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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> | |
8b35f474 | 22 | #include <inttypes.h> |
187b3582 JH |
23 | #include <glib.h> |
24 | #include <libusb.h> | |
f302a082 JH |
25 | #include "config.h" |
26 | #include "sigrok.h" | |
27 | #include "sigrok-internal.h" | |
28 | #include "fx2lafw.h" | |
f6582cd7 | 29 | #include "command.h" |
f302a082 | 30 | |
4679d14d | 31 | static const struct fx2lafw_profile supported_fx2[] = { |
7ae2f9d5 UH |
32 | /* |
33 | * CWAV USBee AX | |
17b6c75a JH |
34 | * EE Electronics ESLA201A |
35 | */ | |
f8b07fc6 JH |
36 | { 0x08a9, 0x0014, "CWAV", "USBee AX", NULL, |
37 | FIRMWARE_DIR "/fx2lafw-cwav-usbeeax.fw", 8 }, | |
93a9f3da | 38 | |
7ae2f9d5 UH |
39 | /* |
40 | * CWAV USBee SX | |
4502e869 JH |
41 | */ |
42 | { 0x08a9, 0x0009, "CWAV", "USBee SX", NULL, | |
43 | FIRMWARE_DIR "/fx2lafw-cwav-usbeesx.fw", 8 }, | |
44 | ||
7ae2f9d5 UH |
45 | /* |
46 | * Saleae Logic | |
93a9f3da JH |
47 | * EE Electronics ESLA100 |
48 | * Robomotic MiniLogic | |
49 | */ | |
50 | { 0x0925, 0x3881, "Saleae", "Logic", NULL, | |
51 | FIRMWARE_DIR "/fx2lafw-saleae-logic.fw", 8 }, | |
52 | ||
f8b07fc6 | 53 | { 0, 0, 0, 0, 0, 0, 0 } |
187b3582 JH |
54 | }; |
55 | ||
da686568 | 56 | static int hwcaps[] = { |
8b35f474 JH |
57 | SR_HWCAP_LOGIC_ANALYZER, |
58 | SR_HWCAP_SAMPLERATE, | |
59 | ||
60 | /* These are really implemented in the driver, not the hardware. */ | |
61 | SR_HWCAP_LIMIT_SAMPLES, | |
62 | SR_HWCAP_CONTINUOUS, | |
772a0e61 | 63 | 0, |
8b35f474 JH |
64 | }; |
65 | ||
da686568 UH |
66 | /* |
67 | * TODO: Different probe_names[] for each supported device. | |
68 | */ | |
69 | static const char *probe_names[] = { | |
7ae2f9d5 UH |
70 | "0", |
71 | "1", | |
72 | "2", | |
73 | "3", | |
74 | "4", | |
75 | "5", | |
76 | "6", | |
77 | "7", | |
772a0e61 | 78 | NULL, |
8b35f474 JH |
79 | }; |
80 | ||
590b9f9a | 81 | static uint64_t supported_samplerates[] = { |
8b35f474 JH |
82 | SR_MHZ(1), |
83 | SR_MHZ(2), | |
84 | SR_MHZ(3), | |
85 | SR_MHZ(4), | |
86 | SR_MHZ(6), | |
87 | SR_MHZ(8), | |
88 | SR_MHZ(12), | |
89 | SR_MHZ(16), | |
772a0e61 | 90 | SR_MHZ(24), |
8b35f474 JH |
91 | }; |
92 | ||
590b9f9a UH |
93 | static struct sr_samplerates samplerates = { |
94 | 0, | |
95 | 0, | |
96 | 0, | |
97 | supported_samplerates, | |
8b35f474 JH |
98 | }; |
99 | ||
cac0bbaa | 100 | static GSList *dev_insts = NULL; |
187b3582 JH |
101 | static libusb_context *usb_context = NULL; |
102 | ||
f92994fd | 103 | static int hw_dev_config_set(int dev_index, int hwcap, void *value); |
da686568 | 104 | static int hw_dev_acquisition_stop(int dev_index, void *cb_data); |
610dbb70 | 105 | |
b1eeb67e JH |
106 | /** |
107 | * Check the USB configuration to determine if this is an fx2lafw device. | |
108 | * | |
f9a69557 UH |
109 | * @return TRUE if the device's configuration profile match fx2lafw |
110 | * configuration, FALSE otherwise. | |
b1eeb67e | 111 | */ |
f9a69557 | 112 | static gboolean check_conf_profile(libusb_device *dev) |
b1eeb67e JH |
113 | { |
114 | struct libusb_device_descriptor des; | |
115 | struct libusb_config_descriptor *conf_dsc = NULL; | |
116 | const struct libusb_interface_descriptor *intf_dsc; | |
f9a69557 | 117 | gboolean ret = FALSE; |
b1eeb67e JH |
118 | |
119 | while (!ret) { | |
da686568 UH |
120 | /* Assume the FW has not been loaded, unless proven wrong. */ |
121 | ret = FALSE; | |
b1eeb67e JH |
122 | |
123 | if (libusb_get_device_descriptor(dev, &des) != 0) | |
124 | break; | |
125 | ||
da686568 | 126 | /* Need exactly 1 configuration. */ |
b1eeb67e | 127 | if (des.bNumConfigurations != 1) |
b1eeb67e JH |
128 | break; |
129 | ||
130 | if (libusb_get_config_descriptor(dev, 0, &conf_dsc) != 0) | |
131 | break; | |
132 | ||
