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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; | |
250a78c7 | 171 | struct sr_usb_dev_inst *usb; |
43125c69 | 172 | struct libusb_device_descriptor des; |
dc9dbe94 | 173 | struct dev_context *devc; |
b99457f0 | 174 | struct drv_context *drvc; |
13bf7ecc | 175 | struct version_info vi; |
b99457f0 | 176 | int ret, skip, i, device_count; |
1e94408a | 177 | uint8_t revid; |
43125c69 | 178 | |
b99457f0 | 179 | drvc = di->priv; |
dc9dbe94 | 180 | devc = sdi->priv; |
250a78c7 | 181 | usb = sdi->conn; |
43125c69 JH |
182 | |
183 | if (sdi->status == SR_ST_ACTIVE) | |
b99457f0 | 184 | /* Device is already in use. */ |
43125c69 JH |
185 | return SR_ERR; |
186 | ||
187 | skip = 0; | |
b99457f0 | 188 | device_count = libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
6fbe5e60 | 189 | if (device_count < 0) { |
b99457f0 UH |
190 | sr_err("Failed to get device list: %s.", |
191 | libusb_error_name(device_count)); | |
6fbe5e60 JH |
192 | return SR_ERR; |
193 | } | |
194 | ||
195 | for (i = 0; i < device_count; i++) { | |
ebc34738 | 196 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { |
f427daef | 197 | sr_err("Failed to get device descriptor: %s.", |
d4928d71 | 198 | libusb_error_name(ret)); |
43125c69 JH |
199 | continue; |
200 | } | |
201 | ||
dc9dbe94 BV |
202 | if (des.idVendor != devc->profile->vid |
203 | || des.idProduct != devc->profile->pid) | |
43125c69 JH |
204 | continue; |
205 | ||
206 | if (sdi->status == SR_ST_INITIALIZING) { | |
25a0f108 | 207 | if (skip != sdi->index) { |
43125c69 JH |
208 | /* Skip devices of this type that aren't the one we want. */ |
209 | skip += 1; | |
210 | continue; | |
211 | } | |
212 | } else if (sdi->status == SR_ST_INACTIVE) { | |
213 | /* | |
214 | * This device is fully enumerated, so we need to find | |
215 | * this device by vendor, product, bus and address. | |
216 | */ | |
250a78c7 BV |
217 | if (libusb_get_bus_number(devlist[i]) != usb->bus |
218 | || libusb_get_device_address(devlist[i]) != usb->address) | |
b99457f0 | 219 | /* This is not the one. */ |
43125c69 JH |
220 | continue; |
221 | } | |
222 | ||
250a78c7 BV |
223 | if (!(ret = libusb_open(devlist[i], &usb->devhdl))) { |
224 | if (usb->address == 0xff) | |
43125c69 | 225 | /* |
b99457f0 UH |
226 | * First time we touch this device after FW |
227 | * upload, so we don't know the address yet. | |
43125c69 | 228 | */ |
250a78c7 | 229 | usb->address = libusb_get_device_address(devlist[i]); |
43125c69 | 230 | } else { |
f427daef | 231 | sr_err("Failed to open device: %s.", |
d4928d71 | 232 | libusb_error_name(ret)); |
13bf7ecc JH |
233 | break; |
234 | } | |
235 | ||
250a78c7 | 236 | ret = command_get_fw_version(usb->devhdl, &vi); |
44dfd483 | 237 | if (ret != SR_OK) { |
b99457f0 | 238 | sr_err("Failed to get firmware version."); |
13bf7ecc | 239 | break; |
43125c69 JH |
240 | } |
241 | ||
250a78c7 | 242 | ret = command_get_revid_version(usb->devhdl, &revid); |
1e94408a | 243 | if (ret != SR_OK) { |
b99457f0 | 244 | sr_err("Failed to get REVID."); |
1e94408a UH |
245 | break; |
246 | } | |
247 | ||
0a8c0c32 UH |
248 | /* |
249 | * Changes in major version mean incompatible/API changes, so | |
250 | * bail out if we encounter an incompatible version. | |
251 | * Different minor versions are OK, they should be compatible. | |
252 | */ | |
253 | if (vi.major != FX2LAFW_REQUIRED_VERSION_MAJOR) { | |
f427daef | 254 | sr_err("Expected firmware version %d.x, " |
0a8c0c32 UH |
255 | "got %d.%d.", FX2LAFW_REQUIRED_VERSION_MAJOR, |
256 | vi.major, vi.minor); | |
13bf7ecc JH |
257 | break; |
258 | } | |
259 | ||
260 | sdi->status = SR_ST_ACTIVE; | |
b99457f0 | 261 | sr_info("Opened device %d on %d.%d, " |
cbc80f8f | 262 | "interface %d, firmware %d.%d.", |
250a78c7 | 263 | sdi->index, usb->bus, usb->address, |
cbc80f8f AG |
264 | USB_INTERFACE, vi.major, vi.minor); |
265 | ||
266 | sr_info("Detected REVID=%d, it's a Cypress CY7C68013%s.", | |
267 | revid, (revid != 1) ? " (FX2)" : "A (FX2LP)"); | |
13bf7ecc | 268 | |
43125c69 JH |
269 | break; |
270 | } | |
271 | libusb_free_device_list(devlist, 1); | |
