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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 pid; | |
48 | char model_name[64]; | |
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 | {0x7009, "LAP-C(16064)", 16, 64, 100}, | |
60 | {0x700A, "LAP-C(16128)", 16, 128, 200}, | |
61 | {0x700B, "LAP-C(32128)", 32, 128, 200}, | |
62 | {0x700C, "LAP-C(321000)", 32, 1024, 200}, | |
63 | {0x700D, "LAP-C(322000)", 32, 2048, 200}, | |
64 | {0x700E, "LAP-C(16032)", 16, 32, 100}, | |
65 | {0x7016, "LAP-C(162000)", 16, 2048, 200}, | |
66 | }; | |
67 | ||
68 | static const int hwcaps[] = { | |
69 | SR_HWCAP_LOGIC_ANALYZER, | |
70 | SR_HWCAP_SAMPLERATE, | |
71 | SR_HWCAP_PROBECONFIG, | |
72 | SR_HWCAP_CAPTURE_RATIO, | |
73 | ||
74 | /* These are really implemented in the driver, not the hardware. */ | |
75 | SR_HWCAP_LIMIT_SAMPLES, | |
76 | 0, | |
77 | }; | |
78 | ||
79 | /* | |
80 | * ZEROPLUS LAP-C (16032) numbers the 16 probes A0-A7 and B0-B7. | |
81 | * We currently ignore other untested/unsupported devices here. | |
82 | */ | |
83 | static const char *probe_names[NUM_PROBES + 1] = { | |
84 | "A0", | |
85 | "A1", | |
86 | "A2", | |
87 | "A3", | |
88 | "A4", | |
89 | "A5", | |
90 | "A6", | |
91 | "A7", | |
92 | "B0", | |
93 | "B1", | |
94 | "B2", | |
95 | "B3", | |
96 | "B4", | |
97 | "B5", | |
98 | "B6", | |
99 | "B7", | |
100 | NULL, | |
101 | }; | |
102 | ||
103 | /* List of struct sr_dev_inst, maintained by dev_open()/dev_close(). */ | |
104 | SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info; | |
105 | static struct sr_dev_driver *zdi = &zeroplus_logic_cube_driver_info; | |
106 | ||
107 | static libusb_context *usb_context = NULL; | |
108 | ||
109 | /* | |
110 | * The hardware supports more samplerates than these, but these are the | |
111 | * options hardcoded into the vendor's Windows GUI. | |
112 | */ | |
113 | ||
114 | /* | |
115 | * TODO: We shouldn't support 150MHz and 200MHz on devices that don't go up | |
116 | * that high. | |
117 | */ | |
118 | static const uint64_t supported_samplerates[] = { | |
119 | SR_HZ(100), | |
120 | SR_HZ(500), | |
121 | SR_KHZ(1), | |
122 | SR_KHZ(5), | |
123 | SR_KHZ(25), | |
124 | SR_KHZ(50), | |
125 | SR_KHZ(100), | |
126 | SR_KHZ(200), | |
127 | SR_KHZ(400), | |
128 | SR_KHZ(800), | |
129 | SR_MHZ(1), | |
130 | SR_MHZ(10), | |
131 | SR_MHZ(25), | |
132 | SR_MHZ(50), | |
133 | SR_MHZ(80), | |
134 | SR_MHZ(100), | |
135 | SR_MHZ(150), | |
136 | SR_MHZ(200), | |
137 | 0, | |
138 | }; | |
139 | ||
140 | static const struct sr_samplerates samplerates = { | |
141 | 0, | |
142 | 0, | |
143 | 0, | |
144 | supported_samplerates, | |
145 | }; | |
146 | ||
147 | /* Private, per-device-instance driver context. */ | |
148 | struct context { | |
149 | uint64_t cur_samplerate; | |
150 | uint64_t limit_samples; | |
151 | int num_channels; /* TODO: This isn't initialized before it's needed :( */ | |
152 | uint64_t memory_size; | |
153 | uint8_t probe_mask; | |
154 | uint8_t trigger_mask[NUM_TRIGGER_STAGES]; | |
155 | uint8_t trigger_value[NUM_TRIGGER_STAGES]; | |
156 | // uint8_t trigger_buffer[NUM_TRIGGER_STAGES]; | |
157 | ||
158 | /* TODO: this belongs in the device instance */ | |
