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Commit | Line | Data |
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f302a082 JH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
13d8e03c | 4 | * Copyright (C) 2013 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 | ||
d6836bf1 | 84 | static const int32_t hwcaps[] = { |
1953564a | 85 | SR_CONF_LOGIC_ANALYZER, |
d6836bf1 | 86 | SR_CONF_TRIGGER_TYPE, |
1953564a | 87 | SR_CONF_SAMPLERATE, |
8b35f474 JH |
88 | |
89 | /* These are really implemented in the driver, not the hardware. */ | |
1953564a BV |
90 | SR_CONF_LIMIT_SAMPLES, |
91 | SR_CONF_CONTINUOUS, | |
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 | ||
d6836bf1 | 100 | static const uint64_t 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), |
8b35f474 JH |
117 | }; |
118 | ||
a8cc8e44 | 119 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info; |
a873c594 | 120 | static struct sr_dev_driver *di = &fx2lafw_driver_info; |
25a0f108 | 121 | static int hw_dev_close(struct sr_dev_inst *sdi); |
69b07d14 | 122 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data); |
610dbb70 | 123 | |
b1eeb67e JH |
124 | /** |
125 | * Check the USB configuration to determine if this is an fx2lafw device. | |
126 | * | |
f9a69557 UH |
127 | * @return TRUE if the device's configuration profile match fx2lafw |
128 | * configuration, FALSE otherwise. | |
b1eeb67e | 129 | */ |
f9a69557 | 130 | static gboolean check_conf_profile(libusb_device *dev) |
b1eeb67e JH |
131 | { |
132 | struct libusb_device_descriptor des; | |
6b73d9a5 BV |
133 | struct libusb_device_handle *hdl; |
134 | gboolean ret; | |
135 | unsigned char strdesc[64]; | |
b1eeb67e | 136 | |
6b73d9a5 BV |
137 | hdl = NULL; |
138 | ret = FALSE; | |
b1eeb67e | 139 | while (!ret) { |
da686568 | 140 | /* Assume the FW has not been loaded, unless proven wrong. */ |
b1eeb67e JH |
141 | if (libusb_get_device_descriptor(dev, &des) != 0) |
142 | break; | |
143 | ||
6b73d9a5 | 144 | if (libusb_open(dev, &hdl) != 0) |
b1eeb67e JH |
145 | break; |
146 | ||
6b73d9a5 | 147 | if (libusb_get_string_descriptor_ascii(hdl, |
b99457f0 | 148 | des.iManufacturer, strdesc, sizeof(strdesc)) < 0) |
b1eeb67e | 149 | break; |
6b73d9a5 | 150 | if (strncmp((const char *)strdesc, "sigrok", 6)) |
b1eeb67e JH |
151 | break; |
152 | ||
6b73d9a5 BV |
153 | if (libusb_get_string_descriptor_ascii(hdl, |
154 | des.iProduct, strdesc, sizeof(strdesc)) < 0) | |
b1eeb67e | 155 | break; |
6b73d9a5 | 156 | if (strncmp((const char *)strdesc, "fx2lafw", 7)) |
b1eeb67e JH |
157 | break; |
158 | ||
b1eeb67e | 159 | /* If we made it here, it must be an fx2lafw. */ |
f9a69557 | 160 | ret = TRUE; |
b1eeb67e | 161 | } |
6b73d9a5 BV |
162 | if (hdl) |
163 | libusb_close(hdl); | |
b1eeb67e JH |
164 | |
165 | return ret; | |
166 | } | |
167 | ||
25a0f108 | 168 | static int fx2lafw_dev_open(struct sr_dev_inst *sdi) |
43125c69 JH |
169 | { |
170 | libusb_device **devlist; | |
171 | struct libusb_device_descriptor des; | |
dc9dbe94 | 172 | struct dev_context *devc; |
b99457f0 | 173 | struct drv_context *drvc; |
13bf7ecc | 174 | struct version_info vi; |
b99457f0 | 175 | int ret, skip, i, device_count; |
1e94408a | 176 | uint8_t revid; |
43125c69 | 177 | |
b99457f0 | 178 | drvc = di->priv; |
dc9dbe94 | 179 | devc = sdi->priv; |
43125c69 JH |
180 | |
181 | if (sdi->status == SR_ST_ACTIVE) | |
b99457f0 | 182 | /* Device is already in use. */ |
43125c69 JH |
183 | return SR_ERR; |
184 | ||
185 | skip = 0; | |
b99457f0 | 186 | device_count = libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
6fbe5e60 | 187 | if (device_count < 0) { |
b99457f0 UH |
188 | sr_err("Failed to get device list: %s.", |
189 | libusb_error_name(device_count)); | |
6fbe5e60 JH |
190 | return SR_ERR; |
191 | } | |
192 | ||
193 | for (i = 0; i < device_count; i++) { | |
ebc34738 | 194 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { |
f427daef | 195 | sr_err("Failed to get device descriptor: %s.", |
d4928d71 | 196 | libusb_error_name(ret)); |
43125c69 JH |
197 | continue; |
198 | } | |
199 | ||
dc9dbe94 BV |
200 | if (des.idVendor != devc->profile->vid |
201 | || des.idProduct != devc->profile->pid) | |
43125c69 JH |
202 | continue; |
203 | ||
204 | if (sdi->status == SR_ST_INITIALIZING) { | |
25a0f108 | 205 | if (skip != sdi->index) { |
43125c69 JH |
206 | /* Skip devices of this type that aren't the one we want. */ |
207 | skip += 1; | |
208 | continue; | |
209 | } | |
