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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 | ||
187b3582 JH |
142 | static libusb_context *usb_context = NULL; |
143 | ||
a8cc8e44 BV |
144 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info; |
145 | static struct sr_dev_driver *fdi = &fx2lafw_driver_info; | |
1b79df2f | 146 | static int hw_dev_config_set(int dev_index, int hwcap, const void *value); |
da686568 | 147 | static int hw_dev_acquisition_stop(int dev_index, void *cb_data); |
610dbb70 | 148 | |
b1eeb67e JH |
149 | /** |
150 | * Check the USB configuration to determine if this is an fx2lafw device. | |
151 | * | |
f9a69557 UH |
152 | * @return TRUE if the device's configuration profile match fx2lafw |
153 | * configuration, FALSE otherwise. | |
b1eeb67e | 154 | */ |
f9a69557 | 155 | static gboolean check_conf_profile(libusb_device *dev) |
b1eeb67e JH |
156 | { |
157 | struct libusb_device_descriptor des; | |
6b73d9a5 BV |
158 | struct libusb_device_handle *hdl; |
159 | gboolean ret; | |
160 | unsigned char strdesc[64]; | |
b1eeb67e | 161 | |
6b73d9a5 BV |
162 | hdl = NULL; |
163 | ret = FALSE; | |
b1eeb67e | 164 | while (!ret) { |
da686568 | 165 | /* Assume the FW has not been loaded, unless proven wrong. */ |
b1eeb67e JH |
166 | if (libusb_get_device_descriptor(dev, &des) != 0) |
167 | break; | |
168 | ||
6b73d9a5 | 169 | if (libusb_open(dev, &hdl) != 0) |
b1eeb67e JH |
170 | break; |
171 | ||
6b73d9a5 BV |
172 | if (libusb_get_string_descriptor_ascii(hdl, |
173 | des.iManufacturer, strdesc, sizeof(strdesc)) < 0) | |
b1eeb67e | 174 | break; |
6b73d9a5 | 175 | if (strncmp((const char *)strdesc, "sigrok", 6)) |
b1eeb67e JH |
176 | break; |
177 | ||
6b73d9a5 BV |
178 | if (libusb_get_string_descriptor_ascii(hdl, |
179 | des.iProduct, strdesc, sizeof(strdesc)) < 0) | |
b1eeb67e | 180 | break; |
6b73d9a5 | 181 | if (strncmp((const char *)strdesc, "fx2lafw", 7)) |
b1eeb67e JH |
182 | break; |
183 | ||
b1eeb67e | 184 | /* If we made it here, it must be an fx2lafw. */ |
f9a69557 | 185 | ret = TRUE; |
b1eeb67e | 186 | } |
6b73d9a5 BV |
187 | if (hdl) |
188 | libusb_close(hdl); | |
b1eeb67e JH |
189 | |
190 | return ret; | |
191 | } | |
192 | ||
da686568 | 193 | static int fx2lafw_dev_open(int dev_index) |
43125c69 JH |
194 | { |
195 | libusb_device **devlist; | |
196 | struct libusb_device_descriptor des; | |
197 | struct sr_dev_inst *sdi; | |
772a0e61 | 198 | struct context *ctx; |
13bf7ecc | 199 | struct version_info vi; |
ebc34738 | 200 | int ret, skip, i; |
1e94408a | 201 | uint8_t revid; |
43125c69 | 202 | |
a8cc8e44 | 203 | if (!(sdi = sr_dev_inst_get(fdi->instances, dev_index))) |
43125c69 JH |
204 | return SR_ERR; |
205 | ctx = sdi->priv; | |
206 | ||
207 | if (sdi->status == SR_ST_ACTIVE) | |
208 | /* already in use */ | |
209 | return SR_ERR; | |
210 | ||
211 | skip = 0; | |
6fbe5e60 JH |
212 | const int device_count = libusb_get_device_list(usb_context, &devlist); |
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 | ||
74fcfb80 JH |
226 | if (des.idVendor != ctx->profile->vid |
227 | || des.idProduct != ctx->profile->pid) | |
43125c69 JH |
228 | continue; |
229 | ||
230 | if (sdi->status == SR_ST_INITIALIZING) { | |
231 | if (skip != dev_index) { | |
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 | */ | |
241 | if (libusb_get_bus_number(devlist[i]) != ctx->usb->bus | |
242 | || libusb_get_device_address(devlist[i]) != ctx->usb->address) | |
243 | /* this is not the one */ | |
244 | continue; | |
245 | } | |
246 | ||
ebc34738 | 247 | if (!(ret = libusb_open(devlist[i], &ctx->usb->devhdl))) { |
43125c69 JH |
248 | if (ctx->usb->address == 0xff) |
249 | /* | |
250 | * first time we touch this device after firmware upload, | |
251 | * so we don't know the address yet. | |
252 | */ | |
253 | ctx->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 | ||
44dfd483 UH |
259 | ret = command_get_fw_version(ctx->usb->devhdl, &vi); |
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 | ||
1e94408a UH |
