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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 | 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 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 int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) | |
185 | { | |
186 | return std_init(sr_ctx, di, LOG_PREFIX); | |
187 | } | |
188 | ||
189 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
190 | { | |
191 | struct drv_context *drvc; | |
192 | struct dev_context *devc; | |
193 | struct sr_dev_inst *sdi; | |
194 | struct sr_usb_dev_inst *usb; | |
195 | struct sr_channel *ch; | |
196 | struct sr_channel_group *cg; | |
197 | struct sr_config *src; | |
198 | const struct fx2lafw_profile *prof; | |
199 | GSList *l, *devices, *conn_devices; | |
200 | gboolean has_firmware; | |
201 | struct libusb_device_descriptor des; | |
202 | libusb_device **devlist; | |
203 | struct libusb_device_handle *hdl; | |
204 | int ret, i, j; | |
205 | int num_logic_channels = 0, num_analog_channels = 0; | |
206 | const char *conn; | |
207 | char manufacturer[64], product[64], serial_num[64], connection_id[64]; | |
208 | char channel_name[16]; | |
209 | ||
210 | drvc = di->context; | |
211 | ||
212 | conn = NULL; | |
213 | for (l = options; l; l = l->next) { | |
214 | src = l->data; | |
215 | switch (src->key) { | |
216 | case SR_CONF_CONN: | |
217 | conn = g_variant_get_string(src->data, NULL); | |
218 | break; | |
219 | } | |
220 | } | |
221 | if (conn) | |
222 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
223 | else | |
224 | conn_devices = NULL; | |
225 | ||
226 | /* Find all fx2lafw compatible devices and upload firmware to them. */ | |
227 | devices = NULL; | |
228 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); | |
229 | for (i = 0; devlist[i]; i++) { | |
230 | if (conn) { | |
231 | usb = NULL; | |
232 | for (l = conn_devices; l; l = l->next) { | |
233 | usb = l->data; | |
234 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
235 | && usb->address == libusb_get_device_address(devlist[i])) | |
236 | break; | |
237 | } | |
238 | if (!l) | |
239 | /* This device matched none of the ones that | |
240 | * matched the conn specification. */ | |
241 | continue; | |
242 | } | |
243 | ||
244 | libusb_get_device_descriptor( devlist[i], &des); | |
245 | ||
246 | if ((ret = libusb_open(devlist[i], &hdl)) < 0) | |
247 | continue; | |
248 | ||
249 | if (des.iManufacturer == 0) { | |
250 | manufacturer[0] = '\0'; | |
251 | } else if ((ret = libusb_get_string_descriptor_ascii(hdl, | |
252 | des.iManufacturer, (unsigned char *) manufacturer, | |
253 | sizeof(manufacturer))) < 0) { | |
254 | sr_warn("Failed to get manufacturer string descriptor: %s.", | |
255 | libusb_error_name(ret)); | |
256 | continue; | |
257 | } | |
258 | ||
259 | if (des.iProduct == 0) { | |
260 | product[0] = '\0'; | |
261 | } else if ((ret = libusb_get_string_descriptor_ascii(hdl, | |
262 | des.iProduct, (unsigned char *) product, | |
263 | sizeof(product))) < 0) { | |
264 | sr_warn("Failed to get product string descriptor: %s.", | |
265 | libusb_error_name(ret)); | |
266 | continue; | |
267 | } | |
268 | ||
269 | if (des.iSerialNumber == 0) { | |
