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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 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 | ||
da686568 | 90 | static const char *probe_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 | |
3b412e3a | 118 | static int dev_clear(void) |
f69b47f0 | 119 | { |
72f9d6dc | 120 | return std_dev_clear(di, NULL); |
f69b47f0 BV |
121 | } |
122 | ||
6078d2c9 | 123 | static int init(struct sr_context *sr_ctx) |
61136ea6 | 124 | { |
f6beaac5 | 125 | return std_init(sr_ctx, di, LOG_PREFIX); |
61136ea6 BV |
126 | } |
127 | ||
6078d2c9 | 128 | static GSList *scan(GSList *options) |
f302a082 | 129 | { |
dc9dbe94 BV |
130 | struct drv_context *drvc; |
131 | struct dev_context *devc; | |
754b5ff2 BV |
132 | struct sr_dev_inst *sdi; |
133 | struct sr_usb_dev_inst *usb; | |
3a7a22cb | 134 | struct sr_probe *probe; |
754b5ff2 BV |
135 | struct sr_config *src; |
136 | const struct fx2lafw_profile *prof; | |
137 | GSList *l, *devices, *conn_devices; | |
138 | struct libusb_device_descriptor des; | |
187b3582 | 139 | libusb_device **devlist; |
3a7a22cb | 140 | int devcnt, num_logic_probes, ret, i, j; |
754b5ff2 | 141 | const char *conn; |
3a7a22cb | 142 | |
a873c594 | 143 | drvc = di->priv; |
187b3582 | 144 | |
754b5ff2 BV |
145 | conn = NULL; |
146 | for (l = options; l; l = l->next) { | |
147 | src = l->data; | |
148 | switch (src->key) { | |
149 | case SR_CONF_CONN: | |
150 | conn = g_variant_get_string(src->data, NULL); | |
151 | break; | |
152 | } | |
153 | } | |
154 | if (conn) | |
155 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
156 | else | |
157 | conn_devices = NULL; | |
158 | ||
921634ec | 159 | /* Find all fx2lafw compatible devices and upload firmware to them. */ |
3a7a22cb | 160 | devices = NULL; |
d4abb463 | 161 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
187b3582 | 162 | for (i = 0; devlist[i]; i++) { |
754b5ff2 BV |
163 | if (conn) { |
164 | usb = NULL; | |
165 | for (l = conn_devices; l; l = l->next) { | |
166 | usb = l->data; | |
167 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
168 | && usb->address == libusb_get_device_address(devlist[i])) | |
169 | break; | |
170 | } | |
171 | if (!l) | |
172 | /* This device matched none of the ones that | |
173 | * matched the conn specification. */ | |
174 | continue; | |
175 | } | |
187b3582 | 176 | |
754b5ff2 | 177 | if ((ret = libusb_get_device_descriptor( devlist[i], &des)) != 0) { |
f427daef | 178 | sr_warn("Failed to get device descriptor: %s.", |
d4928d71 | 179 | libusb_error_name(ret)); |
187b3582 JH |
180 | continue; |
181 | } | |
182 | ||
da686568 | 183 | prof = NULL; |
187b3582 JH |
184 | for (j = 0; supported_fx2[j].vid; j++) { |
185 | if (des.idVendor == supported_fx2[j].vid && | |
186 | des.idProduct == supported_fx2[j].pid) { | |
da686568 | 187 | prof = &supported_fx2[j]; |
187b3582 JH |
188 | } |
189 | } | |
190 | ||
b99457f0 | 191 | /* Skip if the device was not found. */ |
da686568 | 192 | if (!prof) |
187b3582 JH |
193 | continue; |
194 | ||
dc9dbe94 | 195 | devcnt = g_slist_length(drvc->instances); |
187b3582 | 196 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, |
da686568 | 197 | prof->vendor, prof->model, prof->model_version); |
f4a9e5c0 | 198 | if (!sdi) |
25a0f108 | 199 | return NULL; |
a873c594 | 200 | sdi->driver = di; |
187b3582 | 201 | |
06717a8a BV |
202 | /* Fill in probelist according to this device's profile. */ |
203 | num_logic_probes = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8; | |