272 | ||
273 | if (sdi->status != SR_ST_ACTIVE) | |
274 | return SR_ERR; | |
275 | ||
276 | return SR_OK; | |
277 | } | |
278 | ||
014359e3 | 279 | static int configure_probes(const struct sr_dev_inst *sdi) |
6c6781b6 | 280 | { |
014359e3 | 281 | struct dev_context *devc; |
6c6781b6 JH |
282 | struct sr_probe *probe; |
283 | GSList *l; | |
284 | int probe_bit, stage, i; | |
285 | char *tc; | |
286 | ||
014359e3 | 287 | devc = sdi->priv; |
6c6781b6 | 288 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { |
dc9dbe94 BV |
289 | devc->trigger_mask[i] = 0; |
290 | devc->trigger_value[i] = 0; | |
6c6781b6 JH |
291 | } |
292 | ||
293 | stage = -1; | |
014359e3 | 294 | for (l = sdi->probes; l; l = l->next) { |
6c6781b6 JH |
295 | probe = (struct sr_probe *)l->data; |
296 | if (probe->enabled == FALSE) | |
297 | continue; | |
d1ddc7a9 | 298 | |
b35c8293 | 299 | if (probe->index > 7) |
dc9dbe94 | 300 | devc->sample_wide = TRUE; |
d1ddc7a9 | 301 | |
b35c8293 | 302 | probe_bit = 1 << (probe->index); |
6c6781b6 JH |
303 | if (!(probe->trigger)) |
304 | continue; | |
305 | ||
306 | stage = 0; | |
307 | for (tc = probe->trigger; *tc; tc++) { | |
dc9dbe94 | 308 | devc->trigger_mask[stage] |= probe_bit; |
6c6781b6 | 309 | if (*tc == '1') |
dc9dbe94 | 310 | devc->trigger_value[stage] |= probe_bit; |
6c6781b6 JH |
311 | stage++; |
312 | if (stage > NUM_TRIGGER_STAGES) | |
313 | return SR_ERR; | |
314 | } | |
315 | } | |
316 | ||
317 | if (stage == -1) | |
318 | /* | |
319 | * We didn't configure any triggers, make sure acquisition | |
320 | * doesn't wait for any. | |
321 | */ | |
dc9dbe94 | 322 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 | 323 | else |
dc9dbe94 | 324 | devc->trigger_stage = 0; |
6c6781b6 JH |
325 | |
326 | return SR_OK; | |
327 | } | |
328 | ||
dc9dbe94 | 329 | static struct dev_context *fx2lafw_dev_new(void) |
187b3582 | 330 | { |
dc9dbe94 | 331 | struct dev_context *devc; |
187b3582 | 332 | |
dc9dbe94 | 333 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { |
b99457f0 | 334 | sr_err("Device context malloc failed."); |
187b3582 JH |
335 | return NULL; |
336 | } | |
337 | ||
dc9dbe94 | 338 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 | 339 | |
dc9dbe94 | 340 | return devc; |
187b3582 | 341 | } |
f302a082 | 342 | |
f69b47f0 BV |
343 | static int clear_instances(void) |
344 | { | |
72f9d6dc | 345 | return std_dev_clear(di, NULL); |
f69b47f0 BV |
346 | } |
347 | ||
34f06b90 | 348 | static int hw_init(struct sr_context *sr_ctx) |
61136ea6 | 349 | { |
063e7aef | 350 | return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN); |
61136ea6 BV |
351 | } |
352 | ||
3a7a22cb | 353 | static GSList *hw_scan(GSList *options) |
f302a082 | 354 | { |
dc9dbe94 BV |
355 | struct drv_context *drvc; |
356 | struct dev_context *devc; | |
754b5ff2 BV |
357 | struct sr_dev_inst *sdi; |
358 | struct sr_usb_dev_inst *usb; | |
3a7a22cb | 359 | struct sr_probe *probe; |
754b5ff2 BV |
360 | struct sr_config *src; |
361 | const struct fx2lafw_profile *prof; | |
362 | GSList *l, *devices, *conn_devices; | |
363 | struct libusb_device_descriptor des; | |
187b3582 | 364 | libusb_device **devlist; |
3a7a22cb | 365 | int devcnt, num_logic_probes, ret, i, j; |
754b5ff2 | 366 | const char *conn; |
3a7a22cb | 367 | |
3a7a22cb | 368 | (void)options; |
64d33dc2 | 369 | |
a873c594 | 370 | drvc = di->priv; |
187b3582 | 371 | |
f69b47f0 BV |
372 | /* This scan always invalidates any previous scans. */ |
373 | clear_instances(); | |
374 | ||
754b5ff2 BV |
375 | conn = NULL; |
376 | for (l = options; l; l = l->next) { | |
377 | src = l->data; | |
378 | switch (src->key) { | |
379 | case SR_CONF_CONN: | |
380 | conn = g_variant_get_string(src->data, NULL); | |
381 | break; | |
382 | } | |
383 | } | |
384 | if (conn) | |
385 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
386 | else | |
387 | conn_devices = NULL; | |
388 | ||
921634ec | 389 | /* Find all fx2lafw compatible devices and upload firmware to them. */ |
3a7a22cb | 390 | devices = NULL; |
d4abb463 | 391 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
