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1 | /* | |
2 | * This file is part of the sigrok 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 <stdio.h> | |
21 | #include <stdlib.h> | |
22 | #include <string.h> | |
23 | #include <sys/time.h> | |
24 | #include <inttypes.h> | |
25 | #include <glib.h> | |
26 | #include <libusb.h> | |
27 | #include "libsigrok.h" | |
28 | #include "libsigrok-internal.h" | |
29 | #include "analyzer.h" | |
30 | ||
31 | #define USB_VENDOR 0x0c12 | |
32 | ||
33 | #define VENDOR_NAME "ZEROPLUS" | |
34 | #define MODEL_NAME "Logic Cube LAP-C" | |
35 | #define MODEL_VERSION NULL | |
36 | ||
37 | #define NUM_PROBES 16 | |
38 | #define USB_INTERFACE 0 | |
39 | #define USB_CONFIGURATION 1 | |
40 | #define NUM_TRIGGER_STAGES 4 | |
41 | #define TRIGGER_TYPES "01" | |
42 | ||
43 | #define PACKET_SIZE 2048 /* ?? */ | |
44 | ||
45 | typedef struct { | |
46 | unsigned short vid; | |
47 | unsigned short pid; | |
48 | char *model_name; | |
49 | unsigned int channels; | |
50 | unsigned int sample_depth; /* In Ksamples/channel */ | |
51 | unsigned int max_sampling_freq; | |
52 | } model_t; | |
53 | ||
54 | /* | |
55 | * Note -- 16032, 16064 and 16128 *usually* -- but not always -- have the | |
56 | * same 128K sample depth. | |
57 | */ | |
58 | static model_t zeroplus_models[] = { | |
59 | {0x0c12, 0x7009, "LAP-C(16064)", 16, 64, 100}, | |
60 | {0x0c12, 0x700A, "LAP-C(16128)", 16, 128, 200}, | |
61 | /* TODO: we don't know anything about these | |
62 | {0x0c12, 0x700B, "LAP-C(32128)", 32, 128, 200}, | |
63 | {0x0c12, 0x700C, "LAP-C(321000)", 32, 1024, 200}, | |
64 | {0x0c12, 0x700D, "LAP-C(322000)", 32, 2048, 200}, | |
65 | */ | |
66 | {0x0c12, 0x700E, "LAP-C(16032)", 16, 32, 100}, | |
67 | {0x0c12, 0x7016, "LAP-C(162000)", 16, 2048, 200}, | |
68 | { 0, 0, 0, 0, 0, 0 } | |
69 | }; | |
70 | ||
71 | static const int hwcaps[] = { | |
72 | SR_HWCAP_LOGIC_ANALYZER, | |
73 | SR_HWCAP_SAMPLERATE, | |
74 | SR_HWCAP_CAPTURE_RATIO, | |
75 | ||
76 | /* These are really implemented in the driver, not the hardware. */ | |
77 | SR_HWCAP_LIMIT_SAMPLES, | |
78 | 0, | |
79 | }; | |
80 | ||
81 | /* | |
82 | * ZEROPLUS LAP-C (16032) numbers the 16 probes A0-A7 and B0-B7. | |
83 | * We currently ignore other untested/unsupported devices here. | |
84 | */ | |
85 | static const char *probe_names[NUM_PROBES + 1] = { | |
86 | "A0", | |
87 | "A1", | |
88 | "A2", | |
89 | "A3", | |
90 | "A4", | |
91 | "A5", | |
92 | "A6", | |
93 | "A7", | |
94 | "B0", | |
95 | "B1", | |
96 | "B2", | |
97 | "B3", | |
98 | "B4", | |
99 | "B5", | |
100 | "B6", | |
101 | "B7", | |
102 | NULL, | |
103 | }; | |
104 | ||
105 | /* List of struct sr_dev_inst, maintained by dev_open()/dev_close(). */ | |
106 | SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info; | |
107 | static struct sr_dev_driver *zdi = &zeroplus_logic_cube_driver_info; | |
108 | ||
109 | static libusb_context *usb_context = NULL; | |
110 | ||
111 | /* | |
112 | * The hardware supports more samplerates than these, but these are the | |
113 | * options hardcoded into the vendor's Windows GUI. | |
114 | */ | |
115 | ||
116 | /* | |
