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Commit | Line | Data |
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f302a082 JH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
6b73d9a5 | 22 | #include <string.h> |
8b35f474 | 23 | #include <inttypes.h> |
187b3582 JH |
24 | #include <glib.h> |
25 | #include <libusb.h> | |
f302a082 JH |
26 | #include "config.h" |
27 | #include "sigrok.h" | |
28 | #include "sigrok-internal.h" | |
29 | #include "fx2lafw.h" | |
f6582cd7 | 30 | #include "command.h" |
f302a082 | 31 | |
4679d14d | 32 | static const struct fx2lafw_profile supported_fx2[] = { |
7ae2f9d5 UH |
33 | /* |
34 | * CWAV USBee AX | |
17b6c75a JH |
35 | * EE Electronics ESLA201A |
36 | */ | |
f8b07fc6 JH |
37 | { 0x08a9, 0x0014, "CWAV", "USBee AX", NULL, |
38 | FIRMWARE_DIR "/fx2lafw-cwav-usbeeax.fw", 8 }, | |
93a9f3da | 39 | |
7ae2f9d5 UH |
40 | /* |
41 | * CWAV USBee SX | |
4502e869 JH |
42 | */ |
43 | { 0x08a9, 0x0009, "CWAV", "USBee SX", NULL, | |
44 | FIRMWARE_DIR "/fx2lafw-cwav-usbeesx.fw", 8 }, | |
45 | ||
7ae2f9d5 UH |
46 | /* |
47 | * Saleae Logic | |
93a9f3da JH |
48 | * EE Electronics ESLA100 |
49 | * Robomotic MiniLogic | |
1663e470 | 50 | * Robomotic BugLogic 3 |
93a9f3da JH |
51 | */ |
52 | { 0x0925, 0x3881, "Saleae", "Logic", NULL, | |
53 | FIRMWARE_DIR "/fx2lafw-saleae-logic.fw", 8 }, | |
54 | ||
f488762a | 55 | /* |
1663e470 UH |
56 | * Default Cypress FX2 without EEPROM, e.g.: |
57 | * Lcsoft Mini Board | |
58 | * Braintechnology USB Interface V2.x | |
f488762a JH |
59 | */ |
60 | { 0x04B4, 0x8613, "Cypress", "FX2", NULL, | |
61 | FIRMWARE_DIR "/fx2lafw-cypress-fx2.fw", 8 }, | |
62 | ||
1663e470 UH |
63 | /* |
64 | * Braintechnology USB-LPS | |
65 | */ | |
66 | { 0x16d0, 0x0498, "Braintechnology", "USB-LPS", NULL, | |
67 | FIRMWARE_DIR "/fx2lafw-braintechnology-usb-lps.fw", 8 }, | |
68 | ||
f8b07fc6 | 69 | { 0, 0, 0, 0, 0, 0, 0 } |
187b3582 JH |
70 | }; |
71 | ||
da686568 | 72 | static int hwcaps[] = { |
8b35f474 JH |
73 | SR_HWCAP_LOGIC_ANALYZER, |
74 | SR_HWCAP_SAMPLERATE, | |
75 | ||
76 | /* These are really implemented in the driver, not the hardware. */ | |
77 | SR_HWCAP_LIMIT_SAMPLES, | |
78 | SR_HWCAP_CONTINUOUS, | |
772a0e61 | 79 | 0, |
8b35f474 JH |
80 | }; |
81 | ||
da686568 UH |
82 | /* |
83 | * TODO: Different probe_names[] for each supported device. | |
84 | */ | |
85 | static const char *probe_names[] = { | |
7ae2f9d5 UH |
86 | "0", |
87 | "1", | |
88 | "2", | |
89 | "3", | |
90 | "4", | |
91 | "5", | |
92 | "6", | |
93 | "7", | |
772a0e61 | 94 | NULL, |
8b35f474 JH |
95 | }; |
96 | ||
590b9f9a | 97 | static uint64_t supported_samplerates[] = { |
9304d576 JH |
98 | SR_KHZ(200), |
99 | SR_KHZ(250), | |
100 | SR_KHZ(500), | |
8b35f474 JH |
101 | SR_MHZ(1), |
102 | SR_MHZ(2), | |
103 | SR_MHZ(3), | |
104 | SR_MHZ(4), | |
105 | SR_MHZ(6), | |
106 | SR_MHZ(8), | |
107 | SR_MHZ(12), | |
108 | SR_MHZ(16), | |
772a0e61 | 109 | SR_MHZ(24), |
934cde02 | 110 | 0, |
8b35f474 JH |
111 | }; |
112 | ||
590b9f9a UH |
113 | static struct sr_samplerates samplerates = { |
114 | 0, | |
115 | 0, | |
116 | 0, | |
117 | supported_samplerates, | |
8b35f474 JH |
118 | }; |
119 | ||
cac0bbaa | 120 | static GSList *dev_insts = NULL; |
187b3582 JH |
121 | static libusb_context *usb_context = NULL; |
122 | ||
f92994fd | 123 | static int hw_dev_config_set(int dev_index, int hwcap, void *value); |
da686568 | 124 | static int hw_dev_acquisition_stop(int dev_index, void *cb_data); |
610dbb70 | 125 | |
b1eeb67e JH |
126 | /** |
127 | * Check the USB configuration to determine if this is an fx2lafw device. | |
128 | * | |
f9a69557 UH |
129 | * @return TRUE if the device's configuration profile match fx2lafw |
130 | * configuration, FALSE otherwise. | |
b1eeb67e | 131 | */ |
f9a69557 | 132 | static gboolean check_conf_profile(libusb_device *dev) |
