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Commit | Line | Data |
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f302a082 | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
f302a082 | 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 | ||
89befd46 BV |
84 | static const int32_t hwopts[] = { |
85 | SR_CONF_CONN, | |
86 | }; | |
87 | ||
d6836bf1 | 88 | static const int32_t hwcaps[] = { |
1953564a | 89 | SR_CONF_LOGIC_ANALYZER, |
d6836bf1 | 90 | SR_CONF_TRIGGER_TYPE, |
1953564a | 91 | SR_CONF_SAMPLERATE, |
8b35f474 JH |
92 | |
93 | /* These are really implemented in the driver, not the hardware. */ | |
1953564a BV |
94 | SR_CONF_LIMIT_SAMPLES, |
95 | SR_CONF_CONTINUOUS, | |
8b35f474 JH |
96 | }; |
97 | ||
da686568 | 98 | static const char *probe_names[] = { |
b36e7153 | 99 | "0", "1", "2", "3", "4", "5", "6", "7", |
78693401 UH |
100 | "8", "9", "10", "11", "12", "13", "14", "15", |
101 | NULL, | |
8b35f474 JH |
102 | }; |
103 | ||
d6836bf1 | 104 | static const uint64_t samplerates[] = { |
79dc6498 JH |
105 | SR_KHZ(20), |
106 | SR_KHZ(25), | |
897c1a2e JH |
107 | SR_KHZ(50), |
108 | SR_KHZ(100), | |
9304d576 JH |
109 | SR_KHZ(200), |
110 | SR_KHZ(250), | |
111 | SR_KHZ(500), | |
8b35f474 JH |
112 | SR_MHZ(1), |
113 | SR_MHZ(2), | |
114 | SR_MHZ(3), | |
115 | SR_MHZ(4), | |
116 | SR_MHZ(6), | |
117 | SR_MHZ(8), | |
118 | SR_MHZ(12), | |
119 | SR_MHZ(16), | |
772a0e61 | 120 | SR_MHZ(24), |
8b35f474 JH |
121 | }; |
122 | ||
a8cc8e44 | 123 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info; |
a873c594 | 124 | static struct sr_dev_driver *di = &fx2lafw_driver_info; |
610dbb70 | 125 | |
b1eeb67e JH |
126 | /** |
127 | * Check the USB configuration to determine if this is an fx2lafw device. | |
128 | * | |
f9a69557 UH |
129 | * @return TRUE if the device's configuration profile match fx2lafw |
130 | * configuration, FALSE otherwise. | |
b1eeb67e | 131 | */ |
f9a69557 | 132 | static gboolean check_conf_profile(libusb_device *dev) |
b1eeb67e JH |
133 | { |
134 | struct libusb_device_descriptor des; | |
6b73d9a5 BV |
135 | struct libusb_device_handle *hdl; |
136 | gboolean ret; | |
137 | unsigned char strdesc[64]; | |
b1eeb67e | 138 | |
6b73d9a5 BV |
139 | hdl = NULL; |
140 | ret = FALSE; | |
b1eeb67e | 141 | while (!ret) { |
da686568 | 142 | /* Assume the FW has not been loaded, unless proven wrong. */ |
b1eeb67e JH |
143 | if (libusb_get_device_descriptor(dev, &des) != 0) |
144 | break; | |
145 | ||
6b73d9a5 | 146 | if (libusb_open(dev, &hdl) != 0) |
b1eeb67e JH |
147 | break; |
148 | ||
6b73d9a5 | 149 | if (libusb_get_string_descriptor_ascii(hdl, |
b99457f0 | 150 | des.iManufacturer, strdesc, sizeof(strdesc)) < 0) |
b1eeb67e | 151 | break; |
6b73d9a5 | 152 | if (strncmp((const char *)strdesc, "sigrok", 6)) |
b1eeb67e JH |
153 | break; |
154 | ||
6b73d9a5 BV |
155 | if (libusb_get_string_descriptor_ascii(hdl, |
156 | des.iProduct, strdesc, sizeof(strdesc)) < 0) | |
b1eeb67e | 157 | break; |
6b73d9a5 | 158 | if (strncmp((const char *)strdesc, "fx2lafw", 7)) |
b1eeb67e JH |
159 | break; |
160 | ||
b1eeb67e | 161 | /* If we made it here, it must be an fx2lafw. */ |
f9a69557 | 162 | ret = TRUE; |
b1eeb67e | 163 | } |
6b73d9a5 BV |
164 | if (hdl) |
165 | libusb_close(hdl); | |
b1eeb67e JH |
166 | |
167 | return ret; | |
168 | } | |
169 | ||
25a0f108 | 170 | static int fx2lafw_dev_open(struct sr_dev_inst *sdi) |
43125c69 JH |
171 | { |
172 | libusb_device **devlist; | |
250a78c7 | 173 | struct sr_usb_dev_inst *usb; |
43125c69 | 174 | struct libusb_device_descriptor des; |
dc9dbe94 | 175 | struct dev_context *devc; |
b99457f0 | 176 | struct drv_context *drvc; |
13bf7ecc | 177 | struct version_info vi; |
b99457f0 | 178 | int ret, skip, i, device_count; |
1e94408a | 179 | uint8_t revid; |
43125c69 | 180 | |
b99457f0 | 181 | drvc = di->priv; |
dc9dbe94 | 182 | devc = sdi->priv; |
250a78c7 | 183 | usb = sdi->conn; |
43125c69 JH |
184 | |
185 | if (sdi->status == SR_ST_ACTIVE) | |
b99457f0 | 186 | /* Device is already in use. */ |
43125c69 JH |
187 | return SR_ERR; |
188 | ||
189 | skip = 0; | |
b99457f0 | 190 | device_count = libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
6fbe5e60 | 191 | if (device_count < 0) { |
b99457f0 UH |
192 | sr_err("Failed to get device list: %s.", |
193 | libusb_error_name(device_count)); | |
6fbe5e60 JH |
194 | return SR_ERR; |
195 | } | |
196 | ||
197 | for (i = 0; i < device_count; i++) { | |
ebc34738 | 198 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { |
f427daef | 199 | sr_err("Failed to get device descriptor: %s.", |
d4928d71 | 200 | libusb_error_name(ret)); |
43125c69 JH |
201 | continue; |
