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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 | #include <math.h> | |
25 | ||
26 | static const struct fx2lafw_profile supported_fx2[] = { | |
27 | /* | |
28 | * CWAV USBee AX | |
29 | * EE Electronics ESLA201A | |
30 | * ARMFLY AX-Pro | |
31 | */ | |
32 | { 0x08a9, 0x0014, "CWAV", "USBee AX", NULL, | |
33 | "fx2lafw-cwav-usbeeax.fw", | |
34 | DEV_CAPS_AX_ANALOG, NULL, NULL}, | |
35 | /* | |
36 | * CWAV USBee DX | |
37 | * XZL-Studio DX | |
38 | */ | |
39 | { 0x08a9, 0x0015, "CWAV", "USBee DX", NULL, | |
40 | "fx2lafw-cwav-usbeedx.fw", | |
41 | DEV_CAPS_16BIT, NULL, NULL }, | |
42 | ||
43 | /* | |
44 | * CWAV USBee SX | |
45 | */ | |
46 | { 0x08a9, 0x0009, "CWAV", "USBee SX", NULL, | |
47 | "fx2lafw-cwav-usbeesx.fw", | |
48 | 0, NULL, NULL}, | |
49 | ||
50 | /* DreamSourceLab DSLogic (before FW upload) */ | |
51 | { 0x2a0e, 0x0001, "DreamSourceLab", "DSLogic", NULL, | |
52 | "dreamsourcelab-dslogic-fx2.fw", | |
53 | DEV_CAPS_16BIT, NULL, NULL}, | |
54 | /* DreamSourceLab DSLogic (after FW upload) */ | |
55 | { 0x2a0e, 0x0001, "DreamSourceLab", "DSLogic", NULL, | |
56 | "dreamsourcelab-dslogic-fx2.fw", | |
57 | DEV_CAPS_16BIT, "DreamSourceLab", "DSLogic"}, | |
58 | ||
59 | /* DreamSourceLab DSCope (before FW upload) */ | |
60 | { 0x2a0e, 0x0002, "DreamSourceLab", "DSCope", NULL, | |
61 | "dreamsourcelab-dscope-fx2.fw", | |
62 | DEV_CAPS_16BIT, NULL, NULL}, | |
63 | /* DreamSourceLab DSCope (after FW upload) */ | |
64 | { 0x2a0e, 0x0002, "DreamSourceLab", "DSCope", NULL, | |
65 | "dreamsourcelab-dscope-fx2.fw", | |
66 | DEV_CAPS_16BIT, "DreamSourceLab", "DSCope"}, | |
67 | ||
68 | /* DreamSourceLab DSLogic Pro (before FW upload) */ | |
69 | { 0x2a0e, 0x0003, "DreamSourceLab", "DSLogic Pro", NULL, | |
70 | "dreamsourcelab-dslogic-pro-fx2.fw", | |
71 | DEV_CAPS_16BIT, NULL, NULL}, | |
72 | /* DreamSourceLab DSLogic Pro (after FW upload) */ | |
73 | { 0x2a0e, 0x0003, "DreamSourceLab", "DSLogic Pro", NULL, | |
74 | "dreamsourcelab-dslogic-pro-fx2.fw", | |
75 | DEV_CAPS_16BIT, "DreamSourceLab", "DSLogic"}, | |
76 | ||
77 | /* | |
78 | * Saleae Logic | |
79 | * EE Electronics ESLA100 | |
80 | * Robomotic MiniLogic | |
81 | * Robomotic BugLogic 3 | |
82 | */ | |
83 | { 0x0925, 0x3881, "Saleae", "Logic", NULL, | |
84 | "fx2lafw-saleae-logic.fw", | |
85 | 0, NULL, NULL}, | |
86 | ||
87 | /* | |
88 | * Default Cypress FX2 without EEPROM, e.g.: | |
89 | * Lcsoft Mini Board | |
90 | * Braintechnology USB Interface V2.x | |
91 | */ | |
92 | { 0x04B4, 0x8613, "Cypress", "FX2", NULL, | |
93 | "fx2lafw-cypress-fx2.fw", | |
94 | DEV_CAPS_16BIT, NULL, NULL }, | |
95 | ||
96 | /* | |
97 | * Braintechnology USB-LPS | |
98 | */ | |
99 | { 0x16d0, 0x0498, "Braintechnology", "USB-LPS", NULL, | |
100 | "fx2lafw-braintechnology-usb-lps.fw", | |
101 | DEV_CAPS_16BIT, NULL, NULL }, | |
102 | ||
103 | /* | |
104 | * sigrok FX2 based 8-channel logic analyzer | |
105 | */ | |
106 | { 0x1d50, 0x608c, "sigrok", "FX2 LA (8ch)", NULL, | |
107 | "fx2lafw-sigrok-fx2-8ch.fw", | |
108 | 0, NULL, NULL}, | |
109 | ||
110 | /* | |
111 | * sigrok FX2 based 16-channel logic analyzer | |
112 | */ | |
113 | { 0x1d50, 0x608d, "sigrok", "FX2 LA (16ch)", NULL, | |
114 | "fx2lafw-sigrok-fx2-16ch.fw", | |
115 | DEV_CAPS_16BIT, NULL, NULL }, | |
116 | ||
117 | ALL_ZERO | |
118 | }; | |
119 | ||
120 | static const uint32_t drvopts[] = { | |
121 | SR_CONF_LOGIC_ANALYZER, | |
122 | }; | |
123 | ||
124 | static const uint32_t scanopts[] = { | |
125 | SR_CONF_CONN, | |
126 | }; | |
127 | ||
128 | static const uint32_t devopts[] = { | |
129 | SR_CONF_CONTINUOUS, | |
130 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, | |
131 | SR_CONF_CONN | SR_CONF_GET, | |
132 | SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
133 | SR_CONF_TRIGGER_MATCH | SR_CONF_LIST, | |
134 | SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET, | |
135 | }; | |
136 | ||
137 | static const uint32_t dslogic_devopts[] = { | |
138 | SR_CONF_CONTINUOUS | SR_CONF_SET, | |
139 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, | |
140 | SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
141 | SR_CONF_CONN | SR_CONF_GET, | |
