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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 "sigrok.h" | |
29 | #include "sigrok-internal.h" | |
30 | #include "analyzer.h" | |
31 | ||
32 | #define USB_VENDOR 0x0c12 | |
33 | #define USB_VENDOR_NAME "Zeroplus" | |
34 | #define USB_MODEL_NAME "Logic Cube" | |
35 | #define USB_MODEL_VERSION "" | |
36 | ||
37 | #define USB_INTERFACE 0 | |
38 | #define USB_CONFIGURATION 1 | |
39 | #define NUM_TRIGGER_STAGES 4 | |
40 | #define TRIGGER_TYPES "01" | |
41 | ||
42 | #define PACKET_SIZE 2048 /* ?? */ | |
43 | ||
44 | typedef struct { | |
45 | unsigned short pid; | |
46 | char model_name[64]; | |
47 | unsigned int channels; | |
48 | unsigned int sample_depth; /* In Ksamples/channel */ | |
49 | unsigned int max_sampling_freq; | |
50 | } model_t; | |
51 | ||
52 | /* | |
53 | * Note -- 16032, 16064 and 16128 *usually* -- but not always -- have the | |
54 | * same 128K sample depth. | |
55 | */ | |
56 | static model_t zeroplus_models[] = { | |
57 | {0x7009, "LAP-C(16064)", 16, 64, 100}, | |
58 | {0x700A, "LAP-C(16128)", 16, 128, 200}, | |
59 | {0x700B, "LAP-C(32128)", 32, 128, 200}, | |
60 | {0x700C, "LAP-C(321000)", 32, 1024, 200}, | |
61 | {0x700D, "LAP-C(322000)", 32, 2048, 200}, | |
62 | {0x700E, "LAP-C(16032)", 16, 32, 100}, | |
63 | {0x7016, "LAP-C(162000)", 16, 2048, 200}, | |
64 | }; | |
65 | ||
66 | static int hwcaps[] = { | |
67 | SR_HWCAP_LOGIC_ANALYZER, | |
68 | SR_HWCAP_SAMPLERATE, | |
69 | SR_HWCAP_PROBECONFIG, | |
70 | SR_HWCAP_CAPTURE_RATIO, | |
71 | ||
72 | /* These are really implemented in the driver, not the hardware. */ | |
73 | SR_HWCAP_LIMIT_SAMPLES, | |
74 | 0, | |
75 | }; | |
76 | ||
77 | /* | |
78 | * ZEROPLUS LAP-C (16032) numbers the 16 probes A0-A7 and B0-B7. | |
79 | * We currently ignore other untested/unsupported devices here. | |
80 | */ | |
81 | static const char *probe_names[] = { | |
82 | "A0", | |
83 | "A1", | |
84 | "A2", | |
85 | "A3", | |
86 | "A4", | |
87 | "A5", | |
88 | "A6", | |
89 | "A7", | |
90 | "B0", | |
91 | "B1", | |
92 | "B2", | |
93 | "B3", | |
94 | "B4", | |
95 | "B5", | |
96 | "B6", | |
97 | "B7", | |
98 | NULL, | |
99 | }; | |
100 | ||
101 | /* List of struct sr_dev_inst, maintained by dev_open()/dev_close(). */ | |
102 | static GSList *dev_insts = NULL; | |
103 | ||
104 | static libusb_context *usb_context = NULL; | |
105 | ||
106 | /* | |
107 | * The hardware supports more samplerates than these, but these are the | |
108 | * options hardcoded into the vendor's Windows GUI. | |
109 | */ | |
110 | ||
111 | /* | |
112 | * TODO: We shouldn't support 150MHz and 200MHz on devices that don't go up | |
113 | * that high. | |
114 | */ | |
115 | static uint64_t supported_samplerates[] = { | |
116 | SR_HZ(100), | |
117 | SR_HZ(500), | |
118 | SR_KHZ(1), | |
119 | SR_KHZ(5), | |
120 | SR_KHZ(25), | |
121 | SR_KHZ(50), | |
122 | SR_KHZ(100), | |
123 | SR_KHZ(200), | |
124 | SR_KHZ(400), | |
125 | SR_KHZ(800), | |
126 | SR_MHZ(1), | |
127 | SR_MHZ(10), | |
128 | SR_MHZ(25), | |
129 | SR_MHZ(50), | |
130 | SR_MHZ(80), | |
131 | SR_MHZ(100), | |
132 | SR_MHZ(150), | |
133 | SR_MHZ(200), | |
134 | 0, | |
135 | }; | |
136 | ||
