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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(int dev_index, int hwcap, const void *value); | |
163 | ||
164 | static unsigned int get_memory_size(int type) | |
165 | { | |
166 | if (type == MEMORY_SIZE_8K) | |
167 | return 8 * 1024; | |
168 | else if (type == MEMORY_SIZE_64K) | |
169 | return 64 * 1024; | |
170 | else if (type == MEMORY_SIZE_128K) | |
171 | return 128 * 1024; | |
172 | else if (type == MEMORY_SIZE_512K) | |
173 | return 512 * 1024; | |
174 | else | |
175 | return 0; | |
176 | } | |
177 | ||
178 | static int opendev4(struct sr_dev_inst **sdi, libusb_device *dev, | |
179 | struct libusb_device_descriptor *des) | |
180 | { | |
181 | struct context *ctx; | |
182 | unsigned int i; | |
183 | int ret; | |
184 | ||
185 | /* Note: sdi is non-NULL, the caller already checked this. */ | |
186 | ||
187 | if (!(ctx = (*sdi)->priv)) { | |
188 | sr_err("zp: %s: (*sdi)->priv was NULL", __func__); | |
189 | return -1; | |
190 | } | |
191 | ||
192 | if ((ret = libusb_get_device_descriptor(dev, des))) { | |
193 | sr_err("zp: failed to get device descriptor: %d", ret); | |
194 | return -1; | |
195 | } | |
196 | ||
197 | if (des->idVendor != USB_VENDOR) | |
198 | return 0; | |
199 | ||
200 | if (libusb_get_bus_number(dev) == ctx->usb->bus | |
201 | && libusb_get_device_address(dev) == ctx->usb->address) { | |
202 | ||
203 | for (i = 0; i < ARRAY_SIZE(zeroplus_models); i++) { | |
204 | if (!(des->idProduct == zeroplus_models[i].pid)) | |
205 | continue; | |
206 | ||
207 | sr_info("zp: Found ZEROPLUS device 0x%04x (%s)", | |
208 | des->idProduct, zeroplus_models[i].model_name); | |
209 | ctx->num_channels = zeroplus_models[i].channels; | |
210 | ctx->memory_size = zeroplus_models[i].sample_depth * 1024; | |
211 | break; | |
212 | } | |
213 | ||
214 | if (ctx->num_channels == 0) { | |
215 | sr_err("zp: Unknown ZEROPLUS device 0x%04x", | |
216 | des->idProduct); | |
217 | return -2; | |
218 | } | |
219 | ||
220 | /* Found it. */ | |
221 | if (!(ret = libusb_open(dev, &(ctx->usb->devhdl)))) { | |
222 | (*sdi)->status = SR_ST_ACTIVE; | |
223 | sr_info("zp: opened device %d on %d.%d interface %d", | |
224 | (*sdi)->index, ctx->usb->bus, | |
225 | ctx->usb->address, USB_INTERFACE); | |
226 | } else { | |
227 | sr_err("zp: failed to open device: %d", ret); | |
228 | *sdi = NULL; | |
229 | } | |
230 | } | |
231 | ||
232 | return 0; | |
233 | } | |
234 | ||
235 | static struct sr_dev_inst *zp_open_dev(int dev_index) | |
236 | { | |
237 | struct sr_dev_inst *sdi; | |
238 | libusb_device **devlist; | |
239 | struct libusb_device_descriptor des; | |
240 | int i; | |
241 | ||
242 | if (!(sdi = sr_dev_inst_get(zdi->instances, dev_index))) | |
243 | return NULL; | |
244 | ||
245 | libusb_get_device_list(usb_context, &devlist); | |
246 | if (sdi->status == SR_ST_INACTIVE) { | |
247 | /* Find the device by vendor, product, bus and address. */ | |
248 | libusb_get_device_list(usb_context, &devlist); | |
249 | for (i = 0; devlist[i]; i++) { | |
250 | /* TODO: Error handling. */ | |
251 | opendev4(&sdi, devlist[i], &des); | |
252 | } | |
253 | } else { | |
254 | /* Status must be SR_ST_ACTIVE, i.e. already in use... */ | |
255 | sdi = NULL; | |
256 | } | |
257 | libusb_free_device_list(devlist, 1); | |
258 | ||
