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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 | { |
dc9dbe94 BV |
383 | struct drv_context *drvc; |
384 | struct dev_context *devc; | |
754b5ff2 BV |
385 | struct sr_dev_inst *sdi; |
386 | struct sr_usb_dev_inst *usb; | |
3a7a22cb | 387 | struct sr_probe *probe; |
754b5ff2 BV |
388 | struct sr_config *src; |
389 | const struct fx2lafw_profile *prof; | |
390 | GSList *l, *devices, *conn_devices; | |
391 | struct libusb_device_descriptor des; | |
187b3582 | 392 | libusb_device **devlist; |
3a7a22cb | 393 | int devcnt, num_logic_probes, ret, i, j; |
754b5ff2 | 394 | const char *conn; |
3a7a22cb | 395 | |
3a7a22cb | 396 | (void)options; |
64d33dc2 | 397 | |
a873c594 | 398 | drvc = di->priv; |
187b3582 | 399 | |
f69b47f0 BV |
400 | /* This scan always invalidates any previous scans. */ |
401 | clear_instances(); | |
402 | ||
754b5ff2 BV |
403 | conn = NULL; |
404 | for (l = options; l; l = l->next) { | |
405 | src = l->data; | |
406 | switch (src->key) { | |
407 | case SR_CONF_CONN: | |
408 | conn = g_variant_get_string(src->data, NULL); | |
409 | break; | |
410 | } | |
411 | } | |
412 | if (conn) | |
413 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
414 | else | |
415 | conn_devices = NULL; | |
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 | 420 | for (i = 0; devlist[i]; i++) { |
754b5ff2 BV |
421 | if (conn) { |
422 | usb = NULL; | |
423 | for (l = conn_devices; l; l = l->next) { | |
424 | usb = l->data; | |
425 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
426 | && usb->address == libusb_get_device_address(devlist[i])) | |
427 | break; | |
428 | } | |
429 | if (!l) | |
430 | /* This device matched none of the ones that | |
431 | * matched the conn specification. */ | |
432 | continue; | |
433 | } | |
187b3582 | 434 | |
754b5ff2 | 435 | if ((ret = libusb_get_device_descriptor( devlist[i], &des)) != 0) { |
f427daef | 436 | sr_warn("Failed to get device descriptor: %s.", |
d4928d71 | 437 | libusb_error_name(ret)); |
187b3582 JH |
438 | continue; |
439 | } | |
440 | ||
da686568 | 441 | prof = NULL; |
187b3582 JH |
442 | for (j = 0; supported_fx2[j].vid; j++) { |
443 | if (des.idVendor == supported_fx2[j].vid && | |
444 | des.idProduct == supported_fx2[j].pid) { | |
da686568 | 445 | prof = &supported_fx2[j]; |
187b3582 JH |
446 | } |
447 | } | |
448 | ||
b99457f0 | 449 | /* Skip if the device was not found. */ |
da686568 | 450 | if (!prof) |
187b3582 JH |
451 | continue; |
452 | ||
dc9dbe94 | 453 | devcnt = g_slist_length(drvc->instances); |
187b3582 | 454 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, |
da686568 | 455 | prof->vendor, prof->model, prof->model_version); |
f4a9e5c0 | 456 | if (!sdi) |
25a0f108 | 457 | return NULL; |
a873c594 | 458 | sdi->driver = di; |
187b3582 | 459 | |
06717a8a BV |
460 | /* Fill in probelist according to this device's profile. */ |
461 | num_logic_probes = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8; | |
c5e82ca5 | 462 | for (j = 0; j < num_logic_probes; j++) { |
06717a8a BV |
463 | if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE, |
