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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> |
45c59c8b BV |
26 | #include "libsigrok.h" |
27 | #include "libsigrok-internal.h" | |
f302a082 | 28 | #include "fx2lafw.h" |
f6582cd7 | 29 | #include "command.h" |
f302a082 | 30 | |
4679d14d | 31 | static const struct fx2lafw_profile supported_fx2[] = { |
7ae2f9d5 UH |
32 | /* |
33 | * CWAV USBee AX | |
17b6c75a | 34 | * EE Electronics ESLA201A |
9f05304e | 35 | * ARMFLY AX-Pro |
17b6c75a | 36 | */ |
f8b07fc6 | 37 | { 0x08a9, 0x0014, "CWAV", "USBee AX", NULL, |
d1ddc7a9 JH |
38 | FIRMWARE_DIR "/fx2lafw-cwav-usbeeax.fw", |
39 | 0 }, | |
0e8d0e24 IF |
40 | /* |
41 | * CWAV USBee DX | |
42 | * XZL-Studio DX | |
43 | */ | |
44 | { 0x08a9, 0x0015, "CWAV", "USBee DX", NULL, | |
45 | FIRMWARE_DIR "/fx2lafw-cwav-usbeedx.fw", | |
46 | DEV_CAPS_16BIT }, | |
93a9f3da | 47 | |
7ae2f9d5 UH |
48 | /* |
49 | * CWAV USBee SX | |
4502e869 JH |
50 | */ |
51 | { 0x08a9, 0x0009, "CWAV", "USBee SX", NULL, | |
d1ddc7a9 JH |
52 | FIRMWARE_DIR "/fx2lafw-cwav-usbeesx.fw", |
53 | 0 }, | |
4502e869 | 54 | |
7ae2f9d5 UH |
55 | /* |
56 | * Saleae Logic | |
93a9f3da JH |
57 | * EE Electronics ESLA100 |
58 | * Robomotic MiniLogic | |
1663e470 | 59 | * Robomotic BugLogic 3 |
93a9f3da JH |
60 | */ |
61 | { 0x0925, 0x3881, "Saleae", "Logic", NULL, | |
d1ddc7a9 JH |
62 | FIRMWARE_DIR "/fx2lafw-saleae-logic.fw", |
63 | 0 }, | |
93a9f3da | 64 | |
f488762a | 65 | /* |
1663e470 UH |
66 | * Default Cypress FX2 without EEPROM, e.g.: |
67 | * Lcsoft Mini Board | |
68 | * Braintechnology USB Interface V2.x | |
f488762a JH |
69 | */ |
70 | { 0x04B4, 0x8613, "Cypress", "FX2", NULL, | |
d1ddc7a9 JH |
71 | FIRMWARE_DIR "/fx2lafw-cypress-fx2.fw", |
72 | DEV_CAPS_16BIT }, | |
f488762a | 73 | |
1663e470 UH |
74 | /* |
75 | * Braintechnology USB-LPS | |
76 | */ | |
77 | { 0x16d0, 0x0498, "Braintechnology", "USB-LPS", NULL, | |
d1ddc7a9 JH |
78 | FIRMWARE_DIR "/fx2lafw-braintechnology-usb-lps.fw", |
79 | DEV_CAPS_16BIT }, | |
1663e470 | 80 | |
f8b07fc6 | 81 | { 0, 0, 0, 0, 0, 0, 0 } |
187b3582 JH |
82 | }; |
83 | ||
915f7cc8 | 84 | static const int hwcaps[] = { |
8b35f474 JH |
85 | SR_HWCAP_LOGIC_ANALYZER, |
86 | SR_HWCAP_SAMPLERATE, | |
87 | ||
88 | /* These are really implemented in the driver, not the hardware. */ | |
89 | SR_HWCAP_LIMIT_SAMPLES, | |
90 | SR_HWCAP_CONTINUOUS, | |
772a0e61 | 91 | 0, |
8b35f474 JH |
92 | }; |
93 | ||
da686568 | 94 | static const char *probe_names[] = { |
7ae2f9d5 UH |
95 | "0", |
96 | "1", | |
97 | "2", | |
98 | "3", | |
99 | "4", | |
100 | "5", | |
101 | "6", | |
102 | "7", | |
d1ddc7a9 JH |
103 | "8", |
104 | "9", | |
105 | "10", | |
106 | "11", | |
107 | "12", | |
108 | "13", | |
109 | "14", | |
110 | "15", | |
772a0e61 | 111 | NULL, |
8b35f474 JH |
112 | }; |
113 | ||
a533743d | 114 | static const uint64_t supported_samplerates[] = { |
79dc6498 JH |
115 | SR_KHZ(20), |
116 | SR_KHZ(25), | |
897c1a2e JH |
117 | SR_KHZ(50), |
118 | SR_KHZ(100), | |
9304d576 JH |
119 | SR_KHZ(200), |
120 | SR_KHZ(250), | |
121 | SR_KHZ(500), | |
8b35f474 JH |
122 | SR_MHZ(1), |
123 | SR_MHZ(2), | |
124 | SR_MHZ(3), | |
125 | SR_MHZ(4), | |
126 | SR_MHZ(6), | |
127 | SR_MHZ(8), | |
128 | SR_MHZ(12), | |
129 | SR_MHZ(16), | |
772a0e61 | 130 | SR_MHZ(24), |
934cde02 | 131 | 0, |
8b35f474 JH |
132 | }; |
133 | ||
a533743d | 134 | static const struct sr_samplerates samplerates = { |
590b9f9a UH |
135 | 0, |
136 | 0, | |
