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Commit | Line | Data |
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a1bb33af UH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
c73d2ea4 | 4 | * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com> |
a1bb33af UH |
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> | |
22 | #include <sys/time.h> | |
23 | #include <inttypes.h> | |
24 | #include <glib.h> | |
25 | #include <libusb.h> | |
1a081ca6 | 26 | #include "config.h" |
b7f09cf8 UH |
27 | #include "sigrok.h" |
28 | #include "sigrok-internal.h" | |
6d754b6d | 29 | #include "saleae-logic.h" |
a1bb33af | 30 | |
6d754b6d | 31 | static struct fx2_profile supported_fx2[] = { |
e10d6e32 BV |
32 | /* Saleae Logic */ |
33 | { 0x0925, 0x3881, 0x0925, 0x3881, "Saleae", "Logic", NULL, 8 }, | |
34 | /* default Cypress FX2 without EEPROM */ | |
35 | { 0x04b4, 0x8613, 0x0925, 0x3881, "Cypress", "FX2", NULL, 16 }, | |
6d754b6d | 36 | { 0, 0, 0, 0, 0, 0, 0, 0 } |
e10d6e32 BV |
37 | }; |
38 | ||
ffedd0bf | 39 | static int hwcaps[] = { |
5a2326a7 UH |
40 | SR_HWCAP_LOGIC_ANALYZER, |
41 | SR_HWCAP_SAMPLERATE, | |
a1bb33af | 42 | |
6f5f21f9 | 43 | /* These are really implemented in the driver, not the hardware. */ |
5a2326a7 UH |
44 | SR_HWCAP_LIMIT_SAMPLES, |
45 | SR_HWCAP_CONTINUOUS, | |
6f5f21f9 | 46 | 0, |
a1bb33af UH |
47 | }; |
48 | ||
d261dbbf UH |
49 | /* |
50 | * Probes are numbered 1-8. | |
51 | * | |
52 | * TODO: FX2 eval boards with the standard Cypress VID/PID can have 16 pins | |
53 | * or probes in theory, which is not supported by the Saleae Logic firmware. | |
54 | */ | |
c37d2b1b | 55 | static const char *probe_names[] = { |
464d12c7 KS |
56 | "0", |
57 | "1", | |
58 | "2", | |
59 | "3", | |
60 | "4", | |
61 | "5", | |
62 | "6", | |
63 | "7", | |
64 | "8", | |
65 | "9", | |
66 | "10", | |
67 | "11", | |
68 | "12", | |
69 | "13", | |
70 | "14", | |
71 | "15", | |
72 | NULL, | |
73 | }; | |
74 | ||
a1bb33af | 75 | static uint64_t supported_samplerates[] = { |
59df0c77 UH |
76 | SR_KHZ(200), |
77 | SR_KHZ(250), | |
78 | SR_KHZ(500), | |
79 | SR_MHZ(1), | |
80 | SR_MHZ(2), | |
81 | SR_MHZ(4), | |
82 | SR_MHZ(8), | |
83 | SR_MHZ(12), | |
84 | SR_MHZ(16), | |
85 | SR_MHZ(24), | |
6f5f21f9 | 86 | 0, |
a1bb33af UH |
87 | }; |
88 | ||
60679b18 | 89 | static struct sr_samplerates samplerates = { |
59df0c77 UH |
90 | SR_KHZ(200), |
91 | SR_MHZ(24), | |
c9140419 | 92 | SR_HZ(0), |
6f5f21f9 | 93 | supported_samplerates, |
a1bb33af UH |
94 | }; |
95 | ||
e7eb703f | 96 | /* List of struct sr_dev_inst, maintained by dev_open()/dev_close(). */ |
d68e2d1a | 97 | static GSList *dev_insts = NULL; |
6d754b6d | 98 | static libusb_context *usb_context = NULL; |
a1bb33af | 99 | |
003f9beb UH |
100 | static int new_saleae_logic_firmware = 0; |
101 | ||
a9a245b4 | 102 | static int hw_dev_config_set(int dev_index, int hwcap, void *value); |
69040b7c | 103 | static int hw_dev_acquisition_stop(int dev_index, gpointer session_dev_id); |
a1bb33af | 104 | |
28fc6de0 UH |
105 | /** |
106 | * Check the USB configuration to determine if this is a Saleae Logic. | |
107 | * | |
108 | * @return 1 if the device's configuration profile match the Logic firmware's | |
109 | * configuration, 0 otherwise. | |
a1bb33af | 110 | */ |
e5d1717e | 111 | static int check_conf_profile(libusb_device *dev) |
a1bb33af UH |
112 | { |
113 | struct libusb_device_descriptor des; | |
6f5f21f9 | 114 | struct libusb_config_descriptor *conf_dsc = NULL; |
a1bb33af | 115 | const struct libusb_interface_descriptor *intf_dsc; |
6f5f21f9 | 116 | int ret = -1; |
a1bb33af | 117 | |
6f5f21f9 UH |
118 | while (ret == -1) { |
119 | /* Assume it's not a Saleae Logic unless proven wrong. */ | |
a1bb33af UH |
120 | ret = 0; |
121 | ||
6f5f21f9 | 122 | if (libusb_get_device_descriptor(dev, &des) != 0) |
a1bb33af UH |
123 | break; |
124 | ||
6f5f21f9 UH |
125 | if (des.bNumConfigurations != 1) |
126 | /* Need exactly 1 configuration. */ | |
a1bb33af UH |
127 | break; |
128 | ||
6f5f21f9 | 129 | if (libusb_get_config_descriptor(dev, 0, &conf_dsc) != 0) |
a1bb33af UH |
130 | break; |
131 | ||
6f5f21f9 UH |
132 | if (conf_dsc->bNumInterfaces != 1) |
133 | /* Need exactly 1 interface. */ | |
a1bb33af UH |
134 | break; |
135 | ||
6f5f21f9 UH |
