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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> | |
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 <config.h> | |
22 | #include "protocol.h" | |
23 | #include "dslogic.h" | |
24 | ||
25 | static const struct fx2lafw_profile supported_fx2[] = { | |
26 | /* | |
27 | * CWAV USBee AX | |
28 | * EE Electronics ESLA201A | |
29 | * ARMFLY AX-Pro | |
30 | */ | |
31 | { 0x08a9, 0x0014, "CWAV", "USBee AX", NULL, | |
32 | "fx2lafw-cwav-usbeeax.fw", | |
33 | 0, NULL, NULL}, | |
34 | /* | |
35 | * CWAV USBee DX | |
36 | * XZL-Studio DX | |
37 | */ | |
38 | { 0x08a9, 0x0015, "CWAV", "USBee DX", NULL, | |
39 | "fx2lafw-cwav-usbeedx.fw", | |
40 | DEV_CAPS_16BIT, NULL, NULL }, | |
41 | ||
42 | /* | |
43 | * CWAV USBee SX | |
44 | */ | |
45 | { 0x08a9, 0x0009, "CWAV", "USBee SX", NULL, | |
46 | "fx2lafw-cwav-usbeesx.fw", | |
47 | 0, NULL, NULL}, | |
48 | ||
49 | /* DreamSourceLab DSLogic (before FW upload) */ | |
50 | { 0x2a0e, 0x0001, "DreamSourceLab", "DSLogic", NULL, | |
51 | "dreamsourcelab-dslogic-fx2.fw", | |
52 | DEV_CAPS_16BIT, NULL, NULL}, | |
53 | /* DreamSourceLab DSLogic (after FW upload) */ | |
54 | { 0x2a0e, 0x0001, "DreamSourceLab", "DSLogic", NULL, | |
55 | "dreamsourcelab-dslogic-fx2.fw", | |
56 | DEV_CAPS_16BIT, "DreamSourceLab", "DSLogic"}, | |
57 | ||
58 | /* DreamSourceLab DSCope (before FW upload) */ | |
59 | { 0x2a0e, 0x0002, "DreamSourceLab", "DSCope", NULL, | |
60 | "dreamsourcelab-dscope-fx2.fw", | |
61 | DEV_CAPS_16BIT, NULL, NULL}, | |
62 | /* DreamSourceLab DSCope (after FW upload) */ | |
63 | { 0x2a0e, 0x0002, "DreamSourceLab", "DSCope", NULL, | |
64 | "dreamsourcelab-dscope-fx2.fw", | |
65 | DEV_CAPS_16BIT, "DreamSourceLab", "DSCope"}, | |
66 | ||
67 | /* DreamSourceLab DSLogic Pro (before FW upload) */ | |
68 | { 0x2a0e, 0x0003, "DreamSourceLab", "DSLogic Pro", NULL, | |
69 | "dreamsourcelab-dslogic-pro-fx2.fw", | |
70 | DEV_CAPS_16BIT, NULL, NULL}, | |
71 | /* DreamSourceLab DSLogic Pro (after FW upload) */ | |
72 | { 0x2a0e, 0x0003, "DreamSourceLab", "DSLogic Pro", NULL, | |
73 | "dreamsourcelab-dslogic-pro-fx2.fw", | |
74 | DEV_CAPS_16BIT, "DreamSourceLab", "DSLogic"}, | |
75 | ||
76 | /* | |
77 | * Saleae Logic | |
78 | * EE Electronics ESLA100 | |
79 | * Robomotic MiniLogic | |
80 | * Robomotic BugLogic 3 | |
81 | */ | |
82 | { 0x0925, 0x3881, "Saleae", "Logic", NULL, | |
83 | "fx2lafw-saleae-logic.fw", | |
84 | 0, NULL, NULL}, | |
85 | ||
86 | /* | |
87 | * Default Cypress FX2 without EEPROM, e.g.: | |
88 | * Lcsoft Mini Board | |
89 | * Braintechnology USB Interface V2.x | |
90 | */ | |
91 | { 0x04B4, 0x8613, "Cypress", "FX2", NULL, | |
92 | "fx2lafw-cypress-fx2.fw", | |
93 | DEV_CAPS_16BIT, NULL, NULL }, | |
94 | ||
95 | /* | |
96 | * Braintechnology USB-LPS | |
97 | */ | |
98 | { 0x16d0, 0x0498, "Braintechnology", "USB-LPS", NULL, | |
99 | "fx2lafw-braintechnology-usb-lps.fw", | |
100 | DEV_CAPS_16BIT, NULL, NULL }, | |
101 | ||
102 | /* | |
103 | * sigrok FX2 based 8-channel logic analyzer | |
104 | */ | |
105 | { 0x1d50, 0x608c, "sigrok", "FX2 LA (8ch)", NULL, | |
106 | "fx2lafw-sigrok-fx2-8ch.fw", | |
107 | 0, NULL, NULL}, | |
108 | ||
109 | /* | |
110 | * sigrok FX2 based 16-channel logic analyzer | |
111 | */ | |
112 | { 0x1d50, 0x608d, "sigrok", "FX2 LA (16ch)", NULL, | |
113 | "fx2lafw-sigrok-fx2-16ch.fw", | |
