]>
Commit | Line | Data |
---|---|---|
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 | ||
2f937611 | 21 | #include "protocol.h" |
f302a082 | 22 | |
4679d14d | 23 | static const struct fx2lafw_profile supported_fx2[] = { |
7ae2f9d5 UH |
24 | /* |
25 | * CWAV USBee AX | |
17b6c75a | 26 | * EE Electronics ESLA201A |
9f05304e | 27 | * ARMFLY AX-Pro |
17b6c75a | 28 | */ |
f8b07fc6 | 29 | { 0x08a9, 0x0014, "CWAV", "USBee AX", NULL, |
d1ddc7a9 JH |
30 | FIRMWARE_DIR "/fx2lafw-cwav-usbeeax.fw", |
31 | 0 }, | |
0e8d0e24 IF |
32 | /* |
33 | * CWAV USBee DX | |
34 | * XZL-Studio DX | |
35 | */ | |
36 | { 0x08a9, 0x0015, "CWAV", "USBee DX", NULL, | |
37 | FIRMWARE_DIR "/fx2lafw-cwav-usbeedx.fw", | |
38 | DEV_CAPS_16BIT }, | |
93a9f3da | 39 | |
7ae2f9d5 UH |
40 | /* |
41 | * CWAV USBee SX | |
4502e869 JH |
42 | */ |
43 | { 0x08a9, 0x0009, "CWAV", "USBee SX", NULL, | |
d1ddc7a9 JH |
44 | FIRMWARE_DIR "/fx2lafw-cwav-usbeesx.fw", |
45 | 0 }, | |
4502e869 | 46 | |
7ae2f9d5 UH |
47 | /* |
48 | * Saleae Logic | |
93a9f3da JH |
49 | * EE Electronics ESLA100 |
50 | * Robomotic MiniLogic | |
1663e470 | 51 | * Robomotic BugLogic 3 |
93a9f3da JH |
52 | */ |
53 | { 0x0925, 0x3881, "Saleae", "Logic", NULL, | |
d1ddc7a9 JH |
54 | FIRMWARE_DIR "/fx2lafw-saleae-logic.fw", |
55 | 0 }, | |
93a9f3da | 56 | |
f488762a | 57 | /* |
1663e470 UH |
58 | * Default Cypress FX2 without EEPROM, e.g.: |
59 | * Lcsoft Mini Board | |
60 | * Braintechnology USB Interface V2.x | |
f488762a JH |
61 | */ |
62 | { 0x04B4, 0x8613, "Cypress", "FX2", NULL, | |
d1ddc7a9 JH |
63 | FIRMWARE_DIR "/fx2lafw-cypress-fx2.fw", |
64 | DEV_CAPS_16BIT }, | |
f488762a | 65 | |
1663e470 UH |
66 | /* |
67 | * Braintechnology USB-LPS | |
68 | */ | |
69 | { 0x16d0, 0x0498, "Braintechnology", "USB-LPS", NULL, | |
d1ddc7a9 JH |
70 | FIRMWARE_DIR "/fx2lafw-braintechnology-usb-lps.fw", |
71 | DEV_CAPS_16BIT }, | |
1663e470 | 72 | |
f8b07fc6 | 73 | { 0, 0, 0, 0, 0, 0, 0 } |
187b3582 JH |
74 | }; |
75 | ||
89befd46 BV |
76 | static const int32_t hwopts[] = { |
77 | SR_CONF_CONN, | |
78 | }; | |
79 | ||
d6836bf1 | 80 | static const int32_t hwcaps[] = { |
1953564a | 81 | SR_CONF_LOGIC_ANALYZER, |
d6836bf1 | 82 | SR_CONF_TRIGGER_TYPE, |
1953564a | 83 | SR_CONF_SAMPLERATE, |
8b35f474 JH |
84 | |
85 | /* These are really implemented in the driver, not the hardware. */ | |
1953564a BV |
86 | SR_CONF_LIMIT_SAMPLES, |
87 | SR_CONF_CONTINUOUS, | |
8b35f474 JH |
88 | }; |
89 | ||
ba7dd8bb | 90 | static const char *channel_names[] = { |
b36e7153 | 91 | "0", "1", "2", "3", "4", "5", "6", "7", |
78693401 UH |
92 | "8", "9", "10", "11", "12", "13", "14", "15", |
93 | NULL, | |
8b35f474 JH |
94 | }; |
95 | ||
d6836bf1 | 96 | static const uint64_t samplerates[] = { |
79dc6498 JH |
97 | SR_KHZ(20), |
98 | SR_KHZ(25), | |
897c1a2e JH |
99 | SR_KHZ(50), |
100 | SR_KHZ(100), | |
9304d576 JH |
101 | SR_KHZ(200), |
102 | SR_KHZ(250), | |
103 | SR_KHZ(500), | |
8b35f474 JH |