136 | if (conf_dsc->interface[0].num_altsetting != 1) |
137 | /* Need just one alternate setting. */ | |
a1bb33af UH |
138 | break; |
139 | ||
140 | intf_dsc = &(conf_dsc->interface[0].altsetting[0]); | |
003f9beb UH |
141 | if (intf_dsc->bNumEndpoints == 4) { |
142 | /* The new Saleae Logic firmware has 4 endpoints. */ | |
143 | new_saleae_logic_firmware = 1; | |
144 | } else if (intf_dsc->bNumEndpoints == 2) { | |
145 | /* The old Saleae Logic firmware has 2 endpoints. */ | |
146 | new_saleae_logic_firmware = 0; | |
147 | } else { | |
148 | /* Other number of endpoints -> not a Saleae Logic. */ | |
a1bb33af | 149 | break; |
003f9beb | 150 | } |
a1bb33af | 151 | |
6f5f21f9 UH |
152 | if ((intf_dsc->endpoint[0].bEndpointAddress & 0x8f) != |
153 | (1 | LIBUSB_ENDPOINT_OUT)) | |
d38cd6c1 | 154 | /* The first endpoint should be 1 (outbound). */ |
a1bb33af UH |
155 | break; |
156 | ||
6f5f21f9 UH |
157 | if ((intf_dsc->endpoint[1].bEndpointAddress & 0x8f) != |
158 | (2 | LIBUSB_ENDPOINT_IN)) | |
d38cd6c1 | 159 | /* The second endpoint should be 2 (inbound). */ |
a1bb33af UH |
160 | break; |
161 | ||
003f9beb UH |
162 | /* TODO: The new firmware has 4 endpoints... */ |
163 | ||
6f5f21f9 | 164 | /* If we made it here, it must be a Saleae Logic. */ |
a1bb33af UH |
165 | ret = 1; |
166 | } | |
6f5f21f9 UH |
167 | |
168 | if (conf_dsc) | |
a1bb33af UH |
169 | libusb_free_config_descriptor(conf_dsc); |
170 | ||
171 | return ret; | |
172 | } | |
173 | ||
bb7ef793 | 174 | static int sl_open_dev(int dev_index) |
a1bb33af | 175 | { |
a1bb33af UH |
176 | libusb_device **devlist; |
177 | struct libusb_device_descriptor des; | |
d68e2d1a | 178 | struct sr_dev_inst *sdi; |
ea9cfed7 | 179 | struct context *ctx; |
a1bb33af UH |
180 | int err, skip, i; |
181 | ||
bb7ef793 | 182 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
6d754b6d | 183 | return SR_ERR; |
ea9cfed7 | 184 | ctx = sdi->priv; |
a1bb33af | 185 | |
e10d6e32 BV |
186 | if (sdi->status == SR_ST_ACTIVE) |
187 | /* already in use */ | |
6d754b6d | 188 | return SR_ERR; |
e10d6e32 BV |
189 | |
190 | skip = 0; | |
a1bb33af | 191 | libusb_get_device_list(usb_context, &devlist); |
e10d6e32 BV |
192 | for (i = 0; devlist[i]; i++) { |
193 | if ((err = libusb_get_device_descriptor(devlist[i], &des))) { | |
7b48d6e1 | 194 | sr_err("logic: failed to get device descriptor: %d", err); |
e10d6e32 | 195 | continue; |
a1bb33af | 196 | } |
e10d6e32 | 197 | |
ea9cfed7 UH |
198 | if (des.idVendor != ctx->profile->fw_vid |
199 | || des.idProduct != ctx->profile->fw_pid) | |
e10d6e32 BV |
200 | continue; |
201 | ||
202 | if (sdi->status == SR_ST_INITIALIZING) { | |
bb7ef793 | 203 | if (skip != dev_index) { |
e10d6e32 BV |
204 | /* Skip devices of this type that aren't the one we want. */ |
205 | skip += 1; | |
206 | continue; | |
207 | } | |
208 | } else if (sdi->status == SR_ST_INACTIVE) { | |
209 | /* | |
7b48d6e1 UH |
210 | * This device is fully enumerated, so we need to find |
211 | * this device by vendor, product, bus and address. | |
e10d6e32 | 212 | */ |
ea9cfed7 UH |
213 | if (libusb_get_bus_number(devlist[i]) != ctx->usb->bus |
214 | || libusb_get_device_address(devlist[i]) != ctx->usb->address) | |
e10d6e32 BV |
215 | /* this is not the one */ |
216 | continue; | |
217 | } | |
218 | ||
ea9cfed7 UH |
219 | if (!(err = libusb_open(devlist[i], &ctx->usb->devhdl))) { |
220 | if (ctx->usb->address == 0xff) | |
e10d6e32 BV |
221 | /* |
222 | * first time we touch this device after firmware upload, | |
223 | * so we don't know the address yet. | |
224 | */ | |
ea9cfed7 | 225 | ctx->usb->address = libusb_get_device_address(devlist[i]); |
e10d6e32 BV |
226 | |
227 | sdi->status = SR_ST_ACTIVE; | |
7b48d6e1 | 228 | sr_info("logic: opened device %d on %d.%d interface %d", |
ea9cfed7 UH |
229 | sdi->index, ctx->usb->bus, |
230 | ctx->usb->address, USB_INTERFACE); | |
e10d6e32 | 231 | } else { |
7b48d6e1 | 232 | sr_err("logic: failed to open device: %d", err); |
a1bb33af | 233 | } |
6d754b6d BV |
234 | |
235 | /* if we made it here, we handled the device one way or another */ | |
236 | break; | |
a1bb33af UH |
237 | } |
238 | libusb_free_device_list(devlist, 1); | |
239 | ||
6d754b6d BV |
240 | if (sdi->status != SR_ST_ACTIVE) |
241 | return SR_ERR; | |