da686568 | 133 | /* Need exactly 1 interface. */ |
b1eeb67e | 134 | if (conf_dsc->bNumInterfaces != 1) |
b1eeb67e JH |
135 | break; |
136 | ||
da686568 | 137 | /* Need just one alternate setting. */ |
b1eeb67e | 138 | if (conf_dsc->interface[0].num_altsetting != 1) |
b1eeb67e JH |
139 | break; |
140 | ||
da686568 | 141 | /* Need exactly 2 endpoints. */ |
b1eeb67e | 142 | intf_dsc = &(conf_dsc->interface[0].altsetting[0]); |
9031ce63 | 143 | if (intf_dsc->bNumEndpoints != 2) |
b1eeb67e JH |
144 | break; |
145 | ||
da686568 | 146 | /* The first endpoint should be 2 (inbound). */ |
b1eeb67e | 147 | if ((intf_dsc->endpoint[0].bEndpointAddress & 0x8f) != |
da686568 | 148 | (2 | LIBUSB_ENDPOINT_IN)) |
b1eeb67e JH |
149 | break; |
150 | ||
b1eeb67e | 151 | /* If we made it here, it must be an fx2lafw. */ |
f9a69557 | 152 | ret = TRUE; |
b1eeb67e JH |
153 | } |
154 | ||
155 | if (conf_dsc) | |
156 | libusb_free_config_descriptor(conf_dsc); | |
157 | ||
158 | return ret; | |
159 | } | |
160 | ||
da686568 | 161 | static int fx2lafw_dev_open(int dev_index) |
43125c69 JH |
162 | { |
163 | libusb_device **devlist; | |
164 | struct libusb_device_descriptor des; | |
165 | struct sr_dev_inst *sdi; | |
772a0e61 | 166 | struct context *ctx; |
13bf7ecc | 167 | struct version_info vi; |
ebc34738 | 168 | int ret, skip, i; |
43125c69 JH |
169 | |
170 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) | |
171 | return SR_ERR; | |
172 | ctx = sdi->priv; | |
173 | ||
174 | if (sdi->status == SR_ST_ACTIVE) | |
175 | /* already in use */ | |
176 | return SR_ERR; | |
177 | ||
178 | skip = 0; | |
6fbe5e60 JH |
179 | const int device_count = libusb_get_device_list(usb_context, &devlist); |
180 | if (device_count < 0) { | |
181 | sr_err("fx2lafw: Failed to retrieve device list (%d)", | |
182 | device_count); | |
183 | return SR_ERR; | |
184 | } | |
185 | ||
186 | for (i = 0; i < device_count; i++) { | |
ebc34738 | 187 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { |
7ae2f9d5 UH |
188 | sr_err("fx2lafw: Failed to get device descriptor: %d.", |
189 | ret); | |
43125c69 JH |
190 | continue; |
191 | } | |
192 | ||
74fcfb80 JH |
193 | if (des.idVendor != ctx->profile->vid |
194 | || des.idProduct != ctx->profile->pid) | |
43125c69 JH |
195 | continue; |
196 | ||
197 | if (sdi->status == SR_ST_INITIALIZING) { | |
198 | if (skip != dev_index) { | |
199 | /* Skip devices of this type that aren't the one we want. */ | |
200 | skip += 1; | |
201 | continue; | |
202 | } | |
203 | } else if (sdi->status == SR_ST_INACTIVE) { | |
204 | /* | |
205 | * This device is fully enumerated, so we need to find | |
206 | * this device by vendor, product, bus and address. | |
207 | */ | |
208 | if (libusb_get_bus_number(devlist[i]) != ctx->usb->bus | |
209 | || libusb_get_device_address(devlist[i]) != ctx->usb->address) | |
210 | /* this is not the one */ | |
211 | continue; | |
212 | } | |
213 | ||
ebc34738 | 214 | if (!(ret = libusb_open(devlist[i], &ctx->usb->devhdl))) { |
43125c69 JH |
215 | if (ctx->usb->address == 0xff) |
216 | /* | |
217 | * first time we touch this device after firmware upload, | |
218 | * so we don't know the address yet. | |
219 | */ | |
220 | ctx->usb->address = libusb_get_device_address(devlist[i]); | |
43125c69 | 221 | } else { |
7ae2f9d5 | 222 | sr_err("fx2lafw: Failed to open device: %d.", ret); |
13bf7ecc JH |
223 | break; |
224 | } | |
225 | ||
44dfd483 UH |
226 | ret = command_get_fw_version(ctx->usb->devhdl, &vi); |
227 | if (ret != SR_OK) { | |
13bf7ecc | 228 | sr_err("fx2lafw: Failed to retrieve " |
44dfd483 | 229 | "firmware version information."); |
13bf7ecc | 230 | break; |
43125c69 JH |
231 | } |
232 | ||
44dfd483 UH |
233 | if (vi.major != FX2LAFW_VERSION_MAJOR || |
234 | vi.minor != FX2LAFW_VERSION_MINOR) { | |
