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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 | DEV_CAPS_AX_ANALOG, 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 | ALL_ZERO | |
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, | |
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 int32_t soft_trigger_matches[] = { | |
137 | SR_TRIGGER_ZERO, | |
138 | SR_TRIGGER_ONE, | |
139 | SR_TRIGGER_RISING, | |
140 | SR_TRIGGER_FALLING, | |
141 | SR_TRIGGER_EDGE, | |
142 | }; | |
143 | ||
144 | static const uint64_t samplerates[] = { | |
145 | SR_KHZ(20), | |
146 | SR_KHZ(25), | |
147 | SR_KHZ(50), | |
148 | SR_KHZ(100), | |
149 | SR_KHZ(200), | |
150 | SR_KHZ(250), | |
151 | SR_KHZ(500), | |
152 | SR_MHZ(1), | |
153 | SR_MHZ(2), | |
154 | SR_MHZ(3), | |
155 | SR_MHZ(4), | |
156 | SR_MHZ(6), | |
157 | SR_MHZ(8), | |
158 | SR_MHZ(12), | |
159 | SR_MHZ(16), | |
160 | SR_MHZ(24), | |
161 | }; | |
162 | ||
163 | static const uint64_t dslogic_samplerates[] = { | |
164 | SR_KHZ(10), | |
165 | SR_KHZ(20), | |
166 | SR_KHZ(50), | |
167 | SR_KHZ(100), | |
168 | SR_KHZ(200), | |
169 | SR_KHZ(500), | |
170 | SR_MHZ(1), | |
171 | SR_MHZ(2), | |
172 | SR_MHZ(5), | |
173 | SR_MHZ(10), | |
174 | SR_MHZ(20), | |
175 | SR_MHZ(25), | |
176 | SR_MHZ(50), | |
177 | SR_MHZ(100), | |
178 | SR_MHZ(200), | |
179 | SR_MHZ(400), | |
180 | }; | |
181 | ||
182 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info; | |
183 | ||
184 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
185 | { | |
186 | struct drv_context *drvc; | |
187 | struct dev_context *devc; | |
188 | struct sr_dev_inst *sdi; | |
189 | struct sr_usb_dev_inst *usb; | |
190 | struct sr_channel *ch; | |
191 | struct sr_channel_group *cg; | |
192 | struct sr_config *src; | |
193 | const struct fx2lafw_profile *prof; | |
194 | GSList *l, *devices, *conn_devices; | |
195 | gboolean has_firmware; | |
196 | struct libusb_device_descriptor des; | |
197 | libusb_device **devlist; | |
198 | struct libusb_device_handle *hdl; | |
199 | int ret, i, j; | |
200 | int num_logic_channels = 0, num_analog_channels = 0; | |
201 | const char *conn; | |
202 | char manufacturer[64], product[64], serial_num[64], connection_id[64]; | |
203 | char channel_name[16]; | |
204 | ||
205 | drvc = di->context; | |
206 | ||
207 | conn = NULL; | |
208 | for (l = options; l; l = l->next) { | |
209 | src = l->data; | |
210 | switch (src->key) { | |
211 | case SR_CONF_CONN: | |
212 | conn = g_variant_get_string(src->data, NULL); | |
213 | break; | |
214 | } | |
215 | } | |
216 | if (conn) | |
217 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
218 | else | |
219 | conn_devices = NULL; | |
220 | ||
221 | /* Find all fx2lafw compatible devices and upload firmware to them. */ | |
222 | devices = NULL; | |
223 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); | |
224 | for (i = 0; devlist[i]; i++) { | |
225 | if (conn) { | |
226 | usb = NULL; | |
227 | for (l = conn_devices; l; l = l->next) { | |
228 | usb = l->data; | |
229 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
230 | && usb->address == libusb_get_device_address(devlist[i])) | |
231 | break; | |
232 | } | |
233 | if (!l) | |
234 | /* This device matched none of the ones that | |
235 | * matched the conn specification. */ | |
