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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; |
d4abb463 | 197 | struct drv_context *drvc = fdi->priv; |
13bf7ecc | 198 | struct version_info vi; |
ebc34738 | 199 | int ret, skip, i; |
1e94408a | 200 | uint8_t revid; |
43125c69 | 201 | |
dc9dbe94 | 202 | devc = sdi->priv; |
43125c69 JH |
203 | |
204 | if (sdi->status == SR_ST_ACTIVE) | |
205 | /* already in use */ | |
206 | return SR_ERR; | |
207 | ||
208 | skip = 0; | |
d4abb463 PS |
209 | const int device_count = libusb_get_device_list( |
210 | drvc->sr_ctx->libusb_ctx, &devlist); | |
6fbe5e60 JH |
211 | if (device_count < 0) { |
212 | sr_err("fx2lafw: Failed to retrieve device list (%d)", | |
213 | device_count); | |
214 | return SR_ERR; | |
215 | } | |
216 | ||
217 | for (i = 0; i < device_count; i++) { | |
ebc34738 | 218 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { |
7ae2f9d5 UH |
219 | sr_err("fx2lafw: Failed to get device descriptor: %d.", |
220 | ret); | |
43125c69 JH |
221 | continue; |
222 | } | |
223 | ||
dc9dbe94 BV |
224 | if (des.idVendor != devc->profile->vid |
225 | || des.idProduct != devc->profile->pid) | |
43125c69 JH |
226 | continue; |
227 | ||
228 | if (sdi->status == SR_ST_INITIALIZING) { | |
25a0f108 | 229 | if (skip != sdi->index) { |
43125c69 JH |
230 | /* Skip devices of this type that aren't the one we want. */ |
231 | skip += 1; | |
232 | continue; | |
233 | } | |
234 | } else if (sdi->status == SR_ST_INACTIVE) { | |
235 | /* | |
236 | * This device is fully enumerated, so we need to find | |
237 | * this device by vendor, product, bus and address. | |
238 | */ | |
dc9dbe94 BV |
239 | if (libusb_get_bus_number(devlist[i]) != devc->usb->bus |
240 | || libusb_get_device_address(devlist[i]) != devc->usb->address) | |
43125c69 JH |
241 | /* this is not the one */ |
242 | continue; | |
243 | } | |
244 | ||
dc9dbe94 BV |
245 | if (!(ret = libusb_open(devlist[i], &devc->usb->devhdl))) { |
246 | if (devc->usb->address == 0xff) | |
43125c69 JH |
247 | /* |
248 | * first time we touch this device after firmware upload, | |
249 | * so we don't know the address yet. | |
250 | */ | |
dc9dbe94 | 251 | devc->usb->address = libusb_get_device_address(devlist[i]); |
43125c69 | 252 | } else { |
7ae2f9d5 | 253 | sr_err("fx2lafw: Failed to open device: %d.", ret); |
13bf7ecc JH |
254 | break; |
255 | } | |
256 | ||
dc9dbe94 | 257 | ret = command_get_fw_version(devc->usb->devhdl, &vi); |
44dfd483 | 258 | if (ret != SR_OK) { |
13bf7ecc | 259 | sr_err("fx2lafw: Failed to retrieve " |
44dfd483 | 260 | "firmware version information."); |
13bf7ecc | 261 | break; |
43125c69 JH |
262 | } |
263 | ||
dc9dbe94 | 264 | ret = command_get_revid_version(devc->usb->devhdl, &revid); |
1e94408a UH |
265 | if (ret != SR_OK) { |
266 | sr_err("fx2lafw: Failed to retrieve REVID."); | |
267 | break; | |
268 | } | |
269 | ||
0a8c0c32 UH |
270 | /* |
271 | * Changes in major version mean incompatible/API changes, so | |
272 | * bail out if we encounter an incompatible version. | |
273 | * Different minor versions are OK, they should be compatible. | |
274 | */ | |
275 | if (vi.major != FX2LAFW_REQUIRED_VERSION_MAJOR) { | |
276 | sr_err("fx2lafw: Expected firmware version %d.x, " | |
277 | "got %d.%d.", FX2LAFW_REQUIRED_VERSION_MAJOR, | |
278 | vi.major, vi.minor); | |
13bf7ecc JH |
279 | break; |
280 | } | |
281 | ||
282 | sdi->status = SR_ST_ACTIVE; | |
283 | sr_info("fx2lafw: Opened device %d on %d.%d " | |
1e94408a | 284 | "interface %d, firmware %d.%d, REVID %d.", |
dc9dbe94 | 285 | sdi->index, devc->usb->bus, devc->usb->address, |
1e94408a | 286 | USB_INTERFACE, vi.major, vi.minor, revid); |
13bf7ecc | 287 | |
43125c69 JH |
288 | break; |
289 | } | |
290 | libusb_free_device_list(devlist, 1); | |
291 | ||
292 | if (sdi->status != SR_ST_ACTIVE) | |
293 | return SR_ERR; | |
294 | ||
295 | return SR_OK; | |
296 | } | |
297 | ||
014359e3 | 298 | static int configure_probes(const struct sr_dev_inst *sdi) |
6c6781b6 | 299 | { |