13bf7ecc | 235 | sr_err("fx2lafw: Expected firmware version %d.%02d " |
44dfd483 UH |
236 | "got %d.%02d.", FX2LAFW_VERSION_MAJOR, |
237 | FX2LAFW_VERSION_MINOR, vi.major, vi.minor); | |
13bf7ecc JH |
238 | break; |
239 | } | |
240 | ||
241 | sdi->status = SR_ST_ACTIVE; | |
242 | sr_info("fx2lafw: Opened device %d on %d.%d " | |
243 | "interface %d, firmware version %d.%02d", | |
244 | sdi->index, ctx->usb->bus, ctx->usb->address, | |
245 | USB_INTERFACE, vi.major, vi.minor); | |
246 | ||
43125c69 JH |
247 | break; |
248 | } | |
249 | libusb_free_device_list(devlist, 1); | |
250 | ||
251 | if (sdi->status != SR_ST_ACTIVE) | |
252 | return SR_ERR; | |
253 | ||
254 | return SR_OK; | |
255 | } | |
256 | ||
f1898235 JH |
257 | static void close_dev(struct sr_dev_inst *sdi) |
258 | { | |
772a0e61 | 259 | struct context *ctx; |
f1898235 JH |
260 | |
261 | ctx = sdi->priv; | |
262 | ||
263 | if (ctx->usb->devhdl == NULL) | |
264 | return; | |
265 | ||
7ae2f9d5 UH |
266 | sr_info("fx2lafw: Closing device %d on %d.%d interface %d.", |
267 | sdi->index, ctx->usb->bus, ctx->usb->address, USB_INTERFACE); | |
f1898235 JH |
268 | libusb_release_interface(ctx->usb->devhdl, USB_INTERFACE); |
269 | libusb_close(ctx->usb->devhdl); | |
270 | ctx->usb->devhdl = NULL; | |
271 | sdi->status = SR_ST_INACTIVE; | |
272 | } | |
273 | ||
6c6781b6 JH |
274 | static int configure_probes(struct context *ctx, GSList *probes) |
275 | { | |
276 | struct sr_probe *probe; | |
277 | GSList *l; | |
278 | int probe_bit, stage, i; | |
279 | char *tc; | |
280 | ||
281 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { | |
282 | ctx->trigger_mask[i] = 0; | |
283 | ctx->trigger_value[i] = 0; | |
284 | } | |
285 | ||
286 | stage = -1; | |
287 | for (l = probes; l; l = l->next) { | |
288 | probe = (struct sr_probe *)l->data; | |
289 | if (probe->enabled == FALSE) | |
290 | continue; | |
291 | probe_bit = 1 << (probe->index - 1); | |
292 | if (!(probe->trigger)) | |
293 | continue; | |
294 | ||
295 | stage = 0; | |
296 | for (tc = probe->trigger; *tc; tc++) { | |
297 | ctx->trigger_mask[stage] |= probe_bit; | |
298 | if (*tc == '1') | |
299 | ctx->trigger_value[stage] |= probe_bit; | |
300 | stage++; | |
301 | if (stage > NUM_TRIGGER_STAGES) | |
302 | return SR_ERR; | |
303 | } | |
304 | } | |
305 | ||
306 | if (stage == -1) | |
307 | /* | |
308 | * We didn't configure any triggers, make sure acquisition | |
309 | * doesn't wait for any. | |
310 | */ | |
311 | ctx->trigger_stage = TRIGGER_FIRED; | |
312 | else | |
313 | ctx->trigger_stage = 0; | |
314 | ||
315 | return SR_OK; | |
316 | } | |
317 | ||
da686568 | 318 | static struct context *fx2lafw_dev_new(void) |
187b3582 | 319 | { |
772a0e61 | 320 | struct context *ctx; |
187b3582 | 321 | |
772a0e61 | 322 | if (!(ctx = g_try_malloc0(sizeof(struct context)))) { |
7ae2f9d5 | 323 | sr_err("fx2lafw: %s: ctx malloc failed.", __func__); |
187b3582 JH |
324 | return NULL; |
325 | } | |
326 | ||
6c6781b6 JH |
327 | ctx->trigger_stage = TRIGGER_FIRED; |
328 | ||
772a0e61 | 329 | return ctx; |
187b3582 | 330 | } |
f302a082 JH |
331 | |
332 | /* | |
333 | * API callbacks | |
334 | */ | |
335 | ||
da686568 | 336 | static int hw_init(const char *devinfo) |
f302a082 | 337 | { |
187b3582 JH |
338 | struct sr_dev_inst *sdi; |
339 | struct libusb_device_descriptor des; | |
da686568 | 340 | const struct fx2lafw_profile *prof; |
772a0e61 | 341 | struct context *ctx; |
187b3582 | 342 | libusb_device **devlist; |
ebc34738 | 343 | int ret; |
187b3582 JH |
344 | int devcnt = 0; |
345 | int i, j; | |
346 | ||
347 | /* Avoid compiler warnings. */ | |
da686568 | 348 | (void)devinfo; |
187b3582 JH |
349 | |
350 | if (libusb_init(&usb_context) != 0) { | |
7ae2f9d5 | 351 | sr_warn("fx2lafw: Failed to initialize libusb."); |
187b3582 JH |