259 | if (sdi && sdi->status != SR_ST_ACTIVE) | |
260 | sdi = NULL; | |
261 | ||
262 | return sdi; | |
263 | } | |
264 | ||
265 | static void close_dev(struct sr_dev_inst *sdi) | |
266 | { | |
267 | struct context *ctx; | |
268 | ||
269 | if (!(ctx = sdi->priv)) { | |
270 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
271 | return; /* FIXME */ | |
272 | } | |
273 | ||
274 | if (!ctx->usb->devhdl) | |
275 | return; | |
276 | ||
277 | sr_info("zp: closing device %d on %d.%d interface %d", sdi->index, | |
278 | ctx->usb->bus, ctx->usb->address, USB_INTERFACE); | |
279 | libusb_release_interface(ctx->usb->devhdl, USB_INTERFACE); | |
280 | libusb_reset_device(ctx->usb->devhdl); | |
281 | libusb_close(ctx->usb->devhdl); | |
282 | ctx->usb->devhdl = NULL; | |
283 | /* TODO: Call libusb_exit() here or only in hw_cleanup()? */ | |
284 | sdi->status = SR_ST_INACTIVE; | |
285 | } | |
286 | ||
287 | static int configure_probes(struct sr_dev_inst *sdi, const GSList *probes) | |
288 | { | |
289 | struct context *ctx; | |
290 | const struct sr_probe *probe; | |
291 | const GSList *l; | |
292 | int probe_bit, stage, i; | |
293 | char *tc; | |
294 | ||
295 | /* Note: sdi and sdi->priv are non-NULL, the caller checked this. */ | |
296 | ctx = sdi->priv; | |
297 | ||
298 | ctx->probe_mask = 0; | |
299 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { | |
300 | ctx->trigger_mask[i] = 0; | |
301 | ctx->trigger_value[i] = 0; | |
302 | } | |
303 | ||
304 | stage = -1; | |
305 | for (l = probes; l; l = l->next) { | |
306 | probe = (struct sr_probe *)l->data; | |
307 | if (probe->enabled == FALSE) | |
308 | continue; | |
309 | probe_bit = 1 << (probe->index - 1); | |
310 | ctx->probe_mask |= probe_bit; | |
311 | ||
312 | if (probe->trigger) { | |
313 | stage = 0; | |
314 | for (tc = probe->trigger; *tc; tc++) { | |
315 | ctx->trigger_mask[stage] |= probe_bit; | |
316 | if (*tc == '1') | |
317 | ctx->trigger_value[stage] |= probe_bit; | |
318 | stage++; | |
319 | if (stage > NUM_TRIGGER_STAGES) | |
320 | return SR_ERR; | |
321 | } | |
322 | } | |
323 | } | |
324 | ||
325 | return SR_OK; | |
326 | } | |
327 | ||
328 | static void clear_instances(void) | |
329 | { | |
330 | GSList *l; | |
331 | struct sr_dev_inst *sdi; | |
332 | ||
333 | for (l = zdi->instances; l; l = l->next) { | |
334 | sdi = l->data; | |
335 | /* Properly close all devices... */ | |
336 | close_dev(sdi); | |
337 | /* ...and free all their memory. */ | |
338 | sr_dev_inst_free(sdi); | |
339 | } | |
340 | g_slist_free(zdi->instances); | |
341 | zdi->instances = NULL; | |
342 | ||
343 | } | |
344 | ||
345 | /* | |
346 | * API callbacks | |
347 | */ | |
348 | ||
349 | static int hw_init(void) | |
350 | { | |
351 | ||
352 | if (libusb_init(&usb_context) != 0) { | |
353 | sr_err("zp: Failed to initialize USB."); | |
354 | return 0; | |
355 | } | |
356 | ||
357 | return SR_OK; | |
358 | } | |
359 | ||
360 | static GSList *hw_scan(GSList *options) | |
361 | { | |
362 | struct sr_dev_inst *sdi; | |
363 | struct libusb_device_descriptor des; | |
364 | GSList *devices; | |
365 | libusb_device **devlist; | |
366 | int ret, devcnt, i; | |
367 | struct context *ctx; | |
368 | ||
369 | (void)options; | |
370 | devices = NULL; | |
371 | ||
372 | clear_instances(); | |
373 | ||
