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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; |
1e94408a | 178 | uint8_t revid; |
43125c69 JH |
179 | |
180 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) | |
181 | return SR_ERR; | |
182 | ctx = sdi->priv; | |
183 | ||
184 | if (sdi->status == SR_ST_ACTIVE) | |
185 | /* already in use */ | |
186 | return SR_ERR; | |
187 | ||
188 | skip = 0; | |
6fbe5e60 JH |
189 | const int device_count = libusb_get_device_list(usb_context, &devlist); |
190 | if (device_count < 0) { | |
191 | sr_err("fx2lafw: Failed to retrieve device list (%d)", | |
192 | device_count); | |
193 | return SR_ERR; | |
194 | } | |
195 | ||
196 | for (i = 0; i < device_count; i++) { | |
ebc34738 | 197 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { |
7ae2f9d5 UH |
198 | sr_err("fx2lafw: Failed to get device descriptor: %d.", |
199 | ret); | |
43125c69 JH |
200 | continue; |
201 | } | |
202 | ||
74fcfb80 JH |
203 | if (des.idVendor != ctx->profile->vid |
204 | || des.idProduct != ctx->profile->pid) | |
43125c69 JH |
205 | continue; |
206 | ||
207 | if (sdi->status == SR_ST_INITIALIZING) { | |
208 | if (skip != dev_index) { | |
209 | /* Skip devices of this type that aren't the one we want. */ | |
210 | skip += 1; | |
211 | continue; | |
212 | } | |
213 | } else if (sdi->status == SR_ST_INACTIVE) { | |
214 | /* | |
215 | * This device is fully enumerated, so we need to find | |
216 | * this device by vendor, product, bus and address. | |
217 | */ | |
218 | if (libusb_get_bus_number(devlist[i]) != ctx->usb->bus | |
219 | || libusb_get_device_address(devlist[i]) != ctx->usb->address) | |
220 | /* this is not the one */ | |
221 | continue; | |
222 | } | |
223 | ||
ebc34738 | 224 | if (!(ret = libusb_open(devlist[i], &ctx->usb->devhdl))) { |
43125c69 JH |
225 | if (ctx->usb->address == 0xff) |
226 | /* | |
227 | * first time we touch this device after firmware upload, | |
228 | * so we don't know the address yet. | |
229 | */ | |
230 | ctx->usb->address = libusb_get_device_address(devlist[i]); | |
43125c69 | 231 | } else { |
7ae2f9d5 | 232 | sr_err("fx2lafw: Failed to open device: %d.", ret); |
13bf7ecc JH |
233 | break; |
234 | } | |
235 | ||
44dfd483 UH |
236 | ret = command_get_fw_version(ctx->usb->devhdl, &vi); |
237 | if (ret != SR_OK) { | |
13bf7ecc | 238 | sr_err("fx2lafw: Failed to retrieve " |
44dfd483 | 239 | "firmware version information."); |
13bf7ecc | 240 | break; |
43125c69 JH |
241 | } |
242 | ||
1e94408a UH |
243 | ret = command_get_revid_version(ctx->usb->devhdl, &revid); |
244 | if (ret != SR_OK) { | |
245 | sr_err("fx2lafw: Failed to retrieve REVID."); | |
246 | break; | |
247 | } | |
248 | ||
44dfd483 UH |
249 | if (vi.major != FX2LAFW_VERSION_MAJOR || |
250 | vi.minor != FX2LAFW_VERSION_MINOR) { | |
1e94408a UH |
251 | sr_err("fx2lafw: Expected firmware version %d.%d " |
252 | "got %d.%d.", FX2LAFW_VERSION_MAJOR, | |
44dfd483 | 253 | FX2LAFW_VERSION_MINOR, vi.major, vi.minor); |
13bf7ecc JH |
254 | break; |
255 | } | |
256 | ||
257 | sdi->status = SR_ST_ACTIVE; | |
258 | sr_info("fx2lafw: Opened device %d on %d.%d " | |
1e94408a | 259 | "interface %d, firmware %d.%d, REVID %d.", |
