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1 | /* | |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de> | |
5 | * Copyright (C) 2012 Bert Vermeulen <bert@biot.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
20 | */ | |
21 | ||
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include <fcntl.h> | |
25 | #include "libsigrok.h" | |
26 | #include "libsigrok-internal.h" | |
27 | #include "genericdmm.h" | |
28 | ||
29 | ||
30 | extern SR_PRIV struct dmmchip dmmchip_fs9922; | |
31 | ||
32 | static struct sr_hwopt victor_70c_vidpid[] = { | |
33 | { SR_HWOPT_CONN, "1244.d237" }, | |
34 | { 0, NULL } | |
35 | }; | |
36 | static struct dev_profile dev_profiles[] = { | |
37 | { "victor-70c", "Victor", "70C", &dmmchip_fs9922, | |
38 | DMM_TRANSPORT_USBHID, victor_70c_vidpid | |
39 | }, | |
40 | { "mastech-va18b", "Mastech", "VA18B", NULL, DMM_TRANSPORT_SERIAL, NULL}, | |
41 | { NULL, NULL, NULL, NULL, 0, NULL } | |
42 | }; | |
43 | ||
44 | static const int hwcaps[] = { | |
45 | SR_HWCAP_MULTIMETER, | |
46 | SR_HWCAP_LIMIT_SAMPLES, | |
47 | SR_HWCAP_LIMIT_MSEC, | |
48 | SR_HWCAP_CONTINUOUS, | |
49 | SR_HWCAP_MODEL, | |
50 | SR_HWCAP_CONN, | |
51 | SR_HWCAP_SERIALCOMM, | |
52 | 0, | |
53 | }; | |
54 | ||
55 | static const char *probe_names[] = { | |
56 | "Probe", | |
57 | NULL, | |
58 | }; | |
59 | ||
60 | /* TODO need a way to keep these local to the static library */ | |
61 | SR_PRIV GSList *genericdmm_dev_insts = NULL; | |
62 | SR_PRIV libusb_context *genericdmm_usb_context = NULL; | |
63 | ||
64 | ||
65 | static int hw_init(void) | |
66 | { | |
67 | ||
68 | if (libusb_init(&genericdmm_usb_context) != 0) { | |
69 | sr_err("genericdmm: Failed to initialize USB."); | |
70 | return SR_ERR; | |
71 | } | |
72 | ||
73 | ||
74 | return SR_OK; | |
75 | } | |
76 | ||
77 | static int hw_scan(void) | |
78 | { | |
79 | struct sr_dev_inst *sdi; | |
80 | struct context *ctx; | |
81 | int devcnt = 0; | |
82 | ||
83 | if (!(ctx = g_try_malloc0(sizeof(struct context)))) { | |
84 | sr_err("genericdmm: ctx malloc failed."); | |
85 | return 0; | |
86 | } | |
87 | ||
88 | devcnt = g_slist_length(genericdmm_dev_insts); | |
89 | if (!(sdi = sr_dev_inst_new(devcnt, SR_ST_ACTIVE, "Generic DMM", | |
90 | NULL, NULL))) { | |
91 | sr_err("genericdmm: sr_dev_inst_new returned NULL."); | |
92 | return 0; | |
93 | } | |
94 | sdi->priv = ctx; | |
95 | genericdmm_dev_insts = g_slist_append(genericdmm_dev_insts, sdi); | |
96 | ||
97 | /* Always initialized just one device instance. */ | |
98 | return 0; | |
99 | } | |
100 | ||
101 | static int hw_dev_open(int dev_index) | |
102 | { | |
103 | struct sr_dev_inst *sdi; | |
104 | struct context *ctx; | |
105 | ||
106 | if (!(sdi = sr_dev_inst_get(genericdmm_dev_insts, dev_index))) { | |
107 | sr_err("genericdmm: sdi was NULL."); | |
108 | return SR_ERR_BUG; | |
109 | } | |
110 | ||
111 | if (!(ctx = sdi->priv)) { | |
112 | sr_err("genericdmm: sdi->priv was NULL."); | |
113 | return SR_ERR_BUG; | |
114 | } | |
115 | ||
116 | sr_dbg("genericdmm: Opening serial port '%s'.", ctx->serial->port); | |
117 | ||
118 | switch (ctx->profile->transport) { | |
119 | case DMM_TRANSPORT_USBHID: | |
120 | /* TODO */ | |
