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ca3d84cc BV |
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> | |
45c59c8b BV |
25 | #include "libsigrok.h" |
26 | #include "libsigrok-internal.h" | |
ca3d84cc BV |
27 | #include "genericdmm.h" |
28 | ||
29 | ||
30 | extern SR_PRIV struct dmmchip dmmchip_fs9922; | |
31 | ||
7fc754a0 BV |
32 | static struct sr_hwopt victor_70c_vidpid[] = { |
33 | { SR_HWOPT_CONN, "1244.d237" }, | |
34 | { 0, NULL } | |
35 | }; | |
ca3d84cc BV |
36 | static struct dev_profile dev_profiles[] = { |
37 | { "victor-70c", "Victor", "70C", &dmmchip_fs9922, | |
7fc754a0 BV |
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 } | |
ca3d84cc BV |
42 | }; |
43 | ||
f1a14ea7 BV |
44 | static const int hwopts[] = { |
45 | SR_HWOPT_MODEL, | |
46 | SR_HWOPT_CONN, | |
47 | SR_HWOPT_SERIALCOMM, | |
48 | 0, | |
49 | }; | |
50 | ||
ca3d84cc BV |
51 | static const int hwcaps[] = { |
52 | SR_HWCAP_MULTIMETER, | |
53 | SR_HWCAP_LIMIT_SAMPLES, | |
54 | SR_HWCAP_LIMIT_MSEC, | |
55 | SR_HWCAP_CONTINUOUS, | |
ca3d84cc BV |
56 | 0, |
57 | }; | |
58 | ||
59 | static const char *probe_names[] = { | |
60 | "Probe", | |
61 | NULL, | |
62 | }; | |
63 | ||
75337758 BV |
64 | SR_PRIV struct sr_dev_driver genericdmm_driver_info; |
65 | static struct sr_dev_driver *gdi = &genericdmm_driver_info; | |
66 | /* TODO need a way to keep this local to the static library */ | |
ca3d84cc BV |
67 | SR_PRIV libusb_context *genericdmm_usb_context = NULL; |
68 | ||
69 | ||
bbb40871 BV |
70 | static GSList *connect_usb(const char *conn) |
71 | { | |
72 | struct sr_dev_inst *sdi; | |
73 | struct context *ctx; | |
74 | libusb_device **devlist; | |
75 | struct libusb_device_descriptor des; | |
76 | GSList *devices; | |
77 | GRegex *reg; | |
78 | GMatchInfo *match; | |
79 | int vid, pid, bus, addr, devcnt, err, i; | |
80 | char *mstr; | |
81 | ||
82 | vid = pid = bus = addr = 0; | |
83 | reg = g_regex_new(DMM_CONN_USB_VIDPID, 0, 0, NULL); | |
84 | if (g_regex_match(reg, conn, 0, &match)) { | |
85 | /* Extract VID. */ | |
86 | if ((mstr = g_match_info_fetch(match, 1))) | |
87 | vid = strtoul(mstr, NULL, 16); | |
88 | g_free(mstr); | |
89 | ||
90 | /* Extract PID. */ | |
91 | if ((mstr = g_match_info_fetch(match, 2))) | |
92 | pid = strtoul(mstr, NULL, 16); | |
93 | g_free(mstr); | |
94 | } else { | |
95 | g_match_info_unref(match); | |
96 | g_regex_unref(reg); | |
97 | reg = g_regex_new(DMM_CONN_USB_BUSADDR, 0, 0, NULL); | |
98 | if (g_regex_match(reg, conn, 0, &match)) { | |
99 | /* Extract bus. */ | |
100 | if ((mstr = g_match_info_fetch(match, 0))) | |
101 | bus = strtoul(mstr, NULL, 16); | |
102 | g_free(mstr); | |
103 | ||
104 | /* Extract address. */ | |
105 | if ((mstr = g_match_info_fetch(match, 0))) | |
106 | addr = strtoul(mstr, NULL, 16); | |
107 | g_free(mstr); | |
108 | } | |
109 | } | |
110 | g_match_info_unref(match); | |
111 | g_regex_unref(reg); | |
112 | ||
113 | if (vid + pid + bus + addr == 0) | |
114 | return NULL; | |
115 | ||
116 | if (bus > 64) { | |
117 | sr_err("invalid bus"); | |
118 | return NULL; | |
119 | } | |
120 | ||
121 | if (addr > 127) { | |
122 | sr_err("invalid address"); | |
123 | return NULL; | |
124 | } | |
125 | ||