014359e3 | 300 | struct dev_context *devc; |
6c6781b6 JH |
301 | struct sr_probe *probe; |
302 | GSList *l; | |
303 | int probe_bit, stage, i; | |
304 | char *tc; | |
305 | ||
014359e3 | 306 | devc = sdi->priv; |
6c6781b6 | 307 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { |
dc9dbe94 BV |
308 | devc->trigger_mask[i] = 0; |
309 | devc->trigger_value[i] = 0; | |
6c6781b6 JH |
310 | } |
311 | ||
312 | stage = -1; | |
014359e3 | 313 | for (l = sdi->probes; l; l = l->next) { |
6c6781b6 JH |
314 | probe = (struct sr_probe *)l->data; |
315 | if (probe->enabled == FALSE) | |
316 | continue; | |
d1ddc7a9 | 317 | |
b35c8293 | 318 | if (probe->index > 7) |
dc9dbe94 | 319 | devc->sample_wide = TRUE; |
d1ddc7a9 | 320 | |
b35c8293 | 321 | probe_bit = 1 << (probe->index); |
6c6781b6 JH |
322 | if (!(probe->trigger)) |
323 | continue; | |
324 | ||
325 | stage = 0; | |
326 | for (tc = probe->trigger; *tc; tc++) { | |
dc9dbe94 | 327 | devc->trigger_mask[stage] |= probe_bit; |
6c6781b6 | 328 | if (*tc == '1') |
dc9dbe94 | 329 | devc->trigger_value[stage] |= probe_bit; |
6c6781b6 JH |
330 | stage++; |
331 | if (stage > NUM_TRIGGER_STAGES) | |
332 | return SR_ERR; | |
333 | } | |
334 | } | |
335 | ||
336 | if (stage == -1) | |
337 | /* | |
338 | * We didn't configure any triggers, make sure acquisition | |
339 | * doesn't wait for any. | |
340 | */ | |
dc9dbe94 | 341 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 | 342 | else |
dc9dbe94 | 343 | devc->trigger_stage = 0; |
6c6781b6 JH |
344 | |
345 | return SR_OK; | |
346 | } | |
347 | ||
dc9dbe94 | 348 | static struct dev_context *fx2lafw_dev_new(void) |
187b3582 | 349 | { |
dc9dbe94 | 350 | struct dev_context *devc; |
187b3582 | 351 | |
dc9dbe94 BV |
352 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { |
353 | sr_err("fx2lafw: %s: devc malloc failed.", __func__); | |
187b3582 JH |
354 | return NULL; |
355 | } | |
356 | ||
dc9dbe94 | 357 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 | 358 | |
dc9dbe94 | 359 | return devc; |
187b3582 | 360 | } |
f302a082 | 361 | |
f69b47f0 BV |
362 | static int clear_instances(void) |
363 | { | |
364 | GSList *l; | |
365 | struct sr_dev_inst *sdi; | |
dc9dbe94 BV |
366 | struct drv_context *drvc; |
367 | struct dev_context *devc; | |
f69b47f0 BV |
368 | int ret; |
369 | ||
dc9dbe94 | 370 | drvc = fdi->priv; |
f69b47f0 | 371 | ret = SR_OK; |
dc9dbe94 | 372 | for (l = drvc->instances; l; l = l->next) { |
f69b47f0 BV |
373 | if (!(sdi = l->data)) { |
374 | /* Log error, but continue cleaning up the rest. */ | |
375 | sr_err("fx2lafw: %s: sdi was NULL, continuing.", | |
376 | __func__); | |
377 | ret = SR_ERR_BUG; | |
378 | continue; | |
379 | } | |
dc9dbe94 | 380 | if (!(devc = sdi->priv)) { |
f69b47f0 BV |
381 | /* Log error, but continue cleaning up the rest. */ |
382 | sr_err("fx2lafw: %s: sdi->priv was NULL, continuing", | |
383 | __func__); | |
384 | ret = SR_ERR_BUG; | |
385 | continue; | |
386 | } | |
25a0f108 | 387 | hw_dev_close(sdi); |
fabe59b3 | 388 | sr_usb_dev_inst_free(devc->usb); |
f69b47f0 BV |
389 | sdi = l->data; |
390 | sr_dev_inst_free(sdi); | |
391 | } | |
392 | ||
dc9dbe94 BV |
393 | g_slist_free(drvc->instances); |
394 | drvc->instances = NULL; | |
f69b47f0 BV |
395 | |
396 | return ret; | |
397 | } | |
398 | ||
399 | ||
f302a082 JH |
400 | /* |
401 | * API callbacks | |
402 | */ | |
403 | ||
34f06b90 | 404 | static int hw_init(struct sr_context *sr_ctx) |
61136ea6 | 405 | { |
dc9dbe94 BV |
406 | struct drv_context *drvc; |
407 | ||
408 | if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) { | |
409 | sr_err("fx2lafw: driver context malloc failed."); | |
886a52b6 | 410 | return SR_ERR_MALLOC; |
dc9dbe94 | 411 | } |
61136ea6 | 412 | |
1ebe4b4e | 413 | drvc->sr_ctx = sr_ctx; |
dc9dbe94 BV |
414 | fdi->priv = drvc; |
415 | ||
61136ea6 BV |
416 | return SR_OK; |
417 | } | |
418 | ||
3a7a22cb | 419 | static GSList *hw_scan(GSList *options) |
f302a082 | 420 | { |
3a7a22cb | 421 | GSList *devices; |