104 | SR_MHZ(1), |
105 | SR_MHZ(2), | |
106 | SR_MHZ(3), | |
107 | SR_MHZ(4), | |
108 | SR_MHZ(6), | |
109 | SR_MHZ(8), | |
110 | SR_MHZ(12), | |
111 | SR_MHZ(16), | |
772a0e61 | 112 | SR_MHZ(24), |
8b35f474 JH |
113 | }; |
114 | ||
a8cc8e44 | 115 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info; |
a873c594 | 116 | static struct sr_dev_driver *di = &fx2lafw_driver_info; |
610dbb70 | 117 | |
6078d2c9 | 118 | static int init(struct sr_context *sr_ctx) |
61136ea6 | 119 | { |
f6beaac5 | 120 | return std_init(sr_ctx, di, LOG_PREFIX); |
61136ea6 BV |
121 | } |
122 | ||
6078d2c9 | 123 | static GSList *scan(GSList *options) |
f302a082 | 124 | { |
dc9dbe94 BV |
125 | struct drv_context *drvc; |
126 | struct dev_context *devc; | |
754b5ff2 BV |
127 | struct sr_dev_inst *sdi; |
128 | struct sr_usb_dev_inst *usb; | |
ba7dd8bb | 129 | struct sr_channel *ch; |
754b5ff2 BV |
130 | struct sr_config *src; |
131 | const struct fx2lafw_profile *prof; | |
132 | GSList *l, *devices, *conn_devices; | |
133 | struct libusb_device_descriptor des; | |
187b3582 | 134 | libusb_device **devlist; |
ba7dd8bb | 135 | int devcnt, num_logic_channels, ret, i, j; |
754b5ff2 | 136 | const char *conn; |
3a7a22cb | 137 | |
a873c594 | 138 | drvc = di->priv; |
187b3582 | 139 | |
754b5ff2 BV |
140 | conn = NULL; |
141 | for (l = options; l; l = l->next) { | |
142 | src = l->data; | |
143 | switch (src->key) { | |
144 | case SR_CONF_CONN: | |
145 | conn = g_variant_get_string(src->data, NULL); | |
146 | break; | |
147 | } | |
148 | } | |
149 | if (conn) | |
150 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
151 | else | |
152 | conn_devices = NULL; | |
153 | ||
921634ec | 154 | /* Find all fx2lafw compatible devices and upload firmware to them. */ |
3a7a22cb | 155 | devices = NULL; |
d4abb463 | 156 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
187b3582 | 157 | for (i = 0; devlist[i]; i++) { |
754b5ff2 BV |
158 | if (conn) { |
159 | usb = NULL; | |
160 | for (l = conn_devices; l; l = l->next) { | |
161 | usb = l->data; | |
162 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
163 | && usb->address == libusb_get_device_address(devlist[i])) | |
164 | break; | |
165 | } | |
166 | if (!l) | |
167 | /* This device matched none of the ones that | |
168 | * matched the conn specification. */ | |
169 | continue; | |
170 | } | |
187b3582 | 171 | |
754b5ff2 | 172 | if ((ret = libusb_get_device_descriptor( devlist[i], &des)) != 0) { |
f427daef | 173 | sr_warn("Failed to get device descriptor: %s.", |
d4928d71 | 174 | libusb_error_name(ret)); |
187b3582 JH |
175 | continue; |
176 | } | |
177 | ||
da686568 | 178 | prof = NULL; |
187b3582 JH |
179 | for (j = 0; supported_fx2[j].vid; j++) { |
180 | if (des.idVendor == supported_fx2[j].vid && | |
181 | des.idProduct == supported_fx2[j].pid) { | |
da686568 | 182 | prof = &supported_fx2[j]; |
187b3582 JH |
183 | } |
184 | } | |
185 | ||
b99457f0 | 186 | /* Skip if the device was not found. */ |