126 | /* Looks like a valid USB device specification, but is it connected? */ | |
127 | devices = NULL; | |
128 | libusb_get_device_list(genericdmm_usb_context, &devlist); | |
129 | for (i = 0; devlist[i]; i++) { | |
130 | if ((err = libusb_get_device_descriptor(devlist[i], &des))) { | |
131 | sr_err("genericdmm: failed to get device descriptor: %d", err); | |
132 | continue; | |
133 | } | |
134 | ||
135 | if (vid + pid && (des.idVendor != vid || des.idProduct != pid)) | |
136 | /* VID/PID specified, but no match. */ | |
137 | continue; | |
138 | ||
139 | if (bus + addr && ( | |
140 | libusb_get_bus_number(devlist[i]) != bus | |
141 | || libusb_get_device_address(devlist[i]) != addr)) | |
142 | /* Bus/address specified, but no match. */ | |
143 | continue; | |
144 | ||
145 | /* Found one. */ | |
146 | if (!(ctx = g_try_malloc0(sizeof(struct context)))) { | |
147 | sr_err("genericdmm: ctx malloc failed."); | |
148 | return 0; | |
149 | } | |
150 | ||
151 | devcnt = g_slist_length(gdi->instances); | |
152 | if (!(sdi = sr_dev_inst_new(devcnt, SR_ST_ACTIVE, | |
d6db79a4 | 153 | NULL, NULL, NULL))) { |
bbb40871 BV |
154 | sr_err("genericdmm: sr_dev_inst_new returned NULL."); |
155 | return NULL; | |
156 | } | |
157 | sdi->priv = ctx; | |
158 | ctx->usb = sr_usb_dev_inst_new( | |
159 | libusb_get_bus_number(devlist[i]), | |
160 | libusb_get_device_address(devlist[i]), NULL); | |
161 | devices = g_slist_append(devices, sdi); | |
162 | } | |
163 | libusb_free_device_list(devlist, 1); | |
164 | ||
165 | return devices; | |
166 | } | |
167 | ||
168 | static GSList *connect_serial(const char *conn, const char *serialcomm) | |
169 | { | |
170 | GSList *devices; | |
171 | ||
172 | devices = NULL; | |
173 | ||
174 | /* TODO */ | |
175 | sr_dbg("not yet implemented"); | |
176 | ||
177 | return devices; | |
178 | } | |
179 | ||
180 | GSList *genericdmm_connect(const char *conn, const char *serialcomm) | |
181 | { | |
182 | GSList *devices; | |
183 | ||
184 | if (serialcomm) | |
185 | /* Must be a serial port. */ | |
186 | return connect_serial(conn, serialcomm); | |
187 | ||
188 | if ((devices = connect_usb(conn))) | |
189 | return devices; | |
190 | ||
191 | return NULL; | |
192 | } | |
193 | ||
3a0fe402 BV |
194 | static GSList *default_scan(GSList *options) |
195 | { | |
196 | GSList *l, *devices; | |
197 | struct sr_hwopt *opt; | |
198 | const char *conn, *serialcomm; | |
199 | ||
200 | devices = NULL; | |
201 | conn = serialcomm = NULL; | |
202 | for (l = options; l; l = l->next) { | |
203 | opt = l->data; | |
204 | switch (opt->hwopt) { | |
205 | case SR_HWOPT_CONN: | |
206 | conn = opt->value; | |
207 | break; | |
208 | case SR_HWOPT_SERIALCOMM: | |
209 | serialcomm = opt->value; | |
210 | break; | |
211 | } | |
212 | } | |
213 | if (conn) | |
214 | devices = genericdmm_connect(conn, serialcomm); | |
215 | ||
216 | return devices; | |
217 | } | |
218 | ||
40dda2c3 | 219 | static int hw_init(void) |
ca3d84cc | 220 | { |
ca3d84cc | 221 | |
ca3d84cc BV |
222 | if (libusb_init(&genericdmm_usb_context) != 0) { |
223 | sr_err("genericdmm: Failed to initialize USB."); | |
61136ea6 | 224 | return SR_ERR; |
ca3d84cc BV |
225 | } |
226 | ||
61136ea6 BV |
227 | |
228 | return SR_OK; | |
229 | } | |