137 | 0, | |
138 | supported_samplerates, | |
8b35f474 JH |
139 | }; |
140 | ||
a8cc8e44 BV |
141 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info; |
142 | static struct sr_dev_driver *fdi = &fx2lafw_driver_info; | |
25a0f108 | 143 | static int hw_dev_close(struct sr_dev_inst *sdi); |
6f4b1868 BV |
144 | static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, |
145 | const void *value); | |
69b07d14 | 146 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data); |
610dbb70 | 147 | |
b1eeb67e JH |
148 | /** |
149 | * Check the USB configuration to determine if this is an fx2lafw device. | |
150 | * | |
f9a69557 UH |
151 | * @return TRUE if the device's configuration profile match fx2lafw |
152 | * configuration, FALSE otherwise. | |
b1eeb67e | 153 | */ |
f9a69557 | 154 | static gboolean check_conf_profile(libusb_device *dev) |
b1eeb67e JH |
155 | { |
156 | struct libusb_device_descriptor des; | |
6b73d9a5 BV |
157 | struct libusb_device_handle *hdl; |
158 | gboolean ret; | |
159 | unsigned char strdesc[64]; | |
b1eeb67e | 160 | |
6b73d9a5 BV |
161 | hdl = NULL; |
162 | ret = FALSE; | |
b1eeb67e | 163 | while (!ret) { |
da686568 | 164 | /* Assume the FW has not been loaded, unless proven wrong. */ |
b1eeb67e JH |
165 | if (libusb_get_device_descriptor(dev, &des) != 0) |
166 | break; | |
167 | ||
6b73d9a5 | 168 | if (libusb_open(dev, &hdl) != 0) |
b1eeb67e JH |
169 | break; |
170 | ||
6b73d9a5 BV |
171 | if (libusb_get_string_descriptor_ascii(hdl, |
172 | des.iManufacturer, strdesc, sizeof(strdesc)) < 0) | |
b1eeb67e | 173 | break; |
6b73d9a5 | 174 | if (strncmp((const char *)strdesc, "sigrok", 6)) |
b1eeb67e JH |
175 | break; |
176 | ||
6b73d9a5 BV |
177 | if (libusb_get_string_descriptor_ascii(hdl, |
178 | des.iProduct, strdesc, sizeof(strdesc)) < 0) | |
b1eeb67e | 179 | break; |
6b73d9a5 | 180 | if (strncmp((const char *)strdesc, "fx2lafw", 7)) |
b1eeb67e JH |
181 | break; |
182 | ||
b1eeb67e | 183 | /* If we made it here, it must be an fx2lafw. */ |
f9a69557 | 184 | ret = TRUE; |
b1eeb67e | 185 | } |
6b73d9a5 BV |
186 | if (hdl) |
187 | libusb_close(hdl); | |
b1eeb67e JH |
188 | |
189 | return ret; | |
190 | } | |
191 | ||
25a0f108 | 192 | static int fx2lafw_dev_open(struct sr_dev_inst *sdi) |
43125c69 JH |
193 | { |
194 | libusb_device **devlist; | |
195 | struct libusb_device_descriptor des; | |
dc9dbe94 | 196 | struct dev_context *devc; |
13bf7ecc | 197 | struct version_info vi; |
ebc34738 | 198 | int ret, skip, i; |
1e94408a | 199 | uint8_t revid; |
43125c69 | 200 | |
dc9dbe94 | 201 | devc = sdi->priv; |
43125c69 JH |
202 | |
203 | if (sdi->status == SR_ST_ACTIVE) | |
204 | /* already in use */ | |
205 | return SR_ERR; | |
206 | ||
207 | skip = 0; | |
f5cfe894 | 208 | const int device_count = libusb_get_device_list(NULL, &devlist); |
6fbe5e60 JH |
209 | if (device_count < 0) { |
210 | sr_err("fx2lafw: Failed to retrieve device list (%d)", | |
211 | device_count); | |
212 | return SR_ERR; | |
213 | } | |
214 | ||
215 | for (i = 0; i < device_count; i++) { | |
ebc34738 | 216 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { |
7ae2f9d5 UH |
217 | sr_err("fx2lafw: Failed to get device descriptor: %d.", |
218 | ret); | |
43125c69 JH |
219 | continue; |
220 | } | |
221 | ||
dc9dbe94 BV |
222 | if (des.idVendor != devc->profile->vid |
223 | || des.idProduct != devc->profile->pid) | |
43125c69 JH |
224 | continue; |
225 | ||
226 | if (sdi->status == SR_ST_INITIALIZING) { | |