da686568 | 187 | if (!prof) |
187b3582 JH |
188 | continue; |
189 | ||
dc9dbe94 | 190 | devcnt = g_slist_length(drvc->instances); |
187b3582 | 191 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, |
da686568 | 192 | prof->vendor, prof->model, prof->model_version); |
f4a9e5c0 | 193 | if (!sdi) |
25a0f108 | 194 | return NULL; |
a873c594 | 195 | sdi->driver = di; |
187b3582 | 196 | |
ba7dd8bb UH |
197 | /* Fill in channellist according to this device's profile. */ |
198 | num_logic_channels = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8; | |
199 | for (j = 0; j < num_logic_channels; j++) { | |
3f239f08 | 200 | if (!(ch = sr_channel_new(j, SR_CHANNEL_LOGIC, TRUE, |
ba7dd8bb | 201 | channel_names[j]))) |
25a0f108 | 202 | return NULL; |
ba7dd8bb | 203 | sdi->channels = g_slist_append(sdi->channels, ch); |
06717a8a BV |
204 | } |
205 | ||
dc9dbe94 BV |
206 | devc = fx2lafw_dev_new(); |
207 | devc->profile = prof; | |
208 | sdi->priv = devc; | |
209 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
a8cc8e44 | 210 | devices = g_slist_append(devices, sdi); |
187b3582 | 211 | |
2f937611 | 212 | if (fx2lafw_check_conf_profile(devlist[i])) { |
b1eeb67e | 213 | /* Already has the firmware, so fix the new address. */ |
f427daef | 214 | sr_dbg("Found an fx2lafw device."); |
b1eeb67e | 215 | sdi->status = SR_ST_INACTIVE; |
250a78c7 BV |
216 | sdi->inst_type = SR_INST_USB; |
217 | sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]), | |
218 | libusb_get_device_address(devlist[i]), NULL); | |
b1eeb67e | 219 | } else { |
f8b07fc6 | 220 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
da686568 | 221 | prof->firmware) == SR_OK) |
b99457f0 | 222 | /* Store when this device's FW was updated. */ |
dc9dbe94 | 223 | devc->fw_updated = g_get_monotonic_time(); |
b1eeb67e | 224 | else |
f427daef | 225 | sr_err("Firmware upload failed for " |
7ae2f9d5 | 226 | "device %d.", devcnt); |
250a78c7 | 227 | sdi->inst_type = SR_INST_USB; |
87b545fb | 228 | sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]), |
250a78c7 | 229 | 0xff, NULL); |
b1eeb67e | 230 | } |
187b3582 JH |
231 | } |
232 | libusb_free_device_list(devlist, 1); | |
9dc7a75e | 233 | g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free); |
187b3582 | 234 | |
3a7a22cb | 235 | return devices; |
f302a082 JH |
236 | } |
237 | ||
6078d2c9 | 238 | static GSList *dev_list(void) |
811deee4 | 239 | { |
0e94d524 | 240 | return ((struct drv_context *)(di->priv))->instances; |
811deee4 BV |
241 | } |
242 | ||
6078d2c9 | 243 | static int dev_open(struct sr_dev_inst *sdi) |
f302a082 | 244 | { |
250a78c7 | 245 | struct sr_usb_dev_inst *usb; |
dc9dbe94 | 246 | struct dev_context *devc; |
e8bd58ff UH |
247 | int ret; |
248 | int64_t timediff_us, timediff_ms; | |
43125c69 | 249 | |
dc9dbe94 | 250 | devc = sdi->priv; |
250a78c7 | 251 | usb = sdi->conn; |
43125c69 JH |
252 | |
253 | /* | |
f60fdf6e UH |
254 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