13bf7ecc | 260 | sdi->index, ctx->usb->bus, ctx->usb->address, |
1e94408a | 261 | USB_INTERFACE, vi.major, vi.minor, revid); |
13bf7ecc | 262 | |
43125c69 JH |
263 | break; |
264 | } | |
265 | libusb_free_device_list(devlist, 1); | |
266 | ||
267 | if (sdi->status != SR_ST_ACTIVE) | |
268 | return SR_ERR; | |
269 | ||
270 | return SR_OK; | |
271 | } | |
272 | ||
f1898235 JH |
273 | static void close_dev(struct sr_dev_inst *sdi) |
274 | { | |
772a0e61 | 275 | struct context *ctx; |
f1898235 JH |
276 | |
277 | ctx = sdi->priv; | |
278 | ||
279 | if (ctx->usb->devhdl == NULL) | |
280 | return; | |
281 | ||
7ae2f9d5 UH |
282 | sr_info("fx2lafw: Closing device %d on %d.%d interface %d.", |
283 | sdi->index, ctx->usb->bus, ctx->usb->address, USB_INTERFACE); | |
f1898235 JH |
284 | libusb_release_interface(ctx->usb->devhdl, USB_INTERFACE); |
285 | libusb_close(ctx->usb->devhdl); | |
286 | ctx->usb->devhdl = NULL; | |
287 | sdi->status = SR_ST_INACTIVE; | |
288 | } | |
289 | ||
6c6781b6 JH |
290 | static int configure_probes(struct context *ctx, GSList *probes) |
291 | { | |
292 | struct sr_probe *probe; | |
293 | GSList *l; | |
294 | int probe_bit, stage, i; | |
295 | char *tc; | |
296 | ||
297 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { | |
298 | ctx->trigger_mask[i] = 0; | |
299 | ctx->trigger_value[i] = 0; | |
300 | } | |
301 | ||
302 | stage = -1; | |
303 | for (l = probes; l; l = l->next) { | |
304 | probe = (struct sr_probe *)l->data; | |
305 | if (probe->enabled == FALSE) | |
306 | continue; | |
307 | probe_bit = 1 << (probe->index - 1); | |
308 | if (!(probe->trigger)) | |
309 | continue; | |
310 | ||
311 | stage = 0; | |
312 | for (tc = probe->trigger; *tc; tc++) { | |
313 | ctx->trigger_mask[stage] |= probe_bit; | |
314 | if (*tc == '1') | |
315 | ctx->trigger_value[stage] |= probe_bit; | |
316 | stage++; | |
317 | if (stage > NUM_TRIGGER_STAGES) | |
318 | return SR_ERR; | |
319 | } | |
320 | } | |
321 | ||
322 | if (stage == -1) | |
323 | /* | |
324 | * We didn't configure any triggers, make sure acquisition | |
325 | * doesn't wait for any. | |
326 | */ | |
327 | ctx->trigger_stage = TRIGGER_FIRED; | |
328 | else | |
329 | ctx->trigger_stage = 0; | |
330 | ||
331 | return SR_OK; | |
332 | } | |
333 | ||
da686568 | 334 | static struct context *fx2lafw_dev_new(void) |
187b3582 | 335 | { |
772a0e61 | 336 | struct context *ctx; |
187b3582 | 337 | |
772a0e61 | 338 | if (!(ctx = g_try_malloc0(sizeof(struct context)))) { |
7ae2f9d5 | 339 | sr_err("fx2lafw: %s: ctx malloc failed.", __func__); |
187b3582 JH |
340 | return NULL; |
341 | } | |
342 | ||
6c6781b6 JH |
343 | ctx->trigger_stage = TRIGGER_FIRED; |
344 | ||
772a0e61 | 345 | return ctx; |
187b3582 | 346 | } |
f302a082 JH |
347 | |
348 | /* | |
349 | * API callbacks | |
350 | */ | |
351 | ||
da686568 | 352 | static int hw_init(const char *devinfo) |
f302a082 | 353 | { |
187b3582 JH |
354 | struct sr_dev_inst *sdi; |
355 | struct libusb_device_descriptor des; | |
da686568 | 356 | const struct fx2lafw_profile *prof; |
772a0e61 | 357 | struct context *ctx; |
187b3582 | 358 | libusb_device **devlist; |
ebc34738 | 359 | int ret; |
187b3582 JH |
360 | int devcnt = 0; |