a1bb33af | 242 | |
6d754b6d | 243 | return SR_OK; |
a1bb33af UH |
244 | } |
245 | ||
bb7ef793 | 246 | static void close_dev(struct sr_dev_inst *sdi) |
a1bb33af | 247 | { |
ea9cfed7 | 248 | struct context *ctx; |
69890f73 | 249 | |
ea9cfed7 | 250 | ctx = sdi->priv; |
69890f73 | 251 | |
ea9cfed7 | 252 | if (ctx->usb->devhdl == NULL) |
f6958dab UH |
253 | return; |
254 | ||
7b48d6e1 | 255 | sr_info("logic: closing device %d on %d.%d interface %d", sdi->index, |
ea9cfed7 UH |
256 | ctx->usb->bus, ctx->usb->address, USB_INTERFACE); |
257 | libusb_release_interface(ctx->usb->devhdl, USB_INTERFACE); | |
258 | libusb_close(ctx->usb->devhdl); | |
259 | ctx->usb->devhdl = NULL; | |
5a2326a7 | 260 | sdi->status = SR_ST_INACTIVE; |
a1bb33af UH |
261 | } |
262 | ||
ea9cfed7 | 263 | static int configure_probes(struct context *ctx, GSList *probes) |
a1bb33af | 264 | { |
1afe8989 | 265 | struct sr_probe *probe; |
a1bb33af UH |
266 | GSList *l; |
267 | int probe_bit, stage, i; | |
268 | char *tc; | |
269 | ||
ea9cfed7 | 270 | ctx->probe_mask = 0; |
6f5f21f9 | 271 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { |
ea9cfed7 UH |
272 | ctx->trigger_mask[i] = 0; |
273 | ctx->trigger_value[i] = 0; | |
a1bb33af UH |
274 | } |
275 | ||
276 | stage = -1; | |
6f5f21f9 | 277 | for (l = probes; l; l = l->next) { |
1afe8989 | 278 | probe = (struct sr_probe *)l->data; |
6f5f21f9 | 279 | if (probe->enabled == FALSE) |
a1bb33af UH |
280 | continue; |
281 | probe_bit = 1 << (probe->index - 1); | |
ea9cfed7 | 282 | ctx->probe_mask |= probe_bit; |
989938f6 UH |
283 | if (!(probe->trigger)) |
284 | continue; | |
285 | ||
286 | stage = 0; | |
287 | for (tc = probe->trigger; *tc; tc++) { | |
ea9cfed7 | 288 | ctx->trigger_mask[stage] |= probe_bit; |
989938f6 | 289 | if (*tc == '1') |
ea9cfed7 | 290 | ctx->trigger_value[stage] |= probe_bit; |
989938f6 UH |
291 | stage++; |
292 | if (stage > NUM_TRIGGER_STAGES) | |
e46b8fb1 | 293 | return SR_ERR; |
a1bb33af UH |
294 | } |
295 | } | |
296 | ||
6f5f21f9 UH |
297 | if (stage == -1) |
298 | /* | |
299 | * We didn't configure any triggers, make sure acquisition | |
300 | * doesn't wait for any. | |
301 | */ | |
ea9cfed7 | 302 | ctx->trigger_stage = TRIGGER_FIRED; |
a1bb33af | 303 | else |
ea9cfed7 | 304 | ctx->trigger_stage = 0; |
a1bb33af | 305 | |
e46b8fb1 | 306 | return SR_OK; |
a1bb33af UH |
307 | } |
308 | ||
ea9cfed7 | 309 | static struct context *fx2_dev_new(void) |
6d754b6d | 310 | { |
ea9cfed7 | 311 | struct context *ctx; |
6d754b6d | 312 | |
ea9cfed7 UH |
313 | if (!(ctx = g_try_malloc0(sizeof(struct context)))) { |
314 | sr_err("logic: %s: ctx malloc failed", __func__); | |
6d754b6d BV |
315 | return NULL; |
316 | } | |
ea9cfed7 UH |
317 | ctx->trigger_stage = TRIGGER_FIRED; |
318 | ctx->usb = NULL; | |
6d754b6d | 319 | |
ea9cfed7 | 320 | return ctx; |
6d754b6d BV |
321 | } |
322 | ||
323 | ||
a1bb33af UH |
324 | /* |
325 | * API callbacks | |
326 | */ | |
327 | ||
bb7ef793 | 328 | static int hw_init(const char *devinfo) |
a1bb33af | 329 | { |
d68e2d1a | 330 | struct sr_dev_inst *sdi; |
a1bb33af | 331 | struct libusb_device_descriptor des; |
6d754b6d | 332 | struct fx2_profile *fx2_prof; |
ea9cfed7 | 333 | struct context *ctx; |
a1bb33af | 334 | libusb_device **devlist; |
e10d6e32 | 335 | int err, devcnt, i, j; |
a1bb33af | 336 | |
17e1afcb | 337 | /* Avoid compiler warnings. */ |
bb7ef793 | 338 | (void)devinfo; |
afc8e4de | 339 | |
6f5f21f9 | 340 | if (libusb_init(&usb_context) != 0) { |
7b48d6e1 | 341 | sr_err("logic: Failed to initialize USB."); |
a1bb33af UH |
342 | return 0; |
343 | } | |
a1bb33af | 344 | |
6f5f21f9 | 345 | /* Find all Saleae Logic devices and upload firmware to all of them. */ |
a1bb33af UH |
346 | devcnt = 0; |
347 | libusb_get_device_list(usb_context, &devlist); | |
6f5f21f9 | 348 | for (i = 0; devlist[i]; i++) { |
6d754b6d | 349 | fx2_prof = NULL; |
a1bb33af | 350 | err = libusb_get_device_descriptor(devlist[i], &des); |
6f5f21f9 | 351 | if (err != 0) { |
7b48d6e1 UH |
352 | sr_err("logic: failed to get device descriptor: %d", |
353 | err); | |
a1bb33af UH |
354 | continue; |
355 | } | |
356 | ||
e10d6e32 BV |
357 | for (j = 0; supported_fx2[j].orig_vid; j++) { |
358 | if (des.idVendor == supported_fx2[j].orig_vid | |