187b3582 | 392 | for (i = 0; devlist[i]; i++) { |
754b5ff2 BV |
393 | if (conn) { |
394 | usb = NULL; | |
395 | for (l = conn_devices; l; l = l->next) { | |
396 | usb = l->data; | |
397 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
398 | && usb->address == libusb_get_device_address(devlist[i])) | |
399 | break; | |
400 | } | |
401 | if (!l) | |
402 | /* This device matched none of the ones that | |
403 | * matched the conn specification. */ | |
404 | continue; | |
405 | } | |
187b3582 | 406 | |
754b5ff2 | 407 | if ((ret = libusb_get_device_descriptor( devlist[i], &des)) != 0) { |
f427daef | 408 | sr_warn("Failed to get device descriptor: %s.", |
d4928d71 | 409 | libusb_error_name(ret)); |
187b3582 JH |
410 | continue; |
411 | } | |
412 | ||
da686568 | 413 | prof = NULL; |
187b3582 JH |
414 | for (j = 0; supported_fx2[j].vid; j++) { |
415 | if (des.idVendor == supported_fx2[j].vid && | |
416 | des.idProduct == supported_fx2[j].pid) { | |
da686568 | 417 | prof = &supported_fx2[j]; |
187b3582 JH |
418 | } |
419 | } | |
420 | ||
b99457f0 | 421 | /* Skip if the device was not found. */ |
da686568 | 422 | if (!prof) |
187b3582 JH |
423 | continue; |
424 | ||
dc9dbe94 | 425 | devcnt = g_slist_length(drvc->instances); |
187b3582 | 426 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, |
da686568 | 427 | prof->vendor, prof->model, prof->model_version); |
f4a9e5c0 | 428 | if (!sdi) |
25a0f108 | 429 | return NULL; |
a873c594 | 430 | sdi->driver = di; |
187b3582 | 431 | |
06717a8a BV |
432 | /* Fill in probelist according to this device's profile. */ |
433 | num_logic_probes = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8; | |
c5e82ca5 | 434 | for (j = 0; j < num_logic_probes; j++) { |
06717a8a BV |
435 | if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE, |
436 | probe_names[j]))) | |
25a0f108 | 437 | return NULL; |
06717a8a BV |
438 | sdi->probes = g_slist_append(sdi->probes, probe); |
439 | } | |
440 | ||
dc9dbe94 BV |
441 | devc = fx2lafw_dev_new(); |
442 | devc->profile = prof; | |
443 | sdi->priv = devc; | |
444 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
a8cc8e44 | 445 | devices = g_slist_append(devices, sdi); |
187b3582 | 446 | |
b1eeb67e JH |
447 | if (check_conf_profile(devlist[i])) { |
448 | /* Already has the firmware, so fix the new address. */ | |
f427daef | 449 | sr_dbg("Found an fx2lafw device."); |
b1eeb67e | 450 | sdi->status = SR_ST_INACTIVE; |
250a78c7 BV |
451 | sdi->inst_type = SR_INST_USB; |
452 | sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]), | |
453 | libusb_get_device_address(devlist[i]), NULL); | |
b1eeb67e | 454 | } else { |
f8b07fc6 | 455 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
da686568 | 456 | prof->firmware) == SR_OK) |
b99457f0 | 457 | /* Store when this device's FW was updated. */ |
dc9dbe94 | 458 | devc->fw_updated = g_get_monotonic_time(); |
b1eeb67e | 459 | else |
f427daef | 460 | sr_err("Firmware upload failed for " |
7ae2f9d5 | 461 | "device %d.", devcnt); |
250a78c7 BV |
462 | sdi->inst_type = SR_INST_USB; |
463 | sdi->conn = sr_usb_dev_inst_new (libusb_get_bus_number(devlist[i]), | |
464 | 0xff, NULL); | |
b1eeb67e | 465 | } |
187b3582 JH |
466 | } |
467 | libusb_free_device_list(devlist, 1); | |
468 | ||
3a7a22cb | 469 | return devices; |
f302a082 JH |
470 | } |
471 | ||
811deee4 BV |
472 | static GSList *hw_dev_list(void) |
473 | { | |
0e94d524 | 474 | return ((struct drv_context *)(di->priv))->instances; |
811deee4 BV |
475 | } |
476 | ||
25a0f108 | 477 | static int hw_dev_open(struct sr_dev_inst *sdi) |
f302a082 | 478 | { |
250a78c7 | 479 | struct sr_usb_dev_inst *usb; |
dc9dbe94 | 480 | struct dev_context *devc; |
e8bd58ff UH |
481 | int ret; |
482 | int64_t timediff_us, timediff_ms; | |
43125c69 | 483 | |
dc9dbe94 | 484 | devc = sdi->priv; |
250a78c7 | 485 | usb = sdi->conn; |
43125c69 JH |
486 | |
487 | /* | |
f60fdf6e UH |
488 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
489 | * milliseconds for the FX2 to renumerate. | |
43125c69 | 490 | */ |
3b6c1930 | 491 | ret = SR_ERR; |
dc9dbe94 | 492 | if (devc->fw_updated > 0) { |
