi_error_return(-2, "USB device unavailable"); | |
4271 | - | |
4272 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_READ_EEPROM_REQUEST, 0, 0x43, (unsigned char *)&a, 2, ftdi->usb_read_timeout) == 2) | |
4273 | - { | |
4274 | - a = a << 8 | a >> 8; | |
4275 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_READ_EEPROM_REQUEST, 0, 0x44, (unsigned char *)&b, 2, ftdi->usb_read_timeout) == 2) | |
4276 | - { | |
4277 | - b = b << 8 | b >> 8; | |
4278 | - a = (a << 16) | (b & 0xFFFF); | |
4279 | - a = ftdi_read_chipid_shift(a) | ftdi_read_chipid_shift(a>>8)<<8 | |
4280 | - | ftdi_read_chipid_shift(a>>16)<<16 | ftdi_read_chipid_shift(a>>24)<<24; | |
4281 | - *chipid = a ^ 0xa5f0f7d1; | |
4282 | - return 0; | |
4283 | - } | |
4284 | - } | |
4285 | - | |
4286 | - ftdi_error_return(-1, "read of FTDIChip-ID failed"); | |
4287 | -} | |
4288 | - | |
4289 | -/** | |
4290 | - Write eeprom location | |
4291 | - | |
4292 | - \param ftdi pointer to ftdi_context | |
4293 | - \param eeprom_addr Address of eeprom location to be written | |
4294 | - \param eeprom_val Value to be written | |
4295 | - | |
4296 | - \retval 0: all fine | |
4297 | - \retval -1: write failed | |
4298 | - \retval -2: USB device unavailable | |
4299 | - \retval -3: Invalid access to checksum protected area below 0x80 | |
4300 | - \retval -4: Device can't access unprotected area | |
4301 | - \retval -5: Reading chip type failed | |
4302 | -*/ | |
4303 | -int ftdi_write_eeprom_location(struct ftdi_context *ftdi, int eeprom_addr, | |
4304 | - unsigned short eeprom_val) | |
4305 | -{ | |
4306 | - int chip_type_location; | |
4307 | - unsigned short chip_type; | |
4308 | - | |
4309 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
4310 | - ftdi_error_return(-2, "USB device unavailable"); | |
4311 | - | |
4312 | - if (eeprom_addr <0x80) | |
4313 | - ftdi_error_return(-2, "Invalid access to checksum protected area below 0x80"); | |
4314 | - | |
4315 | - | |
4316 | - switch (ftdi->type) | |
4317 | - { | |
4318 | - case TYPE_BM: | |
4319 | - case TYPE_2232C: | |
4320 | - chip_type_location = 0x14; | |
4321 | - break; | |
4322 | - case TYPE_2232H: | |
4323 | - case TYPE_4232H: | |
4324 | - chip_type_location = 0x18; | |
4325 | - break; | |
4326 | - case TYPE_232H: | |
4327 | - chip_type_location = 0x1e; | |
4328 | - break; | |
4329 | - default: | |
4330 | - ftdi_error_return(-4, "Device can't access unprotected area"); | |
4331 | - } | |
4332 | - | |
4333 | - if (ftdi_read_eeprom_location( ftdi, chip_type_location>>1, &chip_type)) | |
4334 | - ftdi_error_return(-5, "Reading failed"); | |
4335 | - fprintf(stderr," loc 0x%04x val 0x%04x\n", chip_type_location,chip_type); | |
4336 | - if ((chip_type & 0xff) != 0x66) | |
4337 | - { | |
4338 | - ftdi_error_return(-6, "EEPROM is not of 93x66"); | |
4339 | - } | |
4340 | - | |
4341 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
4342 | - SIO_WRITE_EEPROM_REQUEST, eeprom_val, eeprom_addr, | |
4343 | - NULL, 0, ftdi->usb_write_timeout) != 0) | |
4344 | - ftdi_error_return(-1, "unable to write eeprom"); | |
4345 | - | |
4346 | - return 0; | |
4347 | -} | |
4348 | - | |
4349 | -/** | |
4350 | - Write eeprom | |
4351 | - | |
4352 | - \param ftdi pointer to ftdi_context | |
4353 | - | |
4354 | - \retval 0: all fine | |
4355 | - \retval -1: read failed | |
4356 | - \retval -2: USB device unavailable | |
4357 | - \retval -3: EEPROM not initialized for the connected device; | |
4358 | -*/ | |
4359 | -int ftdi_write_eeprom(struct ftdi_context *ftdi) | |
4360 | -{ | |
4361 | - unsigned short usb_val, status; | |
4362 | - int i, ret; | |
4363 | - unsigned char *eeprom; | |
4364 | - | |
4365 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
4366 | - ftdi_error_return(-2, "USB device unavailable"); | |
4367 | - | |
4368 | - if(ftdi->eeprom->initialized_for_connected_device == 0) | |
4369 | - ftdi_error_return(-3, "EEPROM not initialized for the connected device"); | |
4370 | - | |
4371 | - eeprom = ftdi->eeprom->buf; | |
4372 | - | |
4373 | - /* These commands were traced while running MProg */ | |
4374 | - if ((ret = ftdi_usb_reset(ftdi)) != 0) | |
4375 | - return ret; | |
4376 | - if ((ret = ftdi_poll_modem_status(ftdi, &status)) != 0) | |
4377 | - return ret; | |
4378 | - if ((ret = ftdi_set_latency_timer(ftdi, 0x77)) != 0) | |
4379 | - return ret; | |
4380 | - | |
4381 | - for (i = 0; i < ftdi->eeprom->size/2; i++) | |
4382 | - { | |
4383 | - /* Do not try to write to reserved area */ | |
4384 | - if ((ftdi->type == TYPE_230X) && (i == 0x40)) | |
4385 | - { | |
4386 | - i = 0x50; | |
4387 | - } | |
4388 | - usb_val = eeprom[i*2]; | |
4389 | - usb_val += eeprom[(i*2)+1] << 8; | |
4390 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
4391 | - SIO_WRITE_EEPROM_REQUEST, usb_val, i, | |
4392 | - NULL, 0, ftdi->usb_write_timeout) < 0) | |
4393 | - ftdi_error_return(-1, "unable to write eeprom"); | |
4394 | - } | |
4395 | - | |
4396 | - return 0; | |
4397 | -} | |
4398 | - | |
4399 | -/** | |
4400 | - Erase eeprom | |
4401 | - | |
4402 | - This is not supported on FT232R/FT245R according to the MProg manual from FTDI. | |
4403 | - | |
4404 | - \param ftdi pointer to ftdi_context | |
4405 | - | |
4406 | - \retval 0: all fine | |
4407 | - \retval -1: erase failed | |
4408 | - \retval -2: USB device unavailable | |
4409 | - \retval -3: Writing magic failed | |
4410 | - \retval -4: Read EEPROM failed | |
4411 | - \retval -5: Unexpected EEPROM value | |
4412 | -*/ | |
4413 | -#define MAGIC 0x55aa | |
