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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 | #include "protocol.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_TYPE "01" | |
43 | ||
44 | #define PACKET_SIZE 2048 /* ?? */ | |
45 | ||
46 | //#define ZP_EXPERIMENTAL | |
47 | ||
48 | typedef struct { | |
49 | unsigned short vid; | |
50 | unsigned short pid; | |
51 | char *model_name; | |
52 | unsigned int channels; | |
53 | unsigned int sample_depth; /* In Ksamples/channel */ | |
54 | unsigned int max_sampling_freq; | |
55 | } model_t; | |
56 | ||
57 | /* | |
58 | * Note -- 16032, 16064 and 16128 *usually* -- but not always -- have the | |
59 | * same 128K sample depth. | |
60 | */ | |
61 | static model_t zeroplus_models[] = { | |
62 | {0x0c12, 0x7009, "LAP-C(16064)", 16, 64, 100}, | |
63 | {0x0c12, 0x700A, "LAP-C(16128)", 16, 128, 200}, | |
64 | /* TODO: we don't know anything about these | |
65 | {0x0c12, 0x700B, "LAP-C(32128)", 32, 128, 200}, | |
66 | {0x0c12, 0x700C, "LAP-C(321000)", 32, 1024, 200}, | |
67 | {0x0c12, 0x700D, "LAP-C(322000)", 32, 2048, 200}, | |
68 | */ | |
69 | {0x0c12, 0x700E, "LAP-C(16032)", 16, 32, 100}, | |
70 | {0x0c12, 0x7016, "LAP-C(162000)", 16, 2048, 200}, | |
71 | { 0, 0, 0, 0, 0, 0 } | |
72 | }; | |
73 | ||
74 | static const int hwcaps[] = { | |
75 | SR_CONF_LOGIC_ANALYZER, | |
76 | SR_CONF_SAMPLERATE, | |
77 | SR_CONF_CAPTURE_RATIO, | |
78 | ||
79 | /* These are really implemented in the driver, not the hardware. */ | |
80 | SR_CONF_LIMIT_SAMPLES, | |
81 | 0, | |
82 | }; | |
83 | ||
84 | /* | |
85 | * ZEROPLUS LAP-C (16032) numbers the 16 probes A0-A7 and B0-B7. | |
86 | * We currently ignore other untested/unsupported devices here. | |
87 | */ | |
88 | static const char *probe_names[NUM_PROBES + 1] = { | |
89 | "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", | |
90 | "B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7", | |
91 | NULL, | |
92 | }; | |
93 | ||
94 | /* List of struct sr_dev_inst, maintained by dev_open()/dev_close(). */ | |
95 | SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info; | |
96 | static struct sr_dev_driver *di = &zeroplus_logic_cube_driver_info; | |
97 | ||
98 | /* | |
99 | * The hardware supports more samplerates than these, but these are the | |
100 | * options hardcoded into the vendor's Windows GUI. | |
101 | */ | |
102 | ||
103 | /* | |
104 | * TODO: We shouldn't support 150MHz and 200MHz on devices that don't go up | |
105 | * that high. | |
106 | */ | |
107 | static const uint64_t supported_samplerates[] = { | |
108 | SR_HZ(100), | |
109 | SR_HZ(500), | |
110 | SR_KHZ(1), | |
111 | SR_KHZ(5), | |
112 | SR_KHZ(25), | |
113 | SR_KHZ(50), | |
114 | SR_KHZ(100), | |
115 | SR_KHZ(200), | |
116 | SR_KHZ(400), | |
117 | SR_KHZ(800), | |
118 | SR_MHZ(1), | |
119 | SR_MHZ(10), | |
120 | SR_MHZ(25), | |
121 | SR_MHZ(50), | |
122 | SR_MHZ(80), | |
123 | SR_MHZ(100), | |
124 | SR_MHZ(150), | |
125 | SR_MHZ(200), | |
126 | 0, | |
127 | }; | |
128 | ||
129 | static const struct sr_samplerates samplerates = { | |
130 | .low = 0, | |
131 | .high = 0, | |
132 | .step = 0, | |
133 | .list = supported_samplerates, | |
134 | }; | |
135 | ||
136 | /* Private, per-device-instance driver context. */ | |
137 | struct dev_context { | |
138 | uint64_t cur_samplerate; | |
139 | uint64_t max_samplerate; | |
140 | uint64_t limit_samples; | |
141 | int num_channels; /* TODO: This isn't initialized before it's needed :( */ | |
