]>
Commit | Line | Data |
---|---|---|
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; | |
6f4b1868 BV |
146 | static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, |
147 | const void *value); | |
da686568 | 148 | static int hw_dev_acquisition_stop(int dev_index, 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 | ||
da686568 | 194 | static int fx2lafw_dev_open(int dev_index) |
43125c69 JH |
195 | { |
196 | libusb_device **devlist; | |
197 | struct libusb_device_descriptor des; | |
198 | struct sr_dev_inst *sdi; | |
772a0e61 | 199 | struct context *ctx; |
13bf7ecc | 200 | struct version_info vi; |
ebc34738 | 201 | int ret, skip, i; |
1e94408a | 202 | uint8_t revid; |
43125c69 | 203 | |
a8cc8e44 | 204 | if (!(sdi = sr_dev_inst_get(fdi->instances, dev_index))) |
43125c69 JH |
205 | return SR_ERR; |
206 | ctx = sdi->priv; | |
207 | ||
208 | if (sdi->status == SR_ST_ACTIVE) | |
209 | /* already in use */ | |
210 | return SR_ERR; | |
211 | ||
212 | skip = 0; | |
6fbe5e60 JH |
213 | const int device_count = libusb_get_device_list(usb_context, &devlist); |
214 | if (device_count < 0) { | |
215 | sr_err("fx2lafw: Failed to retrieve device list (%d)", | |
216 | device_count); | |
217 | return SR_ERR; | |
218 | } | |
219 | ||
220 | for (i = 0; i < device_count; i++) { | |
ebc34738 | 221 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { |
7ae2f9d5 UH |
222 | sr_err("fx2lafw: Failed to get device descriptor: %d.", |
223 | ret); | |
43125c69 JH |
224 | continue; |
225 | } | |
226 | ||
74fcfb80 JH |
227 | if (des.idVendor != ctx->profile->vid |
228 | || des.idProduct != ctx->profile->pid) | |
43125c69 JH |
229 | continue; |
230 | ||
231 | if (sdi->status == SR_ST_INITIALIZING) { | |
232 | if (skip != dev_index) { | |
233 | /* Skip devices of this type that aren't the one we want. */ | |
234 | skip += 1; | |
235 | continue; | |
236 | } | |
237 | } else if (sdi->status == SR_ST_INACTIVE) { | |
238 | /* | |
239 | * This device is fully enumerated, so we need to find | |
240 | * this device by vendor, product, bus and address. | |
241 | */ | |
242 | if (libusb_get_bus_number(devlist[i]) != ctx->usb->bus | |
243 | || libusb_get_device_address(devlist[i]) != ctx->usb->address) | |
244 | /* this is not the one */ | |
245 | continue; | |
246 | } | |
247 | ||
ebc34738 | 248 | if (!(ret = libusb_open(devlist[i], &ctx->usb->devhdl))) { |
43125c69 JH |
249 | if (ctx->usb->address == 0xff) |
250 | /* | |
251 | * first time we touch this device after firmware upload, | |
252 | * so we don't know the address yet. | |
253 | */ | |
254 | ctx->usb->address = libusb_get_device_address(devlist[i]); | |
43125c69 | 255 | } else { |
7ae2f9d5 | 256 | sr_err("fx2lafw: Failed to open device: %d.", ret); |
13bf7ecc JH |
257 | break; |
258 | } | |
259 | ||
44dfd483 UH |
260 | ret = command_get_fw_version(ctx->usb->devhdl, &vi); |
261 | if (ret != SR_OK) { | |
13bf7ecc | 262 | sr_err("fx2lafw: Failed to retrieve " |
44dfd483 | 263 | "firmware version information."); |
13bf7ecc | 264 | break; |
43125c69 JH |
265 | } |
266 | ||
1e94408a UH |
267 | ret = command_get_revid_version(ctx->usb->devhdl, &revid); |
268 | if (ret != SR_OK) { | |
269 | sr_err("fx2lafw: Failed to retrieve REVID."); | |
270 | break; | |
271 | } | |
272 | ||
0a8c0c32 UH |
273 | /* |
274 | * Changes in major version mean incompatible/API changes, so | |
275 | * bail out if we encounter an incompatible version. | |
276 | * Different minor versions are OK, they should be compatible. | |
277 | */ | |
278 | if (vi.major != FX2LAFW_REQUIRED_VERSION_MAJOR) { | |
279 | sr_err("fx2lafw: Expected firmware version %d.x, " | |
280 | "got %d.%d.", FX2LAFW_REQUIRED_VERSION_MAJOR, | |
281 | vi.major, vi.minor); | |
13bf7ecc JH |
282 | break; |
283 | } | |
284 | ||
285 | sdi->status = SR_ST_ACTIVE; | |
286 | sr_info("fx2lafw: Opened device %d on %d.%d " | |
1e94408a | 287 | "interface %d, firmware %d.%d, REVID %d.", |
13bf7ecc | 288 | sdi->index, ctx->usb->bus, ctx->usb->address, |