374 | /* Allocate memory for our private driver context. */ | |
375 | if (!(ctx = g_try_malloc(sizeof(struct context)))) { | |
376 | sr_err("zp: %s: ctx malloc failed", __func__); | |
377 | return 0; | |
378 | } | |
379 | ||
380 | /* Set some sane defaults. */ | |
381 | ctx->cur_samplerate = 0; | |
382 | ctx->limit_samples = 0; | |
383 | /* TODO: num_channels isn't initialized before it's needed :( */ | |
384 | ctx->num_channels = NUM_PROBES; | |
385 | ctx->memory_size = 0; | |
386 | ctx->probe_mask = 0; | |
387 | memset(ctx->trigger_mask, 0, NUM_TRIGGER_STAGES); | |
388 | memset(ctx->trigger_value, 0, NUM_TRIGGER_STAGES); | |
389 | // memset(ctx->trigger_buffer, 0, NUM_TRIGGER_STAGES); | |
390 | ||
391 | /* Find all ZEROPLUS analyzers and add them to device list. */ | |
392 | devcnt = 0; | |
393 | libusb_get_device_list(usb_context, &devlist); /* TODO: Errors. */ | |
394 | ||
395 | for (i = 0; devlist[i]; i++) { | |
396 | ret = libusb_get_device_descriptor(devlist[i], &des); | |
397 | if (ret != 0) { | |
398 | sr_err("zp: failed to get device descriptor: %d", ret); | |
399 | continue; | |
400 | } | |
401 | ||
402 | if (des.idVendor == USB_VENDOR) { | |
403 | /* | |
404 | * Definitely a ZEROPLUS. | |
405 | * TODO: Any way to detect specific model/version in | |
406 | * the ZEROPLUS range? | |
407 | */ | |
408 | /* Register the device with libsigrok. */ | |
409 | if (!(sdi = sr_dev_inst_new(devcnt, | |
410 | SR_ST_INACTIVE, VENDOR_NAME, | |
411 | MODEL_NAME, MODEL_VERSION))) { | |
412 | sr_err("zp: %s: sr_dev_inst_new failed", | |
413 | __func__); | |
414 | return 0; | |
415 | } | |
416 | ||
417 | sdi->priv = ctx; | |
418 | ||
419 | devices = g_slist_append(devices, sdi); | |
420 | zdi->instances = g_slist_append(zdi->instances, sdi); | |
421 | ctx->usb = sr_usb_dev_inst_new( | |
422 | libusb_get_bus_number(devlist[i]), | |
423 | libusb_get_device_address(devlist[i]), NULL); | |
424 | devcnt++; | |
425 | } | |
426 | } | |
427 | libusb_free_device_list(devlist, 1); | |
428 | ||
429 | return devices; | |
430 | } | |
431 | ||
432 | static int hw_dev_open(int dev_index) | |
433 | { | |
434 | struct sr_dev_inst *sdi; | |
435 | struct context *ctx; | |
436 | int ret; | |
437 | ||
438 | if (!(sdi = zp_open_dev(dev_index))) { | |
439 | sr_err("zp: unable to open device"); | |
440 | return SR_ERR; | |
441 | } | |
442 | ||
443 | /* TODO: Note: sdi is retrieved in zp_open_dev(). */ | |
444 | ||
445 | if (!(ctx = sdi->priv)) { | |
446 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
447 | return SR_ERR_ARG; | |
448 | } | |
449 | ||
450 | ret = libusb_set_configuration(ctx->usb->devhdl, USB_CONFIGURATION); | |
451 | if (ret < 0) { | |
452 | sr_err("zp: Unable to set USB configuration %d: %d", | |
453 | USB_CONFIGURATION, ret); | |
454 | return SR_ERR; | |
455 | } | |
456 | ||
457 | ret = libusb_claim_interface(ctx->usb->devhdl, USB_INTERFACE); | |
458 | if (ret != 0) { | |
459 | sr_err("zp: Unable to claim interface: %d", ret); | |
460 | return SR_ERR; | |
461 | } | |
462 | ||
463 | analyzer_reset(ctx->usb->devhdl); | |
464 | analyzer_initialize(ctx->usb->devhdl); | |
465 | ||
466 | analyzer_set_memory_size(MEMORY_SIZE_512K); | |
467 | // analyzer_set_freq(g_freq, g_freq_scale); | |
468 | analyzer_set_trigger_count(1); | |
469 | // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger) | |