359 | && des.idProduct == supported_fx2[j].orig_pid) { | |
6d754b6d | 360 | fx2_prof = &supported_fx2[j]; |
e10d6e32 BV |
361 | break; |
362 | } | |
363 | } | |
6d754b6d | 364 | if (!fx2_prof) |
e10d6e32 BV |
365 | /* not a supported VID/PID */ |
366 | continue; | |
a1bb33af | 367 | |
d3683c42 | 368 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, |
6d754b6d | 369 | fx2_prof->vendor, fx2_prof->model, fx2_prof->model_version); |
f6958dab UH |
370 | if (!sdi) |
371 | return 0; | |
ea9cfed7 UH |
372 | ctx = fx2_dev_new(); |
373 | ctx->profile = fx2_prof; | |
374 | sdi->priv = ctx; | |
d68e2d1a | 375 | dev_insts = g_slist_append(dev_insts, sdi); |
6f5f21f9 | 376 | |
6d754b6d | 377 | if (check_conf_profile(devlist[i])) { |
f6958dab | 378 | /* Already has the firmware, so fix the new address. */ |
7b48d6e1 | 379 | sr_dbg("logic: Found a Saleae Logic with %s firmware.", |
003f9beb | 380 | new_saleae_logic_firmware ? "new" : "old"); |
e10d6e32 | 381 | sdi->status = SR_ST_INACTIVE; |
ea9cfed7 | 382 | ctx->usb = sr_usb_dev_inst_new |
f6958dab | 383 | (libusb_get_bus_number(devlist[i]), |
fed16f06 | 384 | libusb_get_device_address(devlist[i]), NULL); |
6d754b6d BV |
385 | } else { |
386 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, FIRMWARE) == SR_OK) | |
387 | /* Remember when the firmware on this device was updated */ | |
ea9cfed7 | 388 | g_get_current_time(&ctx->fw_updated); |
6d754b6d | 389 | else |
7b48d6e1 UH |
390 | sr_err("logic: firmware upload failed for " |
391 | "device %d", devcnt); | |
ea9cfed7 | 392 | ctx->usb = sr_usb_dev_inst_new |
6d754b6d | 393 | (libusb_get_bus_number(devlist[i]), 0xff, NULL); |
a1bb33af | 394 | } |
f6958dab | 395 | devcnt++; |
a1bb33af UH |
396 | } |
397 | libusb_free_device_list(devlist, 1); | |
398 | ||
399 | return devcnt; | |
400 | } | |
401 | ||
e7eb703f | 402 | static int hw_dev_open(int dev_index) |
a1bb33af UH |
403 | { |
404 | GTimeVal cur_time; | |
d68e2d1a | 405 | struct sr_dev_inst *sdi; |
ea9cfed7 | 406 | struct context *ctx; |
a1bb33af | 407 | int timediff, err; |
e10d6e32 | 408 | |
bb7ef793 | 409 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
6d754b6d | 410 | return SR_ERR; |
ea9cfed7 | 411 | ctx = sdi->priv; |
6d754b6d | 412 | |
e10d6e32 BV |
413 | /* |
414 | * if the firmware was recently uploaded, wait up to MAX_RENUM_DELAY ms | |
415 | * for the FX2 to renumerate | |
416 | */ | |
6d754b6d | 417 | err = 0; |
ea9cfed7 | 418 | if (GTV_TO_MSEC(ctx->fw_updated) > 0) { |
7b48d6e1 | 419 | sr_info("logic: waiting for device to reset"); |
e10d6e32 | 420 | /* takes at least 300ms for the FX2 to be gone from the USB bus */ |
7b48d6e1 | 421 | g_usleep(300 * 1000); |
e10d6e32 BV |
422 | timediff = 0; |
423 | while (timediff < MAX_RENUM_DELAY) { | |
bb7ef793 | 424 | if ((err = sl_open_dev(dev_index)) == SR_OK) |
e10d6e32 | 425 | break; |
7b48d6e1 | 426 | g_usleep(100 * 1000); |
e10d6e32 | 427 | g_get_current_time(&cur_time); |
ea9cfed7 | 428 | timediff = GTV_TO_MSEC(cur_time) - GTV_TO_MSEC(ctx->fw_updated); |
a1bb33af | 429 | } |
7b48d6e1 | 430 | sr_info("logic: device came back after %d ms", timediff); |
e10d6e32 | 431 | } else { |
bb7ef793 | 432 | err = sl_open_dev(dev_index); |
a1bb33af UH |
433 | } |
434 | ||
6d754b6d | 435 | if (err != SR_OK) { |
7b48d6e1 | 436 | sr_err("logic: unable to open device"); |
e46b8fb1 | 437 | return SR_ERR; |
a1bb33af | 438 | } |
ea9cfed7 | 439 | ctx = sdi->priv; |
a1bb33af | 440 | |
ea9cfed7 | 441 | err = libusb_claim_interface(ctx->usb->devhdl, USB_INTERFACE); |
6f5f21f9 | 442 | if (err != 0) { |
7b48d6e1 | 443 | sr_err("logic: Unable to claim interface: %d", err); |
e46b8fb1 | 444 | return SR_ERR; |
a1bb33af UH |
445 | } |
446 | ||
ea9cfed7 | 447 | if (ctx->cur_samplerate == 0) { |
6f5f21f9 | 448 | /* Samplerate hasn't been set; default to the slowest one. */ |
a9a245b4 | 449 | if (hw_dev_config_set(dev_index, SR_HWCAP_SAMPLERATE, |
e46b8fb1 UH |
450 | &supported_samplerates[0]) == SR_ERR) |
451 | return SR_ERR; | |
a1bb33af UH |
452 | } |
453 | ||
e46b8fb1 | 454 | return SR_OK; |
a1bb33af UH |
455 | } |
456 | ||
e7eb703f | 457 | static int hw_dev_close(int dev_index) |
a1bb33af | 458 | { |
d68e2d1a | 459 | struct sr_dev_inst *sdi; |
a1bb33af | 460 | |
bb7ef793 | 461 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { |
697785d1 UH |
462 | sr_err("logic: %s: sdi was NULL", __func__); |
463 | return SR_ERR; /* TODO: SR_ERR_ARG? */ | |
464 | } | |
465 | ||
466 | /* TODO */ | |
bb7ef793 | 467 | close_dev(sdi); |
697785d1 UH |
468 | |
469 | return SR_OK; | |
a1bb33af UH |
470 | } |
471 | ||
57ab7d9f | 472 | static int hw_cleanup(void) |
a1bb33af UH |
473 | { |
474 | GSList *l; | |
d68e2d1a | 475 | struct sr_dev_inst *sdi; |
ea9cfed7 | 476 | struct context *ctx; |
57ab7d9f | 477 | int ret = SR_OK; |
a1bb33af | 478 | |
69890f73 | 479 | /* Properly close and free all devices. */ |
d68e2d1a | 480 | for (l = dev_insts; l; l = l->next) { |
57ab7d9f UH |
481 | if (!(sdi = l->data)) { |
482 | /* Log error, but continue cleaning up the rest. */ | |
7b48d6e1 | 483 | sr_err("logic: %s: sdi was NULL, continuing", __func__); |
57ab7d9f UH |
484 | ret = SR_ERR_BUG; |
485 | continue; | |
486 | } | |
ea9cfed7 | 487 | if (!(ctx = sdi->priv)) { |
57ab7d9f | 488 | /* Log error, but continue cleaning up the rest. */ |
7b48d6e1 | 489 | sr_err("logic: %s: sdi->priv was NULL, continuing", |
57ab7d9f UH |
490 | __func__); |
491 | ret = SR_ERR_BUG; | |
492 | continue; | |
493 | } | |
bb7ef793 | 494 | close_dev(sdi); |
ea9cfed7 | 495 | sr_usb_dev_inst_free(ctx->usb); |
d3683c42 | 496 | sr_dev_inst_free(sdi); |
69890f73 | 497 | } |
a1bb33af | 498 | |
d68e2d1a UH |
499 | g_slist_free(dev_insts); |
500 | dev_insts = NULL; | |
a1bb33af | 501 | |
6f5f21f9 | 502 | if (usb_context) |
a1bb33af UH |
503 | libusb_exit(usb_context); |
504 | usb_context = NULL; | |
57ab7d9f UH |
505 | |
506 | return ret; | |
a1bb33af UH |
507 | } |
508 | ||
5097b0d0 | 509 | static void *hw_dev_info_get(int dev_index, int dev_info_id) |
a1bb33af | 510 | { |
d68e2d1a | 511 | struct sr_dev_inst *sdi; |
ea9cfed7 | 512 | struct context *ctx; |
6f5f21f9 | 513 | void *info = NULL; |
a1bb33af | 514 | |
bb7ef793 | 515 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
a1bb33af | 516 | return NULL; |
ea9cfed7 | 517 | ctx = sdi->priv; |
a1bb33af | 518 | |
bb7ef793 | 519 | switch (dev_info_id) { |
1d9a8a5f | 520 | case SR_DI_INST: |
a1bb33af UH |
521 | info = sdi; |
522 | break; | |
5a2326a7 | 523 | case SR_DI_NUM_PROBES: |
ea9cfed7 | 524 | info = GINT_TO_POINTER(ctx->profile->num_probes); |
a1bb33af | 525 | break; |
464d12c7 KS |
526 | case SR_DI_PROBE_NAMES: |
527 | info = probe_names; | |
528 | break; | |
5a2326a7 | 529 | case SR_DI_SAMPLERATES: |
a1bb33af UH |
530 | info = &samplerates; |
531 | break; | |
5a2326a7 | 532 | case SR_DI_TRIGGER_TYPES: |
a1bb33af UH |
533 | info = TRIGGER_TYPES; |
534 | break; | |
5a2326a7 | 535 | case SR_DI_CUR_SAMPLERATE: |
ea9cfed7 | 536 | info = &ctx->cur_samplerate; |
a1bb33af UH |
537 | break; |
538 | } | |
539 | ||
540 | return info; | |
541 | } | |
542 | ||
e7eb703f | 543 | static int hw_dev_status_get(int dev_index) |
a1bb33af | 544 | { |
d68e2d1a | 545 | struct sr_dev_inst *sdi; |
a1bb33af | 546 | |
bb7ef793 | 547 | sdi = sr_dev_inst_get(dev_insts, dev_index); |
6f5f21f9 | 548 | if (sdi) |
a1bb33af UH |
549 | return sdi->status; |
550 | else | |
5a2326a7 | 551 | return SR_ST_NOT_FOUND; |
a1bb33af UH |
552 | } |
553 | ||
ffedd0bf | 554 | static int *hw_hwcap_get_all(void) |
a1bb33af | 555 | { |
ffedd0bf | 556 | return hwcaps; |
a1bb33af UH |
557 | } |
558 | ||
003f9beb UH |
559 | static uint8_t new_firmware_divider_value(uint64_t samplerate) |
560 | { | |
561 | switch (samplerate) { | |
562 | case SR_MHZ(24): | |
563 | return 0xe0; | |
564 | break; | |
565 | case SR_MHZ(16): | |
566 | return 0xd5; | |
567 | break; | |
568 | case SR_MHZ(12): | |
569 | return 0xe2; | |
570 | break; | |
571 | case SR_MHZ(8): | |
572 | return 0xd4; | |
573 | break; | |
574 | case SR_MHZ(4): | |
575 | return 0xda; | |
576 | break; | |
577 | case SR_MHZ(2): | |
578 | return 0xe6; | |
579 | break; | |
580 | case SR_MHZ(1): | |
581 | return 0x8e; | |
582 | break; | |
583 | case SR_KHZ(500): | |
584 | return 0xfe; | |
585 | break; | |
586 | case SR_KHZ(250): | |
587 | return 0x9e; | |
588 | break; | |
589 | case SR_KHZ(200): | |
590 | return 0x4e; | |
591 | break; | |
592 | } | |
593 | ||
594 | /* Shouldn't happen. */ | |
7b48d6e1 | 595 | sr_err("logic: %s: Invalid samplerate %" PRIu64 "", |
003f9beb UH |
596 | __func__, samplerate); |