236 | continue; | |
237 | } | |
238 | ||
239 | libusb_get_device_descriptor( devlist[i], &des); | |
240 | ||
241 | if ((ret = libusb_open(devlist[i], &hdl)) < 0) | |
242 | continue; | |
243 | ||
244 | if (des.iManufacturer == 0) { | |
245 | manufacturer[0] = '\0'; | |
246 | } else if ((ret = libusb_get_string_descriptor_ascii(hdl, | |
247 | des.iManufacturer, (unsigned char *) manufacturer, | |
248 | sizeof(manufacturer))) < 0) { | |
249 | sr_warn("Failed to get manufacturer string descriptor: %s.", | |
250 | libusb_error_name(ret)); | |
251 | continue; | |
252 | } | |
253 | ||
254 | if (des.iProduct == 0) { | |
255 | product[0] = '\0'; | |
256 | } else if ((ret = libusb_get_string_descriptor_ascii(hdl, | |
257 | des.iProduct, (unsigned char *) product, | |
258 | sizeof(product))) < 0) { | |
259 | sr_warn("Failed to get product string descriptor: %s.", | |
260 | libusb_error_name(ret)); | |
261 | continue; | |
262 | } | |
263 | ||
264 | if (des.iSerialNumber == 0) { | |
265 | serial_num[0] = '\0'; | |
266 | } else if ((ret = libusb_get_string_descriptor_ascii(hdl, | |
267 | des.iSerialNumber, (unsigned char *) serial_num, | |
268 | sizeof(serial_num))) < 0) { | |
269 | sr_warn("Failed to get serial number string descriptor: %s.", | |
270 | libusb_error_name(ret)); | |
271 | continue; | |
272 | } | |
273 | ||
274 | usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)); | |
275 | ||
276 | libusb_close(hdl); | |
277 | ||
278 | prof = NULL; | |
279 | for (j = 0; supported_fx2[j].vid; j++) { | |
280 | if (des.idVendor == supported_fx2[j].vid && | |
281 | des.idProduct == supported_fx2[j].pid && | |
282 | (!supported_fx2[j].usb_manufacturer || | |
283 | !strcmp(manufacturer, supported_fx2[j].usb_manufacturer)) && | |
284 | (!supported_fx2[j].usb_manufacturer || | |
285 | !strcmp(product, supported_fx2[j].usb_product))) { | |
286 | prof = &supported_fx2[j]; | |
287 | break; | |
288 | } | |
289 | } | |
290 | ||
291 | /* Skip if the device was not found. */ | |
292 | if (!prof) | |
293 | continue; | |
294 | ||
295 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
296 | sdi->status = SR_ST_INITIALIZING; | |
297 | sdi->vendor = g_strdup(prof->vendor); | |
298 | sdi->model = g_strdup(prof->model); | |
299 | sdi->version = g_strdup(prof->model_version); | |
300 | sdi->driver = di; | |
301 | sdi->serial_num = g_strdup(serial_num); | |
302 | sdi->connection_id = g_strdup(connection_id); | |
303 | ||
304 | /* Fill in channellist according to this device's profile. */ | |
305 | num_logic_channels = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8; | |
306 | num_analog_channels = prof->dev_caps & DEV_CAPS_AX_ANALOG ? 1 : 0; | |
307 | ||
308 | /* Logic channels, all in one channel group. */ | |
309 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
310 | cg->name = g_strdup("Logic"); | |
311 | for (j = 0; j < num_logic_channels; j++) { | |
312 | sprintf(channel_name, "D%d", j); | |
313 | ch = sr_channel_new(sdi, j, SR_CHANNEL_LOGIC, | |
314 | TRUE, channel_name); | |
315 | cg->channels = g_slist_append(cg->channels, ch); | |
316 | } | |
317 | sdi->channel_groups = g_slist_append(NULL, cg); | |
318 | ||
319 | for (j = 0; j < num_analog_channels; j++) { | |
320 | snprintf(channel_name, 16, "A%d", j); | |