1e94408a | 289 | USB_INTERFACE, vi.major, vi.minor, revid); |
13bf7ecc | 290 | |
43125c69 JH |
291 | break; |
292 | } | |
293 | libusb_free_device_list(devlist, 1); | |
294 | ||
295 | if (sdi->status != SR_ST_ACTIVE) | |
296 | return SR_ERR; | |
297 | ||
298 | return SR_OK; | |
299 | } | |
300 | ||
f1898235 JH |
301 | static void close_dev(struct sr_dev_inst *sdi) |
302 | { | |
772a0e61 | 303 | struct context *ctx; |
f1898235 JH |
304 | |
305 | ctx = sdi->priv; | |
306 | ||
307 | if (ctx->usb->devhdl == NULL) | |
308 | return; | |
309 | ||
7ae2f9d5 UH |
310 | sr_info("fx2lafw: Closing device %d on %d.%d interface %d.", |
311 | sdi->index, ctx->usb->bus, ctx->usb->address, USB_INTERFACE); | |
f1898235 JH |
312 | libusb_release_interface(ctx->usb->devhdl, USB_INTERFACE); |
313 | libusb_close(ctx->usb->devhdl); | |
314 | ctx->usb->devhdl = NULL; | |
315 | sdi->status = SR_ST_INACTIVE; | |
316 | } | |
317 | ||
6c6781b6 JH |
318 | static int configure_probes(struct context *ctx, GSList *probes) |
319 | { | |
320 | struct sr_probe *probe; | |
321 | GSList *l; | |
322 | int probe_bit, stage, i; | |
323 | char *tc; | |
324 | ||
325 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { | |
326 | ctx->trigger_mask[i] = 0; | |
327 | ctx->trigger_value[i] = 0; | |
328 | } | |
329 | ||
330 | stage = -1; | |
331 | for (l = probes; l; l = l->next) { | |
332 | probe = (struct sr_probe *)l->data; | |
333 | if (probe->enabled == FALSE) | |
334 | continue; | |
d1ddc7a9 JH |
335 | |
336 | if (probe->index > 8) | |
0a88ec3d | 337 | ctx->sample_wide = TRUE; |
d1ddc7a9 | 338 | |
6c6781b6 JH |
339 | probe_bit = 1 << (probe->index - 1); |
340 | if (!(probe->trigger)) | |
341 | continue; | |
342 | ||
343 | stage = 0; | |
344 | for (tc = probe->trigger; *tc; tc++) { | |
345 | ctx->trigger_mask[stage] |= probe_bit; | |
346 | if (*tc == '1') | |
347 | ctx->trigger_value[stage] |= probe_bit; | |
348 | stage++; | |
349 | if (stage > NUM_TRIGGER_STAGES) | |
350 | return SR_ERR; | |
351 | } | |
352 | } | |
353 | ||
354 | if (stage == -1) | |
355 | /* | |
356 | * We didn't configure any triggers, make sure acquisition | |
357 | * doesn't wait for any. | |
358 | */ | |
359 | ctx->trigger_stage = TRIGGER_FIRED; | |
360 | else | |
361 | ctx->trigger_stage = 0; | |
362 | ||
363 | return SR_OK; | |
364 | } | |
365 | ||
da686568 | 366 | static struct context *fx2lafw_dev_new(void) |
187b3582 | 367 | { |
772a0e61 | 368 | struct context *ctx; |
187b3582 | 369 | |
772a0e61 | 370 | if (!(ctx = g_try_malloc0(sizeof(struct context)))) { |
7ae2f9d5 | 371 | sr_err("fx2lafw: %s: ctx malloc failed.", __func__); |
187b3582 JH |
372 | return NULL; |
373 | } | |
374 | ||
6c6781b6 JH |
375 | ctx->trigger_stage = TRIGGER_FIRED; |
376 | ||
772a0e61 | 377 | return ctx; |
187b3582 | 378 | } |
f302a082 | 379 | |
f69b47f0 BV |
380 | static int clear_instances(void) |
381 | { | |
382 | GSList *l; | |
383 | struct sr_dev_inst *sdi; | |
384 | struct context *ctx; | |
385 | int ret; | |
386 | ||
387 | ret = SR_OK; | |
388 | for (l = fdi->instances; l; l = l->next) { | |
389 | if (!(sdi = l->data)) { | |
390 | /* Log error, but continue cleaning up the rest. */ | |
391 | sr_err("fx2lafw: %s: sdi was NULL, continuing.", | |
392 | __func__); | |
393 | ret = SR_ERR_BUG; | |
394 | continue; | |
395 | } | |
396 | if (!(ctx = sdi->priv)) { | |
397 | /* Log error, but continue cleaning up the rest. */ | |
398 | sr_err("fx2lafw: %s: sdi->priv was NULL, continuing", | |
399 | __func__); | |
400 | ret = SR_ERR_BUG; | |
401 | continue; | |
402 | } | |
403 | close_dev(sdi); | |
404 | sdi = l->data; | |
405 | sr_dev_inst_free(sdi); | |
406 | } | |
407 | ||
408 | g_slist_free(fdi->instances); | |
409 | fdi->instances = NULL; | |
410 | ||
411 | return ret; | |
412 | } | |
413 | ||
414 | ||
f302a082 JH |
415 | /* |
416 | * API callbacks | |
417 | */ | |
418 | ||
40dda2c3 | 419 | static int hw_init(void) |
61136ea6 BV |
420 | { |
421 | ||
422 | if (libusb_init(&usb_context) != 0) { | |
423 | sr_warn("fx2lafw: Failed to initialize libusb."); | |