117 | * TODO: We shouldn't support 150MHz and 200MHz on devices that don't go up | |
118 | * that high. | |
119 | */ | |
120 | static const uint64_t supported_samplerates[] = { | |
121 | SR_HZ(100), | |
122 | SR_HZ(500), | |
123 | SR_KHZ(1), | |
124 | SR_KHZ(5), | |
125 | SR_KHZ(25), | |
126 | SR_KHZ(50), | |
127 | SR_KHZ(100), | |
128 | SR_KHZ(200), | |
129 | SR_KHZ(400), | |
130 | SR_KHZ(800), | |
131 | SR_MHZ(1), | |
132 | SR_MHZ(10), | |
133 | SR_MHZ(25), | |
134 | SR_MHZ(50), | |
135 | SR_MHZ(80), | |
136 | SR_MHZ(100), | |
137 | SR_MHZ(150), | |
138 | SR_MHZ(200), | |
139 | 0, | |
140 | }; | |
141 | ||
142 | static const struct sr_samplerates samplerates = { | |
143 | 0, | |
144 | 0, | |
145 | 0, | |
146 | supported_samplerates, | |
147 | }; | |
148 | ||
149 | /* Private, per-device-instance driver context. */ | |
150 | struct dev_context { | |
151 | uint64_t cur_samplerate; | |
152 | uint64_t limit_samples; | |
153 | int num_channels; /* TODO: This isn't initialized before it's needed :( */ | |
154 | uint64_t memory_size; | |
155 | uint8_t probe_mask; | |
156 | uint8_t trigger_mask[NUM_TRIGGER_STAGES]; | |
157 | uint8_t trigger_value[NUM_TRIGGER_STAGES]; | |
158 | // uint8_t trigger_buffer[NUM_TRIGGER_STAGES]; | |
159 | ||
160 | /* TODO: this belongs in the device instance */ | |
161 | struct sr_usb_dev_inst *usb; | |
162 | }; | |
163 | ||
164 | static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, | |
165 | const void *value); | |
166 | static int hw_dev_close(struct sr_dev_inst *sdi); | |
167 | ||
168 | static unsigned int get_memory_size(int type) | |
169 | { | |
170 | if (type == MEMORY_SIZE_8K) | |
171 | return 8 * 1024; | |
172 | else if (type == MEMORY_SIZE_64K) | |
173 | return 64 * 1024; | |
174 | else if (type == MEMORY_SIZE_128K) | |
175 | return 128 * 1024; | |
176 | else if (type == MEMORY_SIZE_512K) | |
177 | return 512 * 1024; | |
178 | else | |
179 | return 0; | |
180 | } | |
181 | ||
182 | static int configure_probes(const struct sr_dev_inst *sdi) | |
183 | { | |
184 | struct dev_context *devc; | |
185 | const struct sr_probe *probe; | |
186 | const GSList *l; | |
187 | int probe_bit, stage, i; | |
188 | char *tc; | |
189 | ||
190 | /* Note: sdi and sdi->priv are non-NULL, the caller checked this. */ | |
191 | devc = sdi->priv; | |
192 | ||
193 | devc->probe_mask = 0; | |
194 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { | |
195 | devc->trigger_mask[i] = 0; | |
196 | devc->trigger_value[i] = 0; | |
197 | } | |
198 | ||
199 | stage = -1; | |
200 | for (l = sdi->probes; l; l = l->next) { | |
201 | probe = (struct sr_probe *)l->data; | |
202 | if (probe->enabled == FALSE) | |
203 | continue; | |
204 | probe_bit = 1 << (probe->index); | |
205 | devc->probe_mask |= probe_bit; | |
206 | ||
207 | if (probe->trigger) { | |
208 | stage = 0; | |
209 | for (tc = probe->trigger; *tc; tc++) { | |
210 | devc->trigger_mask[stage] |= probe_bit; | |
211 | if (*tc == '1') | |
212 | devc->trigger_value[stage] |= probe_bit; | |
213 | stage++; | |
214 | if (stage > NUM_TRIGGER_STAGES) | |
215 | return SR_ERR; | |
216 | } | |
217 | } | |
218 | } | |
219 | ||
220 | return SR_OK; | |
221 | } | |
222 | ||