464 | probe_names[j]))) | |
25a0f108 | 465 | return NULL; |
06717a8a BV |
466 | sdi->probes = g_slist_append(sdi->probes, probe); |
467 | } | |
468 | ||
dc9dbe94 BV |
469 | devc = fx2lafw_dev_new(); |
470 | devc->profile = prof; | |
471 | sdi->priv = devc; | |
472 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
a8cc8e44 | 473 | devices = g_slist_append(devices, sdi); |
187b3582 | 474 | |
b1eeb67e JH |
475 | if (check_conf_profile(devlist[i])) { |
476 | /* Already has the firmware, so fix the new address. */ | |
f427daef | 477 | sr_dbg("Found an fx2lafw device."); |
b1eeb67e | 478 | sdi->status = SR_ST_INACTIVE; |
dc9dbe94 | 479 | devc->usb = sr_usb_dev_inst_new |
b1eeb67e JH |
480 | (libusb_get_bus_number(devlist[i]), |
481 | libusb_get_device_address(devlist[i]), NULL); | |
482 | } else { | |
f8b07fc6 | 483 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
da686568 | 484 | prof->firmware) == SR_OK) |
b99457f0 | 485 | /* Store when this device's FW was updated. */ |
dc9dbe94 | 486 | devc->fw_updated = g_get_monotonic_time(); |
b1eeb67e | 487 | else |
f427daef | 488 | sr_err("Firmware upload failed for " |
7ae2f9d5 | 489 | "device %d.", devcnt); |
dc9dbe94 | 490 | devc->usb = sr_usb_dev_inst_new |
b1eeb67e JH |
491 | (libusb_get_bus_number(devlist[i]), 0xff, NULL); |
492 | } | |
187b3582 JH |
493 | } |
494 | libusb_free_device_list(devlist, 1); | |
495 | ||
3a7a22cb | 496 | return devices; |
f302a082 JH |
497 | } |
498 | ||
811deee4 BV |
499 | static GSList *hw_dev_list(void) |
500 | { | |
0e94d524 | 501 | return ((struct drv_context *)(di->priv))->instances; |
811deee4 BV |
502 | } |
503 | ||
25a0f108 | 504 | static int hw_dev_open(struct sr_dev_inst *sdi) |
f302a082 | 505 | { |
dc9dbe94 | 506 | struct dev_context *devc; |
e8bd58ff UH |
507 | int ret; |
508 | int64_t timediff_us, timediff_ms; | |
43125c69 | 509 | |
dc9dbe94 | 510 | devc = sdi->priv; |
43125c69 JH |
511 | |
512 | /* | |
f60fdf6e UH |
513 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
514 | * milliseconds for the FX2 to renumerate. | |
43125c69 | 515 | */ |
3b6c1930 | 516 | ret = SR_ERR; |
dc9dbe94 | 517 | if (devc->fw_updated > 0) { |
f427daef | 518 | sr_info("Waiting for device to reset."); |
b99457f0 | 519 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ |
43125c69 | 520 | g_usleep(300 * 1000); |
e8bd58ff | 521 | timediff_ms = 0; |
f60fdf6e | 522 | while (timediff_ms < MAX_RENUM_DELAY_MS) { |
25a0f108 | 523 | if ((ret = fx2lafw_dev_open(sdi)) == SR_OK) |
43125c69 JH |
524 | break; |
525 | g_usleep(100 * 1000); | |
e8bd58ff | 526 | |
dc9dbe94 | 527 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
3b6c1930 | 528 | timediff_ms = timediff_us / 1000; |
b99457f0 | 529 | sr_spew("Waited %" PRIi64 "ms.", timediff_ms); |
43125c69 | 530 | } |
443a14d8 AG |
531 | if (ret != SR_OK) { |
532 | sr_err("Device failed to renumerate."); | |
533 | return SR_ERR; | |
534 | } | |
c0bf69c2 | 535 | sr_info("Device came back after %" PRIi64 "ms.", timediff_ms); |
43125c69 | 536 | } else { |
443a14d8 | 537 | sr_info("Firmware upload was not needed."); |