352 | return 0; |
353 | } | |
354 | ||
7ae2f9d5 | 355 | /* Find all fx2lafw compatible devices and upload firware to them. */ |
187b3582 JH |
356 | libusb_get_device_list(usb_context, &devlist); |
357 | for (i = 0; devlist[i]; i++) { | |
358 | ||
ebc34738 | 359 | if ((ret = libusb_get_device_descriptor( |
7ae2f9d5 UH |
360 | devlist[i], &des)) != 0) { |
361 | sr_warn("fx2lafw: Failed to get device descriptor: %d.", ret); | |
187b3582 JH |
362 | continue; |
363 | } | |
364 | ||
da686568 | 365 | prof = NULL; |
187b3582 JH |
366 | for (j = 0; supported_fx2[j].vid; j++) { |
367 | if (des.idVendor == supported_fx2[j].vid && | |
368 | des.idProduct == supported_fx2[j].pid) { | |
da686568 | 369 | prof = &supported_fx2[j]; |
187b3582 JH |
370 | } |
371 | } | |
372 | ||
373 | /* Skip if the device was not found */ | |
da686568 | 374 | if (!prof) |
187b3582 JH |
375 | continue; |
376 | ||
377 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, | |
da686568 | 378 | prof->vendor, prof->model, prof->model_version); |
f4a9e5c0 | 379 | if (!sdi) |
187b3582 JH |
380 | return 0; |
381 | ||
da686568 UH |
382 | ctx = fx2lafw_dev_new(); |
383 | ctx->profile = prof; | |
90282c82 | 384 | sdi->priv = ctx; |
be4b99e8 | 385 | dev_insts = g_slist_append(dev_insts, sdi); |
187b3582 | 386 | |
b1eeb67e JH |
387 | if (check_conf_profile(devlist[i])) { |
388 | /* Already has the firmware, so fix the new address. */ | |
7ae2f9d5 | 389 | sr_dbg("fx2lafw: Found an fx2lafw device."); |
b1eeb67e JH |
390 | sdi->status = SR_ST_INACTIVE; |
391 | ctx->usb = sr_usb_dev_inst_new | |
392 | (libusb_get_bus_number(devlist[i]), | |
393 | libusb_get_device_address(devlist[i]), NULL); | |
394 | } else { | |
f8b07fc6 | 395 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
da686568 | 396 | prof->firmware) == SR_OK) |
b1eeb67e JH |
397 | /* Remember when the firmware on this device was updated */ |
398 | g_get_current_time(&ctx->fw_updated); | |
399 | else | |
7ae2f9d5 UH |
400 | sr_err("fx2lafw: Firmware upload failed for " |
401 | "device %d.", devcnt); | |
b1eeb67e JH |
402 | ctx->usb = sr_usb_dev_inst_new |
403 | (libusb_get_bus_number(devlist[i]), 0xff, NULL); | |
404 | } | |
405 | ||
187b3582 JH |
406 | devcnt++; |
407 | } | |
408 | libusb_free_device_list(devlist, 1); | |
409 | ||
410 | return devcnt; | |
f302a082 JH |
411 | } |
412 | ||
772a0e61 | 413 | static int hw_dev_open(int dev_index) |
f302a082 | 414 | { |
43125c69 JH |
415 | GTimeVal cur_time; |
416 | struct sr_dev_inst *sdi; | |
772a0e61 | 417 | struct context *ctx; |
ebc34738 | 418 | int timediff, ret; |
43125c69 | 419 | |
772a0e61 | 420 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
43125c69 JH |
421 | return SR_ERR; |
422 | ctx = sdi->priv; | |
423 | ||
424 | /* | |
44dfd483 UH |
425 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY ms |
426 | * for the FX2 to renumerate. | |
43125c69 | 427 | */ |
ebc34738 | 428 | ret = 0; |
43125c69 | 429 | if (GTV_TO_MSEC(ctx->fw_updated) > 0) { |
7ae2f9d5 | 430 | sr_info("fx2lafw: Waiting for device to reset."); |
43125c69 JH |
431 | /* takes at least 300ms for the FX2 to be gone from the USB bus */ |
432 | g_usleep(300 * 1000); | |
433 | timediff = 0; | |
434 | while (timediff < MAX_RENUM_DELAY) { | |
da686568 | 435 | if ((ret = fx2lafw_dev_open(dev_index)) == SR_OK) |
43125c69 JH |
436 | break; |
437 | g_usleep(100 * 1000); | |
438 | g_get_current_time(&cur_time); | |
439 | timediff = GTV_TO_MSEC(cur_time) - GTV_TO_MSEC(ctx->fw_updated); | |
440 | } | |
7ae2f9d5 | 441 | sr_info("fx2lafw: Device came back after %d ms.", timediff); |
43125c69 | 442 | } else { |
da686568 | 443 | ret = fx2lafw_dev_open(dev_index); |
43125c69 JH |
444 | } |
445 | ||
ebc34738 | 446 | if (ret != SR_OK) { |
7ae2f9d5 | 447 | sr_err("fx2lafw: Unable to open device."); |