210 | } else if (sdi->status == SR_ST_INACTIVE) { | |
211 | /* | |
212 | * This device is fully enumerated, so we need to find | |
213 | * this device by vendor, product, bus and address. | |
214 | */ | |
dc9dbe94 BV |
215 | if (libusb_get_bus_number(devlist[i]) != devc->usb->bus |
216 | || libusb_get_device_address(devlist[i]) != devc->usb->address) | |
b99457f0 | 217 | /* This is not the one. */ |
43125c69 JH |
218 | continue; |
219 | } | |
220 | ||
dc9dbe94 BV |
221 | if (!(ret = libusb_open(devlist[i], &devc->usb->devhdl))) { |
222 | if (devc->usb->address == 0xff) | |
43125c69 | 223 | /* |
b99457f0 UH |
224 | * First time we touch this device after FW |
225 | * upload, so we don't know the address yet. | |
43125c69 | 226 | */ |
dc9dbe94 | 227 | devc->usb->address = libusb_get_device_address(devlist[i]); |
43125c69 | 228 | } else { |
f427daef | 229 | sr_err("Failed to open device: %s.", |
d4928d71 | 230 | libusb_error_name(ret)); |
13bf7ecc JH |
231 | break; |
232 | } | |
233 | ||
dc9dbe94 | 234 | ret = command_get_fw_version(devc->usb->devhdl, &vi); |
44dfd483 | 235 | if (ret != SR_OK) { |
b99457f0 | 236 | sr_err("Failed to get firmware version."); |
13bf7ecc | 237 | break; |
43125c69 JH |
238 | } |
239 | ||
dc9dbe94 | 240 | ret = command_get_revid_version(devc->usb->devhdl, &revid); |
1e94408a | 241 | if (ret != SR_OK) { |
b99457f0 | 242 | sr_err("Failed to get REVID."); |
1e94408a UH |
243 | break; |
244 | } | |
245 | ||
0a8c0c32 UH |
246 | /* |
247 | * Changes in major version mean incompatible/API changes, so | |
248 | * bail out if we encounter an incompatible version. | |
249 | * Different minor versions are OK, they should be compatible. | |
250 | */ | |
251 | if (vi.major != FX2LAFW_REQUIRED_VERSION_MAJOR) { | |
f427daef | 252 | sr_err("Expected firmware version %d.x, " |
0a8c0c32 UH |
253 | "got %d.%d.", FX2LAFW_REQUIRED_VERSION_MAJOR, |
254 | vi.major, vi.minor); | |
13bf7ecc JH |
255 | break; |
256 | } | |
257 | ||
258 | sdi->status = SR_ST_ACTIVE; | |
b99457f0 | 259 | sr_info("Opened device %d on %d.%d, " |
cbc80f8f | 260 | "interface %d, firmware %d.%d.", |
dc9dbe94 | 261 | sdi->index, devc->usb->bus, devc->usb->address, |
cbc80f8f AG |
262 | USB_INTERFACE, vi.major, vi.minor); |
263 | ||
264 | sr_info("Detected REVID=%d, it's a Cypress CY7C68013%s.", | |
265 | revid, (revid != 1) ? " (FX2)" : "A (FX2LP)"); | |
13bf7ecc | 266 | |
43125c69 JH |
267 | break; |
268 | } | |
269 | libusb_free_device_list(devlist, 1); | |
270 | ||
271 | if (sdi->status != SR_ST_ACTIVE) | |
272 | return SR_ERR; | |
273 | ||
274 | return SR_OK; | |
275 | } | |
276 | ||
014359e3 | 277 | static int configure_probes(const struct sr_dev_inst *sdi) |
6c6781b6 | 278 | { |
014359e3 | 279 | struct dev_context *devc; |
6c6781b6 JH |
280 | struct sr_probe *probe; |
281 | GSList *l; | |
282 | int probe_bit, stage, i; | |
283 | char *tc; | |
284 | ||
014359e3 | 285 | devc = sdi->priv; |
6c6781b6 | 286 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { |
dc9dbe94 BV |
287 | devc->trigger_mask[i] = 0; |
288 | devc->trigger_value[i] = 0; | |
6c6781b6 JH |
289 | } |
290 | ||
291 | stage = -1; | |
014359e3 | 292 | for (l = sdi->probes; l; l = l->next) { |
6c6781b6 JH |
293 | probe = (struct sr_probe *)l->data; |
294 | if (probe->enabled == FALSE) | |
295 | continue; | |
d1ddc7a9 | 296 | |
b35c8293 | 297 | if (probe->index > 7) |
dc9dbe94 | 298 | devc->sample_wide = TRUE; |
d1ddc7a9 | 299 | |
b35c8293 | 300 | probe_bit = 1 << (probe->index); |
6c6781b6 JH |
301 | if (!(probe->trigger)) |
302 | continue; | |
303 | ||
304 | stage = 0; | |
305 | for (tc = probe->trigger; *tc; tc++) { | |
dc9dbe94 | 306 | devc->trigger_mask[stage] |= probe_bit; |
6c6781b6 | 307 | if (*tc == '1') |
dc9dbe94 | 308 | devc->trigger_value[stage] |= probe_bit; |
6c6781b6 JH |
309 | stage++; |
310 | if (stage > NUM_TRIGGER_STAGES) | |
311 | return SR_ERR; | |
312 | } | |
313 | } | |
314 | ||
315 | if (stage == -1) | |
316 | /* | |
317 | * We didn't configure any triggers, make sure acquisition | |
318 | * doesn't wait for any. | |
319 | */ | |
dc9dbe94 | 320 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 | 321 | else |
dc9dbe94 | 322 | devc->trigger_stage = 0; |
6c6781b6 JH |
323 | |
324 | return SR_OK; | |
325 | } | |
326 | ||
dc9dbe94 | 327 | static struct dev_context *fx2lafw_dev_new(void) |
187b3582 | 328 | { |
dc9dbe94 | 329 | struct dev_context *devc; |
187b3582 | 330 | |
dc9dbe94 | 331 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { |
b99457f0 | 332 | sr_err("Device context malloc failed."); |
187b3582 JH |
333 | return NULL; |
334 | } | |
335 | ||
dc9dbe94 | 336 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 | 337 | |
dc9dbe94 | 338 | return devc; |
187b3582 | 339 | } |
f302a082 | 340 | |
f69b47f0 BV |
341 | static int clear_instances(void) |
342 | { | |
343 | GSList *l; | |
344 | struct sr_dev_inst *sdi; | |
dc9dbe94 BV |
345 | struct drv_context *drvc; |
346 | struct dev_context *devc; | |
f69b47f0 BV |
347 | int ret; |
348 | ||
a873c594 | 349 | drvc = di->priv; |
f69b47f0 | 350 | ret = SR_OK; |
dc9dbe94 | 351 | for (l = drvc->instances; l; l = l->next) { |
f69b47f0 BV |
352 | if (!(sdi = l->data)) { |
353 | /* Log error, but continue cleaning up the rest. */ | |
b99457f0 | 354 | sr_err("sdi was NULL, continuing."); |
f69b47f0 BV |
355 | ret = SR_ERR_BUG; |
356 | continue; | |
357 | } | |
dc9dbe94 | 358 | if (!(devc = sdi->priv)) { |
f69b47f0 | 359 | /* Log error, but continue cleaning up the rest. */ |
b99457f0 | 360 | sr_err("sdi->priv was NULL, continuing."); |
f69b47f0 BV |
361 | ret = SR_ERR_BUG; |
362 | continue; | |
363 | } | |
25a0f108 | 364 | hw_dev_close(sdi); |
fabe59b3 | 365 | sr_usb_dev_inst_free(devc->usb); |
f69b47f0 BV |
366 | sdi = l->data; |
367 | sr_dev_inst_free(sdi); | |
368 | } | |
369 | ||
dc9dbe94 BV |
370 | g_slist_free(drvc->instances); |
371 | drvc->instances = NULL; | |
f69b47f0 BV |
372 | |
373 | return ret; | |
374 | } | |
375 | ||
34f06b90 | 376 | static int hw_init(struct sr_context *sr_ctx) |
61136ea6 | 377 | { |
063e7aef | 378 | return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN); |
61136ea6 BV |
379 | } |
380 | ||
3a7a22cb | 381 | static GSList *hw_scan(GSList *options) |
f302a082 | 382 | { |
3a7a22cb | 383 | GSList *devices; |
187b3582 | 384 | struct libusb_device_descriptor des; |
3a7a22cb | 385 | struct sr_dev_inst *sdi; |
da686568 | 386 | const struct fx2lafw_profile *prof; |
dc9dbe94 BV |
387 | struct drv_context *drvc; |
388 | struct dev_context *devc; | |
3a7a22cb | 389 | struct sr_probe *probe; |
187b3582 | 390 | libusb_device **devlist; |
3a7a22cb BV |
391 | int devcnt, num_logic_probes, ret, i, j; |
392 | ||
3a7a22cb | 393 | (void)options; |
64d33dc2 | 394 | |
a873c594 | 395 | drvc = di->priv; |
187b3582 | 396 | |
f69b47f0 BV |
397 | /* This scan always invalidates any previous scans. */ |
398 | clear_instances(); | |
399 | ||
921634ec | 400 | /* Find all fx2lafw compatible devices and upload firmware to them. */ |
3a7a22cb | 401 | devices = NULL; |
d4abb463 | 402 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
187b3582 JH |
403 | for (i = 0; devlist[i]; i++) { |
404 | ||
ebc34738 | 405 | if ((ret = libusb_get_device_descriptor( |
7ae2f9d5 | 406 | devlist[i], &des)) != 0) { |
f427daef | 407 | sr_warn("Failed to get device descriptor: %s.", |
d4928d71 | 408 | libusb_error_name(ret)); |
187b3582 JH |
409 | continue; |
410 | } | |
411 | ||
da686568 | 412 | prof = NULL; |
187b3582 JH |
413 | for (j = 0; supported_fx2[j].vid; j++) { |
414 | if (des.idVendor == supported_fx2[j].vid && | |
415 | des.idProduct == supported_fx2[j].pid) { | |
da686568 | 416 | prof = &supported_fx2[j]; |
187b3582 JH |
417 | } |
418 | } | |
419 | ||
b99457f0 | 420 | /* Skip if the device was not found. */ |
da686568 | 421 | if (!prof) |
187b3582 JH |
422 | continue; |
423 | ||
dc9dbe94 | 424 | devcnt = g_slist_length(drvc->instances); |
187b3582 | 425 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, |
da686568 | 426 | prof->vendor, prof->model, prof->model_version); |
f4a9e5c0 | 427 | if (!sdi) |
25a0f108 | 428 | return NULL; |
a873c594 | 429 | sdi->driver = di; |
187b3582 | 430 | |
06717a8a BV |
431 | /* Fill in probelist according to this device's profile. */ |
432 | num_logic_probes = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8; | |
c5e82ca5 | 433 | for (j = 0; j < num_logic_probes; j++) { |
06717a8a BV |
434 | if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE, |
435 | probe_names[j]))) | |
25a0f108 | 436 | return NULL; |
06717a8a BV |
437 | sdi->probes = g_slist_append(sdi->probes, probe); |
438 | } | |
439 | ||
dc9dbe94 BV |
440 | devc = fx2lafw_dev_new(); |
441 | devc->profile = prof; | |
442 | sdi->priv = devc; | |
443 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
a8cc8e44 | 444 | devices = g_slist_append(devices, sdi); |
187b3582 | 445 | |
b1eeb67e JH |
446 | if (check_conf_profile(devlist[i])) { |