121 | break; | |
122 | case DMM_TRANSPORT_SERIAL: | |
123 | /* TODO: O_NONBLOCK? */ | |
124 | ctx->serial->fd = serial_open(ctx->serial->port, O_RDWR | O_NONBLOCK); | |
125 | if (ctx->serial->fd == -1) { | |
126 | sr_err("genericdmm: Couldn't open serial port '%s'.", | |
127 | ctx->serial->port); | |
128 | return SR_ERR; | |
129 | } | |
130 | // serial_set_params(ctx->serial->fd, 2400, 8, 0, 1, 2); | |
131 | break; | |
132 | default: | |
133 | sr_err("No transport set."); | |
134 | } | |
135 | ||
136 | return SR_OK; | |
137 | } | |
138 | ||
139 | static int hw_dev_close(int dev_index) | |
140 | { | |
141 | struct sr_dev_inst *sdi; | |
142 | struct context *ctx; | |
143 | ||
144 | if (!(sdi = sr_dev_inst_get(genericdmm_dev_insts, dev_index))) { | |
145 | sr_err("genericdmm: %s: sdi was NULL.", __func__); | |
146 | return SR_ERR_BUG; | |
147 | } | |
148 | ||
149 | if (!(ctx = sdi->priv)) { | |
150 | sr_err("genericdmm: %s: sdi->priv was NULL.", __func__); | |
151 | return SR_ERR_BUG; | |
152 | } | |
153 | ||
154 | /* TODO: Check for != NULL. */ | |
155 | ||
156 | switch (ctx->profile->transport) { | |
157 | case DMM_TRANSPORT_USBHID: | |
158 | /* TODO */ | |
159 | break; | |
160 | case DMM_TRANSPORT_SERIAL: | |
161 | if (ctx->serial && ctx->serial->fd != -1) { | |
162 | serial_close(ctx->serial->fd); | |
163 | ctx->serial->fd = -1; | |
164 | sdi->status = SR_ST_INACTIVE; | |
165 | } | |
166 | break; | |
167 | } | |
168 | ||
169 | return SR_OK; | |
170 | } | |
171 | ||
172 | static int hw_cleanup(void) | |
173 | { | |
174 | GSList *l; | |
175 | struct sr_dev_inst *sdi; | |
176 | struct context *ctx; | |
177 | ||
178 | /* Properly close and free all devices. */ | |
179 | for (l = genericdmm_dev_insts; l; l = l->next) { | |
180 | if (!(sdi = l->data)) { | |
181 | /* Log error, but continue cleaning up the rest. */ | |
182 | sr_err("genericdmm: sdi was NULL, continuing."); | |
183 | continue; | |
184 | } | |
185 | if (!(ctx = sdi->priv)) { | |
186 | /* Log error, but continue cleaning up the rest. */ | |
187 | sr_err("genericdmm: sdi->priv was NULL, continuing."); | |
188 | continue; | |
189 | } | |
190 | ||
191 | if (ctx->profile) { | |
192 | switch (ctx->profile->transport) { | |
193 | case DMM_TRANSPORT_USBHID: | |
194 | /* TODO */ | |
195 | break; | |
196 | case DMM_TRANSPORT_SERIAL: | |
197 | if (ctx->serial && ctx->serial->fd != -1) | |
198 | serial_close(ctx->serial->fd); | |
199 | sr_serial_dev_inst_free(ctx->serial); | |
200 | break; | |
201 | } | |
202 | } | |
203 | ||
204 | sr_dev_inst_free(sdi); | |
205 | } | |
206 | ||
207 | g_slist_free(genericdmm_dev_insts); | |
208 | genericdmm_dev_insts = NULL; | |
209 | ||
210 | if (genericdmm_usb_context) | |
211 | libusb_exit(genericdmm_usb_context); | |
212 | ||
213 | return SR_OK; | |
214 | } | |
215 | ||
216 | static const void *hw_dev_info_get(int dev_index, int dev_info_id) | |
217 | { | |
218 | struct sr_dev_inst *sdi; | |
219 | struct context *ctx; | |
220 | const void *info; | |
221 | ||
222 | if (!(sdi = sr_dev_inst_get(genericdmm_dev_insts, dev_index))) { | |
223 | sr_err("genericdmm: sdi was NULL."); | |
224 | return NULL; | |
225 | } | |
226 | ||
227 | if (!(ctx = sdi->priv)) { | |