223 | static int clear_instances(void) | |
224 | { | |
225 | GSList *l; | |
226 | struct sr_dev_inst *sdi; | |
227 | struct drv_context *drvc; | |
228 | struct dev_context *devc; | |
229 | ||
230 | drvc = zdi->priv; | |
231 | for (l = drvc->instances; l; l = l->next) { | |
232 | sdi = l->data; | |
233 | if (!(devc = sdi->priv)) { | |
234 | /* Log error, but continue cleaning up the rest. */ | |
235 | sr_err("zeroplus: %s: sdi->priv was NULL, continuing", __func__); | |
236 | continue; | |
237 | } | |
238 | sr_usb_dev_inst_free(devc->usb); | |
239 | /* Properly close all devices... */ | |
240 | hw_dev_close(sdi); | |
241 | /* ...and free all their memory. */ | |
242 | sr_dev_inst_free(sdi); | |
243 | } | |
244 | g_slist_free(drvc->instances); | |
245 | drvc->instances = NULL; | |
246 | ||
247 | return SR_OK; | |
248 | } | |
249 | ||
250 | /* | |
251 | * API callbacks | |
252 | */ | |
253 | ||
254 | static int hw_init(void) | |
255 | { | |
256 | struct drv_context *drvc; | |
257 | ||
258 | if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) { | |
259 | sr_err("zeroplus: driver context malloc failed."); | |
260 | return SR_ERR_MALLOC; | |
261 | } | |
262 | zdi->priv = drvc; | |
263 | ||
264 | if (libusb_init(&usb_context) != 0) { | |
265 | sr_err("zp: Failed to initialize USB."); | |
266 | return 0; | |
267 | } | |
268 | ||
269 | return SR_OK; | |
270 | } | |
271 | ||
272 | static GSList *hw_scan(GSList *options) | |
273 | { | |
274 | struct sr_dev_inst *sdi; | |
275 | struct sr_probe *probe; | |
276 | struct drv_context *drvc; | |
277 | struct dev_context *devc; | |
278 | model_t *prof; | |
279 | struct libusb_device_descriptor des; | |
280 | libusb_device **devlist; | |
281 | GSList *devices; | |
282 | int ret, devcnt, i, j; | |
283 | ||
284 | (void)options; | |
285 | drvc = zdi->priv; | |
286 | devices = NULL; | |
287 | ||
288 | clear_instances(); | |
289 | ||
290 | /* Find all ZEROPLUS analyzers and add them to device list. */ | |
291 | devcnt = 0; | |
292 | libusb_get_device_list(usb_context, &devlist); /* TODO: Errors. */ | |
293 | ||
294 | for (i = 0; devlist[i]; i++) { | |
295 | ret = libusb_get_device_descriptor(devlist[i], &des); | |
296 | if (ret != 0) { | |
297 | sr_err("zp: failed to get device descriptor: %d", ret); | |
298 | continue; | |
299 | } | |
300 | ||
301 | prof = NULL; | |
302 | for (j = 0; j < zeroplus_models[j].vid; j++) { | |
303 | if (des.idVendor == zeroplus_models[j].vid && | |
304 | des.idProduct == zeroplus_models[j].pid) { | |
305 | prof = &zeroplus_models[j]; | |
306 | } | |
307 | } | |
308 | /* Skip if the device was not found */ | |
309 | if (!prof) | |
310 | continue; | |
311 | sr_info("zp: Found ZEROPLUS model %s", prof->model_name); | |
312 | ||
313 | /* Register the device with libsigrok. */ | |
314 | if (!(sdi = sr_dev_inst_new(devcnt, SR_ST_INACTIVE, | |
315 | VENDOR_NAME, prof->model_name, NULL))) { | |
316 | sr_err("zp: %s: sr_dev_inst_new failed", __func__); | |
317 | return NULL; | |
318 | } | |
319 | sdi->driver = zdi; | |
320 | ||
321 | /* Allocate memory for our private driver context. */ | |
322 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
