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Commit | Line | Data |
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f302a082 JH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
cf94c816 | 4 | * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com> |
f302a082 JH |
5 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> |
6 | * | |
7 | * This program is free software: you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation, either version 3 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
6b73d9a5 | 23 | #include <string.h> |
8b35f474 | 24 | #include <inttypes.h> |
187b3582 | 25 | #include <libusb.h> |
f302a082 | 26 | #include "config.h" |
45c59c8b BV |
27 | #include "libsigrok.h" |
28 | #include "libsigrok-internal.h" | |
f302a082 | 29 | #include "fx2lafw.h" |
f6582cd7 | 30 | #include "command.h" |
f302a082 | 31 | |
4679d14d | 32 | static const struct fx2lafw_profile supported_fx2[] = { |
7ae2f9d5 UH |
33 | /* |
34 | * CWAV USBee AX | |
17b6c75a | 35 | * EE Electronics ESLA201A |
9f05304e | 36 | * ARMFLY AX-Pro |
17b6c75a | 37 | */ |
f8b07fc6 | 38 | { 0x08a9, 0x0014, "CWAV", "USBee AX", NULL, |
d1ddc7a9 JH |
39 | FIRMWARE_DIR "/fx2lafw-cwav-usbeeax.fw", |
40 | 0 }, | |
0e8d0e24 IF |
41 | /* |
42 | * CWAV USBee DX | |
43 | * XZL-Studio DX | |
44 | */ | |
45 | { 0x08a9, 0x0015, "CWAV", "USBee DX", NULL, | |
46 | FIRMWARE_DIR "/fx2lafw-cwav-usbeedx.fw", | |
47 | DEV_CAPS_16BIT }, | |
93a9f3da | 48 | |
7ae2f9d5 UH |
49 | /* |
50 | * CWAV USBee SX | |
4502e869 JH |
51 | */ |
52 | { 0x08a9, 0x0009, "CWAV", "USBee SX", NULL, | |
d1ddc7a9 JH |
53 | FIRMWARE_DIR "/fx2lafw-cwav-usbeesx.fw", |
54 | 0 }, | |
4502e869 | 55 | |
7ae2f9d5 UH |
56 | /* |
57 | * Saleae Logic | |
93a9f3da JH |
58 | * EE Electronics ESLA100 |
59 | * Robomotic MiniLogic | |
1663e470 | 60 | * Robomotic BugLogic 3 |
93a9f3da JH |
61 | */ |
62 | { 0x0925, 0x3881, "Saleae", "Logic", NULL, | |
d1ddc7a9 JH |
63 | FIRMWARE_DIR "/fx2lafw-saleae-logic.fw", |
64 | 0 }, | |
93a9f3da | 65 | |
f488762a | 66 | /* |
1663e470 UH |
67 | * Default Cypress FX2 without EEPROM, e.g.: |
68 | * Lcsoft Mini Board | |
69 | * Braintechnology USB Interface V2.x | |
f488762a JH |
70 | */ |
71 | { 0x04B4, 0x8613, "Cypress", "FX2", NULL, | |
d1ddc7a9 JH |
72 | FIRMWARE_DIR "/fx2lafw-cypress-fx2.fw", |
73 | DEV_CAPS_16BIT }, | |
f488762a | 74 | |
1663e470 UH |
75 | /* |
76 | * Braintechnology USB-LPS | |
77 | */ | |
78 | { 0x16d0, 0x0498, "Braintechnology", "USB-LPS", NULL, | |
d1ddc7a9 JH |
79 | FIRMWARE_DIR "/fx2lafw-braintechnology-usb-lps.fw", |
80 | DEV_CAPS_16BIT }, | |
1663e470 | 81 | |
f8b07fc6 | 82 | { 0, 0, 0, 0, 0, 0, 0 } |
187b3582 JH |
83 | }; |
84 | ||
915f7cc8 | 85 | static const int hwcaps[] = { |
8b35f474 JH |
86 | SR_HWCAP_LOGIC_ANALYZER, |
87 | SR_HWCAP_SAMPLERATE, | |
88 | ||
89 | /* These are really implemented in the driver, not the hardware. */ | |
90 | SR_HWCAP_LIMIT_SAMPLES, | |
91 | SR_HWCAP_CONTINUOUS, | |
772a0e61 | 92 | 0, |
8b35f474 JH |
93 | }; |
94 | ||
da686568 | 95 | static const char *probe_names[] = { |
7ae2f9d5 UH |
96 | "0", |
97 | "1", | |
98 | "2", | |
99 | "3", | |
100 | "4", | |
101 | "5", | |
102 | "6", | |
103 | "7", | |
d1ddc7a9 JH |
104 | "8", |
105 | "9", | |
106 | "10", | |
107 | "11", | |
108 | "12", | |
109 | "13", | |
110 | "14", | |
111 | "15", | |
772a0e61 | 112 | NULL, |
8b35f474 JH |
113 | }; |
114 | ||
a533743d | 115 | static const uint64_t supported_samplerates[] = { |
79dc6498 JH |
116 | SR_KHZ(20), |
117 | SR_KHZ(25), | |
897c1a2e JH |
118 | SR_KHZ(50), |
119 | SR_KHZ(100), | |
9304d576 JH |
120 | SR_KHZ(200), |
121 | SR_KHZ(250), | |
122 | SR_KHZ(500), | |
8b35f474 JH |
123 | SR_MHZ(1), |
124 | SR_MHZ(2), | |
125 | SR_MHZ(3), | |
126 | SR_MHZ(4), | |
127 | SR_MHZ(6), | |
128 | SR_MHZ(8), | |
129 | SR_MHZ(12), | |
130 | SR_MHZ(16), | |
772a0e61 | 131 | SR_MHZ(24), |
934cde02 | 132 | 0, |
8b35f474 JH |
133 | }; |
134 | ||
a533743d | 135 | static const struct sr_samplerates samplerates = { |
590b9f9a UH |
136 | 0, |
137 | 0, | |
138 | 0, | |
139 | supported_samplerates, | |
8b35f474 JH |
140 | }; |
141 | ||
a8cc8e44 BV |
142 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info; |
143 | static struct sr_dev_driver *fdi = &fx2lafw_driver_info; | |
25a0f108 | 144 | static int hw_dev_close(struct sr_dev_inst *sdi); |
6f4b1868 BV |
145 | static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, |
146 | const void *value); | |
3ffb6964 BV |
147 | static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi, |
148 | void *cb_data); | |
610dbb70 | 149 | |
b1eeb67e JH |
150 | /** |
151 | * Check the USB configuration to determine if this is an fx2lafw device. | |
152 | * | |
f9a69557 UH |
153 | * @return TRUE if the device's configuration profile match fx2lafw |
154 | * configuration, FALSE otherwise. | |
b1eeb67e | 155 | */ |