202 | } | |
203 | ||
dc9dbe94 BV |
204 | if (des.idVendor != devc->profile->vid |
205 | || des.idProduct != devc->profile->pid) | |
43125c69 JH |
206 | continue; |
207 | ||
208 | if (sdi->status == SR_ST_INITIALIZING) { | |
25a0f108 | 209 | if (skip != sdi->index) { |
43125c69 JH |
210 | /* Skip devices of this type that aren't the one we want. */ |
211 | skip += 1; | |
212 | continue; | |
213 | } | |
214 | } else if (sdi->status == SR_ST_INACTIVE) { | |
215 | /* | |
216 | * This device is fully enumerated, so we need to find | |
217 | * this device by vendor, product, bus and address. | |
218 | */ | |
250a78c7 BV |
219 | if (libusb_get_bus_number(devlist[i]) != usb->bus |
220 | || libusb_get_device_address(devlist[i]) != usb->address) | |
b99457f0 | 221 | /* This is not the one. */ |
43125c69 JH |
222 | continue; |
223 | } | |
224 | ||
250a78c7 BV |
225 | if (!(ret = libusb_open(devlist[i], &usb->devhdl))) { |
226 | if (usb->address == 0xff) | |
43125c69 | 227 | /* |
b99457f0 UH |
228 | * First time we touch this device after FW |
229 | * upload, so we don't know the address yet. | |
43125c69 | 230 | */ |
250a78c7 | 231 | usb->address = libusb_get_device_address(devlist[i]); |
43125c69 | 232 | } else { |
f427daef | 233 | sr_err("Failed to open device: %s.", |
d4928d71 | 234 | libusb_error_name(ret)); |
13bf7ecc JH |
235 | break; |
236 | } | |
237 | ||
250a78c7 | 238 | ret = command_get_fw_version(usb->devhdl, &vi); |
44dfd483 | 239 | if (ret != SR_OK) { |
b99457f0 | 240 | sr_err("Failed to get firmware version."); |
13bf7ecc | 241 | break; |
43125c69 JH |
242 | } |
243 | ||
250a78c7 | 244 | ret = command_get_revid_version(usb->devhdl, &revid); |
1e94408a | 245 | if (ret != SR_OK) { |
b99457f0 | 246 | sr_err("Failed to get REVID."); |
1e94408a UH |
247 | break; |
248 | } | |
249 | ||
0a8c0c32 UH |
250 | /* |
251 | * Changes in major version mean incompatible/API changes, so | |
252 | * bail out if we encounter an incompatible version. | |
253 | * Different minor versions are OK, they should be compatible. | |
254 | */ | |
255 | if (vi.major != FX2LAFW_REQUIRED_VERSION_MAJOR) { | |
f427daef | 256 | sr_err("Expected firmware version %d.x, " |
0a8c0c32 UH |
257 | "got %d.%d.", FX2LAFW_REQUIRED_VERSION_MAJOR, |
258 | vi.major, vi.minor); | |
13bf7ecc JH |
259 | break; |
260 | } | |
261 | ||
262 | sdi->status = SR_ST_ACTIVE; | |
b99457f0 | 263 | sr_info("Opened device %d on %d.%d, " |
cbc80f8f | 264 | "interface %d, firmware %d.%d.", |
250a78c7 | 265 | sdi->index, usb->bus, usb->address, |
cbc80f8f AG |
266 | USB_INTERFACE, vi.major, vi.minor); |
267 | ||
268 | sr_info("Detected REVID=%d, it's a Cypress CY7C68013%s.", | |
269 | revid, (revid != 1) ? " (FX2)" : "A (FX2LP)"); | |
13bf7ecc | 270 | |
43125c69 JH |
271 | break; |
272 | } | |
273 | libusb_free_device_list(devlist, 1); | |
274 | ||
275 | if (sdi->status != SR_ST_ACTIVE) | |
276 | return SR_ERR; | |
277 | ||
278 | return SR_OK; | |
279 | } | |
280 | ||
014359e3 | 281 | static int configure_probes(const struct sr_dev_inst *sdi) |
6c6781b6 | 282 | { |
014359e3 | 283 | struct dev_context *devc; |
6c6781b6 JH |
284 | struct sr_probe *probe; |
285 | GSList *l; | |
286 | int probe_bit, stage, i; | |
287 | char *tc; | |
288 | ||
014359e3 | 289 | devc = sdi->priv; |
6c6781b6 | 290 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { |
dc9dbe94 BV |
291 | devc->trigger_mask[i] = 0; |
292 | devc->trigger_value[i] = 0; | |
6c6781b6 JH |
293 | } |
294 | ||
295 | stage = -1; | |
014359e3 | 296 | for (l = sdi->probes; l; l = l->next) { |
6c6781b6 JH |
297 | probe = (struct sr_probe *)l->data; |
298 | if (probe->enabled == FALSE) | |
299 | continue; | |
d1ddc7a9 | 300 | |
b35c8293 | 301 | if (probe->index > 7) |
dc9dbe94 | 302 | devc->sample_wide = TRUE; |
d1ddc7a9 | 303 | |
b35c8293 | 304 | probe_bit = 1 << (probe->index); |
6c6781b6 JH |
305 | if (!(probe->trigger)) |
306 | continue; | |
307 | ||
308 | stage = 0; | |
309 | for (tc = probe->trigger; *tc; tc++) { | |
dc9dbe94 | 310 | devc->trigger_mask[stage] |= probe_bit; |
6c6781b6 | 311 | if (*tc == '1') |
dc9dbe94 | 312 | devc->trigger_value[stage] |= probe_bit; |
6c6781b6 JH |
313 | stage++; |
314 | if (stage > NUM_TRIGGER_STAGES) | |
315 | return SR_ERR; | |
316 | } | |
317 | } | |
318 | ||
319 | if (stage == -1) | |
320 | /* | |
321 | * We didn't configure any triggers, make sure acquisition | |
322 | * doesn't wait for any. | |
323 | */ | |
dc9dbe94 | 324 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 | 325 | else |
dc9dbe94 | 326 | devc->trigger_stage = 0; |
6c6781b6 JH |
327 | |
328 | return SR_OK; | |
329 | } | |
330 | ||