c5e82ca5 | 204 | for (j = 0; j < num_logic_probes; j++) { |
06717a8a BV |
205 | if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE, |
206 | probe_names[j]))) | |
25a0f108 | 207 | return NULL; |
06717a8a BV |
208 | sdi->probes = g_slist_append(sdi->probes, probe); |
209 | } | |
210 | ||
dc9dbe94 BV |
211 | devc = fx2lafw_dev_new(); |
212 | devc->profile = prof; | |
213 | sdi->priv = devc; | |
214 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
a8cc8e44 | 215 | devices = g_slist_append(devices, sdi); |
187b3582 | 216 | |
2f937611 | 217 | if (fx2lafw_check_conf_profile(devlist[i])) { |
b1eeb67e | 218 | /* Already has the firmware, so fix the new address. */ |
f427daef | 219 | sr_dbg("Found an fx2lafw device."); |
b1eeb67e | 220 | sdi->status = SR_ST_INACTIVE; |
250a78c7 BV |
221 | sdi->inst_type = SR_INST_USB; |
222 | sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]), | |
223 | libusb_get_device_address(devlist[i]), NULL); | |
b1eeb67e | 224 | } else { |
f8b07fc6 | 225 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
da686568 | 226 | prof->firmware) == SR_OK) |
b99457f0 | 227 | /* Store when this device's FW was updated. */ |
dc9dbe94 | 228 | devc->fw_updated = g_get_monotonic_time(); |
b1eeb67e | 229 | else |
f427daef | 230 | sr_err("Firmware upload failed for " |
7ae2f9d5 | 231 | "device %d.", devcnt); |
250a78c7 | 232 | sdi->inst_type = SR_INST_USB; |
87b545fb | 233 | sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]), |
250a78c7 | 234 | 0xff, NULL); |
b1eeb67e | 235 | } |
187b3582 JH |
236 | } |
237 | libusb_free_device_list(devlist, 1); | |
9dc7a75e | 238 | g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free); |
187b3582 | 239 | |
3a7a22cb | 240 | return devices; |
f302a082 JH |
241 | } |
242 | ||
6078d2c9 | 243 | static GSList *dev_list(void) |
811deee4 | 244 | { |
0e94d524 | 245 | return ((struct drv_context *)(di->priv))->instances; |
811deee4 BV |
246 | } |
247 | ||
6078d2c9 | 248 | static int dev_open(struct sr_dev_inst *sdi) |
f302a082 | 249 | { |
250a78c7 | 250 | struct sr_usb_dev_inst *usb; |
dc9dbe94 | 251 | struct dev_context *devc; |
e8bd58ff UH |
252 | int ret; |
253 | int64_t timediff_us, timediff_ms; | |
43125c69 | 254 | |
dc9dbe94 | 255 | devc = sdi->priv; |
250a78c7 | 256 | usb = sdi->conn; |
43125c69 JH |
257 | |
258 | /* | |
f60fdf6e UH |
259 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
260 | * milliseconds for the FX2 to renumerate. | |
43125c69 | 261 | */ |
3b6c1930 | 262 | ret = SR_ERR; |
dc9dbe94 | 263 | if (devc->fw_updated > 0) { |
f427daef | 264 | sr_info("Waiting for device to reset."); |
b99457f0 | 265 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ |
43125c69 | 266 | g_usleep(300 * 1000); |
e8bd58ff | 267 | timediff_ms = 0; |
f60fdf6e | 268 | while (timediff_ms < MAX_RENUM_DELAY_MS) { |
2f937611 | 269 | if ((ret = fx2lafw_dev_open(sdi, di)) == SR_OK) |
43125c69 JH |
270 | break; |
271 | g_usleep(100 * 1000); | |
e8bd58ff | 272 | |
dc9dbe94 | 273 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
3b6c1930 | 274 | timediff_ms = timediff_us / 1000; |
b99457f0 | 275 | sr_spew("Waited %" PRIi64 "ms.", timediff_ms); |
43125c69 | 276 | } |
443a14d8 AG |
277 | if (ret != SR_OK) { |
278 | sr_err("Device failed to renumerate."); | |
279 | return SR_ERR; | |
280 | } | |
c0bf69c2 | 281 | sr_info("Device came back after %" PRIi64 "ms.", timediff_ms); |
43125c69 | 282 | } else { |
443a14d8 | 283 | sr_info("Firmware upload was not needed."); |
2f937611 | 284 | ret = fx2lafw_dev_open(sdi, di); |
43125c69 JH |