447 | /* Already has the firmware, so fix the new address. */ | |
f427daef | 448 | sr_dbg("Found an fx2lafw device."); |
b1eeb67e | 449 | sdi->status = SR_ST_INACTIVE; |
dc9dbe94 | 450 | devc->usb = sr_usb_dev_inst_new |
b1eeb67e JH |
451 | (libusb_get_bus_number(devlist[i]), |
452 | libusb_get_device_address(devlist[i]), NULL); | |
453 | } else { | |
f8b07fc6 | 454 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
da686568 | 455 | prof->firmware) == SR_OK) |
b99457f0 | 456 | /* Store when this device's FW was updated. */ |
dc9dbe94 | 457 | devc->fw_updated = g_get_monotonic_time(); |
b1eeb67e | 458 | else |
f427daef | 459 | sr_err("Firmware upload failed for " |
7ae2f9d5 | 460 | "device %d.", devcnt); |
dc9dbe94 | 461 | devc->usb = sr_usb_dev_inst_new |
b1eeb67e JH |
462 | (libusb_get_bus_number(devlist[i]), 0xff, NULL); |
463 | } | |
187b3582 JH |
464 | } |
465 | libusb_free_device_list(devlist, 1); | |
466 | ||
3a7a22cb | 467 | return devices; |
f302a082 JH |
468 | } |
469 | ||
811deee4 BV |
470 | static GSList *hw_dev_list(void) |
471 | { | |
0e94d524 | 472 | return ((struct drv_context *)(di->priv))->instances; |
811deee4 BV |
473 | } |
474 | ||
25a0f108 | 475 | static int hw_dev_open(struct sr_dev_inst *sdi) |
f302a082 | 476 | { |
dc9dbe94 | 477 | struct dev_context *devc; |
e8bd58ff UH |
478 | int ret; |
479 | int64_t timediff_us, timediff_ms; | |
43125c69 | 480 | |
dc9dbe94 | 481 | devc = sdi->priv; |
43125c69 JH |
482 | |
483 | /* | |
f60fdf6e UH |
484 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
485 | * milliseconds for the FX2 to renumerate. | |
43125c69 | 486 | */ |
3b6c1930 | 487 | ret = SR_ERR; |
dc9dbe94 | 488 | if (devc->fw_updated > 0) { |
f427daef | 489 | sr_info("Waiting for device to reset."); |
b99457f0 | 490 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ |
43125c69 | 491 | g_usleep(300 * 1000); |
e8bd58ff | 492 | timediff_ms = 0; |
f60fdf6e | 493 | while (timediff_ms < MAX_RENUM_DELAY_MS) { |
25a0f108 | 494 | if ((ret = fx2lafw_dev_open(sdi)) == SR_OK) |
43125c69 JH |
495 | break; |
496 | g_usleep(100 * 1000); | |
e8bd58ff | 497 | |
dc9dbe94 | 498 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
3b6c1930 | 499 | timediff_ms = timediff_us / 1000; |
b99457f0 | 500 | sr_spew("Waited %" PRIi64 "ms.", timediff_ms); |
43125c69 | 501 | } |
443a14d8 AG |
502 | if (ret != SR_OK) { |
503 | sr_err("Device failed to renumerate."); | |
504 | return SR_ERR; | |
505 | } | |
c0bf69c2 | 506 | sr_info("Device came back after %" PRIi64 "ms.", timediff_ms); |
43125c69 | 507 | } else { |
443a14d8 | 508 | sr_info("Firmware upload was not needed."); |
25a0f108 | 509 | ret = fx2lafw_dev_open(sdi); |
43125c69 JH |
510 | } |
511 | ||
ebc34738 | 512 | if (ret != SR_OK) { |
f427daef | 513 | sr_err("Unable to open device."); |
43125c69 JH |
514 | return SR_ERR; |
515 | } | |
378abfea | 516 | |
dc9dbe94 | 517 | devc = sdi->priv; |
43125c69 | 518 | |
dc9dbe94 | 519 | ret = libusb_claim_interface(devc->usb->devhdl, USB_INTERFACE); |
ebc34738 | 520 | if (ret != 0) { |
0c156e06 JH |
521 | switch(ret) { |
522 | case LIBUSB_ERROR_BUSY: | |
f427daef | 523 | sr_err("Unable to claim USB interface. Another " |
b99457f0 | 524 | "program or driver has already claimed it."); |
0c156e06 | 525 | break; |
0c156e06 | 526 | case LIBUSB_ERROR_NO_DEVICE: |
f427daef | 527 | sr_err("Device has been disconnected."); |
0c156e06 | 528 | break; |
0c156e06 | 529 | default: |
f427daef | 530 | sr_err("Unable to claim interface: %s.", |
d4928d71 | 531 | libusb_error_name(ret)); |
0c156e06 JH |
532 | break; |
533 | } | |
534 | ||
43125c69 JH |
535 | return SR_ERR; |
536 | } | |
537 | ||
dc9dbe94 | 538 | if (devc->cur_samplerate == 0) { |
f92994fd | 539 | /* Samplerate hasn't been set; default to the slowest one. */ |
d6836bf1 | 540 | devc->cur_samplerate = samplerates[0]; |
f92994fd JH |
541 | } |
542 | ||
f302a082 JH |
543 | return SR_OK; |
544 | } | |
545 | ||
25a0f108 | 546 | static int hw_dev_close(struct sr_dev_inst *sdi) |
f302a082 | 547 | { |
dc9dbe94 | 548 | struct dev_context *devc; |
f1898235 | 549 | |
dc9dbe94 | 550 | devc = sdi->priv; |
961009b0 | 551 | |
dc9dbe94 | 552 | if (devc->usb->devhdl == NULL) |
25a0f108 | 553 | return SR_ERR; |
f1898235 | 554 | |
b99457f0 | 555 | sr_info("Closing device %d on %d.%d, interface %d.", |
dc9dbe94 BV |
556 | sdi->index, devc->usb->bus, devc->usb->address, USB_INTERFACE); |
557 | libusb_release_interface(devc->usb->devhdl, USB_INTERFACE); | |
