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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 | ||
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 | 30 | FIRMWARE_DIR "/fx2lafw-cwav-usbeeax.fw", |
e826239c | 31 | 0, NULL, NULL}, |
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", | |
e826239c | 38 | DEV_CAPS_16BIT, NULL, NULL }, |
93a9f3da | 39 | |
7ae2f9d5 UH |
40 | /* |
41 | * CWAV USBee SX | |
4502e869 JH |
42 | */ |
43 | { 0x08a9, 0x0009, "CWAV", "USBee SX", NULL, | |
d1ddc7a9 | 44 | FIRMWARE_DIR "/fx2lafw-cwav-usbeesx.fw", |
e826239c | 45 | 0, NULL, NULL}, |
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 | 54 | FIRMWARE_DIR "/fx2lafw-saleae-logic.fw", |
e826239c | 55 | 0, NULL, NULL}, |
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 | 63 | FIRMWARE_DIR "/fx2lafw-cypress-fx2.fw", |
e826239c | 64 | DEV_CAPS_16BIT, NULL, NULL }, |
f488762a | 65 | |
1663e470 UH |
66 | /* |
67 | * Braintechnology USB-LPS | |
68 | */ | |
69 | { 0x16d0, 0x0498, "Braintechnology", "USB-LPS", NULL, | |
d1ddc7a9 | 70 | FIRMWARE_DIR "/fx2lafw-braintechnology-usb-lps.fw", |
e826239c | 71 | DEV_CAPS_16BIT, NULL, NULL }, |
1663e470 | 72 | |
e826239c | 73 | { 0, 0, 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; |
e826239c | 135 | struct libusb_device_handle *hdl; |
ba7dd8bb | 136 | int devcnt, num_logic_channels, ret, i, j; |
754b5ff2 | 137 | const char *conn; |
e826239c | 138 | char manufacturer[64], product[64]; |
3a7a22cb | 139 | |
a873c594 | 140 | drvc = di->priv; |
187b3582 | 141 | |
754b5ff2 BV |
142 | conn = NULL; |
143 | for (l = options; l; l = l->next) { | |
144 | src = l->data; | |
145 | switch (src->key) { | |
146 | case SR_CONF_CONN: | |
147 | conn = g_variant_get_string(src->data, NULL); | |
148 | break; | |
149 | } | |
150 | } | |
151 | if (conn) | |
152 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
153 | else | |
154 | conn_devices = NULL; | |
155 | ||
921634ec | 156 | /* Find all fx2lafw compatible devices and upload firmware to them. */ |
3a7a22cb | 157 | devices = NULL; |
d4abb463 | 158 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
187b3582 | 159 | for (i = 0; devlist[i]; i++) { |
754b5ff2 BV |
160 | if (conn) { |
161 | usb = NULL; | |
162 | for (l = conn_devices; l; l = l->next) { | |
163 | usb = l->data; | |
164 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
165 | && usb->address == libusb_get_device_address(devlist[i])) | |
166 | break; | |
167 | } | |
168 | if (!l) | |
169 | /* This device matched none of the ones that | |
170 | * matched the conn specification. */ | |
171 | continue; | |
172 | } | |
187b3582 | 173 | |
754b5ff2 | 174 | if ((ret = libusb_get_device_descriptor( devlist[i], &des)) != 0) { |
f427daef | 175 | sr_warn("Failed to get device descriptor: %s.", |
d4928d71 | 176 | libusb_error_name(ret)); |
187b3582 JH |
177 | continue; |
178 | } | |
179 | ||
e826239c ML |
180 | if ((ret = libusb_open(devlist[i], &hdl)) < 0) |
181 | continue; | |
182 | ||
183 | if (des.iManufacturer == 0) { | |
184 | manufacturer[0] = '\0'; | |
185 | } else if ((ret = libusb_get_string_descriptor_ascii(hdl, | |
186 | des.iManufacturer, (unsigned char *) manufacturer, | |
