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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[] = { |
b36e7153 | 95 | "0", "1", "2", "3", "4", "5", "6", "7", |
78693401 UH |
96 | "8", "9", "10", "11", "12", "13", "14", "15", |
97 | NULL, | |
8b35f474 JH |
98 | }; |
99 | ||
a533743d | 100 | static const uint64_t supported_samplerates[] = { |
79dc6498 JH |
101 | SR_KHZ(20), |
102 | SR_KHZ(25), | |
897c1a2e JH |
103 | SR_KHZ(50), |
104 | SR_KHZ(100), | |
9304d576 JH |
105 | SR_KHZ(200), |
106 | SR_KHZ(250), | |
107 | SR_KHZ(500), | |
8b35f474 JH |
108 | SR_MHZ(1), |
109 | SR_MHZ(2), | |
110 | SR_MHZ(3), | |
111 | SR_MHZ(4), | |
112 | SR_MHZ(6), | |
113 | SR_MHZ(8), | |
114 | SR_MHZ(12), | |
115 | SR_MHZ(16), | |
772a0e61 | 116 | SR_MHZ(24), |
934cde02 | 117 | 0, |
8b35f474 JH |
118 | }; |
119 | ||
a533743d | 120 | static const struct sr_samplerates samplerates = { |
590b9f9a UH |
121 | 0, |
122 | 0, | |
123 | 0, | |
124 | supported_samplerates, | |
8b35f474 JH |
125 | }; |
126 | ||
a8cc8e44 | 127 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info; |
a873c594 | 128 | static struct sr_dev_driver *di = &fx2lafw_driver_info; |
25a0f108 | 129 | static int hw_dev_close(struct sr_dev_inst *sdi); |
6f4b1868 BV |
130 | static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, |
131 | const void *value); | |
69b07d14 | 132 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data); |
610dbb70 | 133 | |
b1eeb67e JH |
134 | /** |
135 | * Check the USB configuration to determine if this is an fx2lafw device. | |
136 | * | |
f9a69557 UH |
137 | * @return TRUE if the device's configuration profile match fx2lafw |
138 | * configuration, FALSE otherwise. | |
b1eeb67e | 139 | */ |
f9a69557 | 140 | static gboolean check_conf_profile(libusb_device *dev) |
b1eeb67e JH |
141 | { |
142 | struct libusb_device_descriptor des; | |
6b73d9a5 BV |
143 | struct libusb_device_handle *hdl; |
144 | gboolean ret; | |
145 | unsigned char strdesc[64]; | |
b1eeb67e | 146 | |
6b73d9a5 BV |
147 | hdl = NULL; |
148 | ret = FALSE; | |
b1eeb67e | 149 | while (!ret) { |
da686568 | 150 | /* Assume the FW has not been loaded, unless proven wrong. */ |
b1eeb67e JH |
151 | if (libusb_get_device_descriptor(dev, &des) != 0) |
152 | break; | |
153 | ||
6b73d9a5 | 154 | if (libusb_open(dev, &hdl) != 0) |
b1eeb67e JH |
155 | break; |
156 | ||
6b73d9a5 | 157 | if (libusb_get_string_descriptor_ascii(hdl, |
b99457f0 | 158 | des.iManufacturer, strdesc, sizeof(strdesc)) < 0) |
b1eeb67e | 159 | break; |
6b73d9a5 | 160 | if (strncmp((const char *)strdesc, "sigrok", 6)) |
b1eeb67e JH |
161 | break; |
162 | ||
6b73d9a5 BV |
163 | if (libusb_get_string_descriptor_ascii(hdl, |
164 | des.iProduct, strdesc, sizeof(strdesc)) < 0) | |
b1eeb67e | 165 | break; |
6b73d9a5 | 166 | if (strncmp((const char *)strdesc, "fx2lafw", 7)) |
b1eeb67e JH |
167 | break; |
168 | ||
b1eeb67e | 169 | /* If we made it here, it must be an fx2lafw. */ |
f9a69557 | 170 | ret = TRUE; |
b1eeb67e | 171 | } |
6b73d9a5 BV |
172 | if (hdl) |
173 | libusb_close(hdl); | |
b1eeb67e JH |
174 | |
175 | return ret; | |
176 | } | |
177 | ||
25a0f108 | 178 | static int fx2lafw_dev_open(struct sr_dev_inst *sdi) |
43125c69 JH |
179 | { |
180 | libusb_device **devlist; | |
181 | struct libusb_device_descriptor des; | |
dc9dbe94 | 182 | struct dev_context *devc; |
b99457f0 | 183 | struct drv_context *drvc; |
13bf7ecc | 184 | struct version_info vi; |
b99457f0 | 185 | int ret, skip, i, device_count; |
1e94408a | 186 | uint8_t revid; |
43125c69 | 187 | |
b99457f0 | 188 | drvc = di->priv; |
dc9dbe94 | 189 | devc = sdi->priv; |
43125c69 JH |
190 | |
191 | if (sdi->status == SR_ST_ACTIVE) | |
b99457f0 | 192 | /* Device is already in use. */ |
43125c69 JH |
193 | return SR_ERR; |
194 | ||
195 | skip = 0; | |
b99457f0 | 196 | device_count = libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
6fbe5e60 | 197 | if (device_count < 0) { |
b99457f0 UH |
198 | sr_err("Failed to get device list: %s.", |
199 | libusb_error_name(device_count)); | |
6fbe5e60 JH |
200 | return SR_ERR; |
201 | } | |
202 | ||
203 | for (i = 0; i < device_count; i++) { | |
ebc34738 | 204 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { |
f427daef | 205 | sr_err("Failed to get device descriptor: %s.", |
d4928d71 | 206 | libusb_error_name(ret)); |
43125c69 JH |
207 | continue; |
208 | } | |
209 | ||
dc9dbe94 BV |
210 | if (des.idVendor != devc->profile->vid |
211 | || des.idProduct != devc->profile->pid) | |
43125c69 JH |
212 | continue; |
213 | ||
214 | if (sdi->status == SR_ST_INITIALIZING) { | |