25a0f108 | 538 | ret = fx2lafw_dev_open(sdi); |
43125c69 JH |
539 | } |
540 | ||
ebc34738 | 541 | if (ret != SR_OK) { |
f427daef | 542 | sr_err("Unable to open device."); |
43125c69 JH |
543 | return SR_ERR; |
544 | } | |
378abfea | 545 | |
dc9dbe94 | 546 | devc = sdi->priv; |
43125c69 | 547 | |
dc9dbe94 | 548 | ret = libusb_claim_interface(devc->usb->devhdl, USB_INTERFACE); |
ebc34738 | 549 | if (ret != 0) { |
0c156e06 JH |
550 | switch(ret) { |
551 | case LIBUSB_ERROR_BUSY: | |
f427daef | 552 | sr_err("Unable to claim USB interface. Another " |
b99457f0 | 553 | "program or driver has already claimed it."); |
0c156e06 | 554 | break; |
0c156e06 | 555 | case LIBUSB_ERROR_NO_DEVICE: |
f427daef | 556 | sr_err("Device has been disconnected."); |
0c156e06 | 557 | break; |
0c156e06 | 558 | default: |
f427daef | 559 | sr_err("Unable to claim interface: %s.", |
d4928d71 | 560 | libusb_error_name(ret)); |
0c156e06 JH |
561 | break; |
562 | } | |
563 | ||
43125c69 JH |
564 | return SR_ERR; |
565 | } | |
566 | ||
dc9dbe94 | 567 | if (devc->cur_samplerate == 0) { |
f92994fd | 568 | /* Samplerate hasn't been set; default to the slowest one. */ |
d6836bf1 | 569 | devc->cur_samplerate = samplerates[0]; |
f92994fd JH |
570 | } |
571 | ||
f302a082 JH |
572 | return SR_OK; |
573 | } | |
574 | ||
25a0f108 | 575 | static int hw_dev_close(struct sr_dev_inst *sdi) |
f302a082 | 576 | { |
dc9dbe94 | 577 | struct dev_context *devc; |
f1898235 | 578 | |
dc9dbe94 | 579 | devc = sdi->priv; |
961009b0 | 580 | |
dc9dbe94 | 581 | if (devc->usb->devhdl == NULL) |
25a0f108 | 582 | return SR_ERR; |
f1898235 | 583 | |
b99457f0 | 584 | sr_info("Closing device %d on %d.%d, interface %d.", |
dc9dbe94 BV |
585 | sdi->index, devc->usb->bus, devc->usb->address, USB_INTERFACE); |
586 | libusb_release_interface(devc->usb->devhdl, USB_INTERFACE); | |
587 | libusb_close(devc->usb->devhdl); | |
588 | devc->usb->devhdl = NULL; | |
25a0f108 | 589 | sdi->status = SR_ST_INACTIVE; |
f1898235 | 590 | |
f302a082 JH |
591 | return SR_OK; |
592 | } | |
593 | ||
594 | static int hw_cleanup(void) | |
595 | { | |
dc9dbe94 | 596 | struct drv_context *drvc; |
f69b47f0 | 597 | int ret; |
187b3582 | 598 | |
a873c594 | 599 | if (!(drvc = di->priv)) |
dc9dbe94 BV |
600 | return SR_OK; |
601 | ||
f69b47f0 | 602 | ret = clear_instances(); |
187b3582 | 603 | |
dc9dbe94 | 604 | g_free(drvc); |
a873c594 | 605 | di->priv = NULL; |
187b3582 | 606 | |
62bc70e4 | 607 | return ret; |
f302a082 JH |
608 | } |
609 | ||
d6836bf1 | 610 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi) |
f302a082 | 611 | { |
dc9dbe94 | 612 | struct dev_context *devc; |
8b35f474 | 613 | |
035a1078 | 614 | switch (id) { |
123e1313 | 615 | case SR_CONF_SAMPLERATE: |
6e9339aa | 616 | if (sdi) { |
dc9dbe94 | 617 | devc = sdi->priv; |
d6836bf1 | 618 | *data = g_variant_new_uint64(devc->cur_samplerate); |
6e9339aa BV |
619 | } else |
620 | return SR_ERR; | |
621 | break; | |
622 | default: | |
bd6fbf62 | 623 | return SR_ERR_NA; |
8b35f474 JH |
624 | } |
625 | ||
6e9339aa | 626 | return SR_OK; |
f302a082 JH |
627 | } |
628 | ||
d6836bf1 | 629 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi) |