187 | sizeof(manufacturer))) < 0) { | |
188 | sr_warn("Failed to get manufacturer string descriptor: %s.", | |
189 | libusb_error_name(ret)); | |
190 | continue; | |
191 | } | |
192 | ||
193 | if (des.iProduct == 0) { | |
194 | product[0] = '\0'; | |
195 | } else if ((ret = libusb_get_string_descriptor_ascii(hdl, | |
196 | des.iProduct, (unsigned char *) product, | |
197 | sizeof(product))) < 0) { | |
198 | sr_warn("Failed to get product string descriptor: %s.", | |
199 | libusb_error_name(ret)); | |
200 | continue; | |
201 | } | |
202 | ||
203 | libusb_close(hdl); | |
204 | ||
da686568 | 205 | prof = NULL; |
187b3582 JH |
206 | for (j = 0; supported_fx2[j].vid; j++) { |
207 | if (des.idVendor == supported_fx2[j].vid && | |
e826239c ML |
208 | des.idProduct == supported_fx2[j].pid && |
209 | (!supported_fx2[j].usb_manufacturer || | |
210 | !strcmp(manufacturer, supported_fx2[j].usb_manufacturer)) && | |
211 | (!supported_fx2[j].usb_manufacturer || | |
212 | !strcmp(product, supported_fx2[j].usb_product))) { | |
da686568 | 213 | prof = &supported_fx2[j]; |
e826239c | 214 | break; |
187b3582 JH |
215 | } |
216 | } | |
217 | ||
b99457f0 | 218 | /* Skip if the device was not found. */ |
da686568 | 219 | if (!prof) |
187b3582 JH |
220 | continue; |
221 | ||
dc9dbe94 | 222 | devcnt = g_slist_length(drvc->instances); |
187b3582 | 223 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, |
da686568 | 224 | prof->vendor, prof->model, prof->model_version); |
f4a9e5c0 | 225 | if (!sdi) |
25a0f108 | 226 | return NULL; |
a873c594 | 227 | sdi->driver = di; |
187b3582 | 228 | |
ba7dd8bb UH |
229 | /* Fill in channellist according to this device's profile. */ |
230 | num_logic_channels = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8; | |
231 | for (j = 0; j < num_logic_channels; j++) { | |
3f239f08 | 232 | if (!(ch = sr_channel_new(j, SR_CHANNEL_LOGIC, TRUE, |
ba7dd8bb | 233 | channel_names[j]))) |
25a0f108 | 234 | return NULL; |
ba7dd8bb | 235 | sdi->channels = g_slist_append(sdi->channels, ch); |
06717a8a BV |
236 | } |
237 | ||
dc9dbe94 BV |
238 | devc = fx2lafw_dev_new(); |
239 | devc->profile = prof; | |
240 | sdi->priv = devc; | |
241 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
a8cc8e44 | 242 | devices = g_slist_append(devices, sdi); |
187b3582 | 243 | |
2f937611 | 244 | if (fx2lafw_check_conf_profile(devlist[i])) { |
b1eeb67e | 245 | /* Already has the firmware, so fix the new address. */ |
f427daef | 246 | sr_dbg("Found an fx2lafw device."); |
b1eeb67e | 247 | sdi->status = SR_ST_INACTIVE; |
250a78c7 BV |
248 | sdi->inst_type = SR_INST_USB; |
249 | sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]), | |
250 | libusb_get_device_address(devlist[i]), NULL); | |
b1eeb67e | 251 | } else { |
f8b07fc6 | 252 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
da686568 | 253 | prof->firmware) == SR_OK) |
b99457f0 | 254 | /* Store when this device's FW was updated. */ |
dc9dbe94 | 255 | devc->fw_updated = g_get_monotonic_time(); |
b1eeb67e | 256 | else |
f427daef | 257 | sr_err("Firmware upload failed for " |
7ae2f9d5 | 258 | "device %d.", devcnt); |
250a78c7 | 259 | sdi->inst_type = SR_INST_USB; |
87b545fb | 260 | sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]), |