424 | return SR_ERR; | |
425 | } | |
426 | ||
427 | return SR_OK; | |
428 | } | |
429 | ||
3a7a22cb | 430 | static GSList *hw_scan(GSList *options) |
f302a082 | 431 | { |
3a7a22cb | 432 | GSList *devices; |
187b3582 | 433 | struct libusb_device_descriptor des; |
3a7a22cb | 434 | struct sr_dev_inst *sdi; |
da686568 | 435 | const struct fx2lafw_profile *prof; |
772a0e61 | 436 | struct context *ctx; |
3a7a22cb | 437 | struct sr_probe *probe; |
187b3582 | 438 | libusb_device **devlist; |
3a7a22cb BV |
439 | int devcnt, num_logic_probes, ret, i, j; |
440 | ||
441 | /* Avoid compiler warnings. */ | |
442 | (void)options; | |
187b3582 | 443 | |
f69b47f0 BV |
444 | /* This scan always invalidates any previous scans. */ |
445 | clear_instances(); | |
446 | ||
921634ec | 447 | /* Find all fx2lafw compatible devices and upload firmware to them. */ |
3a7a22cb | 448 | devices = NULL; |
187b3582 JH |
449 | libusb_get_device_list(usb_context, &devlist); |
450 | for (i = 0; devlist[i]; i++) { | |
451 | ||
ebc34738 | 452 | if ((ret = libusb_get_device_descriptor( |
7ae2f9d5 UH |
453 | devlist[i], &des)) != 0) { |
454 | sr_warn("fx2lafw: Failed to get device descriptor: %d.", ret); | |
187b3582 JH |
455 | continue; |
456 | } | |
457 | ||
da686568 | 458 | prof = NULL; |
187b3582 JH |
459 | for (j = 0; supported_fx2[j].vid; j++) { |
460 | if (des.idVendor == supported_fx2[j].vid && | |
461 | des.idProduct == supported_fx2[j].pid) { | |
da686568 | 462 | prof = &supported_fx2[j]; |
187b3582 JH |
463 | } |
464 | } | |
465 | ||
466 | /* Skip if the device was not found */ | |
da686568 | 467 | if (!prof) |
187b3582 JH |
468 | continue; |
469 | ||
a8cc8e44 | 470 | devcnt = g_slist_length(fdi->instances); |
187b3582 | 471 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, |
da686568 | 472 | prof->vendor, prof->model, prof->model_version); |
f4a9e5c0 | 473 | if (!sdi) |
187b3582 | 474 | return 0; |
c5e82ca5 | 475 | sdi->driver = fdi; |
187b3582 | 476 | |
06717a8a BV |
477 | /* Fill in probelist according to this device's profile. */ |
478 | num_logic_probes = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8; | |
c5e82ca5 | 479 | for (j = 0; j < num_logic_probes; j++) { |
06717a8a BV |
480 | if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE, |
481 | probe_names[j]))) | |
482 | return 0; | |
483 | sdi->probes = g_slist_append(sdi->probes, probe); | |
484 | } | |
485 | ||
da686568 UH |
486 | ctx = fx2lafw_dev_new(); |
487 | ctx->profile = prof; | |
90282c82 | 488 | sdi->priv = ctx; |
a8cc8e44 BV |
489 | fdi->instances = g_slist_append(fdi->instances, sdi); |
490 | devices = g_slist_append(devices, sdi); | |
187b3582 | 491 | |
b1eeb67e JH |
492 | if (check_conf_profile(devlist[i])) { |
493 | /* Already has the firmware, so fix the new address. */ | |
7ae2f9d5 | 494 | sr_dbg("fx2lafw: Found an fx2lafw device."); |
b1eeb67e JH |
495 | sdi->status = SR_ST_INACTIVE; |
496 | ctx->usb = sr_usb_dev_inst_new | |
497 | (libusb_get_bus_number(devlist[i]), | |
498 | libusb_get_device_address(devlist[i]), NULL); | |
499 | } else { | |
f8b07fc6 | 500 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
da686568 | 501 | prof->firmware) == SR_OK) |
b1eeb67e | 502 | /* Remember when the firmware on this device was updated */ |
e8bd58ff | 503 | ctx->fw_updated = g_get_monotonic_time(); |
b1eeb67e | 504 | else |
7ae2f9d5 UH |
505 | sr_err("fx2lafw: Firmware upload failed for " |
506 | "device %d.", devcnt); | |
b1eeb67e JH |
507 | ctx->usb = sr_usb_dev_inst_new |
508 | (libusb_get_bus_number(devlist[i]), 0xff, NULL); | |
509 | } | |
187b3582 JH |
510 | } |
511 | libusb_free_device_list(devlist, 1); | |
512 | ||
3a7a22cb | 513 | return devices; |
f302a082 JH |
514 | } |
515 | ||
772a0e61 | 516 | static int hw_dev_open(int dev_index) |
f302a082 | 517 | { |
43125c69 | 518 | struct sr_dev_inst *sdi; |
772a0e61 | 519 | struct context *ctx; |
e8bd58ff UH |
520 | int ret; |
521 | int64_t timediff_us, timediff_ms; | |
43125c69 | 522 | |