228 | sr_err("genericdmm: sdi->priv was NULL."); | |
229 | return NULL; | |
230 | } | |
231 | ||
232 | sr_spew("genericdmm: dev_index %d, dev_info_id %d.", | |
233 | dev_index, dev_info_id); | |
234 | ||
235 | switch (dev_info_id) { | |
236 | case SR_DI_INST: | |
237 | info = sdi; | |
238 | sr_spew("genericdmm: Returning sdi."); | |
239 | break; | |
240 | case SR_DI_NUM_PROBES: | |
241 | info = GINT_TO_POINTER(1); | |
242 | sr_spew("genericdmm: Returning number of probes: 1."); | |
243 | break; | |
244 | case SR_DI_PROBE_NAMES: | |
245 | info = probe_names; | |
246 | sr_spew("genericdmm: Returning probenames."); | |
247 | break; | |
248 | case SR_DI_CUR_SAMPLERATE: | |
249 | /* TODO get rid of this */ | |
250 | info = NULL; | |
251 | sr_spew("genericdmm: Returning samplerate: 0."); | |
252 | break; | |
253 | default: | |
254 | /* Unknown device info ID. */ | |
255 | sr_err("genericdmm: Unknown device info ID: %d.", dev_info_id); | |
256 | info = NULL; | |
257 | break; | |
258 | } | |
259 | ||
260 | return info; | |
261 | } | |
262 | ||
263 | static int hw_dev_status_get(int dev_index) | |
264 | { | |
265 | struct sr_dev_inst *sdi; | |
266 | ||
267 | if (!(sdi = sr_dev_inst_get(genericdmm_dev_insts, dev_index))) { | |
268 | sr_err("genericdmm: sdi was NULL, device not found."); | |
269 | return SR_ST_NOT_FOUND; | |
270 | } | |
271 | ||
272 | sr_dbg("genericdmm: Returning status: %d.", sdi->status); | |
273 | ||
274 | return sdi->status; | |
275 | } | |
276 | ||
277 | static const int *hw_hwcap_get_all(void) | |
278 | { | |
279 | sr_spew("genericdmm: Returning list of device capabilities."); | |
280 | ||
281 | return hwcaps; | |
282 | } | |
283 | ||
284 | static int parse_conn_vidpid(struct sr_dev_inst *sdi, const char *conn) | |
285 | { | |
286 | struct context *ctx; | |
287 | libusb_device **devlist; | |
288 | struct libusb_device_descriptor des; | |
289 | GRegex *reg; | |
290 | GMatchInfo *match; | |
291 | int vid, pid, found, err, i; | |
292 | char *vidstr, *pidstr; | |
293 | ||
294 | found = FALSE; | |
295 | ||
296 | reg = g_regex_new(DMM_CONN_USB_VIDPID, 0, 0, NULL); | |
297 | if (g_regex_match(reg, conn, 0, &match)) { | |
298 | /* Extract VID. */ | |
299 | if (!(vidstr = g_match_info_fetch(match, 0))) { | |
300 | sr_err("failed to fetch VID from regex"); | |
301 | goto err; | |
302 | } | |
303 | vid = strtoul(vidstr, NULL, 16); | |
304 | g_free(vidstr); | |
305 | if (vid > 0xffff) { | |
306 | sr_err("invalid VID"); | |
307 | goto err; | |
308 | } | |
309 | ||
310 | /* Extract PID. */ | |
311 | if (!(pidstr = g_match_info_fetch(match, 0))) { | |
312 | sr_err("failed to fetch PID from regex"); | |
313 | goto err; | |
314 | } | |
315 | pid = strtoul(pidstr, NULL, 16); | |
316 | g_free(pidstr); | |
317 | if (pid > 0xffff) { | |
318 | sr_err("invalid PID"); | |
319 | goto err; | |
320 | } | |
321 | ||
322 | /* Looks like a valid VID:PID, but is it connected? */ | |
323 | libusb_get_device_list(genericdmm_usb_context, &devlist); | |
324 | for (i = 0; devlist[i]; i++) { | |
325 | if ((err = libusb_get_device_descriptor(devlist[i], &des))) { | |
326 | sr_err("genericdmm: failed to get device descriptor: %d", err); | |