558 | libusb_close(devc->usb->devhdl); | |
559 | devc->usb->devhdl = NULL; | |
25a0f108 | 560 | sdi->status = SR_ST_INACTIVE; |
f1898235 | 561 | |
f302a082 JH |
562 | return SR_OK; |
563 | } | |
564 | ||
565 | static int hw_cleanup(void) | |
566 | { | |
dc9dbe94 | 567 | struct drv_context *drvc; |
f69b47f0 | 568 | int ret; |
187b3582 | 569 | |
a873c594 | 570 | if (!(drvc = di->priv)) |
dc9dbe94 BV |
571 | return SR_OK; |
572 | ||
f69b47f0 | 573 | ret = clear_instances(); |
187b3582 | 574 | |
dc9dbe94 | 575 | g_free(drvc); |
a873c594 | 576 | di->priv = NULL; |
187b3582 | 577 | |
62bc70e4 | 578 | return ret; |
f302a082 JH |
579 | } |
580 | ||
d6836bf1 | 581 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi) |
f302a082 | 582 | { |
dc9dbe94 | 583 | struct dev_context *devc; |
8b35f474 | 584 | |
035a1078 | 585 | switch (id) { |
123e1313 | 586 | case SR_CONF_SAMPLERATE: |
6e9339aa | 587 | if (sdi) { |
dc9dbe94 | 588 | devc = sdi->priv; |
d6836bf1 | 589 | *data = g_variant_new_uint64(devc->cur_samplerate); |
6e9339aa BV |
590 | } else |
591 | return SR_ERR; | |
592 | break; | |
593 | default: | |
594 | return SR_ERR_ARG; | |
8b35f474 JH |
595 | } |
596 | ||
6e9339aa | 597 | return SR_OK; |
f302a082 JH |
598 | } |
599 | ||
d6836bf1 | 600 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi) |
f302a082 | 601 | { |
dc9dbe94 | 602 | struct dev_context *devc; |
7cb621d4 JH |
603 | int ret; |
604 | ||
dc9dbe94 | 605 | devc = sdi->priv; |
7cb621d4 | 606 | |
035a1078 | 607 | if (id == SR_CONF_SAMPLERATE) { |
d6836bf1 | 608 | devc->cur_samplerate = g_variant_get_uint64(data); |
e3186647 | 609 | ret = SR_OK; |
035a1078 | 610 | } else if (id == SR_CONF_LIMIT_SAMPLES) { |
d6836bf1 | 611 | devc->limit_samples = g_variant_get_uint64(data); |
7cb621d4 JH |
612 | ret = SR_OK; |
613 | } else { | |
614 | ret = SR_ERR; | |
615 | } | |
616 | ||
617 | return ret; | |
f302a082 JH |
618 | } |
619 | ||
d6836bf1 | 620 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) |
a1c743fc | 621 | { |
d6836bf1 BV |
622 | GVariant *gvar; |
623 | GVariantBuilder gvb; | |
a1c743fc BV |
624 | |
625 | (void)sdi; | |
626 | ||
627 | switch (key) { | |
9a6517d1 | 628 | case SR_CONF_DEVICE_OPTIONS: |
d6836bf1 BV |
629 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
630 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
9a6517d1 | 631 | break; |
a1c743fc | 632 | case SR_CONF_SAMPLERATE: |
d6836bf1 BV |
633 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); |
634 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
635 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
636 | g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar); | |
637 | *data = g_variant_builder_end(&gvb); | |
a1c743fc | 638 | break; |
c50277a6 | 639 | case SR_CONF_TRIGGER_TYPE: |
d6836bf1 | 640 | *data = g_variant_new_string(TRIGGER_TYPE); |
c50277a6 | 641 | break; |
a1c743fc BV |
642 | default: |
643 | return SR_ERR_ARG; | |
644 | } | |
645 | ||
646 | return SR_OK; | |
647 | } | |
648 | ||
1f9813eb | 649 | static int receive_data(int fd, int revents, void *cb_data) |
610dbb70 JH |
650 | { |
651 | struct timeval tv; | |
b99457f0 | 652 | struct drv_context *drvc; |
610dbb70 | 653 | |
610dbb70 JH |
654 | (void)fd; |
655 | (void)revents; | |
1f9813eb | 656 | (void)cb_data; |
610dbb70 | 657 | |
b99457f0 UH |
658 | drvc = di->priv; |
659 | ||
610dbb70 | 660 | tv.tv_sec = tv.tv_usec = 0; |
d4abb463 | 661 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
610dbb70 JH |
662 | |
663 | return TRUE; | |
664 | } | |
665 | ||
dc9dbe94 | 666 | static void abort_acquisition(struct dev_context *devc) |
cb61e9f7 | 667 | { |
e7d087bf | 668 | int i; |
0caa1ef0 | 669 | |
dc9dbe94 | 670 | devc->num_samples = -1; |
0caa1ef0 | 671 | |
dc9dbe94 BV |
672 | for (i = devc->num_transfers - 1; i >= 0; i--) { |
673 | if (devc->transfers[i]) | |
674 | libusb_cancel_transfer(devc->transfers[i]); | |
0caa1ef0 | 675 | } |
cb61e9f7 JH |
676 | } |
677 | ||
dc9dbe94 | 678 | static void finish_acquisition(struct dev_context *devc) |
2e526f4a JH |
679 | { |
680 | struct sr_datafeed_packet packet; | |
a873c594 | 681 | struct drv_context *drvc = di->priv; |
b99457f0 | 682 | const struct libusb_pollfd **lupfd; |
cb61e9f7 | 683 | int i; |
2e526f4a | 684 | |
b99457f0 | 685 | /* Terminate session. */ |
2e526f4a | 686 | packet.type = SR_DF_END; |
3e9b7f9c | 687 | sr_session_send(devc->cb_data, &packet); |
2e526f4a | 688 | |
b99457f0 UH |