266 | ret = command_get_revid_version(ctx->usb->devhdl, &revid); |
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.", |
13bf7ecc | 287 | sdi->index, ctx->usb->bus, ctx->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 | ||
f1898235 JH |
300 | static void close_dev(struct sr_dev_inst *sdi) |
301 | { | |
772a0e61 | 302 | struct context *ctx; |
f1898235 JH |
303 | |
304 | ctx = sdi->priv; | |
305 | ||
306 | if (ctx->usb->devhdl == NULL) | |
307 | return; | |
308 | ||
7ae2f9d5 UH |
309 | sr_info("fx2lafw: Closing device %d on %d.%d interface %d.", |
310 | sdi->index, ctx->usb->bus, ctx->usb->address, USB_INTERFACE); | |
f1898235 JH |
311 | libusb_release_interface(ctx->usb->devhdl, USB_INTERFACE); |
312 | libusb_close(ctx->usb->devhdl); | |
313 | ctx->usb->devhdl = NULL; | |
314 | sdi->status = SR_ST_INACTIVE; | |
315 | } | |
316 | ||
6c6781b6 JH |
317 | static int configure_probes(struct context *ctx, GSList *probes) |
318 | { | |
319 | struct sr_probe *probe; | |
320 | GSList *l; | |
321 | int probe_bit, stage, i; | |
322 | char *tc; | |
323 | ||
324 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { | |
325 | ctx->trigger_mask[i] = 0; | |
326 | ctx->trigger_value[i] = 0; | |
327 | } | |
328 | ||
329 | stage = -1; | |
330 | for (l = probes; l; l = l->next) { | |
331 | probe = (struct sr_probe *)l->data; | |
332 | if (probe->enabled == FALSE) | |
333 | continue; | |
d1ddc7a9 JH |
334 | |
335 | if (probe->index > 8) | |
0a88ec3d | 336 | ctx->sample_wide = TRUE; |
d1ddc7a9 | 337 | |
6c6781b6 JH |
338 | probe_bit = 1 << (probe->index - 1); |
339 | if (!(probe->trigger)) | |
340 | continue; | |
341 | ||
342 | stage = 0; | |
343 | for (tc = probe->trigger; *tc; tc++) { | |
344 | ctx->trigger_mask[stage] |= probe_bit; | |
345 | if (*tc == '1') | |
346 | ctx->trigger_value[stage] |= probe_bit; | |
347 | stage++; | |
348 | if (stage > NUM_TRIGGER_STAGES) | |
349 | return SR_ERR; | |
350 | } | |
351 | } | |
352 | ||
353 | if (stage == -1) | |
354 | /* | |
355 | * We didn't configure any triggers, make sure acquisition | |
356 | * doesn't wait for any. | |
357 | */ | |
358 | ctx->trigger_stage = TRIGGER_FIRED; | |
359 | else | |
360 | ctx->trigger_stage = 0; | |
361 | ||
362 | return SR_OK; | |
363 | } | |
364 | ||
da686568 | 365 | static struct context *fx2lafw_dev_new(void) |
187b3582 | 366 | { |
772a0e61 | 367 | struct context *ctx; |
187b3582 | 368 | |
772a0e61 | 369 | if (!(ctx = g_try_malloc0(sizeof(struct context)))) { |
7ae2f9d5 | 370 | sr_err("fx2lafw: %s: ctx malloc failed.", __func__); |
187b3582 JH |
371 | return NULL; |
372 | } | |
373 | ||
6c6781b6 JH |
374 | ctx->trigger_stage = TRIGGER_FIRED; |
375 | ||
772a0e61 | 376 | return ctx; |
187b3582 | 377 | } |
f302a082 | 378 | |
f69b47f0 BV |
379 | static int clear_instances(void) |
380 | { | |
381 | GSList *l; | |
382 | struct sr_dev_inst *sdi; | |
383 | struct context *ctx; | |
384 | int ret; | |
385 | ||
386 | ret = SR_OK; | |
387 | for (l = fdi->instances; l; l = l->next) { | |
388 | if (!(sdi = l->data)) { | |
389 | /* Log error, but continue cleaning up the rest. */ | |
390 | sr_err("fx2lafw: %s: sdi was NULL, continuing.", | |
391 | __func__); | |
392 | ret = SR_ERR_BUG; | |
393 | continue; | |
394 | } | |
395 | if (!(ctx = sdi->priv)) { | |
396 | /* Log error, but continue cleaning up the rest. */ | |
397 | sr_err("fx2lafw: %s: sdi->priv was NULL, continuing", | |
398 | __func__); | |
399 | ret = SR_ERR_BUG; | |
400 | continue; | |
401 | } | |
402 | close_dev(sdi); | |
403 | sdi = l->data; | |
404 | sr_dev_inst_free(sdi); | |
405 | } | |
406 | ||
407 | g_slist_free(fdi->instances); | |
408 | fdi->instances = NULL; | |
409 | ||
410 | return ret; | |
411 | } | |
412 | ||
413 | ||
f302a082 JH |
414 | /* |
415 | * API callbacks | |
416 | */ | |
417 | ||
40dda2c3 | 418 | static int hw_init(void) |
61136ea6 BV |
419 | { |
420 | ||
421 | if (libusb_init(&usb_context) != 0) { | |
422 | sr_warn("fx2lafw: Failed to initialize libusb."); | |
423 | return SR_ERR; | |
424 | } | |
425 | ||
426 | return SR_OK; | |