142 | int memory_size; | |
143 | unsigned int max_memory_size; | |
144 | //uint8_t probe_mask; | |
145 | //uint8_t trigger_mask[NUM_TRIGGER_STAGES]; | |
146 | //uint8_t trigger_value[NUM_TRIGGER_STAGES]; | |
147 | // uint8_t trigger_buffer[NUM_TRIGGER_STAGES]; | |
148 | int trigger; | |
149 | unsigned int capture_ratio; | |
150 | ||
151 | /* TODO: this belongs in the device instance */ | |
152 | struct sr_usb_dev_inst *usb; | |
153 | }; | |
154 | ||
155 | static int hw_dev_close(struct sr_dev_inst *sdi); | |
156 | ||
157 | static unsigned int get_memory_size(int type) | |
158 | { | |
159 | if (type == MEMORY_SIZE_8K) | |
160 | return 8 * 1024; | |
161 | else if (type == MEMORY_SIZE_64K) | |
162 | return 64 * 1024; | |
163 | else if (type == MEMORY_SIZE_128K) | |
164 | return 128 * 1024; | |
165 | else if (type == MEMORY_SIZE_512K) | |
166 | return 512 * 1024; | |
167 | else | |
168 | return 0; | |
169 | } | |
170 | ||
171 | #if 0 | |
172 | static int configure_probes(const struct sr_dev_inst *sdi) | |
173 | { | |
174 | struct dev_context *devc; | |
175 | const struct sr_probe *probe; | |
176 | const GSList *l; | |
177 | int probe_bit, stage, i; | |
178 | char *tc; | |
179 | ||
180 | /* Note: sdi and sdi->priv are non-NULL, the caller checked this. */ | |
181 | devc = sdi->priv; | |
182 | ||
183 | devc->probe_mask = 0; | |
184 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { | |
185 | devc->trigger_mask[i] = 0; | |
186 | devc->trigger_value[i] = 0; | |
187 | } | |
188 | ||
189 | stage = -1; | |
190 | for (l = sdi->probes; l; l = l->next) { | |
191 | probe = (struct sr_probe *)l->data; | |
192 | if (probe->enabled == FALSE) | |
193 | continue; | |
194 | probe_bit = 1 << (probe->index); | |
195 | devc->probe_mask |= probe_bit; | |
196 | ||
197 | if (probe->trigger) { | |
198 | stage = 0; | |
199 | for (tc = probe->trigger; *tc; tc++) { | |
200 | devc->trigger_mask[stage] |= probe_bit; | |
201 | if (*tc == '1') | |
202 | devc->trigger_value[stage] |= probe_bit; | |
203 | stage++; | |
204 | if (stage > NUM_TRIGGER_STAGES) | |
205 | return SR_ERR; | |
206 | } | |
207 | } | |
208 | } | |
209 | ||
210 | return SR_OK; | |
211 | } | |
212 | #endif | |
213 | ||
214 | static int configure_probes(const struct sr_dev_inst *sdi) | |
215 | { | |
216 | struct dev_context *devc; | |
217 | const GSList *l; | |
218 | const struct sr_probe *probe; | |
219 | char *tc; | |
220 | int type; | |
221 | ||
222 | /* Note: sdi and sdi->priv are non-NULL, the caller checked this. */ | |
223 | devc = sdi->priv; | |
224 | ||
225 | for (l = sdi->probes; l; l = l->next) { | |
226 | probe = (struct sr_probe *)l->data; | |
227 | if (probe->enabled == FALSE) | |
228 | continue; | |
229 | ||
230 | if ((tc = probe->trigger)) { | |
231 | switch (*tc) { | |
232 | case '1': | |
233 | type = TRIGGER_HIGH; | |
234 | break; | |
235 | case '0': | |
236 | type = TRIGGER_LOW; | |
237 | break; | |
238 | #if 0 | |
239 | case 'r': | |
240 | type = TRIGGER_POSEDGE; | |
241 | break; | |
242 | case 'f': | |
243 | type = TRIGGER_NEGEDGE; | |
244 | break; | |
245 | case 'c': | |
246 | type = TRIGGER_ANYEDGE; | |
247 | break; | |
248 | #endif | |
249 | default: | |
250 | return SR_ERR; | |
251 | } | |
252 | analyzer_add_trigger(probe->index, type); | |
253 | devc->trigger = 1; | |
254 | } | |
255 | } | |
256 | ||
257 | return SR_OK; | |
258 | } | |
259 | ||
260 | static int clear_instances(void) | |
261 | { | |