159 | struct sr_usb_dev_inst *usb; | |
160 | }; | |
161 | ||
162 | static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, | |
163 | const void *value); | |
164 | ||
165 | static unsigned int get_memory_size(int type) | |
166 | { | |
167 | if (type == MEMORY_SIZE_8K) | |
168 | return 8 * 1024; | |
169 | else if (type == MEMORY_SIZE_64K) | |
170 | return 64 * 1024; | |
171 | else if (type == MEMORY_SIZE_128K) | |
172 | return 128 * 1024; | |
173 | else if (type == MEMORY_SIZE_512K) | |
174 | return 512 * 1024; | |
175 | else | |
176 | return 0; | |
177 | } | |
178 | ||
179 | static int opendev4(struct sr_dev_inst **sdi, libusb_device *dev, | |
180 | struct libusb_device_descriptor *des) | |
181 | { | |
182 | struct context *ctx; | |
183 | unsigned int i; | |
184 | int ret; | |
185 | ||
186 | /* Note: sdi is non-NULL, the caller already checked this. */ | |
187 | ||
188 | if (!(ctx = (*sdi)->priv)) { | |
189 | sr_err("zp: %s: (*sdi)->priv was NULL", __func__); | |
190 | return -1; | |
191 | } | |
192 | ||
193 | if ((ret = libusb_get_device_descriptor(dev, des))) { | |
194 | sr_err("zp: failed to get device descriptor: %d", ret); | |
195 | return -1; | |
196 | } | |
197 | ||
198 | if (des->idVendor != USB_VENDOR) | |
199 | return 0; | |
200 | ||
201 | if (libusb_get_bus_number(dev) == ctx->usb->bus | |
202 | && libusb_get_device_address(dev) == ctx->usb->address) { | |
203 | ||
204 | for (i = 0; i < ARRAY_SIZE(zeroplus_models); i++) { | |
205 | if (!(des->idProduct == zeroplus_models[i].pid)) | |
206 | continue; | |
207 | ||
208 | sr_info("zp: Found ZEROPLUS device 0x%04x (%s)", | |
209 | des->idProduct, zeroplus_models[i].model_name); | |
210 | ctx->num_channels = zeroplus_models[i].channels; | |
211 | ctx->memory_size = zeroplus_models[i].sample_depth * 1024; | |
212 | break; | |
213 | } | |
214 | ||
215 | if (ctx->num_channels == 0) { | |
216 | sr_err("zp: Unknown ZEROPLUS device 0x%04x", | |
217 | des->idProduct); | |
218 | return -2; | |
219 | } | |
220 | ||
221 | /* Found it. */ | |
222 | if (!(ret = libusb_open(dev, &(ctx->usb->devhdl)))) { | |
223 | (*sdi)->status = SR_ST_ACTIVE; | |
224 | sr_info("zp: opened device %d on %d.%d interface %d", | |
225 | (*sdi)->index, ctx->usb->bus, | |
226 | ctx->usb->address, USB_INTERFACE); | |
227 | } else { | |
228 | sr_err("zp: failed to open device: %d", ret); | |
229 | *sdi = NULL; | |
230 | } | |
231 | } | |
232 | ||
233 | return 0; | |
234 | } | |
235 | ||
236 | static struct sr_dev_inst *zp_open_dev(int dev_index) | |
237 | { | |
238 | struct sr_dev_inst *sdi; | |
239 | libusb_device **devlist; | |
240 | struct libusb_device_descriptor des; | |
241 | int i; | |
242 | ||
243 | if (!(sdi = sr_dev_inst_get(zdi->instances, dev_index))) | |
244 | return NULL; | |
245 | ||
246 | libusb_get_device_list(usb_context, &devlist); | |
247 | if (sdi->status == SR_ST_INACTIVE) { | |
248 | /* Find the device by vendor, product, bus and address. */ | |
249 | libusb_get_device_list(usb_context, &devlist); | |
250 | for (i = 0; devlist[i]; i++) { | |
251 | /* TODO: Error handling. */ | |
252 | opendev4(&sdi, devlist[i], &des); | |
253 | } | |
254 | } else { | |
255 | /* Status must be SR_ST_ACTIVE, i.e. already in use... */ | |