323 | sr_err("zp: %s: devc malloc failed", __func__); | |
324 | return NULL; | |
325 | } | |
326 | sdi->priv = devc; | |
327 | devc->num_channels = prof->channels; | |
328 | devc->memory_size = prof->sample_depth * 1024; | |
329 | // memset(devc->trigger_buffer, 0, NUM_TRIGGER_STAGES); | |
330 | ||
331 | /* Fill in probelist according to this device's profile. */ | |
332 | for (j = 0; j < devc->num_channels; j++) { | |
333 | if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE, | |
334 | probe_names[j]))) | |
335 | return NULL; | |
336 | sdi->probes = g_slist_append(sdi->probes, probe); | |
337 | } | |
338 | ||
339 | devices = g_slist_append(devices, sdi); | |
340 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
341 | devc->usb = sr_usb_dev_inst_new( | |
342 | libusb_get_bus_number(devlist[i]), | |
343 | libusb_get_device_address(devlist[i]), NULL); | |
344 | devcnt++; | |
345 | ||
346 | } | |
347 | libusb_free_device_list(devlist, 1); | |
348 | ||
349 | return devices; | |
350 | } | |
351 | ||
352 | static GSList *hw_dev_list(void) | |
353 | { | |
354 | struct drv_context *drvc; | |
355 | ||
356 | drvc = zdi->priv; | |
357 | ||
358 | return drvc->instances; | |
359 | } | |
360 | ||
361 | static int hw_dev_open(struct sr_dev_inst *sdi) | |
362 | { | |
363 | struct dev_context *devc; | |
364 | libusb_device **devlist, *dev; | |
365 | struct libusb_device_descriptor des; | |
366 | int device_count, ret, i; | |
367 | ||
368 | if (!(devc = sdi->priv)) { | |
369 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
370 | return SR_ERR_ARG; | |
371 | } | |
372 | ||
373 | device_count = libusb_get_device_list(usb_context, &devlist); | |
374 | if (device_count < 0) { | |
375 | sr_err("zp: Failed to retrieve device list"); | |
376 | return SR_ERR; | |
377 | } | |
378 | ||
379 | dev = NULL; | |
380 | for (i = 0; i < device_count; i++) { | |
381 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { | |
382 | sr_err("fx2lafw: Failed to get device descriptor: %d.", | |
383 | ret); | |
384 | continue; | |
385 | } | |
386 | if (libusb_get_bus_number(devlist[i]) == devc->usb->bus | |
387 | && libusb_get_device_address(devlist[i]) == devc->usb->address) { | |
388 | dev = devlist[i]; | |
389 | break; | |
390 | } | |
391 | } | |
392 | if (!dev) { | |
393 | sr_err("device on bus %d address %d disappeared!", | |
394 | devc->usb->bus, devc->usb->address); | |
395 | return SR_ERR; | |
396 | } | |
397 | ||
398 | if (!(ret = libusb_open(dev, &(devc->usb->devhdl)))) { | |
399 | sdi->status = SR_ST_ACTIVE; | |
400 | sr_info("zp: opened device %d on %d.%d interface %d", | |
401 | sdi->index, devc->usb->bus, | |
402 | devc->usb->address, USB_INTERFACE); | |
403 | } else { | |
404 | sr_err("zp: failed to open device: %d", ret); | |
405 | return SR_ERR; | |
406 | } | |
407 | ||
408 | ret = libusb_set_configuration(devc->usb->devhdl, USB_CONFIGURATION); | |
409 | if (ret < 0) { | |
410 | sr_err("zp: Unable to set USB configuration %d: %d", | |
411 | USB_CONFIGURATION, ret); | |
412 | return SR_ERR; | |
413 | } | |
414 | ||
415 | ret = libusb_claim_interface(devc->usb->devhdl, USB_INTERFACE); | |
416 | if (ret != 0) { | |
