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