25a0f108 | 227 | if (skip != sdi->index) { |
43125c69 JH |
228 | /* Skip devices of this type that aren't the one we want. */ |
229 | skip += 1; | |
230 | continue; | |
231 | } | |
232 | } else if (sdi->status == SR_ST_INACTIVE) { | |
233 | /* | |
234 | * This device is fully enumerated, so we need to find | |
235 | * this device by vendor, product, bus and address. | |
236 | */ | |
dc9dbe94 BV |
237 | if (libusb_get_bus_number(devlist[i]) != devc->usb->bus |
238 | || libusb_get_device_address(devlist[i]) != devc->usb->address) | |
43125c69 JH |
239 | /* this is not the one */ |
240 | continue; | |
241 | } | |
242 | ||
dc9dbe94 BV |
243 | if (!(ret = libusb_open(devlist[i], &devc->usb->devhdl))) { |
244 | if (devc->usb->address == 0xff) | |
43125c69 JH |
245 | /* |
246 | * first time we touch this device after firmware upload, | |
247 | * so we don't know the address yet. | |
248 | */ | |
dc9dbe94 | 249 | devc->usb->address = libusb_get_device_address(devlist[i]); |
43125c69 | 250 | } else { |
7ae2f9d5 | 251 | sr_err("fx2lafw: Failed to open device: %d.", ret); |
13bf7ecc JH |
252 | break; |
253 | } | |
254 | ||
dc9dbe94 | 255 | ret = command_get_fw_version(devc->usb->devhdl, &vi); |
44dfd483 | 256 | if (ret != SR_OK) { |
13bf7ecc | 257 | sr_err("fx2lafw: Failed to retrieve " |
44dfd483 | 258 | "firmware version information."); |
13bf7ecc | 259 | break; |
43125c69 JH |
260 | } |
261 | ||
dc9dbe94 | 262 | ret = command_get_revid_version(devc->usb->devhdl, &revid); |
1e94408a UH |
263 | if (ret != SR_OK) { |
264 | sr_err("fx2lafw: Failed to retrieve REVID."); | |
265 | break; | |
266 | } | |
267 | ||
0a8c0c32 UH |
268 | /* |
269 | * Changes in major version mean incompatible/API changes, so | |
270 | * bail out if we encounter an incompatible version. | |
271 | * Different minor versions are OK, they should be compatible. | |
272 | */ | |
273 | if (vi.major != FX2LAFW_REQUIRED_VERSION_MAJOR) { | |
274 | sr_err("fx2lafw: Expected firmware version %d.x, " | |
275 | "got %d.%d.", FX2LAFW_REQUIRED_VERSION_MAJOR, | |
276 | vi.major, vi.minor); | |
13bf7ecc JH |
277 | break; |
278 | } | |
279 | ||
280 | sdi->status = SR_ST_ACTIVE; | |
281 | sr_info("fx2lafw: Opened device %d on %d.%d " | |
1e94408a | 282 | "interface %d, firmware %d.%d, REVID %d.", |
dc9dbe94 | 283 | sdi->index, devc->usb->bus, devc->usb->address, |
1e94408a | 284 | USB_INTERFACE, vi.major, vi.minor, revid); |
13bf7ecc | 285 | |
43125c69 JH |
286 | break; |
287 | } | |
288 | libusb_free_device_list(devlist, 1); | |
289 | ||
290 | if (sdi->status != SR_ST_ACTIVE) | |
291 | return SR_ERR; | |
292 | ||
293 | return SR_OK; | |
294 | } | |
295 | ||
014359e3 | 296 | static int configure_probes(const struct sr_dev_inst *sdi) |
6c6781b6 | 297 | { |
014359e3 | 298 | struct dev_context *devc; |
6c6781b6 JH |
299 | struct sr_probe *probe; |
300 | GSList *l; | |
301 | int probe_bit, stage, i; | |
302 | char *tc; | |
303 | ||
014359e3 | 304 | devc = sdi->priv; |
6c6781b6 | 305 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { |
dc9dbe94 BV |
306 | devc->trigger_mask[i] = 0; |
307 | devc->trigger_value[i] = 0; | |
6c6781b6 JH |
308 | } |
309 | ||
310 | stage = -1; | |
014359e3 | 311 | for (l = sdi->probes; l; l = l->next) { |
6c6781b6 JH |
312 | probe = (struct sr_probe *)l->data; |
313 | if (probe->enabled == FALSE) | |
314 | continue; | |
d1ddc7a9 | 315 | |
b35c8293 | 316 | if (probe->index > 7) |
dc9dbe94 | 317 | devc->sample_wide = TRUE; |