43125c69 JH |
448 | return SR_ERR; |
449 | } | |
450 | ctx = sdi->priv; | |
451 | ||
ebc34738 UH |
452 | ret = libusb_claim_interface(ctx->usb->devhdl, USB_INTERFACE); |
453 | if (ret != 0) { | |
7ae2f9d5 | 454 | sr_err("fx2lafw: Unable to claim interface: %d.", ret); |
43125c69 JH |
455 | return SR_ERR; |
456 | } | |
457 | ||
f92994fd JH |
458 | if (ctx->cur_samplerate == 0) { |
459 | /* Samplerate hasn't been set; default to the slowest one. */ | |
460 | if (hw_dev_config_set(dev_index, SR_HWCAP_SAMPLERATE, | |
590b9f9a | 461 | &supported_samplerates[0]) == SR_ERR) |
f92994fd JH |
462 | return SR_ERR; |
463 | } | |
464 | ||
f302a082 JH |
465 | return SR_OK; |
466 | } | |
467 | ||
f1898235 | 468 | static int hw_dev_close(int dev_index) |
f302a082 | 469 | { |
f1898235 JH |
470 | struct sr_dev_inst *sdi; |
471 | ||
472 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { | |
7ae2f9d5 | 473 | sr_err("fx2lafw: %s: sdi was NULL.", __func__); |
0abee507 | 474 | return SR_ERR_BUG; |
f1898235 JH |
475 | } |
476 | ||
477 | /* TODO */ | |
478 | close_dev(sdi); | |
479 | ||
f302a082 JH |
480 | return SR_OK; |
481 | } | |
482 | ||
483 | static int hw_cleanup(void) | |
484 | { | |
187b3582 JH |
485 | GSList *l; |
486 | struct sr_dev_inst *sdi; | |
772a0e61 | 487 | struct context *ctx; |
62bc70e4 | 488 | int ret = SR_OK; |
187b3582 | 489 | |
f4a9e5c0 | 490 | for (l = dev_insts; l; l = l->next) { |
62bc70e4 JH |
491 | if (!(sdi = l->data)) { |
492 | /* Log error, but continue cleaning up the rest. */ | |
7ae2f9d5 UH |
493 | sr_err("fx2lafw: %s: sdi was NULL, continuing.", |
494 | __func__); | |
62bc70e4 JH |
495 | ret = SR_ERR_BUG; |
496 | continue; | |
497 | } | |
498 | if (!(ctx = sdi->priv)) { | |
499 | /* Log error, but continue cleaning up the rest. */ | |
500 | sr_err("fx2lafw: %s: sdi->priv was NULL, continuing", | |
501 | __func__); | |
502 | ret = SR_ERR_BUG; | |
503 | continue; | |
504 | } | |
505 | close_dev(sdi); | |
187b3582 JH |
506 | sdi = l->data; |
507 | sr_dev_inst_free(sdi); | |
508 | } | |
509 | ||
62bc70e4 JH |
510 | g_slist_free(dev_insts); |
511 | dev_insts = NULL; | |
187b3582 | 512 | |
f4a9e5c0 | 513 | if (usb_context) |
187b3582 JH |
514 | libusb_exit(usb_context); |
515 | usb_context = NULL; | |
516 | ||
62bc70e4 | 517 | return ret; |
f302a082 JH |
518 | } |
519 | ||
772a0e61 | 520 | static void *hw_dev_info_get(int dev_index, int dev_info_id) |
f302a082 | 521 | { |
8b35f474 | 522 | struct sr_dev_inst *sdi; |
772a0e61 | 523 | struct context *ctx; |
8b35f474 | 524 | |
772a0e61 | 525 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
8b35f474 | 526 | return NULL; |
cdfdd711 | 527 | ctx = sdi->priv; |
8b35f474 | 528 | |
772a0e61 | 529 | switch (dev_info_id) { |
8b35f474 JH |
530 | case SR_DI_INST: |
531 | return sdi; | |
532 | case SR_DI_NUM_PROBES: | |
cdfdd711 | 533 | return GINT_TO_POINTER(ctx->profile->num_probes); |
8b35f474 | 534 | case SR_DI_PROBE_NAMES: |
da686568 | 535 | return probe_names; |
8b35f474 | 536 | case SR_DI_SAMPLERATES: |
590b9f9a | 537 | return &samplerates; |
8b35f474 JH |
538 | case SR_DI_TRIGGER_TYPES: |
539 | return TRIGGER_TYPES; | |
e3186647 JH |
540 | case SR_DI_CUR_SAMPLERATE: |
541 | return &ctx->cur_samplerate; | |
8b35f474 JH |
542 | } |
543 | ||
f302a082 JH |
544 | return NULL; |
545 | } | |
546 | ||
772a0e61 | 547 | static int hw_dev_status_get(int dev_index) |
f302a082 | 548 | { |
aae2fed6 | 549 | const struct sr_dev_inst *const sdi = |
772a0e61 | 550 | sr_dev_inst_get(dev_insts, dev_index); |
aae2fed6 JH |
551 | |
552 | if (!sdi) | |
553 | return SR_ST_NOT_FOUND; | |
554 | ||
555 | return sdi->status; | |
f302a082 JH |
556 | } |
557 | ||
558 | static int *hw_hwcap_get_all(void) | |
559 | { | |
da686568 | 560 | return hwcaps; |
f302a082 JH |
561 | } |