427 | } | |
428 | ||
3a7a22cb | 429 | static GSList *hw_scan(GSList *options) |
f302a082 | 430 | { |
3a7a22cb | 431 | GSList *devices; |
187b3582 | 432 | struct libusb_device_descriptor des; |
3a7a22cb | 433 | struct sr_dev_inst *sdi; |
da686568 | 434 | const struct fx2lafw_profile *prof; |
772a0e61 | 435 | struct context *ctx; |
3a7a22cb | 436 | struct sr_probe *probe; |
187b3582 | 437 | libusb_device **devlist; |
3a7a22cb BV |
438 | int devcnt, num_logic_probes, ret, i, j; |
439 | ||
440 | /* Avoid compiler warnings. */ | |
441 | (void)options; | |
187b3582 | 442 | |
f69b47f0 BV |
443 | /* This scan always invalidates any previous scans. */ |
444 | clear_instances(); | |
445 | ||
921634ec | 446 | /* Find all fx2lafw compatible devices and upload firmware to them. */ |
3a7a22cb | 447 | devices = NULL; |
187b3582 JH |
448 | libusb_get_device_list(usb_context, &devlist); |
449 | for (i = 0; devlist[i]; i++) { | |
450 | ||
ebc34738 | 451 | if ((ret = libusb_get_device_descriptor( |
7ae2f9d5 UH |
452 | devlist[i], &des)) != 0) { |
453 | sr_warn("fx2lafw: Failed to get device descriptor: %d.", ret); | |
187b3582 JH |
454 | continue; |
455 | } | |
456 | ||
da686568 | 457 | prof = NULL; |
187b3582 JH |
458 | for (j = 0; supported_fx2[j].vid; j++) { |
459 | if (des.idVendor == supported_fx2[j].vid && | |
460 | des.idProduct == supported_fx2[j].pid) { | |
da686568 | 461 | prof = &supported_fx2[j]; |
187b3582 JH |
462 | } |
463 | } | |
464 | ||
465 | /* Skip if the device was not found */ | |
da686568 | 466 | if (!prof) |
187b3582 JH |
467 | continue; |
468 | ||
a8cc8e44 | 469 | devcnt = g_slist_length(fdi->instances); |
187b3582 | 470 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, |
da686568 | 471 | prof->vendor, prof->model, prof->model_version); |
f4a9e5c0 | 472 | if (!sdi) |
187b3582 | 473 | return 0; |
c5e82ca5 | 474 | sdi->driver = fdi; |
187b3582 | 475 | |
06717a8a BV |
476 | /* Fill in probelist according to this device's profile. */ |
477 | num_logic_probes = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8; | |
c5e82ca5 | 478 | for (j = 0; j < num_logic_probes; j++) { |
06717a8a BV |
479 | if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE, |
480 | probe_names[j]))) | |
481 | return 0; | |
482 | sdi->probes = g_slist_append(sdi->probes, probe); | |
483 | } | |
484 | ||
da686568 UH |
485 | ctx = fx2lafw_dev_new(); |
486 | ctx->profile = prof; | |
90282c82 | 487 | sdi->priv = ctx; |
a8cc8e44 BV |
488 | fdi->instances = g_slist_append(fdi->instances, sdi); |
489 | devices = g_slist_append(devices, sdi); | |
187b3582 | 490 | |
b1eeb67e JH |
491 | if (check_conf_profile(devlist[i])) { |
492 | /* Already has the firmware, so fix the new address. */ | |
7ae2f9d5 | 493 | sr_dbg("fx2lafw: Found an fx2lafw device."); |
b1eeb67e JH |
494 | sdi->status = SR_ST_INACTIVE; |
495 | ctx->usb = sr_usb_dev_inst_new | |
496 | (libusb_get_bus_number(devlist[i]), | |
497 | libusb_get_device_address(devlist[i]), NULL); | |
498 | } else { | |
f8b07fc6 | 499 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
da686568 | 500 | prof->firmware) == SR_OK) |
b1eeb67e | 501 | /* Remember when the firmware on this device was updated */ |
e8bd58ff | 502 | ctx->fw_updated = g_get_monotonic_time(); |
b1eeb67e | 503 | else |
7ae2f9d5 UH |
504 | sr_err("fx2lafw: Firmware upload failed for " |
505 | "device %d.", devcnt); | |
b1eeb67e JH |
506 | ctx->usb = sr_usb_dev_inst_new |
507 | (libusb_get_bus_number(devlist[i]), 0xff, NULL); | |
508 | } | |
187b3582 JH |
509 | } |
510 | libusb_free_device_list(devlist, 1); | |
511 | ||
3a7a22cb | 512 | return devices; |
f302a082 JH |
513 | } |
514 | ||
772a0e61 | 515 | static int hw_dev_open(int dev_index) |
f302a082 | 516 | { |
43125c69 | 517 | struct sr_dev_inst *sdi; |
772a0e61 | 518 | struct context *ctx; |
e8bd58ff UH |
519 | int ret; |
520 | int64_t timediff_us, timediff_ms; | |
43125c69 | 521 | |
a8cc8e44 | 522 | if (!(sdi = sr_dev_inst_get(fdi->instances, dev_index))) |
43125c69 JH |
523 | return SR_ERR; |
524 | ctx = sdi->priv; | |