d1ddc7a9 | 318 | |
b35c8293 | 319 | probe_bit = 1 << (probe->index); |
6c6781b6 JH |
320 | if (!(probe->trigger)) |
321 | continue; | |
322 | ||
323 | stage = 0; | |
324 | for (tc = probe->trigger; *tc; tc++) { | |
dc9dbe94 | 325 | devc->trigger_mask[stage] |= probe_bit; |
6c6781b6 | 326 | if (*tc == '1') |
dc9dbe94 | 327 | devc->trigger_value[stage] |= probe_bit; |
6c6781b6 JH |
328 | stage++; |
329 | if (stage > NUM_TRIGGER_STAGES) | |
330 | return SR_ERR; | |
331 | } | |
332 | } | |
333 | ||
334 | if (stage == -1) | |
335 | /* | |
336 | * We didn't configure any triggers, make sure acquisition | |
337 | * doesn't wait for any. | |
338 | */ | |
dc9dbe94 | 339 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 | 340 | else |
dc9dbe94 | 341 | devc->trigger_stage = 0; |
6c6781b6 JH |
342 | |
343 | return SR_OK; | |
344 | } | |
345 | ||
dc9dbe94 | 346 | static struct dev_context *fx2lafw_dev_new(void) |
187b3582 | 347 | { |
dc9dbe94 | 348 | struct dev_context *devc; |
187b3582 | 349 | |
dc9dbe94 BV |
350 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { |
351 | sr_err("fx2lafw: %s: devc malloc failed.", __func__); | |
187b3582 JH |
352 | return NULL; |
353 | } | |
354 | ||
dc9dbe94 | 355 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 | 356 | |
dc9dbe94 | 357 | return devc; |
187b3582 | 358 | } |
f302a082 | 359 | |
f69b47f0 BV |
360 | static int clear_instances(void) |
361 | { | |
362 | GSList *l; | |
363 | struct sr_dev_inst *sdi; | |
dc9dbe94 BV |
364 | struct drv_context *drvc; |
365 | struct dev_context *devc; | |
f69b47f0 BV |
366 | int ret; |
367 | ||
dc9dbe94 | 368 | drvc = fdi->priv; |
f69b47f0 | 369 | ret = SR_OK; |
dc9dbe94 | 370 | for (l = drvc->instances; l; l = l->next) { |
f69b47f0 BV |
371 | if (!(sdi = l->data)) { |
372 | /* Log error, but continue cleaning up the rest. */ | |
373 | sr_err("fx2lafw: %s: sdi was NULL, continuing.", | |
374 | __func__); | |
375 | ret = SR_ERR_BUG; | |
376 | continue; | |
377 | } | |
dc9dbe94 | 378 | if (!(devc = sdi->priv)) { |
f69b47f0 BV |
379 | /* Log error, but continue cleaning up the rest. */ |
380 | sr_err("fx2lafw: %s: sdi->priv was NULL, continuing", | |
381 | __func__); | |
382 | ret = SR_ERR_BUG; | |
383 | continue; | |
384 | } | |
25a0f108 | 385 | hw_dev_close(sdi); |
fabe59b3 | 386 | sr_usb_dev_inst_free(devc->usb); |
f69b47f0 BV |
387 | sdi = l->data; |
388 | sr_dev_inst_free(sdi); | |
389 | } | |
390 | ||
dc9dbe94 BV |
391 | g_slist_free(drvc->instances); |
392 | drvc->instances = NULL; | |
f69b47f0 BV |
393 | |
394 | return ret; | |
395 | } | |
396 | ||
397 | ||
f302a082 JH |
398 | /* |
399 | * API callbacks | |
400 | */ | |
401 | ||
40dda2c3 | 402 | static int hw_init(void) |
61136ea6 | 403 | { |
dc9dbe94 BV |
404 | struct drv_context *drvc; |
405 | ||
406 | if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) { | |
407 | sr_err("fx2lafw: driver context malloc failed."); | |
886a52b6 | 408 | return SR_ERR_MALLOC; |
dc9dbe94 | 409 | } |
61136ea6 | 410 | |
f5cfe894 | 411 | if (libusb_init(NULL) != 0) { |
dc9dbe94 | 412 | g_free(drvc); |
61136ea6 BV |
413 | sr_warn("fx2lafw: Failed to initialize libusb."); |
414 | return SR_ERR; | |
415 | } | |
416 | ||
dc9dbe94 BV |
417 | fdi->priv = drvc; |
418 | ||
61136ea6 BV |
419 | return SR_OK; |
420 | } | |
421 | ||
3a7a22cb | 422 | static GSList *hw_scan(GSList *options) |
f302a082 | 423 | { |
3a7a22cb | 424 | GSList *devices; |
187b3582 | 425 | struct libusb_device_descriptor des; |