142 | SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
143 | SR_CONF_TRIGGER_MATCH | SR_CONF_LIST, | |
144 | SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET, | |
145 | SR_CONF_EXTERNAL_CLOCK | SR_CONF_GET | SR_CONF_SET, | |
146 | }; | |
147 | ||
148 | static const int32_t soft_trigger_matches[] = { | |
149 | SR_TRIGGER_ZERO, | |
150 | SR_TRIGGER_ONE, | |
151 | SR_TRIGGER_RISING, | |
152 | SR_TRIGGER_FALLING, | |
153 | SR_TRIGGER_EDGE, | |
154 | }; | |
155 | ||
156 | static const struct { | |
157 | int range; | |
158 | gdouble low; | |
159 | gdouble high; | |
160 | } volt_thresholds[] = { | |
161 | { DS_VOLTAGE_RANGE_18_33_V, 0.7, 1.4 }, | |
162 | { DS_VOLTAGE_RANGE_5_V, 1.4, 3.6 }, | |
163 | }; | |
164 | ||
165 | static const uint64_t samplerates[] = { | |
166 | SR_KHZ(20), | |
167 | SR_KHZ(25), | |
168 | SR_KHZ(50), | |
169 | SR_KHZ(100), | |
170 | SR_KHZ(200), | |
171 | SR_KHZ(250), | |
172 | SR_KHZ(500), | |
173 | SR_MHZ(1), | |
174 | SR_MHZ(2), | |
175 | SR_MHZ(3), | |
176 | SR_MHZ(4), | |
177 | SR_MHZ(6), | |
178 | SR_MHZ(8), | |
179 | SR_MHZ(12), | |
180 | SR_MHZ(16), | |
181 | SR_MHZ(24), | |
182 | }; | |
183 | ||
184 | static const uint64_t dslogic_samplerates[] = { | |
185 | SR_KHZ(10), | |
186 | SR_KHZ(20), | |
187 | SR_KHZ(50), | |
188 | SR_KHZ(100), | |
189 | SR_KHZ(200), | |
190 | SR_KHZ(500), | |
191 | SR_MHZ(1), | |
192 | SR_MHZ(2), | |
193 | SR_MHZ(5), | |
194 | SR_MHZ(10), | |
195 | SR_MHZ(20), | |
196 | SR_MHZ(25), | |
197 | SR_MHZ(50), | |
198 | SR_MHZ(100), | |
199 | SR_MHZ(200), | |
200 | SR_MHZ(400), | |
201 | }; | |
202 | ||
203 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info; | |
204 | ||
205 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
206 | { | |
207 | struct drv_context *drvc; | |
208 | struct dev_context *devc; | |
209 | struct sr_dev_inst *sdi; | |
210 | struct sr_usb_dev_inst *usb; | |
211 | struct sr_channel *ch; | |
212 | struct sr_channel_group *cg; | |
213 | struct sr_config *src; | |
214 | const struct fx2lafw_profile *prof; | |
215 | GSList *l, *devices, *conn_devices; | |
216 | gboolean has_firmware; | |
217 | struct libusb_device_descriptor des; | |
218 | libusb_device **devlist; | |
219 | struct libusb_device_handle *hdl; | |
220 | int ret, i, j; | |
221 | int num_logic_channels = 0, num_analog_channels = 0; | |
222 | const char *conn; | |
223 | char manufacturer[64], product[64], serial_num[64], connection_id[64]; | |
224 | char channel_name[16]; | |
225 | ||
226 | drvc = di->context; | |
227 | ||
228 | conn = NULL; | |
229 | for (l = options; l; l = l->next) { | |
230 | src = l->data; | |
231 | switch (src->key) { | |
232 | case SR_CONF_CONN: | |
233 | conn = g_variant_get_string(src->data, NULL); | |
234 | break; | |
235 | } | |
236 | } | |
237 | if (conn) | |
238 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
239 | else | |
240 | conn_devices = NULL; | |
241 | ||
242 | /* Find all fx2lafw compatible devices and upload firmware to them. */ | |
243 | devices = NULL; | |
244 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); | |
245 | for (i = 0; devlist[i]; i++) { | |
246 | if (conn) { | |
247 | usb = NULL; | |
248 | for (l = conn_devices; l; l = l->next) { | |
249 | usb = l->data; | |
250 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
251 | && usb->address == libusb_get_device_address(devlist[i])) | |
252 | break; | |
253 | } | |
254 | if (!l) | |
255 | /* This device matched none of the ones that | |
256 | * matched the conn specification. */ | |
257 | continue; | |
258 | } | |
259 | ||
260 | libusb_get_device_descriptor( devlist[i], &des); | |
261 | ||
262 | if ((ret = libusb_open(devlist[i], &hdl)) < 0) | |
263 | continue; | |
264 | ||
265 | if (des.iManufacturer == 0) { | |
266 | manufacturer[0] = '\0'; | |
267 | } else if ((ret = libusb_get_string_descriptor_ascii(hdl, | |
268 | des.iManufacturer, (unsigned char *) manufacturer, | |
269 | sizeof(manufacturer))) < 0) { | |
270 | sr_warn("Failed to get manufacturer string descriptor: %s.", | |
271 | libusb_error_name(ret)); | |
272 | continue; | |
273 | } | |
274 | ||
275 | if (des.iProduct == 0) { | |
276 | product[0] = '\0'; | |
277 | } else if ((ret = libusb_get_string_descriptor_ascii(hdl, | |