187b3582 | 422 | struct libusb_device_descriptor des; |
3a7a22cb | 423 | struct sr_dev_inst *sdi; |
da686568 | 424 | const struct fx2lafw_profile *prof; |
dc9dbe94 BV |
425 | struct drv_context *drvc; |
426 | struct dev_context *devc; | |
3a7a22cb | 427 | struct sr_probe *probe; |
187b3582 | 428 | libusb_device **devlist; |
3a7a22cb BV |
429 | int devcnt, num_logic_probes, ret, i, j; |
430 | ||
3a7a22cb | 431 | (void)options; |
64d33dc2 | 432 | |
dc9dbe94 | 433 | drvc = fdi->priv; |
187b3582 | 434 | |
f69b47f0 BV |
435 | /* This scan always invalidates any previous scans. */ |
436 | clear_instances(); | |
437 | ||
921634ec | 438 | /* Find all fx2lafw compatible devices and upload firmware to them. */ |
3a7a22cb | 439 | devices = NULL; |
d4abb463 | 440 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
187b3582 JH |
441 | for (i = 0; devlist[i]; i++) { |
442 | ||
ebc34738 | 443 | if ((ret = libusb_get_device_descriptor( |
7ae2f9d5 UH |
444 | devlist[i], &des)) != 0) { |
445 | sr_warn("fx2lafw: Failed to get device descriptor: %d.", ret); | |
187b3582 JH |
446 | continue; |
447 | } | |
448 | ||
da686568 | 449 | prof = NULL; |
187b3582 JH |
450 | for (j = 0; supported_fx2[j].vid; j++) { |
451 | if (des.idVendor == supported_fx2[j].vid && | |
452 | des.idProduct == supported_fx2[j].pid) { | |
da686568 | 453 | prof = &supported_fx2[j]; |
187b3582 JH |
454 | } |
455 | } | |
456 | ||
457 | /* Skip if the device was not found */ | |
da686568 | 458 | if (!prof) |
187b3582 JH |
459 | continue; |
460 | ||
dc9dbe94 | 461 | devcnt = g_slist_length(drvc->instances); |
187b3582 | 462 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, |
da686568 | 463 | prof->vendor, prof->model, prof->model_version); |
f4a9e5c0 | 464 | if (!sdi) |
25a0f108 | 465 | return NULL; |
c5e82ca5 | 466 | sdi->driver = fdi; |
187b3582 | 467 | |
06717a8a BV |
468 | /* Fill in probelist according to this device's profile. */ |
469 | num_logic_probes = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8; | |
c5e82ca5 | 470 | for (j = 0; j < num_logic_probes; j++) { |
06717a8a BV |
471 | if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE, |
472 | probe_names[j]))) | |
25a0f108 | 473 | return NULL; |
06717a8a BV |
474 | sdi->probes = g_slist_append(sdi->probes, probe); |
475 | } | |
476 | ||
dc9dbe94 BV |
477 | devc = fx2lafw_dev_new(); |
478 | devc->profile = prof; | |
479 | sdi->priv = devc; | |
480 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
a8cc8e44 | 481 | devices = g_slist_append(devices, sdi); |
187b3582 | 482 | |
b1eeb67e JH |
483 | if (check_conf_profile(devlist[i])) { |
484 | /* Already has the firmware, so fix the new address. */ | |
7ae2f9d5 | 485 | sr_dbg("fx2lafw: Found an fx2lafw device."); |
b1eeb67e | 486 | sdi->status = SR_ST_INACTIVE; |
dc9dbe94 | 487 | devc->usb = sr_usb_dev_inst_new |
b1eeb67e JH |
488 | (libusb_get_bus_number(devlist[i]), |
489 | libusb_get_device_address(devlist[i]), NULL); | |
490 | } else { | |
f8b07fc6 | 491 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
da686568 | 492 | prof->firmware) == SR_OK) |
b1eeb67e | 493 | /* Remember when the firmware on this device was updated */ |
dc9dbe94 | 494 | devc->fw_updated = g_get_monotonic_time(); |
b1eeb67e | 495 | else |
7ae2f9d5 UH |
496 | sr_err("fx2lafw: Firmware upload failed for " |
497 | "device %d.", devcnt); | |
dc9dbe94 | 498 | devc->usb = sr_usb_dev_inst_new |
b1eeb67e JH |
499 | (libusb_get_bus_number(devlist[i]), 0xff, NULL); |
500 | } | |
187b3582 JH |
501 | } |
502 | libusb_free_device_list(devlist, 1); | |
503 | ||
3a7a22cb | 504 | return devices; |
f302a082 JH |
505 | } |
506 | ||
811deee4 BV |
507 | static GSList *hw_dev_list(void) |
508 | { | |
509 | struct drv_context *drvc; | |
510 | ||
511 | drvc = fdi->priv; | |
512 | ||
513 | return drvc->instances; | |
514 | } | |
515 | ||
25a0f108 | 516 | static int hw_dev_open(struct sr_dev_inst *sdi) |
f302a082 | 517 | { |
dc9dbe94 | 518 | struct dev_context *devc; |
e8bd58ff UH |
519 | int ret; |