b1eeb67e JH |
133 | { |
134 | struct libusb_device_descriptor des; | |
6b73d9a5 BV |
135 | struct libusb_device_handle *hdl; |
136 | gboolean ret; | |
137 | unsigned char strdesc[64]; | |
b1eeb67e | 138 | |
6b73d9a5 BV |
139 | hdl = NULL; |
140 | ret = FALSE; | |
b1eeb67e | 141 | while (!ret) { |
da686568 | 142 | /* Assume the FW has not been loaded, unless proven wrong. */ |
b1eeb67e JH |
143 | if (libusb_get_device_descriptor(dev, &des) != 0) |
144 | break; | |
145 | ||
6b73d9a5 | 146 | if (libusb_open(dev, &hdl) != 0) |
b1eeb67e JH |
147 | break; |
148 | ||
6b73d9a5 BV |
149 | if (libusb_get_string_descriptor_ascii(hdl, |
150 | des.iManufacturer, strdesc, sizeof(strdesc)) < 0) | |
b1eeb67e | 151 | break; |
6b73d9a5 | 152 | if (strncmp((const char *)strdesc, "sigrok", 6)) |
b1eeb67e JH |
153 | break; |
154 | ||
6b73d9a5 BV |
155 | if (libusb_get_string_descriptor_ascii(hdl, |
156 | des.iProduct, strdesc, sizeof(strdesc)) < 0) | |
b1eeb67e | 157 | break; |
6b73d9a5 | 158 | if (strncmp((const char *)strdesc, "fx2lafw", 7)) |
b1eeb67e JH |
159 | break; |
160 | ||
b1eeb67e | 161 | /* If we made it here, it must be an fx2lafw. */ |
f9a69557 | 162 | ret = TRUE; |
b1eeb67e | 163 | } |
6b73d9a5 BV |
164 | if (hdl) |
165 | libusb_close(hdl); | |
b1eeb67e JH |
166 | |
167 | return ret; | |
168 | } | |
169 | ||
da686568 | 170 | static int fx2lafw_dev_open(int dev_index) |
43125c69 JH |
171 | { |
172 | libusb_device **devlist; | |
173 | struct libusb_device_descriptor des; | |
174 | struct sr_dev_inst *sdi; | |
772a0e61 | 175 | struct context *ctx; |
13bf7ecc | 176 | struct version_info vi; |
ebc34738 | 177 | int ret, skip, i; |
43125c69 JH |
178 | |
179 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) | |
180 | return SR_ERR; | |
181 | ctx = sdi->priv; | |
182 | ||
183 | if (sdi->status == SR_ST_ACTIVE) | |
184 | /* already in use */ | |
185 | return SR_ERR; | |
186 | ||
187 | skip = 0; | |
6fbe5e60 JH |
188 | const int device_count = libusb_get_device_list(usb_context, &devlist); |
189 | if (device_count < 0) { | |
190 | sr_err("fx2lafw: Failed to retrieve device list (%d)", | |
191 | device_count); | |
192 | return SR_ERR; | |
193 | } | |
194 | ||
195 | for (i = 0; i < device_count; i++) { | |
ebc34738 | 196 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { |
7ae2f9d5 UH |
197 | sr_err("fx2lafw: Failed to get device descriptor: %d.", |
198 | ret); | |
43125c69 JH |
199 | continue; |
200 | } | |
201 | ||
74fcfb80 JH |
202 | if (des.idVendor != ctx->profile->vid |
203 | || des.idProduct != ctx->profile->pid) | |
43125c69 JH |
204 | continue; |
205 | ||
206 | if (sdi->status == SR_ST_INITIALIZING) { | |
207 | if (skip != dev_index) { | |
208 | /* Skip devices of this type that aren't the one we want. */ | |
209 | skip += 1; | |
210 | continue; | |
211 | } | |
212 | } else if (sdi->status == SR_ST_INACTIVE) { | |
213 | /* | |
214 | * This device is fully enumerated, so we need to find | |
215 | * this device by vendor, product, bus and address. | |
216 | */ | |
217 | if (libusb_get_bus_number(devlist[i]) != ctx->usb->bus | |
218 | || libusb_get_device_address(devlist[i]) != ctx->usb->address) | |
219 | /* this is not the one */ | |
220 | continue; | |
221 | } | |
222 | ||
ebc34738 | 223 | if (!(ret = libusb_open(devlist[i], &ctx->usb->devhdl))) { |
43125c69 JH |
224 | if (ctx->usb->address == 0xff) |
225 | /* | |
226 | * first time we touch this device after firmware upload, | |
227 | * so we don't know the address yet. | |
228 | */ | |
229 | ctx->usb->address = libusb_get_device_address(devlist[i]); | |
43125c69 | 230 | } else { |
7ae2f9d5 | 231 | sr_err("fx2lafw: Failed to open device: %d.", ret); |
13bf7ecc JH |
232 | break; |
233 | } | |
234 | ||
44dfd483 UH |
235 | ret = command_get_fw_version(ctx->usb->devhdl, &vi); |
236 | if (ret != SR_OK) { | |