f9a69557 | 156 | static gboolean check_conf_profile(libusb_device *dev) |
b1eeb67e JH |
157 | { |
158 | struct libusb_device_descriptor des; | |
6b73d9a5 BV |
159 | struct libusb_device_handle *hdl; |
160 | gboolean ret; | |
161 | unsigned char strdesc[64]; | |
b1eeb67e | 162 | |
6b73d9a5 BV |
163 | hdl = NULL; |
164 | ret = FALSE; | |
b1eeb67e | 165 | while (!ret) { |
da686568 | 166 | /* Assume the FW has not been loaded, unless proven wrong. */ |
b1eeb67e JH |
167 | if (libusb_get_device_descriptor(dev, &des) != 0) |
168 | break; | |
169 | ||
6b73d9a5 | 170 | if (libusb_open(dev, &hdl) != 0) |
b1eeb67e JH |
171 | break; |
172 | ||
6b73d9a5 BV |
173 | if (libusb_get_string_descriptor_ascii(hdl, |
174 | des.iManufacturer, strdesc, sizeof(strdesc)) < 0) | |
b1eeb67e | 175 | break; |
6b73d9a5 | 176 | if (strncmp((const char *)strdesc, "sigrok", 6)) |
b1eeb67e JH |
177 | break; |
178 | ||
6b73d9a5 BV |
179 | if (libusb_get_string_descriptor_ascii(hdl, |
180 | des.iProduct, strdesc, sizeof(strdesc)) < 0) | |
b1eeb67e | 181 | break; |
6b73d9a5 | 182 | if (strncmp((const char *)strdesc, "fx2lafw", 7)) |
b1eeb67e JH |
183 | break; |
184 | ||
b1eeb67e | 185 | /* If we made it here, it must be an fx2lafw. */ |
f9a69557 | 186 | ret = TRUE; |
b1eeb67e | 187 | } |
6b73d9a5 BV |
188 | if (hdl) |
189 | libusb_close(hdl); | |
b1eeb67e JH |
190 | |
191 | return ret; | |
192 | } | |
193 | ||
25a0f108 | 194 | static int fx2lafw_dev_open(struct sr_dev_inst *sdi) |
43125c69 JH |
195 | { |
196 | libusb_device **devlist; | |
197 | struct libusb_device_descriptor des; | |
dc9dbe94 BV |
198 | struct drv_context *drvc; |
199 | struct dev_context *devc; | |
13bf7ecc | 200 | struct version_info vi; |
ebc34738 | 201 | int ret, skip, i; |
1e94408a | 202 | uint8_t revid; |
43125c69 | 203 | |
dc9dbe94 BV |
204 | drvc = fdi->priv; |
205 | devc = sdi->priv; | |
43125c69 JH |
206 | |
207 | if (sdi->status == SR_ST_ACTIVE) | |
208 | /* already in use */ | |
209 | return SR_ERR; | |
210 | ||
211 | skip = 0; | |
dc9dbe94 | 212 | const int device_count = libusb_get_device_list(drvc->usb_context, &devlist); |
6fbe5e60 JH |
213 | if (device_count < 0) { |
214 | sr_err("fx2lafw: Failed to retrieve device list (%d)", | |
215 | device_count); | |
216 | return SR_ERR; | |
217 | } | |
218 | ||
219 | for (i = 0; i < device_count; i++) { | |
ebc34738 | 220 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { |
7ae2f9d5 UH |
221 | sr_err("fx2lafw: Failed to get device descriptor: %d.", |
222 | ret); | |
43125c69 JH |
223 | continue; |
224 | } | |
225 | ||
dc9dbe94 BV |
226 | if (des.idVendor != devc->profile->vid |
227 | || des.idProduct != devc->profile->pid) | |
43125c69 JH |
228 | continue; |
229 | ||
230 | if (sdi->status == SR_ST_INITIALIZING) { | |
25a0f108 | 231 | if (skip != sdi->index) { |
43125c69 JH |
232 | /* Skip devices of this type that aren't the one we want. */ |
233 | skip += 1; | |
234 | continue; | |
235 | } | |
236 | } else if (sdi->status == SR_ST_INACTIVE) { | |
237 | /* | |
238 | * This device is fully enumerated, so we need to find | |
239 | * this device by vendor, product, bus and address. | |
240 | */ | |
dc9dbe94 BV |
241 | if (libusb_get_bus_number(devlist[i]) != devc->usb->bus |
242 | || libusb_get_device_address(devlist[i]) != devc->usb->address) | |
43125c69 JH |
243 | /* this is not the one */ |
244 | continue; | |
245 | } | |
246 | ||
dc9dbe94 BV |
247 | if (!(ret = libusb_open(devlist[i], &devc->usb->devhdl))) { |
248 | if (devc->usb->address == 0xff) | |
43125c69 JH |
249 | /* |
250 | * first time we touch this device after firmware upload, | |
251 | * so we don't know the address yet. | |
252 | */ | |
dc9dbe94 | 253 | devc->usb->address = libusb_get_device_address(devlist[i]); |
43125c69 | 254 | } else { |
7ae2f9d5 | 255 | sr_err("fx2lafw: Failed to open device: %d.", ret); |
13bf7ecc JH |
256 | break; |
257 | } | |
258 | ||
dc9dbe94 | 259 | ret = command_get_fw_version(devc->usb->devhdl, &vi); |
44dfd483 | 260 | if (ret != SR_OK) { |
13bf7ecc | 261 | sr_err("fx2lafw: Failed to retrieve " |
44dfd483 | 262 | "firmware version information."); |
13bf7ecc | 263 | break; |
43125c69 JH |
264 | } |
265 | ||
dc9dbe94 | 266 | ret = command_get_revid_version(devc->usb->devhdl, &revid); |
1e94408a UH |
267 | if (ret != SR_OK) { |
268 | sr_err("fx2lafw: Failed to retrieve REVID."); | |
269 | break; | |
270 | } | |
271 | ||
0a8c0c32 UH |
272 | /* |
273 | * Changes in major version mean incompatible/API changes, so | |
274 | * bail out if we encounter an incompatible version. | |
275 | * Different minor versions are OK, they should be compatible. | |
276 | */ | |
277 | if (vi.major != FX2LAFW_REQUIRED_VERSION_MAJOR) { | |
278 | sr_err("fx2lafw: Expected firmware version %d.x, " | |
279 | "got %d.%d.", FX2LAFW_REQUIRED_VERSION_MAJOR, | |
280 | vi.major, vi.minor); | |
13bf7ecc JH |