114 | DEV_CAPS_16BIT, NULL, NULL }, | |
115 | ||
116 | { 0, 0, 0, 0, 0, 0, 0, 0, 0 } | |
117 | }; | |
118 | ||
119 | static const uint32_t drvopts[] = { | |
120 | SR_CONF_LOGIC_ANALYZER, | |
121 | }; | |
122 | ||
123 | static const uint32_t scanopts[] = { | |
124 | SR_CONF_CONN, | |
125 | }; | |
126 | ||
127 | static const uint32_t devopts[] = { | |
128 | SR_CONF_CONTINUOUS | SR_CONF_SET, | |
129 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, | |
130 | SR_CONF_CONN | SR_CONF_GET, | |
131 | SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
132 | SR_CONF_TRIGGER_MATCH | SR_CONF_LIST, | |
133 | SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET, | |
134 | }; | |
135 | ||
136 | static const char *channel_names[] = { | |
137 | "0", "1", "2", "3", "4", "5", "6", "7", | |
138 | "8", "9", "10", "11", "12", "13", "14", "15", | |
139 | }; | |
140 | ||
141 | static const int32_t soft_trigger_matches[] = { | |
142 | SR_TRIGGER_ZERO, | |
143 | SR_TRIGGER_ONE, | |
144 | SR_TRIGGER_RISING, | |
145 | SR_TRIGGER_FALLING, | |
146 | SR_TRIGGER_EDGE, | |
147 | }; | |
148 | ||
149 | static const uint64_t samplerates[] = { | |
150 | SR_KHZ(20), | |
151 | SR_KHZ(25), | |
152 | SR_KHZ(50), | |
153 | SR_KHZ(100), | |
154 | SR_KHZ(200), | |
155 | SR_KHZ(250), | |
156 | SR_KHZ(500), | |
157 | SR_MHZ(1), | |
158 | SR_MHZ(2), | |
159 | SR_MHZ(3), | |
160 | SR_MHZ(4), | |
161 | SR_MHZ(6), | |
162 | SR_MHZ(8), | |
163 | SR_MHZ(12), | |
164 | SR_MHZ(16), | |
165 | SR_MHZ(24), | |
166 | }; | |
167 | ||
168 | static const uint64_t dslogic_samplerates[] = { | |
169 | SR_KHZ(10), | |
170 | SR_KHZ(20), | |
171 | SR_KHZ(50), | |
172 | SR_KHZ(100), | |
173 | SR_KHZ(200), | |
174 | SR_KHZ(500), | |
175 | SR_MHZ(1), | |
176 | SR_MHZ(2), | |
177 | SR_MHZ(5), | |
178 | SR_MHZ(10), | |
179 | SR_MHZ(20), | |
180 | SR_MHZ(25), | |
181 | SR_MHZ(50), | |
182 | SR_MHZ(100), | |
183 | SR_MHZ(200), | |
184 | SR_MHZ(400), | |
185 | }; | |
186 | ||
187 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info; | |
188 | ||
189 | static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) | |
190 | { | |
191 | return std_init(sr_ctx, di, LOG_PREFIX); | |
192 | } | |
193 | ||
194 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
195 | { | |
196 | struct drv_context *drvc; | |
197 | struct dev_context *devc; | |
198 | struct sr_dev_inst *sdi; | |
199 | struct sr_usb_dev_inst *usb; | |
200 | struct sr_config *src; | |
201 | const struct fx2lafw_profile *prof; | |
202 | GSList *l, *devices, *conn_devices; | |
203 | gboolean has_firmware; | |
204 | struct libusb_device_descriptor des; | |
205 | libusb_device **devlist; | |
206 | struct libusb_device_handle *hdl; | |
207 | int num_logic_channels, ret, i, j; | |
208 | const char *conn; | |
209 | char manufacturer[64], product[64], serial_num[64], connection_id[64]; | |
210 | ||
211 | drvc = di->context; | |
212 | ||
213 | conn = NULL; | |
214 | for (l = options; l; l = l->next) { | |
215 | src = l->data; | |
216 | switch (src->key) { | |
217 | case SR_CONF_CONN: | |
218 | conn = g_variant_get_string(src->data, NULL); | |
219 | break; | |
220 | } | |
221 | } | |
222 | if (conn) | |
223 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
224 | else | |
225 | conn_devices = NULL; | |
226 | ||
227 | /* Find all fx2lafw compatible devices and upload firmware to them. */ | |