285 | } |
286 | ||
ebc34738 | 287 | if (ret != SR_OK) { |
f427daef | 288 | sr_err("Unable to open device."); |
43125c69 JH |
289 | return SR_ERR; |
290 | } | |
378abfea | 291 | |
250a78c7 | 292 | ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
ebc34738 | 293 | if (ret != 0) { |
87b545fb | 294 | switch (ret) { |
0c156e06 | 295 | case LIBUSB_ERROR_BUSY: |
f427daef | 296 | sr_err("Unable to claim USB interface. Another " |
b99457f0 | 297 | "program or driver has already claimed it."); |
0c156e06 | 298 | break; |
0c156e06 | 299 | case LIBUSB_ERROR_NO_DEVICE: |
f427daef | 300 | sr_err("Device has been disconnected."); |
0c156e06 | 301 | break; |
0c156e06 | 302 | default: |
f427daef | 303 | sr_err("Unable to claim interface: %s.", |
d4928d71 | 304 | libusb_error_name(ret)); |
0c156e06 JH |
305 | break; |
306 | } | |
307 | ||
43125c69 JH |
308 | return SR_ERR; |
309 | } | |
310 | ||
dc9dbe94 | 311 | if (devc->cur_samplerate == 0) { |
f92994fd | 312 | /* Samplerate hasn't been set; default to the slowest one. */ |
d6836bf1 | 313 | devc->cur_samplerate = samplerates[0]; |
f92994fd JH |
314 | } |
315 | ||
f302a082 JH |
316 | return SR_OK; |
317 | } | |
318 | ||
6078d2c9 | 319 | static int dev_close(struct sr_dev_inst *sdi) |
f302a082 | 320 | { |
250a78c7 | 321 | struct sr_usb_dev_inst *usb; |
961009b0 | 322 | |
250a78c7 BV |
323 | usb = sdi->conn; |
324 | if (usb->devhdl == NULL) | |
25a0f108 | 325 | return SR_ERR; |
f1898235 | 326 | |
250a78c7 BV |
327 | sr_info("fx2lafw: Closing device %d on %d.%d interface %d.", |
328 | sdi->index, usb->bus, usb->address, USB_INTERFACE); | |
329 | libusb_release_interface(usb->devhdl, USB_INTERFACE); | |
330 | libusb_close(usb->devhdl); | |
331 | usb->devhdl = NULL; | |
25a0f108 | 332 | sdi->status = SR_ST_INACTIVE; |
f1898235 | 333 | |
f302a082 JH |
334 | return SR_OK; |
335 | } | |
336 | ||
6078d2c9 | 337 | static int cleanup(void) |
f302a082 | 338 | { |
f69b47f0 | 339 | int ret; |
3b412e3a | 340 | struct drv_context *drvc; |
187b3582 | 341 | |
a873c594 | 342 | if (!(drvc = di->priv)) |
dc9dbe94 BV |
343 | return SR_OK; |
344 | ||
3b412e3a | 345 | ret = dev_clear(); |
187b3582 | 346 | |
dc9dbe94 | 347 | g_free(drvc); |
a873c594 | 348 | di->priv = NULL; |
187b3582 | 349 | |
62bc70e4 | 350 | return ret; |
f302a082 JH |
351 | } |
352 | ||
8f996b89 ML |
353 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, |
354 | const struct sr_probe_group *probe_group) | |
f302a082 | 355 | { |
dc9dbe94 | 356 | struct dev_context *devc; |
89befd46 BV |
357 | struct sr_usb_dev_inst *usb; |
358 | char str[128]; | |
8b35f474 | 359 | |
8f996b89 ML |
360 | (void)probe_group; |
361 | ||
035a1078 | 362 | switch (id) { |
89befd46 BV |
363 | case SR_CONF_CONN: |
364 | if (!sdi || !sdi->conn) | |
38ab8dbe | 365 | return SR_ERR_ARG; |
89befd46 BV |
366 | usb = sdi->conn; |
367 | if (usb->address == 255) | |
368 | /* Device still needs to re-enumerate after firmware | |
369 | * upload, so we don't know its (future) address. */ | |
370 | return SR_ERR; | |
371 | snprintf(str, 128, "%d.%d", usb->bus, usb->address); | |
372 | *data = g_variant_new_string(str); | |
373 | break; | |
123e1313 | 374 | case SR_CONF_SAMPLERATE: |
89befd46 | 375 | if (!sdi) |
6e9339aa | 376 | return SR_ERR; |
89befd46 BV |
377 | devc = sdi->priv; |
378 | *data = g_variant_new_uint64(devc->cur_samplerate); | |
6e9339aa BV |
379 | break; |
380 | default: | |
bd6fbf62 | 381 | return SR_ERR_NA; |
8b35f474 JH |
382 | } |
383 | ||
6e9339aa | 384 | return SR_OK; |
f302a082 JH |
385 | } |