262 | GSList *l; | |
263 | struct sr_dev_inst *sdi; | |
264 | struct drv_context *drvc; | |
265 | struct dev_context *devc; | |
266 | ||
267 | drvc = di->priv; | |
268 | for (l = drvc->instances; l; l = l->next) { | |
269 | sdi = l->data; | |
270 | if (!(devc = sdi->priv)) { | |
271 | /* Log error, but continue cleaning up the rest. */ | |
272 | sr_err("%s: sdi->priv was NULL, continuing", __func__); | |
273 | continue; | |
274 | } | |
275 | sr_usb_dev_inst_free(devc->usb); | |
276 | /* Properly close all devices... */ | |
277 | hw_dev_close(sdi); | |
278 | /* ...and free all their memory. */ | |
279 | sr_dev_inst_free(sdi); | |
280 | } | |
281 | g_slist_free(drvc->instances); | |
282 | drvc->instances = NULL; | |
283 | ||
284 | return SR_OK; | |
285 | } | |
286 | ||
287 | static int hw_init(struct sr_context *sr_ctx) | |
288 | { | |
289 | return std_hw_init(sr_ctx, di, "zeroplus: "); | |
290 | } | |
291 | ||
292 | static GSList *hw_scan(GSList *options) | |
293 | { | |
294 | struct sr_dev_inst *sdi; | |
295 | struct sr_probe *probe; | |
296 | struct drv_context *drvc; | |
297 | struct dev_context *devc; | |
298 | model_t *prof; | |
299 | struct libusb_device_descriptor des; | |
300 | libusb_device **devlist; | |
301 | GSList *devices; | |
302 | int ret, devcnt, i, j; | |
303 | ||
304 | (void)options; | |
305 | ||
306 | drvc = di->priv; | |
307 | ||
308 | devices = NULL; | |
309 | ||
310 | clear_instances(); | |
311 | ||
312 | /* Find all ZEROPLUS analyzers and add them to device list. */ | |
313 | devcnt = 0; | |
314 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); /* TODO: Errors. */ | |
315 | ||
316 | for (i = 0; devlist[i]; i++) { | |
317 | ret = libusb_get_device_descriptor(devlist[i], &des); | |
318 | if (ret != 0) { | |
319 | sr_err("Failed to get device descriptor: %s.", | |
320 | libusb_error_name(ret)); | |
321 | continue; | |
322 | } | |
323 | ||
324 | prof = NULL; | |
325 | for (j = 0; j < zeroplus_models[j].vid; j++) { | |
326 | if (des.idVendor == zeroplus_models[j].vid && | |
327 | des.idProduct == zeroplus_models[j].pid) { | |
328 | prof = &zeroplus_models[j]; | |
329 | } | |
330 | } | |
331 | /* Skip if the device was not found */ | |
332 | if (!prof) | |
333 | continue; | |
334 | sr_info("Found ZEROPLUS model %s.", prof->model_name); | |
335 | ||
336 | /* Register the device with libsigrok. */ | |
337 | if (!(sdi = sr_dev_inst_new(devcnt, SR_ST_INACTIVE, | |
338 | VENDOR_NAME, prof->model_name, NULL))) { | |
339 | sr_err("%s: sr_dev_inst_new failed", __func__); | |
340 | return NULL; | |
341 | } | |
342 | sdi->driver = di; | |
343 | ||
344 | /* Allocate memory for our private driver context. */ | |
345 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
346 | sr_err("Device context malloc failed."); | |
347 | return NULL; | |
348 | } | |
349 | sdi->priv = devc; | |
350 | devc->num_channels = prof->channels; | |
351 | #ifdef ZP_EXPERIMENTAL | |
352 | devc->max_memory_size = 128 * 1024; | |
353 | devc->max_samplerate = 200; | |
354 | #else | |
355 | devc->max_memory_size = prof->sample_depth * 1024; | |
356 | devc->max_samplerate = prof->max_sampling_freq; | |
357 | #endif | |
358 | devc->max_samplerate *= SR_MHZ(1); | |
359 | devc->memory_size = MEMORY_SIZE_8K; | |
360 | // memset(devc->trigger_buffer, 0, NUM_TRIGGER_STAGES); | |
361 | ||
362 | /* Fill in probelist according to this device's profile. */ | |
363 | for (j = 0; j < devc->num_channels; j++) { | |