417 | sr_err("zp: Unable to claim interface: %d", ret); | |
418 | return SR_ERR; | |
419 | } | |
420 | ||
421 | analyzer_reset(devc->usb->devhdl); | |
422 | analyzer_initialize(devc->usb->devhdl); | |
423 | ||
424 | analyzer_set_memory_size(MEMORY_SIZE_512K); | |
425 | // analyzer_set_freq(g_freq, g_freq_scale); | |
426 | analyzer_set_trigger_count(1); | |
427 | // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger) | |
428 | // * get_memory_size(g_memory_size)) / 100) >> 2); | |
429 | analyzer_set_ramsize_trigger_address( | |
430 | (100 * get_memory_size(MEMORY_SIZE_512K) / 100) >> 2); | |
431 | ||
432 | #if 0 | |
433 | if (g_double_mode == 1) | |
434 | analyzer_set_compression(COMPRESSION_DOUBLE); | |
435 | else if (g_compression == 1) | |
436 | analyzer_set_compression(COMPRESSION_ENABLE); | |
437 | else | |
438 | #endif | |
439 | analyzer_set_compression(COMPRESSION_NONE); | |
440 | ||
441 | if (devc->cur_samplerate == 0) { | |
442 | /* Samplerate hasn't been set. Default to the slowest one. */ | |
443 | if (hw_dev_config_set(sdi, SR_HWCAP_SAMPLERATE, | |
444 | &samplerates.list[0]) == SR_ERR) | |
445 | return SR_ERR; | |
446 | } | |
447 | ||
448 | return SR_OK; | |
449 | } | |
450 | ||
451 | static int hw_dev_close(struct sr_dev_inst *sdi) | |
452 | { | |
453 | struct dev_context *devc; | |
454 | ||
455 | if (!(devc = sdi->priv)) { | |
456 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
457 | return SR_ERR; | |
458 | } | |
459 | ||
460 | if (!devc->usb->devhdl) | |
461 | return SR_ERR; | |
462 | ||
463 | sr_info("zp: closing device %d on %d.%d interface %d", sdi->index, | |
464 | devc->usb->bus, devc->usb->address, USB_INTERFACE); | |
465 | libusb_release_interface(devc->usb->devhdl, USB_INTERFACE); | |
466 | libusb_reset_device(devc->usb->devhdl); | |
467 | libusb_close(devc->usb->devhdl); | |
468 | devc->usb->devhdl = NULL; | |
469 | sdi->status = SR_ST_INACTIVE; | |
470 | ||
471 | return SR_OK; | |
472 | } | |
473 | ||
474 | static int hw_cleanup(void) | |
475 | { | |
476 | struct drv_context *drvc; | |
477 | ||
478 | if (!(drvc = zdi->priv)) | |
479 | return SR_OK; | |
480 | ||
481 | clear_instances(); | |
482 | ||
483 | if (usb_context) | |
484 | libusb_exit(usb_context); | |
485 | usb_context = NULL; | |
486 | ||
487 | return SR_OK; | |
488 | } | |
489 | ||
490 | static int hw_info_get(int info_id, const void **data, | |
491 | const struct sr_dev_inst *sdi) | |
492 | { | |
493 | struct dev_context *devc; | |
494 | ||
495 | switch (info_id) { | |
496 | case SR_DI_HWCAPS: | |
497 | *data = hwcaps; | |
498 | break; | |
499 | case SR_DI_NUM_PROBES: | |
500 | if (sdi) { | |
501 | devc = sdi->priv; | |
502 | *data = GINT_TO_POINTER(devc->num_channels); | |
503 | sr_spew("zp: %s: Returning number of channels: %d.", | |
504 | __func__, devc->num_channels); | |
505 | } else | |
506 | return SR_ERR; | |
507 | break; | |
508 | case SR_DI_PROBE_NAMES: | |
509 | *data = probe_names; | |
510 | sr_spew("zp: %s: Returning probenames.", __func__); | |
511 | break; | |
512 | case SR_DI_SAMPLERATES: | |
513 | *data = &samplerates; | |
514 | sr_spew("zp: %s: Returning samplerates.", __func__); | |
515 | break; | |
