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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, | |
153 | "Generic DMM", NULL, NULL))) { | |
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; | |
236 | const char *model; | |
237 | ||
238 | /* Separate model from the options list. */ | |
239 | model = NULL; | |
240 | newopts = NULL; | |
241 | for (l = options; l; l = l->next) { | |
242 | opt = l->data; | |
243 | if (opt->hwopt == SR_HWOPT_MODEL) | |
244 | model = opt->value; | |
245 | else | |
246 | /* New list with references to the original data. */ | |
247 | newopts = g_slist_append(newopts, opt); | |
248 | } | |
249 | if (!model) { | |
250 | sr_err("Need a model to scan for."); | |
251 | return NULL; | |
252 | } | |
61136ea6 | 253 | |
3a0fe402 BV |
254 | /* Find a profile with this model name. */ |
255 | profile = NULL; | |
256 | for (pr = dev_profiles; pr->modelid; pr++) { | |
257 | if (!strcmp(pr->modelid, model)) { | |
258 | profile = pr; | |
259 | break; | |
260 | } | |
ca3d84cc | 261 | } |
3a0fe402 BV |
262 | if (!profile) { |
263 | sr_err("Unknown model %s.", model); | |
264 | return NULL; | |
265 | } | |
266 | ||
267 | /* Initialize the DMM chip driver. */ | |
268 | if (profile->chip->init) | |
269 | profile->chip->init(); | |
ca3d84cc | 270 | |
3a0fe402 BV |
271 | /* Convert the profile's default options list to a GSList. */ |
272 | defopts = NULL; | |
273 | for (opt = profile->defaults_opts; opt->hwopt; opt++) { | |
274 | /* New list with references to const data in the profile. */ | |
275 | defopts = g_slist_append(defopts, opt); | |
ca3d84cc | 276 | } |
ca3d84cc | 277 | |
3a0fe402 BV |
278 | /* Options given as argument to this function override the |
279 | * profile's default options. | |
280 | */ | |
281 | for (ldef = defopts; ldef; ldef = ldef->next) { | |
282 | defopt = ldef->data; | |
283 | for (l = newopts; l; l = l->next) { | |
284 | opt = l->data; | |
285 | if (opt->hwopt == defopt->hwopt) { | |
286 | /* Override the default, and drop it from the | |
287 | * options list. | |
288 | */ | |
289 | ldef->data = l->data; | |
290 | newopts = g_slist_remove(newopts, opt); | |
291 | break; | |
292 | } | |
293 | } | |
294 | } | |
295 | /* Whatever is left in newopts wasn't in the default options. */ | |
296 | defopts = g_slist_concat(defopts, newopts); | |
297 | g_slist_free(newopts); | |
298 | ||
299 | if (profile->chip->scan) | |
300 | /* The DMM chip driver wants to do its own scanning. */ | |
301 | devices = profile->chip->scan(defopts); | |
302 | else | |
303 | devices = default_scan(defopts); | |
304 | g_slist_free(defopts); | |
305 | ||
306 | if (devices) { | |
307 | /* TODO: need to fix up sdi->index fields */ | |
308 | /* Add a copy of these new devices to the driver instances. */ | |
309 | for (l = devices; l; l = l->next) | |
310 | gdi->instances = g_slist_append(gdi->instances, l->data); | |
311 | } | |
312 | ||
313 | return devices; | |
ca3d84cc BV |
314 | } |
315 | ||
316 | static int hw_dev_open(int dev_index) | |
317 | { | |
318 | struct sr_dev_inst *sdi; | |
319 | struct context *ctx; | |
320 | ||
75337758 | 321 | if (!(sdi = sr_dev_inst_get(gdi->instances, dev_index))) { |
ca3d84cc BV |
322 | sr_err("genericdmm: sdi was NULL."); |
323 | return SR_ERR_BUG; | |