562 | ||
7cb621d4 | 563 | static int hw_dev_config_set(int dev_index, int hwcap, void *value) |
f302a082 | 564 | { |
7cb621d4 | 565 | struct sr_dev_inst *sdi; |
772a0e61 | 566 | struct context *ctx; |
7cb621d4 JH |
567 | int ret; |
568 | ||
569 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) | |
570 | return SR_ERR; | |
571 | ctx = sdi->priv; | |
572 | ||
e3186647 JH |
573 | if (hwcap == SR_HWCAP_SAMPLERATE) { |
574 | ctx->cur_samplerate = *(uint64_t *)value; | |
575 | ret = SR_OK; | |
576 | } else if (hwcap == SR_HWCAP_PROBECONFIG) { | |
6c6781b6 | 577 | ret = configure_probes(ctx, (GSList *) value); |
e3186647 | 578 | } else if (hwcap == SR_HWCAP_LIMIT_SAMPLES) { |
7cb621d4 JH |
579 | ctx->limit_samples = *(uint64_t *)value; |
580 | ret = SR_OK; | |
581 | } else { | |
582 | ret = SR_ERR; | |
583 | } | |
584 | ||
585 | return ret; | |
f302a082 JH |
586 | } |
587 | ||
1f9813eb | 588 | static int receive_data(int fd, int revents, void *cb_data) |
610dbb70 JH |
589 | { |
590 | struct timeval tv; | |
591 | ||
592 | /* Avoid compiler warnings. */ | |
593 | (void)fd; | |
594 | (void)revents; | |
1f9813eb | 595 | (void)cb_data; |
610dbb70 JH |
596 | |
597 | tv.tv_sec = tv.tv_usec = 0; | |
598 | libusb_handle_events_timeout(usb_context, &tv); | |
599 | ||
600 | return TRUE; | |
601 | } | |
602 | ||
2e526f4a | 603 | static void abort_acquisition(struct context *ctx) |
cb61e9f7 JH |
604 | { |
605 | ctx->num_samples = -1; | |
606 | } | |
607 | ||
3e6292b2 | 608 | static void finish_acquisition(struct context *ctx) |
2e526f4a JH |
609 | { |
610 | struct sr_datafeed_packet packet; | |
cb61e9f7 | 611 | int i; |
2e526f4a | 612 | |
cb61e9f7 | 613 | /* Terminate session */ |
2e526f4a JH |
614 | packet.type = SR_DF_END; |
615 | sr_session_send(ctx->session_dev_id, &packet); | |
616 | ||
cb61e9f7 JH |
617 | /* Remove fds from polling */ |
618 | const struct libusb_pollfd **const lupfd = | |
619 | libusb_get_pollfds(usb_context); | |
620 | for (i = 0; lupfd[i]; i++) | |
621 | sr_source_remove(lupfd[i]->fd); | |
622 | free(lupfd); /* NOT g_free()! */ | |
2e526f4a JH |
623 | } |
624 | ||
610dbb70 JH |
625 | static void receive_transfer(struct libusb_transfer *transfer) |
626 | { | |
627 | /* TODO: These statics have to move to the ctx struct. */ | |
610dbb70 JH |
628 | static int empty_transfer_count = 0; |
629 | struct sr_datafeed_packet packet; | |
630 | struct sr_datafeed_logic logic; | |
2e526f4a | 631 | struct context *ctx = transfer->user_data; |
6c6781b6 | 632 | int cur_buflen, trigger_offset, i; |
610dbb70 JH |
633 | unsigned char *cur_buf, *new_buf; |
634 | ||
610dbb70 JH |
635 | /* |
636 | * If acquisition has already ended, just free any queued up | |
637 | * transfer that come in. | |
638 | */ | |
2e526f4a | 639 | if (ctx->num_samples == -1) { |
610dbb70 JH |
640 | if (transfer) |
641 | libusb_free_transfer(transfer); | |
cb61e9f7 JH |
642 | |
643 | ctx->submitted_transfers--; | |
644 | if (ctx->submitted_transfers == 0) | |
645 | finish_acquisition(ctx); | |
646 | ||
610dbb70 JH |
647 | return; |
648 | } | |
649 | ||
7ae2f9d5 | 650 | sr_info("fx2lafw: receive_transfer(): status %d received %d bytes.", |
610dbb70 JH |
651 | transfer->status, transfer->actual_length); |
652 | ||
653 | /* Save incoming transfer before reusing the transfer struct. */ | |
654 | cur_buf = transfer->buffer; | |
655 | cur_buflen = transfer->actual_length; | |
610dbb70 JH |
656 | |
657 | /* Fire off a new request. */ | |
658 | if (!(new_buf = g_try_malloc(4096))) { | |
7ae2f9d5 | 659 | sr_err("fx2lafw: %s: new_buf malloc failed.", __func__); |
610dbb70 JH |
660 | return; /* TODO: SR_ERR_MALLOC */ |
661 | } | |
662 | ||
663 | transfer->buffer = new_buf; | |
664 | transfer->length = 4096; | |
665 | if (libusb_submit_transfer(transfer) != 0) { | |