f427daef | 493 | sr_info("Waiting for device to reset."); |
b99457f0 | 494 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ |
43125c69 | 495 | g_usleep(300 * 1000); |
e8bd58ff | 496 | timediff_ms = 0; |
f60fdf6e | 497 | while (timediff_ms < MAX_RENUM_DELAY_MS) { |
25a0f108 | 498 | if ((ret = fx2lafw_dev_open(sdi)) == SR_OK) |
43125c69 JH |
499 | break; |
500 | g_usleep(100 * 1000); | |
e8bd58ff | 501 | |
dc9dbe94 | 502 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
3b6c1930 | 503 | timediff_ms = timediff_us / 1000; |
b99457f0 | 504 | sr_spew("Waited %" PRIi64 "ms.", timediff_ms); |
43125c69 | 505 | } |
443a14d8 AG |
506 | if (ret != SR_OK) { |
507 | sr_err("Device failed to renumerate."); | |
508 | return SR_ERR; | |
509 | } | |
c0bf69c2 | 510 | sr_info("Device came back after %" PRIi64 "ms.", timediff_ms); |
43125c69 | 511 | } else { |
443a14d8 | 512 | sr_info("Firmware upload was not needed."); |
25a0f108 | 513 | ret = fx2lafw_dev_open(sdi); |
43125c69 JH |
514 | } |
515 | ||
ebc34738 | 516 | if (ret != SR_OK) { |
f427daef | 517 | sr_err("Unable to open device."); |
43125c69 JH |
518 | return SR_ERR; |
519 | } | |
378abfea | 520 | |
250a78c7 | 521 | ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
ebc34738 | 522 | if (ret != 0) { |
0c156e06 JH |
523 | switch(ret) { |
524 | case LIBUSB_ERROR_BUSY: | |
f427daef | 525 | sr_err("Unable to claim USB interface. Another " |
b99457f0 | 526 | "program or driver has already claimed it."); |
0c156e06 | 527 | break; |
0c156e06 | 528 | case LIBUSB_ERROR_NO_DEVICE: |
f427daef | 529 | sr_err("Device has been disconnected."); |
0c156e06 | 530 | break; |
0c156e06 | 531 | default: |
f427daef | 532 | sr_err("Unable to claim interface: %s.", |
d4928d71 | 533 | libusb_error_name(ret)); |
0c156e06 JH |
534 | break; |
535 | } | |
536 | ||
43125c69 JH |
537 | return SR_ERR; |
538 | } | |
539 | ||
dc9dbe94 | 540 | if (devc->cur_samplerate == 0) { |
f92994fd | 541 | /* Samplerate hasn't been set; default to the slowest one. */ |
d6836bf1 | 542 | devc->cur_samplerate = samplerates[0]; |
f92994fd JH |
543 | } |
544 | ||
f302a082 JH |
545 | return SR_OK; |
546 | } | |
547 | ||
25a0f108 | 548 | static int hw_dev_close(struct sr_dev_inst *sdi) |
f302a082 | 549 | { |
250a78c7 | 550 | struct sr_usb_dev_inst *usb; |
961009b0 | 551 | |
250a78c7 BV |
552 | usb = sdi->conn; |
553 | if (usb->devhdl == NULL) | |
25a0f108 | 554 | return SR_ERR; |
f1898235 | 555 | |
250a78c7 BV |
556 | sr_info("fx2lafw: Closing device %d on %d.%d interface %d.", |
557 | sdi->index, usb->bus, usb->address, USB_INTERFACE); | |
558 | libusb_release_interface(usb->devhdl, USB_INTERFACE); | |
559 | libusb_close(usb->devhdl); | |
560 | usb->devhdl = NULL; | |
25a0f108 | 561 | sdi->status = SR_ST_INACTIVE; |
f1898235 | 562 | |
f302a082 JH |
563 | return SR_OK; |
564 | } | |
565 | ||
566 | static int hw_cleanup(void) | |
567 | { | |
dc9dbe94 | 568 | struct drv_context *drvc; |
f69b47f0 | 569 | int ret; |
187b3582 | 570 | |
a873c594 | 571 | if (!(drvc = di->priv)) |
dc9dbe94 BV |
572 | return SR_OK; |
573 | ||
f69b47f0 | 574 | ret = clear_instances(); |
187b3582 | 575 | |
dc9dbe94 | 576 | g_free(drvc); |
a873c594 | 577 | di->priv = NULL; |
187b3582 | 578 | |
62bc70e4 | 579 | return ret; |
f302a082 JH |
580 | } |
581 | ||
d6836bf1 | 582 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi) |
f302a082 | 583 | { |
dc9dbe94 | 584 | struct dev_context *devc; |
8b35f474 | 585 | |
035a1078 | 586 | switch (id) { |
123e1313 | 587 | case SR_CONF_SAMPLERATE: |
6e9339aa | 588 | if (sdi) { |
dc9dbe94 | 589 | devc = sdi->priv; |
d6836bf1 | 590 | *data = g_variant_new_uint64(devc->cur_samplerate); |
6e9339aa BV |
591 | } else |
592 | return SR_ERR; | |
593 | break; | |
594 | default: | |
bd6fbf62 | 595 | return SR_ERR_NA; |
8b35f474 JH |
596 | } |
597 | ||
6e9339aa | 598 | return SR_OK; |
f302a082 JH |
599 | } |
600 | ||
d6836bf1 | 601 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi) |
f302a082 | 602 | { |
dc9dbe94 | 603 | struct dev_context *devc; |
7cb621d4 JH |
604 | int ret; |
605 | ||
dc9dbe94 | 606 | devc = sdi->priv; |
7cb621d4 | 607 | |