361 | int i, j; | |
362 | ||
363 | /* Avoid compiler warnings. */ | |
da686568 | 364 | (void)devinfo; |
187b3582 JH |
365 | |
366 | if (libusb_init(&usb_context) != 0) { | |
7ae2f9d5 | 367 | sr_warn("fx2lafw: Failed to initialize libusb."); |
187b3582 JH |
368 | return 0; |
369 | } | |
370 | ||
7ae2f9d5 | 371 | /* Find all fx2lafw compatible devices and upload firware to them. */ |
187b3582 JH |
372 | libusb_get_device_list(usb_context, &devlist); |
373 | for (i = 0; devlist[i]; i++) { | |
374 | ||
ebc34738 | 375 | if ((ret = libusb_get_device_descriptor( |
7ae2f9d5 UH |
376 | devlist[i], &des)) != 0) { |
377 | sr_warn("fx2lafw: Failed to get device descriptor: %d.", ret); | |
187b3582 JH |
378 | continue; |
379 | } | |
380 | ||
da686568 | 381 | prof = NULL; |
187b3582 JH |
382 | for (j = 0; supported_fx2[j].vid; j++) { |
383 | if (des.idVendor == supported_fx2[j].vid && | |
384 | des.idProduct == supported_fx2[j].pid) { | |
da686568 | 385 | prof = &supported_fx2[j]; |
187b3582 JH |
386 | } |
387 | } | |
388 | ||
389 | /* Skip if the device was not found */ | |
da686568 | 390 | if (!prof) |
187b3582 JH |
391 | continue; |
392 | ||
393 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, | |
da686568 | 394 | prof->vendor, prof->model, prof->model_version); |
f4a9e5c0 | 395 | if (!sdi) |
187b3582 JH |
396 | return 0; |
397 | ||
da686568 UH |
398 | ctx = fx2lafw_dev_new(); |
399 | ctx->profile = prof; | |
90282c82 | 400 | sdi->priv = ctx; |
be4b99e8 | 401 | dev_insts = g_slist_append(dev_insts, sdi); |
187b3582 | 402 | |
b1eeb67e JH |
403 | if (check_conf_profile(devlist[i])) { |
404 | /* Already has the firmware, so fix the new address. */ | |
7ae2f9d5 | 405 | sr_dbg("fx2lafw: Found an fx2lafw device."); |
b1eeb67e JH |
406 | sdi->status = SR_ST_INACTIVE; |
407 | ctx->usb = sr_usb_dev_inst_new | |
408 | (libusb_get_bus_number(devlist[i]), | |
409 | libusb_get_device_address(devlist[i]), NULL); | |
410 | } else { | |
f8b07fc6 | 411 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
da686568 | 412 | prof->firmware) == SR_OK) |
b1eeb67e JH |
413 | /* Remember when the firmware on this device was updated */ |
414 | g_get_current_time(&ctx->fw_updated); | |
415 | else | |
7ae2f9d5 UH |
416 | sr_err("fx2lafw: Firmware upload failed for " |
417 | "device %d.", devcnt); | |
b1eeb67e JH |
418 | ctx->usb = sr_usb_dev_inst_new |
419 | (libusb_get_bus_number(devlist[i]), 0xff, NULL); | |
420 | } | |
421 | ||
187b3582 JH |
422 | devcnt++; |
423 | } | |
424 | libusb_free_device_list(devlist, 1); | |
425 | ||
426 | return devcnt; | |
f302a082 JH |
427 | } |
428 | ||
772a0e61 | 429 | static int hw_dev_open(int dev_index) |
f302a082 | 430 | { |
43125c69 JH |
431 | GTimeVal cur_time; |
432 | struct sr_dev_inst *sdi; | |
772a0e61 | 433 | struct context *ctx; |
ebc34738 | 434 | int timediff, ret; |
43125c69 | 435 | |
772a0e61 | 436 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
43125c69 JH |
437 | return SR_ERR; |
438 | ctx = sdi->priv; | |
439 | ||
440 | /* | |
44dfd483 UH |
441 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY ms |
442 | * for the FX2 to renumerate. | |
43125c69 | 443 | */ |
ebc34738 | 444 | ret = 0; |