597 | return 0; | |
598 | } | |
599 | ||
a9a245b4 | 600 | static int set_samplerate(struct sr_dev_inst *sdi, uint64_t samplerate) |
a1bb33af | 601 | { |
ea9cfed7 | 602 | struct context *ctx; |
a1bb33af UH |
603 | uint8_t divider; |
604 | int ret, result, i; | |
605 | unsigned char buf[2]; | |
606 | ||
ea9cfed7 | 607 | ctx = sdi->priv; |
6f5f21f9 UH |
608 | for (i = 0; supported_samplerates[i]; i++) { |
609 | if (supported_samplerates[i] == samplerate) | |
a1bb33af UH |
610 | break; |
611 | } | |
6f5f21f9 | 612 | if (supported_samplerates[i] == 0) |
e46b8fb1 | 613 | return SR_ERR_SAMPLERATE; |
a1bb33af | 614 | |
003f9beb UH |
615 | if (new_saleae_logic_firmware) |
616 | divider = new_firmware_divider_value(samplerate); | |
617 | else | |
618 | divider = (uint8_t) (48 / (samplerate / 1000000.0)) - 1; | |
a1bb33af | 619 | |
7b48d6e1 | 620 | sr_info("logic: setting samplerate to %" PRIu64 " Hz (divider %d)", |
b08024a8 | 621 | samplerate, divider); |
003f9beb UH |
622 | |
623 | buf[0] = (new_saleae_logic_firmware) ? 0xd5 : 0x01; | |
a1bb33af | 624 | buf[1] = divider; |
ea9cfed7 | 625 | ret = libusb_bulk_transfer(ctx->usb->devhdl, 1 | LIBUSB_ENDPOINT_OUT, |
6f5f21f9 UH |
626 | buf, 2, &result, 500); |
627 | if (ret != 0) { | |
7b48d6e1 | 628 | sr_err("logic: failed to set samplerate: %d", ret); |
e46b8fb1 | 629 | return SR_ERR; |
a1bb33af | 630 | } |
ea9cfed7 | 631 | ctx->cur_samplerate = samplerate; |
a1bb33af | 632 | |
e46b8fb1 | 633 | return SR_OK; |
a1bb33af UH |
634 | } |
635 | ||
a9a245b4 | 636 | static int hw_dev_config_set(int dev_index, int hwcap, void *value) |
a1bb33af | 637 | { |
d68e2d1a | 638 | struct sr_dev_inst *sdi; |
ea9cfed7 | 639 | struct context *ctx; |
a1bb33af | 640 | int ret; |
a1bb33af | 641 | |
bb7ef793 | 642 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
e46b8fb1 | 643 | return SR_ERR; |
ea9cfed7 | 644 | ctx = sdi->priv; |
a1bb33af | 645 | |
ffedd0bf | 646 | if (hwcap == SR_HWCAP_SAMPLERATE) { |
ee61b340 | 647 | ret = set_samplerate(sdi, *(uint64_t *)value); |
ffedd0bf | 648 | } else if (hwcap == SR_HWCAP_PROBECONFIG) { |
ea9cfed7 | 649 | ret = configure_probes(ctx, (GSList *) value); |
ffedd0bf | 650 | } else if (hwcap == SR_HWCAP_LIMIT_SAMPLES) { |
ea9cfed7 | 651 | ctx->limit_samples = *(uint64_t *)value; |
e46b8fb1 | 652 | ret = SR_OK; |
6f5f21f9 | 653 | } else { |
e46b8fb1 | 654 | ret = SR_ERR; |
6f5f21f9 | 655 | } |
a1bb33af UH |
656 | |
657 | return ret; | |
658 | } | |
659 | ||
a1bb33af UH |
660 | static int receive_data(int fd, int revents, void *user_data) |
661 | { | |
662 | struct timeval tv; | |
663 | ||
17e1afcb | 664 | /* Avoid compiler warnings. */ |
cb93f8a9 UH |
665 | (void)fd; |
666 | (void)revents; | |
667 | (void)user_data; | |
afc8e4de | 668 | |
a1bb33af UH |
669 | tv.tv_sec = tv.tv_usec = 0; |
670 | libusb_handle_events_timeout(usb_context, &tv); | |
671 | ||
672 | return TRUE; | |
673 | } | |
674 | ||
a0ecd83b | 675 | static void receive_transfer(struct libusb_transfer *transfer) |
a1bb33af | 676 | { |
ea9cfed7 | 677 | /* TODO: These statics have to move to the ctx struct. */ |
a1bb33af UH |
678 | static int num_samples = 0; |
679 | static int empty_transfer_count = 0; | |
b9c735a2 | 680 | struct sr_datafeed_packet packet; |
9c939c51 | 681 | struct sr_datafeed_logic logic; |
ea9cfed7 | 682 | struct context *ctx; |
a1bb33af UH |
683 | int cur_buflen, trigger_offset, i; |
684 | unsigned char *cur_buf, *new_buf; | |
685 | ||
69040b7c | 686 | /* hw_dev_acquisition_stop() is telling us to stop. */ |
f6958dab | 687 | if (transfer == NULL) |
a1bb33af | 688 | num_samples = -1; |
a1bb33af | 689 | |
f6958dab UH |
690 | /* |
691 | * If acquisition has already ended, just free any queued up | |
692 | * transfer that come in. | |
693 | */ | |
6f5f21f9 | 694 | if (num_samples == -1) { |
9c48090a BV |
695 | if (transfer) |
696 | libusb_free_transfer(transfer); | |
f6958dab UH |
697 | return; |
698 | } | |
a1bb33af | 699 | |
7b48d6e1 | 700 | sr_info("logic: receive_transfer(): status %d received %d bytes", |
b08024a8 | 701 | transfer->status, transfer->actual_length); |
f6958dab UH |
702 | |
703 | /* Save incoming transfer before reusing the transfer struct. */ | |
704 | cur_buf = transfer->buffer; | |
705 | cur_buflen = transfer->actual_length; | |