281 | break; |
282 | } | |
283 | ||
284 | sdi->status = SR_ST_ACTIVE; | |
285 | sr_info("fx2lafw: Opened device %d on %d.%d " | |
1e94408a | 286 | "interface %d, firmware %d.%d, REVID %d.", |
dc9dbe94 | 287 | sdi->index, devc->usb->bus, devc->usb->address, |
1e94408a | 288 | USB_INTERFACE, vi.major, vi.minor, revid); |
13bf7ecc | 289 | |
43125c69 JH |
290 | break; |
291 | } | |
292 | libusb_free_device_list(devlist, 1); | |
293 | ||
294 | if (sdi->status != SR_ST_ACTIVE) | |
295 | return SR_ERR; | |
296 | ||
297 | return SR_OK; | |
298 | } | |
299 | ||
dc9dbe94 | 300 | static int configure_probes(struct dev_context *devc, GSList *probes) |
6c6781b6 JH |
301 | { |
302 | struct sr_probe *probe; | |
303 | GSList *l; | |
304 | int probe_bit, stage, i; | |
305 | char *tc; | |
306 | ||
307 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { | |
dc9dbe94 BV |
308 | devc->trigger_mask[i] = 0; |
309 | devc->trigger_value[i] = 0; | |
6c6781b6 JH |
310 | } |
311 | ||
312 | stage = -1; | |
313 | for (l = probes; l; l = l->next) { | |
314 | probe = (struct sr_probe *)l->data; | |
315 | if (probe->enabled == FALSE) | |
316 | continue; | |
d1ddc7a9 | 317 | |
b35c8293 | 318 | if (probe->index > 7) |
dc9dbe94 | 319 | devc->sample_wide = TRUE; |
d1ddc7a9 | 320 | |
b35c8293 | 321 | probe_bit = 1 << (probe->index); |
6c6781b6 JH |
322 | if (!(probe->trigger)) |
323 | continue; | |
324 | ||
325 | stage = 0; | |
326 | for (tc = probe->trigger; *tc; tc++) { | |
dc9dbe94 | 327 | devc->trigger_mask[stage] |= probe_bit; |
6c6781b6 | 328 | if (*tc == '1') |
dc9dbe94 | 329 | devc->trigger_value[stage] |= probe_bit; |
6c6781b6 JH |
330 | stage++; |
331 | if (stage > NUM_TRIGGER_STAGES) | |
332 | return SR_ERR; | |
333 | } | |
334 | } | |
335 | ||
336 | if (stage == -1) | |
337 | /* | |
338 | * We didn't configure any triggers, make sure acquisition | |
339 | * doesn't wait for any. | |
340 | */ | |
dc9dbe94 | 341 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 | 342 | else |
dc9dbe94 | 343 | devc->trigger_stage = 0; |
6c6781b6 JH |
344 | |
345 | return SR_OK; | |
346 | } | |
347 | ||
dc9dbe94 | 348 | static struct dev_context *fx2lafw_dev_new(void) |
187b3582 | 349 | { |
dc9dbe94 | 350 | struct dev_context *devc; |
187b3582 | 351 | |
dc9dbe94 BV |
352 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { |
353 | sr_err("fx2lafw: %s: devc malloc failed.", __func__); | |
187b3582 JH |
354 | return NULL; |
355 | } | |
356 | ||
dc9dbe94 | 357 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 | 358 | |
dc9dbe94 | 359 | return devc; |
187b3582 | 360 | } |
f302a082 | 361 | |
f69b47f0 BV |
362 | static int clear_instances(void) |
363 | { | |
364 | GSList *l; | |
365 | struct sr_dev_inst *sdi; | |
dc9dbe94 BV |
366 | struct drv_context *drvc; |
367 | struct dev_context *devc; | |
f69b47f0 BV |
368 | int ret; |
369 | ||
dc9dbe94 | 370 | drvc = fdi->priv; |
f69b47f0 | 371 | ret = SR_OK; |
dc9dbe94 | 372 | for (l = drvc->instances; l; l = l->next) { |
f69b47f0 BV |
373 | if (!(sdi = l->data)) { |
374 | /* Log error, but continue cleaning up the rest. */ | |
375 | sr_err("fx2lafw: %s: sdi was NULL, continuing.", | |
376 | __func__); | |
377 | ret = SR_ERR_BUG; | |
378 | continue; | |
379 | } | |
dc9dbe94 | 380 | if (!(devc = sdi->priv)) { |
f69b47f0 BV |
381 | /* Log error, but continue cleaning up the rest. */ |
382 | sr_err("fx2lafw: %s: sdi->priv was NULL, continuing", | |
383 | __func__); | |
384 | ret = SR_ERR_BUG; | |
385 | continue; | |
386 | } | |
25a0f108 | 387 | hw_dev_close(sdi); |
f69b47f0 BV |
388 | sdi = l->data; |
389 | sr_dev_inst_free(sdi); | |
390 | } | |
391 | ||
dc9dbe94 BV |
392 | g_slist_free(drvc->instances); |
393 | drvc->instances = NULL; | |
f69b47f0 BV |
394 | |
395 | return ret; | |
396 | } | |
397 | ||
398 | ||
f302a082 JH |
399 | /* |
400 | * API callbacks | |
401 | */ | |
402 | ||
40dda2c3 | 403 | static int hw_init(void) |
61136ea6 | 404 | { |
dc9dbe94 BV |
405 | struct drv_context *drvc; |
406 | ||
407 | if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) { | |
408 | sr_err("fx2lafw: driver context malloc failed."); | |
409 | return SR_ERR; | |
410 | } | |
61136ea6 | 411 | |
dc9dbe94 BV |
412 | if (libusb_init(&drvc->usb_context) != 0) { |
413 | g_free(drvc); | |
61136ea6 BV |
414 | sr_warn("fx2lafw: Failed to initialize libusb."); |
415 | return SR_ERR; | |
416 | } | |
417 | ||
dc9dbe94 BV |
418 | fdi->priv = drvc; |
419 | ||
61136ea6 BV |
420 | return SR_OK; |
421 | } | |
422 | ||
3a7a22cb | 423 | static GSList *hw_scan(GSList *options) |
f302a082 | 424 | { |
3a7a22cb | 425 | GSList *devices; |
187b3582 | 426 | struct libusb_device_descriptor des; |
3a7a22cb | 427 | struct sr_dev_inst *sdi; |
da686568 | 428 | const struct fx2lafw_profile *prof; |
dc9dbe94 BV |
429 | struct drv_context *drvc; |
430 | struct dev_context *devc; | |