321 | ch = sr_channel_new(sdi, j + num_logic_channels, | |
322 | SR_CHANNEL_ANALOG, TRUE, channel_name); | |
323 | ||
324 | /* Every analog channel gets its own channel group. */ | |
325 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
326 | cg->name = g_strdup(channel_name); | |
327 | cg->channels = g_slist_append(NULL, ch); | |
328 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
329 | } | |
330 | ||
331 | devc = fx2lafw_dev_new(); | |
332 | devc->profile = prof; | |
333 | if ((prof->dev_caps & DEV_CAPS_16BIT) || (prof->dev_caps & DEV_CAPS_AX_ANALOG)) | |
334 | devc->sample_wide = TRUE; | |
335 | sdi->priv = devc; | |
336 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
337 | devices = g_slist_append(devices, sdi); | |
338 | ||
339 | if (!strcmp(prof->model, "DSLogic") | |
340 | || !strcmp(prof->model, "DSLogic Pro") | |
341 | || !strcmp(prof->model, "DSCope")) { | |
342 | devc->dslogic = TRUE; | |
343 | devc->samplerates = dslogic_samplerates; | |
344 | devc->num_samplerates = ARRAY_SIZE(dslogic_samplerates); | |
345 | has_firmware = match_manuf_prod(devlist[i], "DreamSourceLab", "DSLogic") | |
346 | || match_manuf_prod(devlist[i], "DreamSourceLab", "DSCope"); | |
347 | } else { | |
348 | devc->dslogic = FALSE; | |
349 | devc->samplerates = samplerates; | |
350 | devc->num_samplerates = ARRAY_SIZE(samplerates); | |
351 | has_firmware = match_manuf_prod(devlist[i], | |
352 | "sigrok", "fx2lafw"); | |
353 | } | |
354 | ||
355 | if (has_firmware) { | |
356 | /* Already has the firmware, so fix the new address. */ | |
357 | sr_dbg("Found an fx2lafw device."); | |
358 | sdi->status = SR_ST_INACTIVE; | |
359 | sdi->inst_type = SR_INST_USB; | |
360 | sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]), | |
361 | libusb_get_device_address(devlist[i]), NULL); | |
362 | } else { | |
363 | if (ezusb_upload_firmware(drvc->sr_ctx, devlist[i], | |
364 | USB_CONFIGURATION, prof->firmware) == SR_OK) | |
365 | /* Store when this device's FW was updated. */ | |
366 | devc->fw_updated = g_get_monotonic_time(); | |
367 | else | |
368 | sr_err("Firmware upload failed for " | |
369 | "device %d.%d (logical).", | |
370 | libusb_get_bus_number(devlist[i]), | |
371 | libusb_get_device_address(devlist[i])); | |
372 | sdi->inst_type = SR_INST_USB; | |
373 | sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]), | |
374 | 0xff, NULL); | |
375 | } | |
376 | } | |
377 | libusb_free_device_list(devlist, 1); | |
378 | g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free); | |
379 | ||
380 | return devices; | |
381 | } | |
382 | ||
383 | static void clear_dev_context(void *priv) | |
384 | { | |
385 | struct dev_context *devc; | |
386 | ||
387 | devc = priv; | |
388 | g_slist_free(devc->enabled_analog_channels); | |
389 | g_free(devc); | |
390 | } | |
391 | ||
392 | static int dev_clear(const struct sr_dev_driver *di) | |
393 | { | |
394 | return std_dev_clear(di, clear_dev_context); | |
395 | } | |
396 | ||
397 | static int dev_open(struct sr_dev_inst *sdi) | |
398 | { | |
399 | struct sr_dev_driver *di = sdi->driver; | |
400 | struct sr_usb_dev_inst *usb; | |
401 | struct dev_context *devc; | |
402 | const char *fpga_firmware = NULL; | |
403 | int ret; | |
404 | int64_t timediff_us, timediff_ms; | |
405 | ||
406 | devc = sdi->priv; | |