327 | goto err; | |
328 | } | |
329 | ||
330 | if (des.idVendor == vid && des.idProduct == pid) { | |
331 | ctx = sdi->priv; | |
332 | ctx->usb = sr_usb_dev_inst_new( | |
333 | libusb_get_bus_number(devlist[i]), | |
334 | libusb_get_device_address(devlist[i]), NULL); | |
335 | found = TRUE; | |
336 | break; | |
337 | } | |
338 | } | |
339 | libusb_free_device_list(devlist, 1); | |
340 | } | |
341 | ||
342 | err: | |
343 | if (match) | |
344 | g_match_info_unref(match); | |
345 | g_regex_unref(reg); | |
346 | ||
347 | return found; | |
348 | } | |
349 | ||
350 | static int parse_conn_busaddr(struct sr_dev_inst *sdi, const char *conn) | |
351 | { | |
352 | struct context *ctx; | |
353 | libusb_device **devlist; | |
354 | struct libusb_device_descriptor des; | |
355 | GRegex *reg; | |
356 | GMatchInfo *match; | |
357 | int bus, addr, found, err, i; | |
358 | char *busstr, *addrstr; | |
359 | ||
360 | found = FALSE; | |
361 | ||
362 | reg = g_regex_new(DMM_CONN_USB_BUSADDR, 0, 0, NULL); | |
363 | if (g_regex_match(reg, conn, 0, &match)) { | |
364 | /* Extract bus. */ | |
365 | if (!(busstr = g_match_info_fetch(match, 0))) { | |
366 | sr_err("failed to fetch bus from regex"); | |
367 | goto err; | |
368 | } | |
369 | bus = strtoul(busstr, NULL, 16); | |
370 | g_free(busstr); | |
371 | if (bus > 64) { | |
372 | sr_err("invalid bus"); | |
373 | goto err; | |
374 | } | |
375 | ||
376 | /* Extract address. */ | |
377 | if (!(addrstr = g_match_info_fetch(match, 0))) { | |
378 | sr_err("failed to fetch address from regex"); | |
379 | goto err; | |
380 | } | |
381 | addr = strtoul(addrstr, NULL, 16); | |
382 | g_free(addrstr); | |
383 | if (addr > 127) { | |
384 | sr_err("invalid address"); | |
385 | goto err; | |
386 | } | |
387 | ||
388 | /* Looks like a valid bus/address, but is it connected? */ | |
389 | libusb_get_device_list(genericdmm_usb_context, &devlist); | |
390 | for (i = 0; devlist[i]; i++) { | |
391 | if ((err = libusb_get_device_descriptor(devlist[i], &des))) { | |
392 | sr_err("genericdmm: failed to get device descriptor: %d", err); | |
393 | goto err; | |
394 | } | |
395 | ||
396 | if (libusb_get_bus_number(devlist[i]) == bus | |
397 | && libusb_get_device_address(devlist[i]) == addr) { | |
398 | ctx = sdi->priv; | |
399 | ctx->usb = sr_usb_dev_inst_new(bus, addr, NULL); | |
400 | found = TRUE; | |
401 | break; | |
402 | } | |
403 | } | |
404 | libusb_free_device_list(devlist, 1); | |
405 | } | |
406 | ||
407 | err: | |
408 | if (match) | |
409 | g_match_info_unref(match); | |
410 | g_regex_unref(reg); | |
411 | ||
412 | return found; | |
413 | } | |
414 | ||
415 | static int parse_conn_serial(struct sr_dev_inst *sdi, const char *conn) | |
416 | { | |
417 | int found; | |
418 | ||
419 | found = FALSE; | |
420 | ||
421 | /* TODO */ | |
422 | ||
423 | return found; | |
424 | } | |
425 | ||
426 | static int parse_conn(struct sr_dev_inst *sdi, const char *conn) | |
427 | { | |
428 | ||
429 | if (parse_conn_vidpid(sdi, conn)) | |
430 | return SR_OK; | |
431 | ||
432 | if (parse_conn_busaddr(sdi, conn)) | |
433 | return SR_OK; | |
434 | ||
435 | if (parse_conn_serial(sdi, conn)) | |
436 | return SR_OK; | |
437 | ||