3a7a22cb | 431 | struct sr_probe *probe; |
187b3582 | 432 | libusb_device **devlist; |
3a7a22cb BV |
433 | int devcnt, num_logic_probes, ret, i, j; |
434 | ||
435 | /* Avoid compiler warnings. */ | |
436 | (void)options; | |
dc9dbe94 | 437 | drvc = fdi->priv; |
187b3582 | 438 | |
f69b47f0 BV |
439 | /* This scan always invalidates any previous scans. */ |
440 | clear_instances(); | |
441 | ||
921634ec | 442 | /* Find all fx2lafw compatible devices and upload firmware to them. */ |
3a7a22cb | 443 | devices = NULL; |
dc9dbe94 | 444 | libusb_get_device_list(drvc->usb_context, &devlist); |
187b3582 JH |
445 | for (i = 0; devlist[i]; i++) { |
446 | ||
ebc34738 | 447 | if ((ret = libusb_get_device_descriptor( |
7ae2f9d5 UH |
448 | devlist[i], &des)) != 0) { |
449 | sr_warn("fx2lafw: Failed to get device descriptor: %d.", ret); | |
187b3582 JH |
450 | continue; |
451 | } | |
452 | ||
da686568 | 453 | prof = NULL; |
187b3582 JH |
454 | for (j = 0; supported_fx2[j].vid; j++) { |
455 | if (des.idVendor == supported_fx2[j].vid && | |
456 | des.idProduct == supported_fx2[j].pid) { | |
da686568 | 457 | prof = &supported_fx2[j]; |
187b3582 JH |
458 | } |
459 | } | |
460 | ||
461 | /* Skip if the device was not found */ | |
da686568 | 462 | if (!prof) |
187b3582 JH |
463 | continue; |
464 | ||
dc9dbe94 | 465 | devcnt = g_slist_length(drvc->instances); |
187b3582 | 466 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, |
da686568 | 467 | prof->vendor, prof->model, prof->model_version); |
f4a9e5c0 | 468 | if (!sdi) |
25a0f108 | 469 | return NULL; |
c5e82ca5 | 470 | sdi->driver = fdi; |
187b3582 | 471 | |
06717a8a BV |
472 | /* Fill in probelist according to this device's profile. */ |
473 | num_logic_probes = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8; | |
c5e82ca5 | 474 | for (j = 0; j < num_logic_probes; j++) { |
06717a8a BV |
475 | if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE, |
476 | probe_names[j]))) | |
25a0f108 | 477 | return NULL; |
06717a8a BV |
478 | sdi->probes = g_slist_append(sdi->probes, probe); |
479 | } | |
480 | ||
dc9dbe94 BV |
481 | devc = fx2lafw_dev_new(); |
482 | devc->profile = prof; | |
483 | sdi->priv = devc; | |
484 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
a8cc8e44 | 485 | devices = g_slist_append(devices, sdi); |
187b3582 | 486 | |
b1eeb67e JH |
487 | if (check_conf_profile(devlist[i])) { |
488 | /* Already has the firmware, so fix the new address. */ | |
7ae2f9d5 | 489 | sr_dbg("fx2lafw: Found an fx2lafw device."); |
b1eeb67e | 490 | sdi->status = SR_ST_INACTIVE; |
dc9dbe94 | 491 | devc->usb = sr_usb_dev_inst_new |
b1eeb67e JH |
492 | (libusb_get_bus_number(devlist[i]), |
493 | libusb_get_device_address(devlist[i]), NULL); | |
494 | } else { | |
f8b07fc6 | 495 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
da686568 | 496 | prof->firmware) == SR_OK) |
b1eeb67e | 497 | /* Remember when the firmware on this device was updated */ |
dc9dbe94 | 498 | devc->fw_updated = g_get_monotonic_time(); |
b1eeb67e | 499 | else |
7ae2f9d5 UH |
500 | sr_err("fx2lafw: Firmware upload failed for " |
501 | "device %d.", devcnt); | |
dc9dbe94 | 502 | devc->usb = sr_usb_dev_inst_new |
b1eeb67e JH |
503 | (libusb_get_bus_number(devlist[i]), 0xff, NULL); |
504 | } | |
187b3582 JH |
505 | } |
506 | libusb_free_device_list(devlist, 1); | |
507 | ||
3a7a22cb | 508 | return devices; |
f302a082 JH |
509 | } |
510 | ||
25a0f108 | 511 | static int hw_dev_open(struct sr_dev_inst *sdi) |
f302a082 | 512 | { |
dc9dbe94 | 513 | struct dev_context *devc; |
e8bd58ff UH |
514 | int ret; |
515 | int64_t timediff_us, timediff_ms; | |
43125c69 | 516 | |
dc9dbe94 | 517 | devc = sdi->priv; |
43125c69 JH |
518 | |
519 | /* | |
f60fdf6e UH |
520 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
521 | * milliseconds for the FX2 to renumerate. | |
43125c69 | 522 | */ |
3b6c1930 | 523 | ret = SR_ERR; |
dc9dbe94 | 524 | if (devc->fw_updated > 0) { |
7ae2f9d5 | 525 | sr_info("fx2lafw: Waiting for device to reset."); |
43125c69 JH |
526 | /* takes at least 300ms for the FX2 to be gone from the USB bus */ |
527 | g_usleep(300 * 1000); | |
e8bd58ff | 528 | timediff_ms = 0; |
f60fdf6e | 529 | while (timediff_ms < MAX_RENUM_DELAY_MS) { |
25a0f108 | 530 | if ((ret = fx2lafw_dev_open(sdi)) == SR_OK) |
43125c69 JH |
531 | break; |
532 | g_usleep(100 * 1000); | |
e8bd58ff | 533 | |
dc9dbe94 | 534 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
3b6c1930 BV |
535 | timediff_ms = timediff_us / 1000; |
536 | sr_spew("fx2lafw: waited %" PRIi64 " ms", timediff_ms); | |
43125c69 | 537 | } |
e8bd58ff | 538 | sr_info("fx2lafw: Device came back after %d ms.", timediff_ms); |
43125c69 | 539 | } else { |
25a0f108 | 540 | ret = fx2lafw_dev_open(sdi); |
43125c69 JH |
541 | } |
542 | ||
ebc34738 | 543 | if (ret != SR_OK) { |
7ae2f9d5 | 544 | sr_err("fx2lafw: Unable to open device."); |