a8cc8e44 | 523 | if (!(sdi = sr_dev_inst_get(fdi->instances, dev_index))) |
43125c69 JH |
524 | return SR_ERR; |
525 | ctx = sdi->priv; | |
526 | ||
527 | /* | |
f60fdf6e UH |
528 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
529 | * milliseconds for the FX2 to renumerate. | |
43125c69 | 530 | */ |
3b6c1930 | 531 | ret = SR_ERR; |
e8bd58ff | 532 | if (ctx->fw_updated > 0) { |
7ae2f9d5 | 533 | sr_info("fx2lafw: Waiting for device to reset."); |
43125c69 JH |
534 | /* takes at least 300ms for the FX2 to be gone from the USB bus */ |
535 | g_usleep(300 * 1000); | |
e8bd58ff | 536 | timediff_ms = 0; |
f60fdf6e | 537 | while (timediff_ms < MAX_RENUM_DELAY_MS) { |
da686568 | 538 | if ((ret = fx2lafw_dev_open(dev_index)) == SR_OK) |
43125c69 JH |
539 | break; |
540 | g_usleep(100 * 1000); | |
e8bd58ff UH |
541 | |
542 | timediff_us = g_get_monotonic_time() - ctx->fw_updated; | |
3b6c1930 BV |
543 | timediff_ms = timediff_us / 1000; |
544 | sr_spew("fx2lafw: waited %" PRIi64 " ms", timediff_ms); | |
43125c69 | 545 | } |
e8bd58ff | 546 | sr_info("fx2lafw: Device came back after %d ms.", timediff_ms); |
43125c69 | 547 | } else { |
da686568 | 548 | ret = fx2lafw_dev_open(dev_index); |
43125c69 JH |
549 | } |
550 | ||
ebc34738 | 551 | if (ret != SR_OK) { |
7ae2f9d5 | 552 | sr_err("fx2lafw: Unable to open device."); |
43125c69 JH |
553 | return SR_ERR; |
554 | } | |
555 | ctx = sdi->priv; | |
556 | ||
ebc34738 UH |
557 | ret = libusb_claim_interface(ctx->usb->devhdl, USB_INTERFACE); |
558 | if (ret != 0) { | |
0c156e06 JH |
559 | switch(ret) { |
560 | case LIBUSB_ERROR_BUSY: | |
561 | sr_err("fx2lafw: Unable to claim USB interface. Another " | |
562 | "program or driver has already claimed it."); | |
563 | break; | |
564 | ||
565 | case LIBUSB_ERROR_NO_DEVICE: | |
566 | sr_err("fx2lafw: Device has been disconnected."); | |
567 | break; | |
568 | ||
569 | default: | |
570 | sr_err("fx2lafw: Unable to claim interface: %d.", ret); | |
571 | break; | |
572 | } | |
573 | ||
43125c69 JH |
574 | return SR_ERR; |
575 | } | |
576 | ||
f92994fd JH |
577 | if (ctx->cur_samplerate == 0) { |
578 | /* Samplerate hasn't been set; default to the slowest one. */ | |
6f4b1868 | 579 | if (hw_dev_config_set(sdi, SR_HWCAP_SAMPLERATE, |
590b9f9a | 580 | &supported_samplerates[0]) == SR_ERR) |
f92994fd JH |
581 | return SR_ERR; |
582 | } | |
583 | ||
f302a082 JH |
584 | return SR_OK; |
585 | } | |
586 | ||
f1898235 | 587 | static int hw_dev_close(int dev_index) |
f302a082 | 588 | { |
f1898235 JH |
589 | struct sr_dev_inst *sdi; |
590 | ||
a8cc8e44 | 591 | if (!(sdi = sr_dev_inst_get(fdi->instances, dev_index))) { |
7ae2f9d5 | 592 | sr_err("fx2lafw: %s: sdi was NULL.", __func__); |
0abee507 | 593 | return SR_ERR_BUG; |
f1898235 JH |
594 | } |
595 | ||
596 | /* TODO */ | |
597 | close_dev(sdi); | |
598 | ||
f302a082 JH |
599 | return SR_OK; |
600 | } | |
601 | ||
602 | static int hw_cleanup(void) | |
603 | { | |
f69b47f0 | 604 | int ret; |
187b3582 | 605 | |
f69b47f0 | 606 | ret = clear_instances(); |
187b3582 | 607 | |
f4a9e5c0 | 608 | if (usb_context) |
187b3582 JH |
609 | libusb_exit(usb_context); |
610 | usb_context = NULL; | |
611 | ||
62bc70e4 | 612 | return ret; |
f302a082 JH |
613 | } |
614 | ||
cbd798f4 | 615 | static int hw_info_get(int info_id, const void **data, |
6e9339aa | 616 | const struct sr_dev_inst *sdi) |
f302a082 | 617 | { |
772a0e61 | 618 | struct context *ctx; |
8b35f474 | 619 | |
cbd798f4 | 620 | switch (info_id) { |
8b35f474 | 621 | case SR_DI_INST: |
a27999e6 BV |
622 | *data = sdi; |
623 | break; | |
a27999e6 BV |
624 | case SR_DI_HWCAPS: |
625 | *data = hwcaps; | |
626 | break; | |
8b35f474 | 627 | case SR_DI_NUM_PROBES: |
6e9339aa BV |
628 | if (sdi) { |
629 | ctx = sdi->priv; | |
630 | *data = GINT_TO_POINTER( | |
631 | (ctx->profile->dev_caps & DEV_CAPS_16BIT) ? | |
632 | 16 : 8); | |
633 | } else | |
634 | return SR_ERR; | |
635 | break; | |
8b35f474 | 636 | case SR_DI_PROBE_NAMES: |
6e9339aa BV |
637 | *data = probe_names; |
638 | break; | |