ea9cfed7 | 706 | ctx = transfer->user_data; |
f6958dab UH |
707 | |
708 | /* Fire off a new request. */ | |
b53738ba | 709 | if (!(new_buf = g_try_malloc(4096))) { |
7b48d6e1 | 710 | sr_err("logic: %s: new_buf malloc failed", __func__); |
133a37bf | 711 | return; /* TODO: SR_ERR_MALLOC */ |
b53738ba UH |
712 | } |
713 | ||
f6958dab UH |
714 | transfer->buffer = new_buf; |
715 | transfer->length = 4096; | |
716 | if (libusb_submit_transfer(transfer) != 0) { | |
717 | /* TODO: Stop session? */ | |
7b48d6e1 UH |
718 | /* TODO: Better error message. */ |
719 | sr_err("logic: %s: libusb_submit_transfer error", __func__); | |
f6958dab UH |
720 | } |
721 | ||
722 | if (cur_buflen == 0) { | |
723 | empty_transfer_count++; | |
724 | if (empty_transfer_count > MAX_EMPTY_TRANSFERS) { | |
725 | /* | |
726 | * The FX2 gave up. End the acquisition, the frontend | |
727 | * will work out that the samplecount is short. | |
728 | */ | |
ea9cfed7 | 729 | hw_dev_acquisition_stop(-1, ctx->session_data); |
6f5f21f9 | 730 | } |
f6958dab UH |
731 | return; |
732 | } else { | |
733 | empty_transfer_count = 0; | |
734 | } | |
a1bb33af | 735 | |
f6958dab | 736 | trigger_offset = 0; |
ea9cfed7 | 737 | if (ctx->trigger_stage >= 0) { |
f6958dab | 738 | for (i = 0; i < cur_buflen; i++) { |
b5698bd7 | 739 | |
ea9cfed7 | 740 | if ((cur_buf[i] & ctx->trigger_mask[ctx->trigger_stage]) == ctx->trigger_value[ctx->trigger_stage]) { |
b5698bd7 | 741 | /* Match on this trigger stage. */ |
ea9cfed7 UH |
742 | ctx->trigger_buffer[ctx->trigger_stage] = cur_buf[i]; |
743 | ctx->trigger_stage++; | |
a634574e | 744 | |
ea9cfed7 | 745 | if (ctx->trigger_stage == NUM_TRIGGER_STAGES || ctx->trigger_mask[ctx->trigger_stage] == 0) { |
b5698bd7 BV |
746 | /* Match on all trigger stages, we're done. */ |
747 | trigger_offset = i + 1; | |
748 | ||
749 | /* | |
750 | * TODO: Send pre-trigger buffer to session bus. | |
751 | * Tell the frontend we hit the trigger here. | |
752 | */ | |
5a2326a7 | 753 | packet.type = SR_DF_TRIGGER; |
9c939c51 | 754 | packet.payload = NULL; |
ea9cfed7 | 755 | sr_session_bus(ctx->session_data, &packet); |
b5698bd7 BV |
756 | |
757 | /* | |
758 | * Send the samples that triggered it, since we're | |
759 | * skipping past them. | |
760 | */ | |
5a2326a7 | 761 | packet.type = SR_DF_LOGIC; |
9c939c51 | 762 | packet.payload = &logic; |
ea9cfed7 | 763 | logic.length = ctx->trigger_stage; |
9c939c51 | 764 | logic.unitsize = 1; |
ea9cfed7 UH |
765 | logic.data = ctx->trigger_buffer; |
766 | sr_session_bus(ctx->session_data, &packet); | |
b5698bd7 | 767 | |
ea9cfed7 | 768 | ctx->trigger_stage = TRIGGER_FIRED; |
b5698bd7 BV |
769 | break; |
770 | } | |
771 | return; | |
772 | } | |
773 | ||
774 | /* | |
775 | * We had a match before, but not in the next sample. However, we may | |
776 | * have a match on this stage in the next bit -- trigger on 0001 will | |
777 | * fail on seeing 00001, so we need to go back to stage 0 -- but at | |
778 | * the next sample from the one that matched originally, which the | |
779 | * counter increment at the end of the loop takes care of. | |
780 | */ | |
ea9cfed7 UH |
781 | if (ctx->trigger_stage > 0) { |
782 | i -= ctx->trigger_stage; | |
b5698bd7 BV |
783 | if (i < -1) |
784 | i = -1; /* Oops, went back past this buffer. */ | |
785 | /* Reset trigger stage. */ | |
ea9cfed7 | 786 | ctx->trigger_stage = 0; |
b5698bd7 | 787 | } |
a1bb33af | 788 | } |
f6958dab | 789 | } |
a1bb33af | 790 | |
ea9cfed7 | 791 | if (ctx->trigger_stage == TRIGGER_FIRED) { |
f6958dab | 792 | /* Send the incoming transfer to the session bus. */ |
5a2326a7 | 793 | packet.type = SR_DF_LOGIC; |
9c939c51 BV |
794 | packet.payload = &logic; |
795 | logic.length = cur_buflen - trigger_offset; | |
796 | logic.unitsize = 1; | |
797 | logic.data = cur_buf + trigger_offset; | |
ea9cfed7 | 798 | sr_session_bus(ctx->session_data, &packet); |
f6958dab UH |
799 | g_free(cur_buf); |
800 | ||
801 | num_samples += cur_buflen; | |
ea9cfed7 UH |
802 | if (ctx->limit_samples && (unsigned int) num_samples > ctx->limit_samples) { |
803 | hw_dev_acquisition_stop(-1, ctx->session_data); | |
a1bb33af | 804 | } |
f6958dab UH |
805 | } else { |
806 | /* | |
807 | * TODO: Buffer pre-trigger data in capture | |