43125c69 | 445 | if (GTV_TO_MSEC(ctx->fw_updated) > 0) { |
7ae2f9d5 | 446 | sr_info("fx2lafw: Waiting for device to reset."); |
43125c69 JH |
447 | /* takes at least 300ms for the FX2 to be gone from the USB bus */ |
448 | g_usleep(300 * 1000); | |
449 | timediff = 0; | |
450 | while (timediff < MAX_RENUM_DELAY) { | |
da686568 | 451 | if ((ret = fx2lafw_dev_open(dev_index)) == SR_OK) |
43125c69 JH |
452 | break; |
453 | g_usleep(100 * 1000); | |
454 | g_get_current_time(&cur_time); | |
455 | timediff = GTV_TO_MSEC(cur_time) - GTV_TO_MSEC(ctx->fw_updated); | |
456 | } | |
7ae2f9d5 | 457 | sr_info("fx2lafw: Device came back after %d ms.", timediff); |
43125c69 | 458 | } else { |
da686568 | 459 | ret = fx2lafw_dev_open(dev_index); |
43125c69 JH |
460 | } |
461 | ||
ebc34738 | 462 | if (ret != SR_OK) { |
7ae2f9d5 | 463 | sr_err("fx2lafw: Unable to open device."); |
43125c69 JH |
464 | return SR_ERR; |
465 | } | |
466 | ctx = sdi->priv; | |
467 | ||
ebc34738 UH |
468 | ret = libusb_claim_interface(ctx->usb->devhdl, USB_INTERFACE); |
469 | if (ret != 0) { | |
7ae2f9d5 | 470 | sr_err("fx2lafw: Unable to claim interface: %d.", ret); |
43125c69 JH |
471 | return SR_ERR; |
472 | } | |
473 | ||
f92994fd JH |
474 | if (ctx->cur_samplerate == 0) { |
475 | /* Samplerate hasn't been set; default to the slowest one. */ | |
476 | if (hw_dev_config_set(dev_index, SR_HWCAP_SAMPLERATE, | |
590b9f9a | 477 | &supported_samplerates[0]) == SR_ERR) |
f92994fd JH |
478 | return SR_ERR; |
479 | } | |
480 | ||
f302a082 JH |
481 | return SR_OK; |
482 | } | |
483 | ||
f1898235 | 484 | static int hw_dev_close(int dev_index) |
f302a082 | 485 | { |
f1898235 JH |
486 | struct sr_dev_inst *sdi; |
487 | ||
488 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { | |
7ae2f9d5 | 489 | sr_err("fx2lafw: %s: sdi was NULL.", __func__); |
0abee507 | 490 | return SR_ERR_BUG; |
f1898235 JH |
491 | } |
492 | ||
493 | /* TODO */ | |
494 | close_dev(sdi); | |
495 | ||
f302a082 JH |
496 | return SR_OK; |
497 | } | |
498 | ||
499 | static int hw_cleanup(void) | |
500 | { | |
187b3582 JH |
501 | GSList *l; |
502 | struct sr_dev_inst *sdi; | |
772a0e61 | 503 | struct context *ctx; |
62bc70e4 | 504 | int ret = SR_OK; |
187b3582 | 505 | |
f4a9e5c0 | 506 | for (l = dev_insts; l; l = l->next) { |
62bc70e4 JH |
507 | if (!(sdi = l->data)) { |
508 | /* Log error, but continue cleaning up the rest. */ | |
7ae2f9d5 UH |
509 | sr_err("fx2lafw: %s: sdi was NULL, continuing.", |
510 | __func__); | |
62bc70e4 JH |
511 | ret = SR_ERR_BUG; |
512 | continue; | |
513 | } | |
514 | if (!(ctx = sdi->priv)) { | |
515 | /* Log error, but continue cleaning up the rest. */ | |
516 | sr_err("fx2lafw: %s: sdi->priv was NULL, continuing", | |
517 | __func__); | |
518 | ret = SR_ERR_BUG; | |
519 | continue; | |
520 | } | |
521 | close_dev(sdi); | |
187b3582 JH |
522 | sdi = l->data; |
523 | sr_dev_inst_free(sdi); | |
524 | } | |
525 | ||
62bc70e4 JH |
526 | g_slist_free(dev_insts); |
527 | dev_insts = NULL; | |
187b3582 | 528 | |
f4a9e5c0 | 529 | if (usb_context) |
187b3582 JH |
530 | libusb_exit(usb_context); |
531 | usb_context = NULL; | |
532 | ||
62bc70e4 | 533 | return ret; |
f302a082 JH |
534 | } |
535 | ||