8b35f474 | 639 | case SR_DI_SAMPLERATES: |
6e9339aa BV |
640 | *data = &samplerates; |
641 | break; | |
8b35f474 | 642 | case SR_DI_TRIGGER_TYPES: |
6e9339aa BV |
643 | *data = TRIGGER_TYPES; |
644 | break; | |
e3186647 | 645 | case SR_DI_CUR_SAMPLERATE: |
6e9339aa BV |
646 | if (sdi) { |
647 | ctx = sdi->priv; | |
648 | *data = &ctx->cur_samplerate; | |
649 | } else | |
650 | return SR_ERR; | |
651 | break; | |
652 | default: | |
653 | return SR_ERR_ARG; | |
8b35f474 JH |
654 | } |
655 | ||
6e9339aa | 656 | return SR_OK; |
f302a082 JH |
657 | } |
658 | ||
772a0e61 | 659 | static int hw_dev_status_get(int dev_index) |
f302a082 | 660 | { |
aae2fed6 | 661 | const struct sr_dev_inst *const sdi = |
a8cc8e44 | 662 | sr_dev_inst_get(fdi->instances, dev_index); |
aae2fed6 JH |
663 | |
664 | if (!sdi) | |
665 | return SR_ST_NOT_FOUND; | |
666 | ||
667 | return sdi->status; | |
f302a082 JH |
668 | } |
669 | ||
6f4b1868 BV |
670 | static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, |
671 | const void *value) | |
f302a082 | 672 | { |
772a0e61 | 673 | struct context *ctx; |
7cb621d4 JH |
674 | int ret; |
675 | ||
7cb621d4 JH |
676 | ctx = sdi->priv; |
677 | ||
e3186647 | 678 | if (hwcap == SR_HWCAP_SAMPLERATE) { |
1b79df2f | 679 | ctx->cur_samplerate = *(const uint64_t *)value; |
e3186647 JH |
680 | ret = SR_OK; |
681 | } else if (hwcap == SR_HWCAP_PROBECONFIG) { | |
6c6781b6 | 682 | ret = configure_probes(ctx, (GSList *) value); |
e3186647 | 683 | } else if (hwcap == SR_HWCAP_LIMIT_SAMPLES) { |
1b79df2f | 684 | ctx->limit_samples = *(const uint64_t *)value; |
7cb621d4 JH |
685 | ret = SR_OK; |
686 | } else { | |
687 | ret = SR_ERR; | |
688 | } | |
689 | ||
690 | return ret; | |
f302a082 JH |
691 | } |
692 | ||
1f9813eb | 693 | static int receive_data(int fd, int revents, void *cb_data) |
610dbb70 JH |
694 | { |
695 | struct timeval tv; | |
696 | ||
697 | /* Avoid compiler warnings. */ | |
698 | (void)fd; | |
699 | (void)revents; | |
1f9813eb | 700 | (void)cb_data; |
610dbb70 JH |
701 | |
702 | tv.tv_sec = tv.tv_usec = 0; | |
703 | libusb_handle_events_timeout(usb_context, &tv); | |
704 | ||
705 | return TRUE; | |
706 | } | |
707 | ||
2e526f4a | 708 | static void abort_acquisition(struct context *ctx) |
cb61e9f7 | 709 | { |
e7d087bf | 710 | int i; |
0caa1ef0 | 711 | |
cb61e9f7 | 712 | ctx->num_samples = -1; |
0caa1ef0 | 713 | |
e7d087bf | 714 | for (i = ctx->num_transfers - 1; i >= 0; i--) { |
0caa1ef0 LPC |
715 | if (ctx->transfers[i]) |
716 | libusb_cancel_transfer(ctx->transfers[i]); | |
717 | } | |
cb61e9f7 JH |
718 | } |
719 | ||
3e6292b2 | 720 | static void finish_acquisition(struct context *ctx) |
2e526f4a JH |
721 | { |
722 | struct sr_datafeed_packet packet; | |
cb61e9f7 | 723 | int i; |
2e526f4a | 724 | |
cb61e9f7 | 725 | /* Terminate session */ |
2e526f4a JH |
726 | packet.type = SR_DF_END; |
727 | sr_session_send(ctx->session_dev_id, &packet); | |
728 | ||
cb61e9f7 JH |
729 | /* Remove fds from polling */ |
730 | const struct libusb_pollfd **const lupfd = | |
731 | libusb_get_pollfds(usb_context); | |
732 | for (i = 0; lupfd[i]; i++) | |
733 | sr_source_remove(lupfd[i]->fd); | |
734 | free(lupfd); /* NOT g_free()! */ | |
0caa1ef0 LPC |
735 | |
736 | ctx->num_transfers = 0; | |
737 | g_free(ctx->transfers); | |
2e526f4a JH |
738 | } |
739 | ||
f855de75 LPC |
740 | static void free_transfer(struct libusb_transfer *transfer) |
741 | { | |
742 | struct context *ctx = transfer->user_data; | |
0caa1ef0 | 743 | unsigned int i; |
f855de75 LPC |
744 | |
745 | g_free(transfer->buffer); | |
746 | transfer->buffer = NULL; | |
747 | libusb_free_transfer(transfer); | |
748 | ||
0caa1ef0 LPC |
749 | for (i = 0; i < ctx->num_transfers; i++) { |
750 | if (ctx->transfers[i] == transfer) { | |
751 | ctx->transfers[i] = NULL; | |
752 | break; | |
753 | } | |
754 | } | |
755 | ||
f855de75 LPC |
756 | ctx->submitted_transfers--; |
757 | if (ctx->submitted_transfers == 0) | |
758 | finish_acquisition(ctx); | |
759 | ||
760 | } | |
761 | ||
17dff8a1 LPC |
