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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com> | |
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 "protocol.h" | |
21 | ||
22 | #define VENDOR_NAME "ZEROPLUS" | |
23 | #define USB_INTERFACE 0 | |
24 | #define USB_CONFIGURATION 1 | |
25 | #define NUM_TRIGGER_STAGES 4 | |
26 | #define TRIGGER_TYPE "01" | |
27 | #define PACKET_SIZE 2048 /* ?? */ | |
28 | ||
29 | //#define ZP_EXPERIMENTAL | |
30 | ||
31 | struct zp_model { | |
32 | uint16_t vid; | |
33 | uint16_t pid; | |
34 | char *model_name; | |
35 | unsigned int channels; | |
36 | unsigned int sample_depth; /* In Ksamples/channel */ | |
37 | unsigned int max_sampling_freq; | |
38 | }; | |
39 | ||
40 | /* | |
41 | * Note -- 16032, 16064 and 16128 *usually* -- but not always -- have the | |
42 | * same 128K sample depth. | |
43 | */ | |
44 | static const struct zp_model zeroplus_models[] = { | |
45 | {0x0c12, 0x7002, "LAP-16128U", 16, 128, 200}, | |
46 | {0x0c12, 0x7009, "LAP-C(16064)", 16, 64, 100}, | |
47 | {0x0c12, 0x700a, "LAP-C(16128)", 16, 128, 200}, | |
48 | /* TODO: We don't know anything about these. | |
49 | {0x0c12, 0x700b, "LAP-C(32128)", 32, 128, 200}, | |
50 | {0x0c12, 0x700c, "LAP-C(321000)", 32, 1024, 200}, | |
51 | {0x0c12, 0x700d, "LAP-C(322000)", 32, 2048, 200}, | |
52 | */ | |
53 | {0x0c12, 0x700e, "LAP-C(16032)", 16, 32, 100}, | |
54 | {0x0c12, 0x7016, "LAP-C(162000)", 16, 2048, 200}, | |
55 | { 0, 0, 0, 0, 0, 0 } | |
56 | }; | |
57 | ||
58 | static const int32_t hwcaps[] = { | |
59 | SR_CONF_LOGIC_ANALYZER, | |
60 | SR_CONF_SAMPLERATE, | |
61 | SR_CONF_CAPTURE_RATIO, | |
62 | SR_CONF_LIMIT_SAMPLES, | |
63 | }; | |
64 | ||
65 | /* | |
66 | * ZEROPLUS LAP-C (16032) numbers the 16 probes A0-A7 and B0-B7. | |
67 | * We currently ignore other untested/unsupported devices here. | |
68 | */ | |
69 | static const char *probe_names[] = { | |
70 | "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", | |
71 | "B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7", | |
72 | NULL, | |
73 | }; | |
74 | ||
75 | SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info; | |
76 | static struct sr_dev_driver *di = &zeroplus_logic_cube_driver_info; | |
77 | ||
78 | /* | |
79 | * The hardware supports more samplerates than these, but these are the | |
80 | * options hardcoded into the vendor's Windows GUI. | |
81 | */ | |
82 | ||
83 | static const uint64_t samplerates_100[] = { | |
84 | SR_HZ(100), | |
85 | SR_HZ(500), | |
86 | SR_KHZ(1), | |
87 | SR_KHZ(5), | |
88 | SR_KHZ(25), | |
89 | SR_KHZ(50), | |
90 | SR_KHZ(100), | |
91 | SR_KHZ(200), | |
92 | SR_KHZ(400), | |
93 | SR_KHZ(800), | |
94 | SR_MHZ(1), | |
95 | SR_MHZ(10), | |
96 | SR_MHZ(25), | |
97 | SR_MHZ(50), | |
98 | SR_MHZ(80), | |
99 | SR_MHZ(100), | |
100 | }; | |
101 | ||
102 | const uint64_t samplerates_200[] = { | |
103 | SR_HZ(100), | |
104 | SR_HZ(500), | |
105 | SR_KHZ(1), | |
106 | SR_KHZ(5), | |
107 | SR_KHZ(25), | |
108 | SR_KHZ(50), | |
109 | SR_KHZ(100), | |
110 | SR_KHZ(200), | |
111 | SR_KHZ(400), | |
112 | SR_KHZ(800), | |
113 | SR_MHZ(1), | |
114 | SR_MHZ(10), | |
115 | SR_MHZ(25), | |
116 | SR_MHZ(50), | |
117 | SR_MHZ(80), | |
118 | SR_MHZ(100), | |
119 | SR_MHZ(150), | |
120 | SR_MHZ(200), | |
121 | }; | |
122 | ||
123 | static int dev_close(struct sr_dev_inst *sdi); | |
124 | ||
125 | #if 0 | |
126 | static int configure_probes(const struct sr_dev_inst *sdi) | |
127 | { | |
128 | struct dev_context *devc; | |
129 | const struct sr_probe *probe; | |