137 | static struct sr_samplerates samplerates = { | |
138 | SR_HZ(0), | |
139 | SR_HZ(0), | |
140 | SR_HZ(0), | |
141 | supported_samplerates, | |
142 | }; | |
143 | ||
144 | /* Private, per-device-instance driver context. */ | |
145 | struct context { | |
146 | uint64_t cur_samplerate; | |
147 | uint64_t limit_samples; | |
148 | int num_channels; /* TODO: This isn't initialized before it's needed :( */ | |
149 | uint64_t memory_size; | |
150 | uint8_t probe_mask; | |
151 | uint8_t trigger_mask[NUM_TRIGGER_STAGES]; | |
152 | uint8_t trigger_value[NUM_TRIGGER_STAGES]; | |
153 | // uint8_t trigger_buffer[NUM_TRIGGER_STAGES]; | |
154 | ||
155 | struct sr_usb_dev_inst *usb; | |
156 | }; | |
157 | ||
158 | static int hw_dev_config_set(int dev_index, int hwcap, void *value); | |
159 | ||
160 | static unsigned int get_memory_size(int type) | |
161 | { | |
162 | if (type == MEMORY_SIZE_8K) | |
163 | return 8 * 1024; | |
164 | else if (type == MEMORY_SIZE_64K) | |
165 | return 64 * 1024; | |
166 | else if (type == MEMORY_SIZE_128K) | |
167 | return 128 * 1024; | |
168 | else if (type == MEMORY_SIZE_512K) | |
169 | return 512 * 1024; | |
170 | else | |
171 | return 0; | |
172 | } | |
173 | ||
174 | static int opendev4(struct sr_dev_inst **sdi, libusb_device *dev, | |
175 | struct libusb_device_descriptor *des) | |
176 | { | |
177 | struct context *ctx; | |
178 | unsigned int i; | |
179 | int err; | |
180 | ||
181 | /* Note: sdi is non-NULL, the caller already checked this. */ | |
182 | ||
183 | if (!(ctx = (*sdi)->priv)) { | |
184 | sr_err("zp: %s: (*sdi)->priv was NULL", __func__); | |
185 | return -1; | |
186 | } | |
187 | ||
188 | if ((err = libusb_get_device_descriptor(dev, des))) { | |
189 | sr_err("zp: failed to get device descriptor: %d", err); | |
190 | return -1; | |
191 | } | |
192 | ||
193 | if (des->idVendor != USB_VENDOR) | |
194 | return 0; | |
195 | ||
196 | if (libusb_get_bus_number(dev) == ctx->usb->bus | |
197 | && libusb_get_device_address(dev) == ctx->usb->address) { | |
198 | ||
199 | for (i = 0; i < ARRAY_SIZE(zeroplus_models); i++) { | |
200 | if (!(des->idProduct == zeroplus_models[i].pid)) | |
201 | continue; | |
202 | ||
203 | sr_info("zp: Found ZeroPlus device 0x%04x (%s)", | |
204 | des->idProduct, zeroplus_models[i].model_name); | |
205 | ctx->num_channels = zeroplus_models[i].channels; | |
206 | ctx->memory_size = zeroplus_models[i].sample_depth * 1024; | |
207 | break; | |
208 | } | |
209 | ||
210 | if (ctx->num_channels == 0) { | |
211 | sr_err("zp: Unknown ZeroPlus device 0x%04x", | |
212 | des->idProduct); | |
213 | return -2; | |
214 | } | |
215 | ||
216 | /* Found it. */ | |
217 | if (!(err = libusb_open(dev, &(ctx->usb->devhdl)))) { | |
218 | (*sdi)->status = SR_ST_ACTIVE; | |
219 | sr_info("zp: opened device %d on %d.%d interface %d", | |
220 | (*sdi)->index, ctx->usb->bus, | |
221 | ctx->usb->address, USB_INTERFACE); | |
222 | } else { | |
223 | sr_err("zp: failed to open device: %d", err); | |
224 | *sdi = NULL; | |
225 | } | |
226 | } | |
227 | ||
228 | return 0; | |
229 | } | |
230 | ||
231 | static struct sr_dev_inst *zp_open_dev(int dev_index) | |
232 | { | |
233 | struct sr_dev_inst *sdi; | |
234 | libusb_device **devlist; | |