772a0e61 | 536 | static void *hw_dev_info_get(int dev_index, int dev_info_id) |
f302a082 | 537 | { |
8b35f474 | 538 | struct sr_dev_inst *sdi; |
772a0e61 | 539 | struct context *ctx; |
8b35f474 | 540 | |
772a0e61 | 541 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
8b35f474 | 542 | return NULL; |
cdfdd711 | 543 | ctx = sdi->priv; |
8b35f474 | 544 | |
772a0e61 | 545 | switch (dev_info_id) { |
8b35f474 JH |
546 | case SR_DI_INST: |
547 | return sdi; | |
548 | case SR_DI_NUM_PROBES: | |
cdfdd711 | 549 | return GINT_TO_POINTER(ctx->profile->num_probes); |
8b35f474 | 550 | case SR_DI_PROBE_NAMES: |
da686568 | 551 | return probe_names; |
8b35f474 | 552 | case SR_DI_SAMPLERATES: |
590b9f9a | 553 | return &samplerates; |
8b35f474 JH |
554 | case SR_DI_TRIGGER_TYPES: |
555 | return TRIGGER_TYPES; | |
e3186647 JH |
556 | case SR_DI_CUR_SAMPLERATE: |
557 | return &ctx->cur_samplerate; | |
8b35f474 JH |
558 | } |
559 | ||
f302a082 JH |
560 | return NULL; |
561 | } | |
562 | ||
772a0e61 | 563 | static int hw_dev_status_get(int dev_index) |
f302a082 | 564 | { |
aae2fed6 | 565 | const struct sr_dev_inst *const sdi = |
772a0e61 | 566 | sr_dev_inst_get(dev_insts, dev_index); |
aae2fed6 JH |
567 | |
568 | if (!sdi) | |
569 | return SR_ST_NOT_FOUND; | |
570 | ||
571 | return sdi->status; | |
f302a082 JH |
572 | } |
573 | ||
574 | static int *hw_hwcap_get_all(void) | |
575 | { | |
da686568 | 576 | return hwcaps; |
f302a082 JH |
577 | } |
578 | ||
7cb621d4 | 579 | static int hw_dev_config_set(int dev_index, int hwcap, void *value) |
f302a082 | 580 | { |
7cb621d4 | 581 | struct sr_dev_inst *sdi; |
772a0e61 | 582 | struct context *ctx; |
7cb621d4 JH |
583 | int ret; |
584 | ||
585 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) | |
586 | return SR_ERR; | |
587 | ctx = sdi->priv; | |
588 | ||
e3186647 JH |
589 | if (hwcap == SR_HWCAP_SAMPLERATE) { |
590 | ctx->cur_samplerate = *(uint64_t *)value; | |
591 | ret = SR_OK; | |
592 | } else if (hwcap == SR_HWCAP_PROBECONFIG) { | |
6c6781b6 | 593 | ret = configure_probes(ctx, (GSList *) value); |
e3186647 | 594 | } else if (hwcap == SR_HWCAP_LIMIT_SAMPLES) { |
7cb621d4 JH |
595 | ctx->limit_samples = *(uint64_t *)value; |
596 | ret = SR_OK; | |
597 | } else { | |
598 | ret = SR_ERR; | |
599 | } | |
600 | ||
601 | return ret; | |
f302a082 JH |
602 | } |
603 | ||
1f9813eb | 604 | static int receive_data(int fd, int revents, void *cb_data) |
610dbb70 JH |
605 | { |
606 | struct timeval tv; | |
607 | ||
608 | /* Avoid compiler warnings. */ | |
609 | (void)fd; | |
610 | (void)revents; | |
1f9813eb | 611 | (void)cb_data; |
610dbb70 JH |
612 | |
613 | tv.tv_sec = tv.tv_usec = 0; | |
614 | libusb_handle_events_timeout(usb_context, &tv); | |
615 | ||
616 | return TRUE; | |
617 | } | |
618 | ||
2e526f4a | 619 | static void abort_acquisition(struct context *ctx) |
cb61e9f7 JH |
620 | { |
621 | ctx->num_samples = -1; | |
622 | } | |
623 | ||
3e6292b2 | 624 | static void finish_acquisition(struct context *ctx) |
2e526f4a JH |
625 | { |
626 | struct sr_datafeed_packet packet; | |
cb61e9f7 | 627 | int i; |
2e526f4a | 628 | |
cb61e9f7 | 629 | /* Terminate session */ |
2e526f4a JH |
630 | packet.type = SR_DF_END; |