25a0f108 | 215 | if (skip != sdi->index) { |
43125c69 JH |
216 | /* Skip devices of this type that aren't the one we want. */ |
217 | skip += 1; | |
218 | continue; | |
219 | } | |
220 | } else if (sdi->status == SR_ST_INACTIVE) { | |
221 | /* | |
222 | * This device is fully enumerated, so we need to find | |
223 | * this device by vendor, product, bus and address. | |
224 | */ | |
dc9dbe94 BV |
225 | if (libusb_get_bus_number(devlist[i]) != devc->usb->bus |
226 | || libusb_get_device_address(devlist[i]) != devc->usb->address) | |
b99457f0 | 227 | /* This is not the one. */ |
43125c69 JH |
228 | continue; |
229 | } | |
230 | ||
dc9dbe94 BV |
231 | if (!(ret = libusb_open(devlist[i], &devc->usb->devhdl))) { |
232 | if (devc->usb->address == 0xff) | |
43125c69 | 233 | /* |
b99457f0 UH |
234 | * First time we touch this device after FW |
235 | * upload, so we don't know the address yet. | |
43125c69 | 236 | */ |
dc9dbe94 | 237 | devc->usb->address = libusb_get_device_address(devlist[i]); |
43125c69 | 238 | } else { |
f427daef | 239 | sr_err("Failed to open device: %s.", |
d4928d71 | 240 | libusb_error_name(ret)); |
13bf7ecc JH |
241 | break; |
242 | } | |
243 | ||
dc9dbe94 | 244 | ret = command_get_fw_version(devc->usb->devhdl, &vi); |
44dfd483 | 245 | if (ret != SR_OK) { |
b99457f0 | 246 | sr_err("Failed to get firmware version."); |
13bf7ecc | 247 | break; |
43125c69 JH |
248 | } |
249 | ||
dc9dbe94 | 250 | ret = command_get_revid_version(devc->usb->devhdl, &revid); |
1e94408a | 251 | if (ret != SR_OK) { |
b99457f0 | 252 | sr_err("Failed to get REVID."); |
1e94408a UH |
253 | break; |
254 | } | |
255 | ||
0a8c0c32 UH |
256 | /* |
257 | * Changes in major version mean incompatible/API changes, so | |
258 | * bail out if we encounter an incompatible version. | |
259 | * Different minor versions are OK, they should be compatible. | |
260 | */ | |
261 | if (vi.major != FX2LAFW_REQUIRED_VERSION_MAJOR) { | |
f427daef | 262 | sr_err("Expected firmware version %d.x, " |
0a8c0c32 UH |
263 | "got %d.%d.", FX2LAFW_REQUIRED_VERSION_MAJOR, |
264 | vi.major, vi.minor); | |
13bf7ecc JH |
265 | break; |
266 | } | |
267 | ||
268 | sdi->status = SR_ST_ACTIVE; | |
b99457f0 | 269 | sr_info("Opened device %d on %d.%d, " |
1e94408a | 270 | "interface %d, firmware %d.%d, REVID %d.", |
dc9dbe94 | 271 | sdi->index, devc->usb->bus, devc->usb->address, |
1e94408a | 272 | USB_INTERFACE, vi.major, vi.minor, revid); |
13bf7ecc | 273 | |
43125c69 JH |
274 | break; |
275 | } | |
276 | libusb_free_device_list(devlist, 1); | |
277 | ||
278 | if (sdi->status != SR_ST_ACTIVE) | |
279 | return SR_ERR; | |
280 | ||
281 | return SR_OK; | |
282 | } | |
283 | ||
014359e3 | 284 | static int configure_probes(const struct sr_dev_inst *sdi) |
6c6781b6 | 285 | { |
014359e3 | 286 | struct dev_context *devc; |
6c6781b6 JH |
287 | struct sr_probe *probe; |
288 | GSList *l; | |
289 | int probe_bit, stage, i; | |
290 | char *tc; | |
291 | ||
014359e3 | 292 | devc = sdi->priv; |
6c6781b6 | 293 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { |
dc9dbe94 BV |
294 | devc->trigger_mask[i] = 0; |
295 | devc->trigger_value[i] = 0; | |
6c6781b6 JH |
296 | } |
297 | ||
298 | stage = -1; | |
014359e3 | 299 | for (l = sdi->probes; l; l = l->next) { |
6c6781b6 JH |
300 | probe = (struct sr_probe *)l->data; |
301 | if (probe->enabled == FALSE) | |
302 | continue; | |
d1ddc7a9 | 303 | |
b35c8293 | 304 | if (probe->index > 7) |
dc9dbe94 | 305 | devc->sample_wide = TRUE; |
d1ddc7a9 | 306 | |
b35c8293 | 307 | probe_bit = 1 << (probe->index); |
6c6781b6 JH |
308 | if (!(probe->trigger)) |
309 | continue; | |
310 | ||
311 | stage = 0; | |
312 | for (tc = probe->trigger; *tc; tc++) { | |
dc9dbe94 | 313 | devc->trigger_mask[stage] |= probe_bit; |
6c6781b6 | 314 | if (*tc == '1') |
dc9dbe94 | 315 | devc->trigger_value[stage] |= probe_bit; |
6c6781b6 JH |
316 | stage++; |
317 | if (stage > NUM_TRIGGER_STAGES) | |
318 | return SR_ERR; | |
319 | } | |
320 | } | |
321 | ||
322 | if (stage == -1) | |
323 | /* | |
324 | * We didn't configure any triggers, make sure acquisition | |
325 | * doesn't wait for any. | |
326 | */ | |
dc9dbe94 | 327 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 | 328 | else |
dc9dbe94 | 329 | devc->trigger_stage = 0; |
6c6781b6 JH |
330 | |
331 | return SR_OK; | |
332 | } | |
333 | ||
dc9dbe94 | 334 | static struct dev_context *fx2lafw_dev_new(void) |
187b3582 | 335 | { |
dc9dbe94 | 336 | struct dev_context *devc; |
187b3582 | 337 | |
dc9dbe94 | 338 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { |
b99457f0 | 339 | sr_err("Device context malloc failed."); |
187b3582 JH |
340 | return NULL; |
341 | } | |
342 | ||
dc9dbe94 | 343 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 | 344 | |
dc9dbe94 | 345 | return devc; |
187b3582 | 346 | } |
f302a082 | 347 | |
f69b47f0 BV |
348 | static int clear_instances(void) |
349 | { | |
350 | GSList *l; | |
351 | struct sr_dev_inst *sdi; | |
dc9dbe94 BV |
352 | struct drv_context *drvc; |
353 | struct dev_context *devc; | |
f69b47f0 BV |
354 | int ret; |
355 | ||
a873c594 | 356 | drvc = di->priv; |
f69b47f0 | 357 | ret = SR_OK; |
dc9dbe94 | 358 | for (l = drvc->instances; l; l = l->next) { |
f69b47f0 BV |
359 | if (!(sdi = l->data)) { |
360 | /* Log error, but continue cleaning up the rest. */ | |
b99457f0 | 361 | sr_err("sdi was NULL, continuing."); |
f69b47f0 BV |
362 | ret = SR_ERR_BUG; |
363 | continue; | |
364 | } | |
dc9dbe94 | 365 | if (!(devc = sdi->priv)) { |
f69b47f0 | 366 | /* Log error, but continue cleaning up the rest. */ |
b99457f0 | 367 | sr_err("sdi->priv was NULL, continuing."); |
f69b47f0 BV |
368 | ret = SR_ERR_BUG; |
369 | continue; | |
370 | } | |
25a0f108 | 371 | hw_dev_close(sdi); |
fabe59b3 | 372 | sr_usb_dev_inst_free(devc->usb); |
f69b47f0 BV |
373 | sdi = l->data; |
374 | sr_dev_inst_free(sdi); | |
375 | } | |
376 | ||
dc9dbe94 BV |
377 | g_slist_free(drvc->instances); |
378 | drvc->instances = NULL; | |
f69b47f0 BV |
379 | |
380 | return ret; | |
381 | } | |
382 | ||
34f06b90 | 383 | static int hw_init(struct sr_context *sr_ctx) |
61136ea6 | 384 | { |
dc9dbe94 BV |
385 | struct drv_context *drvc; |
386 | ||
387 | if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) { | |
f427daef | 388 | sr_err("Driver context malloc failed."); |
886a52b6 | 389 | return SR_ERR_MALLOC; |
dc9dbe94 | 390 | } |
61136ea6 | 391 | |
1ebe4b4e | 392 | drvc->sr_ctx = sr_ctx; |
a873c594 | 393 | di->priv = drvc; |
dc9dbe94 | 394 | |
61136ea6 BV |
395 | return SR_OK; |
396 | } | |
397 | ||
3a7a22cb | 398 | static GSList *hw_scan(GSList *options) |
f302a082 | 399 | { |
3a7a22cb | 400 | GSList *devices; |
187b3582 | 401 | struct libusb_device_descriptor des; |
3a7a22cb | 402 | struct sr_dev_inst *sdi; |
da686568 | 403 | const struct fx2lafw_profile *prof; |
dc9dbe94 BV |
404 | struct drv_context *drvc; |
405 | struct dev_context *devc; | |
3a7a22cb | 406 | struct sr_probe *probe; |
187b3582 | 407 | libusb_device **devlist; |
3a7a22cb BV |
408 | int devcnt, num_logic_probes, ret, i, j; |
409 | ||
3a7a22cb | 410 | (void)options; |
64d33dc2 | 411 | |
a873c594 | 412 | drvc = di->priv; |
187b3582 | 413 | |
f69b47f0 BV |
414 | /* This scan always invalidates any previous scans. */ |
415 | clear_instances(); | |
416 | ||
921634ec | 417 | /* Find all fx2lafw compatible devices and upload firmware to them. */ |
3a7a22cb | 418 | devices = NULL; |
d4abb463 | 419 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
187b3582 JH |
420 | for (i = 0; devlist[i]; i++) { |
421 | ||
ebc34738 | 422 | if ((ret = libusb_get_device_descriptor( |
7ae2f9d5 | 423 | devlist[i], &des)) != 0) { |
f427daef | 424 | sr_warn("Failed to get device descriptor: %s.", |
d4928d71 | 425 | libusb_error_name(ret)); |
187b3582 JH |
426 | continue; |
427 | } | |
428 | ||
da686568 | 429 | prof = NULL; |
187b3582 JH |
430 | for (j = 0; supported_fx2[j].vid; j++) { |
431 | if (des.idVendor == supported_fx2[j].vid && | |
432 | des.idProduct == supported_fx2[j].pid) { | |
da686568 | 433 | prof = &supported_fx2[j]; |
187b3582 JH |
434 | } |
435 | } | |
436 | ||
b99457f0 | 437 | /* Skip if the device was not found. */ |
da686568 | 438 | if (!prof) |
187b3582 JH |
439 | continue; |
440 | ||
dc9dbe94 | 441 | devcnt = g_slist_length(drvc->instances); |
187b3582 | 442 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, |
da686568 | 443 | prof->vendor, prof->model, prof->model_version); |
f4a9e5c0 | 444 | if (!sdi) |
25a0f108 | 445 | return NULL; |
a873c594 | 446 | sdi->driver = di; |
187b3582 | 447 | |
06717a8a BV |
448 | /* Fill in probelist according to this device's profile. */ |
449 | num_logic_probes = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8; | |
c5e82ca5 | 450 | for (j = 0; j < num_logic_probes; j++) { |
06717a8a BV |
451 | if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE, |
452 | probe_names[j]))) | |
25a0f108 | 453 | return NULL; |
06717a8a BV |
454 | sdi->probes = g_slist_append(sdi->probes, probe); |
455 | } | |
456 | ||
dc9dbe94 BV |
457 | devc = fx2lafw_dev_new(); |
458 | devc->profile = prof; | |
459 | sdi->priv = devc; | |
460 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