228 | devices = NULL; | |
229 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); | |
230 | for (i = 0; devlist[i]; i++) { | |
231 | if (conn) { | |
232 | usb = NULL; | |
233 | for (l = conn_devices; l; l = l->next) { | |
234 | usb = l->data; | |
235 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
236 | && usb->address == libusb_get_device_address(devlist[i])) | |
237 | break; | |
238 | } | |
239 | if (!l) | |
240 | /* This device matched none of the ones that | |
241 | * matched the conn specification. */ | |
242 | continue; | |
243 | } | |
244 | ||
245 | libusb_get_device_descriptor( devlist[i], &des); | |
246 | ||
247 | if ((ret = libusb_open(devlist[i], &hdl)) < 0) | |
248 | continue; | |
249 | ||
250 | if (des.iManufacturer == 0) { | |
251 | manufacturer[0] = '\0'; | |
252 | } else if ((ret = libusb_get_string_descriptor_ascii(hdl, | |
253 | des.iManufacturer, (unsigned char *) manufacturer, | |
254 | sizeof(manufacturer))) < 0) { | |
255 | sr_warn("Failed to get manufacturer string descriptor: %s.", | |
256 | libusb_error_name(ret)); | |
257 | continue; | |
258 | } | |
259 | ||
260 | if (des.iProduct == 0) { | |
261 | product[0] = '\0'; | |
262 | } else if ((ret = libusb_get_string_descriptor_ascii(hdl, | |
263 | des.iProduct, (unsigned char *) product, | |
264 | sizeof(product))) < 0) { | |
265 | sr_warn("Failed to get product string descriptor: %s.", | |
266 | libusb_error_name(ret)); | |
267 | continue; | |
268 | } | |
269 | ||
270 | if (des.iSerialNumber == 0) { | |
271 | serial_num[0] = '\0'; | |
272 | } else if ((ret = libusb_get_string_descriptor_ascii(hdl, | |
273 | des.iSerialNumber, (unsigned char *) serial_num, | |
274 | sizeof(serial_num))) < 0) { | |
275 | sr_warn("Failed to get serial number string descriptor: %s.", | |
276 | libusb_error_name(ret)); | |
277 | continue; | |
278 | } | |
279 | ||
280 | usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)); | |
281 | ||
282 | libusb_close(hdl); | |
283 | ||
284 | prof = NULL; | |
285 | for (j = 0; supported_fx2[j].vid; j++) { | |
286 | if (des.idVendor == supported_fx2[j].vid && | |
287 | des.idProduct == supported_fx2[j].pid && | |
288 | (!supported_fx2[j].usb_manufacturer || | |
289 | !strcmp(manufacturer, supported_fx2[j].usb_manufacturer)) && | |
290 | (!supported_fx2[j].usb_manufacturer || | |
291 | !strcmp(product, supported_fx2[j].usb_product))) { | |
292 | prof = &supported_fx2[j]; | |
293 | break; | |
294 | } | |
295 | } | |
296 | ||
297 | /* Skip if the device was not found. */ | |
298 | if (!prof) | |
299 | continue; | |
300 | ||
301 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
302 | sdi->status = SR_ST_INITIALIZING; | |
303 | sdi->vendor = g_strdup(prof->vendor); | |
304 | sdi->model = g_strdup(prof->model); | |
305 | sdi->version = g_strdup(prof->model_version); | |
306 | sdi->driver = di; | |
307 | sdi->serial_num = g_strdup(serial_num); | |
308 | sdi->connection_id = g_strdup(connection_id); | |
309 | ||
310 | /* Fill in channellist according to this device's profile. */ | |
311 | num_logic_channels = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8; | |
312 | for (j = 0; j < num_logic_channels; j++) | |
313 | sr_channel_new(sdi, j, SR_CHANNEL_LOGIC, TRUE, | |
314 | channel_names[j]); | |
315 | ||
316 | devc = fx2lafw_dev_new(); | |
317 | devc->profile = prof; | |
318 | devc->sample_wide = (prof->dev_caps & DEV_CAPS_16BIT) != 0; | |