250a78c7 | 261 | 0xff, NULL); |
b1eeb67e | 262 | } |
187b3582 JH |
263 | } |
264 | libusb_free_device_list(devlist, 1); | |
9dc7a75e | 265 | g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free); |
187b3582 | 266 | |
3a7a22cb | 267 | return devices; |
f302a082 JH |
268 | } |
269 | ||
6078d2c9 | 270 | static GSList *dev_list(void) |
811deee4 | 271 | { |
0e94d524 | 272 | return ((struct drv_context *)(di->priv))->instances; |
811deee4 BV |
273 | } |
274 | ||
6078d2c9 | 275 | static int dev_open(struct sr_dev_inst *sdi) |
f302a082 | 276 | { |
250a78c7 | 277 | struct sr_usb_dev_inst *usb; |
dc9dbe94 | 278 | struct dev_context *devc; |
e8bd58ff UH |
279 | int ret; |
280 | int64_t timediff_us, timediff_ms; | |
43125c69 | 281 | |
dc9dbe94 | 282 | devc = sdi->priv; |
250a78c7 | 283 | usb = sdi->conn; |
43125c69 JH |
284 | |
285 | /* | |
f60fdf6e UH |
286 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
287 | * milliseconds for the FX2 to renumerate. | |
43125c69 | 288 | */ |
3b6c1930 | 289 | ret = SR_ERR; |
dc9dbe94 | 290 | if (devc->fw_updated > 0) { |
f427daef | 291 | sr_info("Waiting for device to reset."); |
b99457f0 | 292 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ |
43125c69 | 293 | g_usleep(300 * 1000); |
e8bd58ff | 294 | timediff_ms = 0; |
f60fdf6e | 295 | while (timediff_ms < MAX_RENUM_DELAY_MS) { |
2f937611 | 296 | if ((ret = fx2lafw_dev_open(sdi, di)) == SR_OK) |
43125c69 JH |
297 | break; |
298 | g_usleep(100 * 1000); | |
e8bd58ff | 299 | |
dc9dbe94 | 300 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
3b6c1930 | 301 | timediff_ms = timediff_us / 1000; |
b99457f0 | 302 | sr_spew("Waited %" PRIi64 "ms.", timediff_ms); |
43125c69 | 303 | } |
443a14d8 AG |
304 | if (ret != SR_OK) { |
305 | sr_err("Device failed to renumerate."); | |
306 | return SR_ERR; | |
307 | } | |
c0bf69c2 | 308 | sr_info("Device came back after %" PRIi64 "ms.", timediff_ms); |
43125c69 | 309 | } else { |
443a14d8 | 310 | sr_info("Firmware upload was not needed."); |
2f937611 | 311 | ret = fx2lafw_dev_open(sdi, di); |
43125c69 JH |
312 | } |
313 | ||
ebc34738 | 314 | if (ret != SR_OK) { |
f427daef | 315 | sr_err("Unable to open device."); |
43125c69 JH |
316 | return SR_ERR; |
317 | } | |
378abfea | 318 | |
250a78c7 | 319 | ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
ebc34738 | 320 | if (ret != 0) { |
87b545fb | 321 | switch (ret) { |
0c156e06 | 322 | case LIBUSB_ERROR_BUSY: |
f427daef | 323 | sr_err("Unable to claim USB interface. Another " |
b99457f0 | 324 | "program or driver has already claimed it."); |
0c156e06 | 325 | break; |
0c156e06 | 326 | case LIBUSB_ERROR_NO_DEVICE: |
f427daef | 327 | sr_err("Device has been disconnected."); |
0c156e06 | 328 | break; |
0c156e06 | 329 | default: |
f427daef | 330 | sr_err("Unable to claim interface: %s.", |
d4928d71 | 331 | libusb_error_name(ret)); |
0c156e06 JH |
332 | break; |
333 | } | |
334 | ||
43125c69 JH |
335 | return SR_ERR; |
336 | } | |
337 | ||
dc9dbe94 | 338 | if (devc->cur_samplerate == 0) { |
f92994fd | 339 | /* Samplerate hasn't been set; default to the slowest one. */ |
d6836bf1 | 340 | devc->cur_samplerate = samplerates[0]; |
f92994fd JH |
341 | } |
342 | ||