520 | int64_t timediff_us, timediff_ms; | |
43125c69 | 521 | |
dc9dbe94 | 522 | devc = sdi->priv; |
43125c69 JH |
523 | |
524 | /* | |
f60fdf6e UH |
525 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
526 | * milliseconds for the FX2 to renumerate. | |
43125c69 | 527 | */ |
3b6c1930 | 528 | ret = SR_ERR; |
dc9dbe94 | 529 | if (devc->fw_updated > 0) { |
7ae2f9d5 | 530 | sr_info("fx2lafw: Waiting for device to reset."); |
43125c69 JH |
531 | /* takes at least 300ms for the FX2 to be gone from the USB bus */ |
532 | g_usleep(300 * 1000); | |
e8bd58ff | 533 | timediff_ms = 0; |
f60fdf6e | 534 | while (timediff_ms < MAX_RENUM_DELAY_MS) { |
25a0f108 | 535 | if ((ret = fx2lafw_dev_open(sdi)) == SR_OK) |
43125c69 JH |
536 | break; |
537 | g_usleep(100 * 1000); | |
e8bd58ff | 538 | |
dc9dbe94 | 539 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
3b6c1930 BV |
540 | timediff_ms = timediff_us / 1000; |
541 | sr_spew("fx2lafw: waited %" PRIi64 " ms", timediff_ms); | |
43125c69 | 542 | } |
e8bd58ff | 543 | sr_info("fx2lafw: Device came back after %d ms.", timediff_ms); |
43125c69 | 544 | } else { |
25a0f108 | 545 | ret = fx2lafw_dev_open(sdi); |
43125c69 JH |
546 | } |
547 | ||
ebc34738 | 548 | if (ret != SR_OK) { |
7ae2f9d5 | 549 | sr_err("fx2lafw: Unable to open device."); |
43125c69 JH |
550 | return SR_ERR; |
551 | } | |
dc9dbe94 | 552 | devc = sdi->priv; |
43125c69 | 553 | |
dc9dbe94 | 554 | ret = libusb_claim_interface(devc->usb->devhdl, USB_INTERFACE); |
ebc34738 | 555 | if (ret != 0) { |
0c156e06 JH |
556 | switch(ret) { |
557 | case LIBUSB_ERROR_BUSY: | |
558 | sr_err("fx2lafw: Unable to claim USB interface. Another " | |
559 | "program or driver has already claimed it."); | |
560 | break; | |
561 | ||
562 | case LIBUSB_ERROR_NO_DEVICE: | |
563 | sr_err("fx2lafw: Device has been disconnected."); | |
564 | break; | |
565 | ||
566 | default: | |
567 | sr_err("fx2lafw: Unable to claim interface: %d.", ret); | |
568 | break; | |
569 | } | |
570 | ||
43125c69 JH |
571 | return SR_ERR; |
572 | } | |
573 | ||
dc9dbe94 | 574 | if (devc->cur_samplerate == 0) { |
f92994fd | 575 | /* Samplerate hasn't been set; default to the slowest one. */ |
6f4b1868 | 576 | if (hw_dev_config_set(sdi, SR_HWCAP_SAMPLERATE, |
590b9f9a | 577 | &supported_samplerates[0]) == SR_ERR) |
f92994fd JH |
578 | return SR_ERR; |
579 | } | |
580 | ||
f302a082 JH |
581 | return SR_OK; |
582 | } | |
583 | ||
25a0f108 | 584 | static int hw_dev_close(struct sr_dev_inst *sdi) |
f302a082 | 585 | { |
dc9dbe94 | 586 | struct dev_context *devc; |
f1898235 | 587 | |
dc9dbe94 BV |
588 | devc = sdi->priv; |
589 | if (devc->usb->devhdl == NULL) | |
25a0f108 | 590 | return SR_ERR; |
f1898235 | 591 | |
25a0f108 | 592 | sr_info("fx2lafw: Closing device %d on %d.%d interface %d.", |
dc9dbe94 BV |
593 | sdi->index, devc->usb->bus, devc->usb->address, USB_INTERFACE); |
594 | libusb_release_interface(devc->usb->devhdl, USB_INTERFACE); | |
595 | libusb_close(devc->usb->devhdl); | |
596 | devc->usb->devhdl = NULL; | |
25a0f108 | 597 | sdi->status = SR_ST_INACTIVE; |
f1898235 | 598 | |
f302a082 JH |
599 | return SR_OK; |
600 | } | |
601 | ||
602 | static int hw_cleanup(void) | |
603 | { | |
dc9dbe94 | 604 | struct drv_context *drvc; |
f69b47f0 | 605 | int ret; |
187b3582 | 606 | |
dc9dbe94 BV |
607 | if (!(drvc = fdi->priv)) |
608 | return SR_OK; | |
609 | ||
f69b47f0 | 610 | ret = clear_instances(); |
187b3582 | 611 | |
dc9dbe94 BV |
612 | g_free(drvc); |
613 | fdi->priv = NULL; | |
187b3582 | 614 | |
62bc70e4 | 615 | return ret; |
f302a082 JH |
616 | } |
617 | ||
cbd798f4 | 618 | static int hw_info_get(int info_id, const void **data, |
6e9339aa | 619 | const struct sr_dev_inst *sdi) |
f302a082 | 620 | { |
dc9dbe94 | 621 | struct dev_context *devc; |
8b35f474 | 622 | |
cbd798f4 | 623 | switch (info_id) { |
a27999e6 BV |
624 | case SR_DI_HWCAPS: |
625 | *data = hwcaps; | |
626 | break; | |
8b35f474 | 627 | case SR_DI_NUM_PROBES: |
6e9339aa | 628 | if (sdi) { |
dc9dbe94 | 629 | devc = sdi->priv; |