324 | } | |
325 | ||
326 | if (!(ctx = sdi->priv)) { | |
327 | sr_err("genericdmm: sdi->priv was NULL."); | |
328 | return SR_ERR_BUG; | |
329 | } | |
330 | ||
331 | sr_dbg("genericdmm: Opening serial port '%s'.", ctx->serial->port); | |
332 | ||
333 | switch (ctx->profile->transport) { | |
334 | case DMM_TRANSPORT_USBHID: | |
335 | /* TODO */ | |
336 | break; | |
337 | case DMM_TRANSPORT_SERIAL: | |
338 | /* TODO: O_NONBLOCK? */ | |
339 | ctx->serial->fd = serial_open(ctx->serial->port, O_RDWR | O_NONBLOCK); | |
340 | if (ctx->serial->fd == -1) { | |
341 | sr_err("genericdmm: Couldn't open serial port '%s'.", | |
342 | ctx->serial->port); | |
343 | return SR_ERR; | |
344 | } | |
345 | // serial_set_params(ctx->serial->fd, 2400, 8, 0, 1, 2); | |
346 | break; | |
347 | default: | |
348 | sr_err("No transport set."); | |
349 | } | |
350 | ||
351 | return SR_OK; | |
352 | } | |
353 | ||
354 | static int hw_dev_close(int dev_index) | |
355 | { | |
356 | struct sr_dev_inst *sdi; | |
357 | struct context *ctx; | |
358 | ||
75337758 | 359 | if (!(sdi = sr_dev_inst_get(gdi->instances, dev_index))) { |
ca3d84cc BV |
360 | sr_err("genericdmm: %s: sdi was NULL.", __func__); |
361 | return SR_ERR_BUG; | |
362 | } | |
363 | ||
364 | if (!(ctx = sdi->priv)) { | |
365 | sr_err("genericdmm: %s: sdi->priv was NULL.", __func__); | |
366 | return SR_ERR_BUG; | |
367 | } | |
368 | ||
369 | /* TODO: Check for != NULL. */ | |
370 | ||
371 | switch (ctx->profile->transport) { | |
372 | case DMM_TRANSPORT_USBHID: | |
373 | /* TODO */ | |
374 | break; | |
375 | case DMM_TRANSPORT_SERIAL: | |
376 | if (ctx->serial && ctx->serial->fd != -1) { | |
377 | serial_close(ctx->serial->fd); | |
378 | ctx->serial->fd = -1; | |
379 | sdi->status = SR_ST_INACTIVE; | |
380 | } | |
381 | break; | |
382 | } | |
383 | ||
384 | return SR_OK; | |
385 | } | |
386 | ||
387 | static int hw_cleanup(void) | |
388 | { | |
389 | GSList *l; | |
390 | struct sr_dev_inst *sdi; | |
391 | struct context *ctx; | |
392 | ||
393 | /* Properly close and free all devices. */ | |
75337758 | 394 | for (l = gdi->instances; l; l = l->next) { |
ca3d84cc BV |
395 | if (!(sdi = l->data)) { |
396 | /* Log error, but continue cleaning up the rest. */ | |
397 | sr_err("genericdmm: sdi was NULL, continuing."); | |
398 | continue; | |
399 | } | |
400 | if (!(ctx = sdi->priv)) { | |
401 | /* Log error, but continue cleaning up the rest. */ | |
402 | sr_err("genericdmm: sdi->priv was NULL, continuing."); | |
403 | continue; | |
404 | } | |
405 | ||
406 | if (ctx->profile) { | |
407 | switch (ctx->profile->transport) { | |
408 | case DMM_TRANSPORT_USBHID: | |
409 | /* TODO */ | |
410 | break; | |
411 | case DMM_TRANSPORT_SERIAL: | |
412 | if (ctx->serial && ctx->serial->fd != -1) | |
413 | serial_close(ctx->serial->fd); | |
414 | sr_serial_dev_inst_free(ctx->serial); | |
415 | break; | |
416 | } | |
417 | } | |
418 | ||
419 | sr_dev_inst_free(sdi); | |
420 | } | |
421 | ||
75337758 BV |
422 | g_slist_free(gdi->instances); |
423 | gdi->instances = NULL; | |
ca3d84cc BV |
424 | |
425 | if (genericdmm_usb_context) | |
426 | libusb_exit(genericdmm_usb_context); | |
427 | ||
428 | return SR_OK; | |
429 | } | |
430 | ||
6910bf6b BV |
431 | static int hw_info_get(int dev_info_id, const void **data, |