631 | sr_session_send(ctx->session_dev_id, &packet); | |
632 | ||
cb61e9f7 JH |
633 | /* Remove fds from polling */ |
634 | const struct libusb_pollfd **const lupfd = | |
635 | libusb_get_pollfds(usb_context); | |
636 | for (i = 0; lupfd[i]; i++) | |
637 | sr_source_remove(lupfd[i]->fd); | |
638 | free(lupfd); /* NOT g_free()! */ | |
2e526f4a JH |
639 | } |
640 | ||
610dbb70 JH |
641 | static void receive_transfer(struct libusb_transfer *transfer) |
642 | { | |
643 | /* TODO: These statics have to move to the ctx struct. */ | |
610dbb70 JH |
644 | static int empty_transfer_count = 0; |
645 | struct sr_datafeed_packet packet; | |
646 | struct sr_datafeed_logic logic; | |
2e526f4a | 647 | struct context *ctx = transfer->user_data; |
6c6781b6 | 648 | int cur_buflen, trigger_offset, i; |
610dbb70 JH |
649 | unsigned char *cur_buf, *new_buf; |
650 | ||
610dbb70 JH |
651 | /* |
652 | * If acquisition has already ended, just free any queued up | |
653 | * transfer that come in. | |
654 | */ | |
2e526f4a | 655 | if (ctx->num_samples == -1) { |
610dbb70 JH |
656 | if (transfer) |
657 | libusb_free_transfer(transfer); | |
cb61e9f7 JH |
658 | |
659 | ctx->submitted_transfers--; | |
660 | if (ctx->submitted_transfers == 0) | |
661 | finish_acquisition(ctx); | |
662 | ||
610dbb70 JH |
663 | return; |
664 | } | |
665 | ||
7ae2f9d5 | 666 | sr_info("fx2lafw: receive_transfer(): status %d received %d bytes.", |
610dbb70 JH |
667 | transfer->status, transfer->actual_length); |
668 | ||
669 | /* Save incoming transfer before reusing the transfer struct. */ | |
670 | cur_buf = transfer->buffer; | |
671 | cur_buflen = transfer->actual_length; | |
610dbb70 JH |
672 | |
673 | /* Fire off a new request. */ | |
674 | if (!(new_buf = g_try_malloc(4096))) { | |
7ae2f9d5 | 675 | sr_err("fx2lafw: %s: new_buf malloc failed.", __func__); |
610dbb70 JH |
676 | return; /* TODO: SR_ERR_MALLOC */ |
677 | } | |
678 | ||
679 | transfer->buffer = new_buf; | |
680 | transfer->length = 4096; | |
681 | if (libusb_submit_transfer(transfer) != 0) { | |
682 | /* TODO: Stop session? */ | |
683 | /* TODO: Better error message. */ | |
7ae2f9d5 | 684 | sr_err("fx2lafw: %s: libusb_submit_transfer error.", __func__); |
610dbb70 JH |
685 | } |
686 | ||
687 | if (cur_buflen == 0) { | |
688 | empty_transfer_count++; | |
689 | if (empty_transfer_count > MAX_EMPTY_TRANSFERS) { | |
690 | /* | |
691 | * The FX2 gave up. End the acquisition, the frontend | |
692 | * will work out that the samplecount is short. | |
693 | */ | |
2e526f4a | 694 | abort_acquisition(ctx); |
610dbb70 JH |
695 | } |
696 | return; | |
697 | } else { | |
698 | empty_transfer_count = 0; | |
699 | } | |
700 | ||
6c6781b6 JH |
701 | trigger_offset = 0; |
702 | if (ctx->trigger_stage >= 0) { | |
703 | for (i = 0; i < cur_buflen; i++) { | |
704 | ||
705 | if ((cur_buf[i] & ctx->trigger_mask[ctx->trigger_stage]) == ctx->trigger_value[ctx->trigger_stage]) { | |
706 | /* Match on this trigger stage. */ | |
707 | ctx->trigger_buffer[ctx->trigger_stage] = cur_buf[i]; | |
708 | ctx->trigger_stage++; | |
709 | ||
710 | if (ctx->trigger_stage == NUM_TRIGGER_STAGES || ctx->trigger_mask[ctx->trigger_stage] == 0) { | |
711 | /* Match on all trigger stages, we're done. */ | |