270 | serial_num[0] = '\0'; | |
271 | } else if ((ret = libusb_get_string_descriptor_ascii(hdl, | |
272 | des.iSerialNumber, (unsigned char *) serial_num, | |
273 | sizeof(serial_num))) < 0) { | |
274 | sr_warn("Failed to get serial number string descriptor: %s.", | |
275 | libusb_error_name(ret)); | |
276 | continue; | |
277 | } | |
278 | ||
279 | usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)); | |
280 | ||
281 | libusb_close(hdl); | |
282 | ||
283 | prof = NULL; | |
284 | for (j = 0; supported_fx2[j].vid; j++) { | |
285 | if (des.idVendor == supported_fx2[j].vid && | |
286 | des.idProduct == supported_fx2[j].pid && | |
287 | (!supported_fx2[j].usb_manufacturer || | |
288 | !strcmp(manufacturer, supported_fx2[j].usb_manufacturer)) && | |
289 | (!supported_fx2[j].usb_manufacturer || | |
290 | !strcmp(product, supported_fx2[j].usb_product))) { | |
291 | prof = &supported_fx2[j]; | |
292 | break; | |
293 | } | |
294 | } | |
295 | ||
296 | /* Skip if the device was not found. */ | |
297 | if (!prof) | |
298 | continue; | |
299 | ||
300 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
301 | sdi->status = SR_ST_INITIALIZING; | |
302 | sdi->vendor = g_strdup(prof->vendor); | |
303 | sdi->model = g_strdup(prof->model); | |
304 | sdi->version = g_strdup(prof->model_version); | |
305 | sdi->driver = di; | |
306 | sdi->serial_num = g_strdup(serial_num); | |
307 | sdi->connection_id = g_strdup(connection_id); | |
308 | ||
309 | /* Fill in channellist according to this device's profile. */ | |
310 | num_logic_channels = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8; | |
311 | num_analog_channels = prof->dev_caps & DEV_CAPS_AX_ANALOG ? 1 : 0; | |
312 | ||
313 | /* Logic channels, all in one channel group. */ | |
314 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
315 | cg->name = g_strdup("Logic"); | |
316 | for (j = 0; j < num_logic_channels; j++) { | |
317 | sprintf(channel_name, "D%d", j); | |
318 | ch = sr_channel_new(sdi, j, SR_CHANNEL_LOGIC, | |
319 | TRUE, channel_name); | |
320 | cg->channels = g_slist_append(cg->channels, ch); | |
321 | } | |
322 | sdi->channel_groups = g_slist_append(NULL, cg); | |
323 | ||
324 | for (j = 0; j < num_analog_channels; j++) { | |
325 | snprintf(channel_name, 16, "A%d", j); | |
326 | ch = sr_channel_new(sdi, j + num_logic_channels, | |
327 | SR_CHANNEL_ANALOG, TRUE, channel_name); | |
328 | ||
329 | /* Every analog channel gets its own channel group. */ | |
330 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
331 | cg->name = g_strdup(channel_name); | |
332 | cg->channels = g_slist_append(NULL, ch); | |
333 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
334 | } | |
335 | ||
336 | devc = fx2lafw_dev_new(); | |
337 | devc->profile = prof; | |
338 | if ((prof->dev_caps & DEV_CAPS_16BIT) || (prof->dev_caps & DEV_CAPS_AX_ANALOG)) | |
339 | devc->sample_wide = TRUE; | |
340 | sdi->priv = devc; | |
341 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
342 | devices = g_slist_append(devices, sdi); | |
343 | ||
344 | if (!strcmp(prof->model, "DSLogic") | |
345 | || !strcmp(prof->model, "DSLogic Pro") | |
346 | || !strcmp(prof->model, "DSCope")) { | |
347 | devc->dslogic = TRUE; | |