dc9dbe94 | 331 | static struct dev_context *fx2lafw_dev_new(void) |
187b3582 | 332 | { |
dc9dbe94 | 333 | struct dev_context *devc; |
187b3582 | 334 | |
2a67abfe | 335 | if (!(devc = g_try_malloc(sizeof(struct dev_context)))) { |
b99457f0 | 336 | sr_err("Device context malloc failed."); |
187b3582 JH |
337 | return NULL; |
338 | } | |
339 | ||
2a67abfe BV |
340 | devc->profile = NULL; |
341 | devc->fw_updated = 0; | |
342 | devc->cur_samplerate = 0; | |
343 | devc->limit_samples = 0; | |
344 | devc->sample_wide = 0; | |
345 | ||
6c6781b6 | 346 | |
dc9dbe94 | 347 | return devc; |
187b3582 | 348 | } |
f302a082 | 349 | |
f69b47f0 BV |
350 | static int clear_instances(void) |
351 | { | |
72f9d6dc | 352 | return std_dev_clear(di, NULL); |
f69b47f0 BV |
353 | } |
354 | ||
34f06b90 | 355 | static int hw_init(struct sr_context *sr_ctx) |
61136ea6 | 356 | { |
063e7aef | 357 | return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN); |
61136ea6 BV |
358 | } |
359 | ||
3a7a22cb | 360 | static GSList *hw_scan(GSList *options) |
f302a082 | 361 | { |
dc9dbe94 BV |
362 | struct drv_context *drvc; |
363 | struct dev_context *devc; | |
754b5ff2 BV |
364 | struct sr_dev_inst *sdi; |
365 | struct sr_usb_dev_inst *usb; | |
3a7a22cb | 366 | struct sr_probe *probe; |
754b5ff2 BV |
367 | struct sr_config *src; |
368 | const struct fx2lafw_profile *prof; | |
369 | GSList *l, *devices, *conn_devices; | |
370 | struct libusb_device_descriptor des; | |
187b3582 | 371 | libusb_device **devlist; |
3a7a22cb | 372 | int devcnt, num_logic_probes, ret, i, j; |
754b5ff2 | 373 | const char *conn; |
3a7a22cb | 374 | |
a873c594 | 375 | drvc = di->priv; |
187b3582 | 376 | |
754b5ff2 BV |
377 | conn = NULL; |
378 | for (l = options; l; l = l->next) { | |
379 | src = l->data; | |
380 | switch (src->key) { | |
381 | case SR_CONF_CONN: | |
382 | conn = g_variant_get_string(src->data, NULL); | |
383 | break; | |
384 | } | |
385 | } | |
386 | if (conn) | |
387 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
388 | else | |
389 | conn_devices = NULL; | |
390 | ||
921634ec | 391 | /* Find all fx2lafw compatible devices and upload firmware to them. */ |
3a7a22cb | 392 | devices = NULL; |
d4abb463 | 393 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
187b3582 | 394 | for (i = 0; devlist[i]; i++) { |
754b5ff2 BV |
395 | if (conn) { |
396 | usb = NULL; | |
397 | for (l = conn_devices; l; l = l->next) { | |
398 | usb = l->data; | |
399 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
400 | && usb->address == libusb_get_device_address(devlist[i])) | |
401 | break; | |
402 | } | |
403 | if (!l) | |
404 | /* This device matched none of the ones that | |
405 | * matched the conn specification. */ | |
406 | continue; | |
407 | } | |
187b3582 | 408 | |
754b5ff2 | 409 | if ((ret = libusb_get_device_descriptor( devlist[i], &des)) != 0) { |
f427daef | 410 | sr_warn("Failed to get device descriptor: %s.", |
d4928d71 | 411 | libusb_error_name(ret)); |
187b3582 JH |
412 | continue; |
413 | } | |
414 | ||
da686568 | 415 | prof = NULL; |
187b3582 JH |
416 | for (j = 0; supported_fx2[j].vid; j++) { |
417 | if (des.idVendor == supported_fx2[j].vid && | |
418 | des.idProduct == supported_fx2[j].pid) { | |
da686568 | 419 | prof = &supported_fx2[j]; |
187b3582 JH |
420 | } |
421 | } | |
422 | ||
b99457f0 | 423 | /* Skip if the device was not found. */ |
da686568 | 424 | if (!prof) |
187b3582 JH |
425 | continue; |
426 | ||
dc9dbe94 | 427 | devcnt = g_slist_length(drvc->instances); |
187b3582 | 428 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, |
da686568 | 429 | prof->vendor, prof->model, prof->model_version); |
f4a9e5c0 | 430 | if (!sdi) |
25a0f108 | 431 | return NULL; |
a873c594 | 432 | sdi->driver = di; |
187b3582 | 433 | |
06717a8a BV |
434 | /* Fill in probelist according to this device's profile. */ |
435 | num_logic_probes = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8; | |
c5e82ca5 | 436 | for (j = 0; j < num_logic_probes; j++) { |
06717a8a BV |
437 | if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE, |
438 | probe_names[j]))) | |
25a0f108 | 439 | return NULL; |
06717a8a BV |
440 | sdi->probes = g_slist_append(sdi->probes, probe); |
441 | } | |
442 | ||
dc9dbe94 BV |
443 | devc = fx2lafw_dev_new(); |
444 | devc->profile = prof; | |
445 | sdi->priv = devc; | |
446 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
a8cc8e44 | 447 | devices = g_slist_append(devices, sdi); |
187b3582 | 448 | |
b1eeb67e JH |
449 | if (check_conf_profile(devlist[i])) { |
450 | /* Already has the firmware, so fix the new address. */ | |
f427daef | 451 | sr_dbg("Found an fx2lafw device."); |