f302a082 JH |
343 | return SR_OK; |
344 | } | |
345 | ||
6078d2c9 | 346 | static int dev_close(struct sr_dev_inst *sdi) |
f302a082 | 347 | { |
250a78c7 | 348 | struct sr_usb_dev_inst *usb; |
961009b0 | 349 | |
250a78c7 BV |
350 | usb = sdi->conn; |
351 | if (usb->devhdl == NULL) | |
25a0f108 | 352 | return SR_ERR; |
f1898235 | 353 | |
250a78c7 BV |
354 | sr_info("fx2lafw: Closing device %d on %d.%d interface %d.", |
355 | sdi->index, usb->bus, usb->address, USB_INTERFACE); | |
356 | libusb_release_interface(usb->devhdl, USB_INTERFACE); | |
357 | libusb_close(usb->devhdl); | |
358 | usb->devhdl = NULL; | |
25a0f108 | 359 | sdi->status = SR_ST_INACTIVE; |
f1898235 | 360 | |
f302a082 JH |
361 | return SR_OK; |
362 | } | |
363 | ||
6078d2c9 | 364 | static int cleanup(void) |
f302a082 | 365 | { |
f69b47f0 | 366 | int ret; |
3b412e3a | 367 | struct drv_context *drvc; |
187b3582 | 368 | |
a873c594 | 369 | if (!(drvc = di->priv)) |
dc9dbe94 BV |
370 | return SR_OK; |
371 | ||
a6630742 BV |
372 | |
373 | ret = std_dev_clear(di, NULL); | |
187b3582 | 374 | |
dc9dbe94 | 375 | g_free(drvc); |
a873c594 | 376 | di->priv = NULL; |
187b3582 | 377 | |
62bc70e4 | 378 | return ret; |
f302a082 JH |
379 | } |
380 | ||
8f996b89 | 381 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 382 | const struct sr_channel_group *cg) |
f302a082 | 383 | { |
dc9dbe94 | 384 | struct dev_context *devc; |
89befd46 BV |
385 | struct sr_usb_dev_inst *usb; |
386 | char str[128]; | |
8b35f474 | 387 | |
53b4680f | 388 | (void)cg; |
8f996b89 | 389 | |
a920a7d8 ML |
390 | if (!sdi) |
391 | return SR_ERR_ARG; | |
392 | ||
393 | devc = sdi->priv; | |
394 | ||
035a1078 | 395 | switch (id) { |
89befd46 | 396 | case SR_CONF_CONN: |
a920a7d8 | 397 | if (!sdi->conn) |
38ab8dbe | 398 | return SR_ERR_ARG; |
89befd46 BV |
399 | usb = sdi->conn; |
400 | if (usb->address == 255) | |
401 | /* Device still needs to re-enumerate after firmware | |
402 | * upload, so we don't know its (future) address. */ | |
403 | return SR_ERR; | |
404 | snprintf(str, 128, "%d.%d", usb->bus, usb->address); | |
405 | *data = g_variant_new_string(str); | |
406 | break; | |
a920a7d8 ML |
407 | case SR_CONF_LIMIT_SAMPLES: |
408 | *data = g_variant_new_uint64(devc->limit_samples); | |
409 | break; | |
123e1313 | 410 | case SR_CONF_SAMPLERATE: |
89befd46 | 411 | *data = g_variant_new_uint64(devc->cur_samplerate); |
6e9339aa BV |
412 | break; |
413 | default: | |
bd6fbf62 | 414 | return SR_ERR_NA; |
8b35f474 JH |
415 | } |
416 | ||
6e9339aa | 417 | return SR_OK; |
f302a082 JH |
418 | } |
419 | ||
8f996b89 | 420 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 421 | const struct sr_channel_group *cg) |
f302a082 | 422 | { |
dc9dbe94 | 423 | struct dev_context *devc; |
7cb621d4 JH |
424 | int ret; |
425 | ||
53b4680f | 426 | (void)cg; |
8f996b89 | 427 | |
1c48000d ML |
428 | if (!sdi) |
429 | return SR_ERR_ARG; | |
430 | ||
e73ffd42 BV |
431 | if (sdi->status != SR_ST_ACTIVE) |
432 | return SR_ERR; | |
433 | ||
dc9dbe94 | 434 | devc = sdi->priv; |
7cb621d4 | 435 | |
1c48000d ML |
436 | ret = SR_OK; |
437 | ||
438 | switch (id) | |
439 | { | |
440 | case SR_CONF_SAMPLERATE: | |
441 | devc->cur_samplerate = g_variant_get_uint64(data); | |