235 | struct libusb_device_descriptor des; | |
236 | int err, i; | |
237 | ||
238 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) | |
239 | return NULL; | |
240 | ||
241 | libusb_get_device_list(usb_context, &devlist); | |
242 | if (sdi->status == SR_ST_INACTIVE) { | |
243 | /* Find the device by vendor, product, bus and address. */ | |
244 | libusb_get_device_list(usb_context, &devlist); | |
245 | for (i = 0; devlist[i]; i++) { | |
246 | /* TODO: Error handling. */ | |
247 | err = opendev4(&sdi, devlist[i], &des); | |
248 | } | |
249 | } else { | |
250 | /* Status must be SR_ST_ACTIVE, i.e. already in use... */ | |
251 | sdi = NULL; | |
252 | } | |
253 | libusb_free_device_list(devlist, 1); | |
254 | ||
255 | if (sdi && sdi->status != SR_ST_ACTIVE) | |
256 | sdi = NULL; | |
257 | ||
258 | return sdi; | |
259 | } | |
260 | ||
261 | static void close_dev(struct sr_dev_inst *sdi) | |
262 | { | |
263 | struct context *ctx; | |
264 | ||
265 | if (!(ctx = sdi->priv)) { | |
266 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
267 | return; /* FIXME */ | |
268 | } | |
269 | ||
270 | if (!ctx->usb->devhdl) | |
271 | return; | |
272 | ||
273 | sr_info("zp: closing device %d on %d.%d interface %d", sdi->index, | |
274 | ctx->usb->bus, ctx->usb->address, USB_INTERFACE); | |
275 | libusb_release_interface(ctx->usb->devhdl, USB_INTERFACE); | |
276 | libusb_reset_device(ctx->usb->devhdl); | |
277 | libusb_close(ctx->usb->devhdl); | |
278 | ctx->usb->devhdl = NULL; | |
279 | /* TODO: Call libusb_exit() here or only in hw_cleanup()? */ | |
280 | sdi->status = SR_ST_INACTIVE; | |
281 | } | |
282 | ||
283 | static int configure_probes(struct sr_dev_inst *sdi, GSList *probes) | |
284 | { | |
285 | struct context *ctx; | |
286 | struct sr_probe *probe; | |
287 | GSList *l; | |
288 | int probe_bit, stage, i; | |
289 | char *tc; | |
290 | ||
291 | /* Note: sdi and sdi->priv are non-NULL, the caller checked this. */ | |
292 | ctx = sdi->priv; | |
293 | ||
294 | ctx->probe_mask = 0; | |
295 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { | |
296 | ctx->trigger_mask[i] = 0; | |
297 | ctx->trigger_value[i] = 0; | |
298 | } | |
299 | ||
300 | stage = -1; | |
301 | for (l = probes; l; l = l->next) { | |
302 | probe = (struct sr_probe *)l->data; | |
303 | if (probe->enabled == FALSE) | |
304 | continue; | |
305 | probe_bit = 1 << (probe->index - 1); | |
306 | ctx->probe_mask |= probe_bit; | |
307 | ||
308 | if (probe->trigger) { | |
309 | stage = 0; | |
310 | for (tc = probe->trigger; *tc; tc++) { | |
311 | ctx->trigger_mask[stage] |= probe_bit; | |
312 | if (*tc == '1') | |
313 | ctx->trigger_value[stage] |= probe_bit; | |
314 | stage++; | |
315 | if (stage > NUM_TRIGGER_STAGES) | |
316 | return SR_ERR; | |
317 | } | |
318 | } | |
319 | } | |
320 | ||
321 | return SR_OK; | |
322 | } | |
323 | ||
324 | /* | |
325 | * API callbacks | |
326 | */ | |
327 | ||
328 | static int hw_init(const char *devinfo) | |
329 | { | |
330 | struct sr_dev_inst *sdi; | |
331 | struct libusb_device_descriptor des; | |
332 | libusb_device **devlist; | |
333 | int err, devcnt, i; | |
334 | struct context *ctx; | |
335 | ||
336 | /* Avoid compiler warnings. */ | |
337 | (void)devinfo; | |