b1eeb67e | 452 | sdi->status = SR_ST_INACTIVE; |
250a78c7 BV |
453 | sdi->inst_type = SR_INST_USB; |
454 | sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]), | |
455 | libusb_get_device_address(devlist[i]), NULL); | |
b1eeb67e | 456 | } else { |
f8b07fc6 | 457 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
da686568 | 458 | prof->firmware) == SR_OK) |
b99457f0 | 459 | /* Store when this device's FW was updated. */ |
dc9dbe94 | 460 | devc->fw_updated = g_get_monotonic_time(); |
b1eeb67e | 461 | else |
f427daef | 462 | sr_err("Firmware upload failed for " |
7ae2f9d5 | 463 | "device %d.", devcnt); |
250a78c7 BV |
464 | sdi->inst_type = SR_INST_USB; |
465 | sdi->conn = sr_usb_dev_inst_new (libusb_get_bus_number(devlist[i]), | |
466 | 0xff, NULL); | |
b1eeb67e | 467 | } |
187b3582 JH |
468 | } |
469 | libusb_free_device_list(devlist, 1); | |
470 | ||
3a7a22cb | 471 | return devices; |
f302a082 JH |
472 | } |
473 | ||
811deee4 BV |
474 | static GSList *hw_dev_list(void) |
475 | { | |
0e94d524 | 476 | return ((struct drv_context *)(di->priv))->instances; |
811deee4 BV |
477 | } |
478 | ||
25a0f108 | 479 | static int hw_dev_open(struct sr_dev_inst *sdi) |
f302a082 | 480 | { |
250a78c7 | 481 | struct sr_usb_dev_inst *usb; |
dc9dbe94 | 482 | struct dev_context *devc; |
e8bd58ff UH |
483 | int ret; |
484 | int64_t timediff_us, timediff_ms; | |
43125c69 | 485 | |
dc9dbe94 | 486 | devc = sdi->priv; |
250a78c7 | 487 | usb = sdi->conn; |
43125c69 JH |
488 | |
489 | /* | |
f60fdf6e UH |
490 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
491 | * milliseconds for the FX2 to renumerate. | |
43125c69 | 492 | */ |
3b6c1930 | 493 | ret = SR_ERR; |
dc9dbe94 | 494 | if (devc->fw_updated > 0) { |
f427daef | 495 | sr_info("Waiting for device to reset."); |
b99457f0 | 496 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ |
43125c69 | 497 | g_usleep(300 * 1000); |
e8bd58ff | 498 | timediff_ms = 0; |
f60fdf6e | 499 | while (timediff_ms < MAX_RENUM_DELAY_MS) { |
25a0f108 | 500 | if ((ret = fx2lafw_dev_open(sdi)) == SR_OK) |
43125c69 JH |
501 | break; |
502 | g_usleep(100 * 1000); | |
e8bd58ff | 503 | |
dc9dbe94 | 504 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
3b6c1930 | 505 | timediff_ms = timediff_us / 1000; |
b99457f0 | 506 | sr_spew("Waited %" PRIi64 "ms.", timediff_ms); |
43125c69 | 507 | } |
443a14d8 AG |
508 | if (ret != SR_OK) { |
509 | sr_err("Device failed to renumerate."); | |
510 | return SR_ERR; | |
511 | } | |
c0bf69c2 | 512 | sr_info("Device came back after %" PRIi64 "ms.", timediff_ms); |
43125c69 | 513 | } else { |
443a14d8 | 514 | sr_info("Firmware upload was not needed."); |
25a0f108 | 515 | ret = fx2lafw_dev_open(sdi); |
43125c69 JH |
516 | } |
517 | ||
ebc34738 | 518 | if (ret != SR_OK) { |
f427daef | 519 | sr_err("Unable to open device."); |
43125c69 JH |
520 | return SR_ERR; |
521 | } | |
378abfea | 522 | |
250a78c7 | 523 | ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
ebc34738 | 524 | if (ret != 0) { |
0c156e06 JH |
525 | switch(ret) { |
526 | case LIBUSB_ERROR_BUSY: | |
f427daef | 527 | sr_err("Unable to claim USB interface. Another " |
b99457f0 | 528 | "program or driver has already claimed it."); |
0c156e06 | 529 | break; |
0c156e06 | 530 | case LIBUSB_ERROR_NO_DEVICE: |
f427daef | 531 | sr_err("Device has been disconnected."); |
0c156e06 | 532 | break; |
0c156e06 | 533 | default: |
f427daef | 534 | sr_err("Unable to claim interface: %s.", |
d4928d71 | 535 | libusb_error_name(ret)); |
0c156e06 JH |
536 | break; |
537 | } | |
538 | ||
43125c69 JH |
539 | return SR_ERR; |
540 | } | |
541 | ||
dc9dbe94 | 542 | if (devc->cur_samplerate == 0) { |
f92994fd | 543 | /* Samplerate hasn't been set; default to the slowest one. */ |
d6836bf1 | 544 | devc->cur_samplerate = samplerates[0]; |
f92994fd JH |
545 | } |
546 | ||
f302a082 JH |
547 | return SR_OK; |
548 | } | |
549 | ||
25a0f108 | 550 | static int hw_dev_close(struct sr_dev_inst *sdi) |
f302a082 | 551 | { |
250a78c7 | 552 | struct sr_usb_dev_inst *usb; |
961009b0 | 553 | |
250a78c7 BV |
554 | usb = sdi->conn; |
555 | if (usb->devhdl == NULL) | |
25a0f108 | 556 | return SR_ERR; |
f1898235 | 557 | |
250a78c7 BV |
558 | sr_info("fx2lafw: Closing device %d on %d.%d interface %d.", |
559 | sdi->index, usb->bus, usb->address, USB_INTERFACE); | |
560 | libusb_release_interface(usb->devhdl, USB_INTERFACE); | |
561 | libusb_close(usb->devhdl); | |
562 | usb->devhdl = NULL; | |
25a0f108 | 563 | sdi->status = SR_ST_INACTIVE; |
f1898235 | 564 | |
f302a082 JH |
565 | return SR_OK; |
566 | } | |
567 | ||
568 | static int hw_cleanup(void) | |
569 | { | |
dc9dbe94 | 570 | struct drv_context *drvc; |