130 | const GSList *l; | |
131 | int probe_bit, stage, i; | |
132 | char *tc; | |
133 | ||
134 | /* Note: sdi and sdi->priv are non-NULL, the caller checked this. */ | |
135 | devc = sdi->priv; | |
136 | ||
137 | devc->probe_mask = 0; | |
138 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { | |
139 | devc->trigger_mask[i] = 0; | |
140 | devc->trigger_value[i] = 0; | |
141 | } | |
142 | ||
143 | stage = -1; | |
144 | for (l = sdi->probes; l; l = l->next) { | |
145 | probe = (struct sr_probe *)l->data; | |
146 | if (probe->enabled == FALSE) | |
147 | continue; | |
148 | probe_bit = 1 << (probe->index); | |
149 | devc->probe_mask |= probe_bit; | |
150 | ||
151 | if (probe->trigger) { | |
152 | stage = 0; | |
153 | for (tc = probe->trigger; *tc; tc++) { | |
154 | devc->trigger_mask[stage] |= probe_bit; | |
155 | if (*tc == '1') | |
156 | devc->trigger_value[stage] |= probe_bit; | |
157 | stage++; | |
158 | if (stage > NUM_TRIGGER_STAGES) | |
159 | return SR_ERR; | |
160 | } | |
161 | } | |
162 | } | |
163 | ||
164 | return SR_OK; | |
165 | } | |
166 | #endif | |
167 | ||
168 | static int configure_probes(const struct sr_dev_inst *sdi) | |
169 | { | |
170 | struct dev_context *devc; | |
171 | const GSList *l; | |
172 | const struct sr_probe *probe; | |
173 | char *tc; | |
174 | int type; | |
175 | ||
176 | /* Note: sdi and sdi->priv are non-NULL, the caller checked this. */ | |
177 | devc = sdi->priv; | |
178 | ||
179 | for (l = sdi->probes; l; l = l->next) { | |
180 | probe = (struct sr_probe *)l->data; | |
181 | if (probe->enabled == FALSE) | |
182 | continue; | |
183 | ||
184 | if ((tc = probe->trigger)) { | |
185 | switch (*tc) { | |
186 | case '1': | |
187 | type = TRIGGER_HIGH; | |
188 | break; | |
189 | case '0': | |
190 | type = TRIGGER_LOW; | |
191 | break; | |
192 | #if 0 | |
193 | case 'r': | |
194 | type = TRIGGER_POSEDGE; | |
195 | break; | |
196 | case 'f': | |
197 | type = TRIGGER_NEGEDGE; | |
198 | break; | |
199 | case 'c': | |
200 | type = TRIGGER_ANYEDGE; | |
201 | break; | |
202 | #endif | |
203 | default: | |
204 | return SR_ERR; | |
205 | } | |
206 | analyzer_add_trigger(probe->index, type); | |
207 | devc->trigger = 1; | |
208 | } | |
209 | } | |
210 | ||
211 | return SR_OK; | |
212 | } | |
213 | ||
214 | SR_PRIV int zp_set_samplerate(struct dev_context *devc, uint64_t samplerate) | |
215 | { | |
216 | int i; | |
217 | ||
218 | for (i = 0; ARRAY_SIZE(samplerates_200); i++) | |
219 | if (samplerate == samplerates_200[i]) | |
220 | break; | |
221 | ||
222 | if (i == ARRAY_SIZE(samplerates_200) || samplerate > devc->max_samplerate) { | |
223 | sr_err("Unsupported samplerate: %" PRIu64 "Hz.", samplerate); | |
224 | return SR_ERR_ARG; | |
225 | } | |
226 | ||
227 | sr_info("Setting samplerate to %" PRIu64 "Hz.", samplerate); | |
228 | ||
229 | if (samplerate >= SR_MHZ(1)) | |
230 | analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ); | |
231 | else if (samplerate >= SR_KHZ(1)) | |
232 | analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ); | |
233 | else | |
234 | analyzer_set_freq(samplerate, FREQ_SCALE_HZ); | |
235 | ||
236 | devc->cur_samplerate = samplerate; | |
237 | ||
238 | return SR_OK; | |
239 | } | |
240 | ||
241 | static int dev_clear(void) | |
242 | { | |
243 | return std_dev_clear(di, NULL); | |
244 | } | |
245 | ||
246 | static int init(struct sr_context *sr_ctx) | |
247 | { | |
248 | return std_init(sr_ctx, di, LOG_PREFIX); | |
249 | } | |
250 | ||
251 | static GSList *scan(GSList *options) | |