4414 | -int ftdi_erase_eeprom(struct ftdi_context *ftdi) | |
4415 | -{ | |
4416 | - unsigned short eeprom_value; | |
4417 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
4418 | - ftdi_error_return(-2, "USB device unavailable"); | |
4419 | - | |
4420 | - if ((ftdi->type == TYPE_R) || (ftdi->type == TYPE_230X)) | |
4421 | - { | |
4422 | - ftdi->eeprom->chip = 0; | |
4423 | - return 0; | |
4424 | - } | |
4425 | - | |
4426 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_ERASE_EEPROM_REQUEST, | |
4427 | - 0, 0, NULL, 0, ftdi->usb_write_timeout) < 0) | |
4428 | - ftdi_error_return(-1, "unable to erase eeprom"); | |
4429 | - | |
4430 | - | |
4431 | - /* detect chip type by writing 0x55AA as magic at word position 0xc0 | |
4432 | - Chip is 93x46 if magic is read at word position 0x00, as wraparound happens around 0x40 | |
4433 | - Chip is 93x56 if magic is read at word position 0x40, as wraparound happens around 0x80 | |
4434 | - Chip is 93x66 if magic is only read at word position 0xc0*/ | |
4435 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
4436 | - SIO_WRITE_EEPROM_REQUEST, MAGIC, 0xc0, | |
4437 | - NULL, 0, ftdi->usb_write_timeout) != 0) | |
4438 | - ftdi_error_return(-3, "Writing magic failed"); | |
4439 | - if (ftdi_read_eeprom_location( ftdi, 0x00, &eeprom_value)) | |
4440 | - ftdi_error_return(-4, "Reading failed"); | |
4441 | - if (eeprom_value == MAGIC) | |
4442 | - { | |
4443 | - ftdi->eeprom->chip = 0x46; | |
4444 | - } | |
4445 | - else | |
4446 | - { | |
4447 | - if (ftdi_read_eeprom_location( ftdi, 0x40, &eeprom_value)) | |
4448 | - ftdi_error_return(-4, "Reading failed"); | |
4449 | - if (eeprom_value == MAGIC) | |
4450 | - ftdi->eeprom->chip = 0x56; | |
4451 | - else | |
4452 | - { | |
4453 | - if (ftdi_read_eeprom_location( ftdi, 0xc0, &eeprom_value)) | |
4454 | - ftdi_error_return(-4, "Reading failed"); | |
4455 | - if (eeprom_value == MAGIC) | |
4456 | - ftdi->eeprom->chip = 0x66; | |
4457 | - else | |
4458 | - { | |
4459 | - ftdi->eeprom->chip = -1; | |
4460 | - } | |
4461 | - } | |
4462 | - } | |
4463 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_ERASE_EEPROM_REQUEST, | |
4464 | - 0, 0, NULL, 0, ftdi->usb_write_timeout) < 0) | |
4465 | - ftdi_error_return(-1, "unable to erase eeprom"); | |
4466 | - return 0; | |
4467 | -} | |
4468 | - | |
4469 | -/** | |
4470 | - Get string representation for last error code | |
4471 | - | |
4472 | - \param ftdi pointer to ftdi_context | |
4473 | - | |
4474 | - \retval Pointer to error string | |
4475 | -*/ | |
4476 | -char *ftdi_get_error_string (struct ftdi_context *ftdi) | |
4477 | -{ | |
4478 | - if (ftdi == NULL) | |
4479 | - return ""; | |
4480 | - | |
4481 | - return ftdi->error_str; | |
4482 | -} | |
4483 | - | |
4484 | -/* @} end of doxygen libftdi group */ |
@@ -1,577 +0,0 @@ | ||
1 | -/*************************************************************************** | |
2 | - ftdi.h - description | |
3 | - ------------------- | |
4 | - begin : Fri Apr 4 2003 | |
5 | - copyright : (C) 2003-2014 by Intra2net AG and the libftdi developers | |
6 | - email : opensource@intra2net.com | |
7 | - ***************************************************************************/ | |
8 | - | |
9 | -/*************************************************************************** | |
10 | - * * | |
11 | - * This program is free software; you can redistribute it and/or modify * | |
12 | - * it under the terms of the GNU Lesser General Public License * | |
13 | - * version 2.1 as published by the Free Software Foundation; * | |
14 | - * * | |
15 | - ***************************************************************************/ | |
16 | - | |
17 | -#ifndef __libftdi_h__ | |
18 | -#define __libftdi_h__ | |
19 | - | |
20 | -#include <stdint.h> | |
21 | -//#include <sys/time.h> | |
22 | - | |
23 | -/* 'interface' might be defined as a macro on Windows, so we need to | |
24 | - * undefine it so as not to break the current libftdi API, because | |
25 | - * struct ftdi_context has an 'interface' member | |
26 | - * As this can be problematic if you include windows.h after ftdi.h | |
27 | - * in your sources, we force windows.h to be included first. */ | |
28 | -#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) | |
29 | -#include <windows.h> | |
30 | -#if defined(interface) | |
31 | -#undef interface | |
32 | -#endif | |
33 | -#endif | |
34 | - | |
35 | -/** FTDI chip type */ | |
36 | -enum ftdi_chip_type | |
37 | -{ | |
38 | - TYPE_AM=0, | |
39 | - TYPE_BM=1, | |
40 | - TYPE_2232C=2, | |
41 | - TYPE_R=3, | |
42 | - TYPE_2232H=4, | |
43 | - TYPE_4232H=5, | |
44 | - TYPE_232H=6, | |
45 | - TYPE_230X=7, | |
46 | -}; | |
47 | -/** Parity mode for ftdi_set_line_property() */ | |
48 | -enum ftdi_parity_type { NONE=0, ODD=1, EVEN=2, MARK=3, SPACE=4 }; | |
49 | -/** Number of stop bits for ftdi_set_line_property() */ | |
50 | -enum ftdi_stopbits_type { STOP_BIT_1=0, STOP_BIT_15=1, STOP_BIT_2=2 }; | |
51 | -/** Number of bits for ftdi_set_line_property() */ | |
52 | -enum ftdi_bits_type { BITS_7=7, BITS_8=8 }; | |
53 | -/** Break type for ftdi_set_line_property2() */ | |
54 | -enum ftdi_break_type { BREAK_OFF=0, BREAK_ON=1 }; | |
55 | - | |
56 | -/** MPSSE bitbang modes */ | |
57 | -enum ftdi_mpsse_mode | |
58 | -{ | |
59 | - BITMODE_RESET = 0x00, /**< switch off bitbang mode, back to regular serial/FIFO */ | |
60 | - BITMODE_BITBANG= 0x01, /**< classical asynchronous bitbang mode, introduced with B-type chips */ | |