256 | sdi = NULL; | |
257 | } | |
258 | libusb_free_device_list(devlist, 1); | |
259 | ||
260 | if (sdi && sdi->status != SR_ST_ACTIVE) | |
261 | sdi = NULL; | |
262 | ||
263 | return sdi; | |
264 | } | |
265 | ||
266 | static void close_dev(struct sr_dev_inst *sdi) | |
267 | { | |
268 | struct context *ctx; | |
269 | ||
270 | if (!(ctx = sdi->priv)) { | |
271 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
272 | return; /* FIXME */ | |
273 | } | |
274 | ||
275 | if (!ctx->usb->devhdl) | |
276 | return; | |
277 | ||
278 | sr_info("zp: closing device %d on %d.%d interface %d", sdi->index, | |
279 | ctx->usb->bus, ctx->usb->address, USB_INTERFACE); | |
280 | libusb_release_interface(ctx->usb->devhdl, USB_INTERFACE); | |
281 | libusb_reset_device(ctx->usb->devhdl); | |
282 | libusb_close(ctx->usb->devhdl); | |
283 | ctx->usb->devhdl = NULL; | |
284 | /* TODO: Call libusb_exit() here or only in hw_cleanup()? */ | |
285 | sdi->status = SR_ST_INACTIVE; | |
286 | } | |
287 | ||
288 | static int configure_probes(const struct sr_dev_inst *sdi, const GSList *probes) | |
289 | { | |
290 | struct context *ctx; | |
291 | const struct sr_probe *probe; | |
292 | const GSList *l; | |
293 | int probe_bit, stage, i; | |
294 | char *tc; | |
295 | ||
296 | /* Note: sdi and sdi->priv are non-NULL, the caller checked this. */ | |
297 | ctx = sdi->priv; | |
298 | ||
299 | ctx->probe_mask = 0; | |
300 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { | |
301 | ctx->trigger_mask[i] = 0; | |
302 | ctx->trigger_value[i] = 0; | |
303 | } | |
304 | ||
305 | stage = -1; | |
306 | for (l = probes; l; l = l->next) { | |
307 | probe = (struct sr_probe *)l->data; | |
308 | if (probe->enabled == FALSE) | |
309 | continue; | |
310 | probe_bit = 1 << (probe->index - 1); | |
311 | ctx->probe_mask |= probe_bit; | |
312 | ||
313 | if (probe->trigger) { | |
314 | stage = 0; | |
315 | for (tc = probe->trigger; *tc; tc++) { | |
316 | ctx->trigger_mask[stage] |= probe_bit; | |
317 | if (*tc == '1') | |
318 | ctx->trigger_value[stage] |= probe_bit; | |
319 | stage++; | |
320 | if (stage > NUM_TRIGGER_STAGES) | |
321 | return SR_ERR; | |
322 | } | |
323 | } | |
324 | } | |
325 | ||
326 | return SR_OK; | |
327 | } | |
328 | ||
329 | static void clear_instances(void) | |
330 | { | |
331 | GSList *l; | |
332 | struct sr_dev_inst *sdi; | |
333 | ||
334 | for (l = zdi->instances; l; l = l->next) { | |
335 | sdi = l->data; | |
336 | /* Properly close all devices... */ | |
337 | close_dev(sdi); | |
338 | /* ...and free all their memory. */ | |
339 | sr_dev_inst_free(sdi); | |
340 | } | |
341 | g_slist_free(zdi->instances); | |
342 | zdi->instances = NULL; | |
343 | ||
344 | } | |
345 | ||
346 | /* | |
347 | * API callbacks | |
348 | */ | |
349 | ||
350 | static int hw_init(void) | |
351 | { | |
352 | ||
353 | if (libusb_init(&usb_context) != 0) { | |
354 | sr_err("zp: Failed to initialize USB."); | |
355 | return 0; | |
356 | } | |
357 | ||
358 | return SR_OK; | |
359 | } | |
360 | ||
361 | static GSList *hw_scan(GSList *options) | |
362 | { | |
363 | struct sr_dev_inst *sdi; | |
364 | struct libusb_device_descriptor des; | |
365 | GSList *devices; | |
366 | libusb_device **devlist; | |