442 | break; | |
443 | case SR_CONF_LIMIT_SAMPLES: | |
444 | devc->limit_samples = g_variant_get_uint64(data); | |
445 | break; | |
446 | default: | |
447 | ret = SR_ERR_NA; | |
7cb621d4 JH |
448 | } |
449 | ||
450 | return ret; | |
f302a082 JH |
451 | } |
452 | ||
8f996b89 | 453 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 454 | const struct sr_channel_group *cg) |
a1c743fc | 455 | { |
d6836bf1 BV |
456 | GVariant *gvar; |
457 | GVariantBuilder gvb; | |
a1c743fc BV |
458 | |
459 | (void)sdi; | |
53b4680f | 460 | (void)cg; |
a1c743fc BV |
461 | |
462 | switch (key) { | |
89befd46 BV |
463 | case SR_CONF_SCAN_OPTIONS: |
464 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
465 | hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); | |
466 | break; | |
9a6517d1 | 467 | case SR_CONF_DEVICE_OPTIONS: |
d6836bf1 BV |
468 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
469 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
9a6517d1 | 470 | break; |
a1c743fc | 471 | case SR_CONF_SAMPLERATE: |
d6836bf1 BV |
472 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); |
473 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
474 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
475 | g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar); | |
476 | *data = g_variant_builder_end(&gvb); | |
a1c743fc | 477 | break; |
c50277a6 | 478 | case SR_CONF_TRIGGER_TYPE: |
d6836bf1 | 479 | *data = g_variant_new_string(TRIGGER_TYPE); |
c50277a6 | 480 | break; |
a1c743fc | 481 | default: |
bd6fbf62 | 482 | return SR_ERR_NA; |
a1c743fc BV |
483 | } |
484 | ||
485 | return SR_OK; | |
486 | } | |
487 | ||
1f9813eb | 488 | static int receive_data(int fd, int revents, void *cb_data) |
610dbb70 JH |
489 | { |
490 | struct timeval tv; | |
b99457f0 | 491 | struct drv_context *drvc; |
610dbb70 | 492 | |
610dbb70 JH |
493 | (void)fd; |
494 | (void)revents; | |
1f9813eb | 495 | (void)cb_data; |
610dbb70 | 496 | |
b99457f0 UH |
497 | drvc = di->priv; |
498 | ||
610dbb70 | 499 | tv.tv_sec = tv.tv_usec = 0; |
d4abb463 | 500 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
610dbb70 JH |
501 | |
502 | return TRUE; | |
503 | } | |
504 | ||
6078d2c9 | 505 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
f302a082 | 506 | { |
dc9dbe94 | 507 | struct dev_context *devc; |
b99457f0 | 508 | struct drv_context *drvc; |
250a78c7 | 509 | struct sr_usb_dev_inst *usb; |
610dbb70 | 510 | struct libusb_transfer *transfer; |
b99457f0 | 511 | unsigned int i, timeout, num_transfers; |
5af666a9 | 512 | int ret; |
610dbb70 | 513 | unsigned char *buf; |
b99457f0 | 514 | size_t size; |
610dbb70 | 515 | |
e73ffd42 BV |
516 | if (sdi->status != SR_ST_ACTIVE) |
517 | return SR_ERR_DEV_CLOSED; | |
518 | ||
b99457f0 | 519 | drvc = di->priv; |
dc9dbe94 | 520 | devc = sdi->priv; |
250a78c7 | 521 | usb = sdi->conn; |
b99457f0 | 522 | |
2a67abfe | 523 | /* Configures devc->trigger_* and devc->sample_wide */ |
ba7dd8bb UH |
524 | if (fx2lafw_configure_channels(sdi) != SR_OK) { |
525 | sr_err("Failed to configure channels."); | |
014359e3 BV |
526 | return SR_ERR; |
527 | } | |
528 | ||
3e9b7f9c | 529 | devc->cb_data = cb_data; |
b0ccd64d BV |