525 | ||
526 | /* | |
f60fdf6e UH |
527 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
528 | * milliseconds for the FX2 to renumerate. | |
43125c69 | 529 | */ |
3b6c1930 | 530 | ret = SR_ERR; |
e8bd58ff | 531 | if (ctx->fw_updated > 0) { |
7ae2f9d5 | 532 | sr_info("fx2lafw: Waiting for device to reset."); |
43125c69 JH |
533 | /* takes at least 300ms for the FX2 to be gone from the USB bus */ |
534 | g_usleep(300 * 1000); | |
e8bd58ff | 535 | timediff_ms = 0; |
f60fdf6e | 536 | while (timediff_ms < MAX_RENUM_DELAY_MS) { |
da686568 | 537 | if ((ret = fx2lafw_dev_open(dev_index)) == SR_OK) |
43125c69 JH |
538 | break; |
539 | g_usleep(100 * 1000); | |
e8bd58ff UH |
540 | |
541 | timediff_us = g_get_monotonic_time() - ctx->fw_updated; | |
3b6c1930 BV |
542 | timediff_ms = timediff_us / 1000; |
543 | sr_spew("fx2lafw: waited %" PRIi64 " ms", timediff_ms); | |
43125c69 | 544 | } |
e8bd58ff | 545 | sr_info("fx2lafw: Device came back after %d ms.", timediff_ms); |
43125c69 | 546 | } else { |
da686568 | 547 | ret = fx2lafw_dev_open(dev_index); |
43125c69 JH |
548 | } |
549 | ||
ebc34738 | 550 | if (ret != SR_OK) { |
7ae2f9d5 | 551 | sr_err("fx2lafw: Unable to open device."); |
43125c69 JH |
552 | return SR_ERR; |
553 | } | |
554 | ctx = sdi->priv; | |
555 | ||
ebc34738 UH |
556 | ret = libusb_claim_interface(ctx->usb->devhdl, USB_INTERFACE); |
557 | if (ret != 0) { | |
0c156e06 JH |
558 | switch(ret) { |
559 | case LIBUSB_ERROR_BUSY: | |
560 | sr_err("fx2lafw: Unable to claim USB interface. Another " | |
561 | "program or driver has already claimed it."); | |
562 | break; | |
563 | ||
564 | case LIBUSB_ERROR_NO_DEVICE: | |
565 | sr_err("fx2lafw: Device has been disconnected."); | |
566 | break; | |
567 | ||
568 | default: | |
569 | sr_err("fx2lafw: Unable to claim interface: %d.", ret); | |
570 | break; | |
571 | } | |
572 | ||
43125c69 JH |
573 | return SR_ERR; |
574 | } | |
575 | ||
f92994fd JH |
576 | if (ctx->cur_samplerate == 0) { |
577 | /* Samplerate hasn't been set; default to the slowest one. */ | |
578 | if (hw_dev_config_set(dev_index, SR_HWCAP_SAMPLERATE, | |
590b9f9a | 579 | &supported_samplerates[0]) == SR_ERR) |
f92994fd JH |
580 | return SR_ERR; |
581 | } | |
582 | ||
f302a082 JH |
583 | return SR_OK; |
584 | } | |
585 | ||
f1898235 | 586 | static int hw_dev_close(int dev_index) |
f302a082 | 587 | { |
f1898235 JH |
588 | struct sr_dev_inst *sdi; |
589 | ||
a8cc8e44 | 590 | if (!(sdi = sr_dev_inst_get(fdi->instances, dev_index))) { |
7ae2f9d5 | 591 | sr_err("fx2lafw: %s: sdi was NULL.", __func__); |
0abee507 | 592 | return SR_ERR_BUG; |
f1898235 JH |
593 | } |
594 | ||
595 | /* TODO */ | |
596 | close_dev(sdi); | |
597 | ||
f302a082 JH |
598 | return SR_OK; |
599 | } | |
600 | ||
601 | static int hw_cleanup(void) | |
602 | { | |
f69b47f0 | 603 | int ret; |
187b3582 | 604 | |
f69b47f0 | 605 | ret = clear_instances(); |
187b3582 | 606 | |
f4a9e5c0 | 607 | if (usb_context) |
187b3582 JH |
608 | libusb_exit(usb_context); |
609 | usb_context = NULL; | |
610 | ||
62bc70e4 | 611 | return ret; |
f302a082 JH |
612 | } |
613 | ||
6e9339aa BV |
614 | static int hw_info_get(int dev_info_id, const void **data, |
615 | const struct sr_dev_inst *sdi) | |
f302a082 | 616 | { |
772a0e61 | 617 | struct context *ctx; |
8b35f474 | 618 | |
772a0e61 | 619 | switch (dev_info_id) { |
8b35f474 | 620 | case SR_DI_INST: |
a27999e6 BV |
621 | *data = sdi; |
622 | break; | |
623 | case SR_DI_HWOPTS: | |
624 | *data = NULL; | |
625 | break; | |
626 | case SR_DI_HWCAPS: | |
627 | *data = hwcaps; | |
628 | break; | |
8b35f474 | 629 | case SR_DI_NUM_PROBES: |
6e9339aa BV |
630 | if (sdi) { |
631 | ctx = sdi->priv; | |
632 | *data = GINT_TO_POINTER( | |
633 | (ctx->profile->dev_caps & DEV_CAPS_16BIT) ? | |
634 | 16 : 8); | |
635 | } else | |
636 | return SR_ERR; | |
637 | break; | |
8b35f474 | 638 | case SR_DI_PROBE_NAMES: |
6e9339aa BV |
639 | *data = probe_names; |
640 | break; | |
8b35f474 | 641 | case SR_DI_SAMPLERATES: |
6e9339aa BV |
642 | *data = &samplerates; |