367 | int ret, devcnt, i; | |
368 | struct context *ctx; | |
369 | ||
370 | (void)options; | |
371 | devices = NULL; | |
372 | ||
373 | clear_instances(); | |
374 | ||
375 | /* Allocate memory for our private driver context. */ | |
376 | if (!(ctx = g_try_malloc(sizeof(struct context)))) { | |
377 | sr_err("zp: %s: ctx malloc failed", __func__); | |
378 | return 0; | |
379 | } | |
380 | ||
381 | /* Set some sane defaults. */ | |
382 | ctx->cur_samplerate = 0; | |
383 | ctx->limit_samples = 0; | |
384 | /* TODO: num_channels isn't initialized before it's needed :( */ | |
385 | ctx->num_channels = NUM_PROBES; | |
386 | ctx->memory_size = 0; | |
387 | ctx->probe_mask = 0; | |
388 | memset(ctx->trigger_mask, 0, NUM_TRIGGER_STAGES); | |
389 | memset(ctx->trigger_value, 0, NUM_TRIGGER_STAGES); | |
390 | // memset(ctx->trigger_buffer, 0, NUM_TRIGGER_STAGES); | |
391 | ||
392 | /* Find all ZEROPLUS analyzers and add them to device list. */ | |
393 | devcnt = 0; | |
394 | libusb_get_device_list(usb_context, &devlist); /* TODO: Errors. */ | |
395 | ||
396 | for (i = 0; devlist[i]; i++) { | |
397 | ret = libusb_get_device_descriptor(devlist[i], &des); | |
398 | if (ret != 0) { | |
399 | sr_err("zp: failed to get device descriptor: %d", ret); | |
400 | continue; | |
401 | } | |
402 | ||
403 | if (des.idVendor == USB_VENDOR) { | |
404 | /* | |
405 | * Definitely a ZEROPLUS. | |
406 | * TODO: Any way to detect specific model/version in | |
407 | * the ZEROPLUS range? | |
408 | */ | |
409 | /* Register the device with libsigrok. */ | |
410 | if (!(sdi = sr_dev_inst_new(devcnt, | |
411 | SR_ST_INACTIVE, VENDOR_NAME, | |
412 | MODEL_NAME, MODEL_VERSION))) { | |
413 | sr_err("zp: %s: sr_dev_inst_new failed", | |
414 | __func__); | |
415 | return 0; | |
416 | } | |
417 | sdi->driver = zdi; | |
418 | sdi->priv = ctx; | |
419 | ||
420 | devices = g_slist_append(devices, sdi); | |
421 | zdi->instances = g_slist_append(zdi->instances, sdi); | |
422 | ctx->usb = sr_usb_dev_inst_new( | |
423 | libusb_get_bus_number(devlist[i]), | |
424 | libusb_get_device_address(devlist[i]), NULL); | |
425 | devcnt++; | |
426 | } | |
427 | } | |
428 | libusb_free_device_list(devlist, 1); | |
429 | ||
430 | return devices; | |
431 | } | |
432 | ||
433 | static int hw_dev_open(int dev_index) | |
434 | { | |
435 | struct sr_dev_inst *sdi; | |
436 | struct context *ctx; | |
437 | int ret; | |
438 | ||
439 | if (!(sdi = zp_open_dev(dev_index))) { | |
440 | sr_err("zp: unable to open device"); | |
441 | return SR_ERR; | |
442 | } | |
443 | ||
444 | /* TODO: Note: sdi is retrieved in zp_open_dev(). */ | |
445 | ||
446 | if (!(ctx = sdi->priv)) { | |
447 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
448 | return SR_ERR_ARG; | |
449 | } | |
450 | ||
451 | ret = libusb_set_configuration(ctx->usb->devhdl, USB_CONFIGURATION); | |
452 | if (ret < 0) { | |
453 | sr_err("zp: Unable to set USB configuration %d: %d", | |
454 | USB_CONFIGURATION, ret); | |
455 | return SR_ERR; | |
456 | } | |
457 | ||
458 | ret = libusb_claim_interface(ctx->usb->devhdl, USB_INTERFACE); | |
459 | if (ret != 0) { | |
460 | sr_err("zp: Unable to claim interface: %d", ret); | |
461 | return SR_ERR; | |