712 | trigger_offset = i + 1; | |
713 | ||
714 | /* | |
715 | * TODO: Send pre-trigger buffer to session bus. | |
716 | * Tell the frontend we hit the trigger here. | |
717 | */ | |
718 | packet.type = SR_DF_TRIGGER; | |
719 | packet.payload = NULL; | |
720 | sr_session_send(ctx->session_dev_id, &packet); | |
721 | ||
722 | /* | |
723 | * Send the samples that triggered it, since we're | |
724 | * skipping past them. | |
725 | */ | |
726 | packet.type = SR_DF_LOGIC; | |
727 | packet.payload = &logic; | |
728 | logic.length = ctx->trigger_stage; | |
729 | logic.unitsize = 1; | |
730 | logic.data = ctx->trigger_buffer; | |
731 | sr_session_send(ctx->session_dev_id, &packet); | |
732 | ||
733 | ctx->trigger_stage = TRIGGER_FIRED; | |
734 | break; | |
735 | } | |
736 | return; | |
737 | } | |
738 | ||
739 | /* | |
740 | * We had a match before, but not in the next sample. However, we may | |
741 | * have a match on this stage in the next bit -- trigger on 0001 will | |
742 | * fail on seeing 00001, so we need to go back to stage 0 -- but at | |
743 | * the next sample from the one that matched originally, which the | |
744 | * counter increment at the end of the loop takes care of. | |
745 | */ | |
746 | if (ctx->trigger_stage > 0) { | |
747 | i -= ctx->trigger_stage; | |
748 | if (i < -1) | |
749 | i = -1; /* Oops, went back past this buffer. */ | |
750 | /* Reset trigger stage. */ | |
751 | ctx->trigger_stage = 0; | |
752 | } | |
753 | } | |
754 | } | |
610dbb70 | 755 | |
6c6781b6 JH |
756 | if (ctx->trigger_stage == TRIGGER_FIRED) { |
757 | /* Send the incoming transfer to the session bus. */ | |
758 | packet.type = SR_DF_LOGIC; | |
759 | packet.payload = &logic; | |
760 | logic.length = cur_buflen - trigger_offset; | |
761 | logic.unitsize = 1; | |
762 | logic.data = cur_buf + trigger_offset; | |
763 | sr_session_send(ctx->session_dev_id, &packet); | |
764 | g_free(cur_buf); | |
765 | ||
766 | ctx->num_samples += cur_buflen; | |
767 | if (ctx->limit_samples && | |
768 | (unsigned int)ctx->num_samples > ctx->limit_samples) { | |
769 | abort_acquisition(ctx); | |
770 | } | |
771 | } else { | |
772 | /* | |
773 | * TODO: Buffer pre-trigger data in capture | |
774 | * ratio-sized buffer. | |
775 | */ | |
610dbb70 JH |
776 | } |
777 | } | |
778 | ||
3cd3a20b | 779 | static int hw_dev_acquisition_start(int dev_index, void *cb_data) |
f302a082 | 780 | { |
610dbb70 JH |
781 | struct sr_dev_inst *sdi; |
782 | struct sr_datafeed_packet *packet; | |
783 | struct sr_datafeed_header *header; | |
772a0e61 | 784 | struct context *ctx; |
610dbb70 JH |
785 | struct libusb_transfer *transfer; |
786 | const struct libusb_pollfd **lupfd; | |
ebc34738 | 787 | int ret, size, i; |
610dbb70 JH |
788 | unsigned char *buf; |
789 | ||
790 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) | |
791 | return SR_ERR; | |
792 | ctx = sdi->priv; | |
3cd3a20b | 793 | ctx->session_dev_id = cb_data; |
2e526f4a | 794 | ctx->num_samples = 0; |
610dbb70 JH |
795 | |
796 | if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) { | |
7ae2f9d5 | 797 | sr_err("fx2lafw: %s: packet malloc failed.", __func__); |
610dbb70 JH |
798 | return SR_ERR_MALLOC; |