61 | - BITMODE_MPSSE = 0x02, /**< MPSSE mode, available on 2232x chips */ | |
62 | - BITMODE_SYNCBB = 0x04, /**< synchronous bitbang mode, available on 2232x and R-type chips */ | |
63 | - BITMODE_MCU = 0x08, /**< MCU Host Bus Emulation mode, available on 2232x chips */ | |
64 | - /* CPU-style fifo mode gets set via EEPROM */ | |
65 | - BITMODE_OPTO = 0x10, /**< Fast Opto-Isolated Serial Interface Mode, available on 2232x chips */ | |
66 | - BITMODE_CBUS = 0x20, /**< Bitbang on CBUS pins of R-type chips, configure in EEPROM before */ | |
67 | - BITMODE_SYNCFF = 0x40, /**< Single Channel Synchronous FIFO mode, available on 2232H chips */ | |
68 | - BITMODE_FT1284 = 0x80, /**< FT1284 mode, available on 232H chips */ | |
69 | -}; | |
70 | - | |
71 | -/** Port interface for chips with multiple interfaces */ | |
72 | -enum ftdi_interface | |
73 | -{ | |
74 | - INTERFACE_ANY = 0, | |
75 | - INTERFACE_A = 1, | |
76 | - INTERFACE_B = 2, | |
77 | - INTERFACE_C = 3, | |
78 | - INTERFACE_D = 4 | |
79 | -}; | |
80 | - | |
81 | -/** Automatic loading / unloading of kernel modules */ | |
82 | -enum ftdi_module_detach_mode | |
83 | -{ | |
84 | - AUTO_DETACH_SIO_MODULE = 0, | |
85 | - DONT_DETACH_SIO_MODULE = 1 | |
86 | -}; | |
87 | - | |
88 | -/* Shifting commands IN MPSSE Mode*/ | |
89 | -#define MPSSE_WRITE_NEG 0x01 /* Write TDI/DO on negative TCK/SK edge*/ | |
90 | -#define MPSSE_BITMODE 0x02 /* Write bits, not bytes */ | |
91 | -#define MPSSE_READ_NEG 0x04 /* Sample TDO/DI on negative TCK/SK edge */ | |
92 | -#define MPSSE_LSB 0x08 /* LSB first */ | |
93 | -#define MPSSE_DO_WRITE 0x10 /* Write TDI/DO */ | |
94 | -#define MPSSE_DO_READ 0x20 /* Read TDO/DI */ | |
95 | -#define MPSSE_WRITE_TMS 0x40 /* Write TMS/CS */ | |
96 | - | |
97 | -/* FTDI MPSSE commands */ | |
98 | -#define SET_BITS_LOW 0x80 | |
99 | -/*BYTE DATA*/ | |
100 | -/*BYTE Direction*/ | |
101 | -#define SET_BITS_HIGH 0x82 | |
102 | -/*BYTE DATA*/ | |
103 | -/*BYTE Direction*/ | |
104 | -#define GET_BITS_LOW 0x81 | |
105 | -#define GET_BITS_HIGH 0x83 | |
106 | -#define LOOPBACK_START 0x84 | |
107 | -#define LOOPBACK_END 0x85 | |
108 | -#define TCK_DIVISOR 0x86 | |
109 | -/* H Type specific commands */ | |
110 | -#define DIS_DIV_5 0x8a | |
111 | -#define EN_DIV_5 0x8b | |
112 | -#define EN_3_PHASE 0x8c | |
113 | -#define DIS_3_PHASE 0x8d | |
114 | -#define CLK_BITS 0x8e | |
115 | -#define CLK_BYTES 0x8f | |
116 | -#define CLK_WAIT_HIGH 0x94 | |
117 | -#define CLK_WAIT_LOW 0x95 | |
118 | -#define EN_ADAPTIVE 0x96 | |
119 | -#define DIS_ADAPTIVE 0x97 | |
120 | -#define CLK_BYTES_OR_HIGH 0x9c | |
121 | -#define CLK_BYTES_OR_LOW 0x9d | |
122 | -/*FT232H specific commands */ | |
123 | -#define DRIVE_OPEN_COLLECTOR 0x9e | |
124 | -/* Value Low */ | |
125 | -/* Value HIGH */ /*rate is 12000000/((1+value)*2) */ | |
126 | -#define DIV_VALUE(rate) (rate > 6000000)?0:((6000000/rate -1) > 0xffff)? 0xffff: (6000000/rate -1) | |
127 | - | |
128 | -/* Commands in MPSSE and Host Emulation Mode */ | |
129 | -#define SEND_IMMEDIATE 0x87 | |
130 | -#define WAIT_ON_HIGH 0x88 | |
131 | -#define WAIT_ON_LOW 0x89 | |
132 | - | |
133 | -/* Commands in Host Emulation Mode */ | |
134 | -#define READ_SHORT 0x90 | |
135 | -/* Address_Low */ | |
136 | -#define READ_EXTENDED 0x91 | |
137 | -/* Address High */ | |
138 | -/* Address Low */ | |
139 | -#define WRITE_SHORT 0x92 | |
140 | -/* Address_Low */ | |
141 | -#define WRITE_EXTENDED 0x93 | |
142 | -/* Address High */ | |
143 | -/* Address Low */ | |
144 | - | |
145 | -/* Definitions for flow control */ | |
146 | -#define SIO_RESET 0 /* Reset the port */ | |
147 | -#define SIO_MODEM_CTRL 1 /* Set the modem control register */ | |
148 | -#define SIO_SET_FLOW_CTRL 2 /* Set flow control register */ | |
149 | -#define SIO_SET_BAUD_RATE 3 /* Set baud rate */ | |
150 | -#define SIO_SET_DATA 4 /* Set the data characteristics of the port */ | |
151 | - | |
152 | -#define FTDI_DEVICE_OUT_REQTYPE (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE | LIBUSB_ENDPOINT_OUT) | |
153 | -#define FTDI_DEVICE_IN_REQTYPE (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE | LIBUSB_ENDPOINT_IN) | |
154 | - | |
155 | -/* Requests */ | |
156 | -#define SIO_RESET_REQUEST SIO_RESET | |
157 | -#define SIO_SET_BAUDRATE_REQUEST SIO_SET_BAUD_RATE | |
158 | -#define SIO_SET_DATA_REQUEST SIO_SET_DATA | |
159 | -#define SIO_SET_FLOW_CTRL_REQUEST SIO_SET_FLOW_CTRL | |
160 | -#define SIO_SET_MODEM_CTRL_REQUEST SIO_MODEM_CTRL | |
161 | -#define SIO_POLL_MODEM_STATUS_REQUEST 0x05 | |
162 | -#define SIO_SET_EVENT_CHAR_REQUEST 0x06 | |
163 | -#define SIO_SET_ERROR_CHAR_REQUEST 0x07 | |
164 | -#define SIO_SET_LATENCY_TIMER_REQUEST 0x09 | |
165 | -#define SIO_GET_LATENCY_TIMER_REQUEST 0x0A | |
166 | -#define SIO_SET_BITMODE_REQUEST 0x0B | |
167 | -#define SIO_READ_PINS_REQUEST 0x0C | |
168 | -#define SIO_READ_EEPROM_REQUEST 0x90 | |
169 | -#define SIO_WRITE_EEPROM_REQUEST 0x91 | |
170 | -#define SIO_ERASE_EEPROM_REQUEST 0x92 | |
171 | - | |
172 | - | |
173 | -#define SIO_RESET_SIO 0 | |
174 | -#define SIO_RESET_PURGE_RX 1 | |
175 | -#define SIO_RESET_PURGE_TX 2 | |
176 | - | |
177 | -#define SIO_DISABLE_FLOW_CTRL 0x0 | |
178 | -#define SIO_RTS_CTS_HS (0x1 << 8) | |
179 | -#define SIO_DTR_DSR_HS (0x2 << 8) | |
180 | -#define SIO_XON_XOFF_HS (0x4 << 8) | |
181 | - | |
182 | -#define SIO_SET_DTR_MASK 0x1 | |
183 | -#define SIO_SET_DTR_HIGH ( 1 | ( SIO_SET_DTR_MASK << 8)) | |
184 | -#define SIO_SET_DTR_LOW ( 0 | ( SIO_SET_DTR_MASK << 8)) | |
185 | -#define SIO_SET_RTS_MASK 0x2 | |