13bf7ecc | 237 | sr_err("fx2lafw: Failed to retrieve " |
44dfd483 | 238 | "firmware version information."); |
13bf7ecc | 239 | break; |
43125c69 JH |
240 | } |
241 | ||
44dfd483 UH |
242 | if (vi.major != FX2LAFW_VERSION_MAJOR || |
243 | vi.minor != FX2LAFW_VERSION_MINOR) { | |
13bf7ecc | 244 | sr_err("fx2lafw: Expected firmware version %d.%02d " |
44dfd483 UH |
245 | "got %d.%02d.", FX2LAFW_VERSION_MAJOR, |
246 | FX2LAFW_VERSION_MINOR, vi.major, vi.minor); | |
13bf7ecc JH |
247 | break; |
248 | } | |
249 | ||
250 | sdi->status = SR_ST_ACTIVE; | |
251 | sr_info("fx2lafw: Opened device %d on %d.%d " | |
252 | "interface %d, firmware version %d.%02d", | |
253 | sdi->index, ctx->usb->bus, ctx->usb->address, | |
254 | USB_INTERFACE, vi.major, vi.minor); | |
255 | ||
43125c69 JH |
256 | break; |
257 | } | |
258 | libusb_free_device_list(devlist, 1); | |
259 | ||
260 | if (sdi->status != SR_ST_ACTIVE) | |
261 | return SR_ERR; | |
262 | ||
263 | return SR_OK; | |
264 | } | |
265 | ||
f1898235 JH |
266 | static void close_dev(struct sr_dev_inst *sdi) |
267 | { | |
772a0e61 | 268 | struct context *ctx; |
f1898235 JH |
269 | |
270 | ctx = sdi->priv; | |
271 | ||
272 | if (ctx->usb->devhdl == NULL) | |
273 | return; | |
274 | ||
7ae2f9d5 UH |
275 | sr_info("fx2lafw: Closing device %d on %d.%d interface %d.", |
276 | sdi->index, ctx->usb->bus, ctx->usb->address, USB_INTERFACE); | |
f1898235 JH |
277 | libusb_release_interface(ctx->usb->devhdl, USB_INTERFACE); |
278 | libusb_close(ctx->usb->devhdl); | |
279 | ctx->usb->devhdl = NULL; | |
280 | sdi->status = SR_ST_INACTIVE; | |
281 | } | |
282 | ||
6c6781b6 JH |
283 | static int configure_probes(struct context *ctx, GSList *probes) |
284 | { | |
285 | struct sr_probe *probe; | |
286 | GSList *l; | |
287 | int probe_bit, stage, i; | |
288 | char *tc; | |
289 | ||
290 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { | |
291 | ctx->trigger_mask[i] = 0; | |
292 | ctx->trigger_value[i] = 0; | |
293 | } | |
294 | ||
295 | stage = -1; | |
296 | for (l = probes; l; l = l->next) { | |
297 | probe = (struct sr_probe *)l->data; | |
298 | if (probe->enabled == FALSE) | |
299 | continue; | |
300 | probe_bit = 1 << (probe->index - 1); | |
301 | if (!(probe->trigger)) | |
302 | continue; | |
303 | ||
304 | stage = 0; | |
305 | for (tc = probe->trigger; *tc; tc++) { | |
306 | ctx->trigger_mask[stage] |= probe_bit; | |
307 | if (*tc == '1') | |
308 | ctx->trigger_value[stage] |= probe_bit; | |
309 | stage++; | |
310 | if (stage > NUM_TRIGGER_STAGES) | |
311 | return SR_ERR; | |
312 | } | |
313 | } | |
314 | ||
315 | if (stage == -1) | |
316 | /* | |
317 | * We didn't configure any triggers, make sure acquisition | |
318 | * doesn't wait for any. | |
319 | */ | |
320 | ctx->trigger_stage = TRIGGER_FIRED; | |
321 | else | |
322 | ctx->trigger_stage = 0; | |
323 | ||
324 | return SR_OK; | |
325 | } | |
326 | ||
da686568 | 327 | static struct context *fx2lafw_dev_new(void) |
187b3582 | 328 | { |
772a0e61 | 329 | struct context *ctx; |
187b3582 | 330 | |
772a0e61 | 331 | if (!(ctx = g_try_malloc0(sizeof(struct context)))) { |
7ae2f9d5 | 332 | sr_err("fx2lafw: %s: ctx malloc failed.", __func__); |
187b3582 JH |
333 | return NULL; |
334 | } | |
335 | ||
6c6781b6 JH |
336 | ctx->trigger_stage = TRIGGER_FIRED; |
337 | ||
772a0e61 | 338 | return ctx; |
187b3582 | 339 | } |
f302a082 JH |
340 | |
341 | /* | |
342 | * API callbacks | |
343 | */ | |
344 | ||
da686568 | 345 | static int hw_init(const char *devinfo) |
f302a082 | 346 | { |
187b3582 JH |
347 | struct sr_dev_inst *sdi; |
348 | struct libusb_device_descriptor des; | |
da686568 | 349 | const struct fx2lafw_profile *prof; |
772a0e61 | 350 | struct context *ctx; |
187b3582 | 351 | libusb_device **devlist; |
ebc34738 | 352 | int ret; |
187b3582 JH |
353 | int devcnt = 0; |
354 | int i, j; | |