255 | * milliseconds for the FX2 to renumerate. | |
43125c69 | 256 | */ |
3b6c1930 | 257 | ret = SR_ERR; |
dc9dbe94 | 258 | if (devc->fw_updated > 0) { |
f427daef | 259 | sr_info("Waiting for device to reset."); |
b99457f0 | 260 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ |
43125c69 | 261 | g_usleep(300 * 1000); |
e8bd58ff | 262 | timediff_ms = 0; |
f60fdf6e | 263 | while (timediff_ms < MAX_RENUM_DELAY_MS) { |
2f937611 | 264 | if ((ret = fx2lafw_dev_open(sdi, di)) == SR_OK) |
43125c69 JH |
265 | break; |
266 | g_usleep(100 * 1000); | |
e8bd58ff | 267 | |
dc9dbe94 | 268 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
3b6c1930 | 269 | timediff_ms = timediff_us / 1000; |
b99457f0 | 270 | sr_spew("Waited %" PRIi64 "ms.", timediff_ms); |
43125c69 | 271 | } |
443a14d8 AG |
272 | if (ret != SR_OK) { |
273 | sr_err("Device failed to renumerate."); | |
274 | return SR_ERR; | |
275 | } | |
c0bf69c2 | 276 | sr_info("Device came back after %" PRIi64 "ms.", timediff_ms); |
43125c69 | 277 | } else { |
443a14d8 | 278 | sr_info("Firmware upload was not needed."); |
2f937611 | 279 | ret = fx2lafw_dev_open(sdi, di); |
43125c69 JH |
280 | } |
281 | ||
ebc34738 | 282 | if (ret != SR_OK) { |
f427daef | 283 | sr_err("Unable to open device."); |
43125c69 JH |
284 | return SR_ERR; |
285 | } | |
378abfea | 286 | |
250a78c7 | 287 | ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
ebc34738 | 288 | if (ret != 0) { |
87b545fb | 289 | switch (ret) { |
0c156e06 | 290 | case LIBUSB_ERROR_BUSY: |
f427daef | 291 | sr_err("Unable to claim USB interface. Another " |
b99457f0 | 292 | "program or driver has already claimed it."); |
0c156e06 | 293 | break; |
0c156e06 | 294 | case LIBUSB_ERROR_NO_DEVICE: |
f427daef | 295 | sr_err("Device has been disconnected."); |
0c156e06 | 296 | break; |
0c156e06 | 297 | default: |
f427daef | 298 | sr_err("Unable to claim interface: %s.", |
d4928d71 | 299 | libusb_error_name(ret)); |
0c156e06 JH |
300 | break; |
301 | } | |
302 | ||
43125c69 JH |
303 | return SR_ERR; |
304 | } | |
305 | ||
dc9dbe94 | 306 | if (devc->cur_samplerate == 0) { |
f92994fd | 307 | /* Samplerate hasn't been set; default to the slowest one. */ |
d6836bf1 | 308 | devc->cur_samplerate = samplerates[0]; |
f92994fd JH |
309 | } |
310 | ||
f302a082 JH |
311 | return SR_OK; |
312 | } | |
313 | ||
6078d2c9 | 314 | static int dev_close(struct sr_dev_inst *sdi) |
f302a082 | 315 | { |
250a78c7 | 316 | struct sr_usb_dev_inst *usb; |
961009b0 | 317 | |
250a78c7 BV |
318 | usb = sdi->conn; |
319 | if (usb->devhdl == NULL) | |
25a0f108 | 320 | return SR_ERR; |
f1898235 | 321 | |
250a78c7 BV |
322 | sr_info("fx2lafw: Closing device %d on %d.%d interface %d.", |
323 | sdi->index, usb->bus, usb->address, USB_INTERFACE); | |
324 | libusb_release_interface(usb->devhdl, USB_INTERFACE); | |
325 | libusb_close(usb->devhdl); | |
326 | usb->devhdl = NULL; | |
25a0f108 | 327 | sdi->status = SR_ST_INACTIVE; |