252 | { | |
253 | struct sr_dev_inst *sdi; | |
254 | struct sr_probe *probe; | |
255 | struct drv_context *drvc; | |
256 | struct dev_context *devc; | |
257 | const struct zp_model *prof; | |
258 | struct libusb_device_descriptor des; | |
259 | libusb_device **devlist; | |
260 | GSList *devices; | |
261 | int ret, devcnt, i, j; | |
262 | ||
263 | (void)options; | |
264 | ||
265 | drvc = di->priv; | |
266 | ||
267 | devices = NULL; | |
268 | ||
269 | /* Find all ZEROPLUS analyzers and add them to device list. */ | |
270 | devcnt = 0; | |
271 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); /* TODO: Errors. */ | |
272 | ||
273 | for (i = 0; devlist[i]; i++) { | |
274 | ret = libusb_get_device_descriptor(devlist[i], &des); | |
275 | if (ret != 0) { | |
276 | sr_err("Failed to get device descriptor: %s.", | |
277 | libusb_error_name(ret)); | |
278 | continue; | |
279 | } | |
280 | ||
281 | prof = NULL; | |
282 | for (j = 0; j < zeroplus_models[j].vid; j++) { | |
283 | if (des.idVendor == zeroplus_models[j].vid && | |
284 | des.idProduct == zeroplus_models[j].pid) { | |
285 | prof = &zeroplus_models[j]; | |
286 | } | |
287 | } | |
288 | /* Skip if the device was not found. */ | |
289 | if (!prof) | |
290 | continue; | |
291 | sr_info("Found ZEROPLUS %s.", prof->model_name); | |
292 | ||
293 | /* Register the device with libsigrok. */ | |
294 | if (!(sdi = sr_dev_inst_new(devcnt, SR_ST_INACTIVE, | |
295 | VENDOR_NAME, prof->model_name, NULL))) { | |
296 | sr_err("%s: sr_dev_inst_new failed", __func__); | |
297 | return NULL; | |
298 | } | |
299 | sdi->driver = di; | |
300 | ||
301 | /* Allocate memory for our private driver context. */ | |
302 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
303 | sr_err("Device context malloc failed."); | |
304 | return NULL; | |
305 | } | |
306 | ||
307 | sdi->priv = devc; | |
308 | devc->prof = prof; | |
309 | devc->num_channels = prof->channels; | |
310 | #ifdef ZP_EXPERIMENTAL | |
311 | devc->max_memory_size = 128 * 1024; | |
312 | devc->max_samplerate = 200; | |
313 | #else | |
314 | devc->max_memory_size = prof->sample_depth * 1024; | |
315 | devc->max_samplerate = prof->max_sampling_freq; | |
316 | #endif | |
317 | devc->max_samplerate *= SR_MHZ(1); | |
318 | devc->memory_size = MEMORY_SIZE_8K; | |
319 | // memset(devc->trigger_buffer, 0, NUM_TRIGGER_STAGES); | |
320 | ||
321 | /* Fill in probelist according to this device's profile. */ | |
322 | for (j = 0; j < devc->num_channels; j++) { | |
323 | if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE, | |
324 | probe_names[j]))) | |
325 | return NULL; | |
326 | sdi->probes = g_slist_append(sdi->probes, probe); | |
327 | } | |
328 | ||
329 | devices = g_slist_append(devices, sdi); | |
330 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
331 | sdi->inst_type = SR_INST_USB; | |
332 | sdi->conn = sr_usb_dev_inst_new( | |
333 | libusb_get_bus_number(devlist[i]), | |
334 | libusb_get_device_address(devlist[i]), NULL); | |
335 | devcnt++; | |
336 | ||
337 | } | |
338 | libusb_free_device_list(devlist, 1); | |
339 | ||
340 | return devices; | |
341 | } | |
342 | ||
343 | static GSList *dev_list(void) | |
344 | { | |
345 | return ((struct drv_context *)(di->priv))->instances; | |
346 | } | |
347 | ||
348 | static int dev_open(struct sr_dev_inst *sdi) | |
349 | { | |
350 | struct dev_context *devc; | |
351 | struct drv_context *drvc; | |
352 | struct sr_usb_dev_inst *usb; | |
353 | libusb_device **devlist, *dev; | |
354 | struct libusb_device_descriptor des; | |