407 | usb = sdi->conn; | |
408 | ||
409 | /* | |
410 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS | |
411 | * milliseconds for the FX2 to renumerate. | |
412 | */ | |
413 | ret = SR_ERR; | |
414 | if (devc->fw_updated > 0) { | |
415 | sr_info("Waiting for device to reset."); | |
416 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ | |
417 | g_usleep(300 * 1000); | |
418 | timediff_ms = 0; | |
419 | while (timediff_ms < MAX_RENUM_DELAY_MS) { | |
420 | if ((ret = fx2lafw_dev_open(sdi, di)) == SR_OK) | |
421 | break; | |
422 | g_usleep(100 * 1000); | |
423 | ||
424 | timediff_us = g_get_monotonic_time() - devc->fw_updated; | |
425 | timediff_ms = timediff_us / 1000; | |
426 | sr_spew("Waited %" PRIi64 "ms.", timediff_ms); | |
427 | } | |
428 | if (ret != SR_OK) { | |
429 | sr_err("Device failed to renumerate."); | |
430 | return SR_ERR; | |
431 | } | |
432 | sr_info("Device came back after %" PRIi64 "ms.", timediff_ms); | |
433 | } else { | |
434 | sr_info("Firmware upload was not needed."); | |
435 | ret = fx2lafw_dev_open(sdi, di); | |
436 | } | |
437 | ||
438 | if (ret != SR_OK) { | |
439 | sr_err("Unable to open device."); | |
440 | return SR_ERR; | |
441 | } | |
442 | ||
443 | ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); | |
444 | if (ret != 0) { | |
445 | switch (ret) { | |
446 | case LIBUSB_ERROR_BUSY: | |
447 | sr_err("Unable to claim USB interface. Another " | |
448 | "program or driver has already claimed it."); | |
449 | break; | |
450 | case LIBUSB_ERROR_NO_DEVICE: | |
451 | sr_err("Device has been disconnected."); | |
452 | break; | |
453 | default: | |
454 | sr_err("Unable to claim interface: %s.", | |
455 | libusb_error_name(ret)); | |
456 | break; | |
457 | } | |
458 | ||
459 | return SR_ERR; | |
460 | } | |
461 | ||
462 | if (devc->dslogic) { | |
463 | if (!strcmp(devc->profile->model, "DSLogic")) { | |
464 | fpga_firmware = DSLOGIC_FPGA_FIRMWARE; | |
465 | } else if (!strcmp(devc->profile->model, "DSLogic Pro")) { | |
466 | fpga_firmware = DSLOGIC_PRO_FPGA_FIRMWARE; | |
467 | } else if (!strcmp(devc->profile->model, "DSCope")) { | |
468 | fpga_firmware = DSCOPE_FPGA_FIRMWARE; | |
469 | } | |
470 | ||
471 | if ((ret = dslogic_fpga_firmware_upload(sdi, | |
472 | fpga_firmware)) != SR_OK) | |
473 | return ret; | |
474 | } | |
475 | ||
476 | if (devc->cur_samplerate == 0) { | |
477 | /* Samplerate hasn't been set; default to the slowest one. */ | |
478 | devc->cur_samplerate = devc->samplerates[0]; | |
479 | } | |
480 | ||
481 | return SR_OK; | |
482 | } | |
483 | ||
484 | static int dev_close(struct sr_dev_inst *sdi) | |
485 | { | |
486 | struct sr_usb_dev_inst *usb; | |
487 | ||
488 | usb = sdi->conn; | |
489 | if (!usb->devhdl) | |
490 | return SR_ERR; | |
491 | ||
492 | sr_info("fx2lafw: Closing device on %d.%d (logical) / %s (physical) interface %d.", | |
493 | usb->bus, usb->address, sdi->connection_id, USB_INTERFACE); | |
494 | libusb_release_interface(usb->devhdl, USB_INTERFACE); | |
495 | libusb_close(usb->devhdl); | |
496 | usb->devhdl = NULL; | |
497 | sdi->status = SR_ST_INACTIVE; | |
498 | ||
499 | return SR_OK; | |
500 | } | |
501 | ||
502 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
503 | const struct sr_channel_group *cg) | |
504 | { | |