470 | // * get_memory_size(g_memory_size)) / 100) >> 2); | |
471 | analyzer_set_ramsize_trigger_address( | |
472 | (100 * get_memory_size(MEMORY_SIZE_512K) / 100) >> 2); | |
473 | ||
474 | #if 0 | |
475 | if (g_double_mode == 1) | |
476 | analyzer_set_compression(COMPRESSION_DOUBLE); | |
477 | else if (g_compression == 1) | |
478 | analyzer_set_compression(COMPRESSION_ENABLE); | |
479 | else | |
480 | #endif | |
481 | analyzer_set_compression(COMPRESSION_NONE); | |
482 | ||
483 | if (ctx->cur_samplerate == 0) { | |
484 | /* Samplerate hasn't been set. Default to the slowest one. */ | |
485 | if (hw_dev_config_set(dev_index, SR_HWCAP_SAMPLERATE, | |
486 | &samplerates.list[0]) == SR_ERR) | |
487 | return SR_ERR; | |
488 | } | |
489 | ||
490 | return SR_OK; | |
491 | } | |
492 | ||
493 | static int hw_dev_close(int dev_index) | |
494 | { | |
495 | struct sr_dev_inst *sdi; | |
496 | ||
497 | if (!(sdi = sr_dev_inst_get(zdi->instances, dev_index))) { | |
498 | sr_err("zp: %s: sdi was NULL", __func__); | |
499 | return SR_ERR; /* TODO: SR_ERR_ARG? */ | |
500 | } | |
501 | ||
502 | /* TODO */ | |
503 | close_dev(sdi); | |
504 | ||
505 | return SR_OK; | |
506 | } | |
507 | ||
508 | static int hw_cleanup(void) | |
509 | { | |
510 | ||
511 | clear_instances(); | |
512 | ||
513 | if (usb_context) | |
514 | libusb_exit(usb_context); | |
515 | usb_context = NULL; | |
516 | ||
517 | return SR_OK; | |
518 | } | |
519 | ||
520 | static const void *hw_dev_info_get(int dev_index, int dev_info_id) | |
521 | { | |
522 | struct sr_dev_inst *sdi; | |
523 | struct context *ctx; | |
524 | const void *info; | |
525 | ||
526 | if (!(sdi = sr_dev_inst_get(zdi->instances, dev_index))) { | |
527 | sr_err("zp: %s: sdi was NULL", __func__); | |
528 | return NULL; | |
529 | } | |
530 | ||
531 | if (!(ctx = sdi->priv)) { | |
532 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
533 | return NULL; | |
534 | } | |
535 | ||
536 | sr_spew("zp: %s: dev_index %d, dev_info_id %d.", __func__, | |
537 | dev_index, dev_info_id); | |
538 | ||
539 | switch (dev_info_id) { | |
540 | case SR_DI_INST: | |
541 | info = sdi; | |
542 | sr_spew("zp: %s: Returning sdi.", __func__); | |
543 | break; | |
544 | case SR_DI_NUM_PROBES: | |
545 | info = GINT_TO_POINTER(ctx->num_channels); | |
546 | sr_spew("zp: %s: Returning number of probes: %d.", __func__, | |
547 | NUM_PROBES); | |
548 | break; | |
549 | case SR_DI_PROBE_NAMES: | |
550 | info = probe_names; | |
551 | sr_spew("zp: %s: Returning probenames.", __func__); | |
552 | break; | |
553 | case SR_DI_SAMPLERATES: | |
554 | info = &samplerates; | |
555 | sr_spew("zp: %s: Returning samplerates.", __func__); | |
556 | break; | |
557 | case SR_DI_TRIGGER_TYPES: | |
558 | info = TRIGGER_TYPES; | |
559 | sr_spew("zp: %s: Returning triggertypes: %s.", __func__, info); | |
560 | break; | |
561 | case SR_DI_CUR_SAMPLERATE: | |
562 | info = &ctx->cur_samplerate; | |
563 | sr_spew("zp: %s: Returning samplerate: %" PRIu64 "Hz.", | |
564 | __func__, ctx->cur_samplerate); | |
565 | break; | |
566 | default: | |
567 | /* Unknown device info ID, return NULL. */ | |
568 | sr_err("zp: %s: Unknown device info ID", __func__); | |
569 | info = NULL; | |
570 | break; | |
571 | } | |
572 | ||
573 | return info; | |
574 | } | |
575 | ||