230 | ||
3a0fe402 | 231 | static GSList *hw_scan(GSList *options) |
61136ea6 | 232 | { |
3a0fe402 BV |
233 | GSList *l, *ldef, *defopts, *newopts, *devices; |
234 | struct sr_hwopt *opt, *defopt; | |
235 | struct dev_profile *pr, *profile; | |
d6db79a4 | 236 | struct sr_dev_inst *sdi; |
3a0fe402 BV |
237 | const char *model; |
238 | ||
239 | /* Separate model from the options list. */ | |
240 | model = NULL; | |
241 | newopts = NULL; | |
242 | for (l = options; l; l = l->next) { | |
243 | opt = l->data; | |
244 | if (opt->hwopt == SR_HWOPT_MODEL) | |
245 | model = opt->value; | |
246 | else | |
247 | /* New list with references to the original data. */ | |
248 | newopts = g_slist_append(newopts, opt); | |
249 | } | |
250 | if (!model) { | |
d6db79a4 | 251 | /* This driver only works when a model is specified. */ |
3a0fe402 BV |
252 | return NULL; |
253 | } | |
61136ea6 | 254 | |
3a0fe402 BV |
255 | /* Find a profile with this model name. */ |
256 | profile = NULL; | |
257 | for (pr = dev_profiles; pr->modelid; pr++) { | |
258 | if (!strcmp(pr->modelid, model)) { | |
259 | profile = pr; | |
260 | break; | |
261 | } | |
ca3d84cc | 262 | } |
3a0fe402 BV |
263 | if (!profile) { |
264 | sr_err("Unknown model %s.", model); | |
265 | return NULL; | |
266 | } | |
267 | ||
268 | /* Initialize the DMM chip driver. */ | |
269 | if (profile->chip->init) | |
270 | profile->chip->init(); | |
ca3d84cc | 271 | |
3a0fe402 BV |
272 | /* Convert the profile's default options list to a GSList. */ |
273 | defopts = NULL; | |
274 | for (opt = profile->defaults_opts; opt->hwopt; opt++) { | |
275 | /* New list with references to const data in the profile. */ | |
276 | defopts = g_slist_append(defopts, opt); | |
ca3d84cc | 277 | } |
ca3d84cc | 278 | |
3a0fe402 BV |
279 | /* Options given as argument to this function override the |
280 | * profile's default options. | |
281 | */ | |
282 | for (ldef = defopts; ldef; ldef = ldef->next) { | |
283 | defopt = ldef->data; | |
284 | for (l = newopts; l; l = l->next) { | |
285 | opt = l->data; | |
286 | if (opt->hwopt == defopt->hwopt) { | |
287 | /* Override the default, and drop it from the | |
288 | * options list. | |
289 | */ | |
290 | ldef->data = l->data; | |
291 | newopts = g_slist_remove(newopts, opt); | |
292 | break; | |
293 | } | |
294 | } | |
295 | } | |
296 | /* Whatever is left in newopts wasn't in the default options. */ | |
297 | defopts = g_slist_concat(defopts, newopts); | |
298 | g_slist_free(newopts); | |
299 | ||
300 | if (profile->chip->scan) | |
301 | /* The DMM chip driver wants to do its own scanning. */ | |
302 | devices = profile->chip->scan(defopts); | |
303 | else | |
304 | devices = default_scan(defopts); | |
305 | g_slist_free(defopts); | |
306 | ||
307 | if (devices) { | |
308 | /* TODO: need to fix up sdi->index fields */ | |
d6db79a4 BV |
309 | for (l = devices; l; l = l->next) { |
310 | /* The default connection-based scanner doesn't really | |
311 | * know about profiles, so it never filled in the vendor | |
312 | * or model. Do that now. | |
313 | */ | |
314 | sdi = l->data; | |
315 | sdi->driver = gdi; | |
316 | if (!sdi->vendor) | |
317 | sdi->vendor = g_strdup(profile->vendor); | |
318 | if (!sdi->model) | |