f1898235 | 328 | |
f302a082 JH |
329 | return SR_OK; |
330 | } | |
331 | ||
6078d2c9 | 332 | static int cleanup(void) |
f302a082 | 333 | { |
f69b47f0 | 334 | int ret; |
3b412e3a | 335 | struct drv_context *drvc; |
187b3582 | 336 | |
a873c594 | 337 | if (!(drvc = di->priv)) |
dc9dbe94 BV |
338 | return SR_OK; |
339 | ||
a6630742 BV |
340 | |
341 | ret = std_dev_clear(di, NULL); | |
187b3582 | 342 | |
dc9dbe94 | 343 | g_free(drvc); |
a873c594 | 344 | di->priv = NULL; |
187b3582 | 345 | |
62bc70e4 | 346 | return ret; |
f302a082 JH |
347 | } |
348 | ||
8f996b89 | 349 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 350 | const struct sr_channel_group *cg) |
f302a082 | 351 | { |
dc9dbe94 | 352 | struct dev_context *devc; |
89befd46 BV |
353 | struct sr_usb_dev_inst *usb; |
354 | char str[128]; | |
8b35f474 | 355 | |
53b4680f | 356 | (void)cg; |
8f996b89 | 357 | |
035a1078 | 358 | switch (id) { |
89befd46 BV |
359 | case SR_CONF_CONN: |
360 | if (!sdi || !sdi->conn) | |
38ab8dbe | 361 | return SR_ERR_ARG; |
89befd46 BV |
362 | usb = sdi->conn; |
363 | if (usb->address == 255) | |
364 | /* Device still needs to re-enumerate after firmware | |
365 | * upload, so we don't know its (future) address. */ | |
366 | return SR_ERR; | |
367 | snprintf(str, 128, "%d.%d", usb->bus, usb->address); | |
368 | *data = g_variant_new_string(str); | |
369 | break; | |
123e1313 | 370 | case SR_CONF_SAMPLERATE: |
89befd46 | 371 | if (!sdi) |
6e9339aa | 372 | return SR_ERR; |
89befd46 BV |
373 | devc = sdi->priv; |
374 | *data = g_variant_new_uint64(devc->cur_samplerate); | |
6e9339aa BV |
375 | break; |
376 | default: | |
bd6fbf62 | 377 | return SR_ERR_NA; |
8b35f474 JH |
378 | } |
379 | ||
6e9339aa | 380 | return SR_OK; |
f302a082 JH |
381 | } |
382 | ||
8f996b89 | 383 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 384 | const struct sr_channel_group *cg) |
f302a082 | 385 | { |
dc9dbe94 | 386 | struct dev_context *devc; |
7cb621d4 JH |
387 | int ret; |
388 | ||
53b4680f | 389 | (void)cg; |
8f996b89 | 390 | |
e73ffd42 BV |
391 | if (sdi->status != SR_ST_ACTIVE) |
392 | return SR_ERR; | |
393 | ||
dc9dbe94 | 394 | devc = sdi->priv; |
7cb621d4 | 395 | |
035a1078 | 396 | if (id == SR_CONF_SAMPLERATE) { |
d6836bf1 | 397 | devc->cur_samplerate = g_variant_get_uint64(data); |
e3186647 | 398 | ret = SR_OK; |
035a1078 | 399 | } else if (id == SR_CONF_LIMIT_SAMPLES) { |
d6836bf1 | 400 | devc->limit_samples = g_variant_get_uint64(data); |
7cb621d4 JH |
401 | ret = SR_OK; |
402 | } else { | |
bd6fbf62 | 403 | ret = SR_ERR_NA; |
7cb621d4 JH |
404 | } |
405 | ||
406 | return ret; | |
f302a082 JH |
407 | } |
408 | ||
8f996b89 | 409 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 410 | const struct sr_channel_group *cg) |
a1c743fc | 411 | { |
d6836bf1 BV |
412 | GVariant *gvar; |
413 | GVariantBuilder gvb; | |
a1c743fc BV |
414 | |
415 | (void)sdi; | |
53b4680f | 416 | (void)cg; |
a1c743fc BV |
417 | |