a8cc8e44 | 461 | devices = g_slist_append(devices, sdi); |
187b3582 | 462 | |
b1eeb67e JH |
463 | if (check_conf_profile(devlist[i])) { |
464 | /* Already has the firmware, so fix the new address. */ | |
f427daef | 465 | sr_dbg("Found an fx2lafw device."); |
b1eeb67e | 466 | sdi->status = SR_ST_INACTIVE; |
dc9dbe94 | 467 | devc->usb = sr_usb_dev_inst_new |
b1eeb67e JH |
468 | (libusb_get_bus_number(devlist[i]), |
469 | libusb_get_device_address(devlist[i]), NULL); | |
470 | } else { | |
f8b07fc6 | 471 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
da686568 | 472 | prof->firmware) == SR_OK) |
b99457f0 | 473 | /* Store when this device's FW was updated. */ |
dc9dbe94 | 474 | devc->fw_updated = g_get_monotonic_time(); |
b1eeb67e | 475 | else |
f427daef | 476 | sr_err("Firmware upload failed for " |
7ae2f9d5 | 477 | "device %d.", devcnt); |
dc9dbe94 | 478 | devc->usb = sr_usb_dev_inst_new |
b1eeb67e JH |
479 | (libusb_get_bus_number(devlist[i]), 0xff, NULL); |
480 | } | |
187b3582 JH |
481 | } |
482 | libusb_free_device_list(devlist, 1); | |
483 | ||
3a7a22cb | 484 | return devices; |
f302a082 JH |
485 | } |
486 | ||
811deee4 BV |
487 | static GSList *hw_dev_list(void) |
488 | { | |
489 | struct drv_context *drvc; | |
490 | ||
a873c594 | 491 | drvc = di->priv; |
811deee4 BV |
492 | |
493 | return drvc->instances; | |
494 | } | |
495 | ||
25a0f108 | 496 | static int hw_dev_open(struct sr_dev_inst *sdi) |
f302a082 | 497 | { |
dc9dbe94 | 498 | struct dev_context *devc; |
e8bd58ff UH |
499 | int ret; |
500 | int64_t timediff_us, timediff_ms; | |
43125c69 | 501 | |
dc9dbe94 | 502 | devc = sdi->priv; |
43125c69 JH |
503 | |
504 | /* | |
f60fdf6e UH |
505 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
506 | * milliseconds for the FX2 to renumerate. | |
43125c69 | 507 | */ |
3b6c1930 | 508 | ret = SR_ERR; |
dc9dbe94 | 509 | if (devc->fw_updated > 0) { |
f427daef | 510 | sr_info("Waiting for device to reset."); |
b99457f0 | 511 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ |
43125c69 | 512 | g_usleep(300 * 1000); |
e8bd58ff | 513 | timediff_ms = 0; |
f60fdf6e | 514 | while (timediff_ms < MAX_RENUM_DELAY_MS) { |
25a0f108 | 515 | if ((ret = fx2lafw_dev_open(sdi)) == SR_OK) |
43125c69 JH |
516 | break; |
517 | g_usleep(100 * 1000); | |
e8bd58ff | 518 | |
dc9dbe94 | 519 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
3b6c1930 | 520 | timediff_ms = timediff_us / 1000; |
b99457f0 | 521 | sr_spew("Waited %" PRIi64 "ms.", timediff_ms); |
43125c69 | 522 | } |
443a14d8 AG |
523 | if (ret != SR_OK) { |
524 | sr_err("Device failed to renumerate."); | |
525 | return SR_ERR; | |
526 | } | |
c0bf69c2 | 527 | sr_info("Device came back after %" PRIi64 "ms.", timediff_ms); |
43125c69 | 528 | } else { |
443a14d8 | 529 | sr_info("Firmware upload was not needed."); |
25a0f108 | 530 | ret = fx2lafw_dev_open(sdi); |
43125c69 JH |
531 | } |
532 | ||
ebc34738 | 533 | if (ret != SR_OK) { |
f427daef | 534 | sr_err("Unable to open device."); |
43125c69 JH |
535 | return SR_ERR; |
536 | } | |
378abfea | 537 | |
dc9dbe94 | 538 | devc = sdi->priv; |
43125c69 | 539 | |
dc9dbe94 | 540 | ret = libusb_claim_interface(devc->usb->devhdl, USB_INTERFACE); |
ebc34738 | 541 | if (ret != 0) { |
0c156e06 JH |
542 | switch(ret) { |
543 | case LIBUSB_ERROR_BUSY: | |
f427daef | 544 | sr_err("Unable to claim USB interface. Another " |
b99457f0 | 545 | "program or driver has already claimed it."); |
0c156e06 | 546 | break; |
0c156e06 | 547 | case LIBUSB_ERROR_NO_DEVICE: |
f427daef | 548 | sr_err("Device has been disconnected."); |
0c156e06 | 549 | break; |
0c156e06 | 550 | default: |
f427daef | 551 | sr_err("Unable to claim interface: %s.", |
d4928d71 | 552 | libusb_error_name(ret)); |
0c156e06 JH |
553 | break; |
554 | } | |
555 | ||
43125c69 JH |
556 | return SR_ERR; |
557 | } | |
558 | ||
dc9dbe94 | 559 | if (devc->cur_samplerate == 0) { |
f92994fd | 560 | /* Samplerate hasn't been set; default to the slowest one. */ |
6f4b1868 | 561 | if (hw_dev_config_set(sdi, SR_HWCAP_SAMPLERATE, |
590b9f9a | 562 | &supported_samplerates[0]) == SR_ERR) |
f92994fd JH |
563 | return SR_ERR; |
564 | } | |
565 | ||
f302a082 JH |
566 | return SR_OK; |
567 | } | |
568 | ||
25a0f108 | 569 | static int hw_dev_close(struct sr_dev_inst *sdi) |
f302a082 | 570 | { |
dc9dbe94 | 571 | struct dev_context *devc; |
f1898235 | 572 | |
dc9dbe94 BV |
573 | devc = sdi->priv; |
574 | if (devc->usb->devhdl == NULL) | |
25a0f108 | 575 | return SR_ERR; |
f1898235 | 576 | |
b99457f0 | 577 | sr_info("Closing device %d on %d.%d, interface %d.", |