43125c69 JH |
545 | return SR_ERR; |
546 | } | |
dc9dbe94 | 547 | devc = sdi->priv; |
43125c69 | 548 | |
dc9dbe94 | 549 | ret = libusb_claim_interface(devc->usb->devhdl, USB_INTERFACE); |
ebc34738 | 550 | if (ret != 0) { |
0c156e06 JH |
551 | switch(ret) { |
552 | case LIBUSB_ERROR_BUSY: | |
553 | sr_err("fx2lafw: Unable to claim USB interface. Another " | |
554 | "program or driver has already claimed it."); | |
555 | break; | |
556 | ||
557 | case LIBUSB_ERROR_NO_DEVICE: | |
558 | sr_err("fx2lafw: Device has been disconnected."); | |
559 | break; | |
560 | ||
561 | default: | |
562 | sr_err("fx2lafw: Unable to claim interface: %d.", ret); | |
563 | break; | |
564 | } | |
565 | ||
43125c69 JH |
566 | return SR_ERR; |
567 | } | |
568 | ||
dc9dbe94 | 569 | if (devc->cur_samplerate == 0) { |
f92994fd | 570 | /* Samplerate hasn't been set; default to the slowest one. */ |
6f4b1868 | 571 | if (hw_dev_config_set(sdi, SR_HWCAP_SAMPLERATE, |
590b9f9a | 572 | &supported_samplerates[0]) == SR_ERR) |
f92994fd JH |
573 | return SR_ERR; |
574 | } | |
575 | ||
f302a082 JH |
576 | return SR_OK; |
577 | } | |
578 | ||
25a0f108 | 579 | static int hw_dev_close(struct sr_dev_inst *sdi) |
f302a082 | 580 | { |
dc9dbe94 | 581 | struct dev_context *devc; |
f1898235 | 582 | |
dc9dbe94 BV |
583 | devc = sdi->priv; |
584 | if (devc->usb->devhdl == NULL) | |
25a0f108 | 585 | return SR_ERR; |
f1898235 | 586 | |
25a0f108 | 587 | sr_info("fx2lafw: Closing device %d on %d.%d interface %d.", |
dc9dbe94 BV |
588 | sdi->index, devc->usb->bus, devc->usb->address, USB_INTERFACE); |
589 | libusb_release_interface(devc->usb->devhdl, USB_INTERFACE); | |
590 | libusb_close(devc->usb->devhdl); | |
591 | devc->usb->devhdl = NULL; | |
25a0f108 | 592 | sdi->status = SR_ST_INACTIVE; |
f1898235 | 593 | |
f302a082 JH |
594 | return SR_OK; |
595 | } | |
596 | ||
597 | static int hw_cleanup(void) | |
598 | { | |
dc9dbe94 | 599 | struct drv_context *drvc; |
f69b47f0 | 600 | int ret; |
187b3582 | 601 | |
dc9dbe94 BV |
602 | if (!(drvc = fdi->priv)) |
603 | return SR_OK; | |
604 | ||
f69b47f0 | 605 | ret = clear_instances(); |
187b3582 | 606 | |
dc9dbe94 BV |
607 | if (drvc->usb_context) |
608 | libusb_exit(drvc->usb_context); | |
609 | drvc->usb_context = NULL; | |
610 | ||
611 | g_free(drvc); | |
612 | fdi->priv = NULL; | |
187b3582 | 613 | |
62bc70e4 | 614 | return ret; |
f302a082 JH |
615 | } |
616 | ||
cbd798f4 | 617 | static int hw_info_get(int info_id, const void **data, |
6e9339aa | 618 | const struct sr_dev_inst *sdi) |
f302a082 | 619 | { |
dc9dbe94 | 620 | struct dev_context *devc; |
8b35f474 | 621 | |
cbd798f4 | 622 | switch (info_id) { |
a27999e6 BV |
623 | case SR_DI_HWCAPS: |
624 | *data = hwcaps; | |
625 | break; | |
8b35f474 | 626 | case SR_DI_NUM_PROBES: |
6e9339aa | 627 | if (sdi) { |
dc9dbe94 | 628 | devc = sdi->priv; |
6e9339aa | 629 | *data = GINT_TO_POINTER( |
dc9dbe94 | 630 | (devc->profile->dev_caps & DEV_CAPS_16BIT) ? |
6e9339aa BV |
631 | 16 : 8); |
632 | } else | |
633 | return SR_ERR; | |
634 | break; | |
8b35f474 | 635 | case SR_DI_PROBE_NAMES: |
6e9339aa BV |
636 | *data = probe_names; |
637 | break; | |
8b35f474 | 638 | case SR_DI_SAMPLERATES: |
6e9339aa BV |
639 | *data = &samplerates; |
640 | break; | |
8b35f474 | 641 | case SR_DI_TRIGGER_TYPES: |
6e9339aa BV |
642 | *data = TRIGGER_TYPES; |
643 | break; | |
e3186647 | 644 | case SR_DI_CUR_SAMPLERATE: |
6e9339aa | 645 | if (sdi) { |
dc9dbe94 BV |
646 | devc = sdi->priv; |
647 | *data = &devc->cur_samplerate; | |
6e9339aa BV |
648 | } else |
649 | return SR_ERR; | |
650 | break; | |
651 | default: | |
652 | return SR_ERR_ARG; | |
8b35f474 JH |
653 | } |
654 | ||
6e9339aa | 655 | return SR_OK; |
f302a082 JH |
656 | } |
657 | ||
6f4b1868 BV |
658 | static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, |
659 | const void *value) | |
f302a082 | 660 | { |
dc9dbe94 | 661 | struct dev_context *devc; |
7cb621d4 JH |
662 | int ret; |
663 | ||
dc9dbe94 | 664 | devc = sdi->priv; |
7cb621d4 | 665 | |
e3186647 | 666 | if (hwcap == SR_HWCAP_SAMPLERATE) { |
dc9dbe94 | 667 | devc->cur_samplerate = *(const uint64_t *)value; |
e3186647 JH |
668 | ret = SR_OK; |
669 | } else if (hwcap == SR_HWCAP_PROBECONFIG) { | |
dc9dbe94 | 670 | ret = configure_probes(devc, (GSList *) value); |
e3186647 | 671 | } else if (hwcap == SR_HWCAP_LIMIT_SAMPLES) { |
dc9dbe94 | 672 | devc->limit_samples = *(const uint64_t *)value; |
7cb621d4 JH |
673 | ret = SR_OK; |
674 | } else { | |
675 | ret = SR_ERR; | |
676 | } | |
677 | ||
678 | return ret; | |
f302a082 JH |
679 | } |
680 | ||
1f9813eb | 681 | static int receive_data(int fd, int revents, void *cb_data) |
610dbb70 | 682 | { |
dc9dbe94 | 683 | struct drv_context *drvc; |
610dbb70 JH |
684 | struct timeval tv; |
685 | ||
686 | /* Avoid compiler warnings. */ | |
687 | (void)fd; | |