319 | sdi->priv = devc; | |
320 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
321 | devices = g_slist_append(devices, sdi); | |
322 | ||
323 | if (!strcmp(prof->model, "DSLogic") | |
324 | || !strcmp(prof->model, "DSLogic Pro") | |
325 | || !strcmp(prof->model, "DSCope")) { | |
326 | devc->dslogic = TRUE; | |
327 | devc->samplerates = dslogic_samplerates; | |
328 | devc->num_samplerates = ARRAY_SIZE(dslogic_samplerates); | |
329 | has_firmware = match_manuf_prod(devlist[i], "DreamSourceLab", "DSLogic") | |
330 | || match_manuf_prod(devlist[i], "DreamSourceLab", "DSCope"); | |
331 | } else { | |
332 | devc->dslogic = FALSE; | |
333 | devc->samplerates = samplerates; | |
334 | devc->num_samplerates = ARRAY_SIZE(samplerates); | |
335 | has_firmware = match_manuf_prod(devlist[i], | |
336 | "sigrok", "fx2lafw"); | |
337 | } | |
338 | ||
339 | if (has_firmware) { | |
340 | /* Already has the firmware, so fix the new address. */ | |
341 | sr_dbg("Found an fx2lafw device."); | |
342 | sdi->status = SR_ST_INACTIVE; | |
343 | sdi->inst_type = SR_INST_USB; | |
344 | sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]), | |
345 | libusb_get_device_address(devlist[i]), NULL); | |
346 | } else { | |
347 | if (ezusb_upload_firmware(drvc->sr_ctx, devlist[i], | |
348 | USB_CONFIGURATION, prof->firmware) == SR_OK) | |
349 | /* Store when this device's FW was updated. */ | |
350 | devc->fw_updated = g_get_monotonic_time(); | |
351 | else | |
352 | sr_err("Firmware upload failed for " | |
353 | "device %d.%d (logical).", | |
354 | libusb_get_bus_number(devlist[i]), | |
355 | libusb_get_device_address(devlist[i])); | |
356 | sdi->inst_type = SR_INST_USB; | |
357 | sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]), | |
358 | 0xff, NULL); | |
359 | } | |
360 | } | |
361 | libusb_free_device_list(devlist, 1); | |
362 | g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free); | |
363 | ||
364 | return devices; | |
365 | } | |
366 | ||
367 | static GSList *dev_list(const struct sr_dev_driver *di) | |
368 | { | |
369 | return ((struct drv_context *)(di->context))->instances; | |
370 | } | |
371 | ||
372 | static int dev_open(struct sr_dev_inst *sdi) | |
373 | { | |
374 | struct sr_dev_driver *di = sdi->driver; | |
375 | struct sr_usb_dev_inst *usb; | |
376 | struct dev_context *devc; | |
377 | char *fpga_firmware = NULL; | |
378 | int ret; | |
379 | int64_t timediff_us, timediff_ms; | |
380 | ||
381 | devc = sdi->priv; | |
382 | usb = sdi->conn; | |
383 | ||
384 | /* | |
385 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS | |
386 | * milliseconds for the FX2 to renumerate. | |
387 | */ | |
388 | ret = SR_ERR; | |
389 | if (devc->fw_updated > 0) { | |
390 | sr_info("Waiting for device to reset."); | |
391 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ | |
392 | g_usleep(300 * 1000); | |
393 | timediff_ms = 0; | |
394 | while (timediff_ms < MAX_RENUM_DELAY_MS) { | |
395 | if ((ret = fx2lafw_dev_open(sdi, di)) == SR_OK) | |
396 | break; | |
397 | g_usleep(100 * 1000); | |
398 | ||
399 | timediff_us = g_get_monotonic_time() - devc->fw_updated; | |
400 | timediff_ms = timediff_us / 1000; | |
401 | sr_spew("Waited %" PRIi64 "ms.", timediff_ms); | |
402 | } | |
403 | if (ret != SR_OK) { | |
404 | sr_err("Device failed to renumerate."); | |
405 | return SR_ERR; | |