6e9339aa | 630 | *data = GINT_TO_POINTER( |
dc9dbe94 | 631 | (devc->profile->dev_caps & DEV_CAPS_16BIT) ? |
6e9339aa BV |
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 | 646 | if (sdi) { |
dc9dbe94 BV |
647 | devc = sdi->priv; |
648 | *data = &devc->cur_samplerate; | |
6e9339aa BV |
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 | ||
6f4b1868 BV |
659 | static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, |
660 | const void *value) | |
f302a082 | 661 | { |
dc9dbe94 | 662 | struct dev_context *devc; |
7cb621d4 JH |
663 | int ret; |
664 | ||
dc9dbe94 | 665 | devc = sdi->priv; |
7cb621d4 | 666 | |
e3186647 | 667 | if (hwcap == SR_HWCAP_SAMPLERATE) { |
dc9dbe94 | 668 | devc->cur_samplerate = *(const uint64_t *)value; |
e3186647 | 669 | ret = SR_OK; |
e3186647 | 670 | } else if (hwcap == SR_HWCAP_LIMIT_SAMPLES) { |
dc9dbe94 | 671 | devc->limit_samples = *(const uint64_t *)value; |
7cb621d4 JH |
672 | ret = SR_OK; |
673 | } else { | |
674 | ret = SR_ERR; | |
675 | } | |
676 | ||
677 | return ret; | |
f302a082 JH |
678 | } |
679 | ||
1f9813eb | 680 | static int receive_data(int fd, int revents, void *cb_data) |
610dbb70 JH |
681 | { |
682 | struct timeval tv; | |
d4abb463 | 683 | struct drv_context *drvc = fdi->priv; |
610dbb70 | 684 | |
610dbb70 JH |
685 | (void)fd; |
686 | (void)revents; | |
1f9813eb | 687 | (void)cb_data; |
610dbb70 JH |
688 | |
689 | tv.tv_sec = tv.tv_usec = 0; | |
d4abb463 | 690 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
610dbb70 JH |
691 | |
692 | return TRUE; | |
693 | } | |
694 | ||
dc9dbe94 | 695 | static void abort_acquisition(struct dev_context *devc) |
cb61e9f7 | 696 | { |
e7d087bf | 697 | int i; |
0caa1ef0 | 698 | |
dc9dbe94 | 699 | devc->num_samples = -1; |
0caa1ef0 | 700 | |
dc9dbe94 BV |
701 | for (i = devc->num_transfers - 1; i >= 0; i--) { |
702 | if (devc->transfers[i]) | |
703 | libusb_cancel_transfer(devc->transfers[i]); | |
0caa1ef0 | 704 | } |
cb61e9f7 JH |
705 | } |
706 | ||
dc9dbe94 | 707 | static void finish_acquisition(struct dev_context *devc) |
2e526f4a JH |
708 | { |
709 | struct sr_datafeed_packet packet; | |
d4abb463 | 710 | struct drv_context *drvc = fdi->priv; |
cb61e9f7 | 711 | int i; |
2e526f4a | 712 | |
dc9dbe94 | 713 | |
cb61e9f7 | 714 | /* Terminate session */ |
2e526f4a | 715 | packet.type = SR_DF_END; |
dc9dbe94 | 716 | sr_session_send(devc->session_dev_id, &packet); |
2e526f4a | 717 | |
cb61e9f7 JH |
718 | /* Remove fds from polling */ |
719 | const struct libusb_pollfd **const lupfd = | |
d4abb463 | 720 | libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); |
cb61e9f7 JH |
721 | for (i = 0; lupfd[i]; i++) |
722 | sr_source_remove(lupfd[i]->fd); | |
723 | free(lupfd); /* NOT g_free()! */ | |
0caa1ef0 | 724 | |
dc9dbe94 BV |
725 | devc->num_transfers = 0; |
726 | g_free(devc->transfers); | |
2e526f4a JH |
727 | } |
728 | ||
f855de75 LPC |
729 | static void free_transfer(struct libusb_transfer *transfer) |
730 | { | |
dc9dbe94 | 731 | struct dev_context *devc = transfer->user_data; |
0caa1ef0 | 732 | unsigned int i; |
f855de75 LPC |
733 | |
734 | g_free(transfer->buffer); | |
735 | transfer->buffer = NULL; | |
736 | libusb_free_transfer(transfer); | |
737 | ||
dc9dbe94 BV |
738 | for (i = 0; i < devc->num_transfers; i++) { |
739 | if (devc->transfers[i] == transfer) { | |
740 | devc->transfers[i] = NULL; | |
0caa1ef0 LPC |
741 | break; |
742 | } | |
743 | } | |
744 | ||
dc9dbe94 BV |
745 | devc->submitted_transfers--; |
746 | if (devc->submitted_transfers == 0) | |
747 | finish_acquisition(devc); | |
f855de75 LPC |
748 | |
749 | } | |
750 | ||
17dff8a1 LPC |
751 | static void resubmit_transfer(struct libusb_transfer *transfer) |
752 | { | |
17dff8a1 LPC |
753 | if (libusb_submit_transfer(transfer) != 0) { |
754 | free_transfer(transfer); | |
755 | /* TODO: Stop session? */ | |
756 | /* TODO: Better error message. */ | |
757 | sr_err("fx2lafw: %s: libusb_submit_transfer error.", __func__); | |
758 | } | |
759 | } | |
760 | ||
610dbb70 JH |