516 | case SR_DI_TRIGGER_TYPES: | |
517 | *data = TRIGGER_TYPES; | |
518 | sr_spew("zp: %s: Returning triggertypes: %s.", __func__, TRIGGER_TYPES); | |
519 | break; | |
520 | case SR_DI_CUR_SAMPLERATE: | |
521 | if (sdi) { | |
522 | devc = sdi->priv; | |
523 | *data = &devc->cur_samplerate; | |
524 | sr_spew("zp: %s: Returning samplerate: %" PRIu64 "Hz.", | |
525 | __func__, devc->cur_samplerate); | |
526 | } else | |
527 | return SR_ERR; | |
528 | break; | |
529 | default: | |
530 | return SR_ERR_ARG; | |
531 | } | |
532 | ||
533 | return SR_OK; | |
534 | } | |
535 | ||
536 | static int set_samplerate(const struct sr_dev_inst *sdi, uint64_t samplerate) | |
537 | { | |
538 | struct dev_context *devc; | |
539 | ||
540 | if (!sdi) { | |
541 | sr_err("zp: %s: sdi was NULL", __func__); | |
542 | return SR_ERR_ARG; | |
543 | } | |
544 | ||
545 | if (!(devc = sdi->priv)) { | |
546 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
547 | return SR_ERR_ARG; | |
548 | } | |
549 | ||
550 | sr_info("zp: Setting samplerate to %" PRIu64 "Hz.", samplerate); | |
551 | ||
552 | if (samplerate > SR_MHZ(1)) | |
553 | analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ); | |
554 | else if (samplerate > SR_KHZ(1)) | |
555 | analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ); | |
556 | else | |
557 | analyzer_set_freq(samplerate, FREQ_SCALE_HZ); | |
558 | ||
559 | devc->cur_samplerate = samplerate; | |
560 | ||
561 | return SR_OK; | |
562 | } | |
563 | ||
564 | static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, | |
565 | const void *value) | |
566 | { | |
567 | struct dev_context *devc; | |
568 | ||
569 | if (!(devc = sdi->priv)) { | |
570 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
571 | return SR_ERR_ARG; | |
572 | } | |
573 | ||
574 | switch (hwcap) { | |
575 | case SR_HWCAP_SAMPLERATE: | |
576 | return set_samplerate(sdi, *(const uint64_t *)value); | |
577 | case SR_HWCAP_LIMIT_SAMPLES: | |
578 | devc->limit_samples = *(const uint64_t *)value; | |
579 | return SR_OK; | |
580 | default: | |
581 | return SR_ERR; | |
582 | } | |
583 | } | |
584 | ||
585 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, | |
586 | void *cb_data) | |
587 | { | |
588 | struct sr_datafeed_packet packet; | |
589 | struct sr_datafeed_logic logic; | |
590 | struct sr_datafeed_header header; | |
591 | struct sr_datafeed_meta_logic meta; | |
592 | uint64_t samples_read; | |
593 | int res; | |
594 | unsigned int packet_num; | |
595 | unsigned char *buf; | |
596 | struct dev_context *devc; | |
597 | ||
598 | if (!(devc = sdi->priv)) { | |
599 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
600 | return SR_ERR_ARG; | |
601 | } | |
602 | ||
603 | if (configure_probes(sdi) != SR_OK) { | |
604 | sr_err("zp: failed to configured probes"); | |
605 | return SR_ERR; | |
606 | } | |
607 | ||
608 | /* push configured settings to device */ | |
609 | analyzer_configure(devc->usb->devhdl); | |
610 | ||
611 | analyzer_start(devc->usb->devhdl); | |
612 | sr_info("zp: Waiting for data"); | |
613 | analyzer_wait_data(devc->usb->devhdl); | |
614 | ||
615 | sr_info("zp: Stop address = 0x%x", | |