355 | ||
356 | /* Avoid compiler warnings. */ | |
da686568 | 357 | (void)devinfo; |
187b3582 JH |
358 | |
359 | if (libusb_init(&usb_context) != 0) { | |
7ae2f9d5 | 360 | sr_warn("fx2lafw: Failed to initialize libusb."); |
187b3582 JH |
361 | return 0; |
362 | } | |
363 | ||
7ae2f9d5 | 364 | /* Find all fx2lafw compatible devices and upload firware to them. */ |
187b3582 JH |
365 | libusb_get_device_list(usb_context, &devlist); |
366 | for (i = 0; devlist[i]; i++) { | |
367 | ||
ebc34738 | 368 | if ((ret = libusb_get_device_descriptor( |
7ae2f9d5 UH |
369 | devlist[i], &des)) != 0) { |
370 | sr_warn("fx2lafw: Failed to get device descriptor: %d.", ret); | |
187b3582 JH |
371 | continue; |
372 | } | |
373 | ||
da686568 | 374 | prof = NULL; |
187b3582 JH |
375 | for (j = 0; supported_fx2[j].vid; j++) { |
376 | if (des.idVendor == supported_fx2[j].vid && | |
377 | des.idProduct == supported_fx2[j].pid) { | |
da686568 | 378 | prof = &supported_fx2[j]; |
187b3582 JH |
379 | } |
380 | } | |
381 | ||
382 | /* Skip if the device was not found */ | |
da686568 | 383 | if (!prof) |
187b3582 JH |
384 | continue; |
385 | ||
386 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, | |
da686568 | 387 | prof->vendor, prof->model, prof->model_version); |
f4a9e5c0 | 388 | if (!sdi) |
187b3582 JH |
389 | return 0; |
390 | ||
da686568 UH |
391 | ctx = fx2lafw_dev_new(); |
392 | ctx->profile = prof; | |
90282c82 | 393 | sdi->priv = ctx; |
be4b99e8 | 394 | dev_insts = g_slist_append(dev_insts, sdi); |
187b3582 | 395 | |
b1eeb67e JH |
396 | if (check_conf_profile(devlist[i])) { |
397 | /* Already has the firmware, so fix the new address. */ | |
7ae2f9d5 | 398 | sr_dbg("fx2lafw: Found an fx2lafw device."); |
b1eeb67e JH |
399 | sdi->status = SR_ST_INACTIVE; |
400 | ctx->usb = sr_usb_dev_inst_new | |
401 | (libusb_get_bus_number(devlist[i]), | |
402 | libusb_get_device_address(devlist[i]), NULL); | |
403 | } else { | |
f8b07fc6 | 404 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
da686568 | 405 | prof->firmware) == SR_OK) |
b1eeb67e JH |
406 | /* Remember when the firmware on this device was updated */ |
407 | g_get_current_time(&ctx->fw_updated); | |
408 | else | |
7ae2f9d5 UH |
409 | sr_err("fx2lafw: Firmware upload failed for " |
410 | "device %d.", devcnt); | |
b1eeb67e JH |
411 | ctx->usb = sr_usb_dev_inst_new |
412 | (libusb_get_bus_number(devlist[i]), 0xff, NULL); | |
413 | } | |
414 | ||
187b3582 JH |
415 | devcnt++; |
416 | } | |
417 | libusb_free_device_list(devlist, 1); | |
418 | ||
419 | return devcnt; | |
f302a082 JH |
420 | } |
421 | ||
772a0e61 | 422 | static int hw_dev_open(int dev_index) |
f302a082 | 423 | { |
43125c69 JH |
424 | GTimeVal cur_time; |
425 | struct sr_dev_inst *sdi; | |
772a0e61 | 426 | struct context *ctx; |
ebc34738 | 427 | int timediff, ret; |
43125c69 | 428 | |
772a0e61 | 429 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
43125c69 JH |
430 | return SR_ERR; |
431 | ctx = sdi->priv; | |
432 | ||
433 | /* | |
44dfd483 UH |
434 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY ms |
435 | * for the FX2 to renumerate. | |
43125c69 | 436 | */ |
ebc34738 | 437 | ret = 0; |
43125c69 | 438 | if (GTV_TO_MSEC(ctx->fw_updated) > 0) { |
7ae2f9d5 | 439 | sr_info("fx2lafw: Waiting for device to reset."); |
43125c69 JH |
440 | /* takes at least 300ms for the FX2 to be gone from the USB bus */ |
441 | g_usleep(300 * 1000); | |
442 | timediff = 0; | |
443 | while (timediff < MAX_RENUM_DELAY) { | |
da686568 | 444 | if ((ret = fx2lafw_dev_open(dev_index)) == SR_OK) |
43125c69 JH |
445 | break; |
446 | g_usleep(100 * 1000); | |
447 | g_get_current_time(&cur_time); | |
448 | timediff = GTV_TO_MSEC(cur_time) - GTV_TO_MSEC(ctx->fw_updated); | |
449 | } | |
7ae2f9d5 | 450 | sr_info("fx2lafw: Device came back after %d ms.", timediff); |
43125c69 | 451 | } else { |