688 | (void)revents; | |
1f9813eb | 689 | (void)cb_data; |
610dbb70 | 690 | |
dc9dbe94 | 691 | drvc = fdi->priv; |
610dbb70 | 692 | tv.tv_sec = tv.tv_usec = 0; |
dc9dbe94 | 693 | libusb_handle_events_timeout(drvc->usb_context, &tv); |
610dbb70 JH |
694 | |
695 | return TRUE; | |
696 | } | |
697 | ||
dc9dbe94 | 698 | static void abort_acquisition(struct dev_context *devc) |
cb61e9f7 | 699 | { |
e7d087bf | 700 | int i; |
0caa1ef0 | 701 | |
dc9dbe94 | 702 | devc->num_samples = -1; |
0caa1ef0 | 703 | |
dc9dbe94 BV |
704 | for (i = devc->num_transfers - 1; i >= 0; i--) { |
705 | if (devc->transfers[i]) | |
706 | libusb_cancel_transfer(devc->transfers[i]); | |
0caa1ef0 | 707 | } |
cb61e9f7 JH |
708 | } |
709 | ||
dc9dbe94 | 710 | static void finish_acquisition(struct dev_context *devc) |
2e526f4a | 711 | { |
dc9dbe94 | 712 | struct drv_context *drvc; |
2e526f4a | 713 | struct sr_datafeed_packet packet; |
cb61e9f7 | 714 | int i; |
2e526f4a | 715 | |
dc9dbe94 BV |
716 | drvc = fdi->priv; |
717 | ||
cb61e9f7 | 718 | /* Terminate session */ |
2e526f4a | 719 | packet.type = SR_DF_END; |
dc9dbe94 | 720 | sr_session_send(devc->session_dev_id, &packet); |
2e526f4a | 721 | |
cb61e9f7 JH |
722 | /* Remove fds from polling */ |
723 | const struct libusb_pollfd **const lupfd = | |
dc9dbe94 | 724 | libusb_get_pollfds(drvc->usb_context); |
cb61e9f7 JH |
725 | for (i = 0; lupfd[i]; i++) |
726 | sr_source_remove(lupfd[i]->fd); | |
727 | free(lupfd); /* NOT g_free()! */ | |
0caa1ef0 | 728 | |
dc9dbe94 BV |
729 | devc->num_transfers = 0; |
730 | g_free(devc->transfers); | |
2e526f4a JH |
731 | } |
732 | ||
f855de75 LPC |
733 | static void free_transfer(struct libusb_transfer *transfer) |
734 | { | |
dc9dbe94 | 735 | struct dev_context *devc = transfer->user_data; |
0caa1ef0 | 736 | unsigned int i; |
f855de75 LPC |
737 | |
738 | g_free(transfer->buffer); | |
739 | transfer->buffer = NULL; | |
740 | libusb_free_transfer(transfer); | |
741 | ||
dc9dbe94 BV |
742 | for (i = 0; i < devc->num_transfers; i++) { |
743 | if (devc->transfers[i] == transfer) { | |
744 | devc->transfers[i] = NULL; | |
0caa1ef0 LPC |
745 | break; |
746 | } | |
747 | } | |
748 | ||
dc9dbe94 BV |
749 | devc->submitted_transfers--; |
750 | if (devc->submitted_transfers == 0) | |
751 | finish_acquisition(devc); | |
f855de75 LPC |
752 | |
753 | } | |
754 | ||
17dff8a1 LPC |
755 | static void resubmit_transfer(struct libusb_transfer *transfer) |
756 | { | |
17dff8a1 LPC |
757 | if (libusb_submit_transfer(transfer) != 0) { |
758 | free_transfer(transfer); | |
759 | /* TODO: Stop session? */ | |
760 | /* TODO: Better error message. */ | |
761 | sr_err("fx2lafw: %s: libusb_submit_transfer error.", __func__); | |
762 | } | |
763 | } | |
764 | ||
610dbb70 JH |
765 | static void receive_transfer(struct libusb_transfer *transfer) |
766 | { | |
7ce737a7 | 767 | gboolean packet_has_error = FALSE; |
610dbb70 JH |
768 | struct sr_datafeed_packet packet; |
769 | struct sr_datafeed_logic logic; | |
dc9dbe94 | 770 | struct dev_context *devc = transfer->user_data; |
d1ddc7a9 | 771 | int trigger_offset, i; |
610dbb70 | 772 | |
610dbb70 JH |
773 | /* |
774 | * If acquisition has already ended, just free any queued up | |
775 | * transfer that come in. | |
776 | */ | |
dc9dbe94 | 777 | if (devc->num_samples == -1) { |
f855de75 | 778 | free_transfer(transfer); |
610dbb70 JH |
779 | return; |
780 | } | |
781 | ||
7ae2f9d5 | 782 | sr_info("fx2lafw: receive_transfer(): status %d received %d bytes.", |
610dbb70 JH |
783 | transfer->status, transfer->actual_length); |
784 | ||
785 | /* Save incoming transfer before reusing the transfer struct. */ | |
d1ddc7a9 | 786 | uint8_t *const cur_buf = transfer->buffer; |
dc9dbe94 | 787 | const int sample_width = devc->sample_wide ? 2 : 1; |
d1ddc7a9 | 788 | const int cur_sample_count = transfer->actual_length / sample_width; |
610dbb70 | 789 | |
7ce737a7 LPC |
790 | switch (transfer->status) { |
791 | case LIBUSB_TRANSFER_NO_DEVICE: | |
dc9dbe94 | 792 | abort_acquisition(devc); |
7ce737a7 LPC |
793 | free_transfer(transfer); |
794 | return; | |
795 | case LIBUSB_TRANSFER_COMPLETED: | |
796 | case LIBUSB_TRANSFER_TIMED_OUT: /* We may have received some data though */ | |
797 | break; | |
798 | default: | |
799 | packet_has_error = TRUE; | |
800 | break; | |
801 | } | |
802 | ||
803 | if (transfer->actual_length == 0 || packet_has_error) { | |
dc9dbe94 BV |
804 | devc->empty_transfer_count++; |
805 | if (devc->empty_transfer_count > MAX_EMPTY_TRANSFERS) { | |
610dbb70 JH |
806 | /* |
807 | * The FX2 gave up. End the acquisition, the frontend | |
808 | * will work out that the samplecount is short. | |
809 | */ | |
dc9dbe94 | 810 | abort_acquisition(devc); |
17dff8a1 LPC |
811 | free_transfer(transfer); |
812 | } else { | |
813 | resubmit_transfer(transfer); | |
610dbb70 JH |
814 | } |