035a1078 | 608 | if (id == SR_CONF_SAMPLERATE) { |
d6836bf1 | 609 | devc->cur_samplerate = g_variant_get_uint64(data); |
e3186647 | 610 | ret = SR_OK; |
035a1078 | 611 | } else if (id == SR_CONF_LIMIT_SAMPLES) { |
d6836bf1 | 612 | devc->limit_samples = g_variant_get_uint64(data); |
7cb621d4 JH |
613 | ret = SR_OK; |
614 | } else { | |
bd6fbf62 | 615 | ret = SR_ERR_NA; |
7cb621d4 JH |
616 | } |
617 | ||
618 | return ret; | |
f302a082 JH |
619 | } |
620 | ||
d6836bf1 | 621 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) |
a1c743fc | 622 | { |
d6836bf1 BV |
623 | GVariant *gvar; |
624 | GVariantBuilder gvb; | |
a1c743fc BV |
625 | |
626 | (void)sdi; | |
627 | ||
628 | switch (key) { | |
9a6517d1 | 629 | case SR_CONF_DEVICE_OPTIONS: |
d6836bf1 BV |
630 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
631 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
9a6517d1 | 632 | break; |
a1c743fc | 633 | case SR_CONF_SAMPLERATE: |
d6836bf1 BV |
634 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); |
635 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
636 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
637 | g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar); | |
638 | *data = g_variant_builder_end(&gvb); | |
a1c743fc | 639 | break; |
c50277a6 | 640 | case SR_CONF_TRIGGER_TYPE: |
d6836bf1 | 641 | *data = g_variant_new_string(TRIGGER_TYPE); |
c50277a6 | 642 | break; |
a1c743fc | 643 | default: |
bd6fbf62 | 644 | return SR_ERR_NA; |
a1c743fc BV |
645 | } |
646 | ||
647 | return SR_OK; | |
648 | } | |
649 | ||
1f9813eb | 650 | static int receive_data(int fd, int revents, void *cb_data) |
610dbb70 JH |
651 | { |
652 | struct timeval tv; | |
b99457f0 | 653 | struct drv_context *drvc; |
610dbb70 | 654 | |
610dbb70 JH |
655 | (void)fd; |
656 | (void)revents; | |
1f9813eb | 657 | (void)cb_data; |
610dbb70 | 658 | |
b99457f0 UH |
659 | drvc = di->priv; |
660 | ||
610dbb70 | 661 | tv.tv_sec = tv.tv_usec = 0; |
d4abb463 | 662 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
610dbb70 JH |
663 | |
664 | return TRUE; | |
665 | } | |
666 | ||
dc9dbe94 | 667 | static void abort_acquisition(struct dev_context *devc) |
cb61e9f7 | 668 | { |
e7d087bf | 669 | int i; |
0caa1ef0 | 670 | |
dc9dbe94 | 671 | devc->num_samples = -1; |
0caa1ef0 | 672 | |
dc9dbe94 BV |
673 | for (i = devc->num_transfers - 1; i >= 0; i--) { |
674 | if (devc->transfers[i]) | |
675 | libusb_cancel_transfer(devc->transfers[i]); | |
0caa1ef0 | 676 | } |
cb61e9f7 JH |
677 | } |
678 | ||
dc9dbe94 | 679 | static void finish_acquisition(struct dev_context *devc) |
2e526f4a JH |
680 | { |
681 | struct sr_datafeed_packet packet; | |
a873c594 | 682 | struct drv_context *drvc = di->priv; |
b99457f0 | 683 | const struct libusb_pollfd **lupfd; |
cb61e9f7 | 684 | int i; |
2e526f4a | 685 | |
b99457f0 | 686 | /* Terminate session. */ |
2e526f4a | 687 | packet.type = SR_DF_END; |
3e9b7f9c | 688 | sr_session_send(devc->cb_data, &packet); |
2e526f4a | 689 | |
b99457f0 UH |
690 | /* Remove fds from polling. */ |
691 | lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); | |
cb61e9f7 JH |
692 | for (i = 0; lupfd[i]; i++) |
693 | sr_source_remove(lupfd[i]->fd); | |
694 | free(lupfd); /* NOT g_free()! */ | |
0caa1ef0 | 695 | |
dc9dbe94 BV |
696 | devc->num_transfers = 0; |
697 | g_free(devc->transfers); | |
2e526f4a JH |
698 | } |
699 | ||
f855de75 LPC |
700 | static void free_transfer(struct libusb_transfer *transfer) |
701 | { | |
b99457f0 | 702 | struct dev_context *devc; |
0caa1ef0 | 703 | unsigned int i; |
f855de75 | 704 | |
b99457f0 UH |
705 | devc = transfer->user_data; |
706 | ||
f855de75 LPC |
707 | g_free(transfer->buffer); |
708 | transfer->buffer = NULL; | |
709 | libusb_free_transfer(transfer); | |
710 | ||
dc9dbe94 BV |
711 | for (i = 0; i < devc->num_transfers; i++) { |
712 | if (devc->transfers[i] == transfer) { | |
713 | devc->transfers[i] = NULL; | |
0caa1ef0 LPC |
714 | break; |
715 | } | |
716 | } | |
717 | ||
dc9dbe94 BV |
718 | devc->submitted_transfers--; |
719 | if (devc->submitted_transfers == 0) | |
720 | finish_acquisition(devc); | |
f855de75 LPC |