348 | devc->samplerates = dslogic_samplerates; | |
349 | devc->num_samplerates = ARRAY_SIZE(dslogic_samplerates); | |
350 | has_firmware = match_manuf_prod(devlist[i], "DreamSourceLab", "DSLogic") | |
351 | || match_manuf_prod(devlist[i], "DreamSourceLab", "DSCope"); | |
352 | } else { | |
353 | devc->dslogic = FALSE; | |
354 | devc->samplerates = samplerates; | |
355 | devc->num_samplerates = ARRAY_SIZE(samplerates); | |
356 | has_firmware = match_manuf_prod(devlist[i], | |
357 | "sigrok", "fx2lafw"); | |
358 | } | |
359 | ||
360 | if (has_firmware) { | |
361 | /* Already has the firmware, so fix the new address. */ | |
362 | sr_dbg("Found an fx2lafw device."); | |
363 | sdi->status = SR_ST_INACTIVE; | |
364 | sdi->inst_type = SR_INST_USB; | |
365 | sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]), | |
366 | libusb_get_device_address(devlist[i]), NULL); | |
367 | } else { | |
368 | if (ezusb_upload_firmware(drvc->sr_ctx, devlist[i], | |
369 | USB_CONFIGURATION, prof->firmware) == SR_OK) | |
370 | /* Store when this device's FW was updated. */ | |
371 | devc->fw_updated = g_get_monotonic_time(); | |
372 | else | |
373 | sr_err("Firmware upload failed for " | |
374 | "device %d.%d (logical).", | |
375 | libusb_get_bus_number(devlist[i]), | |
376 | libusb_get_device_address(devlist[i])); | |
377 | sdi->inst_type = SR_INST_USB; | |
378 | sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]), | |
379 | 0xff, NULL); | |
380 | } | |
381 | } | |
382 | libusb_free_device_list(devlist, 1); | |
383 | g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free); | |
384 | ||
385 | return devices; | |
386 | } | |
387 | ||
388 | static void clear_dev_context(void *priv) | |
389 | { | |
390 | struct dev_context *devc; | |
391 | ||
392 | devc = priv; | |
393 | g_slist_free(devc->enabled_analog_channels); | |
394 | g_free(devc); | |
395 | } | |
396 | ||
397 | static int dev_clear(const struct sr_dev_driver *di) | |
398 | { | |
399 | return std_dev_clear(di, clear_dev_context); | |
400 | } | |
401 | ||
402 | static GSList *dev_list(const struct sr_dev_driver *di) | |
403 | { | |
404 | return ((struct drv_context *)(di->context))->instances; | |
405 | } | |
406 | ||
407 | static int dev_open(struct sr_dev_inst *sdi) | |
408 | { | |
409 | struct sr_dev_driver *di = sdi->driver; | |
410 | struct sr_usb_dev_inst *usb; | |
411 | struct dev_context *devc; | |
412 | const char *fpga_firmware = NULL; | |
413 | int ret; | |
414 | int64_t timediff_us, timediff_ms; | |
415 | ||
416 | devc = sdi->priv; | |
417 | usb = sdi->conn; | |
418 | ||
419 | /* | |
420 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS | |
421 | * milliseconds for the FX2 to renumerate. | |
422 | */ | |
423 | ret = SR_ERR; | |
424 | if (devc->fw_updated > 0) { | |
425 | sr_info("Waiting for device to reset."); | |
426 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ | |
427 | g_usleep(300 * 1000); | |
428 | timediff_ms = 0; | |
429 | while (timediff_ms < MAX_RENUM_DELAY_MS) { | |
430 | if ((ret = fx2lafw_dev_open(sdi, di)) == SR_OK) | |
431 | break; | |
432 | g_usleep(100 * 1000); | |
433 | ||
434 | timediff_us = g_get_monotonic_time() - devc->fw_updated; | |
435 | timediff_ms = timediff_us / 1000; | |