da686568 | 452 | ret = fx2lafw_dev_open(dev_index); |
43125c69 JH |
453 | } |
454 | ||
ebc34738 | 455 | if (ret != SR_OK) { |
7ae2f9d5 | 456 | sr_err("fx2lafw: Unable to open device."); |
43125c69 JH |
457 | return SR_ERR; |
458 | } | |
459 | ctx = sdi->priv; | |
460 | ||
ebc34738 UH |
461 | ret = libusb_claim_interface(ctx->usb->devhdl, USB_INTERFACE); |
462 | if (ret != 0) { | |
7ae2f9d5 | 463 | sr_err("fx2lafw: Unable to claim interface: %d.", ret); |
43125c69 JH |
464 | return SR_ERR; |
465 | } | |
466 | ||
f92994fd JH |
467 | if (ctx->cur_samplerate == 0) { |
468 | /* Samplerate hasn't been set; default to the slowest one. */ | |
469 | if (hw_dev_config_set(dev_index, SR_HWCAP_SAMPLERATE, | |
590b9f9a | 470 | &supported_samplerates[0]) == SR_ERR) |
f92994fd JH |
471 | return SR_ERR; |
472 | } | |
473 | ||
f302a082 JH |
474 | return SR_OK; |
475 | } | |
476 | ||
f1898235 | 477 | static int hw_dev_close(int dev_index) |
f302a082 | 478 | { |
f1898235 JH |
479 | struct sr_dev_inst *sdi; |
480 | ||
481 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { | |
7ae2f9d5 | 482 | sr_err("fx2lafw: %s: sdi was NULL.", __func__); |
0abee507 | 483 | return SR_ERR_BUG; |
f1898235 JH |
484 | } |
485 | ||
486 | /* TODO */ | |
487 | close_dev(sdi); | |
488 | ||
f302a082 JH |
489 | return SR_OK; |
490 | } | |
491 | ||
492 | static int hw_cleanup(void) | |
493 | { | |
187b3582 JH |
494 | GSList *l; |
495 | struct sr_dev_inst *sdi; | |
772a0e61 | 496 | struct context *ctx; |
62bc70e4 | 497 | int ret = SR_OK; |
187b3582 | 498 | |
f4a9e5c0 | 499 | for (l = dev_insts; l; l = l->next) { |
62bc70e4 JH |
500 | if (!(sdi = l->data)) { |
501 | /* Log error, but continue cleaning up the rest. */ | |
7ae2f9d5 UH |
502 | sr_err("fx2lafw: %s: sdi was NULL, continuing.", |
503 | __func__); | |
62bc70e4 JH |
504 | ret = SR_ERR_BUG; |
505 | continue; | |
506 | } | |
507 | if (!(ctx = sdi->priv)) { | |
508 | /* Log error, but continue cleaning up the rest. */ | |
509 | sr_err("fx2lafw: %s: sdi->priv was NULL, continuing", | |
510 | __func__); | |
511 | ret = SR_ERR_BUG; | |
512 | continue; | |
513 | } | |
514 | close_dev(sdi); | |
187b3582 JH |
515 | sdi = l->data; |
516 | sr_dev_inst_free(sdi); | |
517 | } | |
518 | ||
62bc70e4 JH |
519 | g_slist_free(dev_insts); |
520 | dev_insts = NULL; | |
187b3582 | 521 | |
f4a9e5c0 | 522 | if (usb_context) |
187b3582 JH |
523 | libusb_exit(usb_context); |
524 | usb_context = NULL; | |
525 | ||
62bc70e4 | 526 | return ret; |
f302a082 JH |
527 | } |
528 | ||
772a0e61 | 529 | static void *hw_dev_info_get(int dev_index, int dev_info_id) |
f302a082 | 530 | { |
8b35f474 | 531 | struct sr_dev_inst *sdi; |
772a0e61 | 532 | struct context *ctx; |
8b35f474 | 533 | |
772a0e61 | 534 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
8b35f474 | 535 | return NULL; |
cdfdd711 | 536 | ctx = sdi->priv; |
8b35f474 | 537 | |
772a0e61 | 538 | switch (dev_info_id) { |
8b35f474 JH |
539 | case SR_DI_INST: |
540 | return sdi; | |
541 | case SR_DI_NUM_PROBES: | |
cdfdd711 | 542 | return GINT_TO_POINTER(ctx->profile->num_probes); |
8b35f474 | 543 | case SR_DI_PROBE_NAMES: |
da686568 | 544 | return probe_names; |
8b35f474 | 545 | case SR_DI_SAMPLERATES: |
590b9f9a | 546 | return &samplerates; |
8b35f474 JH |
547 | case SR_DI_TRIGGER_TYPES: |
548 | return TRIGGER_TYPES; | |
e3186647 JH |
549 | case SR_DI_CUR_SAMPLERATE: |
550 | return &ctx->cur_samplerate; | |
8b35f474 JH |
551 | } |
552 | ||
f302a082 JH |
553 | return NULL; |
554 | } | |
555 | ||
772a0e61 | 556 | static int hw_dev_status_get(int dev_index) |
f302a082 | 557 | { |
aae2fed6 | 558 | const struct sr_dev_inst *const sdi = |
772a0e61 | 559 | sr_dev_inst_get(dev_insts, dev_index); |
aae2fed6 JH |
560 | |
561 | if (!sdi) | |
562 | return SR_ST_NOT_FOUND; | |
563 | ||
564 | return sdi->status; | |