406 | } | |
407 | sr_info("Device came back after %" PRIi64 "ms.", timediff_ms); | |
408 | } else { | |
409 | sr_info("Firmware upload was not needed."); | |
410 | ret = fx2lafw_dev_open(sdi, di); | |
411 | } | |
412 | ||
413 | if (ret != SR_OK) { | |
414 | sr_err("Unable to open device."); | |
415 | return SR_ERR; | |
416 | } | |
417 | ||
418 | ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); | |
419 | if (ret != 0) { | |
420 | switch (ret) { | |
421 | case LIBUSB_ERROR_BUSY: | |
422 | sr_err("Unable to claim USB interface. Another " | |
423 | "program or driver has already claimed it."); | |
424 | break; | |
425 | case LIBUSB_ERROR_NO_DEVICE: | |
426 | sr_err("Device has been disconnected."); | |
427 | break; | |
428 | default: | |
429 | sr_err("Unable to claim interface: %s.", | |
430 | libusb_error_name(ret)); | |
431 | break; | |
432 | } | |
433 | ||
434 | return SR_ERR; | |
435 | } | |
436 | ||
437 | if (devc->dslogic) { | |
438 | if (!strcmp(devc->profile->model, "DSLogic")) { | |
439 | fpga_firmware = DSLOGIC_FPGA_FIRMWARE; | |
440 | } else if (!strcmp(devc->profile->model, "DSLogic Pro")) { | |
441 | fpga_firmware = DSLOGIC_PRO_FPGA_FIRMWARE; | |
442 | } else if (!strcmp(devc->profile->model, "DSCope")) { | |
443 | fpga_firmware = DSCOPE_FPGA_FIRMWARE; | |
444 | } | |
445 | ||
446 | if ((ret = dslogic_fpga_firmware_upload(sdi, | |
447 | fpga_firmware)) != SR_OK) | |
448 | return ret; | |
449 | } | |
450 | ||
451 | if (devc->cur_samplerate == 0) { | |
452 | /* Samplerate hasn't been set; default to the slowest one. */ | |
453 | devc->cur_samplerate = devc->samplerates[0]; | |
454 | } | |
455 | ||
456 | return SR_OK; | |
457 | } | |
458 | ||
459 | static int dev_close(struct sr_dev_inst *sdi) | |
460 | { | |
461 | struct sr_usb_dev_inst *usb; | |
462 | ||
463 | usb = sdi->conn; | |
464 | if (!usb->devhdl) | |
465 | return SR_ERR; | |
466 | ||
467 | sr_info("fx2lafw: Closing device on %d.%d (logical) / %s (physical) interface %d.", | |
468 | usb->bus, usb->address, sdi->connection_id, USB_INTERFACE); | |
469 | libusb_release_interface(usb->devhdl, USB_INTERFACE); | |
470 | libusb_close(usb->devhdl); | |
471 | usb->devhdl = NULL; | |
472 | sdi->status = SR_ST_INACTIVE; | |
473 | ||
474 | return SR_OK; | |
475 | } | |
476 | ||
477 | static int cleanup(const struct sr_dev_driver *di) | |
478 | { | |
479 | int ret; | |
480 | struct drv_context *drvc; | |
481 | ||
482 | if (!(drvc = di->context)) | |
483 | return SR_OK; | |
484 | ||
485 | ret = std_dev_clear(di, NULL); | |
486 | ||
487 | g_free(drvc); | |
488 | ||
489 | return ret; | |
490 | } | |
491 | ||
492 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
493 | const struct sr_channel_group *cg) | |
494 | { | |
495 | struct dev_context *devc; | |
496 | struct sr_usb_dev_inst *usb; | |
497 | char str[128]; | |
498 | ||
499 | (void)cg; | |
500 | ||
501 | if (!sdi) | |
502 | return SR_ERR_ARG; | |
503 | ||
504 | devc = sdi->priv; | |
505 | ||
506 | switch (key) { | |
507 | case SR_CONF_CONN: | |
508 | if (!sdi->conn) | |
509 | return SR_ERR_ARG; | |
510 | usb = sdi->conn; | |
511 | if (usb->address == 255) | |
512 | /* Device still needs to re-enumerate after firmware | |
513 | * upload, so we don't know its (future) address. */ | |
514 | return SR_ERR; | |
515 | snprintf(str, 128, "%d.%d", usb->bus, usb->address); | |