f302a082 | 630 | { |
dc9dbe94 | 631 | struct dev_context *devc; |
7cb621d4 JH |
632 | int ret; |
633 | ||
dc9dbe94 | 634 | devc = sdi->priv; |
7cb621d4 | 635 | |
035a1078 | 636 | if (id == SR_CONF_SAMPLERATE) { |
d6836bf1 | 637 | devc->cur_samplerate = g_variant_get_uint64(data); |
e3186647 | 638 | ret = SR_OK; |
035a1078 | 639 | } else if (id == SR_CONF_LIMIT_SAMPLES) { |
d6836bf1 | 640 | devc->limit_samples = g_variant_get_uint64(data); |
7cb621d4 JH |
641 | ret = SR_OK; |
642 | } else { | |
bd6fbf62 | 643 | ret = SR_ERR_NA; |
7cb621d4 JH |
644 | } |
645 | ||
646 | return ret; | |
f302a082 JH |
647 | } |
648 | ||
d6836bf1 | 649 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) |
a1c743fc | 650 | { |
d6836bf1 BV |
651 | GVariant *gvar; |
652 | GVariantBuilder gvb; | |
a1c743fc BV |
653 | |
654 | (void)sdi; | |
655 | ||
656 | switch (key) { | |
9a6517d1 | 657 | case SR_CONF_DEVICE_OPTIONS: |
d6836bf1 BV |
658 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
659 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
9a6517d1 | 660 | break; |
a1c743fc | 661 | case SR_CONF_SAMPLERATE: |
d6836bf1 BV |
662 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); |
663 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
664 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
665 | g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar); | |
666 | *data = g_variant_builder_end(&gvb); | |
a1c743fc | 667 | break; |
c50277a6 | 668 | case SR_CONF_TRIGGER_TYPE: |
d6836bf1 | 669 | *data = g_variant_new_string(TRIGGER_TYPE); |
c50277a6 | 670 | break; |
a1c743fc | 671 | default: |
bd6fbf62 | 672 | return SR_ERR_NA; |
a1c743fc BV |
673 | } |
674 | ||
675 | return SR_OK; | |
676 | } | |
677 | ||
1f9813eb | 678 | static int receive_data(int fd, int revents, void *cb_data) |
610dbb70 JH |
679 | { |
680 | struct timeval tv; | |
b99457f0 | 681 | struct drv_context *drvc; |
610dbb70 | 682 | |
610dbb70 JH |
683 | (void)fd; |
684 | (void)revents; | |
1f9813eb | 685 | (void)cb_data; |
610dbb70 | 686 | |
b99457f0 UH |
687 | drvc = di->priv; |
688 | ||
610dbb70 | 689 | tv.tv_sec = tv.tv_usec = 0; |
d4abb463 | 690 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
610dbb70 JH |
691 | |
692 | return TRUE; | |
693 | } | |
694 | ||
dc9dbe94 | 695 | static void abort_acquisition(struct dev_context *devc) |
cb61e9f7 | 696 | { |
e7d087bf | 697 | int i; |
0caa1ef0 | 698 | |
dc9dbe94 | 699 | devc->num_samples = -1; |
0caa1ef0 | 700 | |
dc9dbe94 BV |
701 | for (i = devc->num_transfers - 1; i >= 0; i--) { |
702 | if (devc->transfers[i]) | |
703 | libusb_cancel_transfer(devc->transfers[i]); | |
0caa1ef0 | 704 | } |
cb61e9f7 JH |
705 | } |
706 | ||
dc9dbe94 | 707 | static void finish_acquisition(struct dev_context *devc) |
2e526f4a JH |
708 | { |
709 | struct sr_datafeed_packet packet; | |
a873c594 | 710 | struct drv_context *drvc = di->priv; |
b99457f0 | 711 | const struct libusb_pollfd **lupfd; |
cb61e9f7 | 712 | int i; |
2e526f4a | 713 | |
b99457f0 | 714 | /* Terminate session. */ |
2e526f4a | 715 | packet.type = SR_DF_END; |