186 | -#define SIO_SET_RTS_HIGH ( 2 | ( SIO_SET_RTS_MASK << 8 )) | |
187 | -#define SIO_SET_RTS_LOW ( 0 | ( SIO_SET_RTS_MASK << 8 )) | |
188 | - | |
189 | -#define SIO_RTS_CTS_HS (0x1 << 8) | |
190 | - | |
191 | -/* marker for unused usb urb structures | |
192 | - (taken from libusb) */ | |
193 | -#define FTDI_URB_USERCONTEXT_COOKIE ((void *)0x1) | |
194 | - | |
195 | -#ifdef __GNUC__ | |
196 | -#define DEPRECATED(func) func __attribute__ ((deprecated)) | |
197 | -#elif defined(_MSC_VER) | |
198 | -#define DEPRECATED(func) __declspec(deprecated) func | |
199 | -#else | |
200 | -#pragma message("WARNING: You need to implement DEPRECATED for this compiler") | |
201 | -#define DEPRECATED(func) func | |
202 | -#endif | |
203 | - | |
204 | -struct ftdi_transfer_control | |
205 | -{ | |
206 | - int completed; | |
207 | - unsigned char *buf; | |
208 | - int size; | |
209 | - int offset; | |
210 | - struct ftdi_context *ftdi; | |
211 | - struct libusb_transfer *transfer; | |
212 | -}; | |
213 | - | |
214 | -/** | |
215 | - \brief Main context structure for all libftdi functions. | |
216 | - | |
217 | - Do not access directly if possible. | |
218 | -*/ | |
219 | -struct ftdi_context | |
220 | -{ | |
221 | - /* USB specific */ | |
222 | - /** libusb's context */ | |
223 | - struct libusb_context *usb_ctx; | |
224 | - /** libusb's usb_dev_handle */ | |
225 | - struct libusb_device_handle *usb_dev; | |
226 | - /** usb read timeout */ | |
227 | - int usb_read_timeout; | |
228 | - /** usb write timeout */ | |
229 | - int usb_write_timeout; | |
230 | - | |
231 | - /* FTDI specific */ | |
232 | - /** FTDI chip type */ | |
233 | - enum ftdi_chip_type type; | |
234 | - /** baudrate */ | |
235 | - int baudrate; | |
236 | - /** bitbang mode state */ | |
237 | - unsigned char bitbang_enabled; | |
238 | - /** pointer to read buffer for ftdi_read_data */ | |
239 | - unsigned char *readbuffer; | |
240 | - /** read buffer offset */ | |
241 | - unsigned int readbuffer_offset; | |
242 | - /** number of remaining data in internal read buffer */ | |
243 | - unsigned int readbuffer_remaining; | |
244 | - /** read buffer chunk size */ | |
245 | - unsigned int readbuffer_chunksize; | |
246 | - /** write buffer chunk size */ | |
247 | - unsigned int writebuffer_chunksize; | |
248 | - /** maximum packet size. Needed for filtering modem status bytes every n packets. */ | |
249 | - unsigned int max_packet_size; | |
250 | - | |
251 | - /* FTDI FT2232C requirecments */ | |
252 | - /** FT2232C interface number: 0 or 1 */ | |
253 | - int interface; /* 0 or 1 */ | |
254 | - /** FT2232C index number: 1 or 2 */ | |
255 | - int index; /* 1 or 2 */ | |
256 | - /* Endpoints */ | |
257 | - /** FT2232C end points: 1 or 2 */ | |
258 | - int in_ep; | |
259 | - int out_ep; /* 1 or 2 */ | |
260 | - | |
261 | - /** Bitbang mode. 1: (default) Normal bitbang mode, 2: FT2232C SPI bitbang mode */ | |
262 | - unsigned char bitbang_mode; | |
263 | - | |
264 | - /** Decoded eeprom structure */ | |
265 | - struct ftdi_eeprom *eeprom; | |
266 | - | |
267 | - /** String representation of last error */ | |
268 | - char *error_str; | |
269 | - | |
270 | - /** Defines behavior in case a kernel module is already attached to the device */ | |
271 | - enum ftdi_module_detach_mode module_detach_mode; | |
272 | -}; | |
273 | - | |
274 | -/** | |
275 | - List all handled EEPROM values. | |
276 | - Append future new values only at the end to provide API/ABI stability*/ | |
277 | -enum ftdi_eeprom_value | |
278 | -{ | |
279 | - VENDOR_ID = 0, | |
280 | - PRODUCT_ID = 1, | |
281 | - SELF_POWERED = 2, | |
282 | - REMOTE_WAKEUP = 3, | |
283 | - IS_NOT_PNP = 4, | |
284 | - SUSPEND_DBUS7 = 5, | |
285 | - IN_IS_ISOCHRONOUS = 6, | |
286 | - OUT_IS_ISOCHRONOUS = 7, | |
287 | - SUSPEND_PULL_DOWNS = 8, | |
288 | - USE_SERIAL = 9, | |
289 | - USB_VERSION = 10, | |
290 | - USE_USB_VERSION = 11, | |
291 | - MAX_POWER = 12, | |
292 | - CHANNEL_A_TYPE = 13, | |
293 | - CHANNEL_B_TYPE = 14, | |
294 | - CHANNEL_A_DRIVER = 15, | |
295 | - CHANNEL_B_DRIVER = 16, | |
296 | - CBUS_FUNCTION_0 = 17, | |
297 | - CBUS_FUNCTION_1 = 18, | |
298 | - CBUS_FUNCTION_2 = 19, | |
299 | - CBUS_FUNCTION_3 = 20, | |
300 | - CBUS_FUNCTION_4 = 21, | |
301 | - CBUS_FUNCTION_5 = 22, | |
302 | - CBUS_FUNCTION_6 = 23, | |
303 | - CBUS_FUNCTION_7 = 24, | |
304 | - CBUS_FUNCTION_8 = 25, | |
305 | - CBUS_FUNCTION_9 = 26, | |
306 | - HIGH_CURRENT = 27, | |
307 | - HIGH_CURRENT_A = 28, | |
308 | - HIGH_CURRENT_B = 29, | |
309 | - INVERT = 30, | |
310 | - GROUP0_DRIVE = 31, | |
311 | - GROUP0_SCHMITT = 32, | |
312 | - GROUP0_SLEW = 33, | |
313 | - GROUP1_DRIVE = 34, | |
314 | - GROUP1_SCHMITT = 35, | |
315 | - GROUP1_SLEW = 36, | |
316 | - GROUP2_DRIVE = 37, | |
317 | - GROUP2_SCHMITT = 38, | |
318 | - GROUP2_SLEW = 39, | |
319 | - GROUP3_DRIVE = 40, | |
320 | - GROUP3_SCHMITT = 41, | |
321 | - GROUP3_SLEW = 42, | |
322 | - CHIP_SIZE = 43, | |
323 | - CHIP_TYPE = 44, | |
324 | - POWER_SAVE = 45, | |
325 | - CLOCK_POLARITY = 46, | |
326 | - DATA_ORDER = 47, | |
327 | - FLOW_CONTROL = 48, | |
328 | - CHANNEL_C_DRIVER = 49, | |
329 | - CHANNEL_D_DRIVER = 50, | |
330 | - CHANNEL_A_RS485 = 51, | |
331 | - CHANNEL_B_RS485 = 52, | |
332 | - CHANNEL_C_RS485 = 53, | |
333 | - CHANNEL_D_RS485 = 54, | |
334 | - RELEASE_NUMBER = 55, | |
335 | - EXTERNAL_OSCILLATOR= 56, | |
336 | - USER_DATA_ADDR = 57, | |
337 | -}; | |
338 | - | |
339 | -/** | |
340 | - \brief list of usb devices created by ftdi_usb_find_all() | |