386 | ||
8f996b89 ML |
387 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, |
388 | const struct sr_probe_group *probe_group) | |
f302a082 | 389 | { |
dc9dbe94 | 390 | struct dev_context *devc; |
7cb621d4 JH |
391 | int ret; |
392 | ||
8f996b89 ML |
393 | (void)probe_group; |
394 | ||
e73ffd42 BV |
395 | if (sdi->status != SR_ST_ACTIVE) |
396 | return SR_ERR; | |
397 | ||
dc9dbe94 | 398 | devc = sdi->priv; |
7cb621d4 | 399 | |
035a1078 | 400 | if (id == SR_CONF_SAMPLERATE) { |
d6836bf1 | 401 | devc->cur_samplerate = g_variant_get_uint64(data); |
e3186647 | 402 | ret = SR_OK; |
035a1078 | 403 | } else if (id == SR_CONF_LIMIT_SAMPLES) { |
d6836bf1 | 404 | devc->limit_samples = g_variant_get_uint64(data); |
7cb621d4 JH |
405 | ret = SR_OK; |
406 | } else { | |
bd6fbf62 | 407 | ret = SR_ERR_NA; |
7cb621d4 JH |
408 | } |
409 | ||
410 | return ret; | |
f302a082 JH |
411 | } |
412 | ||
8f996b89 ML |
413 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, |
414 | const struct sr_probe_group *probe_group) | |
a1c743fc | 415 | { |
d6836bf1 BV |
416 | GVariant *gvar; |
417 | GVariantBuilder gvb; | |
a1c743fc BV |
418 | |
419 | (void)sdi; | |
8f996b89 | 420 | (void)probe_group; |
a1c743fc BV |
421 | |
422 | switch (key) { | |
89befd46 BV |
423 | case SR_CONF_SCAN_OPTIONS: |
424 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
425 | hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); | |
426 | break; | |
9a6517d1 | 427 | case SR_CONF_DEVICE_OPTIONS: |
d6836bf1 BV |
428 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
429 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
9a6517d1 | 430 | break; |
a1c743fc | 431 | case SR_CONF_SAMPLERATE: |
d6836bf1 BV |
432 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); |
433 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
434 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
435 | g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar); | |
436 | *data = g_variant_builder_end(&gvb); | |
a1c743fc | 437 | break; |
c50277a6 | 438 | case SR_CONF_TRIGGER_TYPE: |
d6836bf1 | 439 | *data = g_variant_new_string(TRIGGER_TYPE); |
c50277a6 | 440 | break; |
a1c743fc | 441 | default: |
bd6fbf62 | 442 | return SR_ERR_NA; |
a1c743fc BV |
443 | } |
444 | ||
445 | return SR_OK; | |
446 | } | |
447 | ||
1f9813eb | 448 | static int receive_data(int fd, int revents, void *cb_data) |
610dbb70 JH |
449 | { |
450 | struct timeval tv; | |
b99457f0 | 451 | struct drv_context *drvc; |
610dbb70 | 452 | |
610dbb70 JH |
453 | (void)fd; |
454 | (void)revents; | |
1f9813eb | 455 | (void)cb_data; |
610dbb70 | 456 | |
b99457f0 UH |
457 | drvc = di->priv; |
458 | ||
610dbb70 | 459 | tv.tv_sec = tv.tv_usec = 0; |
d4abb463 | 460 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
610dbb70 JH |
461 | |
462 | return TRUE; | |
463 | } | |
464 | ||
6078d2c9 | 465 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
f302a082 | 466 | { |
dc9dbe94 | 467 | struct dev_context *devc; |
b99457f0 | 468 | struct drv_context *drvc; |
250a78c7 | 469 | struct sr_usb_dev_inst *usb; |
610dbb70 | 470 | struct libusb_transfer *transfer; |
b99457f0 | 471 | unsigned int i, timeout, num_transfers; |
5af666a9 | 472 | int ret; |
610dbb70 | 473 | unsigned char *buf; |
b99457f0 | 474 | size_t size; |
610dbb70 | 475 | |
e73ffd42 BV |
476 | if (sdi->status != SR_ST_ACTIVE) |
477 | return SR_ERR_DEV_CLOSED; | |
478 | ||
b99457f0 | 479 | drvc = di->priv; |
dc9dbe94 | 480 | devc = sdi->priv; |
250a78c7 | 481 | usb = sdi->conn; |
b99457f0 | 482 | |