3e9b7f9c | 716 | sr_session_send(devc->cb_data, &packet); |
2e526f4a | 717 | |
b99457f0 UH |
718 | /* Remove fds from polling. */ |
719 | lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); | |
cb61e9f7 JH |
720 | for (i = 0; lupfd[i]; i++) |
721 | sr_source_remove(lupfd[i]->fd); | |
722 | free(lupfd); /* NOT g_free()! */ | |
0caa1ef0 | 723 | |
dc9dbe94 BV |
724 | devc->num_transfers = 0; |
725 | g_free(devc->transfers); | |
2e526f4a JH |
726 | } |
727 | ||
f855de75 LPC |
728 | static void free_transfer(struct libusb_transfer *transfer) |
729 | { | |
b99457f0 | 730 | struct dev_context *devc; |
0caa1ef0 | 731 | unsigned int i; |
f855de75 | 732 | |
b99457f0 UH |
733 | devc = transfer->user_data; |
734 | ||
f855de75 LPC |
735 | g_free(transfer->buffer); |
736 | transfer->buffer = NULL; | |
737 | libusb_free_transfer(transfer); | |
738 | ||
dc9dbe94 BV |
739 | for (i = 0; i < devc->num_transfers; i++) { |
740 | if (devc->transfers[i] == transfer) { | |
741 | devc->transfers[i] = NULL; | |
0caa1ef0 LPC |
742 | break; |
743 | } | |
744 | } | |
745 | ||
dc9dbe94 BV |
746 | devc->submitted_transfers--; |
747 | if (devc->submitted_transfers == 0) | |
748 | finish_acquisition(devc); | |
f855de75 LPC |
749 | } |
750 | ||
17dff8a1 LPC |
751 | static void resubmit_transfer(struct libusb_transfer *transfer) |
752 | { | |
b99457f0 | 753 | int ret; |
d4928d71 | 754 | |
b99457f0 | 755 | if ((ret = libusb_submit_transfer(transfer)) == LIBUSB_SUCCESS) |
d4928d71 PS |
756 | return; |
757 | ||
758 | free_transfer(transfer); | |
759 | /* TODO: Stop session? */ | |
760 | ||
f427daef | 761 | sr_err("%s: %s", __func__, libusb_error_name(ret)); |
17dff8a1 LPC |
762 | } |
763 | ||
610dbb70 JH |
764 | static void receive_transfer(struct libusb_transfer *transfer) |
765 | { | |
7ce737a7 | 766 | gboolean packet_has_error = FALSE; |
610dbb70 JH |
767 | struct sr_datafeed_packet packet; |
768 | struct sr_datafeed_logic logic; | |
b99457f0 UH |
769 | struct dev_context *devc; |
770 | int trigger_offset, i, sample_width, cur_sample_count; | |
771 | int trigger_offset_bytes; | |
772 | uint8_t *cur_buf; | |
773 | ||
774 | devc = transfer->user_data; | |
610dbb70 | 775 | |
610dbb70 JH |
776 | /* |
777 | * If acquisition has already ended, just free any queued up | |
778 | * transfer that come in. | |
779 | */ | |
dc9dbe94 | 780 | if (devc->num_samples == -1) { |
f855de75 | 781 | free_transfer(transfer); |
610dbb70 JH |
782 | return; |
783 | } | |
784 | ||
f427daef | 785 | sr_info("receive_transfer(): status %d received %d bytes.", |
610dbb70 JH |
786 | transfer->status, transfer->actual_length); |
787 | ||
788 | /* Save incoming transfer before reusing the transfer struct. */ | |
b99457f0 UH |
789 | cur_buf = transfer->buffer; |
790 | sample_width = devc->sample_wide ? 2 : 1; | |
791 | cur_sample_count = transfer->actual_length / sample_width; | |
610dbb70 | 792 | |
7ce737a7 LPC |
793 | switch (transfer->status) { |
794 | case LIBUSB_TRANSFER_NO_DEVICE: | |
dc9dbe94 | 795 | abort_acquisition(devc); |
7ce737a7 LPC |
796 | free_transfer(transfer); |
797 | return; | |
798 | case LIBUSB_TRANSFER_COMPLETED: | |