364 | if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE, | |
365 | probe_names[j]))) | |
366 | return NULL; | |
367 | sdi->probes = g_slist_append(sdi->probes, probe); | |
368 | } | |
369 | ||
370 | devices = g_slist_append(devices, sdi); | |
371 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
372 | devc->usb = sr_usb_dev_inst_new( | |
373 | libusb_get_bus_number(devlist[i]), | |
374 | libusb_get_device_address(devlist[i]), NULL); | |
375 | devcnt++; | |
376 | ||
377 | } | |
378 | libusb_free_device_list(devlist, 1); | |
379 | ||
380 | return devices; | |
381 | } | |
382 | ||
383 | static GSList *hw_dev_list(void) | |
384 | { | |
385 | return ((struct drv_context *)(di->priv))->instances; | |
386 | } | |
387 | ||
388 | static int hw_dev_open(struct sr_dev_inst *sdi) | |
389 | { | |
390 | struct dev_context *devc; | |
391 | struct drv_context *drvc = di->priv; | |
392 | libusb_device **devlist, *dev; | |
393 | struct libusb_device_descriptor des; | |
394 | int device_count, ret, i; | |
395 | ||
396 | if (!(devc = sdi->priv)) { | |
397 | sr_err("%s: sdi->priv was NULL", __func__); | |
398 | return SR_ERR_ARG; | |
399 | } | |
400 | ||
401 | device_count = libusb_get_device_list(drvc->sr_ctx->libusb_ctx, | |
402 | &devlist); | |
403 | if (device_count < 0) { | |
404 | sr_err("Failed to retrieve device list."); | |
405 | return SR_ERR; | |
406 | } | |
407 | ||
408 | dev = NULL; | |
409 | for (i = 0; i < device_count; i++) { | |
410 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { | |
411 | sr_err("Failed to get device descriptor: %s.", | |
412 | libusb_error_name(ret)); | |
413 | continue; | |
414 | } | |
415 | if (libusb_get_bus_number(devlist[i]) == devc->usb->bus | |
416 | && libusb_get_device_address(devlist[i]) == devc->usb->address) { | |
417 | dev = devlist[i]; | |
418 | break; | |
419 | } | |
420 | } | |
421 | if (!dev) { | |
422 | sr_err("Device on bus %d address %d disappeared!", | |
423 | devc->usb->bus, devc->usb->address); | |
424 | return SR_ERR; | |
425 | } | |
426 | ||
427 | if (!(ret = libusb_open(dev, &(devc->usb->devhdl)))) { | |
428 | sdi->status = SR_ST_ACTIVE; | |
429 | sr_info("Opened device %d on %d.%d interface %d.", | |
430 | sdi->index, devc->usb->bus, | |
431 | devc->usb->address, USB_INTERFACE); | |
432 | } else { | |
433 | sr_err("Failed to open device: %s.", libusb_error_name(ret)); | |
434 | return SR_ERR; | |
435 | } | |
436 | ||
437 | ret = libusb_set_configuration(devc->usb->devhdl, USB_CONFIGURATION); | |
438 | if (ret < 0) { | |
439 | sr_err("Unable to set USB configuration %d: %s.", | |
440 | USB_CONFIGURATION, libusb_error_name(ret)); | |
441 | return SR_ERR; | |
442 | } | |
443 | ||
444 | ret = libusb_claim_interface(devc->usb->devhdl, USB_INTERFACE); | |
445 | if (ret != 0) { | |
446 | sr_err("Unable to claim interface: %s.", | |
447 | libusb_error_name(ret)); | |
448 | return SR_ERR; | |
449 | } | |
450 | ||
451 | /* Set default configuration after power on */ | |
452 | if (analyzer_read_status(devc->usb->devhdl) == 0) | |
453 | analyzer_configure(devc->usb->devhdl); | |
454 | ||
455 | analyzer_reset(devc->usb->devhdl); | |
456 | analyzer_initialize(devc->usb->devhdl); | |
457 | ||
458 | //analyzer_set_memory_size(MEMORY_SIZE_512K); | |
459 | // analyzer_set_freq(g_freq, g_freq_scale); | |
460 | analyzer_set_trigger_count(1); | |
461 | // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger) | |
462 | // * get_memory_size(g_memory_size)) / 100) >> 2); | |