721 | } |
722 | ||
17dff8a1 LPC |
723 | static void resubmit_transfer(struct libusb_transfer *transfer) |
724 | { | |
b99457f0 | 725 | int ret; |
d4928d71 | 726 | |
b99457f0 | 727 | if ((ret = libusb_submit_transfer(transfer)) == LIBUSB_SUCCESS) |
d4928d71 PS |
728 | return; |
729 | ||
730 | free_transfer(transfer); | |
731 | /* TODO: Stop session? */ | |
732 | ||
f427daef | 733 | sr_err("%s: %s", __func__, libusb_error_name(ret)); |
17dff8a1 LPC |
734 | } |
735 | ||
610dbb70 JH |
736 | static void receive_transfer(struct libusb_transfer *transfer) |
737 | { | |
7ce737a7 | 738 | gboolean packet_has_error = FALSE; |
610dbb70 JH |
739 | struct sr_datafeed_packet packet; |
740 | struct sr_datafeed_logic logic; | |
b99457f0 UH |
741 | struct dev_context *devc; |
742 | int trigger_offset, i, sample_width, cur_sample_count; | |
743 | int trigger_offset_bytes; | |
744 | uint8_t *cur_buf; | |
745 | ||
746 | devc = transfer->user_data; | |
610dbb70 | 747 | |
610dbb70 JH |
748 | /* |
749 | * If acquisition has already ended, just free any queued up | |
750 | * transfer that come in. | |
751 | */ | |
dc9dbe94 | 752 | if (devc->num_samples == -1) { |
f855de75 | 753 | free_transfer(transfer); |
610dbb70 JH |
754 | return; |
755 | } | |
756 | ||
f427daef | 757 | sr_info("receive_transfer(): status %d received %d bytes.", |
610dbb70 JH |
758 | transfer->status, transfer->actual_length); |
759 | ||
760 | /* Save incoming transfer before reusing the transfer struct. */ | |
b99457f0 UH |
761 | cur_buf = transfer->buffer; |
762 | sample_width = devc->sample_wide ? 2 : 1; | |
763 | cur_sample_count = transfer->actual_length / sample_width; | |
610dbb70 | 764 | |
7ce737a7 LPC |
765 | switch (transfer->status) { |
766 | case LIBUSB_TRANSFER_NO_DEVICE: | |
dc9dbe94 | 767 | abort_acquisition(devc); |
7ce737a7 LPC |
768 | free_transfer(transfer); |
769 | return; | |
770 | case LIBUSB_TRANSFER_COMPLETED: | |
b99457f0 | 771 | case LIBUSB_TRANSFER_TIMED_OUT: /* We may have received some data though. */ |
7ce737a7 LPC |
772 | break; |
773 | default: | |
774 | packet_has_error = TRUE; | |
775 | break; | |
776 | } | |
777 | ||
778 | if (transfer->actual_length == 0 || packet_has_error) { | |
dc9dbe94 BV |
779 | devc->empty_transfer_count++; |
780 | if (devc->empty_transfer_count > MAX_EMPTY_TRANSFERS) { | |
610dbb70 JH |
781 | /* |
782 | * The FX2 gave up. End the acquisition, the frontend | |
783 | * will work out that the samplecount is short. | |
784 | */ | |
dc9dbe94 | 785 | abort_acquisition(devc); |
17dff8a1 LPC |
786 | free_transfer(transfer); |
787 | } else { | |
788 | resubmit_transfer(transfer); | |
610dbb70 JH |
789 | } |
790 | return; | |
791 | } else { | |
dc9dbe94 | 792 | devc->empty_transfer_count = 0; |
610dbb70 JH |
793 | } |
794 | ||
6c6781b6 | 795 | trigger_offset = 0; |
dc9dbe94 | 796 | if (devc->trigger_stage >= 0) { |
d1ddc7a9 JH |
797 | for (i = 0; i < cur_sample_count; i++) { |
798 | ||
dc9dbe94 | 799 | const uint16_t cur_sample = devc->sample_wide ? |
d1ddc7a9 JH |
800 | *((const uint16_t*)cur_buf + i) : |
801 | *((const uint8_t*)cur_buf + i); | |
6c6781b6 | 802 | |
dc9dbe94 BV |
803 | if ((cur_sample & devc->trigger_mask[devc->trigger_stage]) == |
804 | devc->trigger_value[devc->trigger_stage]) { | |
6c6781b6 | 805 | /* Match on this trigger stage. */ |
dc9dbe94 BV |
806 | devc->trigger_buffer[devc->trigger_stage] = cur_sample; |
807 | devc->trigger_stage++; | |
6c6781b6 | 808 | |
dc9dbe94 BV |
809 | if (devc->trigger_stage == NUM_TRIGGER_STAGES || |
810 | devc->trigger_mask[devc->trigger_stage] == 0) { | |
6c6781b6 JH |
811 | /* Match on all trigger stages, we're done. */ |
812 | trigger_offset = i + 1; | |
813 | ||
814 | /* | |
815 | * TODO: Send pre-trigger buffer to session bus. | |
816 | * Tell the frontend we hit the trigger here. | |
817 | */ | |
818 | packet.type = SR_DF_TRIGGER; | |
819 | packet.payload = NULL; | |
3e9b7f9c | 820 | sr_session_send(devc->cb_data, &packet); |
6c6781b6 JH |
821 | |
822 | /* | |
b99457f0 UH |
823 | * Send the samples that triggered it, |
824 | * since we're skipping past them. | |
6c6781b6 JH |