b99457f0 | 799 | case LIBUSB_TRANSFER_TIMED_OUT: /* We may have received some data though. */ |
7ce737a7 LPC |
800 | break; |
801 | default: | |
802 | packet_has_error = TRUE; | |
803 | break; | |
804 | } | |
805 | ||
806 | if (transfer->actual_length == 0 || packet_has_error) { | |
dc9dbe94 BV |
807 | devc->empty_transfer_count++; |
808 | if (devc->empty_transfer_count > MAX_EMPTY_TRANSFERS) { | |
610dbb70 JH |
809 | /* |
810 | * The FX2 gave up. End the acquisition, the frontend | |
811 | * will work out that the samplecount is short. | |
812 | */ | |
dc9dbe94 | 813 | abort_acquisition(devc); |
17dff8a1 LPC |
814 | free_transfer(transfer); |
815 | } else { | |
816 | resubmit_transfer(transfer); | |
610dbb70 JH |
817 | } |
818 | return; | |
819 | } else { | |
dc9dbe94 | 820 | devc->empty_transfer_count = 0; |
610dbb70 JH |
821 | } |
822 | ||
6c6781b6 | 823 | trigger_offset = 0; |
dc9dbe94 | 824 | if (devc->trigger_stage >= 0) { |
d1ddc7a9 JH |
825 | for (i = 0; i < cur_sample_count; i++) { |
826 | ||
dc9dbe94 | 827 | const uint16_t cur_sample = devc->sample_wide ? |
d1ddc7a9 JH |
828 | *((const uint16_t*)cur_buf + i) : |
829 | *((const uint8_t*)cur_buf + i); | |
6c6781b6 | 830 | |
dc9dbe94 BV |
831 | if ((cur_sample & devc->trigger_mask[devc->trigger_stage]) == |
832 | devc->trigger_value[devc->trigger_stage]) { | |
6c6781b6 | 833 | /* Match on this trigger stage. */ |
dc9dbe94 BV |
834 | devc->trigger_buffer[devc->trigger_stage] = cur_sample; |
835 | devc->trigger_stage++; | |
6c6781b6 | 836 | |
dc9dbe94 BV |
837 | if (devc->trigger_stage == NUM_TRIGGER_STAGES || |
838 | devc->trigger_mask[devc->trigger_stage] == 0) { | |
6c6781b6 JH |
839 | /* Match on all trigger stages, we're done. */ |
840 | trigger_offset = i + 1; | |
841 | ||
842 | /* | |
843 | * TODO: Send pre-trigger buffer to session bus. | |
844 | * Tell the frontend we hit the trigger here. | |
845 | */ | |
846 | packet.type = SR_DF_TRIGGER; | |
847 | packet.payload = NULL; | |
3e9b7f9c | 848 | sr_session_send(devc->cb_data, &packet); |
6c6781b6 JH |
849 | |
850 | /* | |
b99457f0 UH |
851 | * Send the samples that triggered it, |
852 | * since we're skipping past them. | |
6c6781b6 JH |
853 | */ |
854 | packet.type = SR_DF_LOGIC; | |
855 | packet.payload = &logic; | |
dc9dbe94 BV |
856 | logic.unitsize = sizeof(*devc->trigger_buffer); |
857 | logic.length = devc->trigger_stage * logic.unitsize; | |
858 | logic.data = devc->trigger_buffer; | |
3e9b7f9c | 859 | sr_session_send(devc->cb_data, &packet); |
6c6781b6 | 860 | |
dc9dbe94 | 861 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 JH |
862 | break; |
863 | } | |
dc9dbe94 | 864 | } else if (devc->trigger_stage > 0) { |
f3ab43a8 LPC |
865 | /* |
866 | * We had a match before, but not in the next sample. However, we may | |
867 | * have a match on this stage in the next bit -- trigger on 0001 will | |
868 | * fail on seeing 00001, so we need to go back to stage 0 -- but at | |
869 | * the next sample from the one that matched originally, which the | |
870 | * counter increment at the end of the loop takes care of. | |
871 | */ | |