2a67abfe | 483 | /* Configures devc->trigger_* and devc->sample_wide */ |
2f937611 | 484 | if (fx2lafw_configure_probes(sdi) != SR_OK) { |
b99457f0 | 485 | sr_err("Failed to configure probes."); |
014359e3 BV |
486 | return SR_ERR; |
487 | } | |
488 | ||
3e9b7f9c | 489 | devc->cb_data = cb_data; |
dc9dbe94 BV |
490 | devc->num_samples = 0; |
491 | devc->empty_transfer_count = 0; | |
610dbb70 | 492 | |
2f937611 UH |
493 | timeout = fx2lafw_get_timeout(devc); |
494 | num_transfers = fx2lafw_get_number_of_transfers(devc); | |
495 | size = fx2lafw_get_buffer_size(devc); | |
2a67abfe | 496 | devc->submitted_transfers = 0; |
5af666a9 | 497 | |
dc9dbe94 | 498 | devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers); |
886a52b6 | 499 | if (!devc->transfers) { |
f427daef | 500 | sr_err("USB transfers malloc failed."); |
886a52b6 UH |
501 | return SR_ERR_MALLOC; |
502 | } | |
0caa1ef0 | 503 | |
dc9dbe94 | 504 | devc->num_transfers = num_transfers; |
5af666a9 | 505 | for (i = 0; i < num_transfers; i++) { |
610dbb70 | 506 | if (!(buf = g_try_malloc(size))) { |
b99457f0 | 507 | sr_err("USB transfer buffer malloc failed."); |
610dbb70 JH |
508 | return SR_ERR_MALLOC; |
509 | } | |
510 | transfer = libusb_alloc_transfer(0); | |
250a78c7 | 511 | libusb_fill_bulk_transfer(transfer, usb->devhdl, |
610dbb70 | 512 | 2 | LIBUSB_ENDPOINT_IN, buf, size, |
2f937611 | 513 | fx2lafw_receive_transfer, devc, timeout); |
d4928d71 | 514 | if ((ret = libusb_submit_transfer(transfer)) != 0) { |
b99457f0 UH |
515 | sr_err("Failed to submit transfer: %s.", |
516 | libusb_error_name(ret)); | |
610dbb70 JH |
517 | libusb_free_transfer(transfer); |
518 | g_free(buf); | |
2f937611 | 519 | fx2lafw_abort_acquisition(devc); |
610dbb70 JH |
520 | return SR_ERR; |
521 | } | |
dc9dbe94 BV |
522 | devc->transfers[i] = transfer; |
523 | devc->submitted_transfers++; | |
610dbb70 JH |
524 | } |
525 | ||
6c60facc ML |
526 | devc->ctx = drvc->sr_ctx; |
527 | ||
528 | usb_source_add(devc->ctx, timeout, receive_data, NULL); | |
610dbb70 | 529 | |
4afdfd46 | 530 | /* Send header packet to the session bus. */ |
29a27196 | 531 | std_session_send_df_header(cb_data, LOG_PREFIX); |
f366e86c | 532 | |
2f937611 | 533 | if ((ret = fx2lafw_command_start_acquisition(usb->devhdl, |
dc9dbe94 | 534 | devc->cur_samplerate, devc->sample_wide)) != SR_OK) { |
2f937611 | 535 | fx2lafw_abort_acquisition(devc); |
ebc34738 | 536 | return ret; |
017375d1 JH |
537 | } |
538 | ||
f302a082 JH |
539 | return SR_OK; |
540 | } | |
541 | ||
6078d2c9 | 542 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
f302a082 | 543 | { |
2e526f4a | 544 | (void)cb_data; |
5da93902 | 545 | |
2f937611 | 546 | fx2lafw_abort_acquisition(sdi->priv); |
5da93902 | 547 | |
f302a082 JH |
548 | return SR_OK; |
549 | } | |
550 | ||
c09f0b57 | 551 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { |
f302a082 | 552 | .name = "fx2lafw", |
2e7cb004 | 553 | .longname = "fx2lafw (generic driver for FX2 based LAs)", |
f302a082 | 554 | .api_version = 1, |
6078d2c9 UH |
555 | .init = init, |
556 | .cleanup = cleanup, | |
557 | .scan = scan, | |
558 | .dev_list = dev_list, | |
3b412e3a | 559 | .dev_clear = dev_clear, |
035a1078 BV |
560 | .config_get = config_get, |
561 | .config_set = config_set, | |
a1c743fc | 562 | .config_list = config_list, |
6078d2c9 UH |
563 | .dev_open = dev_open, |
564 | .dev_close = dev_close, | |
565 | .dev_acquisition_start = dev_acquisition_start, | |
566 | .dev_acquisition_stop = dev_acquisition_stop, | |
dc9dbe94 | 567 | .priv = NULL, |
f302a082 | 568 | }; |