3a7a22cb | 426 | struct sr_dev_inst *sdi; |
da686568 | 427 | const struct fx2lafw_profile *prof; |
dc9dbe94 BV |
428 | struct drv_context *drvc; |
429 | struct dev_context *devc; | |
3a7a22cb | 430 | struct sr_probe *probe; |
187b3582 | 431 | libusb_device **devlist; |
3a7a22cb BV |
432 | int devcnt, num_logic_probes, ret, i, j; |
433 | ||
434 | /* Avoid compiler warnings. */ | |
435 | (void)options; | |
dc9dbe94 | 436 | drvc = fdi->priv; |
187b3582 | 437 | |
f69b47f0 BV |
438 | /* This scan always invalidates any previous scans. */ |
439 | clear_instances(); | |
440 | ||
921634ec | 441 | /* Find all fx2lafw compatible devices and upload firmware to them. */ |
3a7a22cb | 442 | devices = NULL; |
f5cfe894 | 443 | libusb_get_device_list(NULL, &devlist); |
187b3582 JH |
444 | for (i = 0; devlist[i]; i++) { |
445 | ||
ebc34738 | 446 | if ((ret = libusb_get_device_descriptor( |
7ae2f9d5 UH |
447 | devlist[i], &des)) != 0) { |
448 | sr_warn("fx2lafw: Failed to get device descriptor: %d.", ret); | |
187b3582 JH |
449 | continue; |
450 | } | |
451 | ||
da686568 | 452 | prof = NULL; |
187b3582 JH |
453 | for (j = 0; supported_fx2[j].vid; j++) { |
454 | if (des.idVendor == supported_fx2[j].vid && | |
455 | des.idProduct == supported_fx2[j].pid) { | |
da686568 | 456 | prof = &supported_fx2[j]; |
187b3582 JH |
457 | } |
458 | } | |
459 | ||
460 | /* Skip if the device was not found */ | |
da686568 | 461 | if (!prof) |
187b3582 JH |
462 | continue; |
463 | ||
dc9dbe94 | 464 | devcnt = g_slist_length(drvc->instances); |
187b3582 | 465 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, |
da686568 | 466 | prof->vendor, prof->model, prof->model_version); |
f4a9e5c0 | 467 | if (!sdi) |
25a0f108 | 468 | return NULL; |
c5e82ca5 | 469 | sdi->driver = fdi; |
187b3582 | 470 | |
06717a8a BV |
471 | /* Fill in probelist according to this device's profile. */ |
472 | num_logic_probes = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8; | |
c5e82ca5 | 473 | for (j = 0; j < num_logic_probes; j++) { |
06717a8a BV |
474 | if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE, |
475 | probe_names[j]))) | |
25a0f108 | 476 | return NULL; |
06717a8a BV |
477 | sdi->probes = g_slist_append(sdi->probes, probe); |
478 | } | |
479 | ||
dc9dbe94 BV |
480 | devc = fx2lafw_dev_new(); |
481 | devc->profile = prof; | |
482 | sdi->priv = devc; | |
483 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
a8cc8e44 | 484 | devices = g_slist_append(devices, sdi); |
187b3582 | 485 | |
b1eeb67e JH |
486 | if (check_conf_profile(devlist[i])) { |
487 | /* Already has the firmware, so fix the new address. */ | |
7ae2f9d5 | 488 | sr_dbg("fx2lafw: Found an fx2lafw device."); |
b1eeb67e | 489 | sdi->status = SR_ST_INACTIVE; |
dc9dbe94 | 490 | devc->usb = sr_usb_dev_inst_new |
b1eeb67e JH |
491 | (libusb_get_bus_number(devlist[i]), |
492 | libusb_get_device_address(devlist[i]), NULL); | |
493 | } else { | |
f8b07fc6 | 494 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
da686568 | 495 | prof->firmware) == SR_OK) |
b1eeb67e | 496 | /* Remember when the firmware on this device was updated */ |
dc9dbe94 | 497 | devc->fw_updated = g_get_monotonic_time(); |
b1eeb67e | 498 | else |
7ae2f9d5 UH |
499 | sr_err("fx2lafw: Firmware upload failed for " |
500 | "device %d.", devcnt); | |
dc9dbe94 | 501 | devc->usb = sr_usb_dev_inst_new |
b1eeb67e JH |
502 | (libusb_get_bus_number(devlist[i]), 0xff, NULL); |
503 | } | |
187b3582 JH |
504 | } |