436 | sr_spew("Waited %" PRIi64 "ms.", timediff_ms); | |
437 | } | |
438 | if (ret != SR_OK) { | |
439 | sr_err("Device failed to renumerate."); | |
440 | return SR_ERR; | |
441 | } | |
442 | sr_info("Device came back after %" PRIi64 "ms.", timediff_ms); | |
443 | } else { | |
444 | sr_info("Firmware upload was not needed."); | |
445 | ret = fx2lafw_dev_open(sdi, di); | |
446 | } | |
447 | ||
448 | if (ret != SR_OK) { | |
449 | sr_err("Unable to open device."); | |
450 | return SR_ERR; | |
451 | } | |
452 | ||
453 | ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); | |
454 | if (ret != 0) { | |
455 | switch (ret) { | |
456 | case LIBUSB_ERROR_BUSY: | |
457 | sr_err("Unable to claim USB interface. Another " | |
458 | "program or driver has already claimed it."); | |
459 | break; | |
460 | case LIBUSB_ERROR_NO_DEVICE: | |
461 | sr_err("Device has been disconnected."); | |
462 | break; | |
463 | default: | |
464 | sr_err("Unable to claim interface: %s.", | |
465 | libusb_error_name(ret)); | |
466 | break; | |
467 | } | |
468 | ||
469 | return SR_ERR; | |
470 | } | |
471 | ||
472 | if (devc->dslogic) { | |
473 | if (!strcmp(devc->profile->model, "DSLogic")) { | |
474 | fpga_firmware = DSLOGIC_FPGA_FIRMWARE; | |
475 | } else if (!strcmp(devc->profile->model, "DSLogic Pro")) { | |
476 | fpga_firmware = DSLOGIC_PRO_FPGA_FIRMWARE; | |
477 | } else if (!strcmp(devc->profile->model, "DSCope")) { | |
478 | fpga_firmware = DSCOPE_FPGA_FIRMWARE; | |
479 | } | |
480 | ||
481 | if ((ret = dslogic_fpga_firmware_upload(sdi, | |
482 | fpga_firmware)) != SR_OK) | |
483 | return ret; | |
484 | } | |
485 | ||
486 | if (devc->cur_samplerate == 0) { | |
487 | /* Samplerate hasn't been set; default to the slowest one. */ | |
488 | devc->cur_samplerate = devc->samplerates[0]; | |
489 | } | |
490 | ||
491 | return SR_OK; | |
492 | } | |
493 | ||
494 | static int dev_close(struct sr_dev_inst *sdi) | |
495 | { | |
496 | struct sr_usb_dev_inst *usb; | |
497 | ||
498 | usb = sdi->conn; | |
499 | if (!usb->devhdl) | |
500 | return SR_ERR; | |
501 | ||
502 | sr_info("fx2lafw: Closing device on %d.%d (logical) / %s (physical) interface %d.", | |
503 | usb->bus, usb->address, sdi->connection_id, USB_INTERFACE); | |
504 | libusb_release_interface(usb->devhdl, USB_INTERFACE); | |
505 | libusb_close(usb->devhdl); | |
506 | usb->devhdl = NULL; | |
507 | sdi->status = SR_ST_INACTIVE; | |
508 | ||
509 | return SR_OK; | |
510 | } | |
511 | ||
512 | static int cleanup(const struct sr_dev_driver *di) | |
513 | { | |
514 | int ret; | |
515 | struct drv_context *drvc; | |
516 | ||
517 | if (!(drvc = di->context)) | |
518 | return SR_OK; | |
519 | ||
520 | ret = std_dev_clear(di, NULL); | |
521 | ||
522 | g_free(drvc); | |
523 | ||
524 | return ret; | |
525 | } | |
526 | ||
527 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
528 | const struct sr_channel_group *cg) | |
529 | { | |
530 | struct dev_context *devc; | |
531 | struct sr_usb_dev_inst *usb; | |
532 | char str[128]; | |
533 | ||
534 | (void)cg; | |
535 | ||
536 | if (!sdi) | |
537 | return SR_ERR_ARG; | |
538 | ||
539 | devc = sdi->priv; | |
540 | ||
541 | switch (key) { | |
542 | case SR_CONF_CONN: | |