dc9dbe94 BV |
578 | sdi->index, devc->usb->bus, devc->usb->address, USB_INTERFACE); |
579 | libusb_release_interface(devc->usb->devhdl, USB_INTERFACE); | |
580 | libusb_close(devc->usb->devhdl); | |
581 | devc->usb->devhdl = NULL; | |
25a0f108 | 582 | sdi->status = SR_ST_INACTIVE; |
f1898235 | 583 | |
f302a082 JH |
584 | return SR_OK; |
585 | } | |
586 | ||
587 | static int hw_cleanup(void) | |
588 | { | |
dc9dbe94 | 589 | struct drv_context *drvc; |
f69b47f0 | 590 | int ret; |
187b3582 | 591 | |
a873c594 | 592 | if (!(drvc = di->priv)) |
dc9dbe94 BV |
593 | return SR_OK; |
594 | ||
f69b47f0 | 595 | ret = clear_instances(); |
187b3582 | 596 | |
dc9dbe94 | 597 | g_free(drvc); |
a873c594 | 598 | di->priv = NULL; |
187b3582 | 599 | |
62bc70e4 | 600 | return ret; |
f302a082 JH |
601 | } |
602 | ||
cbd798f4 | 603 | static int hw_info_get(int info_id, const void **data, |
6e9339aa | 604 | const struct sr_dev_inst *sdi) |
f302a082 | 605 | { |
dc9dbe94 | 606 | struct dev_context *devc; |
8b35f474 | 607 | |
cbd798f4 | 608 | switch (info_id) { |
a27999e6 BV |
609 | case SR_DI_HWCAPS: |
610 | *data = hwcaps; | |
611 | break; | |
8b35f474 | 612 | case SR_DI_NUM_PROBES: |
6e9339aa | 613 | if (sdi) { |
dc9dbe94 | 614 | devc = sdi->priv; |
6e9339aa | 615 | *data = GINT_TO_POINTER( |
dc9dbe94 | 616 | (devc->profile->dev_caps & DEV_CAPS_16BIT) ? |
6e9339aa BV |
617 | 16 : 8); |
618 | } else | |
619 | return SR_ERR; | |
620 | break; | |
8b35f474 | 621 | case SR_DI_PROBE_NAMES: |
6e9339aa BV |
622 | *data = probe_names; |
623 | break; | |
8b35f474 | 624 | case SR_DI_SAMPLERATES: |
6e9339aa BV |
625 | *data = &samplerates; |
626 | break; | |
8b35f474 | 627 | case SR_DI_TRIGGER_TYPES: |
6e9339aa BV |
628 | *data = TRIGGER_TYPES; |
629 | break; | |
e3186647 | 630 | case SR_DI_CUR_SAMPLERATE: |
6e9339aa | 631 | if (sdi) { |
dc9dbe94 BV |
632 | devc = sdi->priv; |
633 | *data = &devc->cur_samplerate; | |
6e9339aa BV |
634 | } else |
635 | return SR_ERR; | |
636 | break; | |
637 | default: | |
638 | return SR_ERR_ARG; | |
8b35f474 JH |
639 | } |
640 | ||
6e9339aa | 641 | return SR_OK; |
f302a082 JH |
642 | } |
643 | ||
6f4b1868 BV |
644 | static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, |
645 | const void *value) | |
f302a082 | 646 | { |
dc9dbe94 | 647 | struct dev_context *devc; |
7cb621d4 JH |
648 | int ret; |
649 | ||
dc9dbe94 | 650 | devc = sdi->priv; |
7cb621d4 | 651 | |
e3186647 | 652 | if (hwcap == SR_HWCAP_SAMPLERATE) { |
dc9dbe94 | 653 | devc->cur_samplerate = *(const uint64_t *)value; |
e3186647 | 654 | ret = SR_OK; |
e3186647 | 655 | } else if (hwcap == SR_HWCAP_LIMIT_SAMPLES) { |
dc9dbe94 | 656 | devc->limit_samples = *(const uint64_t *)value; |
7cb621d4 JH |
657 | ret = SR_OK; |
658 | } else { | |
659 | ret = SR_ERR; | |
660 | } | |
661 | ||
662 | return ret; | |
f302a082 JH |
663 | } |
664 | ||
1f9813eb | 665 | static int receive_data(int fd, int revents, void *cb_data) |
610dbb70 JH |
666 | { |
667 | struct timeval tv; | |
b99457f0 | 668 | struct drv_context *drvc; |
610dbb70 | 669 | |
610dbb70 JH |
670 | (void)fd; |
671 | (void)revents; | |
1f9813eb | 672 | (void)cb_data; |
610dbb70 | 673 | |
b99457f0 UH |
674 | drvc = di->priv; |
675 | ||
610dbb70 | 676 | tv.tv_sec = tv.tv_usec = 0; |
d4abb463 | 677 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
610dbb70 JH |
678 | |
679 | return TRUE; | |
680 | } | |
681 | ||
dc9dbe94 | 682 | static void abort_acquisition(struct dev_context *devc) |
cb61e9f7 | 683 | { |
e7d087bf | 684 | int i; |
0caa1ef0 | 685 | |
dc9dbe94 | 686 | devc->num_samples = -1; |
0caa1ef0 | 687 | |
dc9dbe94 BV |
688 | for (i = devc->num_transfers - 1; i >= 0; i--) { |
689 | if (devc->transfers[i]) | |
690 | libusb_cancel_transfer(devc->transfers[i]); | |
0caa1ef0 | 691 | } |
cb61e9f7 JH |
692 | } |
693 | ||
dc9dbe94 | 694 | static void finish_acquisition(struct dev_context *devc) |
2e526f4a JH |
695 | { |
696 | struct sr_datafeed_packet packet; | |
a873c594 | 697 | struct drv_context *drvc = di->priv; |
b99457f0 | 698 | const struct libusb_pollfd **lupfd; |
cb61e9f7 | 699 | int i; |
2e526f4a | 700 | |
b99457f0 | 701 | /* Terminate session. */ |
2e526f4a | 702 | packet.type = SR_DF_END; |
dc9dbe94 | 703 | sr_session_send(devc->session_dev_id, &packet); |
2e526f4a | 704 | |
b99457f0 UH |
705 | /* Remove fds from polling. */ |
706 | lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); | |
cb61e9f7 JH |
707 | for (i = 0; lupfd[i]; i++) |
708 | sr_source_remove(lupfd[i]->fd); | |
709 | free(lupfd); /* NOT g_free()! */ | |
0caa1ef0 | 710 | |