278 | des.iProduct, (unsigned char *) product, | |
279 | sizeof(product))) < 0) { | |
280 | sr_warn("Failed to get product string descriptor: %s.", | |
281 | libusb_error_name(ret)); | |
282 | continue; | |
283 | } | |
284 | ||
285 | if (des.iSerialNumber == 0) { | |
286 | serial_num[0] = '\0'; | |
287 | } else if ((ret = libusb_get_string_descriptor_ascii(hdl, | |
288 | des.iSerialNumber, (unsigned char *) serial_num, | |
289 | sizeof(serial_num))) < 0) { | |
290 | sr_warn("Failed to get serial number string descriptor: %s.", | |
291 | libusb_error_name(ret)); | |
292 | continue; | |
293 | } | |
294 | ||
295 | usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)); | |
296 | ||
297 | libusb_close(hdl); | |
298 | ||
299 | prof = NULL; | |
300 | for (j = 0; supported_fx2[j].vid; j++) { | |
301 | if (des.idVendor == supported_fx2[j].vid && | |
302 | des.idProduct == supported_fx2[j].pid && | |
303 | (!supported_fx2[j].usb_manufacturer || | |
304 | !strcmp(manufacturer, supported_fx2[j].usb_manufacturer)) && | |
305 | (!supported_fx2[j].usb_manufacturer || | |
306 | !strcmp(product, supported_fx2[j].usb_product))) { | |
307 | prof = &supported_fx2[j]; | |
308 | break; | |
309 | } | |
310 | } | |
311 | ||
312 | /* Skip if the device was not found. */ | |
313 | if (!prof) | |
314 | continue; | |
315 | ||
316 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
317 | sdi->status = SR_ST_INITIALIZING; | |
318 | sdi->vendor = g_strdup(prof->vendor); | |
319 | sdi->model = g_strdup(prof->model); | |
320 | sdi->version = g_strdup(prof->model_version); | |
321 | sdi->driver = di; | |
322 | sdi->serial_num = g_strdup(serial_num); | |
323 | sdi->connection_id = g_strdup(connection_id); | |
324 | ||
325 | /* Fill in channellist according to this device's profile. */ | |
326 | num_logic_channels = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8; | |
327 | num_analog_channels = prof->dev_caps & DEV_CAPS_AX_ANALOG ? 1 : 0; | |
328 | ||
329 | /* Logic channels, all in one channel group. */ | |
330 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
331 | cg->name = g_strdup("Logic"); | |
332 | for (j = 0; j < num_logic_channels; j++) { | |
333 | sprintf(channel_name, "D%d", j); | |
334 | ch = sr_channel_new(sdi, j, SR_CHANNEL_LOGIC, | |
335 | TRUE, channel_name); | |
336 | cg->channels = g_slist_append(cg->channels, ch); | |
337 | } | |
338 | sdi->channel_groups = g_slist_append(NULL, cg); | |
339 | ||
340 | for (j = 0; j < num_analog_channels; j++) { | |
341 | snprintf(channel_name, 16, "A%d", j); | |
342 | ch = sr_channel_new(sdi, j + num_logic_channels, | |
343 | SR_CHANNEL_ANALOG, TRUE, channel_name); | |
344 | ||
345 | /* Every analog channel gets its own channel group. */ | |
346 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
347 | cg->name = g_strdup(channel_name); | |
348 | cg->channels = g_slist_append(NULL, ch); | |
349 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
350 | } | |
351 | ||
352 | devc = fx2lafw_dev_new(); | |
353 | devc->profile = prof; | |
354 | if ((prof->dev_caps & DEV_CAPS_16BIT) || (prof->dev_caps & DEV_CAPS_AX_ANALOG)) | |
355 | devc->sample_wide = TRUE; | |
356 | sdi->priv = devc; | |
357 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
358 | devices = g_slist_append(devices, sdi); | |
359 | ||
360 | if (!strcmp(prof->model, "DSLogic") | |
361 | || !strcmp(prof->model, "DSLogic Pro") | |
362 | || !strcmp(prof->model, "DSCope")) { | |
363 | devc->dslogic = TRUE; | |
364 | devc->samplerates = dslogic_samplerates; | |
365 | devc->num_samplerates = ARRAY_SIZE(dslogic_samplerates); | |
366 | has_firmware = match_manuf_prod(devlist[i], "DreamSourceLab", "DSLogic") | |
367 | || match_manuf_prod(devlist[i], "DreamSourceLab", "DSCope"); | |
368 | } else { | |
369 | devc->dslogic = FALSE; | |
370 | devc->samplerates = samplerates; | |
371 | devc->num_samplerates = ARRAY_SIZE(samplerates); | |
372 | has_firmware = match_manuf_prod(devlist[i], | |
373 | "sigrok", "fx2lafw"); | |
374 | } | |
375 | ||
376 | if (has_firmware) { | |
377 | /* Already has the firmware, so fix the new address. */ | |
378 | sr_dbg("Found an fx2lafw device."); | |
379 | sdi->status = SR_ST_INACTIVE; | |
380 | sdi->inst_type = SR_INST_USB; | |