761 | static void receive_transfer(struct libusb_transfer *transfer) |
762 | { | |
7ce737a7 | 763 | gboolean packet_has_error = FALSE; |
610dbb70 JH |
764 | struct sr_datafeed_packet packet; |
765 | struct sr_datafeed_logic logic; | |
dc9dbe94 | 766 | struct dev_context *devc = transfer->user_data; |
d1ddc7a9 | 767 | int trigger_offset, i; |
610dbb70 | 768 | |
610dbb70 JH |
769 | /* |
770 | * If acquisition has already ended, just free any queued up | |
771 | * transfer that come in. | |
772 | */ | |
dc9dbe94 | 773 | if (devc->num_samples == -1) { |
f855de75 | 774 | free_transfer(transfer); |
610dbb70 JH |
775 | return; |
776 | } | |
777 | ||
7ae2f9d5 | 778 | sr_info("fx2lafw: receive_transfer(): status %d received %d bytes.", |
610dbb70 JH |
779 | transfer->status, transfer->actual_length); |
780 | ||
781 | /* Save incoming transfer before reusing the transfer struct. */ | |
d1ddc7a9 | 782 | uint8_t *const cur_buf = transfer->buffer; |
dc9dbe94 | 783 | const int sample_width = devc->sample_wide ? 2 : 1; |
d1ddc7a9 | 784 | const int cur_sample_count = transfer->actual_length / sample_width; |
610dbb70 | 785 | |
7ce737a7 LPC |
786 | switch (transfer->status) { |
787 | case LIBUSB_TRANSFER_NO_DEVICE: | |
dc9dbe94 | 788 | abort_acquisition(devc); |
7ce737a7 LPC |
789 | free_transfer(transfer); |
790 | return; | |
791 | case LIBUSB_TRANSFER_COMPLETED: | |
792 | case LIBUSB_TRANSFER_TIMED_OUT: /* We may have received some data though */ | |
793 | break; | |
794 | default: | |
795 | packet_has_error = TRUE; | |
796 | break; | |
797 | } | |
798 | ||
799 | if (transfer->actual_length == 0 || packet_has_error) { | |
dc9dbe94 BV |
800 | devc->empty_transfer_count++; |
801 | if (devc->empty_transfer_count > MAX_EMPTY_TRANSFERS) { | |
610dbb70 JH |
802 | /* |
803 | * The FX2 gave up. End the acquisition, the frontend | |
804 | * will work out that the samplecount is short. | |
805 | */ | |
dc9dbe94 | 806 | abort_acquisition(devc); |
17dff8a1 LPC |
807 | free_transfer(transfer); |
808 | } else { | |
809 | resubmit_transfer(transfer); | |
610dbb70 JH |
810 | } |
811 | return; | |
812 | } else { | |
dc9dbe94 | 813 | devc->empty_transfer_count = 0; |
610dbb70 JH |
814 | } |
815 | ||
6c6781b6 | 816 | trigger_offset = 0; |
dc9dbe94 | 817 | if (devc->trigger_stage >= 0) { |
d1ddc7a9 JH |
818 | for (i = 0; i < cur_sample_count; i++) { |
819 | ||
dc9dbe94 | 820 | const uint16_t cur_sample = devc->sample_wide ? |
d1ddc7a9 JH |
821 | *((const uint16_t*)cur_buf + i) : |
822 | *((const uint8_t*)cur_buf + i); | |
6c6781b6 | 823 | |
dc9dbe94 BV |
824 | if ((cur_sample & devc->trigger_mask[devc->trigger_stage]) == |
825 | devc->trigger_value[devc->trigger_stage]) { | |
6c6781b6 | 826 | /* Match on this trigger stage. */ |
dc9dbe94 BV |
827 | devc->trigger_buffer[devc->trigger_stage] = cur_sample; |
828 | devc->trigger_stage++; | |
6c6781b6 | 829 | |
dc9dbe94 BV |
830 | if (devc->trigger_stage == NUM_TRIGGER_STAGES || |
831 | devc->trigger_mask[devc->trigger_stage] == 0) { | |
6c6781b6 JH |
832 | /* Match on all trigger stages, we're done. */ |
833 | trigger_offset = i + 1; | |
834 | ||
835 | /* | |
836 | * TODO: Send pre-trigger buffer to session bus. | |
837 | * Tell the frontend we hit the trigger here. | |
838 | */ | |
839 | packet.type = SR_DF_TRIGGER; | |
840 | packet.payload = NULL; | |
dc9dbe94 | 841 | sr_session_send(devc->session_dev_id, &packet); |
6c6781b6 JH |
842 | |
843 | /* | |
844 | * Send the samples that triggered it, since we're | |
845 | * skipping past them. | |
846 | */ | |
847 | packet.type = SR_DF_LOGIC; | |
848 | packet.payload = &logic; | |
dc9dbe94 BV |
849 | logic.unitsize = sizeof(*devc->trigger_buffer); |
850 | logic.length = devc->trigger_stage * logic.unitsize; | |
851 | logic.data = devc->trigger_buffer; | |
852 | sr_session_send(devc->session_dev_id, &packet); | |
6c6781b6 | 853 | |
dc9dbe94 | 854 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 JH |
855 | break; |
856 | } | |
dc9dbe94 | 857 | } else if (devc->trigger_stage > 0) { |