462 | } | |
463 | ||
464 | analyzer_reset(ctx->usb->devhdl); | |
465 | analyzer_initialize(ctx->usb->devhdl); | |
466 | ||
467 | analyzer_set_memory_size(MEMORY_SIZE_512K); | |
468 | // analyzer_set_freq(g_freq, g_freq_scale); | |
469 | analyzer_set_trigger_count(1); | |
470 | // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger) | |
471 | // * get_memory_size(g_memory_size)) / 100) >> 2); | |
472 | analyzer_set_ramsize_trigger_address( | |
473 | (100 * get_memory_size(MEMORY_SIZE_512K) / 100) >> 2); | |
474 | ||
475 | #if 0 | |
476 | if (g_double_mode == 1) | |
477 | analyzer_set_compression(COMPRESSION_DOUBLE); | |
478 | else if (g_compression == 1) | |
479 | analyzer_set_compression(COMPRESSION_ENABLE); | |
480 | else | |
481 | #endif | |
482 | analyzer_set_compression(COMPRESSION_NONE); | |
483 | ||
484 | if (ctx->cur_samplerate == 0) { | |
485 | /* Samplerate hasn't been set. Default to the slowest one. */ | |
486 | if (hw_dev_config_set(sdi, SR_HWCAP_SAMPLERATE, | |
487 | &samplerates.list[0]) == SR_ERR) | |
488 | return SR_ERR; | |
489 | } | |
490 | ||
491 | return SR_OK; | |
492 | } | |
493 | ||
494 | static int hw_dev_close(int dev_index) | |
495 | { | |
496 | struct sr_dev_inst *sdi; | |
497 | ||
498 | if (!(sdi = sr_dev_inst_get(zdi->instances, dev_index))) { | |
499 | sr_err("zp: %s: sdi was NULL", __func__); | |
500 | return SR_ERR; /* TODO: SR_ERR_ARG? */ | |
501 | } | |
502 | ||
503 | /* TODO */ | |
504 | close_dev(sdi); | |
505 | ||
506 | return SR_OK; | |
507 | } | |
508 | ||
509 | static int hw_cleanup(void) | |
510 | { | |
511 | ||
512 | clear_instances(); | |
513 | ||
514 | if (usb_context) | |
515 | libusb_exit(usb_context); | |
516 | usb_context = NULL; | |
517 | ||
518 | return SR_OK; | |
519 | } | |
520 | ||
521 | static int hw_info_get(int info_id, const void **data, | |
522 | const struct sr_dev_inst *sdi) | |
523 | { | |
524 | struct context *ctx; | |
525 | ||
526 | switch (info_id) { | |
527 | case SR_DI_INST: | |
528 | *data = sdi; | |
529 | sr_spew("zp: %s: Returning sdi.", __func__); | |
530 | break; | |
531 | case SR_DI_HWCAPS: | |
532 | *data = hwcaps; | |
533 | break; | |
534 | case SR_DI_NUM_PROBES: | |
535 | if (sdi) { | |
536 | ctx = sdi->priv; | |
537 | *data = GINT_TO_POINTER(ctx->num_channels); | |
538 | sr_spew("zp: %s: Returning number of channels: %d.", | |
539 | __func__, ctx->num_channels); | |
540 | } else | |
541 | return SR_ERR; | |
542 | break; | |
543 | case SR_DI_PROBE_NAMES: | |
544 | *data = probe_names; | |
545 | sr_spew("zp: %s: Returning probenames.", __func__); | |
546 | break; | |
547 | case SR_DI_SAMPLERATES: | |
548 | *data = &samplerates; | |
549 | sr_spew("zp: %s: Returning samplerates.", __func__); | |
550 | break; | |
551 | case SR_DI_TRIGGER_TYPES: | |
552 | *data = TRIGGER_TYPES; | |
553 | sr_spew("zp: %s: Returning triggertypes: %s.", __func__, TRIGGER_TYPES); | |
554 | break; | |
555 | case SR_DI_CUR_SAMPLERATE: | |
556 | if (sdi) { | |
557 | ctx = sdi->priv; | |
558 | *data = &ctx->cur_samplerate; | |
559 | sr_spew("zp: %s: Returning samplerate: %" PRIu64 "Hz.", | |
560 | __func__, ctx->cur_samplerate); | |
561 | } else | |
562 | return SR_ERR; | |
563 | break; | |