530 | devc->sent_samples = 0; |
531 | devc->acq_aborted = FALSE; | |
dc9dbe94 | 532 | devc->empty_transfer_count = 0; |
610dbb70 | 533 | |
2f937611 UH |
534 | timeout = fx2lafw_get_timeout(devc); |
535 | num_transfers = fx2lafw_get_number_of_transfers(devc); | |
536 | size = fx2lafw_get_buffer_size(devc); | |
2a67abfe | 537 | devc->submitted_transfers = 0; |
5af666a9 | 538 | |
dc9dbe94 | 539 | devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers); |
886a52b6 | 540 | if (!devc->transfers) { |
f427daef | 541 | sr_err("USB transfers malloc failed."); |
886a52b6 UH |
542 | return SR_ERR_MALLOC; |
543 | } | |
0caa1ef0 | 544 | |
dc9dbe94 | 545 | devc->num_transfers = num_transfers; |
5af666a9 | 546 | for (i = 0; i < num_transfers; i++) { |
610dbb70 | 547 | if (!(buf = g_try_malloc(size))) { |
b99457f0 | 548 | sr_err("USB transfer buffer malloc failed."); |
610dbb70 JH |
549 | return SR_ERR_MALLOC; |
550 | } | |
551 | transfer = libusb_alloc_transfer(0); | |
250a78c7 | 552 | libusb_fill_bulk_transfer(transfer, usb->devhdl, |
610dbb70 | 553 | 2 | LIBUSB_ENDPOINT_IN, buf, size, |
2f937611 | 554 | fx2lafw_receive_transfer, devc, timeout); |
d4928d71 | 555 | if ((ret = libusb_submit_transfer(transfer)) != 0) { |
b99457f0 UH |
556 | sr_err("Failed to submit transfer: %s.", |
557 | libusb_error_name(ret)); | |
610dbb70 JH |
558 | libusb_free_transfer(transfer); |
559 | g_free(buf); | |
2f937611 | 560 | fx2lafw_abort_acquisition(devc); |
610dbb70 JH |
561 | return SR_ERR; |
562 | } | |
dc9dbe94 BV |
563 | devc->transfers[i] = transfer; |
564 | devc->submitted_transfers++; | |
610dbb70 JH |
565 | } |
566 | ||
6c60facc ML |
567 | devc->ctx = drvc->sr_ctx; |
568 | ||
569 | usb_source_add(devc->ctx, timeout, receive_data, NULL); | |
610dbb70 | 570 | |
4afdfd46 | 571 | /* Send header packet to the session bus. */ |
29a27196 | 572 | std_session_send_df_header(cb_data, LOG_PREFIX); |
f366e86c | 573 | |
a54edb1d | 574 | if ((ret = fx2lafw_command_start_acquisition(sdi)) != SR_OK) { |
2f937611 | 575 | fx2lafw_abort_acquisition(devc); |
ebc34738 | 576 | return ret; |
017375d1 JH |
577 | } |
578 | ||
f302a082 JH |
579 | return SR_OK; |
580 | } | |
581 | ||
6078d2c9 | 582 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
f302a082 | 583 | { |
2e526f4a | 584 | (void)cb_data; |
5da93902 | 585 | |
2f937611 | 586 | fx2lafw_abort_acquisition(sdi->priv); |
5da93902 | 587 | |
f302a082 JH |
588 | return SR_OK; |
589 | } | |
590 | ||
c09f0b57 | 591 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { |
f302a082 | 592 | .name = "fx2lafw", |
2e7cb004 | 593 | .longname = "fx2lafw (generic driver for FX2 based LAs)", |
f302a082 | 594 | .api_version = 1, |
6078d2c9 UH |
595 | .init = init, |
596 | .cleanup = cleanup, | |
597 | .scan = scan, | |
598 | .dev_list = dev_list, | |
a6630742 | 599 | .dev_clear = NULL, |
035a1078 BV |
600 | .config_get = config_get, |
601 | .config_set = config_set, | |
a1c743fc | 602 | .config_list = config_list, |
6078d2c9 UH |
603 | .dev_open = dev_open, |
604 | .dev_close = dev_close, | |
605 | .dev_acquisition_start = dev_acquisition_start, | |
606 | .dev_acquisition_stop = dev_acquisition_stop, | |
dc9dbe94 | 607 | .priv = NULL, |
f302a082 | 608 | }; |