381 | sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]), | |
382 | libusb_get_device_address(devlist[i]), NULL); | |
383 | } else { | |
384 | if (ezusb_upload_firmware(drvc->sr_ctx, devlist[i], | |
385 | USB_CONFIGURATION, prof->firmware) == SR_OK) | |
386 | /* Store when this device's FW was updated. */ | |
387 | devc->fw_updated = g_get_monotonic_time(); | |
388 | else | |
389 | sr_err("Firmware upload failed for " | |
390 | "device %d.%d (logical).", | |
391 | libusb_get_bus_number(devlist[i]), | |
392 | libusb_get_device_address(devlist[i])); | |
393 | sdi->inst_type = SR_INST_USB; | |
394 | sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]), | |
395 | 0xff, NULL); | |
396 | } | |
397 | } | |
398 | libusb_free_device_list(devlist, 1); | |
399 | g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free); | |
400 | ||
401 | return devices; | |
402 | } | |
403 | ||
404 | static void clear_dev_context(void *priv) | |
405 | { | |
406 | struct dev_context *devc; | |
407 | ||
408 | devc = priv; | |
409 | g_slist_free(devc->enabled_analog_channels); | |
410 | g_free(devc); | |
411 | } | |
412 | ||
413 | static int dev_clear(const struct sr_dev_driver *di) | |
414 | { | |
415 | return std_dev_clear(di, clear_dev_context); | |
416 | } | |
417 | ||
418 | static int dev_open(struct sr_dev_inst *sdi) | |
419 | { | |
420 | struct sr_dev_driver *di = sdi->driver; | |
421 | struct sr_usb_dev_inst *usb; | |
422 | struct dev_context *devc; | |
423 | const char *fpga_firmware = NULL; | |
424 | int ret; | |
425 | int64_t timediff_us, timediff_ms; | |
426 | ||
427 | devc = sdi->priv; | |
428 | usb = sdi->conn; | |
429 | ||
430 | /* | |
431 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS | |
432 | * milliseconds for the FX2 to renumerate. | |
433 | */ | |
434 | ret = SR_ERR; | |
435 | if (devc->fw_updated > 0) { | |
436 | sr_info("Waiting for device to reset."); | |
437 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ | |
438 | g_usleep(300 * 1000); | |
439 | timediff_ms = 0; | |
440 | while (timediff_ms < MAX_RENUM_DELAY_MS) { | |
441 | if ((ret = fx2lafw_dev_open(sdi, di)) == SR_OK) | |
442 | break; | |
443 | g_usleep(100 * 1000); | |
444 | ||
445 | timediff_us = g_get_monotonic_time() - devc->fw_updated; | |
446 | timediff_ms = timediff_us / 1000; | |
447 | sr_spew("Waited %" PRIi64 "ms.", timediff_ms); | |
448 | } | |
449 | if (ret != SR_OK) { | |
450 | sr_err("Device failed to renumerate."); | |
451 | return SR_ERR; | |
452 | } | |
453 | sr_info("Device came back after %" PRIi64 "ms.", timediff_ms); | |
454 | } else { | |
455 | sr_info("Firmware upload was not needed."); | |
456 | ret = fx2lafw_dev_open(sdi, di); | |
457 | } | |
458 | ||
459 | if (ret != SR_OK) { | |
460 | sr_err("Unable to open device."); | |
461 | return SR_ERR; | |
462 | } | |
463 | ||
464 | ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); | |
465 | if (ret != 0) { | |
466 | switch (ret) { | |
467 | case LIBUSB_ERROR_BUSY: | |
468 | sr_err("Unable to claim USB interface. Another " | |
469 | "program or driver has already claimed it."); | |
470 | break; | |
471 | case LIBUSB_ERROR_NO_DEVICE: | |
472 | sr_err("Device has been disconnected."); | |
473 | break; | |
474 | default: | |
475 | sr_err("Unable to claim interface: %s.", | |
476 | libusb_error_name(ret)); | |
477 | break; | |
478 | } | |
479 | ||
480 | return SR_ERR; | |
481 | } | |
482 | ||
483 | if (devc->dslogic) { | |
484 | if (!strcmp(devc->profile->model, "DSLogic")) { | |
485 | if (devc->dslogic_voltage_threshold == DS_VOLTAGE_RANGE_18_33_V) | |
486 | fpga_firmware = DSLOGIC_FPGA_FIRMWARE_3V3; | |
487 | else | |
488 | fpga_firmware = DSLOGIC_FPGA_FIRMWARE_5V; | |
489 | } else if (!strcmp(devc->profile->model, "DSLogic Pro")){ | |
490 | fpga_firmware = DSLOGIC_PRO_FPGA_FIRMWARE; | |
491 | } else if (!strcmp(devc->profile->model, "DSCope")) { | |
492 | fpga_firmware = DSCOPE_FPGA_FIRMWARE; | |
493 | } | |
494 | ||
495 | if ((ret = dslogic_fpga_firmware_upload(sdi, fpga_firmware)) != SR_OK) | |
496 | return ret; | |
497 | } | |
498 | if (devc->cur_samplerate == 0) { | |
499 | /* Samplerate hasn't been set; default to the slowest one. */ | |