505 | libusb_free_device_list(devlist, 1); | |
506 | ||
3a7a22cb | 507 | return devices; |
f302a082 JH |
508 | } |
509 | ||
811deee4 BV |
510 | static GSList *hw_dev_list(void) |
511 | { | |
512 | struct drv_context *drvc; | |
513 | ||
514 | drvc = fdi->priv; | |
515 | ||
516 | return drvc->instances; | |
517 | } | |
518 | ||
25a0f108 | 519 | static int hw_dev_open(struct sr_dev_inst *sdi) |
f302a082 | 520 | { |
dc9dbe94 | 521 | struct dev_context *devc; |
e8bd58ff UH |
522 | int ret; |
523 | int64_t timediff_us, timediff_ms; | |
43125c69 | 524 | |
dc9dbe94 | 525 | devc = sdi->priv; |
43125c69 JH |
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; |
dc9dbe94 | 532 | if (devc->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) { |
25a0f108 | 538 | if ((ret = fx2lafw_dev_open(sdi)) == SR_OK) |
43125c69 JH |
539 | break; |
540 | g_usleep(100 * 1000); | |
e8bd58ff | 541 | |
dc9dbe94 | 542 | timediff_us = g_get_monotonic_time() - devc->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 { |
25a0f108 | 548 | ret = fx2lafw_dev_open(sdi); |
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 | } | |
dc9dbe94 | 555 | devc = sdi->priv; |
43125c69 | 556 | |
dc9dbe94 | 557 | ret = libusb_claim_interface(devc->usb->devhdl, USB_INTERFACE); |
ebc34738 | 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 | ||
dc9dbe94 | 577 | if (devc->cur_samplerate == 0) { |
f92994fd | 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 | ||
25a0f108 | 587 | static int hw_dev_close(struct sr_dev_inst *sdi) |
f302a082 | 588 | { |
dc9dbe94 | 589 | struct dev_context *devc; |
f1898235 | 590 | |
dc9dbe94 BV |
591 | devc = sdi->priv; |
592 | if (devc->usb->devhdl == NULL) | |
25a0f108 | 593 | return SR_ERR; |
f1898235 | 594 | |
25a0f108 | 595 | sr_info("fx2lafw: Closing device %d on %d.%d interface %d.", |
dc9dbe94 BV |
596 | sdi->index, devc->usb->bus, devc->usb->address, USB_INTERFACE); |
597 | libusb_release_interface(devc->usb->devhdl, USB_INTERFACE); | |
598 | libusb_close(devc->usb->devhdl); | |
599 | devc->usb->devhdl = NULL; | |
25a0f108 | 600 | sdi->status = SR_ST_INACTIVE; |
f1898235 | 601 | |
f302a082 JH |
602 | return SR_OK; |
603 | } | |
604 | ||
605 | static int hw_cleanup(void) | |
606 | { | |
dc9dbe94 | 607 | struct drv_context *drvc; |
f69b47f0 | 608 | int ret; |
187b3582 | 609 | |
dc9dbe94 BV |
610 | if (!(drvc = fdi->priv)) |
611 | return SR_OK; | |
612 | ||
f69b47f0 | 613 | ret = clear_instances(); |
187b3582 | 614 | |
f5cfe894 | 615 | libusb_exit(NULL); |
dc9dbe94 BV |
616 | |
617 | g_free(drvc); | |
618 | fdi->priv = NULL; | |
187b3582 | 619 | |
62bc70e4 | 620 | return ret; |
f302a082 JH |
621 | } |
622 | ||
cbd798f4 | 623 | static int hw_info_get(int info_id, const void **data, |
6e9339aa | 624 | const struct sr_dev_inst *sdi) |
f302a082 | 625 | { |
dc9dbe94 | 626 | struct dev_context *devc; |
8b35f474 | 627 | |
cbd798f4 | 628 | switch (info_id) { |
a27999e6 BV |
629 | case SR_DI_HWCAPS: |
630 | *data = hwcaps; | |
631 | break; | |
8b35f474 | 632 | case SR_DI_NUM_PROBES: |
6e9339aa | 633 | if (sdi) { |
dc9dbe94 | 634 | devc = sdi->priv; |
6e9339aa | 635 | *data = GINT_TO_POINTER( |
dc9dbe94 | 636 | (devc->profile->dev_caps & DEV_CAPS_16BIT) ? |
6e9339aa BV |
637 | 16 : 8); |
638 | } else | |
639 | return SR_ERR; | |
640 | break; | |
8b35f474 | 641 | case SR_DI_PROBE_NAMES: |
6e9339aa BV |
642 | *data = probe_names; |
643 | break; | |
8b35f474 | 644 | case SR_DI_SAMPLERATES: |
6e9339aa BV |