762 | static void resubmit_transfer(struct libusb_transfer *transfer) |
763 | { | |
17dff8a1 LPC |
764 | if (libusb_submit_transfer(transfer) != 0) { |
765 | free_transfer(transfer); | |
766 | /* TODO: Stop session? */ | |
767 | /* TODO: Better error message. */ | |
768 | sr_err("fx2lafw: %s: libusb_submit_transfer error.", __func__); | |
769 | } | |
770 | } | |
771 | ||
610dbb70 JH |
772 | static void receive_transfer(struct libusb_transfer *transfer) |
773 | { | |
7ce737a7 | 774 | gboolean packet_has_error = FALSE; |
610dbb70 JH |
775 | struct sr_datafeed_packet packet; |
776 | struct sr_datafeed_logic logic; | |
2e526f4a | 777 | struct context *ctx = transfer->user_data; |
d1ddc7a9 | 778 | int trigger_offset, i; |
610dbb70 | 779 | |
610dbb70 JH |
780 | /* |
781 | * If acquisition has already ended, just free any queued up | |
782 | * transfer that come in. | |
783 | */ | |
2e526f4a | 784 | if (ctx->num_samples == -1) { |
f855de75 | 785 | free_transfer(transfer); |
610dbb70 JH |
786 | return; |
787 | } | |
788 | ||
7ae2f9d5 | 789 | sr_info("fx2lafw: receive_transfer(): status %d received %d bytes.", |
610dbb70 JH |
790 | transfer->status, transfer->actual_length); |
791 | ||
792 | /* Save incoming transfer before reusing the transfer struct. */ | |
d1ddc7a9 JH |
793 | uint8_t *const cur_buf = transfer->buffer; |
794 | const int sample_width = ctx->sample_wide ? 2 : 1; | |
795 | const int cur_sample_count = transfer->actual_length / sample_width; | |
610dbb70 | 796 | |
7ce737a7 LPC |
797 | switch (transfer->status) { |
798 | case LIBUSB_TRANSFER_NO_DEVICE: | |
799 | abort_acquisition(ctx); | |
800 | free_transfer(transfer); | |
801 | return; | |
802 | case LIBUSB_TRANSFER_COMPLETED: | |
803 | case LIBUSB_TRANSFER_TIMED_OUT: /* We may have received some data though */ | |
804 | break; | |
805 | default: | |
806 | packet_has_error = TRUE; | |
807 | break; | |
808 | } | |
809 | ||
810 | if (transfer->actual_length == 0 || packet_has_error) { | |
2769eed9 LPC |
811 | ctx->empty_transfer_count++; |
812 | if (ctx->empty_transfer_count > MAX_EMPTY_TRANSFERS) { | |
610dbb70 JH |
813 | /* |
814 | * The FX2 gave up. End the acquisition, the frontend | |
815 | * will work out that the samplecount is short. | |
816 | */ | |
2e526f4a | 817 | abort_acquisition(ctx); |
17dff8a1 LPC |
818 | free_transfer(transfer); |
819 | } else { | |
820 | resubmit_transfer(transfer); | |
610dbb70 JH |
821 | } |
822 | return; | |
823 | } else { | |
2769eed9 | 824 | ctx->empty_transfer_count = 0; |
610dbb70 JH |
825 | } |
826 | ||
6c6781b6 JH |
827 | trigger_offset = 0; |
828 | if (ctx->trigger_stage >= 0) { | |
d1ddc7a9 JH |
829 | for (i = 0; i < cur_sample_count; i++) { |
830 | ||
831 | const uint16_t cur_sample = ctx->sample_wide ? | |
832 | *((const uint16_t*)cur_buf + i) : | |
833 | *((const uint8_t*)cur_buf + i); | |
6c6781b6 | 834 | |
d1ddc7a9 JH |
835 | if ((cur_sample & ctx->trigger_mask[ctx->trigger_stage]) == |
836 | ctx->trigger_value[ctx->trigger_stage]) { | |
6c6781b6 | 837 | /* Match on this trigger stage. */ |
d1ddc7a9 | 838 | ctx->trigger_buffer[ctx->trigger_stage] = cur_sample; |
6c6781b6 JH |
839 | ctx->trigger_stage++; |
840 | ||
d1ddc7a9 JH |
841 | if (ctx->trigger_stage == NUM_TRIGGER_STAGES || |
842 | ctx->trigger_mask[ctx->trigger_stage] == 0) { | |
6c6781b6 JH |
843 | /* Match on all trigger stages, we're done. */ |
844 | trigger_offset = i + 1; | |
845 | ||
846 | /* | |
847 | * TODO: Send pre-trigger buffer to session bus. | |
848 | * Tell the frontend we hit the trigger here. | |
849 | */ | |
850 | packet.type = SR_DF_TRIGGER; | |
851 | packet.payload = NULL; | |
852 | sr_session_send(ctx->session_dev_id, &packet); | |
853 | ||
854 | /* | |
855 | * Send the samples that triggered it, since we're | |
856 | * skipping past them. | |
857 | */ | |
858 | packet.type = SR_DF_LOGIC; | |
859 | packet.payload = &logic; | |
fa114e4a LPC |
860 | logic.unitsize = sizeof(*ctx->trigger_buffer); |
861 | logic.length = ctx->trigger_stage * logic.unitsize; | |
6c6781b6 JH |