319 | sdi->model = g_strdup(profile->model); | |
320 | /* Add a copy of these new devices to the driver instances. */ | |
3a0fe402 | 321 | gdi->instances = g_slist_append(gdi->instances, l->data); |
d6db79a4 | 322 | } |
3a0fe402 BV |
323 | } |
324 | ||
325 | return devices; | |
ca3d84cc BV |
326 | } |
327 | ||
25a0f108 | 328 | static int hw_dev_open(struct sr_dev_inst *sdi) |
ca3d84cc | 329 | { |
ca3d84cc BV |
330 | struct context *ctx; |
331 | ||
ca3d84cc BV |
332 | if (!(ctx = sdi->priv)) { |
333 | sr_err("genericdmm: sdi->priv was NULL."); | |
334 | return SR_ERR_BUG; | |
335 | } | |
336 | ||
337 | sr_dbg("genericdmm: Opening serial port '%s'.", ctx->serial->port); | |
338 | ||
339 | switch (ctx->profile->transport) { | |
340 | case DMM_TRANSPORT_USBHID: | |
341 | /* TODO */ | |
342 | break; | |
343 | case DMM_TRANSPORT_SERIAL: | |
344 | /* TODO: O_NONBLOCK? */ | |
345 | ctx->serial->fd = serial_open(ctx->serial->port, O_RDWR | O_NONBLOCK); | |
346 | if (ctx->serial->fd == -1) { | |
347 | sr_err("genericdmm: Couldn't open serial port '%s'.", | |
348 | ctx->serial->port); | |
349 | return SR_ERR; | |
350 | } | |
351 | // serial_set_params(ctx->serial->fd, 2400, 8, 0, 1, 2); | |
352 | break; | |
353 | default: | |
354 | sr_err("No transport set."); | |
355 | } | |
356 | ||
357 | return SR_OK; | |
358 | } | |
359 | ||
25a0f108 | 360 | static int hw_dev_close(struct sr_dev_inst *sdi) |
ca3d84cc | 361 | { |
ca3d84cc BV |
362 | struct context *ctx; |
363 | ||
ca3d84cc BV |
364 | if (!(ctx = sdi->priv)) { |
365 | sr_err("genericdmm: %s: sdi->priv was NULL.", __func__); | |
366 | return SR_ERR_BUG; | |
367 | } | |
368 | ||
ca3d84cc BV |
369 | switch (ctx->profile->transport) { |
370 | case DMM_TRANSPORT_USBHID: | |
371 | /* TODO */ | |
372 | break; | |
373 | case DMM_TRANSPORT_SERIAL: | |
374 | if (ctx->serial && ctx->serial->fd != -1) { | |
375 | serial_close(ctx->serial->fd); | |
376 | ctx->serial->fd = -1; | |
377 | sdi->status = SR_ST_INACTIVE; | |
378 | } | |
379 | break; | |
380 | } | |
381 | ||
382 | return SR_OK; | |
383 | } | |
384 | ||
385 | static int hw_cleanup(void) | |
386 | { | |
387 | GSList *l; | |
388 | struct sr_dev_inst *sdi; | |
389 | struct context *ctx; | |
390 | ||
391 | /* Properly close and free all devices. */ | |
75337758 | 392 | for (l = gdi->instances; l; l = l->next) { |
ca3d84cc BV |
393 | if (!(sdi = l->data)) { |
394 | /* Log error, but continue cleaning up the rest. */ | |
395 | sr_err("genericdmm: sdi was NULL, continuing."); | |
396 | continue; | |
397 | } | |
398 | if (!(ctx = sdi->priv)) { | |
399 | /* Log error, but continue cleaning up the rest. */ | |
400 | sr_err("genericdmm: sdi->priv was NULL, continuing."); | |
401 | continue; | |
402 | } | |
403 | ||
404 | if (ctx->profile) { | |
405 | switch (ctx->profile->transport) { | |
406 | case DMM_TRANSPORT_USBHID: | |
407 | /* TODO */ | |
408 | break; | |
409 | case DMM_TRANSPORT_SERIAL: | |
410 | if (ctx->serial && ctx->serial->fd != -1) | |
411 | serial_close(ctx->serial->fd); | |
412 | sr_serial_dev_inst_free(ctx->serial); | |
413 | break; | |
414 | } | |
415 | } | |
416 | ||
417 | sr_dev_inst_free(sdi); | |
418 | } | |
419 | ||
75337758 BV |
420 | g_slist_free(gdi->instances); |