432 | const struct sr_dev_inst *sdi) | |
ca3d84cc | 433 | { |
ca3d84cc | 434 | struct context *ctx; |
ca3d84cc BV |
435 | |
436 | switch (dev_info_id) { | |
437 | case SR_DI_INST: | |
6910bf6b | 438 | *data = sdi; |
ca3d84cc BV |
439 | sr_spew("genericdmm: Returning sdi."); |
440 | break; | |
f1a14ea7 BV |
441 | case SR_DI_HWOPTS: |
442 | *data = hwopts; | |
443 | break; | |
444 | case SR_DI_HWCAPS: | |
445 | *data = hwcaps; | |
446 | break; | |
ca3d84cc | 447 | case SR_DI_NUM_PROBES: |
6910bf6b | 448 | *data = GINT_TO_POINTER(1); |
ca3d84cc BV |
449 | break; |
450 | case SR_DI_PROBE_NAMES: | |
6910bf6b | 451 | *data = probe_names; |
ca3d84cc BV |
452 | break; |
453 | case SR_DI_CUR_SAMPLERATE: | |
454 | /* TODO get rid of this */ | |
6910bf6b | 455 | *data = NULL; |
ca3d84cc BV |
456 | break; |
457 | default: | |
458 | /* Unknown device info ID. */ | |
6910bf6b | 459 | return SR_ERR_ARG; |
ca3d84cc BV |
460 | } |
461 | ||
6910bf6b | 462 | return SR_OK; |
ca3d84cc BV |
463 | } |
464 | ||
465 | static int hw_dev_status_get(int dev_index) | |
466 | { | |
467 | struct sr_dev_inst *sdi; | |
468 | ||
75337758 | 469 | if (!(sdi = sr_dev_inst_get(gdi->instances, dev_index))) { |
ca3d84cc BV |
470 | sr_err("genericdmm: sdi was NULL, device not found."); |
471 | return SR_ST_NOT_FOUND; | |
472 | } | |
473 | ||
474 | sr_dbg("genericdmm: Returning status: %d.", sdi->status); | |
475 | ||
476 | return sdi->status; | |
477 | } | |
478 | ||
ca3d84cc BV |
479 | static int hw_dev_config_set(int dev_index, int hwcap, const void *value) |
480 | { | |
481 | struct sr_dev_inst *sdi; | |
482 | struct context *ctx; | |
ca3d84cc | 483 | |
75337758 | 484 | if (!(sdi = sr_dev_inst_get(gdi->instances, dev_index))) { |
ca3d84cc BV |
485 | sr_err("genericdmm: sdi was NULL."); |
486 | return SR_ERR_BUG; | |
487 | } | |
488 | ||
489 | if (!(ctx = sdi->priv)) { | |
490 | sr_err("genericdmm: sdi->priv was NULL."); | |
491 | return SR_ERR_BUG; | |
492 | } | |
493 | ||
494 | sr_spew("genericdmm: dev_index %d, hwcap %d.", dev_index, hwcap); | |
495 | ||
496 | switch (hwcap) { | |
497 | case SR_HWCAP_LIMIT_MSEC: | |
498 | if (*(const uint64_t *)value == 0) { | |
499 | sr_err("genericdmm: LIMIT_MSEC can't be 0."); | |
500 | return SR_ERR; | |
501 | } | |
502 | ctx->limit_msec = *(const uint64_t *)value; | |
503 | sr_dbg("genericdmm: Setting LIMIT_MSEC to %" PRIu64 ".", | |
504 | ctx->limit_msec); | |
505 | break; | |
506 | case SR_HWCAP_LIMIT_SAMPLES: | |
507 | ctx->limit_samples = *(const uint64_t *)value; | |
508 | sr_dbg("genericdmm: Setting LIMIT_SAMPLES to %" PRIu64 ".", | |
509 | ctx->limit_samples); | |
510 | break; | |
ca3d84cc BV |
511 | default: |
512 | sr_err("genericdmm: Unknown capability: %d.", hwcap); | |
513 | return SR_ERR; | |
514 | break; | |
515 | } | |
516 | ||
517 | return SR_OK; | |
518 | } | |
519 | ||
520 | static int receive_data(int fd, int revents, void *cb_data) | |
521 | { | |
522 | struct sr_dev_inst *sdi; | |
523 | struct context *ctx; | |
524 | ||
525 | if (!(sdi = cb_data)) | |
526 | return FALSE; | |
527 | ||
528 | if (!(ctx = sdi->priv)) | |
529 | return FALSE; | |
530 | ||
531 | if (revents != G_IO_IN) { | |
532 | sr_err("genericdmm: No data?"); | |
533 | return FALSE; | |
534 | } | |
535 | ||