f3ab43a8 LPC |
858 | /* |
859 | * We had a match before, but not in the next sample. However, we may | |
860 | * have a match on this stage in the next bit -- trigger on 0001 will | |
861 | * fail on seeing 00001, so we need to go back to stage 0 -- but at | |
862 | * the next sample from the one that matched originally, which the | |
863 | * counter increment at the end of the loop takes care of. | |
864 | */ | |
dc9dbe94 | 865 | i -= devc->trigger_stage; |
6c6781b6 JH |
866 | if (i < -1) |
867 | i = -1; /* Oops, went back past this buffer. */ | |
868 | /* Reset trigger stage. */ | |
dc9dbe94 | 869 | devc->trigger_stage = 0; |
6c6781b6 JH |
870 | } |
871 | } | |
872 | } | |
610dbb70 | 873 | |
dc9dbe94 | 874 | if (devc->trigger_stage == TRIGGER_FIRED) { |
6c6781b6 | 875 | /* Send the incoming transfer to the session bus. */ |
0a88ec3d | 876 | const int trigger_offset_bytes = trigger_offset * sample_width; |
6c6781b6 JH |
877 | packet.type = SR_DF_LOGIC; |
878 | packet.payload = &logic; | |
d1ddc7a9 JH |
879 | logic.length = transfer->actual_length - trigger_offset_bytes; |
880 | logic.unitsize = sample_width; | |
881 | logic.data = cur_buf + trigger_offset_bytes; | |
dc9dbe94 | 882 | sr_session_send(devc->session_dev_id, &packet); |
6c6781b6 | 883 | |
dc9dbe94 BV |
884 | devc->num_samples += cur_sample_count; |
885 | if (devc->limit_samples && | |
886 | (unsigned int)devc->num_samples > devc->limit_samples) { | |
887 | abort_acquisition(devc); | |
0caa1ef0 LPC |
888 | free_transfer(transfer); |
889 | return; | |
6c6781b6 JH |
890 | } |
891 | } else { | |
892 | /* | |
893 | * TODO: Buffer pre-trigger data in capture | |
894 | * ratio-sized buffer. | |
895 | */ | |
610dbb70 | 896 | } |
17dff8a1 LPC |
897 | |
898 | resubmit_transfer(transfer); | |
610dbb70 JH |
899 | } |
900 | ||
5af666a9 LPC |
901 | static unsigned int to_bytes_per_ms(unsigned int samplerate) |
902 | { | |
903 | return samplerate / 1000; | |
904 | } | |
905 | ||
dc9dbe94 | 906 | static size_t get_buffer_size(struct dev_context *devc) |
5af666a9 LPC |
907 | { |
908 | size_t s; | |
909 | ||
910 | /* The buffer should be large enough to hold 10ms of data and a multiple | |
911 | * of 512. */ | |
dc9dbe94 | 912 | s = 10 * to_bytes_per_ms(devc->cur_samplerate); |
5af666a9 LPC |
913 | return (s + 511) & ~511; |
914 | } | |
915 | ||
dc9dbe94 | 916 | static unsigned int get_number_of_transfers(struct dev_context *devc) |
5af666a9 LPC |
917 | { |
918 | unsigned int n; | |
919 | ||
920 | /* Total buffer size should be able to hold about 500ms of data */ | |
dc9dbe94 | 921 | n = 500 * to_bytes_per_ms(devc->cur_samplerate) / get_buffer_size(devc); |
5af666a9 LPC |
922 | |
923 | if (n > NUM_SIMUL_TRANSFERS) | |
924 | return NUM_SIMUL_TRANSFERS; | |
925 | ||
926 | return n; | |
927 | } | |
928 | ||
dc9dbe94 | 929 | static unsigned int get_timeout(struct dev_context *devc) |
5af666a9 LPC |
930 | { |
931 | size_t total_size; | |
932 | unsigned int timeout; | |
933 | ||
dc9dbe94 BV |
934 | total_size = get_buffer_size(devc) * get_number_of_transfers(devc); |
935 | timeout = total_size / to_bytes_per_ms(devc->cur_samplerate); | |
5af666a9 LPC |
936 | return timeout + timeout / 4; /* Leave a headroom of 25% percent */ |
937 | } | |
938 | ||
3ffb6964 BV |
939 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
940 | void *cb_data) | |
f302a082 | 941 | { |
bd47acab LPC |
942 | struct sr_datafeed_packet packet; |
943 | struct sr_datafeed_header header; | |
f366e86c | 944 | struct sr_datafeed_meta_logic meta; |
dc9dbe94 | 945 | struct dev_context *devc; |
d4abb463 | 946 | struct drv_context *drvc = fdi->priv; |
610dbb70 JH |
947 | struct libusb_transfer *transfer; |
948 | const struct libusb_pollfd **lupfd; | |
5af666a9 LPC |
949 | unsigned int i; |
950 | int ret; | |
610dbb70 JH |
951 | unsigned char *buf; |
952 | ||
dc9dbe94 BV |
953 | devc = sdi->priv; |
954 | if (devc->submitted_transfers != 0) | |
c03f0450 LPC |
955 | return SR_ERR; |
956 | ||
014359e3 BV |