338 | ||
339 | /* Allocate memory for our private driver context. */ | |
340 | if (!(ctx = g_try_malloc(sizeof(struct context)))) { | |
341 | sr_err("zp: %s: ctx malloc failed", __func__); | |
342 | return 0; | |
343 | } | |
344 | ||
345 | /* Set some sane defaults. */ | |
346 | ctx->cur_samplerate = 0; | |
347 | ctx->limit_samples = 0; | |
348 | ctx->num_channels = 32; /* TODO: This isn't initialized before it's needed :( */ | |
349 | ctx->memory_size = 0; | |
350 | ctx->probe_mask = 0; | |
351 | memset(ctx->trigger_mask, 0, NUM_TRIGGER_STAGES); | |
352 | memset(ctx->trigger_value, 0, NUM_TRIGGER_STAGES); | |
353 | // memset(ctx->trigger_buffer, 0, NUM_TRIGGER_STAGES); | |
354 | ||
355 | if (libusb_init(&usb_context) != 0) { | |
356 | sr_err("zp: Failed to initialize USB."); | |
357 | return 0; | |
358 | } | |
359 | ||
360 | /* Find all ZeroPlus analyzers and add them to device list. */ | |
361 | devcnt = 0; | |
362 | libusb_get_device_list(usb_context, &devlist); /* TODO: Errors. */ | |
363 | ||
364 | for (i = 0; devlist[i]; i++) { | |
365 | err = libusb_get_device_descriptor(devlist[i], &des); | |
366 | if (err != 0) { | |
367 | sr_err("zp: failed to get device descriptor: %d", err); | |
368 | continue; | |
369 | } | |
370 | ||
371 | if (des.idVendor == USB_VENDOR) { | |
372 | /* | |
373 | * Definitely a Zeroplus. | |
374 | * TODO: Any way to detect specific model/version in | |
375 | * the zeroplus range? | |
376 | */ | |
377 | /* Register the device with libsigrok. */ | |
378 | if (!(sdi = sr_dev_inst_new(devcnt, | |
379 | SR_ST_INACTIVE, USB_VENDOR_NAME, | |
380 | USB_MODEL_NAME, USB_MODEL_VERSION))) { | |
381 | sr_err("zp: %s: sr_dev_inst_new failed", | |
382 | __func__); | |
383 | return 0; | |
384 | } | |
385 | ||
386 | sdi->priv = ctx; | |
387 | ||
388 | dev_insts = | |
389 | g_slist_append(dev_insts, sdi); | |
390 | ctx->usb = sr_usb_dev_inst_new( | |
391 | libusb_get_bus_number(devlist[i]), | |
392 | libusb_get_device_address(devlist[i]), NULL); | |
393 | devcnt++; | |
394 | } | |
395 | } | |
396 | libusb_free_device_list(devlist, 1); | |
397 | ||
398 | return devcnt; | |
399 | } | |
400 | ||
401 | static int hw_dev_open(int dev_index) | |
402 | { | |
403 | struct sr_dev_inst *sdi; | |
404 | struct context *ctx; | |
405 | int err; | |
406 | ||
407 | if (!(sdi = zp_open_dev(dev_index))) { | |
408 | sr_err("zp: unable to open device"); | |
409 | return SR_ERR; | |
410 | } | |
411 | ||
412 | /* TODO: Note: sdi is retrieved in zp_open_dev(). */ | |
413 | ||
414 | if (!(ctx = sdi->priv)) { | |
415 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
416 | return SR_ERR_ARG; | |
417 | } | |
418 | ||
419 | err = libusb_set_configuration(ctx->usb->devhdl, USB_CONFIGURATION); | |
420 | if (err < 0) { | |
421 | sr_err("zp: Unable to set USB configuration %d: %d", | |
422 | USB_CONFIGURATION, err); | |
423 | return SR_ERR; | |
424 | } | |
425 | ||
426 | err = libusb_claim_interface(ctx->usb->devhdl, USB_INTERFACE); | |
427 | if (err != 0) { | |
428 | sr_err("zp: Unable to claim interface: %d", err); | |
429 | return SR_ERR; | |
430 | } | |
431 | ||
432 | analyzer_reset(ctx->usb->devhdl); | |
433 | analyzer_initialize(ctx->usb->devhdl); | |