463 | ||
464 | #if 0 | |
465 | if (g_double_mode == 1) | |
466 | analyzer_set_compression(COMPRESSION_DOUBLE); | |
467 | else if (g_compression == 1) | |
468 | analyzer_set_compression(COMPRESSION_ENABLE); | |
469 | else | |
470 | #endif | |
471 | analyzer_set_compression(COMPRESSION_NONE); | |
472 | ||
473 | if (devc->cur_samplerate == 0) { | |
474 | /* Samplerate hasn't been set. Default to 1MHz. */ | |
475 | analyzer_set_freq(1, FREQ_SCALE_MHZ); | |
476 | devc->cur_samplerate = SR_MHZ(1); | |
477 | } | |
478 | ||
479 | return SR_OK; | |
480 | } | |
481 | ||
482 | static int hw_dev_close(struct sr_dev_inst *sdi) | |
483 | { | |
484 | struct dev_context *devc; | |
485 | ||
486 | devc = sdi->priv; | |
487 | ||
488 | if (!devc->usb->devhdl) | |
489 | return SR_ERR; | |
490 | ||
491 | sr_info("Closing device %d on %d.%d interface %d.", sdi->index, | |
492 | devc->usb->bus, devc->usb->address, USB_INTERFACE); | |
493 | libusb_release_interface(devc->usb->devhdl, USB_INTERFACE); | |
494 | libusb_reset_device(devc->usb->devhdl); | |
495 | libusb_close(devc->usb->devhdl); | |
496 | devc->usb->devhdl = NULL; | |
497 | sdi->status = SR_ST_INACTIVE; | |
498 | ||
499 | return SR_OK; | |
500 | } | |
501 | ||
502 | static int hw_cleanup(void) | |
503 | { | |
504 | struct drv_context *drvc; | |
505 | ||
506 | if (!(drvc = di->priv)) | |
507 | return SR_OK; | |
508 | ||
509 | clear_instances(); | |
510 | ||
511 | return SR_OK; | |
512 | } | |
513 | ||
514 | static int config_get(int id, const void **data, const struct sr_dev_inst *sdi) | |
515 | { | |
516 | struct dev_context *devc; | |
517 | ||
518 | switch (id) { | |
519 | case SR_CONF_SAMPLERATE: | |
520 | if (sdi) { | |
521 | devc = sdi->priv; | |
522 | *data = &devc->cur_samplerate; | |
523 | sr_spew("Returning samplerate: %" PRIu64 "Hz.", | |
524 | devc->cur_samplerate); | |
525 | } else | |
526 | return SR_ERR; | |
527 | break; | |
528 | default: | |
529 | return SR_ERR_ARG; | |
530 | } | |
531 | ||
532 | return SR_OK; | |
533 | } | |
534 | ||
535 | static int set_samplerate(struct dev_context *devc, uint64_t samplerate) | |
536 | { | |
537 | int i; | |
538 | ||
539 | for (i = 0; supported_samplerates[i]; i++) | |
540 | if (samplerate == supported_samplerates[i]) | |
541 | break; | |
542 | ||
543 | if (!supported_samplerates[i] || samplerate > devc->max_samplerate) { | |
544 | sr_err("Unsupported samplerate."); | |
545 | return SR_ERR_ARG; | |
546 | } | |
547 | ||
548 | sr_info("Setting samplerate to %" PRIu64 "Hz.", samplerate); | |
549 | ||
550 | if (samplerate >= SR_MHZ(1)) | |
551 | analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ); | |
552 | else if (samplerate >= SR_KHZ(1)) | |
553 | analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ); | |
554 | else | |
555 | analyzer_set_freq(samplerate, FREQ_SCALE_HZ); | |
556 | ||
557 | devc->cur_samplerate = samplerate; | |
558 | ||
559 | return SR_OK; | |
560 | } | |
561 | ||
562 | static int set_limit_samples(struct dev_context *devc, uint64_t samples) | |
563 | { | |
564 | devc->limit_samples = samples; | |
565 | ||
566 | if (samples <= 2 * 1024) | |
567 | devc->memory_size = MEMORY_SIZE_8K; | |
568 | else if (samples <= 16 * 1024) | |
569 | devc->memory_size = MEMORY_SIZE_64K; | |
570 | else if (samples <= 32 * 1024 || | |
571 | devc->max_memory_size <= 32 * 1024) | |
572 | devc->memory_size = MEMORY_SIZE_128K; | |
573 | else | |