862 | logic.data = ctx->trigger_buffer; |
863 | sr_session_send(ctx->session_dev_id, &packet); | |
864 | ||
865 | ctx->trigger_stage = TRIGGER_FIRED; | |
866 | break; | |
867 | } | |
f3ab43a8 LPC |
868 | } else if (ctx->trigger_stage > 0) { |
869 | /* | |
870 | * We had a match before, but not in the next sample. However, we may | |
871 | * have a match on this stage in the next bit -- trigger on 0001 will | |
872 | * fail on seeing 00001, so we need to go back to stage 0 -- but at | |
873 | * the next sample from the one that matched originally, which the | |
874 | * counter increment at the end of the loop takes care of. | |
875 | */ | |
6c6781b6 JH |
876 | i -= ctx->trigger_stage; |
877 | if (i < -1) | |
878 | i = -1; /* Oops, went back past this buffer. */ | |
879 | /* Reset trigger stage. */ | |
880 | ctx->trigger_stage = 0; | |
881 | } | |
882 | } | |
883 | } | |
610dbb70 | 884 | |
6c6781b6 JH |
885 | if (ctx->trigger_stage == TRIGGER_FIRED) { |
886 | /* Send the incoming transfer to the session bus. */ | |
0a88ec3d | 887 | const int trigger_offset_bytes = trigger_offset * sample_width; |
6c6781b6 JH |
888 | packet.type = SR_DF_LOGIC; |
889 | packet.payload = &logic; | |
d1ddc7a9 JH |
890 | logic.length = transfer->actual_length - trigger_offset_bytes; |
891 | logic.unitsize = sample_width; | |
892 | logic.data = cur_buf + trigger_offset_bytes; | |
6c6781b6 | 893 | sr_session_send(ctx->session_dev_id, &packet); |
6c6781b6 | 894 | |
d1ddc7a9 | 895 | ctx->num_samples += cur_sample_count; |
6c6781b6 JH |
896 | if (ctx->limit_samples && |
897 | (unsigned int)ctx->num_samples > ctx->limit_samples) { | |
898 | abort_acquisition(ctx); | |
0caa1ef0 LPC |
899 | free_transfer(transfer); |
900 | return; | |
6c6781b6 JH |
901 | } |
902 | } else { | |
903 | /* | |
904 | * TODO: Buffer pre-trigger data in capture | |
905 | * ratio-sized buffer. | |
906 | */ | |
610dbb70 | 907 | } |
17dff8a1 LPC |
908 | |
909 | resubmit_transfer(transfer); | |
610dbb70 JH |
910 | } |
911 | ||
5af666a9 LPC |
912 | static unsigned int to_bytes_per_ms(unsigned int samplerate) |
913 | { | |
914 | return samplerate / 1000; | |
915 | } | |
916 | ||
917 | static size_t get_buffer_size(struct context *ctx) | |
918 | { | |
919 | size_t s; | |
920 | ||
921 | /* The buffer should be large enough to hold 10ms of data and a multiple | |
922 | * of 512. */ | |
923 | s = 10 * to_bytes_per_ms(ctx->cur_samplerate); | |
924 | return (s + 511) & ~511; | |
925 | } | |
926 | ||
927 | static unsigned int get_number_of_transfers(struct context *ctx) | |
928 | { | |
929 | unsigned int n; | |
930 | ||
931 | /* Total buffer size should be able to hold about 500ms of data */ | |
932 | n = 500 * to_bytes_per_ms(ctx->cur_samplerate) / get_buffer_size(ctx); | |
933 | ||
934 | if (n > NUM_SIMUL_TRANSFERS) | |
935 | return NUM_SIMUL_TRANSFERS; | |
936 | ||
937 | return n; | |
938 | } | |
939 | ||
940 | static unsigned int get_timeout(struct context *ctx) | |
941 | { | |
942 | size_t total_size; | |
943 | unsigned int timeout; | |
944 | ||
945 | total_size = get_buffer_size(ctx) * get_number_of_transfers(ctx); | |
946 | timeout = total_size / to_bytes_per_ms(ctx->cur_samplerate); | |
947 | return timeout + timeout / 4; /* Leave a headroom of 25% percent */ | |
948 | } | |
949 | ||
3cd3a20b | 950 | static int hw_dev_acquisition_start(int dev_index, void *cb_data) |
f302a082 | 951 | { |
610dbb70 | 952 | struct sr_dev_inst *sdi; |
bd47acab LPC |
953 | struct sr_datafeed_packet packet; |
954 | struct sr_datafeed_header header; | |
f366e86c | 955 | struct sr_datafeed_meta_logic meta; |
772a0e61 | 956 | struct context *ctx; |
610dbb70 JH |
957 | struct libusb_transfer *transfer; |
958 | const struct libusb_pollfd **lupfd; | |
5af666a9 LPC |
959 | unsigned int i; |
960 | int ret; | |
610dbb70 JH |
961 | unsigned char *buf; |
962 | ||
a8cc8e44 | 963 | if (!(sdi = sr_dev_inst_get(fdi->instances, dev_index))) |
610dbb70 JH |
964 | return SR_ERR; |
965 | ctx = sdi->priv; | |
c03f0450 LPC |
966 | |