421 | gdi->instances = NULL; | |
ca3d84cc BV |
422 | |
423 | if (genericdmm_usb_context) | |
424 | libusb_exit(genericdmm_usb_context); | |
425 | ||
426 | return SR_OK; | |
427 | } | |
428 | ||
6910bf6b BV |
429 | static int hw_info_get(int dev_info_id, const void **data, |
430 | const struct sr_dev_inst *sdi) | |
ca3d84cc | 431 | { |
ca3d84cc | 432 | struct context *ctx; |
ca3d84cc BV |
433 | |
434 | switch (dev_info_id) { | |
435 | case SR_DI_INST: | |
6910bf6b | 436 | *data = sdi; |
ca3d84cc BV |
437 | sr_spew("genericdmm: Returning sdi."); |
438 | break; | |
f1a14ea7 BV |
439 | case SR_DI_HWOPTS: |
440 | *data = hwopts; | |
441 | break; | |
442 | case SR_DI_HWCAPS: | |
443 | *data = hwcaps; | |
444 | break; | |
ca3d84cc | 445 | case SR_DI_NUM_PROBES: |
6910bf6b | 446 | *data = GINT_TO_POINTER(1); |
ca3d84cc BV |
447 | break; |
448 | case SR_DI_PROBE_NAMES: | |
6910bf6b | 449 | *data = probe_names; |
ca3d84cc BV |
450 | break; |
451 | case SR_DI_CUR_SAMPLERATE: | |
452 | /* TODO get rid of this */ | |
6910bf6b | 453 | *data = NULL; |
ca3d84cc BV |
454 | break; |
455 | default: | |
456 | /* Unknown device info ID. */ | |
6910bf6b | 457 | return SR_ERR_ARG; |
ca3d84cc BV |
458 | } |
459 | ||
6910bf6b | 460 | return SR_OK; |
ca3d84cc BV |
461 | } |
462 | ||
463 | static int hw_dev_status_get(int dev_index) | |
464 | { | |
465 | struct sr_dev_inst *sdi; | |
466 | ||
75337758 | 467 | if (!(sdi = sr_dev_inst_get(gdi->instances, dev_index))) { |
ca3d84cc BV |
468 | sr_err("genericdmm: sdi was NULL, device not found."); |
469 | return SR_ST_NOT_FOUND; | |
470 | } | |
471 | ||
472 | sr_dbg("genericdmm: Returning status: %d.", sdi->status); | |
473 | ||
474 | return sdi->status; | |
475 | } | |
476 | ||
6f4b1868 BV |
477 | static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, |
478 | const void *value) | |
ca3d84cc | 479 | { |
ca3d84cc | 480 | struct context *ctx; |
ca3d84cc | 481 | |
ca3d84cc BV |
482 | if (!(ctx = sdi->priv)) { |
483 | sr_err("genericdmm: sdi->priv was NULL."); | |
484 | return SR_ERR_BUG; | |
485 | } | |
486 | ||
ca3d84cc BV |
487 | switch (hwcap) { |
488 | case SR_HWCAP_LIMIT_MSEC: | |
489 | if (*(const uint64_t *)value == 0) { | |
490 | sr_err("genericdmm: LIMIT_MSEC can't be 0."); | |
491 | return SR_ERR; | |
492 | } | |
493 | ctx->limit_msec = *(const uint64_t *)value; | |
494 | sr_dbg("genericdmm: Setting LIMIT_MSEC to %" PRIu64 ".", | |
495 | ctx->limit_msec); | |
496 | break; | |
497 | case SR_HWCAP_LIMIT_SAMPLES: | |
498 | ctx->limit_samples = *(const uint64_t *)value; | |
499 | sr_dbg("genericdmm: Setting LIMIT_SAMPLES to %" PRIu64 ".", | |
500 | ctx->limit_samples); | |
501 | break; | |
ca3d84cc BV |
502 | default: |
503 | sr_err("genericdmm: Unknown capability: %d.", hwcap); | |
504 | return SR_ERR; | |
505 | break; | |
506 | } | |
507 | ||
508 | return SR_OK; | |
509 | } | |
510 | ||
511 | static int receive_data(int fd, int revents, void *cb_data) | |
512 | { | |
513 | struct sr_dev_inst *sdi; | |
514 | struct context *ctx; | |
515 | ||
516 | if (!(sdi = cb_data)) | |
517 | return FALSE; | |
518 | ||
519 | if (!(ctx = sdi->priv)) | |
520 | return FALSE; | |
521 | ||
522 | if (revents != G_IO_IN) { | |
523 | sr_err("genericdmm: No data?"); | |