341 | -*/ | |
342 | -struct ftdi_device_list | |
343 | -{ | |
344 | - /** pointer to next entry */ | |
345 | - struct ftdi_device_list *next; | |
346 | - /** pointer to libusb's usb_device */ | |
347 | - struct libusb_device *dev; | |
348 | -}; | |
349 | -#define FT1284_CLK_IDLE_STATE 0x01 | |
350 | -#define FT1284_DATA_LSB 0x02 /* DS_FT232H 1.3 amd ftd2xx.h 1.0.4 disagree here*/ | |
351 | -#define FT1284_FLOW_CONTROL 0x04 | |
352 | -#define POWER_SAVE_DISABLE_H 0x80 | |
353 | - | |
354 | -#define USE_SERIAL_NUM 0x08 | |
355 | -enum ftdi_cbus_func | |
356 | -{ | |
357 | - CBUS_TXDEN = 0, CBUS_PWREN = 1, CBUS_RXLED = 2, CBUS_TXLED = 3, CBUS_TXRXLED = 4, | |
358 | - CBUS_SLEEP = 5, CBUS_CLK48 = 6, CBUS_CLK24 = 7, CBUS_CLK12 = 8, CBUS_CLK6 = 9, | |
359 | - CBUS_IOMODE = 0xa, CBUS_BB_WR = 0xb, CBUS_BB_RD = 0xc | |
360 | -}; | |
361 | - | |
362 | -enum ftdi_cbush_func | |
363 | -{ | |
364 | - CBUSH_TRISTATE = 0, CBUSH_TXLED = 1, CBUSH_RXLED = 2, CBUSH_TXRXLED = 3, CBUSH_PWREN = 4, | |
365 | - CBUSH_SLEEP = 5, CBUSH_DRIVE_0 = 6, CBUSH_DRIVE1 = 7, CBUSH_IOMODE = 8, CBUSH_TXDEN = 9, | |
366 | - CBUSH_CLK30 = 10, CBUSH_CLK15 = 11, CBUSH_CLK7_5 = 12 | |
367 | -}; | |
368 | - | |
369 | -enum ftdi_cbusx_func | |
370 | -{ | |
371 | - CBUSX_TRISTATE = 0, CBUSX_TXLED = 1, CBUSX_RXLED = 2, CBUSX_TXRXLED = 3, CBUSX_PWREN = 4, | |
372 | - CBUSX_SLEEP = 5, CBUSX_DRIVE_0 = 6, CBUSX_DRIVE1 = 7, CBUSX_IOMODE = 8, CBUSX_TXDEN = 9, | |
373 | - CBUSX_CLK24 = 10, CBUSX_CLK12 = 11, CBUSX_CLK6 = 12, CBUSX_BAT_DETECT = 13, | |
374 | - CBUSX_BAT_DETECT_NEG = 14, CBUSX_I2C_TXE = 15, CBUSX_I2C_RXF = 16, CBUSX_VBUS_SENSE = 17, | |
375 | - CBUSX_BB_WR = 18, CBUSX_BB_RD = 19, CBUSX_TIME_STAMP = 20, CBUSX_AWAKE = 21 | |
376 | -}; | |
377 | - | |
378 | -/** Invert TXD# */ | |
379 | -#define INVERT_TXD 0x01 | |
380 | -/** Invert RXD# */ | |
381 | -#define INVERT_RXD 0x02 | |
382 | -/** Invert RTS# */ | |
383 | -#define INVERT_RTS 0x04 | |
384 | -/** Invert CTS# */ | |
385 | -#define INVERT_CTS 0x08 | |
386 | -/** Invert DTR# */ | |
387 | -#define INVERT_DTR 0x10 | |
388 | -/** Invert DSR# */ | |
389 | -#define INVERT_DSR 0x20 | |
390 | -/** Invert DCD# */ | |
391 | -#define INVERT_DCD 0x40 | |
392 | -/** Invert RI# */ | |
393 | -#define INVERT_RI 0x80 | |
394 | - | |
395 | -/** Interface Mode. */ | |
396 | -#define CHANNEL_IS_UART 0x0 | |
397 | -#define CHANNEL_IS_FIFO 0x1 | |
398 | -#define CHANNEL_IS_OPTO 0x2 | |
399 | -#define CHANNEL_IS_CPU 0x4 | |
400 | -#define CHANNEL_IS_FT1284 0x8 | |
401 | - | |
402 | -#define CHANNEL_IS_RS485 0x10 | |
403 | - | |
404 | -#define DRIVE_4MA 0 | |
405 | -#define DRIVE_8MA 1 | |
406 | -#define DRIVE_12MA 2 | |
407 | -#define DRIVE_16MA 3 | |
408 | -#define SLOW_SLEW 4 | |
409 | -#define IS_SCHMITT 8 | |
410 | - | |
411 | -/** Driver Type. */ | |
412 | -#define DRIVER_VCP 0x08 | |
413 | -#define DRIVER_VCPH 0x10 /* FT232H has moved the VCP bit */ | |
414 | - | |
415 | -#define USE_USB_VERSION_BIT 0x10 | |
416 | - | |
417 | -#define SUSPEND_DBUS7_BIT 0x80 | |
418 | - | |
419 | -/** High current drive. */ | |
420 | -#define HIGH_CURRENT_DRIVE 0x10 | |
421 | -#define HIGH_CURRENT_DRIVE_R 0x04 | |
422 | - | |
423 | -/** | |
424 | - \brief Progress Info for streaming read | |
425 | -*/ | |
426 | -struct size_and_time | |
427 | -{ | |
428 | - uint64_t totalBytes; | |
429 | - struct timeval time; | |
430 | -}; | |
431 | - | |
432 | -typedef struct | |
433 | -{ | |
434 | - struct size_and_time first; | |
435 | - struct size_and_time prev; | |
436 | - struct size_and_time current; | |
437 | - double totalTime; | |
438 | - double totalRate; | |
439 | - double currentRate; | |
440 | -} FTDIProgressInfo; | |
441 | - | |
442 | -typedef int (FTDIStreamCallback)(uint8_t *buffer, int length, | |
443 | - FTDIProgressInfo *progress, void *userdata); | |
444 | - | |
445 | -/** | |
446 | - * Provide libftdi version information | |
447 | - * major: Library major version | |
448 | - * minor: Library minor version | |
449 | - * micro: Currently unused, ight get used for hotfixes. | |
450 | - * version_str: Version as (static) string | |
451 | - * snapshot_str: Git snapshot version if known. Otherwise "unknown" or empty string. | |
452 | -*/ | |
453 | -struct ftdi_version_info | |
454 | -{ | |
455 | - int major; | |
456 | - int minor; | |
457 | - int micro; | |
458 | - const char *version_str; | |
459 | - const char *snapshot_str; | |
460 | -}; | |
461 | - | |
462 | - | |
463 | -#ifdef __cplusplus | |
464 | -extern "C" | |
465 | -{ | |
466 | -#endif | |
467 | - | |
468 | - int ftdi_init(struct ftdi_context *ftdi); | |
469 | - struct ftdi_context *ftdi_new(void); | |
470 | - int ftdi_set_interface(struct ftdi_context *ftdi, enum ftdi_interface interface); | |
471 | - | |
472 | - void ftdi_deinit(struct ftdi_context *ftdi); | |
473 | - void ftdi_free(struct ftdi_context *ftdi); | |
474 | - void ftdi_set_usbdev (struct ftdi_context *ftdi, struct libusb_device_handle *usbdev); | |
475 | - | |
476 | - struct ftdi_version_info ftdi_get_library_version(void); | |
477 | - | |
478 | - int ftdi_usb_find_all(struct ftdi_context *ftdi, struct ftdi_device_list **devlist, | |
479 | - int vendor, int product); | |
480 | - void ftdi_list_free(struct ftdi_device_list **devlist); | |
481 | - void ftdi_list_free2(struct ftdi_device_list *devlist); | |
482 | - int ftdi_usb_get_strings(struct ftdi_context *ftdi, struct libusb_device *dev, | |
483 | - char *manufacturer, int mnf_len, | |
484 | - char *description, int desc_len, | |