815 | return; | |
816 | } else { | |
dc9dbe94 | 817 | devc->empty_transfer_count = 0; |
610dbb70 JH |
818 | } |
819 | ||
6c6781b6 | 820 | trigger_offset = 0; |
dc9dbe94 | 821 | if (devc->trigger_stage >= 0) { |
d1ddc7a9 JH |
822 | for (i = 0; i < cur_sample_count; i++) { |
823 | ||
dc9dbe94 | 824 | const uint16_t cur_sample = devc->sample_wide ? |
d1ddc7a9 JH |
825 | *((const uint16_t*)cur_buf + i) : |
826 | *((const uint8_t*)cur_buf + i); | |
6c6781b6 | 827 | |
dc9dbe94 BV |
828 | if ((cur_sample & devc->trigger_mask[devc->trigger_stage]) == |
829 | devc->trigger_value[devc->trigger_stage]) { | |
6c6781b6 | 830 | /* Match on this trigger stage. */ |
dc9dbe94 BV |
831 | devc->trigger_buffer[devc->trigger_stage] = cur_sample; |
832 | devc->trigger_stage++; | |
6c6781b6 | 833 | |
dc9dbe94 BV |
834 | if (devc->trigger_stage == NUM_TRIGGER_STAGES || |
835 | devc->trigger_mask[devc->trigger_stage] == 0) { | |
6c6781b6 JH |
836 | /* Match on all trigger stages, we're done. */ |
837 | trigger_offset = i + 1; | |
838 | ||
839 | /* | |
840 | * TODO: Send pre-trigger buffer to session bus. | |
841 | * Tell the frontend we hit the trigger here. | |
842 | */ | |
843 | packet.type = SR_DF_TRIGGER; | |
844 | packet.payload = NULL; | |
dc9dbe94 | 845 | sr_session_send(devc->session_dev_id, &packet); |
6c6781b6 JH |
846 | |
847 | /* | |
848 | * Send the samples that triggered it, since we're | |
849 | * skipping past them. | |
850 | */ | |
851 | packet.type = SR_DF_LOGIC; | |
852 | packet.payload = &logic; | |
dc9dbe94 BV |
853 | logic.unitsize = sizeof(*devc->trigger_buffer); |
854 | logic.length = devc->trigger_stage * logic.unitsize; | |
855 | logic.data = devc->trigger_buffer; | |
856 | sr_session_send(devc->session_dev_id, &packet); | |
6c6781b6 | 857 | |
dc9dbe94 | 858 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 JH |
859 | break; |
860 | } | |
dc9dbe94 | 861 | } else if (devc->trigger_stage > 0) { |
f3ab43a8 LPC |
862 | /* |
863 | * We had a match before, but not in the next sample. However, we may | |
864 | * have a match on this stage in the next bit -- trigger on 0001 will | |
865 | * fail on seeing 00001, so we need to go back to stage 0 -- but at | |
866 | * the next sample from the one that matched originally, which the | |
867 | * counter increment at the end of the loop takes care of. | |
868 | */ | |
dc9dbe94 | 869 | i -= devc->trigger_stage; |
6c6781b6 JH |
870 | if (i < -1) |
871 | i = -1; /* Oops, went back past this buffer. */ | |
872 | /* Reset trigger stage. */ | |
dc9dbe94 | 873 | devc->trigger_stage = 0; |
6c6781b6 JH |
874 | } |
875 | } | |
876 | } | |
610dbb70 | 877 | |
dc9dbe94 | 878 | if (devc->trigger_stage == TRIGGER_FIRED) { |
6c6781b6 | 879 | /* Send the incoming transfer to the session bus. */ |
0a88ec3d | 880 | const int trigger_offset_bytes = trigger_offset * sample_width; |
6c6781b6 JH |
881 | packet.type = SR_DF_LOGIC; |
882 | packet.payload = &logic; | |
d1ddc7a9 JH |
883 | logic.length = transfer->actual_length - trigger_offset_bytes; |
884 | logic.unitsize = sample_width; | |
885 | logic.data = cur_buf + trigger_offset_bytes; | |
dc9dbe94 | 886 | sr_session_send(devc->session_dev_id, &packet); |
6c6781b6 | 887 | |
dc9dbe94 BV |
888 | devc->num_samples += cur_sample_count; |
889 | if (devc->limit_samples && | |
890 | (unsigned int)devc->num_samples > devc->limit_samples) { | |
891 | abort_acquisition(devc); | |
0caa1ef0 LPC |
892 | free_transfer(transfer); |
893 | return; | |
6c6781b6 JH |
894 | } |
895 | } else { | |
896 | /* | |
897 | * TODO: Buffer pre-trigger data in capture | |
898 | * ratio-sized buffer. | |
899 | */ | |
610dbb70 | 900 | } |
17dff8a1 LPC |
901 | |
902 | resubmit_transfer(transfer); | |
610dbb70 JH |
903 | } |
904 | ||
5af666a9 LPC |
905 | static unsigned int to_bytes_per_ms(unsigned int samplerate) |
906 | { | |
907 | return samplerate / 1000; | |
908 | } | |
909 | ||
dc9dbe94 | 910 | static size_t get_buffer_size(struct dev_context *devc) |
5af666a9 LPC |
911 | { |
912 | size_t s; | |
913 | ||
914 | /* The buffer should be large enough to hold 10ms of data and a multiple | |
915 | * of 512. */ | |
dc9dbe94 | 916 | s = 10 * to_bytes_per_ms(devc->cur_samplerate); |
5af666a9 LPC |
917 | return (s + 511) & ~511; |
918 | } | |
919 | ||
dc9dbe94 | 920 | static unsigned int get_number_of_transfers(struct dev_context *devc) |
5af666a9 LPC |
921 | { |
922 | unsigned int n; | |
923 | ||
924 | /* Total buffer size should be able to hold about 500ms of data */ | |
dc9dbe94 | 925 | n = 500 * to_bytes_per_ms(devc->cur_samplerate) / get_buffer_size(devc); |
5af666a9 LPC |
926 | |
927 | if (n > NUM_SIMUL_TRANSFERS) | |
928 | return NUM_SIMUL_TRANSFERS; | |
929 | ||
930 | return n; | |
931 | } | |
932 | ||
dc9dbe94 | 933 | static unsigned int get_timeout(struct dev_context *devc) |
5af666a9 LPC |
934 | { |
935 | size_t total_size; | |