dc9dbe94 BV |
711 | devc->num_transfers = 0; |
712 | g_free(devc->transfers); | |
2e526f4a JH |
713 | } |
714 | ||
f855de75 LPC |
715 | static void free_transfer(struct libusb_transfer *transfer) |
716 | { | |
b99457f0 | 717 | struct dev_context *devc; |
0caa1ef0 | 718 | unsigned int i; |
f855de75 | 719 | |
b99457f0 UH |
720 | devc = transfer->user_data; |
721 | ||
f855de75 LPC |
722 | g_free(transfer->buffer); |
723 | transfer->buffer = NULL; | |
724 | libusb_free_transfer(transfer); | |
725 | ||
dc9dbe94 BV |
726 | for (i = 0; i < devc->num_transfers; i++) { |
727 | if (devc->transfers[i] == transfer) { | |
728 | devc->transfers[i] = NULL; | |
0caa1ef0 LPC |
729 | break; |
730 | } | |
731 | } | |
732 | ||
dc9dbe94 BV |
733 | devc->submitted_transfers--; |
734 | if (devc->submitted_transfers == 0) | |
735 | finish_acquisition(devc); | |
f855de75 LPC |
736 | } |
737 | ||
17dff8a1 LPC |
738 | static void resubmit_transfer(struct libusb_transfer *transfer) |
739 | { | |
b99457f0 | 740 | int ret; |
d4928d71 | 741 | |
b99457f0 | 742 | if ((ret = libusb_submit_transfer(transfer)) == LIBUSB_SUCCESS) |
d4928d71 PS |
743 | return; |
744 | ||
745 | free_transfer(transfer); | |
746 | /* TODO: Stop session? */ | |
747 | ||
f427daef | 748 | sr_err("%s: %s", __func__, libusb_error_name(ret)); |
17dff8a1 LPC |
749 | } |
750 | ||
610dbb70 JH |
751 | static void receive_transfer(struct libusb_transfer *transfer) |
752 | { | |
7ce737a7 | 753 | gboolean packet_has_error = FALSE; |
610dbb70 JH |
754 | struct sr_datafeed_packet packet; |
755 | struct sr_datafeed_logic logic; | |
b99457f0 UH |
756 | struct dev_context *devc; |
757 | int trigger_offset, i, sample_width, cur_sample_count; | |
758 | int trigger_offset_bytes; | |
759 | uint8_t *cur_buf; | |
760 | ||
761 | devc = transfer->user_data; | |
610dbb70 | 762 | |
610dbb70 JH |
763 | /* |
764 | * If acquisition has already ended, just free any queued up | |
765 | * transfer that come in. | |
766 | */ | |
dc9dbe94 | 767 | if (devc->num_samples == -1) { |
f855de75 | 768 | free_transfer(transfer); |
610dbb70 JH |
769 | return; |
770 | } | |
771 | ||
f427daef | 772 | sr_info("receive_transfer(): status %d received %d bytes.", |
610dbb70 JH |
773 | transfer->status, transfer->actual_length); |
774 | ||
775 | /* Save incoming transfer before reusing the transfer struct. */ | |
b99457f0 UH |
776 | cur_buf = transfer->buffer; |
777 | sample_width = devc->sample_wide ? 2 : 1; | |
778 | cur_sample_count = transfer->actual_length / sample_width; | |
610dbb70 | 779 | |
7ce737a7 LPC |
780 | switch (transfer->status) { |
781 | case LIBUSB_TRANSFER_NO_DEVICE: | |
dc9dbe94 | 782 | abort_acquisition(devc); |
7ce737a7 LPC |
783 | free_transfer(transfer); |
784 | return; | |
785 | case LIBUSB_TRANSFER_COMPLETED: | |
b99457f0 | 786 | case LIBUSB_TRANSFER_TIMED_OUT: /* We may have received some data though. */ |
7ce737a7 LPC |
787 | break; |
788 | default: | |
789 | packet_has_error = TRUE; | |
790 | break; | |
791 | } | |
792 | ||
793 | if (transfer->actual_length == 0 || packet_has_error) { | |
dc9dbe94 BV |
794 | devc->empty_transfer_count++; |
795 | if (devc->empty_transfer_count > MAX_EMPTY_TRANSFERS) { | |
610dbb70 JH |
796 | /* |
797 | * The FX2 gave up. End the acquisition, the frontend | |
798 | * will work out that the samplecount is short. | |
799 | */ | |
dc9dbe94 | 800 | abort_acquisition(devc); |
17dff8a1 LPC |
801 | free_transfer(transfer); |
802 | } else { | |
803 | resubmit_transfer(transfer); | |
610dbb70 JH |
804 | } |
805 | return; | |
806 | } else { | |
dc9dbe94 | 807 | devc->empty_transfer_count = 0; |
610dbb70 JH |
808 | } |
809 | ||
6c6781b6 | 810 | trigger_offset = 0; |
dc9dbe94 | 811 | if (devc->trigger_stage >= 0) { |
d1ddc7a9 JH |
812 | for (i = 0; i < cur_sample_count; i++) { |
813 | ||
dc9dbe94 | 814 | const uint16_t cur_sample = devc->sample_wide ? |
d1ddc7a9 JH |
815 | *((const uint16_t*)cur_buf + i) : |
816 | *((const uint8_t*)cur_buf + i); | |
6c6781b6 | 817 | |
dc9dbe94 BV |
818 | if ((cur_sample & devc->trigger_mask[devc->trigger_stage]) == |
819 | devc->trigger_value[devc->trigger_stage]) { | |
6c6781b6 | 820 | /* Match on this trigger stage. */ |
dc9dbe94 BV |
821 | devc->trigger_buffer[devc->trigger_stage] = cur_sample; |
822 | devc->trigger_stage++; | |
6c6781b6 | 823 | |
dc9dbe94 BV |
824 | if (devc->trigger_stage == NUM_TRIGGER_STAGES || |
825 | devc->trigger_mask[devc->trigger_stage] == 0) { | |
6c6781b6 JH |
826 | /* Match on all trigger stages, we're done. */ |
827 | trigger_offset = i + 1; | |
828 | ||
829 | /* | |