576 | static int hw_dev_status_get(int dev_index) | |
577 | { | |
578 | struct sr_dev_inst *sdi; | |
579 | ||
580 | sdi = sr_dev_inst_get(zdi->instances, dev_index); | |
581 | if (sdi) | |
582 | return sdi->status; | |
583 | else | |
584 | return SR_ST_NOT_FOUND; | |
585 | } | |
586 | ||
587 | static const int *hw_hwcap_get_all(void) | |
588 | { | |
589 | return hwcaps; | |
590 | } | |
591 | ||
592 | static int set_samplerate(struct sr_dev_inst *sdi, uint64_t samplerate) | |
593 | { | |
594 | struct context *ctx; | |
595 | ||
596 | if (!sdi) { | |
597 | sr_err("zp: %s: sdi was NULL", __func__); | |
598 | return SR_ERR_ARG; | |
599 | } | |
600 | ||
601 | if (!(ctx = sdi->priv)) { | |
602 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
603 | return SR_ERR_ARG; | |
604 | } | |
605 | ||
606 | sr_info("zp: Setting samplerate to %" PRIu64 "Hz.", samplerate); | |
607 | ||
608 | if (samplerate > SR_MHZ(1)) | |
609 | analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ); | |
610 | else if (samplerate > SR_KHZ(1)) | |
611 | analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ); | |
612 | else | |
613 | analyzer_set_freq(samplerate, FREQ_SCALE_HZ); | |
614 | ||
615 | ctx->cur_samplerate = samplerate; | |
616 | ||
617 | return SR_OK; | |
618 | } | |
619 | ||
620 | static int hw_dev_config_set(int dev_index, int hwcap, const void *value) | |
621 | { | |
622 | struct sr_dev_inst *sdi; | |
623 | struct context *ctx; | |
624 | ||
625 | if (!(sdi = sr_dev_inst_get(zdi->instances, dev_index))) { | |
626 | sr_err("zp: %s: sdi was NULL", __func__); | |
627 | return SR_ERR; | |
628 | } | |
629 | ||
630 | if (!(ctx = sdi->priv)) { | |
631 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
632 | return SR_ERR_ARG; | |
633 | } | |
634 | ||
635 | switch (hwcap) { | |
636 | case SR_HWCAP_SAMPLERATE: | |
637 | return set_samplerate(sdi, *(const uint64_t *)value); | |
638 | case SR_HWCAP_PROBECONFIG: | |
639 | return configure_probes(sdi, (const GSList *)value); | |
640 | case SR_HWCAP_LIMIT_SAMPLES: | |
641 | ctx->limit_samples = *(const uint64_t *)value; | |
642 | return SR_OK; | |
643 | default: | |
644 | return SR_ERR; | |
645 | } | |
646 | } | |
647 | ||
648 | static int hw_dev_acquisition_start(int dev_index, void *cb_data) | |
649 | { | |
650 | struct sr_dev_inst *sdi; | |
651 | struct sr_datafeed_packet packet; | |
652 | struct sr_datafeed_logic logic; | |
653 | struct sr_datafeed_header header; | |
654 | struct sr_datafeed_meta_logic meta; | |
655 | uint64_t samples_read; | |
656 | int res; | |
657 | unsigned int packet_num; | |
658 | unsigned char *buf; | |
659 | struct context *ctx; | |
660 | ||
661 | if (!(sdi = sr_dev_inst_get(zdi->instances, dev_index))) { | |
662 | sr_err("zp: %s: sdi was NULL", __func__); | |
663 | return SR_ERR; | |
664 | } | |
665 | ||
666 | if (!(ctx = sdi->priv)) { | |
667 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
668 | return SR_ERR_ARG; | |
669 | } | |
670 | ||
671 | /* push configured settings to device */ | |
672 | analyzer_configure(ctx->usb->devhdl); | |
673 | ||
674 | analyzer_start(ctx->usb->devhdl); | |
675 | sr_info("zp: Waiting for data"); | |
676 | analyzer_wait_data(ctx->usb->devhdl); | |
677 | ||
678 | sr_info("zp: Stop address = 0x%x", | |
679 | analyzer_get_stop_address(ctx->usb->devhdl)); | |
680 | sr_info("zp: Now address = 0x%x", | |