f69b47f0 | 571 | int ret; |
187b3582 | 572 | |
a873c594 | 573 | if (!(drvc = di->priv)) |
dc9dbe94 BV |
574 | return SR_OK; |
575 | ||
f69b47f0 | 576 | ret = clear_instances(); |
187b3582 | 577 | |
dc9dbe94 | 578 | g_free(drvc); |
a873c594 | 579 | di->priv = NULL; |
187b3582 | 580 | |
62bc70e4 | 581 | return ret; |
f302a082 JH |
582 | } |
583 | ||
d6836bf1 | 584 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi) |
f302a082 | 585 | { |
dc9dbe94 | 586 | struct dev_context *devc; |
89befd46 BV |
587 | struct sr_usb_dev_inst *usb; |
588 | char str[128]; | |
8b35f474 | 589 | |
035a1078 | 590 | switch (id) { |
89befd46 BV |
591 | case SR_CONF_CONN: |
592 | if (!sdi || !sdi->conn) | |
38ab8dbe | 593 | return SR_ERR_ARG; |
89befd46 BV |
594 | usb = sdi->conn; |
595 | if (usb->address == 255) | |
596 | /* Device still needs to re-enumerate after firmware | |
597 | * upload, so we don't know its (future) address. */ | |
598 | return SR_ERR; | |
599 | snprintf(str, 128, "%d.%d", usb->bus, usb->address); | |
600 | *data = g_variant_new_string(str); | |
601 | break; | |
123e1313 | 602 | case SR_CONF_SAMPLERATE: |
89befd46 | 603 | if (!sdi) |
6e9339aa | 604 | return SR_ERR; |
89befd46 BV |
605 | devc = sdi->priv; |
606 | *data = g_variant_new_uint64(devc->cur_samplerate); | |
6e9339aa BV |
607 | break; |
608 | default: | |
bd6fbf62 | 609 | return SR_ERR_NA; |
8b35f474 JH |
610 | } |
611 | ||
6e9339aa | 612 | return SR_OK; |
f302a082 JH |
613 | } |
614 | ||
d6836bf1 | 615 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi) |
f302a082 | 616 | { |
dc9dbe94 | 617 | struct dev_context *devc; |
7cb621d4 JH |
618 | int ret; |
619 | ||
e73ffd42 BV |
620 | if (sdi->status != SR_ST_ACTIVE) |
621 | return SR_ERR; | |
622 | ||
dc9dbe94 | 623 | devc = sdi->priv; |
7cb621d4 | 624 | |
035a1078 | 625 | if (id == SR_CONF_SAMPLERATE) { |
d6836bf1 | 626 | devc->cur_samplerate = g_variant_get_uint64(data); |
e3186647 | 627 | ret = SR_OK; |
035a1078 | 628 | } else if (id == SR_CONF_LIMIT_SAMPLES) { |
d6836bf1 | 629 | devc->limit_samples = g_variant_get_uint64(data); |
7cb621d4 JH |
630 | ret = SR_OK; |
631 | } else { | |
bd6fbf62 | 632 | ret = SR_ERR_NA; |
7cb621d4 JH |
633 | } |
634 | ||
635 | return ret; | |
f302a082 JH |
636 | } |
637 | ||
d6836bf1 | 638 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) |
a1c743fc | 639 | { |
d6836bf1 BV |
640 | GVariant *gvar; |
641 | GVariantBuilder gvb; | |
a1c743fc BV |
642 | |
643 | (void)sdi; | |
644 | ||
645 | switch (key) { | |
89befd46 BV |
646 | case SR_CONF_SCAN_OPTIONS: |
647 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
648 | hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); | |
649 | break; | |
9a6517d1 | 650 | case SR_CONF_DEVICE_OPTIONS: |
d6836bf1 BV |
651 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
652 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
9a6517d1 | 653 | break; |
a1c743fc | 654 | case SR_CONF_SAMPLERATE: |
d6836bf1 BV |
655 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); |
656 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
657 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
658 | g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar); | |
659 | *data = g_variant_builder_end(&gvb); | |
a1c743fc | 660 | break; |
c50277a6 | 661 | case SR_CONF_TRIGGER_TYPE: |
d6836bf1 | 662 | *data = g_variant_new_string(TRIGGER_TYPE); |
c50277a6 | 663 | break; |
a1c743fc | 664 | default: |
bd6fbf62 | 665 | return SR_ERR_NA; |
a1c743fc BV |
666 | } |
667 | ||
668 | return SR_OK; | |
669 | } | |
670 | ||
1f9813eb | 671 | static int receive_data(int fd, int revents, void *cb_data) |
610dbb70 JH |
672 | { |
673 | struct timeval tv; | |
b99457f0 | 674 | struct drv_context *drvc; |
610dbb70 | 675 | |
610dbb70 JH |
676 | (void)fd; |
677 | (void)revents; | |
1f9813eb | 678 | (void)cb_data; |
610dbb70 | 679 | |
b99457f0 UH |
680 | drvc = di->priv; |
681 | ||
610dbb70 | 682 | tv.tv_sec = tv.tv_usec = 0; |
d4abb463 | 683 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
610dbb70 JH |
684 | |
685 | return TRUE; | |
686 | } | |
687 | ||
dc9dbe94 | 688 | static void abort_acquisition(struct dev_context *devc) |
cb61e9f7 | 689 | { |
e7d087bf | 690 | int i; |
0caa1ef0 | 691 | |
dc9dbe94 | 692 | devc->num_samples = -1; |
0caa1ef0 | 693 | |
dc9dbe94 BV |
694 | for (i = devc->num_transfers - 1; i >= 0; i--) { |
695 | if (devc->transfers[i]) | |
696 | libusb_cancel_transfer(devc->transfers[i]); | |
0caa1ef0 | 697 | } |
cb61e9f7 JH |
698 | } |
699 | ||
dc9dbe94 | 700 | static void finish_acquisition(struct dev_context *devc) |
2e526f4a JH |
701 | { |
702 | struct sr_datafeed_packet packet; | |