957 | if (configure_probes(sdi) != SR_OK) { |
958 | sr_err("fx2lafw: failed to configured probes"); | |
959 | return SR_ERR; | |
960 | } | |
961 | ||
dc9dbe94 BV |
962 | devc->session_dev_id = cb_data; |
963 | devc->num_samples = 0; | |
964 | devc->empty_transfer_count = 0; | |
610dbb70 | 965 | |
dc9dbe94 BV |
966 | const unsigned int timeout = get_timeout(devc); |
967 | const unsigned int num_transfers = get_number_of_transfers(devc); | |
968 | const size_t size = get_buffer_size(devc); | |
5af666a9 | 969 | |
dc9dbe94 | 970 | devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers); |
886a52b6 UH |
971 | if (!devc->transfers) { |
972 | sr_err("fx2lafw: USB transfers malloc failed."); | |
973 | return SR_ERR_MALLOC; | |
974 | } | |
0caa1ef0 | 975 | |
dc9dbe94 | 976 | devc->num_transfers = num_transfers; |
0caa1ef0 | 977 | |
5af666a9 | 978 | for (i = 0; i < num_transfers; i++) { |
610dbb70 | 979 | if (!(buf = g_try_malloc(size))) { |
7ae2f9d5 | 980 | sr_err("fx2lafw: %s: buf malloc failed.", __func__); |
610dbb70 JH |
981 | return SR_ERR_MALLOC; |
982 | } | |
983 | transfer = libusb_alloc_transfer(0); | |
dc9dbe94 | 984 | libusb_fill_bulk_transfer(transfer, devc->usb->devhdl, |
610dbb70 | 985 | 2 | LIBUSB_ENDPOINT_IN, buf, size, |
dc9dbe94 | 986 | receive_transfer, devc, timeout); |
610dbb70 | 987 | if (libusb_submit_transfer(transfer) != 0) { |
610dbb70 JH |
988 | libusb_free_transfer(transfer); |
989 | g_free(buf); | |
dc9dbe94 | 990 | abort_acquisition(devc); |
610dbb70 JH |
991 | return SR_ERR; |
992 | } | |
dc9dbe94 BV |
993 | devc->transfers[i] = transfer; |
994 | devc->submitted_transfers++; | |
610dbb70 JH |
995 | } |
996 | ||
d4abb463 | 997 | lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); |
610dbb70 JH |
998 | for (i = 0; lupfd[i]; i++) |
999 | sr_source_add(lupfd[i]->fd, lupfd[i]->events, | |
5af666a9 | 1000 | timeout, receive_data, NULL); |
610dbb70 JH |
1001 | free(lupfd); /* NOT g_free()! */ |
1002 | ||
bd47acab LPC |
1003 | packet.type = SR_DF_HEADER; |
1004 | packet.payload = &header; | |
1005 | header.feed_version = 1; | |
1006 | gettimeofday(&header.starttime, NULL); | |
1007 | sr_session_send(cb_data, &packet); | |
f366e86c BV |
1008 | |
1009 | /* Send metadata about the SR_DF_LOGIC packets to come. */ | |
bd47acab LPC |
1010 | packet.type = SR_DF_META_LOGIC; |
1011 | packet.payload = &meta; | |
dc9dbe94 BV |
1012 | meta.samplerate = devc->cur_samplerate; |
1013 | meta.num_probes = devc->sample_wide ? 16 : 8; | |
bd47acab | 1014 | sr_session_send(cb_data, &packet); |
610dbb70 | 1015 | |
dc9dbe94 BV |
1016 | if ((ret = command_start_acquisition (devc->usb->devhdl, |
1017 | devc->cur_samplerate, devc->sample_wide)) != SR_OK) { | |
1018 | abort_acquisition(devc); | |
ebc34738 | 1019 | return ret; |
017375d1 JH |
1020 | } |
1021 | ||
f302a082 JH |
1022 | return SR_OK; |
1023 | } | |
1024 | ||
3cd3a20b | 1025 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ |
69b07d14 | 1026 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
f302a082 | 1027 | { |
2e526f4a | 1028 | (void)cb_data; |
5da93902 | 1029 | |
2e526f4a | 1030 | abort_acquisition(sdi->priv); |
5da93902 | 1031 | |
f302a082 JH |
1032 | return SR_OK; |
1033 | } | |
1034 | ||
c09f0b57 | 1035 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { |
f302a082 | 1036 | .name = "fx2lafw", |
2e7cb004 | 1037 | .longname = "fx2lafw (generic driver for FX2 based LAs)", |
f302a082 JH |
1038 | .api_version = 1, |
1039 | .init = hw_init, | |
1040 | .cleanup = hw_cleanup, | |
61136ea6 | 1041 | .scan = hw_scan, |
811deee4 BV |
1042 | .dev_list = hw_dev_list, |
1043 | .dev_clear = clear_instances, | |
f302a082 JH |
1044 | .dev_open = hw_dev_open, |
1045 | .dev_close = hw_dev_close, | |
6e9339aa | 1046 | .info_get = hw_info_get, |
f302a082 JH |
1047 | .dev_config_set = hw_dev_config_set, |
1048 | .dev_acquisition_start = hw_dev_acquisition_start, | |
1049 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
dc9dbe94 | 1050 | .priv = NULL, |
f302a082 | 1051 | }; |