643 | break; | |
8b35f474 | 644 | case SR_DI_TRIGGER_TYPES: |
6e9339aa BV |
645 | *data = TRIGGER_TYPES; |
646 | break; | |
e3186647 | 647 | case SR_DI_CUR_SAMPLERATE: |
6e9339aa BV |
648 | if (sdi) { |
649 | ctx = sdi->priv; | |
650 | *data = &ctx->cur_samplerate; | |
651 | } else | |
652 | return SR_ERR; | |
653 | break; | |
654 | default: | |
655 | return SR_ERR_ARG; | |
8b35f474 JH |
656 | } |
657 | ||
6e9339aa | 658 | return SR_OK; |
f302a082 JH |
659 | } |
660 | ||
772a0e61 | 661 | static int hw_dev_status_get(int dev_index) |
f302a082 | 662 | { |
aae2fed6 | 663 | const struct sr_dev_inst *const sdi = |
a8cc8e44 | 664 | sr_dev_inst_get(fdi->instances, dev_index); |
aae2fed6 JH |
665 | |
666 | if (!sdi) | |
667 | return SR_ST_NOT_FOUND; | |
668 | ||
669 | return sdi->status; | |
f302a082 JH |
670 | } |
671 | ||
1b79df2f | 672 | static int hw_dev_config_set(int dev_index, int hwcap, const void *value) |
f302a082 | 673 | { |
7cb621d4 | 674 | struct sr_dev_inst *sdi; |
772a0e61 | 675 | struct context *ctx; |
7cb621d4 JH |
676 | int ret; |
677 | ||
a8cc8e44 | 678 | if (!(sdi = sr_dev_inst_get(fdi->instances, dev_index))) |
7cb621d4 JH |
679 | return SR_ERR; |
680 | ctx = sdi->priv; | |
681 | ||
e3186647 | 682 | if (hwcap == SR_HWCAP_SAMPLERATE) { |
1b79df2f | 683 | ctx->cur_samplerate = *(const uint64_t *)value; |
e3186647 JH |
684 | ret = SR_OK; |
685 | } else if (hwcap == SR_HWCAP_PROBECONFIG) { | |
6c6781b6 | 686 | ret = configure_probes(ctx, (GSList *) value); |
e3186647 | 687 | } else if (hwcap == SR_HWCAP_LIMIT_SAMPLES) { |
1b79df2f | 688 | ctx->limit_samples = *(const uint64_t *)value; |
7cb621d4 JH |
689 | ret = SR_OK; |
690 | } else { | |
691 | ret = SR_ERR; | |
692 | } | |
693 | ||
694 | return ret; | |
f302a082 JH |
695 | } |
696 | ||
1f9813eb | 697 | static int receive_data(int fd, int revents, void *cb_data) |
610dbb70 JH |
698 | { |
699 | struct timeval tv; | |
700 | ||
701 | /* Avoid compiler warnings. */ | |
702 | (void)fd; | |
703 | (void)revents; | |
1f9813eb | 704 | (void)cb_data; |
610dbb70 JH |
705 | |
706 | tv.tv_sec = tv.tv_usec = 0; | |
707 | libusb_handle_events_timeout(usb_context, &tv); | |
708 | ||
709 | return TRUE; | |
710 | } | |
711 | ||
2e526f4a | 712 | static void abort_acquisition(struct context *ctx) |
cb61e9f7 | 713 | { |
e7d087bf | 714 | int i; |
0caa1ef0 | 715 | |
cb61e9f7 | 716 | ctx->num_samples = -1; |
0caa1ef0 | 717 | |
e7d087bf | 718 | for (i = ctx->num_transfers - 1; i >= 0; i--) { |
0caa1ef0 LPC |
719 | if (ctx->transfers[i]) |
720 | libusb_cancel_transfer(ctx->transfers[i]); | |
721 | } | |
cb61e9f7 JH |
722 | } |
723 | ||
3e6292b2 | 724 | static void finish_acquisition(struct context *ctx) |
2e526f4a JH |
725 | { |
726 | struct sr_datafeed_packet packet; | |
cb61e9f7 | 727 | int i; |
2e526f4a | 728 | |
cb61e9f7 | 729 | /* Terminate session */ |
2e526f4a JH |
730 | packet.type = SR_DF_END; |
731 | sr_session_send(ctx->session_dev_id, &packet); | |
732 | ||
cb61e9f7 JH |
733 | /* Remove fds from polling */ |
734 | const struct libusb_pollfd **const lupfd = | |
735 | libusb_get_pollfds(usb_context); | |
736 | for (i = 0; lupfd[i]; i++) | |
737 | sr_source_remove(lupfd[i]->fd); | |
738 | free(lupfd); /* NOT g_free()! */ | |
0caa1ef0 LPC |
739 | |
740 | ctx->num_transfers = 0; | |
741 | g_free(ctx->transfers); | |
2e526f4a JH |
742 | } |
743 | ||
f855de75 LPC |
744 | static void free_transfer(struct libusb_transfer *transfer) |
745 | { | |
746 | struct context *ctx = transfer->user_data; | |
0caa1ef0 | 747 | unsigned int i; |
f855de75 LPC |
748 | |
749 | g_free(transfer->buffer); | |
750 | transfer->buffer = NULL; | |
751 | libusb_free_transfer(transfer); | |
752 | ||
0caa1ef0 LPC |
753 | for (i = 0; i < ctx->num_transfers; i++) { |
754 | if (ctx->transfers[i] == transfer) { | |
755 | ctx->transfers[i] = NULL; | |
756 | break; | |
757 | } | |
758 | } | |
759 | ||
f855de75 LPC |
760 | ctx->submitted_transfers--; |
761 | if (ctx->submitted_transfers == 0) | |
762 | finish_acquisition(ctx); | |
763 | ||