cb61e9f7 | 703 | int i; |
2e526f4a | 704 | |
b99457f0 | 705 | /* Terminate session. */ |
2e526f4a | 706 | packet.type = SR_DF_END; |
3e9b7f9c | 707 | sr_session_send(devc->cb_data, &packet); |
2e526f4a | 708 | |
b99457f0 | 709 | /* Remove fds from polling. */ |
0a7da5f8 BV |
710 | for (i = 0; devc->usbfd[i] != -1; i++) |
711 | sr_source_remove(devc->usbfd[i]); | |
712 | g_free(devc->usbfd); | |
0caa1ef0 | 713 | |
dc9dbe94 BV |
714 | devc->num_transfers = 0; |
715 | g_free(devc->transfers); | |
2e526f4a JH |
716 | } |
717 | ||
f855de75 LPC |
718 | static void free_transfer(struct libusb_transfer *transfer) |
719 | { | |
b99457f0 | 720 | struct dev_context *devc; |
0caa1ef0 | 721 | unsigned int i; |
f855de75 | 722 | |
b99457f0 UH |
723 | devc = transfer->user_data; |
724 | ||
f855de75 LPC |
725 | g_free(transfer->buffer); |
726 | transfer->buffer = NULL; | |
727 | libusb_free_transfer(transfer); | |
728 | ||
dc9dbe94 BV |
729 | for (i = 0; i < devc->num_transfers; i++) { |
730 | if (devc->transfers[i] == transfer) { | |
731 | devc->transfers[i] = NULL; | |
0caa1ef0 LPC |
732 | break; |
733 | } | |
734 | } | |
735 | ||
dc9dbe94 BV |
736 | devc->submitted_transfers--; |
737 | if (devc->submitted_transfers == 0) | |
738 | finish_acquisition(devc); | |
f855de75 LPC |
739 | } |
740 | ||
17dff8a1 LPC |
741 | static void resubmit_transfer(struct libusb_transfer *transfer) |
742 | { | |
b99457f0 | 743 | int ret; |
d4928d71 | 744 | |
b99457f0 | 745 | if ((ret = libusb_submit_transfer(transfer)) == LIBUSB_SUCCESS) |
d4928d71 PS |
746 | return; |
747 | ||
748 | free_transfer(transfer); | |
749 | /* TODO: Stop session? */ | |
750 | ||
f427daef | 751 | sr_err("%s: %s", __func__, libusb_error_name(ret)); |
17dff8a1 LPC |
752 | } |
753 | ||
610dbb70 JH |
754 | static void receive_transfer(struct libusb_transfer *transfer) |
755 | { | |
7ce737a7 | 756 | gboolean packet_has_error = FALSE; |
610dbb70 JH |
757 | struct sr_datafeed_packet packet; |
758 | struct sr_datafeed_logic logic; | |
b99457f0 UH |
759 | struct dev_context *devc; |
760 | int trigger_offset, i, sample_width, cur_sample_count; | |
761 | int trigger_offset_bytes; | |
762 | uint8_t *cur_buf; | |
763 | ||
764 | devc = transfer->user_data; | |
610dbb70 | 765 | |
610dbb70 JH |
766 | /* |
767 | * If acquisition has already ended, just free any queued up | |
768 | * transfer that come in. | |
769 | */ | |
dc9dbe94 | 770 | if (devc->num_samples == -1) { |
f855de75 | 771 | free_transfer(transfer); |
610dbb70 JH |
772 | return; |
773 | } | |
774 | ||
f427daef | 775 | sr_info("receive_transfer(): status %d received %d bytes.", |
610dbb70 JH |
776 | transfer->status, transfer->actual_length); |
777 | ||
778 | /* Save incoming transfer before reusing the transfer struct. */ | |
b99457f0 UH |
779 | cur_buf = transfer->buffer; |
780 | sample_width = devc->sample_wide ? 2 : 1; | |
781 | cur_sample_count = transfer->actual_length / sample_width; | |
610dbb70 | 782 | |
7ce737a7 LPC |
783 | switch (transfer->status) { |
784 | case LIBUSB_TRANSFER_NO_DEVICE: | |
dc9dbe94 | 785 | abort_acquisition(devc); |
7ce737a7 LPC |
786 | free_transfer(transfer); |
787 | return; | |
788 | case LIBUSB_TRANSFER_COMPLETED: | |
b99457f0 | 789 | case LIBUSB_TRANSFER_TIMED_OUT: /* We may have received some data though. */ |
7ce737a7 LPC |
790 | break; |
791 | default: | |
792 | packet_has_error = TRUE; | |
793 | break; | |
794 | } | |
795 | ||
796 | if (transfer->actual_length == 0 || packet_has_error) { | |
dc9dbe94 BV |
797 | devc->empty_transfer_count++; |
798 | if (devc->empty_transfer_count > MAX_EMPTY_TRANSFERS) { | |
610dbb70 JH |
799 | /* |
800 | * The FX2 gave up. End the acquisition, the frontend | |
801 | * will work out that the samplecount is short. | |
802 | */ | |
dc9dbe94 | 803 | abort_acquisition(devc); |
17dff8a1 LPC |
804 | free_transfer(transfer); |
805 | } else { | |
806 | resubmit_transfer(transfer); | |
610dbb70 JH |
807 | } |
808 | return; | |
809 | } else { | |
dc9dbe94 | 810 | devc->empty_transfer_count = 0; |
610dbb70 JH |
811 | } |
812 | ||
6c6781b6 | 813 | trigger_offset = 0; |
dc9dbe94 | 814 | if (devc->trigger_stage >= 0) { |
d1ddc7a9 JH |
815 | for (i = 0; i < cur_sample_count; i++) { |
816 | ||
dc9dbe94 | 817 | const uint16_t cur_sample = devc->sample_wide ? |
d1ddc7a9 JH |
818 | *((const uint16_t*)cur_buf + i) : |
819 | *((const uint8_t*)cur_buf + i); | |
6c6781b6 | 820 | |
dc9dbe94 BV |
821 | if ((cur_sample & devc->trigger_mask[devc->trigger_stage]) == |
822 | devc->trigger_value[devc->trigger_stage]) { | |
6c6781b6 | 823 | /* Match on this trigger stage. */ |
dc9dbe94 BV |