355 | int device_count, ret, i; | |
356 | ||
357 | drvc = di->priv; | |
358 | usb = sdi->conn; | |
359 | ||
360 | if (!(devc = sdi->priv)) { | |
361 | sr_err("%s: sdi->priv was NULL", __func__); | |
362 | return SR_ERR_ARG; | |
363 | } | |
364 | ||
365 | device_count = libusb_get_device_list(drvc->sr_ctx->libusb_ctx, | |
366 | &devlist); | |
367 | if (device_count < 0) { | |
368 | sr_err("Failed to retrieve device list."); | |
369 | return SR_ERR; | |
370 | } | |
371 | ||
372 | dev = NULL; | |
373 | for (i = 0; i < device_count; i++) { | |
374 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { | |
375 | sr_err("Failed to get device descriptor: %s.", | |
376 | libusb_error_name(ret)); | |
377 | continue; | |
378 | } | |
379 | if (libusb_get_bus_number(devlist[i]) == usb->bus | |
380 | && libusb_get_device_address(devlist[i]) == usb->address) { | |
381 | dev = devlist[i]; | |
382 | break; | |
383 | } | |
384 | } | |
385 | if (!dev) { | |
386 | sr_err("Device on bus %d address %d disappeared!", | |
387 | usb->bus, usb->address); | |
388 | return SR_ERR; | |
389 | } | |
390 | ||
391 | if (!(ret = libusb_open(dev, &(usb->devhdl)))) { | |
392 | sdi->status = SR_ST_ACTIVE; | |
393 | sr_info("Opened device %d on %d.%d interface %d.", | |
394 | sdi->index, usb->bus, usb->address, USB_INTERFACE); | |
395 | } else { | |
396 | sr_err("Failed to open device: %s.", libusb_error_name(ret)); | |
397 | return SR_ERR; | |
398 | } | |
399 | ||
400 | ret = libusb_set_configuration(usb->devhdl, USB_CONFIGURATION); | |
401 | if (ret < 0) { | |
402 | sr_err("Unable to set USB configuration %d: %s.", | |
403 | USB_CONFIGURATION, libusb_error_name(ret)); | |
404 | return SR_ERR; | |
405 | } | |
406 | ||
407 | ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); | |
408 | if (ret != 0) { | |
409 | sr_err("Unable to claim interface: %s.", | |
410 | libusb_error_name(ret)); | |
411 | return SR_ERR; | |
412 | } | |
413 | ||
414 | /* Set default configuration after power on. */ | |
415 | if (analyzer_read_status(usb->devhdl) == 0) | |
416 | analyzer_configure(usb->devhdl); | |
417 | ||
418 | analyzer_reset(usb->devhdl); | |
419 | analyzer_initialize(usb->devhdl); | |
420 | ||
421 | //analyzer_set_memory_size(MEMORY_SIZE_512K); | |
422 | // analyzer_set_freq(g_freq, g_freq_scale); | |
423 | analyzer_set_trigger_count(1); | |
424 | // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger) | |
425 | // * get_memory_size(g_memory_size)) / 100) >> 2); | |
426 | ||
427 | #if 0 | |
428 | if (g_double_mode == 1) | |
429 | analyzer_set_compression(COMPRESSION_DOUBLE); | |
430 | else if (g_compression == 1) | |
431 | analyzer_set_compression(COMPRESSION_ENABLE); | |
432 | else | |
433 | #endif | |
434 | analyzer_set_compression(COMPRESSION_NONE); | |
435 | ||
436 | if (devc->cur_samplerate == 0) { | |
437 | /* Samplerate hasn't been set. Default to 1MHz. */ | |
438 | analyzer_set_freq(1, FREQ_SCALE_MHZ); | |
439 | devc->cur_samplerate = SR_MHZ(1); | |
440 | } | |
441 | ||
442 | return SR_OK; | |
443 | } | |
444 | ||
445 | static int dev_close(struct sr_dev_inst *sdi) | |
446 | { | |
447 | struct sr_usb_dev_inst *usb; | |
448 | ||
449 | usb = sdi->conn; | |
450 | ||
451 | if (!usb->devhdl) | |
452 | return SR_ERR; | |
453 | ||
454 | sr_info("Closing device %d on %d.%d interface %d.", sdi->index, | |
455 | usb->bus, usb->address, USB_INTERFACE); | |
456 | libusb_release_interface(usb->devhdl, USB_INTERFACE); | |
457 | libusb_reset_device(usb->devhdl); | |