505 | struct dev_context *devc; | |
506 | struct sr_usb_dev_inst *usb; | |
507 | char str[128]; | |
508 | ||
509 | (void)cg; | |
510 | ||
511 | if (!sdi) | |
512 | return SR_ERR_ARG; | |
513 | ||
514 | devc = sdi->priv; | |
515 | ||
516 | switch (key) { | |
517 | case SR_CONF_CONN: | |
518 | if (!sdi->conn) | |
519 | return SR_ERR_ARG; | |
520 | usb = sdi->conn; | |
521 | if (usb->address == 255) | |
522 | /* Device still needs to re-enumerate after firmware | |
523 | * upload, so we don't know its (future) address. */ | |
524 | return SR_ERR; | |
525 | snprintf(str, 128, "%d.%d", usb->bus, usb->address); | |
526 | *data = g_variant_new_string(str); | |
527 | break; | |
528 | case SR_CONF_LIMIT_SAMPLES: | |
529 | *data = g_variant_new_uint64(devc->limit_samples); | |
530 | break; | |
531 | case SR_CONF_SAMPLERATE: | |
532 | *data = g_variant_new_uint64(devc->cur_samplerate); | |
533 | break; | |
534 | case SR_CONF_CAPTURE_RATIO: | |
535 | *data = g_variant_new_uint64(devc->capture_ratio); | |
536 | break; | |
537 | default: | |
538 | return SR_ERR_NA; | |
539 | } | |
540 | ||
541 | return SR_OK; | |
542 | } | |
543 | ||
544 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
545 | const struct sr_channel_group *cg) | |
546 | { | |
547 | struct dev_context *devc; | |
548 | uint64_t arg; | |
549 | int i, ret; | |
550 | ||
551 | (void)cg; | |
552 | ||
553 | if (!sdi) | |
554 | return SR_ERR_ARG; | |
555 | ||
556 | if (sdi->status != SR_ST_ACTIVE) | |
557 | return SR_ERR; | |
558 | ||
559 | devc = sdi->priv; | |
560 | ||
561 | ret = SR_OK; | |
562 | ||
563 | switch (key) { | |
564 | case SR_CONF_SAMPLERATE: | |
565 | arg = g_variant_get_uint64(data); | |
566 | for (i = 0; i < devc->num_samplerates; i++) { | |
567 | if (devc->samplerates[i] == arg) { | |
568 | devc->cur_samplerate = arg; | |
569 | break; | |
570 | } | |
571 | } | |
572 | if (i == devc->num_samplerates) | |
573 | ret = SR_ERR_ARG; | |
574 | break; | |
575 | case SR_CONF_LIMIT_SAMPLES: | |
576 | devc->limit_samples = g_variant_get_uint64(data); | |
577 | break; | |
578 | case SR_CONF_CAPTURE_RATIO: | |
579 | devc->capture_ratio = g_variant_get_uint64(data); | |
580 | ret = (devc->capture_ratio > 100) ? SR_ERR : SR_OK; | |
581 | break; | |
582 | default: | |
583 | ret = SR_ERR_NA; | |
584 | } | |
585 | ||
586 | return ret; | |
587 | } | |
588 | ||
589 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
590 | const struct sr_channel_group *cg) | |
591 | { | |
592 | struct dev_context *devc; | |
593 | GVariant *gvar; | |
594 | GVariantBuilder gvb; | |
595 | ||
596 | (void)cg; | |
597 | ||
598 | switch (key) { | |
599 | case SR_CONF_SCAN_OPTIONS: | |
600 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
601 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
602 | break; | |
603 | case SR_CONF_DEVICE_OPTIONS: | |
604 | if (!sdi) | |
605 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
606 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); | |
607 | else | |
608 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
609 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); | |
610 | break; | |
611 | case SR_CONF_SAMPLERATE: | |
612 | if (!sdi->priv) | |
613 | return SR_ERR_ARG; | |
614 | devc = sdi->priv; | |
615 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); | |