485 | - char *serial, int serial_len); | |
486 | - int ftdi_usb_get_strings2(struct ftdi_context *ftdi, struct libusb_device *dev, | |
487 | - char *manufacturer, int mnf_len, | |
488 | - char *description, int desc_len, | |
489 | - char *serial, int serial_len); | |
490 | - int ftdi_eeprom_set_strings(struct ftdi_context *ftdi, char * manufacturer, | |
491 | - char * product, char * serial); | |
492 | - | |
493 | - int ftdi_usb_open(struct ftdi_context *ftdi, int vendor, int product); | |
494 | - int ftdi_usb_open_desc(struct ftdi_context *ftdi, int vendor, int product, | |
495 | - const char* description, const char* serial); | |
496 | - int ftdi_usb_open_desc_index(struct ftdi_context *ftdi, int vendor, int product, | |
497 | - const char* description, const char* serial, unsigned int index); | |
498 | - int ftdi_usb_open_dev(struct ftdi_context *ftdi, struct libusb_device *dev); | |
499 | - int ftdi_usb_open_string(struct ftdi_context *ftdi, const char* description); | |
500 | - | |
501 | - int ftdi_usb_close(struct ftdi_context *ftdi); | |
502 | - int ftdi_usb_reset(struct ftdi_context *ftdi); | |
503 | - int ftdi_usb_purge_rx_buffer(struct ftdi_context *ftdi); | |
504 | - int ftdi_usb_purge_tx_buffer(struct ftdi_context *ftdi); | |
505 | - int ftdi_usb_purge_buffers(struct ftdi_context *ftdi); | |
506 | - | |
507 | - int ftdi_set_baudrate(struct ftdi_context *ftdi, int baudrate); | |
508 | - int ftdi_set_line_property(struct ftdi_context *ftdi, enum ftdi_bits_type bits, | |
509 | - enum ftdi_stopbits_type sbit, enum ftdi_parity_type parity); | |
510 | - int ftdi_set_line_property2(struct ftdi_context *ftdi, enum ftdi_bits_type bits, | |
511 | - enum ftdi_stopbits_type sbit, enum ftdi_parity_type parity, | |
512 | - enum ftdi_break_type break_type); | |
513 | - | |
514 | - int ftdi_read_data(struct ftdi_context *ftdi, unsigned char *buf, int size); | |
515 | - int ftdi_read_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize); | |
516 | - int ftdi_read_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize); | |
517 | - | |
518 | - int ftdi_write_data(struct ftdi_context *ftdi, const unsigned char *buf, int size); | |
519 | - int ftdi_write_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize); | |
520 | - int ftdi_write_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize); | |
521 | - | |
522 | - int ftdi_readstream(struct ftdi_context *ftdi, FTDIStreamCallback *callback, | |
523 | - void *userdata, int packetsPerTransfer, int numTransfers); | |
524 | - struct ftdi_transfer_control *ftdi_write_data_submit(struct ftdi_context *ftdi, unsigned char *buf, int size); | |
525 | - | |
526 | - struct ftdi_transfer_control *ftdi_read_data_submit(struct ftdi_context *ftdi, unsigned char *buf, int size); | |
527 | - int ftdi_transfer_data_done(struct ftdi_transfer_control *tc); | |
528 | - void ftdi_transfer_data_cancel(struct ftdi_transfer_control *tc, struct timeval * to); | |
529 | - | |
530 | - int ftdi_set_bitmode(struct ftdi_context *ftdi, unsigned char bitmask, unsigned char mode); | |
531 | - int ftdi_disable_bitbang(struct ftdi_context *ftdi); | |
532 | - int ftdi_read_pins(struct ftdi_context *ftdi, unsigned char *pins); | |
533 | - | |
534 | - int ftdi_set_latency_timer(struct ftdi_context *ftdi, unsigned char latency); | |
535 | - int ftdi_get_latency_timer(struct ftdi_context *ftdi, unsigned char *latency); | |
536 | - | |
537 | - int ftdi_poll_modem_status(struct ftdi_context *ftdi, unsigned short *status); | |
538 | - | |
539 | - /* flow control */ | |
540 | - int ftdi_setflowctrl(struct ftdi_context *ftdi, int flowctrl); | |
541 | - int ftdi_setdtr_rts(struct ftdi_context *ftdi, int dtr, int rts); | |
542 | - int ftdi_setdtr(struct ftdi_context *ftdi, int state); | |
543 | - int ftdi_setrts(struct ftdi_context *ftdi, int state); | |
544 | - | |
545 | - int ftdi_set_event_char(struct ftdi_context *ftdi, unsigned char eventch, unsigned char enable); | |
546 | - int ftdi_set_error_char(struct ftdi_context *ftdi, unsigned char errorch, unsigned char enable); | |
547 | - | |
548 | - /* init eeprom for the given FTDI type */ | |
549 | - int ftdi_eeprom_initdefaults(struct ftdi_context *ftdi, | |
550 | - char * manufacturer, char *product, | |
551 | - char * serial); | |
552 | - int ftdi_eeprom_build(struct ftdi_context *ftdi); | |
553 | - int ftdi_eeprom_decode(struct ftdi_context *ftdi, int verbose); | |
554 | - | |
555 | - int ftdi_get_eeprom_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value value_name, int* value); | |
556 | - int ftdi_set_eeprom_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value value_name, int value); | |
557 | - | |
558 | - int ftdi_get_eeprom_buf(struct ftdi_context *ftdi, unsigned char * buf, int size); | |
559 | - int ftdi_set_eeprom_buf(struct ftdi_context *ftdi, const unsigned char * buf, int size); | |
560 | - | |
561 | - int ftdi_set_eeprom_user_data(struct ftdi_context *ftdi, const char * buf, int size); | |
562 | - | |
563 | - int ftdi_read_eeprom(struct ftdi_context *ftdi); | |
564 | - int ftdi_read_chipid(struct ftdi_context *ftdi, unsigned int *chipid); | |
565 | - int ftdi_write_eeprom(struct ftdi_context *ftdi); | |
566 | - int ftdi_erase_eeprom(struct ftdi_context *ftdi); | |
567 | - | |
568 | - int ftdi_read_eeprom_location (struct ftdi_context *ftdi, int eeprom_addr, unsigned short *eeprom_val); | |
569 | - int ftdi_write_eeprom_location(struct ftdi_context *ftdi, int eeprom_addr, unsigned short eeprom_val); | |