524 | return FALSE; | |
525 | } | |
526 | ||
527 | switch (ctx->profile->transport) { | |
528 | case DMM_TRANSPORT_USBHID: | |
529 | /* TODO */ | |
530 | break; | |
531 | case DMM_TRANSPORT_SERIAL: | |
532 | /* TODO */ | |
533 | break; | |
534 | } | |
535 | ||
536 | return TRUE; | |
537 | } | |
538 | ||
3ffb6964 BV |
539 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
540 | void *cb_data) | |
ca3d84cc BV |
541 | { |
542 | struct sr_datafeed_packet packet; | |
543 | struct sr_datafeed_header header; | |
544 | struct sr_datafeed_meta_analog meta; | |
ca3d84cc BV |
545 | struct context *ctx; |
546 | ||
ca3d84cc BV |
547 | if (!(ctx = sdi->priv)) { |
548 | sr_err("genericdmm: sdi->priv was NULL."); | |
549 | return SR_ERR_BUG; | |
550 | } | |
551 | ||
552 | sr_dbg("genericdmm: Starting acquisition."); | |
553 | ||
554 | ctx->cb_data = cb_data; | |
555 | ||
556 | /* Send header packet to the session bus. */ | |
557 | sr_dbg("genericdmm: Sending SR_DF_HEADER."); | |
558 | packet.type = SR_DF_HEADER; | |
559 | packet.payload = (uint8_t *)&header; | |
560 | header.feed_version = 1; | |
561 | gettimeofday(&header.starttime, NULL); | |
562 | sr_session_send(ctx->cb_data, &packet); | |
563 | ||
564 | /* Send metadata about the SR_DF_ANALOG packets to come. */ | |
565 | sr_dbg("genericdmm: Sending SR_DF_META_ANALOG."); | |
566 | packet.type = SR_DF_META_ANALOG; | |
567 | packet.payload = &meta; | |
568 | meta.num_probes = 1; | |
569 | sr_session_send(ctx->cb_data, &packet); | |
570 | ||
571 | /* Hook up a proxy handler to receive data from the device. */ | |
572 | switch (ctx->profile->transport) { | |
573 | case DMM_TRANSPORT_USBHID: | |
574 | /* TODO libusb FD setup */ | |
575 | break; | |
576 | case DMM_TRANSPORT_SERIAL: | |
577 | /* TODO serial FD setup */ | |
578 | // sr_source_add(ctx->serial->fd, G_IO_IN, -1, receive_data, sdi); | |
579 | break; | |
580 | } | |
581 | ||
582 | return SR_OK; | |
583 | } | |
584 | ||
3ffb6964 BV |
585 | static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi, |
586 | void *cb_data) | |
ca3d84cc BV |
587 | { |
588 | struct sr_datafeed_packet packet; | |
589 | ||
590 | /* Avoid compiler warnings. */ | |
3ffb6964 | 591 | (void)sdi; |
ca3d84cc BV |
592 | |
593 | sr_dbg("genericdmm: Stopping acquisition."); | |
594 | ||
595 | /* Send end packet to the session bus. */ | |
596 | sr_dbg("genericdmm: Sending SR_DF_END."); | |
597 | packet.type = SR_DF_END; | |
598 | sr_session_send(cb_data, &packet); | |
599 | ||
600 | return SR_OK; | |
601 | } | |
602 | ||
603 | SR_PRIV struct sr_dev_driver genericdmm_driver_info = { | |
604 | .name = "genericdmm", | |
605 | .longname = "Generic DMM", | |
606 | .api_version = 1, | |
607 | .init = hw_init, | |
608 | .cleanup = hw_cleanup, | |
61136ea6 | 609 | .scan = hw_scan, |
ca3d84cc BV |
610 | .dev_open = hw_dev_open, |
611 | .dev_close = hw_dev_close, | |
6910bf6b | 612 | .info_get = hw_info_get, |
ca3d84cc | 613 | .dev_status_get = hw_dev_status_get, |
ca3d84cc BV |
614 | .dev_config_set = hw_dev_config_set, |
615 | .dev_acquisition_start = hw_dev_acquisition_start, | |
616 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
75337758 | 617 | .instances = NULL, |
ca3d84cc | 618 | }; |