645 | *data = &samplerates; |
646 | break; | |
8b35f474 | 647 | case SR_DI_TRIGGER_TYPES: |
6e9339aa BV |
648 | *data = TRIGGER_TYPES; |
649 | break; | |
e3186647 | 650 | case SR_DI_CUR_SAMPLERATE: |
6e9339aa | 651 | if (sdi) { |
dc9dbe94 BV |
652 | devc = sdi->priv; |
653 | *data = &devc->cur_samplerate; | |
6e9339aa BV |
654 | } else |
655 | return SR_ERR; | |
656 | break; | |
657 | default: | |
658 | return SR_ERR_ARG; | |
8b35f474 JH |
659 | } |
660 | ||
6e9339aa | 661 | return SR_OK; |
f302a082 JH |
662 | } |
663 | ||
6f4b1868 BV |
664 | static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, |
665 | const void *value) | |
f302a082 | 666 | { |
dc9dbe94 | 667 | struct dev_context *devc; |
7cb621d4 JH |
668 | int ret; |
669 | ||
dc9dbe94 | 670 | devc = sdi->priv; |
7cb621d4 | 671 | |
e3186647 | 672 | if (hwcap == SR_HWCAP_SAMPLERATE) { |
dc9dbe94 | 673 | devc->cur_samplerate = *(const uint64_t *)value; |
e3186647 | 674 | ret = SR_OK; |
e3186647 | 675 | } else if (hwcap == SR_HWCAP_LIMIT_SAMPLES) { |
dc9dbe94 | 676 | devc->limit_samples = *(const uint64_t *)value; |
7cb621d4 JH |
677 | ret = SR_OK; |
678 | } else { | |
679 | ret = SR_ERR; | |
680 | } | |
681 | ||
682 | return ret; | |
f302a082 JH |
683 | } |
684 | ||
1f9813eb | 685 | static int receive_data(int fd, int revents, void *cb_data) |
610dbb70 JH |
686 | { |
687 | struct timeval tv; | |
688 | ||
689 | /* Avoid compiler warnings. */ | |
690 | (void)fd; | |
691 | (void)revents; | |
1f9813eb | 692 | (void)cb_data; |
610dbb70 JH |
693 | |
694 | tv.tv_sec = tv.tv_usec = 0; | |
f5cfe894 | 695 | libusb_handle_events_timeout(NULL, &tv); |
610dbb70 JH |
696 | |
697 | return TRUE; | |
698 | } | |
699 | ||
dc9dbe94 | 700 | static void abort_acquisition(struct dev_context *devc) |
cb61e9f7 | 701 | { |
e7d087bf | 702 | int i; |
0caa1ef0 | 703 | |
dc9dbe94 | 704 | devc->num_samples = -1; |
0caa1ef0 | 705 | |
dc9dbe94 BV |
706 | for (i = devc->num_transfers - 1; i >= 0; i--) { |
707 | if (devc->transfers[i]) | |
708 | libusb_cancel_transfer(devc->transfers[i]); | |
0caa1ef0 | 709 | } |
cb61e9f7 JH |
710 | } |
711 | ||
dc9dbe94 | 712 | static void finish_acquisition(struct dev_context *devc) |
2e526f4a JH |
713 | { |
714 | struct sr_datafeed_packet packet; | |
cb61e9f7 | 715 | int i; |
2e526f4a | 716 | |
dc9dbe94 | 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 = | |
f5cfe894 | 724 | libusb_get_pollfds(NULL); |
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 | 949 | struct dev_context *devc; |
610dbb70 JH |
950 | struct libusb_transfer *transfer; |
951 | const struct libusb_pollfd **lupfd; | |
5af666a9 LPC |
952 | unsigned int i; |
953 | int ret; | |
610dbb70 JH |
954 | unsigned char *buf; |
955 | ||
dc9dbe94 BV |
956 | devc = sdi->priv; |
957 | if (devc->submitted_transfers != 0) | |
c03f0450 LPC |
958 | return SR_ERR; |
959 | ||
014359e3 BV |
960 | if (configure_probes(sdi) != SR_OK) { |
961 | sr_err("fx2lafw: failed to configured probes"); | |
962 | return SR_ERR; | |
963 | } | |
964 | ||
dc9dbe94 BV |
965 | devc->session_dev_id = cb_data; |
966 | devc->num_samples = 0; | |
967 | devc->empty_transfer_count = 0; | |
610dbb70 | 968 | |
dc9dbe94 BV |
969 | const unsigned int timeout = get_timeout(devc); |
970 | const unsigned int num_transfers = get_number_of_transfers(devc); | |
971 | const size_t size = get_buffer_size(devc); | |
5af666a9 | 972 | |
dc9dbe94 | 973 | devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers); |