570 | - | |
571 | - char *ftdi_get_error_string(struct ftdi_context *ftdi); | |
572 | - | |
573 | -#ifdef __cplusplus | |
574 | -} | |
575 | -#endif | |
576 | - | |
577 | -#endif /* __libftdi_h__ */ |
@@ -1,299 +0,0 @@ | ||
1 | -/*************************************************************************** | |
2 | - ftdi_stream.c - description | |
3 | - ------------------- | |
4 | - copyright : (C) 2009 Micah Dowty 2010 Uwe Bonnes | |
5 | - email : opensource@intra2net.com | |
6 | - ***************************************************************************/ | |
7 | - | |
8 | -/*************************************************************************** | |
9 | - * * | |
10 | - * This program is free software; you can redistribute it and/or modify * | |
11 | - * it under the terms of the GNU Lesser General Public License * | |
12 | - * version 2.1 as published by the Free Software Foundation; * | |
13 | - * * | |
14 | - ***************************************************************************/ | |
15 | - | |
16 | -/* Adapted from | |
17 | - * fastftdi.c - A minimal FTDI FT232H interface for which supports bit-bang | |
18 | - * mode, but focuses on very high-performance support for | |
19 | - * synchronous FIFO mode. Requires libusb-1.0 | |
20 | - * | |
21 | - * Copyright (C) 2009 Micah Dowty | |
22 | - * | |
23 | - * Permission is hereby granted, free of charge, to any person obtaining a copy | |
24 | - * of this software and associated documentation files (the "Software"), to deal | |
25 | - * in the Software without restriction, including without limitation the rights | |
26 | - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
27 | - * copies of the Software, and to permit persons to whom the Software is | |
28 | - * furnished to do so, subject to the following conditions: | |
29 | - * | |
30 | - * The above copyright notice and this permission notice shall be included in | |
31 | - * all copies or substantial portions of the Software. | |
32 | - * | |
33 | - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
34 | - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
35 | - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
36 | - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
37 | - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
38 | - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
39 | - * THE SOFTWARE. | |
40 | - */ | |
41 | - | |
42 | -#include <stdlib.h> | |
43 | -#include <stdio.h> | |
44 | -#include <libusb.h> | |
45 | - | |
46 | -#include "ftdi.h" | |
47 | - | |
48 | -typedef struct | |
49 | -{ | |
50 | - FTDIStreamCallback *callback; | |
51 | - void *userdata; | |
52 | - int packetsize; | |
53 | - int activity; | |
54 | - int result; | |
55 | - FTDIProgressInfo progress; | |
56 | -} FTDIStreamState; | |
57 | - | |
58 | -/* Handle callbacks | |
59 | - * | |
60 | - * With Exit request, free memory and release the transfer | |
61 | - * | |
62 | - * state->result is only set when some error happens | |
63 | - */ | |
64 | -static void LIBUSB_CALL | |
65 | -ftdi_readstream_cb(struct libusb_transfer *transfer) | |
66 | -{ | |
67 | - FTDIStreamState *state = transfer->user_data; | |
68 | - int packet_size = state->packetsize; | |
69 | - | |
70 | - state->activity++; | |
71 | - if (transfer->status == LIBUSB_TRANSFER_COMPLETED) | |
72 | - { | |
73 | - int i; | |
74 | - uint8_t *ptr = transfer->buffer; | |
75 | - int length = transfer->actual_length; | |
76 | - int numPackets = (length + packet_size - 1) / packet_size; | |
77 | - int res = 0; | |
78 | - | |
79 | - for (i = 0; i < numPackets; i++) | |
80 | - { | |
81 | - int payloadLen; | |
82 | - int packetLen = length; | |
83 | - | |
84 | - if (packetLen > packet_size) | |
85 | - packetLen = packet_size; | |
86 | - | |
87 | - payloadLen = packetLen - 2; | |
88 | - state->progress.current.totalBytes += payloadLen; | |
89 | - | |
90 | - res = state->callback(ptr + 2, payloadLen, | |
91 | - NULL, state->userdata); | |
92 | - | |
93 | - ptr += packetLen; | |
94 | - length -= packetLen; | |
95 | - } | |
96 | - if (res) | |
97 | - { | |
98 | - free(transfer->buffer); | |
99 | - libusb_free_transfer(transfer); | |
100 | - } | |
101 | - else | |
102 | - { | |
103 | - transfer->status = -1; | |
104 | - state->result = libusb_submit_transfer(transfer); | |
105 | - } | |
106 | - } | |
107 | - else | |
108 | - { | |
109 | - fprintf(stderr, "unknown status %d\n",transfer->status); | |
110 | - state->result = LIBUSB_ERROR_IO; | |
111 | - } | |
112 | -} | |
113 | - | |
114 | -/** | |
115 | - Helper function to calculate (unix) time differences | |
116 | - | |
117 | - \param a timeval | |
118 | - \param b timeval | |
119 | -*/ | |
120 | -static double | |
121 | -TimevalDiff(const struct timeval *a, const struct timeval *b) | |
122 | -{ | |
123 | - return (a->tv_sec - b->tv_sec) + 1e-6 * (a->tv_usec - b->tv_usec); | |
124 | -} | |
125 | - | |
126 | -/** | |
127 | - Streaming reading of data from the device | |
128 | - | |
129 | - Use asynchronous transfers in libusb-1.0 for high-performance | |
130 | - streaming of data from a device interface back to the PC. This | |
131 | - function continuously transfers data until either an error occurs | |
132 | - or the callback returns a nonzero value. This function returns | |
133 | - a libusb error code or the callback's return value. | |
134 | - | |
135 | - For every contiguous block of received data, the callback will | |
136 | - be invoked. | |
137 | - | |