536 | switch (ctx->profile->transport) { | |
537 | case DMM_TRANSPORT_USBHID: | |
538 | /* TODO */ | |
539 | break; | |
540 | case DMM_TRANSPORT_SERIAL: | |
541 | /* TODO */ | |
542 | break; | |
543 | } | |
544 | ||
545 | return TRUE; | |
546 | } | |
547 | ||
548 | static int hw_dev_acquisition_start(int dev_index, void *cb_data) | |
549 | { | |
550 | struct sr_datafeed_packet packet; | |
551 | struct sr_datafeed_header header; | |
552 | struct sr_datafeed_meta_analog meta; | |
553 | struct sr_dev_inst *sdi; | |
554 | struct context *ctx; | |
555 | ||
75337758 | 556 | if (!(sdi = sr_dev_inst_get(gdi->instances, dev_index))) { |
ca3d84cc BV |
557 | sr_err("genericdmm: sdi was NULL."); |
558 | return SR_ERR_BUG; | |
559 | } | |
560 | ||
561 | if (!(ctx = sdi->priv)) { | |
562 | sr_err("genericdmm: sdi->priv was NULL."); | |
563 | return SR_ERR_BUG; | |
564 | } | |
565 | ||
566 | sr_dbg("genericdmm: Starting acquisition."); | |
567 | ||
568 | ctx->cb_data = cb_data; | |
569 | ||
570 | /* Send header packet to the session bus. */ | |
571 | sr_dbg("genericdmm: Sending SR_DF_HEADER."); | |
572 | packet.type = SR_DF_HEADER; | |
573 | packet.payload = (uint8_t *)&header; | |
574 | header.feed_version = 1; | |
575 | gettimeofday(&header.starttime, NULL); | |
576 | sr_session_send(ctx->cb_data, &packet); | |
577 | ||
578 | /* Send metadata about the SR_DF_ANALOG packets to come. */ | |
579 | sr_dbg("genericdmm: Sending SR_DF_META_ANALOG."); | |
580 | packet.type = SR_DF_META_ANALOG; | |
581 | packet.payload = &meta; | |
582 | meta.num_probes = 1; | |
583 | sr_session_send(ctx->cb_data, &packet); | |
584 | ||
585 | /* Hook up a proxy handler to receive data from the device. */ | |
586 | switch (ctx->profile->transport) { | |
587 | case DMM_TRANSPORT_USBHID: | |
588 | /* TODO libusb FD setup */ | |
589 | break; | |
590 | case DMM_TRANSPORT_SERIAL: | |
591 | /* TODO serial FD setup */ | |
592 | // sr_source_add(ctx->serial->fd, G_IO_IN, -1, receive_data, sdi); | |
593 | break; | |
594 | } | |
595 | ||
596 | return SR_OK; | |
597 | } | |
598 | ||
599 | static int hw_dev_acquisition_stop(int dev_index, void *cb_data) | |
600 | { | |
601 | struct sr_datafeed_packet packet; | |
602 | ||
603 | /* Avoid compiler warnings. */ | |
604 | (void)dev_index; | |
605 | ||
606 | sr_dbg("genericdmm: Stopping acquisition."); | |
607 | ||
608 | /* Send end packet to the session bus. */ | |
609 | sr_dbg("genericdmm: Sending SR_DF_END."); | |
610 | packet.type = SR_DF_END; | |
611 | sr_session_send(cb_data, &packet); | |
612 | ||
613 | return SR_OK; | |
614 | } | |
615 | ||
616 | SR_PRIV struct sr_dev_driver genericdmm_driver_info = { | |
617 | .name = "genericdmm", | |
618 | .longname = "Generic DMM", | |
619 | .api_version = 1, | |
620 | .init = hw_init, | |
621 | .cleanup = hw_cleanup, | |
61136ea6 | 622 | .scan = hw_scan, |
ca3d84cc BV |
623 | .dev_open = hw_dev_open, |
624 | .dev_close = hw_dev_close, | |
6910bf6b | 625 | .info_get = hw_info_get, |
ca3d84cc | 626 | .dev_status_get = hw_dev_status_get, |
ca3d84cc BV |
627 | .dev_config_set = hw_dev_config_set, |
628 | .dev_acquisition_start = hw_dev_acquisition_start, | |
629 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
75337758 | 630 | .instances = NULL, |
ca3d84cc | 631 | }; |