438 | sr_err("Invalid connection specification"); | |
439 | ||
440 | return SR_ERR; | |
441 | } | |
442 | ||
443 | static int parse_serialcomm(struct sr_dev_inst *sdi, const char *conn) | |
444 | { | |
445 | ||
446 | /* TODO */ | |
447 | /* set ctx->serial_* */ | |
448 | ||
449 | return SR_OK; | |
450 | } | |
451 | ||
452 | static int hw_dev_config_set(int dev_index, int hwcap, const void *value) | |
453 | { | |
454 | struct sr_dev_inst *sdi; | |
455 | struct context *ctx; | |
456 | int i; | |
457 | ||
458 | if (!(sdi = sr_dev_inst_get(genericdmm_dev_insts, dev_index))) { | |
459 | sr_err("genericdmm: sdi was NULL."); | |
460 | return SR_ERR_BUG; | |
461 | } | |
462 | ||
463 | if (!(ctx = sdi->priv)) { | |
464 | sr_err("genericdmm: sdi->priv was NULL."); | |
465 | return SR_ERR_BUG; | |
466 | } | |
467 | ||
468 | sr_spew("genericdmm: dev_index %d, hwcap %d.", dev_index, hwcap); | |
469 | ||
470 | switch (hwcap) { | |
471 | case SR_HWCAP_LIMIT_MSEC: | |
472 | if (*(const uint64_t *)value == 0) { | |
473 | sr_err("genericdmm: LIMIT_MSEC can't be 0."); | |
474 | return SR_ERR; | |
475 | } | |
476 | ctx->limit_msec = *(const uint64_t *)value; | |
477 | sr_dbg("genericdmm: Setting LIMIT_MSEC to %" PRIu64 ".", | |
478 | ctx->limit_msec); | |
479 | break; | |
480 | case SR_HWCAP_LIMIT_SAMPLES: | |
481 | ctx->limit_samples = *(const uint64_t *)value; | |
482 | sr_dbg("genericdmm: Setting LIMIT_SAMPLES to %" PRIu64 ".", | |
483 | ctx->limit_samples); | |
484 | break; | |
485 | case SR_HWCAP_MODEL: | |
486 | for (i = 0; dev_profiles[i].model; i++) { | |
487 | if (!strcasecmp(dev_profiles[i].model, value)) { | |
488 | ctx->profile = &dev_profiles[i]; | |
489 | /* Frontends access these fields directly, so we | |
490 | * need to copy them over. */ | |
491 | sdi->vendor = g_strdup(dev_profiles[i].vendor); | |
492 | sdi->model = g_strdup(dev_profiles[i].model); | |
493 | /* This is the first time we actually know which | |
494 | * DMM chip we're talking to, so let's init | |
495 | * anything specific to it now */ | |
496 | if (ctx->profile->chip->init) | |
497 | if (ctx->profile->chip->init(ctx) != SR_OK) | |
498 | return SR_ERR; | |
499 | break; | |
500 | } | |
501 | } | |
502 | if (!ctx->profile) { | |
503 | sr_err("unknown model %s", value); | |
504 | return SR_ERR; | |
505 | } | |
506 | break; | |
507 | case SR_HWCAP_CONN: | |
508 | if (parse_conn(sdi, value) != SR_OK) | |
509 | return SR_ERR_ARG; | |
510 | break; | |
511 | case SR_HWCAP_SERIALCOMM: | |
512 | if (parse_serialcomm(sdi, value) != SR_OK) | |
513 | return SR_ERR_ARG; | |
514 | break; | |
515 | default: | |
516 | sr_err("genericdmm: Unknown capability: %d.", hwcap); | |
517 | return SR_ERR; | |
518 | break; | |
519 | } | |
520 | ||
521 | return SR_OK; | |
522 | } | |
523 | ||
524 | static int receive_data(int fd, int revents, void *cb_data) | |
525 | { | |
526 | struct sr_dev_inst *sdi; | |
527 | struct context *ctx; | |
528 | ||
529 | if (!(sdi = cb_data)) | |
530 | return FALSE; | |
531 | ||
532 | if (!(ctx = sdi->priv)) | |
533 | return FALSE; | |
534 | ||
535 | if (revents != G_IO_IN) { | |
536 | sr_err("genericdmm: No data?"); | |
537 | return FALSE; | |
538 | } | |
539 | ||