434 | ||
435 | analyzer_set_memory_size(MEMORY_SIZE_512K); | |
436 | // analyzer_set_freq(g_freq, g_freq_scale); | |
437 | analyzer_set_trigger_count(1); | |
438 | // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger) | |
439 | // * get_memory_size(g_memory_size)) / 100) >> 2); | |
440 | analyzer_set_ramsize_trigger_address( | |
441 | (100 * get_memory_size(MEMORY_SIZE_512K) / 100) >> 2); | |
442 | ||
443 | #if 0 | |
444 | if (g_double_mode == 1) | |
445 | analyzer_set_compression(COMPRESSION_DOUBLE); | |
446 | else if (g_compression == 1) | |
447 | analyzer_set_compression(COMPRESSION_ENABLE); | |
448 | else | |
449 | #endif | |
450 | analyzer_set_compression(COMPRESSION_NONE); | |
451 | ||
452 | if (ctx->cur_samplerate == 0) { | |
453 | /* Samplerate hasn't been set. Default to the slowest one. */ | |
454 | if (hw_dev_config_set(dev_index, SR_HWCAP_SAMPLERATE, | |
455 | &samplerates.list[0]) == SR_ERR) | |
456 | return SR_ERR; | |
457 | } | |
458 | ||
459 | return SR_OK; | |
460 | } | |
461 | ||
462 | static int hw_dev_close(int dev_index) | |
463 | { | |
464 | struct sr_dev_inst *sdi; | |
465 | ||
466 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { | |
467 | sr_err("zp: %s: sdi was NULL", __func__); | |
468 | return SR_ERR; /* TODO: SR_ERR_ARG? */ | |
469 | } | |
470 | ||
471 | /* TODO */ | |
472 | close_dev(sdi); | |
473 | ||
474 | return SR_OK; | |
475 | } | |
476 | ||
477 | static int hw_cleanup(void) | |
478 | { | |
479 | GSList *l; | |
480 | struct sr_dev_inst *sdi; | |
481 | ||
482 | for (l = dev_insts; l; l = l->next) { | |
483 | sdi = l->data; | |
484 | /* Properly close all devices... */ | |
485 | close_dev(sdi); | |
486 | /* ...and free all their memory. */ | |
487 | sr_dev_inst_free(sdi); | |
488 | } | |
489 | g_slist_free(dev_insts); | |
490 | dev_insts = NULL; | |
491 | ||
492 | if (usb_context) | |
493 | libusb_exit(usb_context); | |
494 | usb_context = NULL; | |
495 | ||
496 | return SR_OK; | |
497 | } | |
498 | ||
499 | static void *hw_dev_info_get(int dev_index, int dev_info_id) | |
500 | { | |
501 | struct sr_dev_inst *sdi; | |
502 | struct context *ctx; | |
503 | void *info; | |
504 | ||
505 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { | |
506 | sr_err("zp: %s: sdi was NULL", __func__); | |
507 | return NULL; | |
508 | } | |
509 | ||
510 | if (!(ctx = sdi->priv)) { | |
511 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
512 | return NULL; | |
513 | } | |
514 | ||
515 | switch (dev_info_id) { | |
516 | case SR_DI_INST: | |
517 | info = sdi; | |
518 | break; | |
519 | case SR_DI_NUM_PROBES: | |
520 | info = GINT_TO_POINTER(ctx->num_channels); | |
521 | break; | |
522 | case SR_DI_PROBE_NAMES: | |
523 | info = probe_names; | |
524 | break; | |
525 | case SR_DI_SAMPLERATES: | |
526 | info = &samplerates; | |
527 | break; | |
528 | case SR_DI_TRIGGER_TYPES: | |
529 | info = TRIGGER_TYPES; | |
530 | break; | |
531 | case SR_DI_CUR_SAMPLERATE: | |
532 | info = &ctx->cur_samplerate; | |
533 | break; | |
534 | default: | |
535 | /* Unknown device info ID, return NULL. */ | |
536 | sr_err("zp: %s: Unknown device info ID", __func__); | |
537 | info = NULL; | |
538 | break; | |
539 | } | |