616 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), devc->samplerates, | |
617 | devc->num_samplerates, sizeof(uint64_t)); | |
618 | g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar); | |
619 | *data = g_variant_builder_end(&gvb); | |
620 | break; | |
621 | case SR_CONF_TRIGGER_MATCH: | |
622 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
623 | soft_trigger_matches, ARRAY_SIZE(soft_trigger_matches), | |
624 | sizeof(int32_t)); | |
625 | break; | |
626 | default: | |
627 | return SR_ERR_NA; | |
628 | } | |
629 | ||
630 | return SR_OK; | |
631 | } | |
632 | ||
633 | static int receive_data(int fd, int revents, void *cb_data) | |
634 | { | |
635 | struct timeval tv; | |
636 | struct drv_context *drvc; | |
637 | ||
638 | (void)fd; | |
639 | (void)revents; | |
640 | ||
641 | drvc = (struct drv_context *)cb_data; | |
642 | ||
643 | tv.tv_sec = tv.tv_usec = 0; | |
644 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); | |
645 | ||
646 | return TRUE; | |
647 | } | |
648 | ||
649 | static int start_transfers(const struct sr_dev_inst *sdi) | |
650 | { | |
651 | struct dev_context *devc; | |
652 | struct sr_usb_dev_inst *usb; | |
653 | struct sr_trigger *trigger; | |
654 | struct libusb_transfer *transfer; | |
655 | unsigned int i, num_transfers; | |
656 | int endpoint, timeout, ret; | |
657 | unsigned char *buf; | |
658 | size_t size; | |
659 | ||
660 | devc = sdi->priv; | |
661 | usb = sdi->conn; | |
662 | ||
663 | devc->sent_samples = 0; | |
664 | devc->acq_aborted = FALSE; | |
665 | devc->empty_transfer_count = 0; | |
666 | ||
667 | if ((trigger = sr_session_trigger_get(sdi->session))) { | |
668 | int pre_trigger_samples = 0; | |
669 | if (devc->limit_samples > 0) | |
670 | pre_trigger_samples = devc->capture_ratio * devc->limit_samples/100; | |
671 | devc->stl = soft_trigger_logic_new(sdi, trigger, pre_trigger_samples); | |
672 | if (!devc->stl) | |
673 | return SR_ERR_MALLOC; | |
674 | devc->trigger_fired = FALSE; | |
675 | } else | |
676 | devc->trigger_fired = TRUE; | |
677 | ||
678 | num_transfers = fx2lafw_get_number_of_transfers(devc); | |
679 | size = fx2lafw_get_buffer_size(devc); | |
680 | devc->submitted_transfers = 0; | |
681 | ||
682 | devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers); | |
683 | if (!devc->transfers) { | |
684 | sr_err("USB transfers malloc failed."); | |
685 | return SR_ERR_MALLOC; | |
686 | } | |
687 | ||
688 | timeout = fx2lafw_get_timeout(devc); | |
689 | endpoint = devc->dslogic ? 6 : 2; | |
690 | devc->num_transfers = num_transfers; | |
691 | for (i = 0; i < num_transfers; i++) { | |
692 | if (!(buf = g_try_malloc(size))) { | |
693 | sr_err("USB transfer buffer malloc failed."); | |
694 | return SR_ERR_MALLOC; | |
695 | } | |
696 | transfer = libusb_alloc_transfer(0); | |
697 | libusb_fill_bulk_transfer(transfer, usb->devhdl, | |
698 | endpoint | LIBUSB_ENDPOINT_IN, buf, size, | |
699 | fx2lafw_receive_transfer, (void *)sdi, timeout); | |
700 | if ((ret = libusb_submit_transfer(transfer)) != 0) { | |
701 | sr_err("Failed to submit transfer: %s.", | |
702 | libusb_error_name(ret)); | |
703 | libusb_free_transfer(transfer); | |
704 | g_free(buf); | |
705 | fx2lafw_abort_acquisition(devc); | |
706 | return SR_ERR; | |
707 | } | |