564 | default: | |
565 | return SR_ERR_ARG; | |
566 | } | |
567 | ||
568 | return SR_OK; | |
569 | } | |
570 | ||
571 | static int hw_dev_status_get(int dev_index) | |
572 | { | |
573 | struct sr_dev_inst *sdi; | |
574 | ||
575 | sdi = sr_dev_inst_get(zdi->instances, dev_index); | |
576 | if (sdi) | |
577 | return sdi->status; | |
578 | else | |
579 | return SR_ST_NOT_FOUND; | |
580 | } | |
581 | ||
582 | static int set_samplerate(const struct sr_dev_inst *sdi, uint64_t samplerate) | |
583 | { | |
584 | struct context *ctx; | |
585 | ||
586 | if (!sdi) { | |
587 | sr_err("zp: %s: sdi was NULL", __func__); | |
588 | return SR_ERR_ARG; | |
589 | } | |
590 | ||
591 | if (!(ctx = sdi->priv)) { | |
592 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
593 | return SR_ERR_ARG; | |
594 | } | |
595 | ||
596 | sr_info("zp: Setting samplerate to %" PRIu64 "Hz.", samplerate); | |
597 | ||
598 | if (samplerate > SR_MHZ(1)) | |
599 | analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ); | |
600 | else if (samplerate > SR_KHZ(1)) | |
601 | analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ); | |
602 | else | |
603 | analyzer_set_freq(samplerate, FREQ_SCALE_HZ); | |
604 | ||
605 | ctx->cur_samplerate = samplerate; | |
606 | ||
607 | return SR_OK; | |
608 | } | |
609 | ||
610 | static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, | |
611 | const void *value) | |
612 | { | |
613 | struct context *ctx; | |
614 | ||
615 | if (!(ctx = sdi->priv)) { | |
616 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
617 | return SR_ERR_ARG; | |
618 | } | |
619 | ||
620 | switch (hwcap) { | |
621 | case SR_HWCAP_SAMPLERATE: | |
622 | return set_samplerate(sdi, *(const uint64_t *)value); | |
623 | case SR_HWCAP_PROBECONFIG: | |
624 | return configure_probes(sdi, (const GSList *)value); | |
625 | case SR_HWCAP_LIMIT_SAMPLES: | |
626 | ctx->limit_samples = *(const uint64_t *)value; | |
627 | return SR_OK; | |
628 | default: | |
629 | return SR_ERR; | |
630 | } | |
631 | } | |
632 | ||
633 | static int hw_dev_acquisition_start(int dev_index, void *cb_data) | |
634 | { | |
635 | struct sr_dev_inst *sdi; | |
636 | struct sr_datafeed_packet packet; | |
637 | struct sr_datafeed_logic logic; | |
638 | struct sr_datafeed_header header; | |
639 | struct sr_datafeed_meta_logic meta; | |
640 | uint64_t samples_read; | |
641 | int res; | |
642 | unsigned int packet_num; | |
643 | unsigned char *buf; | |
644 | struct context *ctx; | |
645 | ||
646 | if (!(sdi = sr_dev_inst_get(zdi->instances, dev_index))) { | |
647 | sr_err("zp: %s: sdi was NULL", __func__); | |
648 | return SR_ERR; | |
649 | } | |
650 | ||
651 | if (!(ctx = sdi->priv)) { | |
652 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
653 | return SR_ERR_ARG; | |
654 | } | |
655 | ||
656 | /* push configured settings to device */ | |
657 | analyzer_configure(ctx->usb->devhdl); | |
658 | ||
659 | analyzer_start(ctx->usb->devhdl); | |
660 | sr_info("zp: Waiting for data"); | |
661 | analyzer_wait_data(ctx->usb->devhdl); | |
662 | ||
663 | sr_info("zp: Stop address = 0x%x", | |
664 | analyzer_get_stop_address(ctx->usb->devhdl)); | |
665 | sr_info("zp: Now address = 0x%x", | |
666 | analyzer_get_now_address(ctx->usb->devhdl)); | |