681 | analyzer_get_now_address(ctx->usb->devhdl)); | |
682 | sr_info("zp: Trigger address = 0x%x", | |
683 | analyzer_get_trigger_address(ctx->usb->devhdl)); | |
684 | ||
685 | packet.type = SR_DF_HEADER; | |
686 | packet.payload = &header; | |
687 | header.feed_version = 1; | |
688 | gettimeofday(&header.starttime, NULL); | |
689 | sr_session_send(cb_data, &packet); | |
690 | ||
691 | /* Send metadata about the SR_DF_LOGIC packets to come. */ | |
692 | packet.type = SR_DF_META_LOGIC; | |
693 | packet.payload = &meta; | |
694 | meta.samplerate = ctx->cur_samplerate; | |
695 | meta.num_probes = ctx->num_channels; | |
696 | sr_session_send(cb_data, &packet); | |
697 | ||
698 | if (!(buf = g_try_malloc(PACKET_SIZE))) { | |
699 | sr_err("zp: %s: buf malloc failed", __func__); | |
700 | return SR_ERR_MALLOC; | |
701 | } | |
702 | ||
703 | samples_read = 0; | |
704 | analyzer_read_start(ctx->usb->devhdl); | |
705 | /* Send the incoming transfer to the session bus. */ | |
706 | for (packet_num = 0; packet_num < (ctx->memory_size * 4 / PACKET_SIZE); | |
707 | packet_num++) { | |
708 | res = analyzer_read_data(ctx->usb->devhdl, buf, PACKET_SIZE); | |
709 | sr_info("zp: Tried to read %llx bytes, actually read %x bytes", | |
710 | PACKET_SIZE, res); | |
711 | ||
712 | packet.type = SR_DF_LOGIC; | |
713 | packet.payload = &logic; | |
714 | logic.length = PACKET_SIZE; | |
715 | logic.unitsize = 4; | |
716 | logic.data = buf; | |
717 | sr_session_send(cb_data, &packet); | |
718 | samples_read += res / 4; | |
719 | } | |
720 | analyzer_read_stop(ctx->usb->devhdl); | |
721 | g_free(buf); | |
722 | ||
723 | packet.type = SR_DF_END; | |
724 | sr_session_send(cb_data, &packet); | |
725 | ||
726 | return SR_OK; | |
727 | } | |
728 | ||
729 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ | |
730 | static int hw_dev_acquisition_stop(int dev_index, void *cb_data) | |
731 | { | |
732 | struct sr_datafeed_packet packet; | |
733 | struct sr_dev_inst *sdi; | |
734 | struct context *ctx; | |
735 | ||
736 | packet.type = SR_DF_END; | |
737 | sr_session_send(cb_data, &packet); | |
738 | ||
739 | if (!(sdi = sr_dev_inst_get(zdi->instances, dev_index))) { | |
740 | sr_err("zp: %s: sdi was NULL", __func__); | |
741 | return SR_ERR_BUG; | |
742 | } | |
743 | ||
744 | if (!(ctx = sdi->priv)) { | |
745 | sr_err("zp: %s: sdi->priv was NULL", __func__); | |
746 | return SR_ERR_BUG; | |
747 | } | |
748 | ||
749 | analyzer_reset(ctx->usb->devhdl); | |
750 | /* TODO: Need to cancel and free any queued up transfers. */ | |
751 | ||
752 | return SR_OK; | |
753 | } | |
754 | ||
755 | SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info = { | |
756 | .name = "zeroplus-logic-cube", | |
757 | .longname = "ZEROPLUS Logic Cube LAP-C series", | |
758 | .api_version = 1, | |
759 | .init = hw_init, | |
760 | .cleanup = hw_cleanup, | |
761 | .scan = hw_scan, | |
762 | .dev_open = hw_dev_open, | |
763 | .dev_close = hw_dev_close, | |
764 | .dev_info_get = hw_dev_info_get, | |
765 | .dev_status_get = hw_dev_status_get, | |
766 | .hwcap_get_all = hw_hwcap_get_all, | |
767 | .dev_config_set = hw_dev_config_set, | |
768 | .dev_acquisition_start = hw_dev_acquisition_start, | |
769 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
770 | .instances = NULL, | |
771 | }; |