516 | *data = g_variant_new_string(str); | |
517 | break; | |
518 | case SR_CONF_LIMIT_SAMPLES: | |
519 | *data = g_variant_new_uint64(devc->limit_samples); | |
520 | break; | |
521 | case SR_CONF_SAMPLERATE: | |
522 | *data = g_variant_new_uint64(devc->cur_samplerate); | |
523 | break; | |
524 | case SR_CONF_CAPTURE_RATIO: | |
525 | *data = g_variant_new_uint64(devc->capture_ratio); | |
526 | break; | |
527 | default: | |
528 | return SR_ERR_NA; | |
529 | } | |
530 | ||
531 | return SR_OK; | |
532 | } | |
533 | ||
534 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
535 | const struct sr_channel_group *cg) | |
536 | { | |
537 | struct dev_context *devc; | |
538 | uint64_t arg; | |
539 | int i, ret; | |
540 | ||
541 | (void)cg; | |
542 | ||
543 | if (!sdi) | |
544 | return SR_ERR_ARG; | |
545 | ||
546 | if (sdi->status != SR_ST_ACTIVE) | |
547 | return SR_ERR; | |
548 | ||
549 | devc = sdi->priv; | |
550 | ||
551 | ret = SR_OK; | |
552 | ||
553 | switch (key) { | |
554 | case SR_CONF_SAMPLERATE: | |
555 | arg = g_variant_get_uint64(data); | |
556 | for (i = 0; i < devc->num_samplerates; i++) { | |
557 | if (devc->samplerates[i] == arg) { | |
558 | devc->cur_samplerate = arg; | |
559 | break; | |
560 | } | |
561 | } | |
562 | if (i == devc->num_samplerates) | |
563 | ret = SR_ERR_ARG; | |
564 | break; | |
565 | case SR_CONF_LIMIT_SAMPLES: | |
566 | devc->limit_samples = g_variant_get_uint64(data); | |
567 | break; | |
568 | case SR_CONF_CAPTURE_RATIO: | |
569 | devc->capture_ratio = g_variant_get_uint64(data); | |
570 | if (devc->capture_ratio > 100) { | |
571 | devc->capture_ratio = 0; | |
572 | ret = SR_ERR; | |
573 | } else | |
574 | ret = SR_OK; | |
575 | break; | |
576 | default: | |
577 | ret = SR_ERR_NA; | |
578 | } | |
579 | ||
580 | return ret; | |
581 | } | |
582 | ||
583 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
584 | const struct sr_channel_group *cg) | |
585 | { | |
586 | struct dev_context *devc; | |
587 | GVariant *gvar; | |
588 | GVariantBuilder gvb; | |
589 | ||
590 | (void)cg; | |
591 | ||
592 | switch (key) { | |
593 | case SR_CONF_SCAN_OPTIONS: | |
594 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
595 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
596 | break; | |
597 | case SR_CONF_DEVICE_OPTIONS: | |
598 | if (!sdi) | |
599 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
600 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); | |
601 | else | |
602 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
603 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); | |
604 | break; | |
605 | case SR_CONF_SAMPLERATE: | |
606 | if (!sdi->priv) | |
607 | return SR_ERR_ARG; | |
608 | devc = sdi->priv; | |
609 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); | |
610 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), devc->samplerates, | |
611 | devc->num_samplerates, sizeof(uint64_t)); | |
612 | g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar); | |
613 | *data = g_variant_builder_end(&gvb); | |
614 | break; | |
615 | case SR_CONF_TRIGGER_MATCH: | |
616 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
617 | soft_trigger_matches, ARRAY_SIZE(soft_trigger_matches), | |
618 | sizeof(int32_t)); | |
619 | break; | |
620 | default: | |
621 | return SR_ERR_NA; | |
622 | } | |
623 | ||
624 | return SR_OK; | |
625 | } | |
626 | ||