540 | ||
541 | return info; | |
542 | } | |
543 | ||
544 | static int hw_dev_status_get(int dev_index) | |
545 | { | |
546 | struct sr_dev_inst *sdi; | |
547 | ||
548 | sdi = sr_dev_inst_get(dev_insts, dev_index); | |
549 | if (sdi) | |
550 | return sdi->status; | |
551 | else | |
552 | return SR_ST_NOT_FOUND; | |
553 | } | |
554 | ||
555 | static int *hw_hwcap_get_all(void) | |
556 | { | |
557 | return hwcaps; | |
558 | } | |
559 | ||
560 | static int set_samplerate(struct sr_dev_inst *sdi, uint64_t samplerate) | |
561 | { | |
562 | struct context *ctx; | |
563 | ||
564 | if (!sdi) { | |
565 | sr_err("zp: %s: sdi was NULL", __func__); | |
566 | return SR_ERR_ARG; | |
567 | } | |
568 | ||
569 | if (!(ctx = sdi->priv)) { | |
570 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
571 | return SR_ERR_ARG; | |
572 | } | |
573 | ||
574 | sr_info("zp: Setting samplerate to %" PRIu64 "Hz.", samplerate); | |
575 | ||
576 | if (samplerate > SR_MHZ(1)) | |
577 | analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ); | |
578 | else if (samplerate > SR_KHZ(1)) | |
579 | analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ); | |
580 | else | |
581 | analyzer_set_freq(samplerate, FREQ_SCALE_HZ); | |
582 | ||
583 | ctx->cur_samplerate = samplerate; | |
584 | ||
585 | return SR_OK; | |
586 | } | |
587 | ||
588 | static int hw_dev_config_set(int dev_index, int hwcap, void *value) | |
589 | { | |
590 | struct sr_dev_inst *sdi; | |
591 | struct context *ctx; | |
592 | ||
593 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { | |
594 | sr_err("zp: %s: sdi was NULL", __func__); | |
595 | return SR_ERR; | |
596 | } | |
597 | ||
598 | if (!(ctx = sdi->priv)) { | |
599 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
600 | return SR_ERR_ARG; | |
601 | } | |
602 | ||
603 | switch (hwcap) { | |
604 | case SR_HWCAP_SAMPLERATE: | |
605 | return set_samplerate(sdi, *(uint64_t *)value); | |
606 | case SR_HWCAP_PROBECONFIG: | |
607 | return configure_probes(sdi, (GSList *)value); | |
608 | case SR_HWCAP_LIMIT_SAMPLES: | |
609 | ctx->limit_samples = *(uint64_t *)value; | |
610 | return SR_OK; | |
611 | default: | |
612 | return SR_ERR; | |
613 | } | |
614 | } | |
615 | ||
616 | static int hw_dev_acquisition_start(int dev_index, gpointer session_data) | |
617 | { | |
618 | struct sr_dev_inst *sdi; | |
619 | struct sr_datafeed_packet packet; | |
620 | struct sr_datafeed_logic logic; | |
621 | struct sr_datafeed_header header; | |
622 | uint64_t samples_read; | |
623 | int res; | |
624 | unsigned int packet_num; | |
625 | unsigned char *buf; | |
626 | struct context *ctx; | |
627 | ||
628 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { | |
629 | sr_err("zp: %s: sdi was NULL", __func__); | |
630 | return SR_ERR; | |
631 | } | |
632 | ||
633 | if (!(ctx = sdi->priv)) { | |
634 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
635 | return SR_ERR_ARG; | |
636 | } | |
637 | ||
638 | /* push configured settings to device */ | |
639 | analyzer_configure(ctx->usb->devhdl); | |
640 | ||
641 | analyzer_start(ctx->usb->devhdl); | |
642 | sr_info("zp: Waiting for data"); | |
643 | analyzer_wait_data(ctx->usb->devhdl); | |
644 | ||
645 | sr_info("zp: Stop address = 0x%x", | |