764 | } | |
765 | ||
17dff8a1 LPC |
766 | static void resubmit_transfer(struct libusb_transfer *transfer) |
767 | { | |
17dff8a1 LPC |
768 | if (libusb_submit_transfer(transfer) != 0) { |
769 | free_transfer(transfer); | |
770 | /* TODO: Stop session? */ | |
771 | /* TODO: Better error message. */ | |
772 | sr_err("fx2lafw: %s: libusb_submit_transfer error.", __func__); | |
773 | } | |
774 | } | |
775 | ||
610dbb70 JH |
776 | static void receive_transfer(struct libusb_transfer *transfer) |
777 | { | |
7ce737a7 | 778 | gboolean packet_has_error = FALSE; |
610dbb70 JH |
779 | struct sr_datafeed_packet packet; |
780 | struct sr_datafeed_logic logic; | |
2e526f4a | 781 | struct context *ctx = transfer->user_data; |
d1ddc7a9 | 782 | int trigger_offset, i; |
610dbb70 | 783 | |
610dbb70 JH |
784 | /* |
785 | * If acquisition has already ended, just free any queued up | |
786 | * transfer that come in. | |
787 | */ | |
2e526f4a | 788 | if (ctx->num_samples == -1) { |
f855de75 | 789 | free_transfer(transfer); |
610dbb70 JH |
790 | return; |
791 | } | |
792 | ||
7ae2f9d5 | 793 | sr_info("fx2lafw: receive_transfer(): status %d received %d bytes.", |
610dbb70 JH |
794 | transfer->status, transfer->actual_length); |
795 | ||
796 | /* Save incoming transfer before reusing the transfer struct. */ | |
d1ddc7a9 JH |
797 | uint8_t *const cur_buf = transfer->buffer; |
798 | const int sample_width = ctx->sample_wide ? 2 : 1; | |
799 | const int cur_sample_count = transfer->actual_length / sample_width; | |
610dbb70 | 800 | |
7ce737a7 LPC |
801 | switch (transfer->status) { |
802 | case LIBUSB_TRANSFER_NO_DEVICE: | |
803 | abort_acquisition(ctx); | |
804 | free_transfer(transfer); | |
805 | return; | |
806 | case LIBUSB_TRANSFER_COMPLETED: | |
807 | case LIBUSB_TRANSFER_TIMED_OUT: /* We may have received some data though */ | |
808 | break; | |
809 | default: | |
810 | packet_has_error = TRUE; | |
811 | break; | |
812 | } | |
813 | ||
814 | if (transfer->actual_length == 0 || packet_has_error) { | |
2769eed9 LPC |
815 | ctx->empty_transfer_count++; |
816 | if (ctx->empty_transfer_count > MAX_EMPTY_TRANSFERS) { | |
610dbb70 JH |
817 | /* |
818 | * The FX2 gave up. End the acquisition, the frontend | |
819 | * will work out that the samplecount is short. | |
820 | */ | |
2e526f4a | 821 | abort_acquisition(ctx); |
17dff8a1 LPC |
822 | free_transfer(transfer); |
823 | } else { | |
824 | resubmit_transfer(transfer); | |
610dbb70 JH |
825 | } |
826 | return; | |
827 | } else { | |
2769eed9 | 828 | ctx->empty_transfer_count = 0; |
610dbb70 JH |
829 | } |
830 | ||
6c6781b6 JH |
831 | trigger_offset = 0; |
832 | if (ctx->trigger_stage >= 0) { | |
d1ddc7a9 JH |
833 | for (i = 0; i < cur_sample_count; i++) { |
834 | ||
835 | const uint16_t cur_sample = ctx->sample_wide ? | |
836 | *((const uint16_t*)cur_buf + i) : | |
837 | *((const uint8_t*)cur_buf + i); | |
6c6781b6 | 838 | |
d1ddc7a9 JH |
839 | if ((cur_sample & ctx->trigger_mask[ctx->trigger_stage]) == |
840 | ctx->trigger_value[ctx->trigger_stage]) { | |
6c6781b6 | 841 | /* Match on this trigger stage. */ |
d1ddc7a9 | 842 | ctx->trigger_buffer[ctx->trigger_stage] = cur_sample; |
6c6781b6 JH |
843 | ctx->trigger_stage++; |
844 | ||
d1ddc7a9 JH |
845 | if (ctx->trigger_stage == NUM_TRIGGER_STAGES || |
846 | ctx->trigger_mask[ctx->trigger_stage] == 0) { | |
6c6781b6 JH |
847 | /* Match on all trigger stages, we're done. */ |
848 | trigger_offset = i + 1; | |
849 | ||
850 | /* | |
851 | * TODO: Send pre-trigger buffer to session bus. | |
852 | * Tell the frontend we hit the trigger here. | |
853 | */ | |
854 | packet.type = SR_DF_TRIGGER; | |
855 | packet.payload = NULL; | |
856 | sr_session_send(ctx->session_dev_id, &packet); | |
857 | ||
858 | /* | |
859 | * Send the samples that triggered it, since we're | |
860 | * skipping past them. | |
861 | */ | |
862 | packet.type = SR_DF_LOGIC; | |
863 | packet.payload = &logic; | |
fa114e4a LPC |
864 | logic.unitsize = sizeof(*ctx->trigger_buffer); |
865 | logic.length = ctx->trigger_stage * logic.unitsize; | |