418 | switch (key) { | |
89befd46 BV |
419 | case SR_CONF_SCAN_OPTIONS: |
420 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
421 | hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); | |
422 | break; | |
9a6517d1 | 423 | case SR_CONF_DEVICE_OPTIONS: |
d6836bf1 BV |
424 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
425 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
9a6517d1 | 426 | break; |
a1c743fc | 427 | case SR_CONF_SAMPLERATE: |
d6836bf1 BV |
428 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); |
429 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
430 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
431 | g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar); | |
432 | *data = g_variant_builder_end(&gvb); | |
a1c743fc | 433 | break; |
c50277a6 | 434 | case SR_CONF_TRIGGER_TYPE: |
d6836bf1 | 435 | *data = g_variant_new_string(TRIGGER_TYPE); |
c50277a6 | 436 | break; |
a1c743fc | 437 | default: |
bd6fbf62 | 438 | return SR_ERR_NA; |
a1c743fc BV |
439 | } |
440 | ||
441 | return SR_OK; | |
442 | } | |
443 | ||
1f9813eb | 444 | static int receive_data(int fd, int revents, void *cb_data) |
610dbb70 JH |
445 | { |
446 | struct timeval tv; | |
b99457f0 | 447 | struct drv_context *drvc; |
610dbb70 | 448 | |
610dbb70 JH |
449 | (void)fd; |
450 | (void)revents; | |
1f9813eb | 451 | (void)cb_data; |
610dbb70 | 452 | |
b99457f0 UH |
453 | drvc = di->priv; |
454 | ||
610dbb70 | 455 | tv.tv_sec = tv.tv_usec = 0; |
d4abb463 | 456 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
610dbb70 JH |
457 | |
458 | return TRUE; | |
459 | } | |
460 | ||
6078d2c9 | 461 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
f302a082 | 462 | { |
dc9dbe94 | 463 | struct dev_context *devc; |
b99457f0 | 464 | struct drv_context *drvc; |
250a78c7 | 465 | struct sr_usb_dev_inst *usb; |
610dbb70 | 466 | struct libusb_transfer *transfer; |
b99457f0 | 467 | unsigned int i, timeout, num_transfers; |
5af666a9 | 468 | int ret; |
610dbb70 | 469 | unsigned char *buf; |
b99457f0 | 470 | size_t size; |
610dbb70 | 471 | |
e73ffd42 BV |
472 | if (sdi->status != SR_ST_ACTIVE) |
473 | return SR_ERR_DEV_CLOSED; | |
474 | ||
b99457f0 | 475 | drvc = di->priv; |
dc9dbe94 | 476 | devc = sdi->priv; |
250a78c7 | 477 | usb = sdi->conn; |
b99457f0 | 478 | |
2a67abfe | 479 | /* Configures devc->trigger_* and devc->sample_wide */ |
ba7dd8bb UH |
480 | if (fx2lafw_configure_channels(sdi) != SR_OK) { |
481 | sr_err("Failed to configure channels."); | |
014359e3 BV |
482 | return SR_ERR; |
483 | } | |
484 | ||
3e9b7f9c | 485 | devc->cb_data = cb_data; |
b0ccd64d BV |
486 | devc->sent_samples = 0; |
487 | devc->acq_aborted = FALSE; | |
dc9dbe94 | 488 | devc->empty_transfer_count = 0; |
610dbb70 | 489 | |
2f937611 UH |
490 | timeout = fx2lafw_get_timeout(devc); |
491 | num_transfers = fx2lafw_get_number_of_transfers(devc); | |
492 | size = fx2lafw_get_buffer_size(devc); | |
2a67abfe | 493 | devc->submitted_transfers = 0; |