666 | /* TODO: Stop session? */ | |
667 | /* TODO: Better error message. */ | |
7ae2f9d5 | 668 | sr_err("fx2lafw: %s: libusb_submit_transfer error.", __func__); |
610dbb70 JH |
669 | } |
670 | ||
671 | if (cur_buflen == 0) { | |
672 | empty_transfer_count++; | |
673 | if (empty_transfer_count > MAX_EMPTY_TRANSFERS) { | |
674 | /* | |
675 | * The FX2 gave up. End the acquisition, the frontend | |
676 | * will work out that the samplecount is short. | |
677 | */ | |
2e526f4a | 678 | abort_acquisition(ctx); |
610dbb70 JH |
679 | } |
680 | return; | |
681 | } else { | |
682 | empty_transfer_count = 0; | |
683 | } | |
684 | ||
6c6781b6 JH |
685 | trigger_offset = 0; |
686 | if (ctx->trigger_stage >= 0) { | |
687 | for (i = 0; i < cur_buflen; i++) { | |
688 | ||
689 | if ((cur_buf[i] & ctx->trigger_mask[ctx->trigger_stage]) == ctx->trigger_value[ctx->trigger_stage]) { | |
690 | /* Match on this trigger stage. */ | |
691 | ctx->trigger_buffer[ctx->trigger_stage] = cur_buf[i]; | |
692 | ctx->trigger_stage++; | |
693 | ||
694 | if (ctx->trigger_stage == NUM_TRIGGER_STAGES || ctx->trigger_mask[ctx->trigger_stage] == 0) { | |
695 | /* Match on all trigger stages, we're done. */ | |
696 | trigger_offset = i + 1; | |
697 | ||
698 | /* | |
699 | * TODO: Send pre-trigger buffer to session bus. | |
700 | * Tell the frontend we hit the trigger here. | |
701 | */ | |
702 | packet.type = SR_DF_TRIGGER; | |
703 | packet.payload = NULL; | |
704 | sr_session_send(ctx->session_dev_id, &packet); | |
705 | ||
706 | /* | |
707 | * Send the samples that triggered it, since we're | |
708 | * skipping past them. | |
709 | */ | |
710 | packet.type = SR_DF_LOGIC; | |
711 | packet.payload = &logic; | |
712 | logic.length = ctx->trigger_stage; | |
713 | logic.unitsize = 1; | |
714 | logic.data = ctx->trigger_buffer; | |
715 | sr_session_send(ctx->session_dev_id, &packet); | |
716 | ||
717 | ctx->trigger_stage = TRIGGER_FIRED; | |
718 | break; | |
719 | } | |
720 | return; | |
721 | } | |
722 | ||
723 | /* | |
724 | * We had a match before, but not in the next sample. However, we may | |
725 | * have a match on this stage in the next bit -- trigger on 0001 will | |
726 | * fail on seeing 00001, so we need to go back to stage 0 -- but at | |
727 | * the next sample from the one that matched originally, which the | |
728 | * counter increment at the end of the loop takes care of. | |
729 | */ | |
730 | if (ctx->trigger_stage > 0) { | |
731 | i -= ctx->trigger_stage; | |
732 | if (i < -1) | |
733 | i = -1; /* Oops, went back past this buffer. */ | |
734 | /* Reset trigger stage. */ | |
735 | ctx->trigger_stage = 0; | |
736 | } | |
737 | } | |
738 | } | |
610dbb70 | 739 | |
6c6781b6 JH |
740 | if (ctx->trigger_stage == TRIGGER_FIRED) { |
741 | /* Send the incoming transfer to the session bus. */ | |
742 | packet.type = SR_DF_LOGIC; | |
743 | packet.payload = &logic; | |
744 | logic.length = cur_buflen - trigger_offset; | |
745 | logic.unitsize = 1; | |
746 | logic.data = cur_buf + trigger_offset; | |
747 | sr_session_send(ctx->session_dev_id, &packet); | |
748 | g_free(cur_buf); | |
749 | ||
750 | ctx->num_samples += cur_buflen; | |
751 | if (ctx->limit_samples && | |
752 | (unsigned int)ctx->num_samples > ctx->limit_samples) { | |
753 | abort_acquisition(ctx); | |
754 | } | |
755 | } else { | |
756 | /* | |
757 | * TODO: Buffer pre-trigger data in capture | |
758 | * ratio-sized buffer. | |
759 | */ | |
610dbb70 JH |
760 | } |
761 | } | |
762 | ||
3cd3a20b | 763 | static int hw_dev_acquisition_start(int dev_index, void *cb_data) |
f302a082 | 764 | { |
610dbb70 JH |
765 | struct sr_dev_inst *sdi; |
766 | struct sr_datafeed_packet *packet; | |
767 | struct sr_datafeed_header *header; | |
772a0e61 | 768 | struct context *ctx; |
610dbb70 JH |