830 | * TODO: Send pre-trigger buffer to session bus. | |
831 | * Tell the frontend we hit the trigger here. | |
832 | */ | |
833 | packet.type = SR_DF_TRIGGER; | |
834 | packet.payload = NULL; | |
dc9dbe94 | 835 | sr_session_send(devc->session_dev_id, &packet); |
6c6781b6 JH |
836 | |
837 | /* | |
b99457f0 UH |
838 | * Send the samples that triggered it, |
839 | * since we're skipping past them. | |
6c6781b6 JH |
840 | */ |
841 | packet.type = SR_DF_LOGIC; | |
842 | packet.payload = &logic; | |
dc9dbe94 BV |
843 | logic.unitsize = sizeof(*devc->trigger_buffer); |
844 | logic.length = devc->trigger_stage * logic.unitsize; | |
845 | logic.data = devc->trigger_buffer; | |
846 | sr_session_send(devc->session_dev_id, &packet); | |
6c6781b6 | 847 | |
dc9dbe94 | 848 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 JH |
849 | break; |
850 | } | |
dc9dbe94 | 851 | } else if (devc->trigger_stage > 0) { |
f3ab43a8 LPC |
852 | /* |
853 | * We had a match before, but not in the next sample. However, we may | |
854 | * have a match on this stage in the next bit -- trigger on 0001 will | |
855 | * fail on seeing 00001, so we need to go back to stage 0 -- but at | |
856 | * the next sample from the one that matched originally, which the | |
857 | * counter increment at the end of the loop takes care of. | |
858 | */ | |
dc9dbe94 | 859 | i -= devc->trigger_stage; |
6c6781b6 JH |
860 | if (i < -1) |
861 | i = -1; /* Oops, went back past this buffer. */ | |
862 | /* Reset trigger stage. */ | |
dc9dbe94 | 863 | devc->trigger_stage = 0; |
6c6781b6 JH |
864 | } |
865 | } | |
866 | } | |
610dbb70 | 867 | |
dc9dbe94 | 868 | if (devc->trigger_stage == TRIGGER_FIRED) { |
6c6781b6 | 869 | /* Send the incoming transfer to the session bus. */ |
b99457f0 | 870 | trigger_offset_bytes = trigger_offset * sample_width; |
6c6781b6 JH |
871 | packet.type = SR_DF_LOGIC; |
872 | packet.payload = &logic; | |
d1ddc7a9 JH |
873 | logic.length = transfer->actual_length - trigger_offset_bytes; |
874 | logic.unitsize = sample_width; | |
875 | logic.data = cur_buf + trigger_offset_bytes; | |
dc9dbe94 | 876 | sr_session_send(devc->session_dev_id, &packet); |
6c6781b6 | 877 | |
dc9dbe94 BV |
878 | devc->num_samples += cur_sample_count; |
879 | if (devc->limit_samples && | |
880 | (unsigned int)devc->num_samples > devc->limit_samples) { | |
881 | abort_acquisition(devc); | |
0caa1ef0 LPC |
882 | free_transfer(transfer); |
883 | return; | |
6c6781b6 JH |
884 | } |
885 | } else { | |
886 | /* | |
887 | * TODO: Buffer pre-trigger data in capture | |
888 | * ratio-sized buffer. | |
889 | */ | |
610dbb70 | 890 | } |
17dff8a1 LPC |
891 | |
892 | resubmit_transfer(transfer); | |
610dbb70 JH |
893 | } |
894 | ||
5af666a9 LPC |
895 | static unsigned int to_bytes_per_ms(unsigned int samplerate) |
896 | { | |
897 | return samplerate / 1000; | |
898 | } | |
899 | ||
dc9dbe94 | 900 | static size_t get_buffer_size(struct dev_context *devc) |
5af666a9 LPC |
901 | { |
902 | size_t s; | |
903 | ||
b99457f0 UH |
904 | /* |
905 | * The buffer should be large enough to hold 10ms of data and | |
906 | * a multiple of 512. | |
907 | */ | |
dc9dbe94 | 908 | s = 10 * to_bytes_per_ms(devc->cur_samplerate); |
5af666a9 LPC |
909 | return (s + 511) & ~511; |
910 | } | |
911 | ||
dc9dbe94 | 912 | static unsigned int get_number_of_transfers(struct dev_context *devc) |
5af666a9 LPC |
913 | { |
914 | unsigned int n; | |
915 | ||
b99457f0 | 916 | /* Total buffer size should be able to hold about 500ms of data. */ |
dc9dbe94 | 917 | n = 500 * to_bytes_per_ms(devc->cur_samplerate) / get_buffer_size(devc); |
5af666a9 LPC |
918 | |
919 | if (n > NUM_SIMUL_TRANSFERS) | |
920 | return NUM_SIMUL_TRANSFERS; | |
921 | ||
922 | return n; | |
923 | } | |
924 | ||
dc9dbe94 | 925 | static unsigned int get_timeout(struct dev_context *devc) |
5af666a9 LPC |
926 | { |
927 | size_t total_size; | |
928 | unsigned int timeout; | |
929 | ||
dc9dbe94 BV |
930 | total_size = get_buffer_size(devc) * get_number_of_transfers(devc); |
931 | timeout = total_size / to_bytes_per_ms(devc->cur_samplerate); | |
b99457f0 | 932 | return timeout + timeout / 4; /* Leave a headroom of 25% percent. */ |
5af666a9 LPC |
933 | } |
934 | ||
3ffb6964 BV |
935 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
936 | void *cb_data) | |
f302a082 | 937 | { |
bd47acab LPC |
938 | struct sr_datafeed_packet packet; |
939 | struct sr_datafeed_header header; | |
f366e86c | 940 | struct sr_datafeed_meta_logic meta; |
dc9dbe94 | 941 | struct dev_context *devc; |
b99457f0 | 942 | struct drv_context *drvc; |