f302a082 JH |
565 | } |
566 | ||
567 | static int *hw_hwcap_get_all(void) | |
568 | { | |
da686568 | 569 | return hwcaps; |
f302a082 JH |
570 | } |
571 | ||
7cb621d4 | 572 | static int hw_dev_config_set(int dev_index, int hwcap, void *value) |
f302a082 | 573 | { |
7cb621d4 | 574 | struct sr_dev_inst *sdi; |
772a0e61 | 575 | struct context *ctx; |
7cb621d4 JH |
576 | int ret; |
577 | ||
578 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) | |
579 | return SR_ERR; | |
580 | ctx = sdi->priv; | |
581 | ||
e3186647 JH |
582 | if (hwcap == SR_HWCAP_SAMPLERATE) { |
583 | ctx->cur_samplerate = *(uint64_t *)value; | |
584 | ret = SR_OK; | |
585 | } else if (hwcap == SR_HWCAP_PROBECONFIG) { | |
6c6781b6 | 586 | ret = configure_probes(ctx, (GSList *) value); |
e3186647 | 587 | } else if (hwcap == SR_HWCAP_LIMIT_SAMPLES) { |
7cb621d4 JH |
588 | ctx->limit_samples = *(uint64_t *)value; |
589 | ret = SR_OK; | |
590 | } else { | |
591 | ret = SR_ERR; | |
592 | } | |
593 | ||
594 | return ret; | |
f302a082 JH |
595 | } |
596 | ||
1f9813eb | 597 | static int receive_data(int fd, int revents, void *cb_data) |
610dbb70 JH |
598 | { |
599 | struct timeval tv; | |
600 | ||
601 | /* Avoid compiler warnings. */ | |
602 | (void)fd; | |
603 | (void)revents; | |
1f9813eb | 604 | (void)cb_data; |
610dbb70 JH |
605 | |
606 | tv.tv_sec = tv.tv_usec = 0; | |
607 | libusb_handle_events_timeout(usb_context, &tv); | |
608 | ||
609 | return TRUE; | |
610 | } | |
611 | ||
2e526f4a | 612 | static void abort_acquisition(struct context *ctx) |
cb61e9f7 JH |
613 | { |
614 | ctx->num_samples = -1; | |
615 | } | |
616 | ||
3e6292b2 | 617 | static void finish_acquisition(struct context *ctx) |
2e526f4a JH |
618 | { |
619 | struct sr_datafeed_packet packet; | |
cb61e9f7 | 620 | int i; |
2e526f4a | 621 | |
cb61e9f7 | 622 | /* Terminate session */ |
2e526f4a JH |
623 | packet.type = SR_DF_END; |
624 | sr_session_send(ctx->session_dev_id, &packet); | |
625 | ||
cb61e9f7 JH |
626 | /* Remove fds from polling */ |
627 | const struct libusb_pollfd **const lupfd = | |
628 | libusb_get_pollfds(usb_context); | |
629 | for (i = 0; lupfd[i]; i++) | |
630 | sr_source_remove(lupfd[i]->fd); | |
631 | free(lupfd); /* NOT g_free()! */ | |
2e526f4a JH |
632 | } |
633 | ||
610dbb70 JH |
634 | static void receive_transfer(struct libusb_transfer *transfer) |
635 | { | |
636 | /* TODO: These statics have to move to the ctx struct. */ | |
610dbb70 JH |
637 | static int empty_transfer_count = 0; |
638 | struct sr_datafeed_packet packet; | |
639 | struct sr_datafeed_logic logic; | |
2e526f4a | 640 | struct context *ctx = transfer->user_data; |
6c6781b6 | 641 | int cur_buflen, trigger_offset, i; |
610dbb70 JH |
642 | unsigned char *cur_buf, *new_buf; |
643 | ||
610dbb70 JH |
644 | /* |
645 | * If acquisition has already ended, just free any queued up | |
646 | * transfer that come in. | |
647 | */ | |
2e526f4a | 648 | if (ctx->num_samples == -1) { |
610dbb70 JH |
649 | if (transfer) |
650 | libusb_free_transfer(transfer); | |
cb61e9f7 JH |
651 | |
652 | ctx->submitted_transfers--; | |
653 | if (ctx->submitted_transfers == 0) | |
654 | finish_acquisition(ctx); | |
655 | ||
610dbb70 JH |
656 | return; |
657 | } | |
658 | ||
7ae2f9d5 | 659 | sr_info("fx2lafw: receive_transfer(): status %d received %d bytes.", |
610dbb70 JH |
660 | transfer->status, transfer->actual_length); |
661 | ||
662 | /* Save incoming transfer before reusing the transfer struct. */ | |
663 | cur_buf = transfer->buffer; | |
664 | cur_buflen = transfer->actual_length; | |
610dbb70 JH |
665 | |
666 | /* Fire off a new request. */ | |
667 | if (!(new_buf = g_try_malloc(4096))) { | |
7ae2f9d5 | 668 | sr_err("fx2lafw: %s: new_buf malloc failed.", __func__); |
610dbb70 JH |
669 | return; /* TODO: SR_ERR_MALLOC */ |
670 | } | |
671 | ||
672 | transfer->buffer = new_buf; | |