dc9dbe94 | 872 | i -= devc->trigger_stage; |
6c6781b6 JH |
873 | if (i < -1) |
874 | i = -1; /* Oops, went back past this buffer. */ | |
875 | /* Reset trigger stage. */ | |
dc9dbe94 | 876 | devc->trigger_stage = 0; |
6c6781b6 JH |
877 | } |
878 | } | |
879 | } | |
610dbb70 | 880 | |
dc9dbe94 | 881 | if (devc->trigger_stage == TRIGGER_FIRED) { |
6c6781b6 | 882 | /* Send the incoming transfer to the session bus. */ |
b99457f0 | 883 | trigger_offset_bytes = trigger_offset * sample_width; |
6c6781b6 JH |
884 | packet.type = SR_DF_LOGIC; |
885 | packet.payload = &logic; | |
d1ddc7a9 JH |
886 | logic.length = transfer->actual_length - trigger_offset_bytes; |
887 | logic.unitsize = sample_width; | |
888 | logic.data = cur_buf + trigger_offset_bytes; | |
3e9b7f9c | 889 | sr_session_send(devc->cb_data, &packet); |
6c6781b6 | 890 | |
dc9dbe94 BV |
891 | devc->num_samples += cur_sample_count; |
892 | if (devc->limit_samples && | |
893 | (unsigned int)devc->num_samples > devc->limit_samples) { | |
894 | abort_acquisition(devc); | |
0caa1ef0 LPC |
895 | free_transfer(transfer); |
896 | return; | |
6c6781b6 JH |
897 | } |
898 | } else { | |
899 | /* | |
900 | * TODO: Buffer pre-trigger data in capture | |
901 | * ratio-sized buffer. | |
902 | */ | |
610dbb70 | 903 | } |
17dff8a1 LPC |
904 | |
905 | resubmit_transfer(transfer); | |
610dbb70 JH |
906 | } |
907 | ||
5af666a9 LPC |
908 | static unsigned int to_bytes_per_ms(unsigned int samplerate) |
909 | { | |
910 | return samplerate / 1000; | |
911 | } | |
912 | ||
dc9dbe94 | 913 | static size_t get_buffer_size(struct dev_context *devc) |
5af666a9 LPC |
914 | { |
915 | size_t s; | |
916 | ||
b99457f0 UH |
917 | /* |
918 | * The buffer should be large enough to hold 10ms of data and | |
919 | * a multiple of 512. | |
920 | */ | |
dc9dbe94 | 921 | s = 10 * to_bytes_per_ms(devc->cur_samplerate); |
5af666a9 LPC |
922 | return (s + 511) & ~511; |
923 | } | |
924 | ||
dc9dbe94 | 925 | static unsigned int get_number_of_transfers(struct dev_context *devc) |
5af666a9 LPC |
926 | { |
927 | unsigned int n; | |
928 | ||
b99457f0 | 929 | /* Total buffer size should be able to hold about 500ms of data. */ |
dc9dbe94 | 930 | n = 500 * to_bytes_per_ms(devc->cur_samplerate) / get_buffer_size(devc); |
5af666a9 LPC |
931 | |
932 | if (n > NUM_SIMUL_TRANSFERS) | |
933 | return NUM_SIMUL_TRANSFERS; | |
934 | ||
935 | return n; | |
936 | } | |
937 | ||
dc9dbe94 | 938 | static unsigned int get_timeout(struct dev_context *devc) |
5af666a9 LPC |
939 | { |
940 | size_t total_size; | |
941 | unsigned int timeout; | |
942 | ||
dc9dbe94 BV |
943 | total_size = get_buffer_size(devc) * get_number_of_transfers(devc); |
944 | timeout = total_size / to_bytes_per_ms(devc->cur_samplerate); | |
b99457f0 | 945 | return timeout + timeout / 4; /* Leave a headroom of 25% percent. */ |
5af666a9 LPC |
946 | } |
947 | ||
3ffb6964 BV |
948 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
949 | void *cb_data) | |
f302a082 | 950 | { |
dc9dbe94 | 951 | struct dev_context *devc; |
b99457f0 | 952 | struct drv_context *drvc; |
610dbb70 JH |
953 | struct libusb_transfer *transfer; |