610dbb70 JH |
943 | struct libusb_transfer *transfer; |
944 | const struct libusb_pollfd **lupfd; | |
b99457f0 | 945 | unsigned int i, timeout, num_transfers; |
5af666a9 | 946 | int ret; |
610dbb70 | 947 | unsigned char *buf; |
b99457f0 | 948 | size_t size; |
610dbb70 | 949 | |
b99457f0 | 950 | drvc = di->priv; |
dc9dbe94 | 951 | devc = sdi->priv; |
b99457f0 | 952 | |
dc9dbe94 | 953 | if (devc->submitted_transfers != 0) |
c03f0450 LPC |
954 | return SR_ERR; |
955 | ||
014359e3 | 956 | if (configure_probes(sdi) != SR_OK) { |
b99457f0 | 957 | sr_err("Failed to configure probes."); |
014359e3 BV |
958 | return SR_ERR; |
959 | } | |
960 | ||
dc9dbe94 BV |
961 | devc->session_dev_id = cb_data; |
962 | devc->num_samples = 0; | |
963 | devc->empty_transfer_count = 0; | |
610dbb70 | 964 | |
b99457f0 UH |
965 | timeout = get_timeout(devc); |
966 | num_transfers = get_number_of_transfers(devc); | |
967 | size = get_buffer_size(devc); | |
5af666a9 | 968 | |
dc9dbe94 | 969 | devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers); |
886a52b6 | 970 | if (!devc->transfers) { |
f427daef | 971 | sr_err("USB transfers malloc failed."); |
886a52b6 UH |
972 | return SR_ERR_MALLOC; |
973 | } | |
0caa1ef0 | 974 | |
dc9dbe94 | 975 | devc->num_transfers = num_transfers; |
0caa1ef0 | 976 | |
5af666a9 | 977 | for (i = 0; i < num_transfers; i++) { |
610dbb70 | 978 | if (!(buf = g_try_malloc(size))) { |
b99457f0 | 979 | sr_err("USB transfer buffer malloc failed."); |
610dbb70 JH |
980 | return SR_ERR_MALLOC; |
981 | } | |
982 | transfer = libusb_alloc_transfer(0); | |
dc9dbe94 | 983 | libusb_fill_bulk_transfer(transfer, devc->usb->devhdl, |
610dbb70 | 984 | 2 | LIBUSB_ENDPOINT_IN, buf, size, |
dc9dbe94 | 985 | receive_transfer, devc, timeout); |
d4928d71 | 986 | if ((ret = libusb_submit_transfer(transfer)) != 0) { |
b99457f0 UH |
987 | sr_err("Failed to submit transfer: %s.", |
988 | libusb_error_name(ret)); | |
610dbb70 JH |
989 | libusb_free_transfer(transfer); |
990 | g_free(buf); | |
dc9dbe94 | 991 | abort_acquisition(devc); |
610dbb70 JH |
992 | return SR_ERR; |
993 | } | |
dc9dbe94 BV |
994 | devc->transfers[i] = transfer; |
995 | devc->submitted_transfers++; | |
610dbb70 JH |
996 | } |
997 | ||
d4abb463 | 998 | lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); |
610dbb70 JH |
999 | for (i = 0; lupfd[i]; i++) |
1000 | sr_source_add(lupfd[i]->fd, lupfd[i]->events, | |
5af666a9 | 1001 | timeout, receive_data, NULL); |
610dbb70 JH |
1002 | free(lupfd); /* NOT g_free()! */ |
1003 | ||
bd47acab LPC |
1004 | packet.type = SR_DF_HEADER; |
1005 | packet.payload = &header; | |
1006 | header.feed_version = 1; | |
1007 | gettimeofday(&header.starttime, NULL); | |
1008 | sr_session_send(cb_data, &packet); | |
f366e86c BV |
1009 | |
1010 | /* Send metadata about the SR_DF_LOGIC packets to come. */ | |
bd47acab LPC |
1011 | packet.type = SR_DF_META_LOGIC; |
1012 | packet.payload = &meta; | |
dc9dbe94 BV |
1013 | meta.samplerate = devc->cur_samplerate; |
1014 | meta.num_probes = devc->sample_wide ? 16 : 8; | |
bd47acab | 1015 | sr_session_send(cb_data, &packet); |
610dbb70 | 1016 | |
b99457f0 | 1017 | if ((ret = command_start_acquisition(devc->usb->devhdl, |
dc9dbe94 BV |
1018 | devc->cur_samplerate, devc->sample_wide)) != SR_OK) { |
1019 | abort_acquisition(devc); | |
ebc34738 | 1020 | return ret; |
017375d1 JH |
1021 | } |
1022 | ||
f302a082 JH |
1023 | return SR_OK; |
1024 | } | |
1025 | ||
3cd3a20b | 1026 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ |
69b07d14 | 1027 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
f302a082 | 1028 | { |
2e526f4a | 1029 | (void)cb_data; |
5da93902 | 1030 | |
2e526f4a | 1031 | abort_acquisition(sdi->priv); |
5da93902 | 1032 | |
f302a082 JH |
1033 | return SR_OK; |
1034 | } | |
1035 | ||
c09f0b57 | 1036 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { |
f302a082 | 1037 | .name = "fx2lafw", |
2e7cb004 | 1038 | .longname = "fx2lafw (generic driver for FX2 based LAs)", |
f302a082 JH |
1039 | .api_version = 1, |
1040 | .init = hw_init, | |
1041 | .cleanup = hw_cleanup, | |
61136ea6 | 1042 | .scan = hw_scan, |
811deee4 BV |
1043 | .dev_list = hw_dev_list, |
1044 | .dev_clear = clear_instances, | |
f302a082 JH |
1045 | .dev_open = hw_dev_open, |
1046 | .dev_close = hw_dev_close, | |
6e9339aa | 1047 | .info_get = hw_info_get, |
f302a082 JH |
1048 | .dev_config_set = hw_dev_config_set, |
1049 | .dev_acquisition_start = hw_dev_acquisition_start, | |
1050 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
dc9dbe94 | 1051 | .priv = NULL, |
f302a082 | 1052 | }; |