543 | if (!sdi->conn) | |
544 | return SR_ERR_ARG; | |
545 | usb = sdi->conn; | |
546 | if (usb->address == 255) | |
547 | /* Device still needs to re-enumerate after firmware | |
548 | * upload, so we don't know its (future) address. */ | |
549 | return SR_ERR; | |
550 | snprintf(str, 128, "%d.%d", usb->bus, usb->address); | |
551 | *data = g_variant_new_string(str); | |
552 | break; | |
553 | case SR_CONF_LIMIT_SAMPLES: | |
554 | *data = g_variant_new_uint64(devc->limit_samples); | |
555 | break; | |
556 | case SR_CONF_SAMPLERATE: | |
557 | *data = g_variant_new_uint64(devc->cur_samplerate); | |
558 | break; | |
559 | case SR_CONF_CAPTURE_RATIO: | |
560 | *data = g_variant_new_uint64(devc->capture_ratio); | |
561 | break; | |
562 | default: | |
563 | return SR_ERR_NA; | |
564 | } | |
565 | ||
566 | return SR_OK; | |
567 | } | |
568 | ||
569 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
570 | const struct sr_channel_group *cg) | |
571 | { | |
572 | struct dev_context *devc; | |
573 | uint64_t arg; | |
574 | int i, ret; | |
575 | ||
576 | (void)cg; | |
577 | ||
578 | if (!sdi) | |
579 | return SR_ERR_ARG; | |
580 | ||
581 | if (sdi->status != SR_ST_ACTIVE) | |
582 | return SR_ERR; | |
583 | ||
584 | devc = sdi->priv; | |
585 | ||
586 | ret = SR_OK; | |
587 | ||
588 | switch (key) { | |
589 | case SR_CONF_SAMPLERATE: | |
590 | arg = g_variant_get_uint64(data); | |
591 | for (i = 0; i < devc->num_samplerates; i++) { | |
592 | if (devc->samplerates[i] == arg) { | |
593 | devc->cur_samplerate = arg; | |
594 | break; | |
595 | } | |
596 | } | |
597 | if (i == devc->num_samplerates) | |
598 | ret = SR_ERR_ARG; | |
599 | break; | |
600 | case SR_CONF_LIMIT_SAMPLES: | |
601 | devc->limit_samples = g_variant_get_uint64(data); | |
602 | break; | |
603 | case SR_CONF_CAPTURE_RATIO: | |
604 | devc->capture_ratio = g_variant_get_uint64(data); | |
605 | ret = (devc->capture_ratio > 100) ? SR_ERR : SR_OK; | |
606 | break; | |
607 | default: | |
608 | ret = SR_ERR_NA; | |
609 | } | |
610 | ||
611 | return ret; | |
612 | } | |
613 | ||
614 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
615 | const struct sr_channel_group *cg) | |
616 | { | |
617 | struct dev_context *devc; | |
618 | GVariant *gvar; | |
619 | GVariantBuilder gvb; | |
620 | ||
621 | (void)cg; | |
622 | ||
623 | switch (key) { | |
624 | case SR_CONF_SCAN_OPTIONS: | |
625 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
626 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
627 | break; | |
628 | case SR_CONF_DEVICE_OPTIONS: | |
629 | if (!sdi) | |
630 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
631 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); | |
632 | else | |
633 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
634 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); | |
635 | break; | |
636 | case SR_CONF_SAMPLERATE: | |
637 | if (!sdi->priv) | |
638 | return SR_ERR_ARG; | |
639 | devc = sdi->priv; | |
640 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); | |
641 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), devc->samplerates, | |
642 | devc->num_samplerates, sizeof(uint64_t)); | |
643 | g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar); | |