886a52b6 UH |
974 | if (!devc->transfers) { |
975 | sr_err("fx2lafw: USB transfers malloc failed."); | |
976 | return SR_ERR_MALLOC; | |
977 | } | |
0caa1ef0 | 978 | |
dc9dbe94 | 979 | devc->num_transfers = num_transfers; |
0caa1ef0 | 980 | |
5af666a9 | 981 | for (i = 0; i < num_transfers; i++) { |
610dbb70 | 982 | if (!(buf = g_try_malloc(size))) { |
7ae2f9d5 | 983 | sr_err("fx2lafw: %s: buf malloc failed.", __func__); |
610dbb70 JH |
984 | return SR_ERR_MALLOC; |
985 | } | |
986 | transfer = libusb_alloc_transfer(0); | |
dc9dbe94 | 987 | libusb_fill_bulk_transfer(transfer, devc->usb->devhdl, |
610dbb70 | 988 | 2 | LIBUSB_ENDPOINT_IN, buf, size, |
dc9dbe94 | 989 | receive_transfer, devc, timeout); |
610dbb70 | 990 | if (libusb_submit_transfer(transfer) != 0) { |
610dbb70 JH |
991 | libusb_free_transfer(transfer); |
992 | g_free(buf); | |
dc9dbe94 | 993 | abort_acquisition(devc); |
610dbb70 JH |
994 | return SR_ERR; |
995 | } | |
dc9dbe94 BV |
996 | devc->transfers[i] = transfer; |
997 | devc->submitted_transfers++; | |
610dbb70 JH |
998 | } |
999 | ||
f5cfe894 | 1000 | lupfd = libusb_get_pollfds(NULL); |
610dbb70 JH |
1001 | for (i = 0; lupfd[i]; i++) |
1002 | sr_source_add(lupfd[i]->fd, lupfd[i]->events, | |
5af666a9 | 1003 | timeout, receive_data, NULL); |
610dbb70 JH |
1004 | free(lupfd); /* NOT g_free()! */ |
1005 | ||
bd47acab LPC |
1006 | packet.type = SR_DF_HEADER; |
1007 | packet.payload = &header; | |
1008 | header.feed_version = 1; | |
1009 | gettimeofday(&header.starttime, NULL); | |
1010 | sr_session_send(cb_data, &packet); | |
f366e86c BV |
1011 | |
1012 | /* Send metadata about the SR_DF_LOGIC packets to come. */ | |
bd47acab LPC |
1013 | packet.type = SR_DF_META_LOGIC; |
1014 | packet.payload = &meta; | |
dc9dbe94 BV |
1015 | meta.samplerate = devc->cur_samplerate; |
1016 | meta.num_probes = devc->sample_wide ? 16 : 8; | |
bd47acab | 1017 | sr_session_send(cb_data, &packet); |
610dbb70 | 1018 | |
dc9dbe94 BV |
1019 | if ((ret = command_start_acquisition (devc->usb->devhdl, |
1020 | devc->cur_samplerate, devc->sample_wide)) != SR_OK) { | |
1021 | abort_acquisition(devc); | |
ebc34738 | 1022 | return ret; |
017375d1 JH |
1023 | } |
1024 | ||
f302a082 JH |
1025 | return SR_OK; |
1026 | } | |
1027 | ||
3cd3a20b | 1028 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ |
69b07d14 | 1029 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
f302a082 | 1030 | { |
5da93902 | 1031 | |
f4a9e5c0 | 1032 | /* Avoid compiler warnings. */ |
2e526f4a | 1033 | (void)cb_data; |
5da93902 | 1034 | |
2e526f4a | 1035 | abort_acquisition(sdi->priv); |
5da93902 | 1036 | |
f302a082 JH |
1037 | return SR_OK; |
1038 | } | |
1039 | ||
c09f0b57 | 1040 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { |
f302a082 | 1041 | .name = "fx2lafw", |
2e7cb004 | 1042 | .longname = "fx2lafw (generic driver for FX2 based LAs)", |
f302a082 JH |
1043 | .api_version = 1, |
1044 | .init = hw_init, | |
1045 | .cleanup = hw_cleanup, | |
61136ea6 | 1046 | .scan = hw_scan, |
811deee4 BV |
1047 | .dev_list = hw_dev_list, |
1048 | .dev_clear = clear_instances, | |
f302a082 JH |
1049 | .dev_open = hw_dev_open, |
1050 | .dev_close = hw_dev_close, | |
6e9339aa | 1051 | .info_get = hw_info_get, |
f302a082 JH |
1052 | .dev_config_set = hw_dev_config_set, |
1053 | .dev_acquisition_start = hw_dev_acquisition_start, | |
1054 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
dc9dbe94 | 1055 | .priv = NULL, |
f302a082 | 1056 | }; |