673 | transfer->length = 4096; | |
674 | if (libusb_submit_transfer(transfer) != 0) { | |
675 | /* TODO: Stop session? */ | |
676 | /* TODO: Better error message. */ | |
7ae2f9d5 | 677 | sr_err("fx2lafw: %s: libusb_submit_transfer error.", __func__); |
610dbb70 JH |
678 | } |
679 | ||
680 | if (cur_buflen == 0) { | |
681 | empty_transfer_count++; | |
682 | if (empty_transfer_count > MAX_EMPTY_TRANSFERS) { | |
683 | /* | |
684 | * The FX2 gave up. End the acquisition, the frontend | |
685 | * will work out that the samplecount is short. | |
686 | */ | |
2e526f4a | 687 | abort_acquisition(ctx); |
610dbb70 JH |
688 | } |
689 | return; | |
690 | } else { | |
691 | empty_transfer_count = 0; | |
692 | } | |
693 | ||
6c6781b6 JH |
694 | trigger_offset = 0; |
695 | if (ctx->trigger_stage >= 0) { | |
696 | for (i = 0; i < cur_buflen; i++) { | |
697 | ||
698 | if ((cur_buf[i] & ctx->trigger_mask[ctx->trigger_stage]) == ctx->trigger_value[ctx->trigger_stage]) { | |
699 | /* Match on this trigger stage. */ | |
700 | ctx->trigger_buffer[ctx->trigger_stage] = cur_buf[i]; | |
701 | ctx->trigger_stage++; | |
702 | ||
703 | if (ctx->trigger_stage == NUM_TRIGGER_STAGES || ctx->trigger_mask[ctx->trigger_stage] == 0) { | |
704 | /* Match on all trigger stages, we're done. */ | |
705 | trigger_offset = i + 1; | |
706 | ||
707 | /* | |
708 | * TODO: Send pre-trigger buffer to session bus. | |
709 | * Tell the frontend we hit the trigger here. | |
710 | */ | |
711 | packet.type = SR_DF_TRIGGER; | |
712 | packet.payload = NULL; | |
713 | sr_session_send(ctx->session_dev_id, &packet); | |
714 | ||
715 | /* | |
716 | * Send the samples that triggered it, since we're | |
717 | * skipping past them. | |
718 | */ | |
719 | packet.type = SR_DF_LOGIC; | |
720 | packet.payload = &logic; | |
721 | logic.length = ctx->trigger_stage; | |
722 | logic.unitsize = 1; | |
723 | logic.data = ctx->trigger_buffer; | |
724 | sr_session_send(ctx->session_dev_id, &packet); | |
725 | ||
726 | ctx->trigger_stage = TRIGGER_FIRED; | |
727 | break; | |
728 | } | |
729 | return; | |
730 | } | |
731 | ||
732 | /* | |
733 | * We had a match before, but not in the next sample. However, we may | |
734 | * have a match on this stage in the next bit -- trigger on 0001 will | |
735 | * fail on seeing 00001, so we need to go back to stage 0 -- but at | |
736 | * the next sample from the one that matched originally, which the | |
737 | * counter increment at the end of the loop takes care of. | |
738 | */ | |
739 | if (ctx->trigger_stage > 0) { | |
740 | i -= ctx->trigger_stage; | |
741 | if (i < -1) | |
742 | i = -1; /* Oops, went back past this buffer. */ | |
743 | /* Reset trigger stage. */ | |
744 | ctx->trigger_stage = 0; | |
745 | } | |
746 | } | |
747 | } | |
610dbb70 | 748 | |
6c6781b6 JH |
749 | if (ctx->trigger_stage == TRIGGER_FIRED) { |
750 | /* Send the incoming transfer to the session bus. */ | |
751 | packet.type = SR_DF_LOGIC; | |
752 | packet.payload = &logic; | |
753 | logic.length = cur_buflen - trigger_offset; | |
754 | logic.unitsize = 1; | |
755 | logic.data = cur_buf + trigger_offset; | |
756 | sr_session_send(ctx->session_dev_id, &packet); | |
757 | g_free(cur_buf); | |
758 | ||
759 | ctx->num_samples += cur_buflen; | |
760 | if (ctx->limit_samples && | |
761 | (unsigned int)ctx->num_samples > ctx->limit_samples) { | |
762 | abort_acquisition(ctx); | |
763 | } | |
764 | } else { | |
765 | /* | |
766 | * TODO: Buffer pre-trigger data in capture | |
767 | * ratio-sized buffer. | |
768 | */ | |
610dbb70 JH |
769 | } |
770 | } | |
771 | ||
3cd3a20b | 772 | static int hw_dev_acquisition_start(int dev_index, void *cb_data) |
f302a082 | 773 | { |
610dbb70 JH |
774 | struct sr_dev_inst *sdi; |
775 | struct sr_datafeed_packet *packet; | |
776 | struct sr_datafeed_header *header; | |