808 | * ratio-sized buffer. | |
809 | */ | |
a1bb33af | 810 | } |
a1bb33af UH |
811 | } |
812 | ||
69040b7c | 813 | static int hw_dev_acquisition_start(int dev_index, gpointer session_data) |
a1bb33af | 814 | { |
d68e2d1a | 815 | struct sr_dev_inst *sdi; |
b9c735a2 UH |
816 | struct sr_datafeed_packet *packet; |
817 | struct sr_datafeed_header *header; | |
ea9cfed7 | 818 | struct context *ctx; |
a1bb33af UH |
819 | struct libusb_transfer *transfer; |
820 | const struct libusb_pollfd **lupfd; | |
821 | int size, i; | |
822 | unsigned char *buf; | |
823 | ||
bb7ef793 | 824 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
e46b8fb1 | 825 | return SR_ERR; |
ea9cfed7 UH |
826 | ctx = sdi->priv; |
827 | ctx->session_data = session_data; | |
a1bb33af | 828 | |
b53738ba | 829 | if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) { |
7b48d6e1 | 830 | sr_err("logic: %s: packet malloc failed", __func__); |
b53738ba UH |
831 | return SR_ERR_MALLOC; |
832 | } | |
9c939c51 | 833 | |
b53738ba | 834 | if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) { |
7b48d6e1 | 835 | sr_err("logic: %s: header malloc failed", __func__); |
b53738ba UH |
836 | return SR_ERR_MALLOC; |
837 | } | |
a1bb33af | 838 | |
6f5f21f9 | 839 | /* Start with 2K transfer, subsequently increased to 4K. */ |
a1bb33af | 840 | size = 2048; |
6f5f21f9 | 841 | for (i = 0; i < NUM_SIMUL_TRANSFERS; i++) { |
b53738ba | 842 | if (!(buf = g_try_malloc(size))) { |
7b48d6e1 | 843 | sr_err("logic: %s: buf malloc failed", __func__); |
b53738ba UH |
844 | return SR_ERR_MALLOC; |
845 | } | |
a1bb33af | 846 | transfer = libusb_alloc_transfer(0); |
ea9cfed7 | 847 | libusb_fill_bulk_transfer(transfer, ctx->usb->devhdl, |
6f5f21f9 | 848 | 2 | LIBUSB_ENDPOINT_IN, buf, size, |
ea9cfed7 | 849 | receive_transfer, ctx, 40); |
6f5f21f9 UH |
850 | if (libusb_submit_transfer(transfer) != 0) { |
851 | /* TODO: Free them all. */ | |
a1bb33af UH |
852 | libusb_free_transfer(transfer); |
853 | g_free(buf); | |
e46b8fb1 | 854 | return SR_ERR; |
a1bb33af UH |
855 | } |
856 | size = 4096; | |
857 | } | |
858 | ||
859 | lupfd = libusb_get_pollfds(usb_context); | |
6f5f21f9 | 860 | for (i = 0; lupfd[i]; i++) |
6f1be0a2 UH |
861 | sr_source_add(lupfd[i]->fd, lupfd[i]->events, 40, receive_data, |
862 | NULL); | |
133a37bf | 863 | free(lupfd); /* NOT g_free()! */ |
a1bb33af | 864 | |
5a2326a7 | 865 | packet->type = SR_DF_HEADER; |
9c939c51 | 866 | packet->payload = header; |
a1bb33af UH |
867 | header->feed_version = 1; |
868 | gettimeofday(&header->starttime, NULL); | |
ea9cfed7 UH |
869 | header->samplerate = ctx->cur_samplerate; |
870 | header->num_logic_probes = ctx->profile->num_probes; | |
6d754b6d | 871 | sr_session_bus(session_data, packet); |
a1bb33af UH |
872 | g_free(header); |
873 | g_free(packet); | |
874 | ||
e46b8fb1 | 875 | return SR_OK; |
a1bb33af UH |
876 | } |
877 | ||
bb7ef793 | 878 | /* This stops acquisition on ALL devices, ignoring dev_index. */ |
69040b7c | 879 | static int hw_dev_acquisition_stop(int dev_index, gpointer session_data) |
a1bb33af | 880 | { |
b9c735a2 | 881 | struct sr_datafeed_packet packet; |
a1bb33af | 882 | |
17e1afcb | 883 | /* Avoid compiler warnings. */ |
bb7ef793 | 884 | (void)dev_index; |
afc8e4de | 885 | |
5a2326a7 | 886 | packet.type = SR_DF_END; |
6d754b6d | 887 | sr_session_bus(session_data, &packet); |
a1bb33af UH |
888 | |
889 | receive_transfer(NULL); | |
890 | ||
6f5f21f9 | 891 | /* TODO: Need to cancel and free any queued up transfers. */ |
3010f21c UH |
892 | |
893 | return SR_OK; | |
a1bb33af UH |
894 | } |
895 | ||
bb7ef793 | 896 | SR_PRIV struct sr_dev_plugin saleae_logic_plugin_info = { |
e519ba86 UH |
897 | .name = "saleae-logic", |
898 | .longname = "Saleae Logic", | |
899 | .api_version = 1, | |
900 | .init = hw_init, | |
901 | .cleanup = hw_cleanup, | |
e7eb703f UH |
902 | .dev_open = hw_dev_open, |
903 | .dev_close = hw_dev_close, | |
5097b0d0 | 904 | .dev_info_get = hw_dev_info_get, |
e7eb703f | 905 | .dev_status_get = hw_dev_status_get, |
ffedd0bf | 906 | .hwcap_get_all = hw_hwcap_get_all, |
a9a245b4 | 907 | .dev_config_set = hw_dev_config_set, |
69040b7c UH |
908 | .dev_acquisition_start = hw_dev_acquisition_start, |
909 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
a1bb33af | 910 | }; |