5af666a9 | 494 | |
dc9dbe94 | 495 | devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers); |
886a52b6 | 496 | if (!devc->transfers) { |
f427daef | 497 | sr_err("USB transfers malloc failed."); |
886a52b6 UH |
498 | return SR_ERR_MALLOC; |
499 | } | |
0caa1ef0 | 500 | |
dc9dbe94 | 501 | devc->num_transfers = num_transfers; |
5af666a9 | 502 | for (i = 0; i < num_transfers; i++) { |
610dbb70 | 503 | if (!(buf = g_try_malloc(size))) { |
b99457f0 | 504 | sr_err("USB transfer buffer malloc failed."); |
610dbb70 JH |
505 | return SR_ERR_MALLOC; |
506 | } | |
507 | transfer = libusb_alloc_transfer(0); | |
250a78c7 | 508 | libusb_fill_bulk_transfer(transfer, usb->devhdl, |
610dbb70 | 509 | 2 | LIBUSB_ENDPOINT_IN, buf, size, |
2f937611 | 510 | fx2lafw_receive_transfer, devc, timeout); |
d4928d71 | 511 | if ((ret = libusb_submit_transfer(transfer)) != 0) { |
b99457f0 UH |
512 | sr_err("Failed to submit transfer: %s.", |
513 | libusb_error_name(ret)); | |
610dbb70 JH |
514 | libusb_free_transfer(transfer); |
515 | g_free(buf); | |
2f937611 | 516 | fx2lafw_abort_acquisition(devc); |
610dbb70 JH |
517 | return SR_ERR; |
518 | } | |
dc9dbe94 BV |
519 | devc->transfers[i] = transfer; |
520 | devc->submitted_transfers++; | |
610dbb70 JH |
521 | } |
522 | ||
6c60facc ML |
523 | devc->ctx = drvc->sr_ctx; |
524 | ||
525 | usb_source_add(devc->ctx, timeout, receive_data, NULL); | |
610dbb70 | 526 | |
4afdfd46 | 527 | /* Send header packet to the session bus. */ |
29a27196 | 528 | std_session_send_df_header(cb_data, LOG_PREFIX); |
f366e86c | 529 | |
2f937611 | 530 | if ((ret = fx2lafw_command_start_acquisition(usb->devhdl, |
dc9dbe94 | 531 | devc->cur_samplerate, devc->sample_wide)) != SR_OK) { |
2f937611 | 532 | fx2lafw_abort_acquisition(devc); |
ebc34738 | 533 | return ret; |
017375d1 JH |
534 | } |
535 | ||
f302a082 JH |
536 | return SR_OK; |
537 | } | |
538 | ||
6078d2c9 | 539 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
f302a082 | 540 | { |
2e526f4a | 541 | (void)cb_data; |
5da93902 | 542 | |
2f937611 | 543 | fx2lafw_abort_acquisition(sdi->priv); |
5da93902 | 544 | |
f302a082 JH |
545 | return SR_OK; |
546 | } | |
547 | ||
c09f0b57 | 548 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { |
f302a082 | 549 | .name = "fx2lafw", |
2e7cb004 | 550 | .longname = "fx2lafw (generic driver for FX2 based LAs)", |
f302a082 | 551 | .api_version = 1, |
6078d2c9 UH |
552 | .init = init, |
553 | .cleanup = cleanup, | |
554 | .scan = scan, | |
555 | .dev_list = dev_list, | |
a6630742 | 556 | .dev_clear = NULL, |
035a1078 BV |
557 | .config_get = config_get, |
558 | .config_set = config_set, | |
a1c743fc | 559 | .config_list = config_list, |
6078d2c9 UH |
560 | .dev_open = dev_open, |
561 | .dev_close = dev_close, | |
562 | .dev_acquisition_start = dev_acquisition_start, | |
563 | .dev_acquisition_stop = dev_acquisition_stop, | |
dc9dbe94 | 564 | .priv = NULL, |
f302a082 | 565 | }; |