540 | switch (ctx->profile->transport) { | |
541 | case DMM_TRANSPORT_USBHID: | |
542 | /* TODO */ | |
543 | break; | |
544 | case DMM_TRANSPORT_SERIAL: | |
545 | /* TODO */ | |
546 | break; | |
547 | } | |
548 | ||
549 | return TRUE; | |
550 | } | |
551 | ||
552 | static int hw_dev_acquisition_start(int dev_index, void *cb_data) | |
553 | { | |
554 | struct sr_datafeed_packet packet; | |
555 | struct sr_datafeed_header header; | |
556 | struct sr_datafeed_meta_analog meta; | |
557 | struct sr_dev_inst *sdi; | |
558 | struct context *ctx; | |
559 | ||
560 | if (!(sdi = sr_dev_inst_get(genericdmm_dev_insts, dev_index))) { | |
561 | sr_err("genericdmm: sdi was NULL."); | |
562 | return SR_ERR_BUG; | |
563 | } | |
564 | ||
565 | if (!(ctx = sdi->priv)) { | |
566 | sr_err("genericdmm: sdi->priv was NULL."); | |
567 | return SR_ERR_BUG; | |
568 | } | |
569 | ||
570 | sr_dbg("genericdmm: Starting acquisition."); | |
571 | ||
572 | ctx->cb_data = cb_data; | |
573 | ||
574 | /* Send header packet to the session bus. */ | |
575 | sr_dbg("genericdmm: Sending SR_DF_HEADER."); | |
576 | packet.type = SR_DF_HEADER; | |
577 | packet.payload = (uint8_t *)&header; | |
578 | header.feed_version = 1; | |
579 | gettimeofday(&header.starttime, NULL); | |
580 | sr_session_send(ctx->cb_data, &packet); | |
581 | ||
582 | /* Send metadata about the SR_DF_ANALOG packets to come. */ | |
583 | sr_dbg("genericdmm: Sending SR_DF_META_ANALOG."); | |
584 | packet.type = SR_DF_META_ANALOG; | |
585 | packet.payload = &meta; | |
586 | meta.num_probes = 1; | |
587 | sr_session_send(ctx->cb_data, &packet); | |
588 | ||
589 | /* Hook up a proxy handler to receive data from the device. */ | |
590 | switch (ctx->profile->transport) { | |
591 | case DMM_TRANSPORT_USBHID: | |
592 | /* TODO libusb FD setup */ | |
593 | break; | |
594 | case DMM_TRANSPORT_SERIAL: | |
595 | /* TODO serial FD setup */ | |
596 | // sr_source_add(ctx->serial->fd, G_IO_IN, -1, receive_data, sdi); | |
597 | break; | |
598 | } | |
599 | ||
600 | return SR_OK; | |
601 | } | |
602 | ||
603 | static int hw_dev_acquisition_stop(int dev_index, void *cb_data) | |
604 | { | |
605 | struct sr_datafeed_packet packet; | |
606 | ||
607 | /* Avoid compiler warnings. */ | |
608 | (void)dev_index; | |
609 | ||
610 | sr_dbg("genericdmm: Stopping acquisition."); | |
611 | ||
612 | /* Send end packet to the session bus. */ | |
613 | sr_dbg("genericdmm: Sending SR_DF_END."); | |
614 | packet.type = SR_DF_END; | |
615 | sr_session_send(cb_data, &packet); | |
616 | ||
617 | return SR_OK; | |
618 | } | |
619 | ||
620 | SR_PRIV struct sr_dev_driver genericdmm_driver_info = { | |
621 | .name = "genericdmm", | |
622 | .longname = "Generic DMM", | |
623 | .api_version = 1, | |
624 | .init = hw_init, | |
625 | .cleanup = hw_cleanup, | |
626 | .scan = hw_scan, | |
627 | .dev_open = hw_dev_open, | |
628 | .dev_close = hw_dev_close, | |
629 | .dev_info_get = hw_dev_info_get, | |
630 | .dev_status_get = hw_dev_status_get, | |
631 | .hwcap_get_all = hw_hwcap_get_all, | |
632 | .dev_config_set = hw_dev_config_set, | |
633 | .dev_acquisition_start = hw_dev_acquisition_start, | |
634 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
635 | }; |