644 | *data = g_variant_builder_end(&gvb); | |
645 | break; | |
646 | case SR_CONF_TRIGGER_MATCH: | |
647 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
648 | soft_trigger_matches, ARRAY_SIZE(soft_trigger_matches), | |
649 | sizeof(int32_t)); | |
650 | break; | |
651 | default: | |
652 | return SR_ERR_NA; | |
653 | } | |
654 | ||
655 | return SR_OK; | |
656 | } | |
657 | ||
658 | static int receive_data(int fd, int revents, void *cb_data) | |
659 | { | |
660 | struct timeval tv; | |
661 | struct drv_context *drvc; | |
662 | ||
663 | (void)fd; | |
664 | (void)revents; | |
665 | ||
666 | drvc = (struct drv_context *)cb_data; | |
667 | ||
668 | tv.tv_sec = tv.tv_usec = 0; | |
669 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); | |
670 | ||
671 | return TRUE; | |
672 | } | |
673 | ||
674 | static int start_transfers(const struct sr_dev_inst *sdi) | |
675 | { | |
676 | struct dev_context *devc; | |
677 | struct sr_usb_dev_inst *usb; | |
678 | struct sr_trigger *trigger; | |
679 | struct libusb_transfer *transfer; | |
680 | unsigned int i, num_transfers; | |
681 | int endpoint, timeout, ret; | |
682 | unsigned char *buf; | |
683 | size_t size; | |
684 | ||
685 | devc = sdi->priv; | |
686 | usb = sdi->conn; | |
687 | ||
688 | devc->sent_samples = 0; | |
689 | devc->acq_aborted = FALSE; | |
690 | devc->empty_transfer_count = 0; | |
691 | ||
692 | if ((trigger = sr_session_trigger_get(sdi->session))) { | |
693 | int pre_trigger_samples = 0; | |
694 | if (devc->limit_samples > 0) | |
695 | pre_trigger_samples = devc->capture_ratio * devc->limit_samples/100; | |
696 | devc->stl = soft_trigger_logic_new(sdi, trigger, pre_trigger_samples); | |
697 | if (!devc->stl) | |
698 | return SR_ERR_MALLOC; | |
699 | devc->trigger_fired = FALSE; | |
700 | } else | |
701 | devc->trigger_fired = TRUE; | |
702 | ||
703 | num_transfers = fx2lafw_get_number_of_transfers(devc); | |
704 | size = fx2lafw_get_buffer_size(devc); | |
705 | devc->submitted_transfers = 0; | |
706 | ||
707 | devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers); | |
708 | if (!devc->transfers) { | |
709 | sr_err("USB transfers malloc failed."); | |
710 | return SR_ERR_MALLOC; | |
711 | } | |
712 | ||
713 | timeout = fx2lafw_get_timeout(devc); | |
714 | endpoint = devc->dslogic ? 6 : 2; | |
715 | devc->num_transfers = num_transfers; | |
716 | for (i = 0; i < num_transfers; i++) { | |
717 | if (!(buf = g_try_malloc(size))) { | |
718 | sr_err("USB transfer buffer malloc failed."); | |
719 | return SR_ERR_MALLOC; | |
720 | } | |
721 | transfer = libusb_alloc_transfer(0); | |
722 | libusb_fill_bulk_transfer(transfer, usb->devhdl, | |
723 | endpoint | LIBUSB_ENDPOINT_IN, buf, size, | |
724 | fx2lafw_receive_transfer, (void *)sdi, timeout); | |
725 | if ((ret = libusb_submit_transfer(transfer)) != 0) { | |
726 | sr_err("Failed to submit transfer: %s.", | |
727 | libusb_error_name(ret)); | |
728 | libusb_free_transfer(transfer); | |
729 | g_free(buf); | |
730 | fx2lafw_abort_acquisition(devc); | |
731 | return SR_ERR; | |
732 | } | |
733 | devc->transfers[i] = transfer; | |
734 | devc->submitted_transfers++; | |
735 | } | |
736 | ||