954 | const struct libusb_pollfd **lupfd; | |
b99457f0 | 955 | unsigned int i, timeout, num_transfers; |
5af666a9 | 956 | int ret; |
610dbb70 | 957 | unsigned char *buf; |
b99457f0 | 958 | size_t size; |
610dbb70 | 959 | |
b99457f0 | 960 | drvc = di->priv; |
dc9dbe94 | 961 | devc = sdi->priv; |
b99457f0 | 962 | |
dc9dbe94 | 963 | if (devc->submitted_transfers != 0) |
c03f0450 LPC |
964 | return SR_ERR; |
965 | ||
014359e3 | 966 | if (configure_probes(sdi) != SR_OK) { |
b99457f0 | 967 | sr_err("Failed to configure probes."); |
014359e3 BV |
968 | return SR_ERR; |
969 | } | |
970 | ||
3e9b7f9c | 971 | devc->cb_data = cb_data; |
dc9dbe94 BV |
972 | devc->num_samples = 0; |
973 | devc->empty_transfer_count = 0; | |
610dbb70 | 974 | |
b99457f0 UH |
975 | timeout = get_timeout(devc); |
976 | num_transfers = get_number_of_transfers(devc); | |
977 | size = get_buffer_size(devc); | |
5af666a9 | 978 | |
dc9dbe94 | 979 | devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers); |
886a52b6 | 980 | if (!devc->transfers) { |
f427daef | 981 | sr_err("USB transfers malloc failed."); |
886a52b6 UH |
982 | return SR_ERR_MALLOC; |
983 | } | |
0caa1ef0 | 984 | |
dc9dbe94 | 985 | devc->num_transfers = num_transfers; |
0caa1ef0 | 986 | |
5af666a9 | 987 | for (i = 0; i < num_transfers; i++) { |
610dbb70 | 988 | if (!(buf = g_try_malloc(size))) { |
b99457f0 | 989 | sr_err("USB transfer buffer malloc failed."); |
610dbb70 JH |
990 | return SR_ERR_MALLOC; |
991 | } | |
992 | transfer = libusb_alloc_transfer(0); | |
dc9dbe94 | 993 | libusb_fill_bulk_transfer(transfer, devc->usb->devhdl, |
610dbb70 | 994 | 2 | LIBUSB_ENDPOINT_IN, buf, size, |
dc9dbe94 | 995 | receive_transfer, devc, timeout); |
d4928d71 | 996 | if ((ret = libusb_submit_transfer(transfer)) != 0) { |
b99457f0 UH |
997 | sr_err("Failed to submit transfer: %s.", |
998 | libusb_error_name(ret)); | |
610dbb70 JH |
999 | libusb_free_transfer(transfer); |
1000 | g_free(buf); | |
dc9dbe94 | 1001 | abort_acquisition(devc); |
610dbb70 JH |
1002 | return SR_ERR; |
1003 | } | |
dc9dbe94 BV |
1004 | devc->transfers[i] = transfer; |
1005 | devc->submitted_transfers++; | |
610dbb70 JH |
1006 | } |
1007 | ||
d4abb463 | 1008 | lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); |
610dbb70 JH |
1009 | for (i = 0; lupfd[i]; i++) |
1010 | sr_source_add(lupfd[i]->fd, lupfd[i]->events, | |
5af666a9 | 1011 | timeout, receive_data, NULL); |
610dbb70 JH |
1012 | free(lupfd); /* NOT g_free()! */ |
1013 | ||
4afdfd46 UH |
1014 | /* Send header packet to the session bus. */ |
1015 | std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN); | |
f366e86c | 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, | |
035a1078 BV |
1045 | .config_get = config_get, |
1046 | .config_set = config_set, | |
a1c743fc | 1047 | .config_list = config_list, |
f302a082 JH |
1048 | .dev_open = hw_dev_open, |
1049 | .dev_close = hw_dev_close, | |
f302a082 JH |
1050 | .dev_acquisition_start = hw_dev_acquisition_start, |
1051 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
dc9dbe94 | 1052 | .priv = NULL, |
f302a082 | 1053 | }; |