500 | devc->cur_samplerate = devc->samplerates[0]; | |
501 | } | |
502 | ||
503 | return SR_OK; | |
504 | } | |
505 | ||
506 | static int dev_close(struct sr_dev_inst *sdi) | |
507 | { | |
508 | struct sr_usb_dev_inst *usb; | |
509 | ||
510 | usb = sdi->conn; | |
511 | if (!usb->devhdl) | |
512 | return SR_ERR; | |
513 | ||
514 | sr_info("fx2lafw: Closing device on %d.%d (logical) / %s (physical) interface %d.", | |
515 | usb->bus, usb->address, sdi->connection_id, USB_INTERFACE); | |
516 | libusb_release_interface(usb->devhdl, USB_INTERFACE); | |
517 | libusb_close(usb->devhdl); | |
518 | usb->devhdl = NULL; | |
519 | sdi->status = SR_ST_INACTIVE; | |
520 | ||
521 | return SR_OK; | |
522 | } | |
523 | ||
524 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
525 | const struct sr_channel_group *cg) | |
526 | { | |
527 | struct dev_context *devc; | |
528 | struct sr_usb_dev_inst *usb; | |
529 | GVariant *range[2]; | |
530 | unsigned int i; | |
531 | char str[128]; | |
532 | ||
533 | (void)cg; | |
534 | ||
535 | if (!sdi) | |
536 | return SR_ERR_ARG; | |
537 | ||
538 | devc = sdi->priv; | |
539 | ||
540 | switch (key) { | |
541 | case SR_CONF_CONN: | |
542 | if (!sdi->conn) | |
543 | return SR_ERR_ARG; | |
544 | usb = sdi->conn; | |
545 | if (usb->address == 255) | |
546 | /* Device still needs to re-enumerate after firmware | |
547 | * upload, so we don't know its (future) address. */ | |
548 | return SR_ERR; | |
549 | snprintf(str, 128, "%d.%d", usb->bus, usb->address); | |
550 | *data = g_variant_new_string(str); | |
551 | break; | |
552 | case SR_CONF_VOLTAGE_THRESHOLD: | |
553 | for (i = 0; i < ARRAY_SIZE(volt_thresholds); i++) { | |
554 | if (volt_thresholds[i].range != devc->dslogic_voltage_threshold) | |
555 | continue; | |
556 | range[0] = g_variant_new_double(volt_thresholds[i].low); | |
557 | range[1] = g_variant_new_double(volt_thresholds[i].high); | |
558 | *data = g_variant_new_tuple(range, 2); | |
559 | break; | |
560 | } | |
561 | break; | |
562 | case SR_CONF_LIMIT_SAMPLES: | |
563 | *data = g_variant_new_uint64(devc->limit_samples); | |
564 | break; | |
565 | case SR_CONF_SAMPLERATE: | |
566 | *data = g_variant_new_uint64(devc->cur_samplerate); | |
567 | break; | |
568 | case SR_CONF_CAPTURE_RATIO: | |
569 | *data = g_variant_new_uint64(devc->capture_ratio); | |
570 | break; | |
571 | case SR_CONF_EXTERNAL_CLOCK: | |
572 | *data = g_variant_new_boolean(devc->dslogic_external_clock); | |
573 | break; | |
574 | default: | |
575 | return SR_ERR_NA; | |
576 | } | |
577 | ||
578 | return SR_OK; | |
579 | } | |
580 | ||
581 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
582 | const struct sr_channel_group *cg) | |
583 | { | |
584 | struct dev_context *devc; | |
585 | uint64_t arg; | |
586 | int i, ret; | |
587 | gdouble low, high; | |
588 | ||
589 | (void)cg; | |
590 | ||
591 | if (!sdi) | |
592 | return SR_ERR_ARG; | |
593 | ||
594 | if (sdi->status != SR_ST_ACTIVE) | |
595 | return SR_ERR; | |
596 | ||
597 | devc = sdi->priv; | |
598 | ||
599 | ret = SR_OK; | |
600 | ||
601 | switch (key) { | |
602 | case SR_CONF_SAMPLERATE: | |
603 | arg = g_variant_get_uint64(data); | |
604 | for (i = 0; i < devc->num_samplerates; i++) { | |
605 | if (devc->samplerates[i] == arg) { | |
606 | devc->cur_samplerate = arg; | |
607 | break; | |
608 | } | |
609 | } | |
610 | if (i == devc->num_samplerates) | |
611 | ret = SR_ERR_ARG; | |
612 | break; | |
613 | case SR_CONF_LIMIT_SAMPLES: | |
614 | devc->limit_samples = g_variant_get_uint64(data); | |
615 | break; | |
616 | case SR_CONF_CAPTURE_RATIO: | |
617 | devc->capture_ratio = g_variant_get_uint64(data); | |
618 | ret = (devc->capture_ratio > 100) ? SR_ERR : SR_OK; | |
619 | break; | |
620 | case SR_CONF_VOLTAGE_THRESHOLD: | |
621 | g_variant_get(data, "(dd)", &low, &high); | |
622 | ret = SR_ERR_ARG; | |
623 | for (i = 0; (unsigned int)i < ARRAY_SIZE(volt_thresholds); i++) { | |
624 | if (fabs(volt_thresholds[i].low - low) < 0.1 && | |
625 | fabs(volt_thresholds[i].high - high) < 0.1) { | |
626 | devc->dslogic_voltage_threshold = volt_thresholds[i].range; | |
627 | break; | |
628 | } | |
629 | } | |
630 | if (!strcmp(devc->profile->model, "DSLogic")) { | |
631 | if (devc->dslogic_voltage_threshold == DS_VOLTAGE_RANGE_5_V) | |