574 | devc->memory_size = MEMORY_SIZE_512K; | |
575 | ||
576 | sr_info("Setting memory size to %dK.", | |
577 | get_memory_size(devc->memory_size) / 1024); | |
578 | ||
579 | analyzer_set_memory_size(devc->memory_size); | |
580 | ||
581 | return SR_OK; | |
582 | } | |
583 | ||
584 | static int set_capture_ratio(struct dev_context *devc, uint64_t ratio) | |
585 | { | |
586 | if (ratio > 100) { | |
587 | sr_err("Invalid capture ratio: %" PRIu64 ".", ratio); | |
588 | return SR_ERR_ARG; | |
589 | } | |
590 | ||
591 | devc->capture_ratio = ratio; | |
592 | ||
593 | sr_info("Setting capture ratio to %d%%.", devc->capture_ratio); | |
594 | ||
595 | return SR_OK; | |
596 | } | |
597 | ||
598 | static int config_set(int id, const void *value, const struct sr_dev_inst *sdi) | |
599 | { | |
600 | struct dev_context *devc; | |
601 | ||
602 | if (!sdi) { | |
603 | sr_err("%s: sdi was NULL", __func__); | |
604 | return SR_ERR_ARG; | |
605 | } | |
606 | ||
607 | if (!(devc = sdi->priv)) { | |
608 | sr_err("%s: sdi->priv was NULL", __func__); | |
609 | return SR_ERR_ARG; | |
610 | } | |
611 | ||
612 | switch (id) { | |
613 | case SR_CONF_SAMPLERATE: | |
614 | return set_samplerate(devc, *(const uint64_t *)value); | |
615 | case SR_CONF_LIMIT_SAMPLES: | |
616 | return set_limit_samples(devc, *(const uint64_t *)value); | |
617 | case SR_CONF_CAPTURE_RATIO: | |
618 | return set_capture_ratio(devc, *(const uint64_t *)value); | |
619 | default: | |
620 | return SR_ERR; | |
621 | } | |
622 | } | |
623 | ||
624 | static int config_list(int key, const void **data, const struct sr_dev_inst *sdi) | |
625 | { | |
626 | (void)sdi; | |
627 | ||
628 | switch (key) { | |
629 | case SR_CONF_DEVICE_OPTIONS: | |
630 | *data = hwcaps; | |
631 | break; | |
632 | case SR_CONF_SAMPLERATE: | |
633 | *data = &samplerates; | |
634 | break; | |
635 | case SR_CONF_TRIGGER_TYPE: | |
636 | *data = TRIGGER_TYPE; | |
637 | break; | |
638 | default: | |
639 | return SR_ERR_ARG; | |
640 | } | |
641 | ||
642 | return SR_OK; | |
643 | } | |
644 | ||
645 | static void set_triggerbar(struct dev_context *devc) | |
646 | { | |
647 | unsigned int ramsize; | |
648 | unsigned int n; | |
649 | unsigned int triggerbar; | |
650 | ||
651 | ramsize = get_memory_size(devc->memory_size) / 4; | |
652 | if (devc->trigger) { | |
653 | n = ramsize; | |
654 | if (devc->max_memory_size < n) | |
655 | n = devc->max_memory_size; | |
656 | if (devc->limit_samples < n) | |
657 | n = devc->limit_samples; | |
658 | n = n * devc->capture_ratio / 100; | |
659 | if (n > ramsize - 8) | |
660 | triggerbar = ramsize - 8; | |
661 | else | |
662 | triggerbar = n; | |
663 | } else { | |
664 | triggerbar = 0; | |
665 | } | |
666 | analyzer_set_triggerbar_address(triggerbar); | |
667 | analyzer_set_ramsize_trigger_address(ramsize - triggerbar); | |
668 | ||
669 | sr_dbg("triggerbar_address = %d(0x%x)", triggerbar, triggerbar); | |
670 | sr_dbg("ramsize_triggerbar_address = %d(0x%x)", | |
671 | ramsize - triggerbar, ramsize - triggerbar); | |
672 | } | |
673 | ||
674 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, | |
675 | void *cb_data) | |
676 | { | |
677 | struct sr_datafeed_packet packet; | |
678 | struct sr_datafeed_logic logic; | |
679 | //uint64_t samples_read; | |
680 | int res; | |
681 | unsigned int packet_num; | |
682 | unsigned int n; | |
683 | unsigned char *buf; | |
684 | struct dev_context *devc; | |
685 | ||
686 | if (!(devc = sdi->priv)) { | |