799 | } | |
800 | ||
801 | if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) { | |
7ae2f9d5 | 802 | sr_err("fx2lafw: %s: header malloc failed.", __func__); |
610dbb70 JH |
803 | return SR_ERR_MALLOC; |
804 | } | |
805 | ||
806 | /* Start with 2K transfer, subsequently increased to 4K. */ | |
807 | size = 2048; | |
808 | for (i = 0; i < NUM_SIMUL_TRANSFERS; i++) { | |
809 | if (!(buf = g_try_malloc(size))) { | |
7ae2f9d5 | 810 | sr_err("fx2lafw: %s: buf malloc failed.", __func__); |
610dbb70 JH |
811 | return SR_ERR_MALLOC; |
812 | } | |
813 | transfer = libusb_alloc_transfer(0); | |
814 | libusb_fill_bulk_transfer(transfer, ctx->usb->devhdl, | |
815 | 2 | LIBUSB_ENDPOINT_IN, buf, size, | |
816 | receive_transfer, ctx, 40); | |
817 | if (libusb_submit_transfer(transfer) != 0) { | |
818 | /* TODO: Free them all. */ | |
819 | libusb_free_transfer(transfer); | |
820 | g_free(buf); | |
821 | return SR_ERR; | |
822 | } | |
cb61e9f7 JH |
823 | |
824 | ctx->submitted_transfers++; | |
610dbb70 JH |
825 | size = 4096; |
826 | } | |
827 | ||
828 | lupfd = libusb_get_pollfds(usb_context); | |
829 | for (i = 0; lupfd[i]; i++) | |
830 | sr_source_add(lupfd[i]->fd, lupfd[i]->events, | |
831 | 40, receive_data, NULL); | |
832 | free(lupfd); /* NOT g_free()! */ | |
833 | ||
834 | packet->type = SR_DF_HEADER; | |
835 | packet->payload = header; | |
836 | header->feed_version = 1; | |
837 | gettimeofday(&header->starttime, NULL); | |
e3186647 | 838 | header->samplerate = ctx->cur_samplerate; |
610dbb70 | 839 | header->num_logic_probes = ctx->profile->num_probes; |
c8f2c9dd | 840 | sr_session_send(cb_data, packet); |
610dbb70 JH |
841 | g_free(header); |
842 | g_free(packet); | |
843 | ||
ebc34738 | 844 | if ((ret = command_start_acquisition (ctx->usb->devhdl, |
017375d1 | 845 | ctx->cur_samplerate)) != SR_OK) { |
ebc34738 | 846 | return ret; |
017375d1 JH |
847 | } |
848 | ||
f302a082 JH |
849 | return SR_OK; |
850 | } | |
851 | ||
3cd3a20b | 852 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ |
c8f2c9dd | 853 | static int hw_dev_acquisition_stop(int dev_index, void *cb_data) |
f302a082 | 854 | { |
2e526f4a | 855 | struct sr_dev_inst *sdi; |
5da93902 | 856 | |
f4a9e5c0 | 857 | /* Avoid compiler warnings. */ |
2e526f4a | 858 | (void)cb_data; |
5da93902 | 859 | |
2e526f4a JH |
860 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
861 | return SR_ERR; | |
862 | ||
863 | abort_acquisition(sdi->priv); | |
5da93902 | 864 | |
f302a082 JH |
865 | return SR_OK; |
866 | } | |
867 | ||
c09f0b57 | 868 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { |
f302a082 | 869 | .name = "fx2lafw", |
2e7cb004 | 870 | .longname = "fx2lafw (generic driver for FX2 based LAs)", |
f302a082 JH |
871 | .api_version = 1, |
872 | .init = hw_init, | |
873 | .cleanup = hw_cleanup, | |
874 | .dev_open = hw_dev_open, | |
875 | .dev_close = hw_dev_close, | |
876 | .dev_info_get = hw_dev_info_get, | |
877 | .dev_status_get = hw_dev_status_get, | |
878 | .hwcap_get_all = hw_hwcap_get_all, | |
879 | .dev_config_set = hw_dev_config_set, | |
880 | .dev_acquisition_start = hw_dev_acquisition_start, | |
881 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
882 | }; |