708 | devc->transfers[i] = transfer; | |
709 | devc->submitted_transfers++; | |
710 | } | |
711 | ||
712 | if (devc->profile->dev_caps & DEV_CAPS_AX_ANALOG) | |
713 | devc->send_data_proc = mso_send_data_proc; | |
714 | else | |
715 | devc->send_data_proc = la_send_data_proc; | |
716 | ||
717 | std_session_send_df_header(sdi, LOG_PREFIX); | |
718 | ||
719 | return SR_OK; | |
720 | } | |
721 | ||
722 | static void LIBUSB_CALL dslogic_trigger_receive(struct libusb_transfer *transfer) | |
723 | { | |
724 | const struct sr_dev_inst *sdi; | |
725 | struct dslogic_trigger_pos *tpos; | |
726 | struct dev_context *devc; | |
727 | ||
728 | sdi = transfer->user_data; | |
729 | devc = sdi->priv; | |
730 | if (transfer->status == LIBUSB_TRANSFER_CANCELLED) { | |
731 | sr_dbg("Trigger transfer canceled."); | |
732 | /* Terminate session. */ | |
733 | std_session_send_df_end(sdi, LOG_PREFIX); | |
734 | usb_source_remove(sdi->session, devc->ctx); | |
735 | devc->num_transfers = 0; | |
736 | g_free(devc->transfers); | |
737 | if (devc->stl) { | |
738 | soft_trigger_logic_free(devc->stl); | |
739 | devc->stl = NULL; | |
740 | } | |
741 | } else if (transfer->status == LIBUSB_TRANSFER_COMPLETED | |
742 | && transfer->actual_length == sizeof(struct dslogic_trigger_pos)) { | |
743 | tpos = (struct dslogic_trigger_pos *)transfer->buffer; | |
744 | sr_dbg("tpos real_pos %.8x ram_saddr %.8x", tpos->real_pos, tpos->ram_saddr); | |
745 | g_free(tpos); | |
746 | start_transfers(sdi); | |
747 | } | |
748 | ||
749 | libusb_free_transfer(transfer); | |
750 | } | |
751 | ||
752 | static int dslogic_trigger_request(const struct sr_dev_inst *sdi) | |
753 | { | |
754 | struct sr_usb_dev_inst *usb; | |
755 | struct libusb_transfer *transfer; | |
756 | struct dslogic_trigger_pos *tpos; | |
757 | struct dev_context *devc; | |
758 | int ret; | |
759 | ||
760 | usb = sdi->conn; | |
761 | devc = sdi->priv; | |
762 | ||
763 | if ((ret = dslogic_stop_acquisition(sdi)) != SR_OK) | |
764 | return ret; | |
765 | ||
766 | if ((ret = dslogic_fpga_configure(sdi)) != SR_OK) | |
767 | return ret; | |
768 | ||
769 | if ((ret = dslogic_start_acquisition(sdi)) != SR_OK) | |
770 | return ret; | |
771 | ||
772 | sr_dbg("Getting trigger."); | |
773 | tpos = g_malloc(sizeof(struct dslogic_trigger_pos)); | |
774 | transfer = libusb_alloc_transfer(0); | |
775 | libusb_fill_bulk_transfer(transfer, usb->devhdl, 6 | LIBUSB_ENDPOINT_IN, | |
776 | (unsigned char *)tpos, sizeof(struct dslogic_trigger_pos), | |
777 | dslogic_trigger_receive, (void *)sdi, 0); | |
778 | if ((ret = libusb_submit_transfer(transfer)) < 0) { | |
779 | sr_err("Failed to request trigger: %s.", libusb_error_name(ret)); | |
780 | libusb_free_transfer(transfer); | |
781 | g_free(tpos); | |
782 | return SR_ERR; | |
783 | } | |
784 | ||
785 | devc->transfers = g_try_malloc0(sizeof(*devc->transfers)); | |
786 | if (!devc->transfers) { | |
787 | sr_err("USB trigger_pos transfer malloc failed."); | |
788 | return SR_ERR_MALLOC; | |
789 | } | |
790 | devc->num_transfers = 1; | |
791 | devc->submitted_transfers++; | |
792 | devc->transfers[0] = transfer; | |
793 | ||
794 | return ret; | |
795 | } | |
796 | ||
797 | static int configure_channels(const struct sr_dev_inst *sdi) | |
798 | { | |