458 | libusb_close(usb->devhdl); | |
459 | usb->devhdl = NULL; | |
460 | sdi->status = SR_ST_INACTIVE; | |
461 | ||
462 | return SR_OK; | |
463 | } | |
464 | ||
465 | static int cleanup(void) | |
466 | { | |
467 | return dev_clear(); | |
468 | } | |
469 | ||
470 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi) | |
471 | { | |
472 | struct dev_context *devc; | |
473 | ||
474 | switch (id) { | |
475 | case SR_CONF_SAMPLERATE: | |
476 | if (sdi) { | |
477 | devc = sdi->priv; | |
478 | *data = g_variant_new_uint64(devc->cur_samplerate); | |
479 | sr_spew("Returning samplerate: %" PRIu64 "Hz.", | |
480 | devc->cur_samplerate); | |
481 | } else | |
482 | return SR_ERR; | |
483 | break; | |
484 | default: | |
485 | return SR_ERR_NA; | |
486 | } | |
487 | ||
488 | return SR_OK; | |
489 | } | |
490 | ||
491 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi) | |
492 | { | |
493 | struct dev_context *devc; | |
494 | ||
495 | if (sdi->status != SR_ST_ACTIVE) | |
496 | return SR_ERR_DEV_CLOSED; | |
497 | ||
498 | if (!(devc = sdi->priv)) { | |
499 | sr_err("%s: sdi->priv was NULL", __func__); | |
500 | return SR_ERR_ARG; | |
501 | } | |
502 | ||
503 | switch (id) { | |
504 | case SR_CONF_SAMPLERATE: | |
505 | return zp_set_samplerate(devc, g_variant_get_uint64(data)); | |
506 | case SR_CONF_LIMIT_SAMPLES: | |
507 | return set_limit_samples(devc, g_variant_get_uint64(data)); | |
508 | case SR_CONF_CAPTURE_RATIO: | |
509 | return set_capture_ratio(devc, g_variant_get_uint64(data)); | |
510 | default: | |
511 | return SR_ERR_NA; | |
512 | } | |
513 | ||
514 | return SR_OK; | |
515 | } | |
516 | ||
517 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) | |
518 | { | |
519 | struct dev_context *devc; | |
520 | GVariant *gvar; | |
521 | GVariantBuilder gvb; | |
522 | ||
523 | switch (key) { | |
524 | case SR_CONF_DEVICE_OPTIONS: | |
525 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
526 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
527 | break; | |
528 | case SR_CONF_SAMPLERATE: | |
529 | devc = sdi->priv; | |
530 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); | |
531 | if (devc->prof->max_sampling_freq == 100) { | |
532 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), | |
533 | samplerates_100, ARRAY_SIZE(samplerates_100), | |
534 | sizeof(uint64_t)); | |
535 | } else if (devc->prof->max_sampling_freq == 200) { | |
536 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), | |
537 | samplerates_200, ARRAY_SIZE(samplerates_200), | |
538 | sizeof(uint64_t)); | |
539 | } else { | |
540 | sr_err("Internal error: Unknown max. samplerate: %d.", | |
541 | devc->prof->max_sampling_freq); | |
542 | return SR_ERR_ARG; | |
543 | } | |
544 | g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar); | |
545 | *data = g_variant_builder_end(&gvb); | |
546 | break; | |
547 | case SR_CONF_TRIGGER_TYPE: | |
548 | *data = g_variant_new_string(TRIGGER_TYPE); | |
549 | break; | |
550 | default: | |
551 | return SR_ERR_NA; | |
552 | } | |
553 | ||
554 | return SR_OK; | |
555 | } | |
556 | ||
557 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, | |
558 | void *cb_data) | |
559 | { | |
560 | struct dev_context *devc; | |
561 | struct sr_usb_dev_inst *usb; | |
562 | struct sr_datafeed_packet packet; | |
563 | struct sr_datafeed_logic logic; | |
564 | //uint64_t samples_read; | |
565 | int res; | |
566 | unsigned int packet_num, n; | |
567 | unsigned char *buf; | |
568 | ||
569 | if (sdi->status != SR_ST_ACTIVE) | |
570 | return SR_ERR_DEV_CLOSED; | |