646 | analyzer_get_stop_address(ctx->usb->devhdl)); | |
647 | sr_info("zp: Now address = 0x%x", | |
648 | analyzer_get_now_address(ctx->usb->devhdl)); | |
649 | sr_info("zp: Trigger address = 0x%x", | |
650 | analyzer_get_trigger_address(ctx->usb->devhdl)); | |
651 | ||
652 | packet.type = SR_DF_HEADER; | |
653 | packet.payload = &header; | |
654 | header.feed_version = 1; | |
655 | gettimeofday(&header.starttime, NULL); | |
656 | header.samplerate = ctx->cur_samplerate; | |
657 | header.num_logic_probes = ctx->num_channels; | |
658 | sr_session_bus(session_data, &packet); | |
659 | ||
660 | if (!(buf = g_try_malloc(PACKET_SIZE))) { | |
661 | sr_err("zp: %s: buf malloc failed", __func__); | |
662 | return SR_ERR_MALLOC; | |
663 | } | |
664 | ||
665 | samples_read = 0; | |
666 | analyzer_read_start(ctx->usb->devhdl); | |
667 | /* Send the incoming transfer to the session bus. */ | |
668 | for (packet_num = 0; packet_num < (ctx->memory_size * 4 / PACKET_SIZE); | |
669 | packet_num++) { | |
670 | res = analyzer_read_data(ctx->usb->devhdl, buf, PACKET_SIZE); | |
671 | sr_info("zp: Tried to read %llx bytes, actually read %x bytes", | |
672 | PACKET_SIZE, res); | |
673 | ||
674 | packet.type = SR_DF_LOGIC; | |
675 | packet.payload = &logic; | |
676 | logic.length = PACKET_SIZE; | |
677 | logic.unitsize = 4; | |
678 | logic.data = buf; | |
679 | sr_session_bus(session_data, &packet); | |
680 | samples_read += res / 4; | |
681 | } | |
682 | analyzer_read_stop(ctx->usb->devhdl); | |
683 | g_free(buf); | |
684 | ||
685 | packet.type = SR_DF_END; | |
686 | sr_session_bus(session_data, &packet); | |
687 | ||
688 | return SR_OK; | |
689 | } | |
690 | ||
691 | /* This stops acquisition on ALL devices, ignoring dev_index. */ | |
692 | static int hw_dev_acquisition_stop(int dev_index, gpointer session_dev_id) | |
693 | { | |
694 | struct sr_datafeed_packet packet; | |
695 | struct sr_dev_inst *sdi; | |
696 | struct context *ctx; | |
697 | ||
698 | packet.type = SR_DF_END; | |
699 | sr_session_bus(session_dev_id, &packet); | |
700 | ||
701 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { | |
702 | sr_err("zp: %s: sdi was NULL", __func__); | |
703 | return SR_ERR_BUG; | |
704 | } | |
705 | ||
706 | if (!(ctx = sdi->priv)) { | |
707 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
708 | return SR_ERR_BUG; | |
709 | } | |
710 | ||
711 | analyzer_reset(ctx->usb->devhdl); | |
712 | /* TODO: Need to cancel and free any queued up transfers. */ | |
713 | ||
714 | return SR_OK; | |
715 | } | |
716 | ||
717 | SR_PRIV struct sr_dev_plugin zeroplus_logic_cube_plugin_info = { | |
718 | .name = "zeroplus-logic-cube", | |
719 | .longname = "Zeroplus Logic Cube LAP-C series", | |
720 | .api_version = 1, | |
721 | .init = hw_init, | |
722 | .cleanup = hw_cleanup, | |
723 | .dev_open = hw_dev_open, | |
724 | .dev_close = hw_dev_close, | |
725 | .dev_info_get = hw_dev_info_get, | |
726 | .dev_status_get = hw_dev_status_get, | |
727 | .hwcap_get_all = hw_hwcap_get_all, | |
728 | .dev_config_set = hw_dev_config_set, | |
729 | .dev_acquisition_start = hw_dev_acquisition_start, | |
730 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
731 | }; |