772a0e61 | 777 | struct context *ctx; |
610dbb70 JH |
778 | struct libusb_transfer *transfer; |
779 | const struct libusb_pollfd **lupfd; | |
ebc34738 | 780 | int ret, size, i; |
610dbb70 JH |
781 | unsigned char *buf; |
782 | ||
783 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) | |
784 | return SR_ERR; | |
785 | ctx = sdi->priv; | |
3cd3a20b | 786 | ctx->session_dev_id = cb_data; |
2e526f4a | 787 | ctx->num_samples = 0; |
610dbb70 JH |
788 | |
789 | if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) { | |
7ae2f9d5 | 790 | sr_err("fx2lafw: %s: packet malloc failed.", __func__); |
610dbb70 JH |
791 | return SR_ERR_MALLOC; |
792 | } | |
793 | ||
794 | if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) { | |
7ae2f9d5 | 795 | sr_err("fx2lafw: %s: header malloc failed.", __func__); |
610dbb70 JH |
796 | return SR_ERR_MALLOC; |
797 | } | |
798 | ||
799 | /* Start with 2K transfer, subsequently increased to 4K. */ | |
800 | size = 2048; | |
801 | for (i = 0; i < NUM_SIMUL_TRANSFERS; i++) { | |
802 | if (!(buf = g_try_malloc(size))) { | |
7ae2f9d5 | 803 | sr_err("fx2lafw: %s: buf malloc failed.", __func__); |
610dbb70 JH |
804 | return SR_ERR_MALLOC; |
805 | } | |
806 | transfer = libusb_alloc_transfer(0); | |
807 | libusb_fill_bulk_transfer(transfer, ctx->usb->devhdl, | |
808 | 2 | LIBUSB_ENDPOINT_IN, buf, size, | |
809 | receive_transfer, ctx, 40); | |
810 | if (libusb_submit_transfer(transfer) != 0) { | |
811 | /* TODO: Free them all. */ | |
812 | libusb_free_transfer(transfer); | |
813 | g_free(buf); | |
814 | return SR_ERR; | |
815 | } | |
cb61e9f7 JH |
816 | |
817 | ctx->submitted_transfers++; | |
610dbb70 JH |
818 | size = 4096; |
819 | } | |
820 | ||
821 | lupfd = libusb_get_pollfds(usb_context); | |
822 | for (i = 0; lupfd[i]; i++) | |
823 | sr_source_add(lupfd[i]->fd, lupfd[i]->events, | |
824 | 40, receive_data, NULL); | |
825 | free(lupfd); /* NOT g_free()! */ | |
826 | ||
827 | packet->type = SR_DF_HEADER; | |
828 | packet->payload = header; | |
829 | header->feed_version = 1; | |
830 | gettimeofday(&header->starttime, NULL); | |
e3186647 | 831 | header->samplerate = ctx->cur_samplerate; |
610dbb70 | 832 | header->num_logic_probes = ctx->profile->num_probes; |
c8f2c9dd | 833 | sr_session_send(cb_data, packet); |
610dbb70 JH |
834 | g_free(header); |
835 | g_free(packet); | |
836 | ||
ebc34738 | 837 | if ((ret = command_start_acquisition (ctx->usb->devhdl, |
017375d1 | 838 | ctx->cur_samplerate)) != SR_OK) { |
ebc34738 | 839 | return ret; |
017375d1 JH |
840 | } |
841 | ||
f302a082 JH |
842 | return SR_OK; |
843 | } | |
844 | ||
3cd3a20b | 845 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ |
c8f2c9dd | 846 | static int hw_dev_acquisition_stop(int dev_index, void *cb_data) |
f302a082 | 847 | { |
2e526f4a | 848 | struct sr_dev_inst *sdi; |
5da93902 | 849 | |
f4a9e5c0 | 850 | /* Avoid compiler warnings. */ |
2e526f4a | 851 | (void)cb_data; |
5da93902 | 852 | |
2e526f4a JH |
853 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
854 | return SR_ERR; | |
855 | ||
856 | abort_acquisition(sdi->priv); | |
5da93902 | 857 | |
f302a082 JH |
858 | return SR_OK; |
859 | } | |
860 | ||
c09f0b57 | 861 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { |
f302a082 | 862 | .name = "fx2lafw", |
2e7cb004 | 863 | .longname = "fx2lafw (generic driver for FX2 based LAs)", |
f302a082 JH |
864 | .api_version = 1, |
865 | .init = hw_init, | |
866 | .cleanup = hw_cleanup, | |
867 | .dev_open = hw_dev_open, | |
868 | .dev_close = hw_dev_close, | |
869 | .dev_info_get = hw_dev_info_get, | |
870 | .dev_status_get = hw_dev_status_get, | |
871 | .hwcap_get_all = hw_hwcap_get_all, | |
872 | .dev_config_set = hw_dev_config_set, | |
873 | .dev_acquisition_start = hw_dev_acquisition_start, | |
874 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
875 | }; |