627 | static int receive_data(int fd, int revents, void *cb_data) | |
628 | { | |
629 | struct timeval tv; | |
630 | struct drv_context *drvc; | |
631 | ||
632 | (void)fd; | |
633 | (void)revents; | |
634 | ||
635 | drvc = (struct drv_context *)cb_data; | |
636 | ||
637 | tv.tv_sec = tv.tv_usec = 0; | |
638 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); | |
639 | ||
640 | return TRUE; | |
641 | } | |
642 | ||
643 | static int start_transfers(const struct sr_dev_inst *sdi) | |
644 | { | |
645 | struct dev_context *devc; | |
646 | struct sr_usb_dev_inst *usb; | |
647 | struct sr_trigger *trigger; | |
648 | struct libusb_transfer *transfer; | |
649 | unsigned int i, num_transfers; | |
650 | int endpoint, timeout, ret; | |
651 | unsigned char *buf; | |
652 | size_t size; | |
653 | ||
654 | devc = sdi->priv; | |
655 | usb = sdi->conn; | |
656 | ||
657 | devc->sent_samples = 0; | |
658 | devc->acq_aborted = FALSE; | |
659 | devc->empty_transfer_count = 0; | |
660 | ||
661 | if ((trigger = sr_session_trigger_get(sdi->session))) { | |
662 | int pre_trigger_samples = 0; | |
663 | if (devc->limit_samples > 0) | |
664 | pre_trigger_samples = devc->capture_ratio * devc->limit_samples/100; | |
665 | devc->stl = soft_trigger_logic_new(sdi, trigger, pre_trigger_samples); | |
666 | if (!devc->stl) | |
667 | return SR_ERR_MALLOC; | |
668 | devc->trigger_fired = FALSE; | |
669 | } else | |
670 | devc->trigger_fired = TRUE; | |
671 | ||
672 | num_transfers = fx2lafw_get_number_of_transfers(devc); | |
673 | size = fx2lafw_get_buffer_size(devc); | |
674 | devc->submitted_transfers = 0; | |
675 | ||
676 | devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers); | |
677 | if (!devc->transfers) { | |
678 | sr_err("USB transfers malloc failed."); | |
679 | return SR_ERR_MALLOC; | |
680 | } | |
681 | ||
682 | timeout = fx2lafw_get_timeout(devc); | |
683 | endpoint = devc->dslogic ? 6 : 2; | |
684 | devc->num_transfers = num_transfers; | |
685 | for (i = 0; i < num_transfers; i++) { | |
686 | if (!(buf = g_try_malloc(size))) { | |
687 | sr_err("USB transfer buffer malloc failed."); | |
688 | return SR_ERR_MALLOC; | |
689 | } | |
690 | transfer = libusb_alloc_transfer(0); | |
691 | libusb_fill_bulk_transfer(transfer, usb->devhdl, | |
692 | endpoint | LIBUSB_ENDPOINT_IN, buf, size, | |
693 | fx2lafw_receive_transfer, (void *)sdi, timeout); | |
694 | if ((ret = libusb_submit_transfer(transfer)) != 0) { | |
695 | sr_err("Failed to submit transfer: %s.", | |
696 | libusb_error_name(ret)); | |
697 | libusb_free_transfer(transfer); | |
698 | g_free(buf); | |
699 | fx2lafw_abort_acquisition(devc); | |
700 | return SR_ERR; | |
701 | } | |
702 | devc->transfers[i] = transfer; | |
703 | devc->submitted_transfers++; | |
704 | } | |
705 | ||
706 | /* Send header packet to the session bus. */ | |
707 | std_session_send_df_header(sdi, LOG_PREFIX); | |
708 | ||
709 | return SR_OK; | |
710 | } | |
711 | ||
712 | static void LIBUSB_CALL dslogic_trigger_receive(struct libusb_transfer *transfer) | |
713 | { | |
714 | const struct sr_dev_inst *sdi; | |
715 | struct dslogic_trigger_pos *tpos; | |
716 | ||
717 | sdi = transfer->user_data; | |
718 | ||
719 | if (transfer->status == LIBUSB_TRANSFER_COMPLETED | |
720 | && transfer->actual_length == sizeof(struct dslogic_trigger_pos)) { | |
721 | tpos = (struct dslogic_trigger_pos *)transfer->buffer; | |