632 | ret = dslogic_fpga_firmware_upload(sdi, DSLOGIC_FPGA_FIRMWARE_5V); | |
633 | else | |
634 | ret = dslogic_fpga_firmware_upload(sdi, DSLOGIC_FPGA_FIRMWARE_3V3); | |
635 | }else if (!strcmp(devc->profile->model, "DSLogic Pro")){ | |
636 | ret = dslogic_fpga_firmware_upload(sdi, DSLOGIC_PRO_FPGA_FIRMWARE); | |
637 | } | |
638 | break; | |
639 | case SR_CONF_EXTERNAL_CLOCK: | |
640 | devc->dslogic_external_clock = g_variant_get_boolean(data); | |
641 | break; | |
642 | default: | |
643 | ret = SR_ERR_NA; | |
644 | } | |
645 | ||
646 | return ret; | |
647 | } | |
648 | ||
649 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
650 | const struct sr_channel_group *cg) | |
651 | { | |
652 | struct dev_context *devc; | |
653 | GVariant *gvar, *range[2]; | |
654 | GVariantBuilder gvb; | |
655 | unsigned int i; | |
656 | ||
657 | (void)cg; | |
658 | ||
659 | switch (key) { | |
660 | case SR_CONF_SCAN_OPTIONS: | |
661 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
662 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
663 | break; | |
664 | case SR_CONF_DEVICE_OPTIONS: | |
665 | if (!sdi) | |
666 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
667 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); | |
668 | else{ | |
669 | devc = sdi->priv; | |
670 | if (!devc->dslogic) | |
671 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
672 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); | |
673 | else | |
674 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
675 | dslogic_devopts, ARRAY_SIZE(dslogic_devopts), sizeof(uint32_t)); | |
676 | } | |
677 | break; | |
678 | case SR_CONF_VOLTAGE_THRESHOLD: | |
679 | if (!sdi->priv) return SR_ERR_ARG; | |
680 | devc = sdi->priv; | |
681 | if (!devc->dslogic) return SR_ERR_NA; | |
682 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
683 | for (i = 0; i < ARRAY_SIZE(volt_thresholds); i++) { | |
684 | range[0] = g_variant_new_double(volt_thresholds[i].low); | |
685 | range[1] = g_variant_new_double(volt_thresholds[i].high); | |
686 | gvar = g_variant_new_tuple(range, 2); | |
687 | g_variant_builder_add_value(&gvb, gvar); | |
688 | } | |
689 | *data = g_variant_builder_end(&gvb); | |
690 | break; | |
691 | case SR_CONF_SAMPLERATE: | |
692 | if (!sdi->priv) | |
693 | return SR_ERR_ARG; | |
694 | devc = sdi->priv; | |
695 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); | |
696 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), devc->samplerates, | |
697 | devc->num_samplerates, sizeof(uint64_t)); | |
698 | g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar); | |
699 | *data = g_variant_builder_end(&gvb); | |
700 | break; | |
701 | case SR_CONF_TRIGGER_MATCH: | |
702 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
703 | soft_trigger_matches, ARRAY_SIZE(soft_trigger_matches), | |
704 | sizeof(int32_t)); | |
705 | break; | |
706 | default: | |
707 | return SR_ERR_NA; | |
708 | } | |
709 | ||
710 | return SR_OK; | |
711 | } | |
712 | ||
713 | static int receive_data(int fd, int revents, void *cb_data) | |
714 | { | |
715 | struct timeval tv; | |
716 | struct drv_context *drvc; | |
717 | ||
718 | (void)fd; | |
719 | (void)revents; | |
720 | ||
721 | drvc = (struct drv_context *)cb_data; | |
722 | ||
723 | tv.tv_sec = tv.tv_usec = 0; | |
724 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); | |
725 | ||
726 | return TRUE; | |
727 | } | |
728 | ||
729 | static int start_transfers(const struct sr_dev_inst *sdi) | |
730 | { | |
731 | struct dev_context *devc; | |
732 | struct sr_usb_dev_inst *usb; | |
733 | struct sr_trigger *trigger; | |
734 | struct libusb_transfer *transfer; | |
735 | unsigned int i, num_transfers; | |
736 | int endpoint, timeout, ret; | |
737 | unsigned char *buf; | |
738 | size_t size; | |
739 | ||
740 | devc = sdi->priv; | |
741 | usb = sdi->conn; | |
742 | ||
743 | devc->sent_samples = 0; | |
744 | devc->acq_aborted = FALSE; | |
745 | devc->empty_transfer_count = 0; | |
746 | ||
747 | if ((trigger = sr_session_trigger_get(sdi->session)) && !devc->dslogic) { | |
748 | int pre_trigger_samples = 0; | |
749 | if (devc->limit_samples > 0) | |
750 | pre_trigger_samples = devc->capture_ratio * devc->limit_samples/100; | |