616 | analyzer_get_stop_address(devc->usb->devhdl)); | |
617 | sr_info("zp: Now address = 0x%x", | |
618 | analyzer_get_now_address(devc->usb->devhdl)); | |
619 | sr_info("zp: Trigger address = 0x%x", | |
620 | analyzer_get_trigger_address(devc->usb->devhdl)); | |
621 | ||
622 | packet.type = SR_DF_HEADER; | |
623 | packet.payload = &header; | |
624 | header.feed_version = 1; | |
625 | gettimeofday(&header.starttime, NULL); | |
626 | sr_session_send(cb_data, &packet); | |
627 | ||
628 | /* Send metadata about the SR_DF_LOGIC packets to come. */ | |
629 | packet.type = SR_DF_META_LOGIC; | |
630 | packet.payload = &meta; | |
631 | meta.samplerate = devc->cur_samplerate; | |
632 | meta.num_probes = devc->num_channels; | |
633 | sr_session_send(cb_data, &packet); | |
634 | ||
635 | if (!(buf = g_try_malloc(PACKET_SIZE))) { | |
636 | sr_err("zp: %s: buf malloc failed", __func__); | |
637 | return SR_ERR_MALLOC; | |
638 | } | |
639 | ||
640 | samples_read = 0; | |
641 | analyzer_read_start(devc->usb->devhdl); | |
642 | /* Send the incoming transfer to the session bus. */ | |
643 | for (packet_num = 0; packet_num < (devc->memory_size * 4 / PACKET_SIZE); | |
644 | packet_num++) { | |
645 | res = analyzer_read_data(devc->usb->devhdl, buf, PACKET_SIZE); | |
646 | sr_info("zp: Tried to read %llx bytes, actually read %x bytes", | |
647 | PACKET_SIZE, res); | |
648 | ||
649 | packet.type = SR_DF_LOGIC; | |
650 | packet.payload = &logic; | |
651 | logic.length = PACKET_SIZE; | |
652 | logic.unitsize = 4; | |
653 | logic.data = buf; | |
654 | sr_session_send(cb_data, &packet); | |
655 | samples_read += res / 4; | |
656 | } | |
657 | analyzer_read_stop(devc->usb->devhdl); | |
658 | g_free(buf); | |
659 | ||
660 | packet.type = SR_DF_END; | |
661 | sr_session_send(cb_data, &packet); | |
662 | ||
663 | return SR_OK; | |
664 | } | |
665 | ||
666 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ | |
667 | static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi, | |
668 | void *cb_data) | |
669 | { | |
670 | struct sr_datafeed_packet packet; | |
671 | struct dev_context *devc; | |
672 | ||
673 | packet.type = SR_DF_END; | |
674 | sr_session_send(cb_data, &packet); | |
675 | ||
676 | if (!(devc = sdi->priv)) { | |
677 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
678 | return SR_ERR_BUG; | |
679 | } | |
680 | ||
681 | analyzer_reset(devc->usb->devhdl); | |
682 | /* TODO: Need to cancel and free any queued up transfers. */ | |
683 | ||
684 | return SR_OK; | |
685 | } | |
686 | ||
687 | SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info = { | |
688 | .name = "zeroplus-logic-cube", | |
689 | .longname = "ZEROPLUS Logic Cube LAP-C series", | |
690 | .api_version = 1, | |
691 | .init = hw_init, | |
692 | .cleanup = hw_cleanup, | |
693 | .scan = hw_scan, | |
694 | .dev_list = hw_dev_list, | |
695 | .dev_clear = hw_cleanup, | |
696 | .dev_open = hw_dev_open, | |
697 | .dev_close = hw_dev_close, | |
698 | .info_get = hw_info_get, | |
699 | .dev_config_set = hw_dev_config_set, | |
700 | .dev_acquisition_start = hw_dev_acquisition_start, | |
701 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
702 | .priv = NULL, | |
703 | }; |