799 | struct dev_context *devc; | |
800 | const GSList *l; | |
801 | int p; | |
802 | struct sr_channel *ch; | |
803 | ||
804 | devc = sdi->priv; | |
805 | ||
806 | g_slist_free(devc->enabled_analog_channels); | |
807 | devc->enabled_analog_channels = NULL; | |
808 | memset(devc->ch_enabled, 0, sizeof(devc->ch_enabled)); | |
809 | ||
810 | for (l = sdi->channels, p = 0; l; l = l->next, p++) { | |
811 | ch = l->data; | |
812 | if ((p <= NUM_CHANNELS) && (ch->type == SR_CHANNEL_ANALOG)) { | |
813 | devc->ch_enabled[p] = ch->enabled; | |
814 | devc->enabled_analog_channels = | |
815 | g_slist_append(devc->enabled_analog_channels, ch); | |
816 | } | |
817 | } | |
818 | ||
819 | return SR_OK; | |
820 | } | |
821 | ||
822 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
823 | { | |
824 | struct sr_dev_driver *di; | |
825 | struct drv_context *drvc; | |
826 | struct dev_context *devc; | |
827 | int timeout, ret; | |
828 | size_t size; | |
829 | ||
830 | if (sdi->status != SR_ST_ACTIVE) | |
831 | return SR_ERR_DEV_CLOSED; | |
832 | ||
833 | di = sdi->driver; | |
834 | drvc = di->context; | |
835 | devc = sdi->priv; | |
836 | ||
837 | devc->ctx = drvc->sr_ctx; | |
838 | devc->sent_samples = 0; | |
839 | devc->empty_transfer_count = 0; | |
840 | devc->acq_aborted = FALSE; | |
841 | ||
842 | if (configure_channels(sdi) != SR_OK) { | |
843 | sr_err("Failed to configure channels."); | |
844 | return SR_ERR; | |
845 | } | |
846 | ||
847 | timeout = fx2lafw_get_timeout(devc); | |
848 | usb_source_add(sdi->session, devc->ctx, timeout, receive_data, drvc); | |
849 | ||
850 | if (devc->dslogic) { | |
851 | dslogic_trigger_request(sdi); | |
852 | } else { | |
853 | size = fx2lafw_get_buffer_size(devc); | |
854 | /* Prepare for analog sampling. */ | |
855 | if (devc->profile->dev_caps & DEV_CAPS_AX_ANALOG) { | |
856 | /* We need a buffer half the size of a transfer. */ | |
857 | devc->logic_buffer = g_try_malloc(size / 2); | |
858 | devc->analog_buffer = g_try_malloc( | |
859 | sizeof(float) * size / 2); | |
860 | } | |
861 | start_transfers(sdi); | |
862 | if ((ret = fx2lafw_command_start_acquisition(sdi)) != SR_OK) { | |
863 | fx2lafw_abort_acquisition(devc); | |
864 | return ret; | |
865 | } | |
866 | } | |
867 | ||
868 | return SR_OK; | |
869 | } | |
870 | ||
871 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
872 | { | |
873 | struct dev_context *devc; | |
874 | ||
875 | devc = sdi->priv; | |
876 | ||
877 | if (devc->dslogic) | |
878 | dslogic_stop_acquisition(sdi); | |
879 | ||
880 | fx2lafw_abort_acquisition(sdi->priv); | |
881 | ||
882 | return SR_OK; | |
883 | } | |
884 | ||
885 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { | |
886 | .name = "fx2lafw", | |
887 | .longname = "fx2lafw (generic driver for FX2 based LAs)", | |
888 | .api_version = 1, | |
889 | .init = std_init, | |
890 | .cleanup = std_cleanup, | |
891 | .scan = scan, | |
892 | .dev_list = std_dev_list, | |
893 | .dev_clear = dev_clear, | |
894 | .config_get = config_get, | |
895 | .config_set = config_set, | |
896 | .config_list = config_list, | |
897 | .dev_open = dev_open, | |
898 | .dev_close = dev_close, | |
899 | .dev_acquisition_start = dev_acquisition_start, | |
900 | .dev_acquisition_stop = dev_acquisition_stop, | |
901 | .context = NULL, | |
902 | }; |