769 | struct libusb_transfer *transfer; |
770 | const struct libusb_pollfd **lupfd; | |
ebc34738 | 771 | int ret, size, i; |
610dbb70 JH |
772 | unsigned char *buf; |
773 | ||
774 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) | |
775 | return SR_ERR; | |
776 | ctx = sdi->priv; | |
3cd3a20b | 777 | ctx->session_dev_id = cb_data; |
2e526f4a | 778 | ctx->num_samples = 0; |
610dbb70 JH |
779 | |
780 | if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) { | |
7ae2f9d5 | 781 | sr_err("fx2lafw: %s: packet malloc failed.", __func__); |
610dbb70 JH |
782 | return SR_ERR_MALLOC; |
783 | } | |
784 | ||
785 | if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) { | |
7ae2f9d5 | 786 | sr_err("fx2lafw: %s: header malloc failed.", __func__); |
610dbb70 JH |
787 | return SR_ERR_MALLOC; |
788 | } | |
789 | ||
790 | /* Start with 2K transfer, subsequently increased to 4K. */ | |
791 | size = 2048; | |
792 | for (i = 0; i < NUM_SIMUL_TRANSFERS; i++) { | |
793 | if (!(buf = g_try_malloc(size))) { | |
7ae2f9d5 | 794 | sr_err("fx2lafw: %s: buf malloc failed.", __func__); |
610dbb70 JH |
795 | return SR_ERR_MALLOC; |
796 | } | |
797 | transfer = libusb_alloc_transfer(0); | |
798 | libusb_fill_bulk_transfer(transfer, ctx->usb->devhdl, | |
799 | 2 | LIBUSB_ENDPOINT_IN, buf, size, | |
800 | receive_transfer, ctx, 40); | |
801 | if (libusb_submit_transfer(transfer) != 0) { | |
802 | /* TODO: Free them all. */ | |
803 | libusb_free_transfer(transfer); | |
804 | g_free(buf); | |
805 | return SR_ERR; | |
806 | } | |
cb61e9f7 JH |
807 | |
808 | ctx->submitted_transfers++; | |
610dbb70 JH |
809 | size = 4096; |
810 | } | |
811 | ||
812 | lupfd = libusb_get_pollfds(usb_context); | |
813 | for (i = 0; lupfd[i]; i++) | |
814 | sr_source_add(lupfd[i]->fd, lupfd[i]->events, | |
815 | 40, receive_data, NULL); | |
816 | free(lupfd); /* NOT g_free()! */ | |
817 | ||
818 | packet->type = SR_DF_HEADER; | |
819 | packet->payload = header; | |
820 | header->feed_version = 1; | |
821 | gettimeofday(&header->starttime, NULL); | |
e3186647 | 822 | header->samplerate = ctx->cur_samplerate; |
610dbb70 | 823 | header->num_logic_probes = ctx->profile->num_probes; |
c8f2c9dd | 824 | sr_session_send(cb_data, packet); |
610dbb70 JH |
825 | g_free(header); |
826 | g_free(packet); | |
827 | ||
ebc34738 | 828 | if ((ret = command_start_acquisition (ctx->usb->devhdl, |
017375d1 | 829 | ctx->cur_samplerate)) != SR_OK) { |
ebc34738 | 830 | return ret; |
017375d1 JH |
831 | } |
832 | ||
f302a082 JH |
833 | return SR_OK; |
834 | } | |
835 | ||
3cd3a20b | 836 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ |
c8f2c9dd | 837 | static int hw_dev_acquisition_stop(int dev_index, void *cb_data) |
f302a082 | 838 | { |
2e526f4a | 839 | struct sr_dev_inst *sdi; |
5da93902 | 840 | |
f4a9e5c0 | 841 | /* Avoid compiler warnings. */ |
2e526f4a | 842 | (void)cb_data; |
5da93902 | 843 | |
2e526f4a JH |
844 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
845 | return SR_ERR; | |
846 | ||
847 | abort_acquisition(sdi->priv); | |
5da93902 | 848 | |
f302a082 JH |
849 | return SR_OK; |
850 | } | |
851 | ||
c09f0b57 | 852 | SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { |
f302a082 | 853 | .name = "fx2lafw", |
2e7cb004 | 854 | .longname = "fx2lafw (generic driver for FX2 based LAs)", |
f302a082 JH |
855 | .api_version = 1, |
856 | .init = hw_init, | |
857 | .cleanup = hw_cleanup, | |
858 | .dev_open = hw_dev_open, | |
859 | .dev_close = hw_dev_close, | |
860 | .dev_info_get = hw_dev_info_get, | |
861 | .dev_status_get = hw_dev_status_get, | |
862 | .hwcap_get_all = hw_hwcap_get_all, | |
863 | .dev_config_set = hw_dev_config_set, | |
864 | .dev_acquisition_start = hw_dev_acquisition_start, | |
865 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
866 | }; |