751 | devc->stl = soft_trigger_logic_new(sdi, trigger, pre_trigger_samples); | |
752 | if (!devc->stl) | |
753 | return SR_ERR_MALLOC; | |
754 | devc->trigger_fired = FALSE; | |
755 | } else | |
756 | devc->trigger_fired = TRUE; | |
757 | ||
758 | num_transfers = fx2lafw_get_number_of_transfers(devc); | |
759 | size = fx2lafw_get_buffer_size(devc); | |
760 | devc->submitted_transfers = 0; | |
761 | ||
762 | devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers); | |
763 | if (!devc->transfers) { | |
764 | sr_err("USB transfers malloc failed."); | |
765 | return SR_ERR_MALLOC; | |
766 | } | |
767 | ||
768 | timeout = fx2lafw_get_timeout(devc); | |
769 | endpoint = devc->dslogic ? 6 : 2; | |
770 | devc->num_transfers = num_transfers; | |
771 | for (i = 0; i < num_transfers; i++) { | |
772 | if (!(buf = g_try_malloc(size))) { | |
773 | sr_err("USB transfer buffer malloc failed."); | |
774 | return SR_ERR_MALLOC; | |
775 | } | |
776 | transfer = libusb_alloc_transfer(0); | |
777 | libusb_fill_bulk_transfer(transfer, usb->devhdl, | |
778 | endpoint | LIBUSB_ENDPOINT_IN, buf, size, | |
779 | fx2lafw_receive_transfer, (void *)sdi, timeout); | |
780 | if ((ret = libusb_submit_transfer(transfer)) != 0) { | |
781 | sr_err("Failed to submit transfer: %s.", | |
782 | libusb_error_name(ret)); | |
783 | libusb_free_transfer(transfer); | |
784 | g_free(buf); | |
785 | fx2lafw_abort_acquisition(devc); | |
786 | return SR_ERR; | |
787 | } | |
788 | devc->transfers[i] = transfer; | |
789 | devc->submitted_transfers++; | |
790 | } | |
791 | ||
792 | if (devc->profile->dev_caps & DEV_CAPS_AX_ANALOG) | |
793 | devc->send_data_proc = mso_send_data_proc; | |
794 | else | |
795 | devc->send_data_proc = la_send_data_proc; | |
796 | ||
797 | std_session_send_df_header(sdi, LOG_PREFIX); | |
798 | ||
799 | return SR_OK; | |
800 | } | |
801 | ||
802 | static void LIBUSB_CALL dslogic_trigger_receive(struct libusb_transfer *transfer) | |
803 | { | |
804 | const struct sr_dev_inst *sdi; | |
805 | struct dslogic_trigger_pos *tpos; | |
806 | struct dev_context *devc; | |
807 | ||
808 | sdi = transfer->user_data; | |
809 | devc = sdi->priv; | |
810 | if (transfer->status == LIBUSB_TRANSFER_CANCELLED) { | |
811 | sr_dbg("Trigger transfer canceled."); | |
812 | /* Terminate session. */ | |
813 | std_session_send_df_end(sdi, LOG_PREFIX); | |
814 | usb_source_remove(sdi->session, devc->ctx); | |
815 | devc->num_transfers = 0; | |
816 | g_free(devc->transfers); | |
817 | if (devc->stl) { | |
818 | soft_trigger_logic_free(devc->stl); | |
819 | devc->stl = NULL; | |
820 | } | |
821 | } else if (transfer->status == LIBUSB_TRANSFER_COMPLETED | |
822 | && transfer->actual_length == sizeof(struct dslogic_trigger_pos)) { | |
823 | tpos = (struct dslogic_trigger_pos *)transfer->buffer; | |
824 | sr_info("tpos real_pos %d ram_saddr %d cnt %d", tpos->real_pos, tpos->ram_saddr, tpos->remain_cnt); | |
825 | devc->trigger_pos = tpos->real_pos; | |
826 | g_free(tpos); | |
827 | start_transfers(sdi); | |
828 | } | |
829 | libusb_free_transfer(transfer); | |
830 | } | |
831 | ||
832 | static int dslogic_trigger_request(const struct sr_dev_inst *sdi) | |
833 | { | |
834 | struct sr_usb_dev_inst *usb; | |
835 | struct libusb_transfer *transfer; | |
836 | struct dslogic_trigger_pos *tpos; | |
837 | struct dev_context *devc; | |
838 | int ret; | |
839 | ||
840 | usb = sdi->conn; | |
841 | devc = sdi->priv; | |
842 | ||
843 | if ((ret = dslogic_stop_acquisition(sdi)) != SR_OK) | |
844 | return ret; | |
845 | ||
846 | if ((ret = dslogic_fpga_configure(sdi)) != SR_OK) | |
847 | return ret; | |
848 | ||
849 | /* if this is a dslogic pro, set the voltage threshold */ | |
850 | if (!strcmp(devc->profile->model, "DSLogic Pro")){ | |
851 | if(devc->dslogic_voltage_threshold == DS_VOLTAGE_RANGE_18_33_V){ | |
852 | dslogic_set_vth(sdi, 1.4); | |
853 | }else{ | |
854 | dslogic_set_vth(sdi, 3.3); | |
855 | } | |
856 | } | |
857 | ||
858 | if ((ret = dslogic_start_acquisition(sdi)) != SR_OK) | |
859 | return ret; | |
860 | ||
861 | sr_dbg("Getting trigger."); | |
862 | tpos = g_malloc(sizeof(struct dslogic_trigger_pos)); | |
863 | transfer = libusb_alloc_transfer(0); | |