689 | /* Remove fds from polling. */ |
690 | lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); | |
cb61e9f7 JH |
691 | for (i = 0; lupfd[i]; i++) |
692 | sr_source_remove(lupfd[i]->fd); | |
693 | free(lupfd); /* NOT g_free()! */ | |
0caa1ef0 | 694 | |
dc9dbe94 BV |
695 | devc->num_transfers = 0; |
696 | g_free(devc->transfers); | |
2e526f4a JH |
697 | } |
698 | ||
f855de75 LPC |
699 | static void free_transfer(struct libusb_transfer *transfer) |
700 | { | |
b99457f0 | 701 | struct dev_context *devc; |
0caa1ef0 | 702 | unsigned int i; |
f855de75 | 703 | |
b99457f0 UH |
704 | devc = transfer->user_data; |
705 | ||
f855de75 LPC |
706 | g_free(transfer->buffer); |
707 | transfer->buffer = NULL; | |
708 | libusb_free_transfer(transfer); | |
709 | ||
dc9dbe94 BV |
710 | for (i = 0; i < devc->num_transfers; i++) { |
711 | if (devc->transfers[i] == transfer) { | |
712 | devc->transfers[i] = NULL; | |
0caa1ef0 LPC |
713 | break; |
714 | } | |
715 | } | |
716 | ||
dc9dbe94 BV |
717 | devc->submitted_transfers--; |
718 | if (devc->submitted_transfers == 0) | |
719 | finish_acquisition(devc); | |
f855de75 LPC |
720 | } |
721 | ||
17dff8a1 LPC |
722 | static void resubmit_transfer(struct libusb_transfer *transfer) |
723 | { | |
b99457f0 | 724 | int ret; |
d4928d71 | 725 | |
b99457f0 | 726 | if ((ret = libusb_submit_transfer(transfer)) == LIBUSB_SUCCESS) |
d4928d71 PS |
727 | return; |
728 | ||
729 | free_transfer(transfer); | |
730 | /* TODO: Stop session? */ | |
731 | ||
f427daef | 732 | sr_err("%s: %s", __func__, libusb_error_name(ret)); |
17dff8a1 LPC |
733 | } |
734 | ||
610dbb70 JH |
735 | static void receive_transfer(struct libusb_transfer *transfer) |
736 | { | |
7ce737a7 | 737 | gboolean packet_has_error = FALSE; |
610dbb70 JH |
738 | struct sr_datafeed_packet packet; |
739 | struct sr_datafeed_logic logic; | |
b99457f0 UH |
740 | struct dev_context *devc; |
741 | int trigger_offset, i, sample_width, cur_sample_count; | |
742 | int trigger_offset_bytes; | |
743 | uint8_t *cur_buf; | |
744 | ||
745 | devc = transfer->user_data; | |
610dbb70 | 746 | |
610dbb70 JH |
747 | /* |
748 | * If acquisition has already ended, just free any queued up | |
749 | * transfer that come in. | |
750 | */ | |
dc9dbe94 | 751 | if (devc->num_samples == -1) { |
f855de75 | 752 | free_transfer(transfer); |
610dbb70 JH |
753 | return; |
754 | } | |
755 | ||
f427daef | 756 | sr_info("receive_transfer(): status %d received %d bytes.", |
610dbb70 JH |
757 | transfer->status, transfer->actual_length); |
758 | ||
759 | /* Save incoming transfer before reusing the transfer struct. */ | |
b99457f0 UH |
760 | cur_buf = transfer->buffer; |
761 | sample_width = devc->sample_wide ? 2 : 1; | |
762 | cur_sample_count = transfer->actual_length / sample_width; | |
610dbb70 | 763 | |
7ce737a7 LPC |
764 | switch (transfer->status) { |
765 | case LIBUSB_TRANSFER_NO_DEVICE: | |
dc9dbe94 | 766 | abort_acquisition(devc); |
7ce737a7 LPC |
767 | free_transfer(transfer); |
768 | return; | |
769 | case LIBUSB_TRANSFER_COMPLETED: | |
b99457f0 | 770 | case LIBUSB_TRANSFER_TIMED_OUT: /* We may have received some data though. */ |
7ce737a7 LPC |
771 | break; |
772 | default: | |
773 | packet_has_error = TRUE; | |
774 | break; | |
775 | } | |
776 | ||
777 | if (transfer->actual_length == 0 || packet_has_error) { | |
dc9dbe94 BV |
778 | devc->empty_transfer_count++; |
779 | if (devc->empty_transfer_count > MAX_EMPTY_TRANSFERS) { | |
610dbb70 JH |
780 | /* |
781 | * The FX2 gave up. End the acquisition, the frontend | |
782 | * will work out that the samplecount is short. | |
783 | */ | |
dc9dbe94 | 784 | abort_acquisition(devc); |
17dff8a1 LPC |
785 | free_transfer(transfer); |
786 | } else { | |
787 | resubmit_transfer(transfer); | |
610dbb70 JH |
788 | } |
789 | return; | |
790 | } else { | |
dc9dbe94 | 791 | devc->empty_transfer_count = 0; |
610dbb70 JH |
792 | } |
793 | ||
6c6781b6 | 794 | trigger_offset = 0; |
dc9dbe94 | 795 | if (devc->trigger_stage >= 0) { |
d1ddc7a9 JH |
796 | for (i = 0; i < cur_sample_count; i++) { |
797 | ||
dc9dbe94 | 798 | const uint16_t cur_sample = devc->sample_wide ? |
d1ddc7a9 JH |
799 | *((const uint16_t*)cur_buf + i) : |
800 | *((const uint8_t*)cur_buf + i); | |
6c6781b6 | 801 | |
dc9dbe94 BV |
802 | if ((cur_sample & devc->trigger_mask[devc->trigger_stage]) == |
803 | devc->trigger_value[devc->trigger_stage]) { | |
6c6781b6 | 804 | /* Match on this trigger stage. */ |
dc9dbe94 BV |