722 | sr_dbg("tpos real_pos %.8x ram_saddr %.8x", tpos->real_pos, tpos->ram_saddr); | |
723 | g_free(tpos); | |
724 | start_transfers(sdi); | |
725 | } | |
726 | ||
727 | libusb_free_transfer(transfer); | |
728 | ||
729 | } | |
730 | ||
731 | static int dslogic_trigger_request(const struct sr_dev_inst *sdi) | |
732 | { | |
733 | struct sr_usb_dev_inst *usb; | |
734 | struct libusb_transfer *transfer; | |
735 | struct dslogic_trigger_pos *tpos; | |
736 | int ret; | |
737 | ||
738 | usb = sdi->conn; | |
739 | ||
740 | if ((ret = dslogic_stop_acquisition(sdi)) != SR_OK) | |
741 | return ret; | |
742 | ||
743 | if ((ret = dslogic_fpga_configure(sdi)) != SR_OK) | |
744 | return ret; | |
745 | ||
746 | if ((ret = dslogic_start_acquisition(sdi)) != SR_OK) | |
747 | return ret; | |
748 | ||
749 | sr_dbg("Getting trigger."); | |
750 | tpos = g_malloc(sizeof(struct dslogic_trigger_pos)); | |
751 | transfer = libusb_alloc_transfer(0); | |
752 | libusb_fill_bulk_transfer(transfer, usb->devhdl, 6 | LIBUSB_ENDPOINT_IN, | |
753 | (unsigned char *)tpos, sizeof(struct dslogic_trigger_pos), | |
754 | dslogic_trigger_receive, (void *)sdi, 0); | |
755 | if ((ret = libusb_submit_transfer(transfer)) < 0) { | |
756 | sr_err("Failed to request trigger: %s.", libusb_error_name(ret)); | |
757 | libusb_free_transfer(transfer); | |
758 | g_free(tpos); | |
759 | return SR_ERR; | |
760 | } | |
761 | ||
762 | return ret; | |
763 | } | |
764 | ||
765 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) | |
766 | { | |
767 | struct sr_dev_driver *di; | |
768 | struct drv_context *drvc; | |
769 | struct dev_context *devc; | |
770 | int timeout, ret; | |
771 | ||
772 | if (sdi->status != SR_ST_ACTIVE) | |
773 | return SR_ERR_DEV_CLOSED; | |
774 | ||
775 | di = sdi->driver; | |
776 | drvc = di->context; | |
777 | devc = sdi->priv; | |
778 | ||
779 | devc->ctx = drvc->sr_ctx; | |
780 | devc->cb_data = cb_data; | |
781 | devc->sent_samples = 0; | |
782 | devc->empty_transfer_count = 0; | |
783 | devc->acq_aborted = FALSE; | |
784 | ||
785 | timeout = fx2lafw_get_timeout(devc); | |
786 | usb_source_add(sdi->session, devc->ctx, timeout, receive_data, drvc); | |
787 | ||
788 | if (devc->dslogic) { | |
789 | dslogic_trigger_request(sdi); | |
790 | } else { | |
791 | start_transfers(sdi); | |
792 | if ((ret = fx2lafw_command_start_acquisition(sdi)) != SR_OK) { | |
793 | fx2lafw_abort_acquisition(devc); | |
794 | return ret; | |
795 | } | |
796 | } | |
797 | ||
798 | return SR_OK; | |
799 | } | |
800 | ||
801 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
802 | { | |
803 | (void)cb_data; | |
804 | ||
805 | fx2lafw_abort_acquisition(sdi->priv); | |
806 | ||
807 | return SR_OK; | |
808 | } | |
809 | ||
810 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { | |
811 | .name = "fx2lafw", | |
812 | .longname = "fx2lafw (generic driver for FX2 based LAs)", | |
813 | .api_version = 1, | |
814 | .init = init, | |
815 | .cleanup = cleanup, | |
816 | .scan = scan, | |
817 | .dev_list = dev_list, | |
818 | .dev_clear = NULL, | |
819 | .config_get = config_get, | |
820 | .config_set = config_set, | |
821 | .config_list = config_list, | |
822 | .dev_open = dev_open, | |
823 | .dev_close = dev_close, | |
824 | .dev_acquisition_start = dev_acquisition_start, | |
825 | .dev_acquisition_stop = dev_acquisition_stop, | |
826 | .context = NULL, | |
827 | }; |