571 | ||
572 | if (!(devc = sdi->priv)) { | |
573 | sr_err("%s: sdi->priv was NULL", __func__); | |
574 | return SR_ERR_ARG; | |
575 | } | |
576 | ||
577 | if (configure_probes(sdi) != SR_OK) { | |
578 | sr_err("Failed to configure probes."); | |
579 | return SR_ERR; | |
580 | } | |
581 | ||
582 | usb = sdi->conn; | |
583 | ||
584 | set_triggerbar(devc); | |
585 | ||
586 | /* Push configured settings to device. */ | |
587 | analyzer_configure(usb->devhdl); | |
588 | ||
589 | analyzer_start(usb->devhdl); | |
590 | sr_info("Waiting for data."); | |
591 | analyzer_wait_data(usb->devhdl); | |
592 | ||
593 | sr_info("Stop address = 0x%x.", | |
594 | analyzer_get_stop_address(usb->devhdl)); | |
595 | sr_info("Now address = 0x%x.", | |
596 | analyzer_get_now_address(usb->devhdl)); | |
597 | sr_info("Trigger address = 0x%x.", | |
598 | analyzer_get_trigger_address(usb->devhdl)); | |
599 | ||
600 | /* Send header packet to the session bus. */ | |
601 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
602 | ||
603 | if (!(buf = g_try_malloc(PACKET_SIZE))) { | |
604 | sr_err("Packet buffer malloc failed."); | |
605 | return SR_ERR_MALLOC; | |
606 | } | |
607 | ||
608 | //samples_read = 0; | |
609 | analyzer_read_start(usb->devhdl); | |
610 | /* Send the incoming transfer to the session bus. */ | |
611 | n = get_memory_size(devc->memory_size); | |
612 | if (devc->max_memory_size * 4 < n) | |
613 | n = devc->max_memory_size * 4; | |
614 | for (packet_num = 0; packet_num < n / PACKET_SIZE; packet_num++) { | |
615 | res = analyzer_read_data(usb->devhdl, buf, PACKET_SIZE); | |
616 | sr_info("Tried to read %d bytes, actually read %d bytes.", | |
617 | PACKET_SIZE, res); | |
618 | ||
619 | packet.type = SR_DF_LOGIC; | |
620 | packet.payload = &logic; | |
621 | logic.length = PACKET_SIZE; | |
622 | logic.unitsize = 4; | |
623 | logic.data = buf; | |
624 | sr_session_send(cb_data, &packet); | |
625 | //samples_read += res / 4; | |
626 | } | |
627 | analyzer_read_stop(usb->devhdl); | |
628 | g_free(buf); | |
629 | ||
630 | packet.type = SR_DF_END; | |
631 | sr_session_send(cb_data, &packet); | |
632 | ||
633 | return SR_OK; | |
634 | } | |
635 | ||
636 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ | |
637 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
638 | { | |
639 | struct dev_context *devc; | |
640 | struct sr_usb_dev_inst *usb; | |
641 | struct sr_datafeed_packet packet; | |
642 | ||
643 | packet.type = SR_DF_END; | |
644 | sr_session_send(cb_data, &packet); | |
645 | ||
646 | if (!(devc = sdi->priv)) { | |
647 | sr_err("%s: sdi->priv was NULL", __func__); | |
648 | return SR_ERR_BUG; | |
649 | } | |
650 | ||
651 | usb = sdi->conn; | |
652 | analyzer_reset(usb->devhdl); | |
653 | /* TODO: Need to cancel and free any queued up transfers. */ | |
654 | ||
655 | return SR_OK; | |
656 | } | |
657 | ||
658 | SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info = { | |
659 | .name = "zeroplus-logic-cube", | |
660 | .longname = "ZEROPLUS Logic Cube LAP-C series", | |
661 | .api_version = 1, | |
662 | .init = init, | |
663 | .cleanup = cleanup, | |
664 | .scan = scan, | |
665 | .dev_list = dev_list, | |
666 | .dev_clear = dev_clear, | |
667 | .config_get = config_get, | |
668 | .config_set = config_set, | |
669 | .config_list = config_list, | |
670 | .dev_open = dev_open, | |
671 | .dev_close = dev_close, | |
672 | .dev_acquisition_start = dev_acquisition_start, | |
673 | .dev_acquisition_stop = dev_acquisition_stop, | |
674 | .priv = NULL, | |
675 | }; |