805 | devc->trigger_buffer[devc->trigger_stage] = cur_sample; |
806 | devc->trigger_stage++; | |
6c6781b6 | 807 | |
dc9dbe94 BV |
808 | if (devc->trigger_stage == NUM_TRIGGER_STAGES || |
809 | devc->trigger_mask[devc->trigger_stage] == 0) { | |
6c6781b6 JH |
810 | /* Match on all trigger stages, we're done. */ |
811 | trigger_offset = i + 1; | |
812 | ||
813 | /* | |
814 | * TODO: Send pre-trigger buffer to session bus. | |
815 | * Tell the frontend we hit the trigger here. | |
816 | */ | |
817 | packet.type = SR_DF_TRIGGER; | |
818 | packet.payload = NULL; | |
3e9b7f9c | 819 | sr_session_send(devc->cb_data, &packet); |
6c6781b6 JH |
820 | |
821 | /* | |
b99457f0 UH |
822 | * Send the samples that triggered it, |
823 | * since we're skipping past them. | |
6c6781b6 JH |
824 | */ |
825 | packet.type = SR_DF_LOGIC; | |
826 | packet.payload = &logic; | |
dc9dbe94 BV |
827 | logic.unitsize = sizeof(*devc->trigger_buffer); |
828 | logic.length = devc->trigger_stage * logic.unitsize; | |
829 | logic.data = devc->trigger_buffer; | |
3e9b7f9c | 830 | sr_session_send(devc->cb_data, &packet); |
6c6781b6 | 831 | |
dc9dbe94 | 832 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 JH |
833 | break; |
834 | } | |
dc9dbe94 | 835 | } else if (devc->trigger_stage > 0) { |
f3ab43a8 LPC |
836 | /* |
837 | * We had a match before, but not in the next sample. However, we may | |
838 | * have a match on this stage in the next bit -- trigger on 0001 will | |
839 | * fail on seeing 00001, so we need to go back to stage 0 -- but at | |
840 | * the next sample from the one that matched originally, which the | |
841 | * counter increment at the end of the loop takes care of. | |
842 | */ | |
dc9dbe94 | 843 | i -= devc->trigger_stage; |
6c6781b6 JH |
844 | if (i < -1) |
845 | i = -1; /* Oops, went back past this buffer. */ | |
846 | /* Reset trigger stage. */ | |
dc9dbe94 | 847 | devc->trigger_stage = 0; |
6c6781b6 JH |
848 | } |
849 | } | |
850 | } | |
610dbb70 | 851 | |
dc9dbe94 | 852 | if (devc->trigger_stage == TRIGGER_FIRED) { |
6c6781b6 | 853 | /* Send the incoming transfer to the session bus. */ |
b99457f0 | 854 | trigger_offset_bytes = trigger_offset * sample_width; |
6c6781b6 JH |
855 | packet.type = SR_DF_LOGIC; |
856 | packet.payload = &logic; | |
d1ddc7a9 JH |
857 | logic.length = transfer->actual_length - trigger_offset_bytes; |
858 | logic.unitsize = sample_width; | |
859 | logic.data = cur_buf + trigger_offset_bytes; | |
3e9b7f9c | 860 | sr_session_send(devc->cb_data, &packet); |
6c6781b6 | 861 | |
dc9dbe94 BV |
862 | devc->num_samples += cur_sample_count; |
863 | if (devc->limit_samples && | |
864 | (unsigned int)devc->num_samples > devc->limit_samples) { | |
865 | abort_acquisition(devc); | |
0caa1ef0 LPC |
866 | free_transfer(transfer); |
867 | return; | |
6c6781b6 JH |
868 | } |
869 | } else { | |
870 | /* | |
871 | * TODO: Buffer pre-trigger data in capture | |
872 | * ratio-sized buffer. | |
873 | */ | |
610dbb70 | 874 | } |
17dff8a1 LPC |
875 | |
876 | resubmit_transfer(transfer); | |
610dbb70 JH |
877 | } |
878 | ||
5af666a9 LPC |
879 | static unsigned int to_bytes_per_ms(unsigned int samplerate) |
880 | { | |
881 | return samplerate / 1000; | |
882 | } | |
883 | ||
dc9dbe94 | 884 | static size_t get_buffer_size(struct dev_context *devc) |
5af666a9 LPC |
885 | { |
886 | size_t s; | |
887 | ||
b99457f0 UH |
888 | /* |
889 | * The buffer should be large enough to hold 10ms of data and | |
890 | * a multiple of 512. | |
891 | */ | |
dc9dbe94 | 892 | s = 10 * to_bytes_per_ms(devc->cur_samplerate); |
5af666a9 LPC |
893 | return (s + 511) & ~511; |
894 | } | |
895 | ||
dc9dbe94 | 896 | static unsigned int get_number_of_transfers(struct dev_context *devc) |
5af666a9 LPC |
897 | { |
898 | unsigned int n; | |
899 | ||
b99457f0 | 900 | /* Total buffer size should be able to hold about 500ms of data. */ |
dc9dbe94 | 901 | n = 500 * to_bytes_per_ms(devc->cur_samplerate) / get_buffer_size(devc); |
5af666a9 LPC |
902 | |
903 | if (n > NUM_SIMUL_TRANSFERS) | |
904 | return NUM_SIMUL_TRANSFERS; | |
905 | ||
906 | return n; | |
907 | } | |
908 | ||
dc9dbe94 | 909 | static unsigned int get_timeout(struct dev_context *devc) |
5af666a9 LPC |
910 | { |
911 | size_t total_size; | |
912 | unsigned int timeout; | |
913 | ||
dc9dbe94 BV |
914 | total_size = get_buffer_size(devc) * get_number_of_transfers(devc); |
915 | timeout = total_size / to_bytes_per_ms(devc->cur_samplerate); | |