824 | devc->trigger_buffer[devc->trigger_stage] = cur_sample; |
825 | devc->trigger_stage++; | |
6c6781b6 | 826 | |
dc9dbe94 BV |
827 | if (devc->trigger_stage == NUM_TRIGGER_STAGES || |
828 | devc->trigger_mask[devc->trigger_stage] == 0) { | |
6c6781b6 JH |
829 | /* Match on all trigger stages, we're done. */ |
830 | trigger_offset = i + 1; | |
831 | ||
832 | /* | |
833 | * TODO: Send pre-trigger buffer to session bus. | |
834 | * Tell the frontend we hit the trigger here. | |
835 | */ | |
836 | packet.type = SR_DF_TRIGGER; | |
837 | packet.payload = NULL; | |
3e9b7f9c | 838 | sr_session_send(devc->cb_data, &packet); |
6c6781b6 JH |
839 | |
840 | /* | |
b99457f0 UH |
841 | * Send the samples that triggered it, |
842 | * since we're skipping past them. | |
6c6781b6 JH |
843 | */ |
844 | packet.type = SR_DF_LOGIC; | |
845 | packet.payload = &logic; | |
dc9dbe94 BV |
846 | logic.unitsize = sizeof(*devc->trigger_buffer); |
847 | logic.length = devc->trigger_stage * logic.unitsize; | |
848 | logic.data = devc->trigger_buffer; | |
3e9b7f9c | 849 | sr_session_send(devc->cb_data, &packet); |
6c6781b6 | 850 | |
dc9dbe94 | 851 | devc->trigger_stage = TRIGGER_FIRED; |
6c6781b6 JH |
852 | break; |
853 | } | |
dc9dbe94 | 854 | } else if (devc->trigger_stage > 0) { |
f3ab43a8 LPC |
855 | /* |
856 | * We had a match before, but not in the next sample. However, we may | |
857 | * have a match on this stage in the next bit -- trigger on 0001 will | |
858 | * fail on seeing 00001, so we need to go back to stage 0 -- but at | |
859 | * the next sample from the one that matched originally, which the | |
860 | * counter increment at the end of the loop takes care of. | |
861 | */ | |
dc9dbe94 | 862 | i -= devc->trigger_stage; |
6c6781b6 JH |
863 | if (i < -1) |
864 | i = -1; /* Oops, went back past this buffer. */ | |
865 | /* Reset trigger stage. */ | |
dc9dbe94 | 866 | devc->trigger_stage = 0; |
6c6781b6 JH |
867 | } |
868 | } | |
869 | } | |
610dbb70 | 870 | |
dc9dbe94 | 871 | if (devc->trigger_stage == TRIGGER_FIRED) { |
6c6781b6 | 872 | /* Send the incoming transfer to the session bus. */ |
b99457f0 | 873 | trigger_offset_bytes = trigger_offset * sample_width; |
6c6781b6 JH |
874 | packet.type = SR_DF_LOGIC; |
875 | packet.payload = &logic; | |
d1ddc7a9 JH |
876 | logic.length = transfer->actual_length - trigger_offset_bytes; |
877 | logic.unitsize = sample_width; | |
878 | logic.data = cur_buf + trigger_offset_bytes; | |
3e9b7f9c | 879 | sr_session_send(devc->cb_data, &packet); |
6c6781b6 | 880 | |
dc9dbe94 BV |
881 | devc->num_samples += cur_sample_count; |
882 | if (devc->limit_samples && | |
883 | (unsigned int)devc->num_samples > devc->limit_samples) { | |
884 | abort_acquisition(devc); | |
0caa1ef0 LPC |
885 | free_transfer(transfer); |
886 | return; | |
6c6781b6 JH |
887 | } |
888 | } else { | |
889 | /* | |
890 | * TODO: Buffer pre-trigger data in capture | |
891 | * ratio-sized buffer. | |
892 | */ | |
610dbb70 | 893 | } |
17dff8a1 LPC |
894 | |
895 | resubmit_transfer(transfer); | |
610dbb70 JH |
896 | } |
897 | ||
5af666a9 LPC |
898 | static unsigned int to_bytes_per_ms(unsigned int samplerate) |
899 | { | |
900 | return samplerate / 1000; | |
901 | } | |
902 | ||
dc9dbe94 | 903 | static size_t get_buffer_size(struct dev_context *devc) |
5af666a9 LPC |
904 | { |
905 | size_t s; | |
906 | ||
b99457f0 UH |
907 | /* |
908 | * The buffer should be large enough to hold 10ms of data and | |
909 | * a multiple of 512. | |
910 | */ | |
dc9dbe94 | 911 | s = 10 * to_bytes_per_ms(devc->cur_samplerate); |
5af666a9 LPC |
912 | return (s + 511) & ~511; |
913 | } | |
914 | ||
dc9dbe94 | 915 | static unsigned int get_number_of_transfers(struct dev_context *devc) |
5af666a9 LPC |
916 | { |
917 | unsigned int n; | |
918 | ||
b99457f0 | 919 | /* Total buffer size should be able to hold about 500ms of data. */ |
dc9dbe94 | 920 | n = 500 * to_bytes_per_ms(devc->cur_samplerate) / get_buffer_size(devc); |
5af666a9 LPC |
921 | |
922 | if (n > NUM_SIMUL_TRANSFERS) | |
923 | return NUM_SIMUL_TRANSFERS; | |
924 | ||
925 | return n; | |
926 | } | |
927 | ||
dc9dbe94 | 928 | static unsigned int get_timeout(struct dev_context *devc) |
5af666a9 LPC |
929 | { |
930 | size_t total_size; | |
931 | unsigned int timeout; | |
932 | ||
dc9dbe94 BV |
933 | total_size = get_buffer_size(devc) * get_number_of_transfers(devc); |
934 | timeout = total_size / to_bytes_per_ms(devc->cur_samplerate); | |
b99457f0 | 935 | return timeout + timeout / 4; /* Leave a headroom of 25% percent. */ |
5af666a9 LPC |
936 | } |
937 | ||
3ffb6964 BV |
938 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
939 | void *cb_data) | |