687 | sr_err("%s: sdi->priv was NULL", __func__); | |
688 | return SR_ERR_ARG; | |
689 | } | |
690 | ||
691 | if (configure_probes(sdi) != SR_OK) { | |
692 | sr_err("Failed to configure probes."); | |
693 | return SR_ERR; | |
694 | } | |
695 | ||
696 | set_triggerbar(devc); | |
697 | ||
698 | /* push configured settings to device */ | |
699 | analyzer_configure(devc->usb->devhdl); | |
700 | ||
701 | analyzer_start(devc->usb->devhdl); | |
702 | sr_info("Waiting for data."); | |
703 | analyzer_wait_data(devc->usb->devhdl); | |
704 | ||
705 | sr_info("Stop address = 0x%x.", | |
706 | analyzer_get_stop_address(devc->usb->devhdl)); | |
707 | sr_info("Now address = 0x%x.", | |
708 | analyzer_get_now_address(devc->usb->devhdl)); | |
709 | sr_info("Trigger address = 0x%x.", | |
710 | analyzer_get_trigger_address(devc->usb->devhdl)); | |
711 | ||
712 | /* Send header packet to the session bus. */ | |
713 | std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN); | |
714 | ||
715 | if (!(buf = g_try_malloc(PACKET_SIZE))) { | |
716 | sr_err("Packet buffer malloc failed."); | |
717 | return SR_ERR_MALLOC; | |
718 | } | |
719 | ||
720 | //samples_read = 0; | |
721 | analyzer_read_start(devc->usb->devhdl); | |
722 | /* Send the incoming transfer to the session bus. */ | |
723 | n = get_memory_size(devc->memory_size); | |
724 | if (devc->max_memory_size * 4 < n) | |
725 | n = devc->max_memory_size * 4; | |
726 | for (packet_num = 0; packet_num < n / PACKET_SIZE; packet_num++) { | |
727 | res = analyzer_read_data(devc->usb->devhdl, buf, PACKET_SIZE); | |
728 | sr_info("Tried to read %d bytes, actually read %d bytes.", | |
729 | PACKET_SIZE, res); | |
730 | ||
731 | packet.type = SR_DF_LOGIC; | |
732 | packet.payload = &logic; | |
733 | logic.length = PACKET_SIZE; | |
734 | logic.unitsize = 4; | |
735 | logic.data = buf; | |
736 | sr_session_send(cb_data, &packet); | |
737 | //samples_read += res / 4; | |
738 | } | |
739 | analyzer_read_stop(devc->usb->devhdl); | |
740 | g_free(buf); | |
741 | ||
742 | packet.type = SR_DF_END; | |
743 | sr_session_send(cb_data, &packet); | |
744 | ||
745 | return SR_OK; | |
746 | } | |
747 | ||
748 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ | |
749 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
750 | { | |
751 | struct sr_datafeed_packet packet; | |
752 | struct dev_context *devc; | |
753 | ||
754 | packet.type = SR_DF_END; | |
755 | sr_session_send(cb_data, &packet); | |
756 | ||
757 | if (!(devc = sdi->priv)) { | |
758 | sr_err("%s: sdi->priv was NULL", __func__); | |
759 | return SR_ERR_BUG; | |
760 | } | |
761 | ||
762 | analyzer_reset(devc->usb->devhdl); | |
763 | /* TODO: Need to cancel and free any queued up transfers. */ | |
764 | ||
765 | return SR_OK; | |
766 | } | |
767 | ||
768 | SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info = { | |
769 | .name = "zeroplus-logic-cube", | |
770 | .longname = "ZEROPLUS Logic Cube LAP-C series", | |
771 | .api_version = 1, | |
772 | .init = hw_init, | |
773 | .cleanup = hw_cleanup, | |
774 | .scan = hw_scan, | |
775 | .dev_list = hw_dev_list, | |
776 | .dev_clear = hw_cleanup, | |
777 | .config_get = config_get, | |
778 | .config_set = config_set, | |
779 | .config_list = config_list, | |
780 | .dev_open = hw_dev_open, | |
781 | .dev_close = hw_dev_close, | |
782 | .dev_acquisition_start = hw_dev_acquisition_start, | |
783 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
784 | .priv = NULL, | |
785 | }; |