667 | sr_info("zp: Trigger address = 0x%x", | |
668 | analyzer_get_trigger_address(ctx->usb->devhdl)); | |
669 | ||
670 | packet.type = SR_DF_HEADER; | |
671 | packet.payload = &header; | |
672 | header.feed_version = 1; | |
673 | gettimeofday(&header.starttime, NULL); | |
674 | sr_session_send(cb_data, &packet); | |
675 | ||
676 | /* Send metadata about the SR_DF_LOGIC packets to come. */ | |
677 | packet.type = SR_DF_META_LOGIC; | |
678 | packet.payload = &meta; | |
679 | meta.samplerate = ctx->cur_samplerate; | |
680 | meta.num_probes = ctx->num_channels; | |
681 | sr_session_send(cb_data, &packet); | |
682 | ||
683 | if (!(buf = g_try_malloc(PACKET_SIZE))) { | |
684 | sr_err("zp: %s: buf malloc failed", __func__); | |
685 | return SR_ERR_MALLOC; | |
686 | } | |
687 | ||
688 | samples_read = 0; | |
689 | analyzer_read_start(ctx->usb->devhdl); | |
690 | /* Send the incoming transfer to the session bus. */ | |
691 | for (packet_num = 0; packet_num < (ctx->memory_size * 4 / PACKET_SIZE); | |
692 | packet_num++) { | |
693 | res = analyzer_read_data(ctx->usb->devhdl, buf, PACKET_SIZE); | |
694 | sr_info("zp: Tried to read %llx bytes, actually read %x bytes", | |
695 | PACKET_SIZE, res); | |
696 | ||
697 | packet.type = SR_DF_LOGIC; | |
698 | packet.payload = &logic; | |
699 | logic.length = PACKET_SIZE; | |
700 | logic.unitsize = 4; | |
701 | logic.data = buf; | |
702 | sr_session_send(cb_data, &packet); | |
703 | samples_read += res / 4; | |
704 | } | |
705 | analyzer_read_stop(ctx->usb->devhdl); | |
706 | g_free(buf); | |
707 | ||
708 | packet.type = SR_DF_END; | |
709 | sr_session_send(cb_data, &packet); | |
710 | ||
711 | return SR_OK; | |
712 | } | |
713 | ||
714 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ | |
715 | static int hw_dev_acquisition_stop(int dev_index, void *cb_data) | |
716 | { | |
717 | struct sr_datafeed_packet packet; | |
718 | struct sr_dev_inst *sdi; | |
719 | struct context *ctx; | |
720 | ||
721 | packet.type = SR_DF_END; | |
722 | sr_session_send(cb_data, &packet); | |
723 | ||
724 | if (!(sdi = sr_dev_inst_get(zdi->instances, dev_index))) { | |
725 | sr_err("zp: %s: sdi was NULL", __func__); | |
726 | return SR_ERR_BUG; | |
727 | } | |
728 | ||
729 | if (!(ctx = sdi->priv)) { | |
730 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
731 | return SR_ERR_BUG; | |
732 | } | |
733 | ||
734 | analyzer_reset(ctx->usb->devhdl); | |
735 | /* TODO: Need to cancel and free any queued up transfers. */ | |
736 | ||
737 | return SR_OK; | |
738 | } | |
739 | ||
740 | SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info = { | |
741 | .name = "zeroplus-logic-cube", | |
742 | .longname = "ZEROPLUS Logic Cube LAP-C series", | |
743 | .api_version = 1, | |
744 | .init = hw_init, | |
745 | .cleanup = hw_cleanup, | |
746 | .scan = hw_scan, | |
747 | .dev_open = hw_dev_open, | |
748 | .dev_close = hw_dev_close, | |
749 | .info_get = hw_info_get, | |
750 | .dev_status_get = hw_dev_status_get, | |
751 | .dev_config_set = hw_dev_config_set, | |
752 | .dev_acquisition_start = hw_dev_acquisition_start, | |
753 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
754 | .instances = NULL, | |
755 | }; |