6c6781b6 JH |
866 | logic.data = ctx->trigger_buffer; |
867 | sr_session_send(ctx->session_dev_id, &packet); | |
868 | ||
869 | ctx->trigger_stage = TRIGGER_FIRED; | |
870 | break; | |
871 | } | |
f3ab43a8 LPC |
872 | } else if (ctx->trigger_stage > 0) { |
873 | /* | |
874 | * We had a match before, but not in the next sample. However, we may | |
875 | * have a match on this stage in the next bit -- trigger on 0001 will | |
876 | * fail on seeing 00001, so we need to go back to stage 0 -- but at | |
877 | * the next sample from the one that matched originally, which the | |
878 | * counter increment at the end of the loop takes care of. | |
879 | */ | |
6c6781b6 JH |
880 | i -= ctx->trigger_stage; |
881 | if (i < -1) | |
882 | i = -1; /* Oops, went back past this buffer. */ | |
883 | /* Reset trigger stage. */ | |
884 | ctx->trigger_stage = 0; | |
885 | } | |
886 | } | |
887 | } | |
610dbb70 | 888 | |
6c6781b6 JH |
889 | if (ctx->trigger_stage == TRIGGER_FIRED) { |
890 | /* Send the incoming transfer to the session bus. */ | |
0a88ec3d | 891 | const int trigger_offset_bytes = trigger_offset * sample_width; |
6c6781b6 JH |
892 | packet.type = SR_DF_LOGIC; |
893 | packet.payload = &logic; | |
d1ddc7a9 JH |
894 | logic.length = transfer->actual_length - trigger_offset_bytes; |
895 | logic.unitsize = sample_width; | |
896 | logic.data = cur_buf + trigger_offset_bytes; | |
6c6781b6 | 897 | sr_session_send(ctx->session_dev_id, &packet); |
6c6781b6 | 898 | |
d1ddc7a9 | 899 | ctx->num_samples += cur_sample_count; |
6c6781b6 JH |
900 | if (ctx->limit_samples && |
901 | (unsigned int)ctx->num_samples > ctx->limit_samples) { | |
902 | abort_acquisition(ctx); | |
0caa1ef0 LPC |
903 | free_transfer(transfer); |
904 | return; | |
6c6781b6 JH |
905 | } |
906 | } else { | |
907 | /* | |
908 | * TODO: Buffer pre-trigger data in capture | |
909 | * ratio-sized buffer. | |
910 | */ | |
610dbb70 | 911 | } |
17dff8a1 LPC |
912 | |
913 | resubmit_transfer(transfer); | |
610dbb70 JH |
914 | } |
915 | ||
5af666a9 LPC |
916 | static unsigned int to_bytes_per_ms(unsigned int samplerate) |
917 | { | |
918 | return samplerate / 1000; | |
919 | } | |
920 | ||
921 | static size_t get_buffer_size(struct context *ctx) | |
922 | { | |
923 | size_t s; | |
924 | ||
925 | /* The buffer should be large enough to hold 10ms of data and a multiple | |
926 | * of 512. */ | |
927 | s = 10 * to_bytes_per_ms(ctx->cur_samplerate); | |
928 | return (s + 511) & ~511; | |
929 | } | |
930 | ||
931 | static unsigned int get_number_of_transfers(struct context *ctx) | |
932 | { | |
933 | unsigned int n; | |
934 | ||
935 | /* Total buffer size should be able to hold about 500ms of data */ | |
936 | n = 500 * to_bytes_per_ms(ctx->cur_samplerate) / get_buffer_size(ctx); | |
937 | ||
938 | if (n > NUM_SIMUL_TRANSFERS) | |
939 | return NUM_SIMUL_TRANSFERS; | |
940 | ||
941 | return n; | |
942 | } | |
943 | ||
944 | static unsigned int get_timeout(struct context *ctx) | |
945 | { | |
946 | size_t total_size; | |
947 | unsigned int timeout; | |
948 | ||
949 | total_size = get_buffer_size(ctx) * get_number_of_transfers(ctx); | |
950 | timeout = total_size / to_bytes_per_ms(ctx->cur_samplerate); | |
951 | return timeout + timeout / 4; /* Leave a headroom of 25% percent */ | |
952 | } | |
953 | ||
3cd3a20b | 954 | static int hw_dev_acquisition_start(int dev_index, void *cb_data) |
f302a082 | 955 | { |
610dbb70 | 956 | struct sr_dev_inst *sdi; |
bd47acab LPC |
957 | struct sr_datafeed_packet packet; |
958 | struct sr_datafeed_header header; | |
f366e86c | 959 | struct sr_datafeed_meta_logic meta; |
772a0e61 | 960 | struct context *ctx; |
610dbb70 JH |
961 | struct libusb_transfer *transfer; |
962 | const struct libusb_pollfd **lupfd; | |
5af666a9 LPC |
963 | unsigned int i; |
964 | int ret; | |
610dbb70 JH |
965 | unsigned char *buf; |
966 | ||
a8cc8e44 | 967 | if (!(sdi = sr_dev_inst_get(fdi->instances, dev_index))) |
610dbb70 JH |
968 | return SR_ERR; |
969 | ctx = sdi->priv; | |
c03f0450 LPC |