864 | libusb_fill_bulk_transfer(transfer, usb->devhdl, 6 | LIBUSB_ENDPOINT_IN, | |
865 | (unsigned char *)tpos, sizeof(struct dslogic_trigger_pos), | |
866 | dslogic_trigger_receive, (void *)sdi, 0); | |
867 | if ((ret = libusb_submit_transfer(transfer)) < 0) { | |
868 | sr_err("Failed to request trigger: %s.", libusb_error_name(ret)); | |
869 | libusb_free_transfer(transfer); | |
870 | g_free(tpos); | |
871 | return SR_ERR; | |
872 | } | |
873 | ||
874 | devc->transfers = g_try_malloc0(sizeof(*devc->transfers)); | |
875 | if (!devc->transfers) { | |
876 | sr_err("USB trigger_pos transfer malloc failed."); | |
877 | return SR_ERR_MALLOC; | |
878 | } | |
879 | devc->num_transfers = 1; | |
880 | devc->submitted_transfers++; | |
881 | devc->transfers[0] = transfer; | |
882 | ||
883 | return ret; | |
884 | } | |
885 | ||
886 | static int configure_channels(const struct sr_dev_inst *sdi) | |
887 | { | |
888 | struct dev_context *devc; | |
889 | const GSList *l; | |
890 | int p; | |
891 | struct sr_channel *ch; | |
892 | ||
893 | devc = sdi->priv; | |
894 | ||
895 | g_slist_free(devc->enabled_analog_channels); | |
896 | devc->enabled_analog_channels = NULL; | |
897 | memset(devc->ch_enabled, 0, sizeof(devc->ch_enabled)); | |
898 | ||
899 | for (l = sdi->channels, p = 0; l; l = l->next, p++) { | |
900 | ch = l->data; | |
901 | if ((p <= NUM_CHANNELS) && (ch->type == SR_CHANNEL_ANALOG)) { | |
902 | devc->ch_enabled[p] = ch->enabled; | |
903 | devc->enabled_analog_channels = | |
904 | g_slist_append(devc->enabled_analog_channels, ch); | |
905 | } | |
906 | } | |
907 | ||
908 | return SR_OK; | |
909 | } | |
910 | ||
911 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
912 | { | |
913 | struct sr_dev_driver *di; | |
914 | struct drv_context *drvc; | |
915 | struct dev_context *devc; | |
916 | int timeout, ret; | |
917 | size_t size; | |
918 | ||
919 | if (sdi->status != SR_ST_ACTIVE) | |
920 | return SR_ERR_DEV_CLOSED; | |
921 | ||
922 | di = sdi->driver; | |
923 | drvc = di->context; | |
924 | devc = sdi->priv; | |
925 | ||
926 | devc->ctx = drvc->sr_ctx; | |
927 | devc->sent_samples = 0; | |
928 | devc->empty_transfer_count = 0; | |
929 | devc->acq_aborted = FALSE; | |
930 | ||
931 | if (configure_channels(sdi) != SR_OK) { | |
932 | sr_err("Failed to configure channels."); | |
933 | return SR_ERR; | |
934 | } | |
935 | ||
936 | timeout = fx2lafw_get_timeout(devc); | |
937 | usb_source_add(sdi->session, devc->ctx, timeout, receive_data, drvc); | |
938 | ||
939 | if (devc->dslogic) { | |
940 | dslogic_trigger_request(sdi); | |
941 | } else { | |
942 | size = fx2lafw_get_buffer_size(devc); | |
943 | /* Prepare for analog sampling. */ | |
944 | if (devc->profile->dev_caps & DEV_CAPS_AX_ANALOG) { | |
945 | /* We need a buffer half the size of a transfer. */ | |
946 | devc->logic_buffer = g_try_malloc(size / 2); | |
947 | devc->analog_buffer = g_try_malloc( | |
948 | sizeof(float) * size / 2); | |
949 | } | |
950 | start_transfers(sdi); | |
951 | if ((ret = fx2lafw_command_start_acquisition(sdi)) != SR_OK) { | |
952 | fx2lafw_abort_acquisition(devc); | |
953 | return ret; | |
954 | } | |
955 | } | |
956 | ||
957 | return SR_OK; | |
958 | } | |
959 | ||
960 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
961 | { | |
962 | struct dev_context *devc; | |
963 | ||
964 | devc = sdi->priv; | |
965 | ||
966 | if (devc->dslogic) | |
967 | dslogic_stop_acquisition(sdi); | |
968 | ||
969 | fx2lafw_abort_acquisition(sdi->priv); | |
970 | ||
971 | return SR_OK; | |
972 | } | |
973 | ||
974 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { | |
975 | .name = "fx2lafw", | |
976 | .longname = "fx2lafw (generic driver for FX2 based LAs)", | |
977 | .api_version = 1, | |
978 | .init = std_init, | |
979 | .cleanup = std_cleanup, | |
980 | .scan = scan, | |
981 | .dev_list = std_dev_list, | |
982 | .dev_clear = dev_clear, | |
983 | .config_get = config_get, | |
984 | .config_set = config_set, | |
985 | .config_list = config_list, | |
986 | .dev_open = dev_open, | |
987 | .dev_close = dev_close, | |
988 | .dev_acquisition_start = dev_acquisition_start, | |
989 | .dev_acquisition_stop = dev_acquisition_stop, | |
990 | .context = NULL, | |
991 | }; |