825 | */ |
826 | packet.type = SR_DF_LOGIC; | |
827 | packet.payload = &logic; | |
dc9dbe94 BV |
828 | logic.unitsize = sizeof(*devc->trigger_buffer); |
829 | logic.length = devc->trigger_stage * logic.unitsize; | |
830 | logic.data = devc->trigger_buffer; | |
3e9b7f9c | 831 | sr_session_send(devc->cb_data, &packet); |
6c6781b6 | 832 | |
dc9dbe94 | 833 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 JH |
834 | break; |
835 | } | |
dc9dbe94 | 836 | } else if (devc->trigger_stage > 0) { |
f3ab43a8 LPC |
837 | /* |
838 | * We had a match before, but not in the next sample. However, we may | |
839 | * have a match on this stage in the next bit -- trigger on 0001 will | |
840 | * fail on seeing 00001, so we need to go back to stage 0 -- but at | |
841 | * the next sample from the one that matched originally, which the | |
842 | * counter increment at the end of the loop takes care of. | |
843 | */ | |
dc9dbe94 | 844 | i -= devc->trigger_stage; |
6c6781b6 JH |
845 | if (i < -1) |
846 | i = -1; /* Oops, went back past this buffer. */ | |
847 | /* Reset trigger stage. */ | |
dc9dbe94 | 848 | devc->trigger_stage = 0; |
6c6781b6 JH |
849 | } |
850 | } | |
851 | } | |
610dbb70 | 852 | |
dc9dbe94 | 853 | if (devc->trigger_stage == TRIGGER_FIRED) { |
6c6781b6 | 854 | /* Send the incoming transfer to the session bus. */ |
b99457f0 | 855 | trigger_offset_bytes = trigger_offset * sample_width; |
6c6781b6 JH |
856 | packet.type = SR_DF_LOGIC; |
857 | packet.payload = &logic; | |
d1ddc7a9 JH |
858 | logic.length = transfer->actual_length - trigger_offset_bytes; |
859 | logic.unitsize = sample_width; | |
860 | logic.data = cur_buf + trigger_offset_bytes; | |
3e9b7f9c | 861 | sr_session_send(devc->cb_data, &packet); |
6c6781b6 | 862 | |
dc9dbe94 BV |
863 | devc->num_samples += cur_sample_count; |
864 | if (devc->limit_samples && | |
865 | (unsigned int)devc->num_samples > devc->limit_samples) { | |
866 | abort_acquisition(devc); | |
0caa1ef0 LPC |
867 | free_transfer(transfer); |
868 | return; | |
6c6781b6 JH |
869 | } |
870 | } else { | |
871 | /* | |
872 | * TODO: Buffer pre-trigger data in capture | |
873 | * ratio-sized buffer. | |
874 | */ | |
610dbb70 | 875 | } |
17dff8a1 LPC |
876 | |
877 | resubmit_transfer(transfer); | |
610dbb70 JH |
878 | } |
879 | ||
5af666a9 LPC |
880 | static unsigned int to_bytes_per_ms(unsigned int samplerate) |
881 | { | |
882 | return samplerate / 1000; | |
883 | } | |
884 | ||
dc9dbe94 | 885 | static size_t get_buffer_size(struct dev_context *devc) |
5af666a9 LPC |
886 | { |
887 | size_t s; | |
888 | ||
b99457f0 UH |
889 | /* |
890 | * The buffer should be large enough to hold 10ms of data and | |
891 | * a multiple of 512. | |
892 | */ | |
dc9dbe94 | 893 | s = 10 * to_bytes_per_ms(devc->cur_samplerate); |
5af666a9 LPC |
894 | return (s + 511) & ~511; |
895 | } | |
896 | ||
dc9dbe94 | 897 | static unsigned int get_number_of_transfers(struct dev_context *devc) |
5af666a9 LPC |
898 | { |
899 | unsigned int n; | |
900 | ||
b99457f0 | 901 | /* Total buffer size should be able to hold about 500ms of data. */ |
dc9dbe94 | 902 | n = 500 * to_bytes_per_ms(devc->cur_samplerate) / get_buffer_size(devc); |
5af666a9 LPC |
903 | |
904 | if (n > NUM_SIMUL_TRANSFERS) | |
905 | return NUM_SIMUL_TRANSFERS; | |
906 | ||
907 | return n; | |
908 | } | |
909 | ||
dc9dbe94 | 910 | static unsigned int get_timeout(struct dev_context *devc) |
5af666a9 LPC |
911 | { |
912 | size_t total_size; | |
913 | unsigned int timeout; | |
914 | ||
dc9dbe94 BV |
915 | total_size = get_buffer_size(devc) * get_number_of_transfers(devc); |
916 | timeout = total_size / to_bytes_per_ms(devc->cur_samplerate); | |
b99457f0 | 917 | return timeout + timeout / 4; /* Leave a headroom of 25% percent. */ |
5af666a9 LPC |
918 | } |
919 | ||
3ffb6964 BV |
920 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
921 | void *cb_data) | |
f302a082 | 922 | { |
dc9dbe94 | 923 | struct dev_context *devc; |
b99457f0 | 924 | struct drv_context *drvc; |
250a78c7 | 925 | struct sr_usb_dev_inst *usb; |
610dbb70 JH |
926 | struct libusb_transfer *transfer; |