737 | if (devc->profile->dev_caps & DEV_CAPS_AX_ANALOG) | |
738 | devc->send_data_proc = mso_send_data_proc; | |
739 | else | |
740 | devc->send_data_proc = la_send_data_proc; | |
741 | ||
742 | std_session_send_df_header(sdi, LOG_PREFIX); | |
743 | ||
744 | return SR_OK; | |
745 | } | |
746 | ||
747 | static void LIBUSB_CALL dslogic_trigger_receive(struct libusb_transfer *transfer) | |
748 | { | |
749 | const struct sr_dev_inst *sdi; | |
750 | struct dslogic_trigger_pos *tpos; | |
751 | struct dev_context *devc; | |
752 | ||
753 | sdi = transfer->user_data; | |
754 | devc = sdi->priv; | |
755 | if (transfer->status == LIBUSB_TRANSFER_CANCELLED) { | |
756 | sr_dbg("Trigger transfer canceled."); | |
757 | /* Terminate session. */ | |
758 | std_session_send_df_end(sdi, LOG_PREFIX); | |
759 | usb_source_remove(sdi->session, devc->ctx); | |
760 | devc->num_transfers = 0; | |
761 | g_free(devc->transfers); | |
762 | if (devc->stl) { | |
763 | soft_trigger_logic_free(devc->stl); | |
764 | devc->stl = NULL; | |
765 | } | |
766 | } else if (transfer->status == LIBUSB_TRANSFER_COMPLETED | |
767 | && transfer->actual_length == sizeof(struct dslogic_trigger_pos)) { | |
768 | tpos = (struct dslogic_trigger_pos *)transfer->buffer; | |
769 | sr_dbg("tpos real_pos %.8x ram_saddr %.8x", tpos->real_pos, tpos->ram_saddr); | |
770 | g_free(tpos); | |
771 | start_transfers(sdi); | |
772 | } | |
773 | ||
774 | libusb_free_transfer(transfer); | |
775 | } | |
776 | ||
777 | static int dslogic_trigger_request(const struct sr_dev_inst *sdi) | |
778 | { | |
779 | struct sr_usb_dev_inst *usb; | |
780 | struct libusb_transfer *transfer; | |
781 | struct dslogic_trigger_pos *tpos; | |
782 | struct dev_context *devc; | |
783 | int ret; | |
784 | ||
785 | usb = sdi->conn; | |
786 | devc = sdi->priv; | |
787 | ||
788 | if ((ret = dslogic_stop_acquisition(sdi)) != SR_OK) | |
789 | return ret; | |
790 | ||
791 | if ((ret = dslogic_fpga_configure(sdi)) != SR_OK) | |
792 | return ret; | |
793 | ||
794 | if ((ret = dslogic_start_acquisition(sdi)) != SR_OK) | |
795 | return ret; | |
796 | ||
797 | sr_dbg("Getting trigger."); | |
798 | tpos = g_malloc(sizeof(struct dslogic_trigger_pos)); | |
799 | transfer = libusb_alloc_transfer(0); | |
800 | libusb_fill_bulk_transfer(transfer, usb->devhdl, 6 | LIBUSB_ENDPOINT_IN, | |
801 | (unsigned char *)tpos, sizeof(struct dslogic_trigger_pos), | |
802 | dslogic_trigger_receive, (void *)sdi, 0); | |
803 | if ((ret = libusb_submit_transfer(transfer)) < 0) { | |
804 | sr_err("Failed to request trigger: %s.", libusb_error_name(ret)); | |
805 | libusb_free_transfer(transfer); | |
806 | g_free(tpos); | |
807 | return SR_ERR; | |
808 | } | |
809 | ||
810 | devc->transfers = g_try_malloc0(sizeof(*devc->transfers)); | |
811 | if (!devc->transfers) { | |
812 | sr_err("USB trigger_pos transfer malloc failed."); | |
813 | return SR_ERR_MALLOC; | |
814 | } | |
815 | devc->num_transfers = 1; | |
816 | devc->submitted_transfers++; | |
817 | devc->transfers[0] = transfer; | |
818 | ||
819 | return ret; | |
820 | } | |
821 | ||
822 | static int configure_channels(const struct sr_dev_inst *sdi) | |
823 | { | |
824 | struct dev_context *devc; | |
825 | const GSList *l; | |
826 | int p; | |