f302a082 | 940 | { |
dc9dbe94 | 941 | struct dev_context *devc; |
b99457f0 | 942 | struct drv_context *drvc; |
250a78c7 | 943 | struct sr_usb_dev_inst *usb; |
610dbb70 JH |
944 | struct libusb_transfer *transfer; |
945 | const struct libusb_pollfd **lupfd; | |
b99457f0 | 946 | unsigned int i, timeout, num_transfers; |
5af666a9 | 947 | int ret; |
610dbb70 | 948 | unsigned char *buf; |
b99457f0 | 949 | size_t size; |
610dbb70 | 950 | |
e73ffd42 BV |
951 | if (sdi->status != SR_ST_ACTIVE) |
952 | return SR_ERR_DEV_CLOSED; | |
953 | ||
b99457f0 | 954 | drvc = di->priv; |
dc9dbe94 | 955 | devc = sdi->priv; |
250a78c7 | 956 | usb = sdi->conn; |
b99457f0 | 957 | |
2a67abfe | 958 | /* Configures devc->trigger_* and devc->sample_wide */ |
014359e3 | 959 | if (configure_probes(sdi) != SR_OK) { |
b99457f0 | 960 | sr_err("Failed to configure probes."); |
014359e3 BV |
961 | return SR_ERR; |
962 | } | |
963 | ||
3e9b7f9c | 964 | devc->cb_data = cb_data; |
dc9dbe94 BV |
965 | devc->num_samples = 0; |
966 | devc->empty_transfer_count = 0; | |
610dbb70 | 967 | |
b99457f0 UH |
968 | timeout = get_timeout(devc); |
969 | num_transfers = get_number_of_transfers(devc); | |
970 | size = get_buffer_size(devc); | |
2a67abfe | 971 | devc->submitted_transfers = 0; |
5af666a9 | 972 | |
dc9dbe94 | 973 | devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers); |
886a52b6 | 974 | if (!devc->transfers) { |
f427daef | 975 | sr_err("USB transfers malloc failed."); |
886a52b6 UH |
976 | return SR_ERR_MALLOC; |
977 | } | |
0caa1ef0 | 978 | |
dc9dbe94 | 979 | devc->num_transfers = num_transfers; |
5af666a9 | 980 | for (i = 0; i < num_transfers; i++) { |
610dbb70 | 981 | if (!(buf = g_try_malloc(size))) { |
b99457f0 | 982 | sr_err("USB transfer buffer malloc failed."); |
610dbb70 JH |
983 | return SR_ERR_MALLOC; |
984 | } | |
985 | transfer = libusb_alloc_transfer(0); | |
250a78c7 | 986 | libusb_fill_bulk_transfer(transfer, usb->devhdl, |
610dbb70 | 987 | 2 | LIBUSB_ENDPOINT_IN, buf, size, |
dc9dbe94 | 988 | receive_transfer, devc, timeout); |
d4928d71 | 989 | if ((ret = libusb_submit_transfer(transfer)) != 0) { |
b99457f0 UH |
990 | sr_err("Failed to submit transfer: %s.", |
991 | libusb_error_name(ret)); | |
610dbb70 JH |
992 | libusb_free_transfer(transfer); |
993 | g_free(buf); | |
dc9dbe94 | 994 | abort_acquisition(devc); |
610dbb70 JH |
995 | return SR_ERR; |
996 | } | |
dc9dbe94 BV |
997 | devc->transfers[i] = transfer; |
998 | devc->submitted_transfers++; | |
610dbb70 JH |
999 | } |
1000 | ||
d4abb463 | 1001 | lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); |
0a7da5f8 BV |
1002 | for (i = 0; lupfd[i]; i++); |
1003 | if (!(devc->usbfd = g_try_malloc(sizeof(struct libusb_pollfd) * (i + 1)))) | |
1004 | return SR_ERR; | |
1005 | for (i = 0; lupfd[i]; i++) { | |
610dbb70 | 1006 | sr_source_add(lupfd[i]->fd, lupfd[i]->events, |
5af666a9 | 1007 | timeout, receive_data, NULL); |
0a7da5f8 BV |
1008 | devc->usbfd[i] = lupfd[i]->fd; |
1009 | } | |
1010 | devc->usbfd[i] = -1; | |
1011 | free(lupfd); | |
610dbb70 | 1012 | |
4afdfd46 UH |
1013 | /* Send header packet to the session bus. */ |
1014 | std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN); | |
f366e86c | 1015 | |
250a78c7 | 1016 | if ((ret = command_start_acquisition (usb->devhdl, |
dc9dbe94 BV |
1017 | devc->cur_samplerate, devc->sample_wide)) != SR_OK) { |
1018 | abort_acquisition(devc); | |
ebc34738 | 1019 | return ret; |
017375d1 JH |
1020 | } |
1021 | ||
f302a082 JH |
1022 | return SR_OK; |
1023 | } | |
1024 | ||
69b07d14 | 1025 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
f302a082 | 1026 | { |
2e526f4a | 1027 | (void)cb_data; |
5da93902 | 1028 | |
2e526f4a | 1029 | abort_acquisition(sdi->priv); |
5da93902 | 1030 | |
f302a082 JH |
1031 | return SR_OK; |
1032 | } | |
1033 | ||
c09f0b57 | 1034 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { |
f302a082 | 1035 | .name = "fx2lafw", |
2e7cb004 | 1036 | .longname = "fx2lafw (generic driver for FX2 based LAs)", |
f302a082 JH |
1037 | .api_version = 1, |
1038 | .init = hw_init, | |
1039 | .cleanup = hw_cleanup, | |
61136ea6 | 1040 | .scan = hw_scan, |
811deee4 BV |
1041 | .dev_list = hw_dev_list, |
1042 | .dev_clear = clear_instances, | |
035a1078 BV |
1043 | .config_get = config_get, |
1044 | .config_set = config_set, | |
a1c743fc | 1045 | .config_list = config_list, |
f302a082 JH |
1046 | .dev_open = hw_dev_open, |
1047 | .dev_close = hw_dev_close, | |
f302a082 JH |
1048 | .dev_acquisition_start = hw_dev_acquisition_start, |
1049 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
dc9dbe94 | 1050 | .priv = NULL, |
f302a082 | 1051 | }; |