967 | if (ctx->submitted_transfers != 0) | |
968 | return SR_ERR; | |
969 | ||
3cd3a20b | 970 | ctx->session_dev_id = cb_data; |
2e526f4a | 971 | ctx->num_samples = 0; |
2769eed9 | 972 | ctx->empty_transfer_count = 0; |
610dbb70 | 973 | |
5af666a9 LPC |
974 | const unsigned int timeout = get_timeout(ctx); |
975 | const unsigned int num_transfers = get_number_of_transfers(ctx); | |
976 | const size_t size = get_buffer_size(ctx); | |
977 | ||
0caa1ef0 LPC |
978 | ctx->transfers = g_try_malloc0(sizeof(*ctx->transfers) * num_transfers); |
979 | if (!ctx->transfers) | |
980 | return SR_ERR; | |
981 | ||
982 | ctx->num_transfers = num_transfers; | |
983 | ||
5af666a9 | 984 | for (i = 0; i < num_transfers; i++) { |
610dbb70 | 985 | if (!(buf = g_try_malloc(size))) { |
7ae2f9d5 | 986 | sr_err("fx2lafw: %s: buf malloc failed.", __func__); |
610dbb70 JH |
987 | return SR_ERR_MALLOC; |
988 | } | |
989 | transfer = libusb_alloc_transfer(0); | |
990 | libusb_fill_bulk_transfer(transfer, ctx->usb->devhdl, | |
991 | 2 | LIBUSB_ENDPOINT_IN, buf, size, | |
5af666a9 | 992 | receive_transfer, ctx, timeout); |
610dbb70 | 993 | if (libusb_submit_transfer(transfer) != 0) { |
610dbb70 JH |
994 | libusb_free_transfer(transfer); |
995 | g_free(buf); | |
25f5d66a | 996 | abort_acquisition(ctx); |
610dbb70 JH |
997 | return SR_ERR; |
998 | } | |
0caa1ef0 | 999 | ctx->transfers[i] = transfer; |
cb61e9f7 | 1000 | ctx->submitted_transfers++; |
610dbb70 JH |
1001 | } |
1002 | ||
1003 | lupfd = libusb_get_pollfds(usb_context); | |
1004 | for (i = 0; lupfd[i]; i++) | |
1005 | sr_source_add(lupfd[i]->fd, lupfd[i]->events, | |
5af666a9 | 1006 | timeout, receive_data, NULL); |
610dbb70 JH |
1007 | free(lupfd); /* NOT g_free()! */ |
1008 | ||
bd47acab LPC |
1009 | packet.type = SR_DF_HEADER; |
1010 | packet.payload = &header; | |
1011 | header.feed_version = 1; | |
1012 | gettimeofday(&header.starttime, NULL); | |
1013 | sr_session_send(cb_data, &packet); | |
f366e86c BV |
1014 | |
1015 | /* Send metadata about the SR_DF_LOGIC packets to come. */ | |
bd47acab LPC |
1016 | packet.type = SR_DF_META_LOGIC; |
1017 | packet.payload = &meta; | |
f366e86c | 1018 | meta.samplerate = ctx->cur_samplerate; |
d1ddc7a9 | 1019 | meta.num_probes = ctx->sample_wide ? 16 : 8; |
bd47acab | 1020 | sr_session_send(cb_data, &packet); |
610dbb70 | 1021 | |
ebc34738 | 1022 | if ((ret = command_start_acquisition (ctx->usb->devhdl, |
d1ddc7a9 | 1023 | ctx->cur_samplerate, ctx->sample_wide)) != SR_OK) { |
25f5d66a | 1024 | abort_acquisition(ctx); |
ebc34738 | 1025 | return ret; |
017375d1 JH |
1026 | } |
1027 | ||
f302a082 JH |
1028 | return SR_OK; |
1029 | } | |
1030 | ||
3cd3a20b | 1031 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ |
c8f2c9dd | 1032 | static int hw_dev_acquisition_stop(int dev_index, void *cb_data) |
f302a082 | 1033 | { |
2e526f4a | 1034 | struct sr_dev_inst *sdi; |
5da93902 | 1035 | |
f4a9e5c0 | 1036 | /* Avoid compiler warnings. */ |
2e526f4a | 1037 | (void)cb_data; |
5da93902 | 1038 | |
a8cc8e44 | 1039 | if (!(sdi = sr_dev_inst_get(fdi->instances, dev_index))) |
2e526f4a JH |
1040 | return SR_ERR; |
1041 | ||
1042 | abort_acquisition(sdi->priv); | |
5da93902 | 1043 | |
f302a082 JH |
1044 | return SR_OK; |
1045 | } | |
1046 | ||
c09f0b57 | 1047 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { |
f302a082 | 1048 | .name = "fx2lafw", |
2e7cb004 | 1049 | .longname = "fx2lafw (generic driver for FX2 based LAs)", |
f302a082 JH |
1050 | .api_version = 1, |
1051 | .init = hw_init, | |
1052 | .cleanup = hw_cleanup, | |
61136ea6 | 1053 | .scan = hw_scan, |
f302a082 JH |
1054 | .dev_open = hw_dev_open, |
1055 | .dev_close = hw_dev_close, | |
6e9339aa | 1056 | .info_get = hw_info_get, |
f302a082 | 1057 | .dev_status_get = hw_dev_status_get, |
f302a082 JH |
1058 | .dev_config_set = hw_dev_config_set, |
1059 | .dev_acquisition_start = hw_dev_acquisition_start, | |
1060 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
a8cc8e44 | 1061 | .instances = NULL, |
f302a082 | 1062 | }; |