827 | struct sr_channel *ch; | |
828 | ||
829 | devc = sdi->priv; | |
830 | ||
831 | g_slist_free(devc->enabled_analog_channels); | |
832 | devc->enabled_analog_channels = NULL; | |
833 | memset(devc->ch_enabled, 0, sizeof(devc->ch_enabled)); | |
834 | ||
835 | for (l = sdi->channels, p = 0; l; l = l->next, p++) { | |
836 | ch = l->data; | |
837 | if ((p <= NUM_CHANNELS) && (ch->type == SR_CHANNEL_ANALOG)) { | |
838 | devc->ch_enabled[p] = ch->enabled; | |
839 | devc->enabled_analog_channels = | |
840 | g_slist_append(devc->enabled_analog_channels, ch); | |
841 | } | |
842 | } | |
843 | ||
844 | return SR_OK; | |
845 | } | |
846 | ||
847 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
848 | { | |
849 | struct sr_dev_driver *di; | |
850 | struct drv_context *drvc; | |
851 | struct dev_context *devc; | |
852 | int timeout, ret; | |
853 | size_t size; | |
854 | ||
855 | if (sdi->status != SR_ST_ACTIVE) | |
856 | return SR_ERR_DEV_CLOSED; | |
857 | ||
858 | di = sdi->driver; | |
859 | drvc = di->context; | |
860 | devc = sdi->priv; | |
861 | ||
862 | devc->ctx = drvc->sr_ctx; | |
863 | devc->sent_samples = 0; | |
864 | devc->empty_transfer_count = 0; | |
865 | devc->acq_aborted = FALSE; | |
866 | ||
867 | if (configure_channels(sdi) != SR_OK) { | |
868 | sr_err("Failed to configure channels."); | |
869 | return SR_ERR; | |
870 | } | |
871 | ||
872 | timeout = fx2lafw_get_timeout(devc); | |
873 | usb_source_add(sdi->session, devc->ctx, timeout, receive_data, drvc); | |
874 | ||
875 | if (devc->dslogic) { | |
876 | dslogic_trigger_request(sdi); | |
877 | } else { | |
878 | size = fx2lafw_get_buffer_size(devc); | |
879 | /* Prepare for analog sampling. */ | |
880 | if (devc->profile->dev_caps & DEV_CAPS_AX_ANALOG) { | |
881 | /* We need a buffer half the size of a transfer. */ | |
882 | devc->logic_buffer = g_try_malloc(size / 2); | |
883 | devc->analog_buffer = g_try_malloc( | |
884 | sizeof(float) * size / 2); | |
885 | } | |
886 | start_transfers(sdi); | |
887 | if ((ret = fx2lafw_command_start_acquisition(sdi)) != SR_OK) { | |
888 | fx2lafw_abort_acquisition(devc); | |
889 | return ret; | |
890 | } | |
891 | } | |
892 | ||
893 | return SR_OK; | |
894 | } | |
895 | ||
896 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
897 | { | |
898 | struct dev_context *devc; | |
899 | ||
900 | devc = sdi->priv; | |
901 | ||
902 | if (devc->dslogic) | |
903 | dslogic_stop_acquisition(sdi); | |
904 | ||
905 | fx2lafw_abort_acquisition(sdi->priv); | |
906 | ||
907 | return SR_OK; | |
908 | } | |
909 | ||
910 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { | |
911 | .name = "fx2lafw", | |
912 | .longname = "fx2lafw (generic driver for FX2 based LAs)", | |
913 | .api_version = 1, | |
914 | .init = init, | |
915 | .cleanup = cleanup, | |
916 | .scan = scan, | |
917 | .dev_list = dev_list, | |
918 | .dev_clear = dev_clear, | |
919 | .config_get = config_get, | |
920 | .config_set = config_set, | |
921 | .config_list = config_list, | |
922 | .dev_open = dev_open, | |
923 | .dev_close = dev_close, | |
924 | .dev_acquisition_start = dev_acquisition_start, | |
925 | .dev_acquisition_stop = dev_acquisition_stop, | |
926 | .context = NULL, | |
927 | }; |