b99457f0 | 916 | return timeout + timeout / 4; /* Leave a headroom of 25% percent. */ |
5af666a9 LPC |
917 | } |
918 | ||
3ffb6964 BV |
919 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
920 | void *cb_data) | |
f302a082 | 921 | { |
dc9dbe94 | 922 | struct dev_context *devc; |
b99457f0 | 923 | struct drv_context *drvc; |
610dbb70 JH |
924 | struct libusb_transfer *transfer; |
925 | const struct libusb_pollfd **lupfd; | |
b99457f0 | 926 | unsigned int i, timeout, num_transfers; |
5af666a9 | 927 | int ret; |
610dbb70 | 928 | unsigned char *buf; |
b99457f0 | 929 | size_t size; |
610dbb70 | 930 | |
b99457f0 | 931 | drvc = di->priv; |
dc9dbe94 | 932 | devc = sdi->priv; |
b99457f0 | 933 | |
dc9dbe94 | 934 | if (devc->submitted_transfers != 0) |
c03f0450 LPC |
935 | return SR_ERR; |
936 | ||
014359e3 | 937 | if (configure_probes(sdi) != SR_OK) { |
b99457f0 | 938 | sr_err("Failed to configure probes."); |
014359e3 BV |
939 | return SR_ERR; |
940 | } | |
941 | ||
3e9b7f9c | 942 | devc->cb_data = cb_data; |
dc9dbe94 BV |
943 | devc->num_samples = 0; |
944 | devc->empty_transfer_count = 0; | |
610dbb70 | 945 | |
b99457f0 UH |
946 | timeout = get_timeout(devc); |
947 | num_transfers = get_number_of_transfers(devc); | |
948 | size = get_buffer_size(devc); | |
5af666a9 | 949 | |
dc9dbe94 | 950 | devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers); |
886a52b6 | 951 | if (!devc->transfers) { |
f427daef | 952 | sr_err("USB transfers malloc failed."); |
886a52b6 UH |
953 | return SR_ERR_MALLOC; |
954 | } | |
0caa1ef0 | 955 | |
dc9dbe94 | 956 | devc->num_transfers = num_transfers; |
0caa1ef0 | 957 | |
5af666a9 | 958 | for (i = 0; i < num_transfers; i++) { |
610dbb70 | 959 | if (!(buf = g_try_malloc(size))) { |
b99457f0 | 960 | sr_err("USB transfer buffer malloc failed."); |
610dbb70 JH |
961 | return SR_ERR_MALLOC; |
962 | } | |
963 | transfer = libusb_alloc_transfer(0); | |
dc9dbe94 | 964 | libusb_fill_bulk_transfer(transfer, devc->usb->devhdl, |
610dbb70 | 965 | 2 | LIBUSB_ENDPOINT_IN, buf, size, |
dc9dbe94 | 966 | receive_transfer, devc, timeout); |
d4928d71 | 967 | if ((ret = libusb_submit_transfer(transfer)) != 0) { |
b99457f0 UH |
968 | sr_err("Failed to submit transfer: %s.", |
969 | libusb_error_name(ret)); | |
610dbb70 JH |
970 | libusb_free_transfer(transfer); |
971 | g_free(buf); | |
dc9dbe94 | 972 | abort_acquisition(devc); |
610dbb70 JH |
973 | return SR_ERR; |
974 | } | |
dc9dbe94 BV |
975 | devc->transfers[i] = transfer; |
976 | devc->submitted_transfers++; | |
610dbb70 JH |
977 | } |
978 | ||
d4abb463 | 979 | lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); |
610dbb70 JH |
980 | for (i = 0; lupfd[i]; i++) |
981 | sr_source_add(lupfd[i]->fd, lupfd[i]->events, | |
5af666a9 | 982 | timeout, receive_data, NULL); |
610dbb70 JH |
983 | free(lupfd); /* NOT g_free()! */ |
984 | ||
4afdfd46 UH |
985 | /* Send header packet to the session bus. */ |
986 | std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN); | |
f366e86c | 987 | |
b99457f0 | 988 | if ((ret = command_start_acquisition(devc->usb->devhdl, |
dc9dbe94 BV |
989 | devc->cur_samplerate, devc->sample_wide)) != SR_OK) { |
990 | abort_acquisition(devc); | |
ebc34738 | 991 | return ret; |
017375d1 JH |
992 | } |
993 | ||
f302a082 JH |
994 | return SR_OK; |
995 | } | |
996 | ||
3cd3a20b | 997 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ |
69b07d14 | 998 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
f302a082 | 999 | { |
2e526f4a | 1000 | (void)cb_data; |
5da93902 | 1001 | |
2e526f4a | 1002 | abort_acquisition(sdi->priv); |
5da93902 | 1003 | |
f302a082 JH |
1004 | return SR_OK; |
1005 | } | |
1006 | ||
c09f0b57 | 1007 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { |
f302a082 | 1008 | .name = "fx2lafw", |
2e7cb004 | 1009 | .longname = "fx2lafw (generic driver for FX2 based LAs)", |
f302a082 JH |
1010 | .api_version = 1, |
1011 | .init = hw_init, | |
1012 | .cleanup = hw_cleanup, | |
61136ea6 | 1013 | .scan = hw_scan, |
811deee4 BV |
1014 | .dev_list = hw_dev_list, |
1015 | .dev_clear = clear_instances, | |
035a1078 BV |
1016 | .config_get = config_get, |
1017 | .config_set = config_set, | |
a1c743fc | 1018 | .config_list = config_list, |
f302a082 JH |
1019 | .dev_open = hw_dev_open, |
1020 | .dev_close = hw_dev_close, | |
f302a082 JH |
1021 | .dev_acquisition_start = hw_dev_acquisition_start, |
1022 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
dc9dbe94 | 1023 | .priv = NULL, |
f302a082 | 1024 | }; |