970 | |
971 | if (ctx->submitted_transfers != 0) | |
972 | return SR_ERR; | |
973 | ||
3cd3a20b | 974 | ctx->session_dev_id = cb_data; |
2e526f4a | 975 | ctx->num_samples = 0; |
2769eed9 | 976 | ctx->empty_transfer_count = 0; |
610dbb70 | 977 | |
5af666a9 LPC |
978 | const unsigned int timeout = get_timeout(ctx); |
979 | const unsigned int num_transfers = get_number_of_transfers(ctx); | |
980 | const size_t size = get_buffer_size(ctx); | |
981 | ||
0caa1ef0 LPC |
982 | ctx->transfers = g_try_malloc0(sizeof(*ctx->transfers) * num_transfers); |
983 | if (!ctx->transfers) | |
984 | return SR_ERR; | |
985 | ||
986 | ctx->num_transfers = num_transfers; | |
987 | ||
5af666a9 | 988 | for (i = 0; i < num_transfers; i++) { |
610dbb70 | 989 | if (!(buf = g_try_malloc(size))) { |
7ae2f9d5 | 990 | sr_err("fx2lafw: %s: buf malloc failed.", __func__); |
610dbb70 JH |
991 | return SR_ERR_MALLOC; |
992 | } | |
993 | transfer = libusb_alloc_transfer(0); | |
994 | libusb_fill_bulk_transfer(transfer, ctx->usb->devhdl, | |
995 | 2 | LIBUSB_ENDPOINT_IN, buf, size, | |
5af666a9 | 996 | receive_transfer, ctx, timeout); |
610dbb70 | 997 | if (libusb_submit_transfer(transfer) != 0) { |
610dbb70 JH |
998 | libusb_free_transfer(transfer); |
999 | g_free(buf); | |
25f5d66a | 1000 | abort_acquisition(ctx); |
610dbb70 JH |
1001 | return SR_ERR; |
1002 | } | |
0caa1ef0 | 1003 | ctx->transfers[i] = transfer; |
cb61e9f7 | 1004 | ctx->submitted_transfers++; |
610dbb70 JH |
1005 | } |
1006 | ||
1007 | lupfd = libusb_get_pollfds(usb_context); | |
1008 | for (i = 0; lupfd[i]; i++) | |
1009 | sr_source_add(lupfd[i]->fd, lupfd[i]->events, | |
5af666a9 | 1010 | timeout, receive_data, NULL); |
610dbb70 JH |
1011 | free(lupfd); /* NOT g_free()! */ |
1012 | ||
bd47acab LPC |
1013 | packet.type = SR_DF_HEADER; |
1014 | packet.payload = &header; | |
1015 | header.feed_version = 1; | |
1016 | gettimeofday(&header.starttime, NULL); | |
1017 | sr_session_send(cb_data, &packet); | |
f366e86c BV |
1018 | |
1019 | /* Send metadata about the SR_DF_LOGIC packets to come. */ | |
bd47acab LPC |
1020 | packet.type = SR_DF_META_LOGIC; |
1021 | packet.payload = &meta; | |
f366e86c | 1022 | meta.samplerate = ctx->cur_samplerate; |
d1ddc7a9 | 1023 | meta.num_probes = ctx->sample_wide ? 16 : 8; |
bd47acab | 1024 | sr_session_send(cb_data, &packet); |
610dbb70 | 1025 | |
ebc34738 | 1026 | if ((ret = command_start_acquisition (ctx->usb->devhdl, |
d1ddc7a9 | 1027 | ctx->cur_samplerate, ctx->sample_wide)) != SR_OK) { |
25f5d66a | 1028 | abort_acquisition(ctx); |
ebc34738 | 1029 | return ret; |
017375d1 JH |
1030 | } |
1031 | ||
f302a082 JH |
1032 | return SR_OK; |
1033 | } | |
1034 | ||
3cd3a20b | 1035 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ |
c8f2c9dd | 1036 | static int hw_dev_acquisition_stop(int dev_index, void *cb_data) |
f302a082 | 1037 | { |
2e526f4a | 1038 | struct sr_dev_inst *sdi; |
5da93902 | 1039 | |
f4a9e5c0 | 1040 | /* Avoid compiler warnings. */ |
2e526f4a | 1041 | (void)cb_data; |
5da93902 | 1042 | |
a8cc8e44 | 1043 | if (!(sdi = sr_dev_inst_get(fdi->instances, dev_index))) |
2e526f4a JH |
1044 | return SR_ERR; |
1045 | ||
1046 | abort_acquisition(sdi->priv); | |
5da93902 | 1047 | |
f302a082 JH |
1048 | return SR_OK; |
1049 | } | |
1050 | ||
c09f0b57 | 1051 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { |
f302a082 | 1052 | .name = "fx2lafw", |
2e7cb004 | 1053 | .longname = "fx2lafw (generic driver for FX2 based LAs)", |
f302a082 JH |
1054 | .api_version = 1, |
1055 | .init = hw_init, | |
1056 | .cleanup = hw_cleanup, | |
61136ea6 | 1057 | .scan = hw_scan, |
f302a082 JH |
1058 | .dev_open = hw_dev_open, |
1059 | .dev_close = hw_dev_close, | |
6e9339aa | 1060 | .info_get = hw_info_get, |
f302a082 | 1061 | .dev_status_get = hw_dev_status_get, |
f302a082 JH |
1062 | .dev_config_set = hw_dev_config_set, |
1063 | .dev_acquisition_start = hw_dev_acquisition_start, | |
1064 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
a8cc8e44 | 1065 | .instances = NULL, |
f302a082 | 1066 | }; |