936 | unsigned int timeout; | |
937 | ||
dc9dbe94 BV |
938 | total_size = get_buffer_size(devc) * get_number_of_transfers(devc); |
939 | timeout = total_size / to_bytes_per_ms(devc->cur_samplerate); | |
5af666a9 LPC |
940 | return timeout + timeout / 4; /* Leave a headroom of 25% percent */ |
941 | } | |
942 | ||
3ffb6964 BV |
943 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
944 | void *cb_data) | |
f302a082 | 945 | { |
bd47acab LPC |
946 | struct sr_datafeed_packet packet; |
947 | struct sr_datafeed_header header; | |
f366e86c | 948 | struct sr_datafeed_meta_logic meta; |
dc9dbe94 BV |
949 | struct drv_context *drvc; |
950 | struct dev_context *devc; | |
610dbb70 JH |
951 | struct libusb_transfer *transfer; |
952 | const struct libusb_pollfd **lupfd; | |
5af666a9 LPC |
953 | unsigned int i; |
954 | int ret; | |
610dbb70 JH |
955 | unsigned char *buf; |
956 | ||
dc9dbe94 BV |
957 | drvc = fdi->priv; |
958 | devc = sdi->priv; | |
959 | if (devc->submitted_transfers != 0) | |
c03f0450 LPC |
960 | return SR_ERR; |
961 | ||
dc9dbe94 BV |
962 | devc->session_dev_id = cb_data; |
963 | devc->num_samples = 0; | |
964 | devc->empty_transfer_count = 0; | |
610dbb70 | 965 | |
dc9dbe94 BV |
966 | const unsigned int timeout = get_timeout(devc); |
967 | const unsigned int num_transfers = get_number_of_transfers(devc); | |
968 | const size_t size = get_buffer_size(devc); | |
5af666a9 | 969 | |
dc9dbe94 BV |
970 | devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers); |
971 | if (!devc->transfers) | |
0caa1ef0 LPC |
972 | return SR_ERR; |
973 | ||
dc9dbe94 | 974 | devc->num_transfers = num_transfers; |
0caa1ef0 | 975 | |
5af666a9 | 976 | for (i = 0; i < num_transfers; i++) { |
610dbb70 | 977 | if (!(buf = g_try_malloc(size))) { |
7ae2f9d5 | 978 | sr_err("fx2lafw: %s: buf malloc failed.", __func__); |
610dbb70 JH |
979 | return SR_ERR_MALLOC; |
980 | } | |
981 | transfer = libusb_alloc_transfer(0); | |
dc9dbe94 | 982 | libusb_fill_bulk_transfer(transfer, devc->usb->devhdl, |
610dbb70 | 983 | 2 | LIBUSB_ENDPOINT_IN, buf, size, |
dc9dbe94 | 984 | receive_transfer, devc, timeout); |
610dbb70 | 985 | if (libusb_submit_transfer(transfer) != 0) { |
610dbb70 JH |
986 | libusb_free_transfer(transfer); |
987 | g_free(buf); | |
dc9dbe94 | 988 | abort_acquisition(devc); |
610dbb70 JH |
989 | return SR_ERR; |
990 | } | |
dc9dbe94 BV |
991 | devc->transfers[i] = transfer; |
992 | devc->submitted_transfers++; | |
610dbb70 JH |
993 | } |
994 | ||
dc9dbe94 | 995 | lupfd = libusb_get_pollfds(drvc->usb_context); |
610dbb70 JH |
996 | for (i = 0; lupfd[i]; i++) |
997 | sr_source_add(lupfd[i]->fd, lupfd[i]->events, | |
5af666a9 | 998 | timeout, receive_data, NULL); |
610dbb70 JH |
999 | free(lupfd); /* NOT g_free()! */ |
1000 | ||
bd47acab LPC |
1001 | packet.type = SR_DF_HEADER; |
1002 | packet.payload = &header; | |
1003 | header.feed_version = 1; | |
1004 | gettimeofday(&header.starttime, NULL); | |
1005 | sr_session_send(cb_data, &packet); | |
f366e86c BV |
1006 | |
1007 | /* Send metadata about the SR_DF_LOGIC packets to come. */ | |
bd47acab LPC |
1008 | packet.type = SR_DF_META_LOGIC; |
1009 | packet.payload = &meta; | |
dc9dbe94 BV |
1010 | meta.samplerate = devc->cur_samplerate; |
1011 | meta.num_probes = devc->sample_wide ? 16 : 8; | |
bd47acab | 1012 | sr_session_send(cb_data, &packet); |
610dbb70 | 1013 | |
dc9dbe94 BV |
1014 | if ((ret = command_start_acquisition (devc->usb->devhdl, |
1015 | devc->cur_samplerate, devc->sample_wide)) != SR_OK) { | |
1016 | abort_acquisition(devc); | |
ebc34738 | 1017 | return ret; |
017375d1 JH |
1018 | } |
1019 | ||
f302a082 JH |
1020 | return SR_OK; |
1021 | } | |
1022 | ||
3cd3a20b | 1023 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ |
3ffb6964 BV |
1024 | static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi, |
1025 | void *cb_data) | |
f302a082 | 1026 | { |
5da93902 | 1027 | |
f4a9e5c0 | 1028 | /* Avoid compiler warnings. */ |
2e526f4a | 1029 | (void)cb_data; |
5da93902 | 1030 | |
2e526f4a | 1031 | abort_acquisition(sdi->priv); |
5da93902 | 1032 | |
f302a082 JH |
1033 | return SR_OK; |
1034 | } | |
1035 | ||
c09f0b57 | 1036 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { |
f302a082 | 1037 | .name = "fx2lafw", |
2e7cb004 | 1038 | .longname = "fx2lafw (generic driver for FX2 based LAs)", |
f302a082 JH |
1039 | .api_version = 1, |
1040 | .init = hw_init, | |
1041 | .cleanup = hw_cleanup, | |
61136ea6 | 1042 | .scan = hw_scan, |
f302a082 JH |
1043 | .dev_open = hw_dev_open, |
1044 | .dev_close = hw_dev_close, | |
6e9339aa | 1045 | .info_get = hw_info_get, |
f302a082 JH |
1046 | .dev_config_set = hw_dev_config_set, |
1047 | .dev_acquisition_start = hw_dev_acquisition_start, | |
1048 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
dc9dbe94 | 1049 | .priv = NULL, |
f302a082 | 1050 | }; |