138 | - \param ftdi pointer to ftdi_context | |
139 | - \param callback to user supplied function for one block of data | |
140 | - \param userdata | |
141 | - \param packetsPerTransfer number of packets per transfer | |
142 | - \param numTransfers Number of transfers per callback | |
143 | - | |
144 | -*/ | |
145 | - | |
146 | -int | |
147 | -ftdi_readstream(struct ftdi_context *ftdi, | |
148 | - FTDIStreamCallback *callback, void *userdata, | |
149 | - int packetsPerTransfer, int numTransfers) | |
150 | -{ | |
151 | - struct libusb_transfer **transfers; | |
152 | - FTDIStreamState state = { callback, userdata, ftdi->max_packet_size, 1 }; | |
153 | - int bufferSize = packetsPerTransfer * ftdi->max_packet_size; | |
154 | - int xferIndex; | |
155 | - int err = 0; | |
156 | - | |
157 | - /* Only FT2232H and FT232H know about the synchronous FIFO Mode*/ | |
158 | - if ((ftdi->type != TYPE_2232H) && (ftdi->type != TYPE_232H)) | |
159 | - { | |
160 | - fprintf(stderr,"Device doesn't support synchronous FIFO mode\n"); | |
161 | - return 1; | |
162 | - } | |
163 | - | |
164 | - /* We don't know in what state we are, switch to reset*/ | |
165 | - if (ftdi_set_bitmode(ftdi, 0xff, BITMODE_RESET) < 0) | |
166 | - { | |
167 | - fprintf(stderr,"Can't reset mode\n"); | |
168 | - return 1; | |
169 | - } | |
170 | - | |
171 | - /* Purge anything remaining in the buffers*/ | |
172 | - if (ftdi_usb_purge_buffers(ftdi) < 0) | |
173 | - { | |
174 | - fprintf(stderr,"Can't Purge\n"); | |
175 | - return 1; | |
176 | - } | |
177 | - | |
178 | - /* | |
179 | - * Set up all transfers | |
180 | - */ | |
181 | - | |
182 | - transfers = calloc(numTransfers, sizeof *transfers); | |
183 | - if (!transfers) | |
184 | - { | |
185 | - err = LIBUSB_ERROR_NO_MEM; | |
186 | - goto cleanup; | |
187 | - } | |
188 | - | |
189 | - for (xferIndex = 0; xferIndex < numTransfers; xferIndex++) | |
190 | - { | |
191 | - struct libusb_transfer *transfer; | |
192 | - | |
193 | - transfer = libusb_alloc_transfer(0); | |
194 | - transfers[xferIndex] = transfer; | |
195 | - if (!transfer) | |
196 | - { | |
197 | - err = LIBUSB_ERROR_NO_MEM; | |
198 | - goto cleanup; | |
199 | - } | |
200 | - | |
201 | - libusb_fill_bulk_transfer(transfer, ftdi->usb_dev, ftdi->out_ep, | |
202 | - malloc(bufferSize), bufferSize, | |
203 | - ftdi_readstream_cb, | |
204 | - &state, 0); | |
205 | - | |
206 | - if (!transfer->buffer) | |
207 | - { | |
208 | - err = LIBUSB_ERROR_NO_MEM; | |
209 | - goto cleanup; | |
210 | - } | |
211 | - | |
212 | - transfer->status = -1; | |
213 | - err = libusb_submit_transfer(transfer); | |
214 | - if (err) | |
215 | - goto cleanup; | |
216 | - } | |
217 | - | |
218 | - /* Start the transfers only when everything has been set up. | |
219 | - * Otherwise the transfers start stuttering and the PC not | |
220 | - * fetching data for several to several ten milliseconds | |
221 | - * and we skip blocks | |
222 | - */ | |
223 | - if (ftdi_set_bitmode(ftdi, 0xff, BITMODE_SYNCFF) < 0) | |
224 | - { | |
225 | - fprintf(stderr,"Can't set synchronous fifo mode: %s\n", | |
226 | - ftdi_get_error_string(ftdi)); | |
227 | - goto cleanup; | |
228 | - } | |
229 | - | |
230 | - /* | |
231 | - * Run the transfers, and periodically assess progress. | |
232 | - */ | |
233 | - | |
234 | - gettimeofday(&state.progress.first.time, NULL); | |
235 | - | |
236 | - do | |
237 | - { | |
238 | - FTDIProgressInfo *progress = &state.progress; | |
239 | - const double progressInterval = 1.0; | |
240 | - struct timeval timeout = { 0, ftdi->usb_read_timeout * 1000}; | |
241 | - struct timeval now; | |
242 | - | |
243 | - int err = libusb_handle_events_timeout(ftdi->usb_ctx, &timeout); | |
244 | - if (err == LIBUSB_ERROR_INTERRUPTED) | |
245 | - /* restart interrupted events */ | |
246 | - err = libusb_handle_events_timeout(ftdi->usb_ctx, &timeout); | |
247 | - if (!state.result) | |
248 | - { | |
249 | - state.result = err; | |
250 | - } | |
251 | - if (state.activity == 0) | |
252 | - state.result = 1; | |
253 | - else | |
254 | - state.activity = 0; | |
255 | - | |
256 | - // If enough time has elapsed, update the progress | |
257 | - gettimeofday(&now, NULL); | |
258 | - if (TimevalDiff(&now, &progress->current.time) >= progressInterval) | |
259 | - { | |
260 | - progress->current.time = now; | |
261 | - progress->totalTime = TimevalDiff(&progress->current.time, | |
262 | - &progress->first.time); | |
263 | - | |
264 | - if (progress->prev.totalBytes) | |
265 | - { | |
266 | - // We have enough information to calculate rates | |
267 | - | |
268 | - double currentTime; | |
269 | - | |
270 | - currentTime = TimevalDiff(&progress->current.time, | |
271 | - &progress->prev.time); | |
272 | - | |
273 | - progress->totalRate = | |
274 | - progress->current.totalBytes /progress->totalTime; | |
275 | - progress->currentRate = | |
276 | - (progress->current.totalBytes - | |
277 | - progress->prev.totalBytes) / currentTime; | |
278 | - } | |
279 | - | |
280 | - state.callback(NULL, 0, progress, state.userdata); | |
281 | - progress->prev = progress->current; | |
282 | - | |
283 | - } | |
284 | - } while (!state.result); | |
285 | - | |
286 | - /* | |
287 | - * Cancel any outstanding transfers, and free memory. | |
288 | - */ | |
289 | - | |
290 | -cleanup: | |
291 | - fprintf(stderr, "cleanup\n"); | |
292 | - if (transfers) | |
293 | - free(transfers); | |
294 | - if (err) | |
295 | - return err; | |
296 | - else | |
297 | - return state.result; | |
298 | -} | |
299 | - |