927 | const struct libusb_pollfd **lupfd; | |
b99457f0 | 928 | unsigned int i, timeout, num_transfers; |
5af666a9 | 929 | int ret; |
610dbb70 | 930 | unsigned char *buf; |
b99457f0 | 931 | size_t size; |
610dbb70 | 932 | |
b99457f0 | 933 | drvc = di->priv; |
dc9dbe94 | 934 | devc = sdi->priv; |
250a78c7 | 935 | usb = sdi->conn; |
b99457f0 | 936 | |
dc9dbe94 | 937 | if (devc->submitted_transfers != 0) |
c03f0450 LPC |
938 | return SR_ERR; |
939 | ||
014359e3 | 940 | if (configure_probes(sdi) != SR_OK) { |
b99457f0 | 941 | sr_err("Failed to configure probes."); |
014359e3 BV |
942 | return SR_ERR; |
943 | } | |
944 | ||
3e9b7f9c | 945 | devc->cb_data = cb_data; |
dc9dbe94 BV |
946 | devc->num_samples = 0; |
947 | devc->empty_transfer_count = 0; | |
610dbb70 | 948 | |
b99457f0 UH |
949 | timeout = get_timeout(devc); |
950 | num_transfers = get_number_of_transfers(devc); | |
951 | size = get_buffer_size(devc); | |
5af666a9 | 952 | |
dc9dbe94 | 953 | devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers); |
886a52b6 | 954 | if (!devc->transfers) { |
f427daef | 955 | sr_err("USB transfers malloc failed."); |
886a52b6 UH |
956 | return SR_ERR_MALLOC; |
957 | } | |
0caa1ef0 | 958 | |
dc9dbe94 | 959 | devc->num_transfers = num_transfers; |
0caa1ef0 | 960 | |
5af666a9 | 961 | for (i = 0; i < num_transfers; i++) { |
610dbb70 | 962 | if (!(buf = g_try_malloc(size))) { |
b99457f0 | 963 | sr_err("USB transfer buffer malloc failed."); |
610dbb70 JH |
964 | return SR_ERR_MALLOC; |
965 | } | |
966 | transfer = libusb_alloc_transfer(0); | |
250a78c7 | 967 | libusb_fill_bulk_transfer(transfer, usb->devhdl, |
610dbb70 | 968 | 2 | LIBUSB_ENDPOINT_IN, buf, size, |
dc9dbe94 | 969 | receive_transfer, devc, timeout); |
d4928d71 | 970 | if ((ret = libusb_submit_transfer(transfer)) != 0) { |
b99457f0 UH |
971 | sr_err("Failed to submit transfer: %s.", |
972 | libusb_error_name(ret)); | |
610dbb70 JH |
973 | libusb_free_transfer(transfer); |
974 | g_free(buf); | |
dc9dbe94 | 975 | abort_acquisition(devc); |
610dbb70 JH |
976 | return SR_ERR; |
977 | } | |
dc9dbe94 BV |
978 | devc->transfers[i] = transfer; |
979 | devc->submitted_transfers++; | |
610dbb70 JH |
980 | } |
981 | ||
d4abb463 | 982 | lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); |
610dbb70 JH |
983 | for (i = 0; lupfd[i]; i++) |
984 | sr_source_add(lupfd[i]->fd, lupfd[i]->events, | |
5af666a9 | 985 | timeout, receive_data, NULL); |
610dbb70 JH |
986 | free(lupfd); /* NOT g_free()! */ |
987 | ||
4afdfd46 UH |
988 | /* Send header packet to the session bus. */ |
989 | std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN); | |
f366e86c | 990 | |
250a78c7 | 991 | if ((ret = command_start_acquisition (usb->devhdl, |
dc9dbe94 BV |
992 | devc->cur_samplerate, devc->sample_wide)) != SR_OK) { |
993 | abort_acquisition(devc); | |
ebc34738 | 994 | return ret; |
017375d1 JH |
995 | } |
996 | ||
f302a082 JH |
997 | return SR_OK; |
998 | } | |
999 | ||
3cd3a20b | 1000 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ |
69b07d14 | 1001 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
f302a082 | 1002 | { |
2e526f4a | 1003 | (void)cb_data; |
5da93902 | 1004 | |
2e526f4a | 1005 | abort_acquisition(sdi->priv); |
5da93902 | 1006 | |
f302a082 JH |
1007 | return SR_OK; |
1008 | } | |
1009 | ||
c09f0b57 | 1010 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { |
f302a082 | 1011 | .name = "fx2lafw", |
2e7cb004 | 1012 | .longname = "fx2lafw (generic driver for FX2 based LAs)", |
f302a082 JH |
1013 | .api_version = 1, |
1014 | .init = hw_init, | |
1015 | .cleanup = hw_cleanup, | |
61136ea6 | 1016 | .scan = hw_scan, |
811deee4 BV |
1017 | .dev_list = hw_dev_list, |
1018 | .dev_clear = clear_instances, | |
035a1078 BV |
1019 | .config_get = config_get, |
1020 | .config_set = config_set, | |
a1c743fc | 1021 | .config_list = config_list, |
f302a082 JH |
1022 | .dev_open = hw_dev_open, |
1023 | .dev_close = hw_dev_close, | |
f302a082 JH |
1024 | .dev_acquisition_start = hw_dev_acquisition_start, |
1025 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
dc9dbe94 | 1026 | .priv = NULL, |
f302a082 | 1027 | }; |