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serial-dmm: Avoid duplicate symbol error
[libsigrok.git] / hardware / serial-dmm / api.c
CommitLineData
7dc55d93
AG		 1/*
2 * This file is part of the sigrok project.
3 *
4 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
5 * Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com>
729b01f9 6 * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
7dc55d93
AG		 7 *
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 */
21
22#include <glib.h>
7dc55d93
AG		 23#include <sys/types.h>
24#include <sys/stat.h>
25#include <fcntl.h>
26#include <string.h>
27#include <errno.h>
bbabddbd
UH		 28#include "libsigrok.h"
29#include "libsigrok-internal.h"
30#include "protocol.h"
7dc55d93
AG		 31
32static const int hwopts[] = {
33 SR_HWOPT_CONN,
34 SR_HWOPT_SERIALCOMM,
35 0,
36};
37
38static const int hwcaps[] = {
39 SR_HWCAP_MULTIMETER,
40 SR_HWCAP_LIMIT_SAMPLES,
41 SR_HWCAP_CONTINUOUS,
42 0,
43};
44
45static const char *probe_names[] = {
46 "Probe",
47 NULL,
48};
49
f086b830 50SR_PRIV struct sr_dev_driver digitek_dt4000zc_driver_info;
729b01f9 51SR_PRIV struct sr_dev_driver tekpower_tp4000zc_driver_info;
ce3777ad 52SR_PRIV struct sr_dev_driver metex_me31_driver_info;
f0ac4929 53SR_PRIV struct sr_dev_driver peaktech_3410_driver_info;
5887c9cc 54SR_PRIV struct sr_dev_driver mastech_mas345_driver_info;
6dca2f16 55SR_PRIV struct sr_dev_driver va_va18b_driver_info;
a53da082 56SR_PRIV struct sr_dev_driver metex_m3640d_driver_info;
a376ffea 57SR_PRIV struct sr_dev_driver peaktech_4370_driver_info;
d4bd66a0 58SR_PRIV struct sr_dev_driver pce_pce_dm32_driver_info;
d5ce233f 59SR_PRIV struct sr_dev_driver radioshack_22_168_driver_info;
21829e67 60SR_PRIV struct sr_dev_driver radioshack_22_812_driver_info;
f086b830 61
ce3777ad
UH		 62static struct sr_dev_driver *di_dt4000zc = &digitek_dt4000zc_driver_info;
63static struct sr_dev_driver *di_tp4000zc = &tekpower_tp4000zc_driver_info;
64static struct sr_dev_driver *di_me31 = &metex_me31_driver_info;
f0ac4929 65static struct sr_dev_driver *di_3410 = &peaktech_3410_driver_info;
5887c9cc 66static struct sr_dev_driver *di_mas345 = &mastech_mas345_driver_info;
6dca2f16 67static struct sr_dev_driver *di_va18b = &va_va18b_driver_info;
a53da082 68static struct sr_dev_driver *di_m3640d = &metex_m3640d_driver_info;
a376ffea 69static struct sr_dev_driver *di_4370 = &peaktech_4370_driver_info;
d4bd66a0 70static struct sr_dev_driver *di_pce_dm32 = &pce_pce_dm32_driver_info;
d5ce233f 71static struct sr_dev_driver *di_22_168 = &radioshack_22_168_driver_info;
21829e67 72static struct sr_dev_driver *di_22_812 = &radioshack_22_812_driver_info;
729b01f9
UH		 73
74/* After hw_init() this will point to a device-specific entry (see above). */
75static struct sr_dev_driver *di = NULL;
76
77SR_PRIV struct dmm_info dmms[] = {
f086b830 78 {
ce3777ad
UH		 79 "Digitek", "DT4000ZC", "2400/8n1", 2400,
80 FS9721_PACKET_SIZE, NULL,
81 sr_fs9721_packet_valid, sr_fs9721_parse,
f086b830
UH		 82 dmm_details_dt4000zc,
83 },
729b01f9 84 {
ce3777ad
UH		 85 "TekPower", "TP4000ZC", "2400/8n1", 2400,
86 FS9721_PACKET_SIZE, NULL,
87 sr_fs9721_packet_valid, sr_fs9721_parse,
729b01f9
UH		 88 dmm_details_tp4000zc,
89 },
ce3777ad
UH		 90 {
91 "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
92 METEX14_PACKET_SIZE, sr_metex14_packet_request,
93 sr_metex14_packet_valid, sr_metex14_parse,
94 NULL,
95 },
f0ac4929
UH		 96 {
97 "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
98 METEX14_PACKET_SIZE, sr_metex14_packet_request,
99 sr_metex14_packet_valid, sr_metex14_parse,
100 NULL,
101 },
5887c9cc
UH		 102 {
103 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
104 METEX14_PACKET_SIZE, sr_metex14_packet_request,
105 sr_metex14_packet_valid, sr_metex14_parse,
106 NULL,
107 },
6dca2f16
UH		 108 {
109 "V&A", "VA18B", "2400/8n1", 2400,
110 FS9721_PACKET_SIZE, NULL,
111 sr_fs9721_packet_valid, sr_fs9721_parse,
112 dmm_details_va18b,
113 },
a53da082
UH		 114 {
115 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
116 METEX14_PACKET_SIZE, sr_metex14_packet_request,
117 sr_metex14_packet_valid, sr_metex14_parse,
118 NULL,
119 },
a376ffea
UH		 120 {
121 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
122 METEX14_PACKET_SIZE, sr_metex14_packet_request,
123 sr_metex14_packet_valid, sr_metex14_parse,
124 NULL,
125 },
d4bd66a0
UH		 126 {
127 "PCE", "PCE-DM32", "2400/8n1", 2400,
128 FS9721_PACKET_SIZE, NULL,
129 sr_fs9721_packet_valid, sr_fs9721_parse,
130 dmm_details_pce_dm32,
131 },
d5ce233f
AG		 132 {
133 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
134 METEX14_PACKET_SIZE, sr_metex14_packet_request,
135 sr_metex14_packet_valid, sr_metex14_parse,
136 NULL,
137 },
21829e67
AG		 138 {
139 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
140 RS9LCD_PACKET_SIZE, NULL,
141 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
142 NULL,
143 },
729b01f9 144};
7dc55d93
AG		 145
146/* Properly close and free all devices. */
147static int clear_instances(void)
148{
149 struct sr_dev_inst *sdi;
150 struct drv_context *drvc;
151 struct dev_context *devc;
152 GSList *l;
153
26be4ebe
AG		 154 /* di is not necessarily initialized */
155 if (!di)
156 return SR_OK;
157
7dc55d93
AG		 158 if (!(drvc = di->priv))
159 return SR_OK;
160
161 drvc = di->priv;
162 for (l = drvc->instances; l; l = l->next) {
163 if (!(sdi = l->data))
164 continue;
165 if (!(devc = sdi->priv))
166 continue;
167 sr_serial_dev_inst_free(devc->serial);
168 sr_dev_inst_free(sdi);
169 }
170 g_slist_free(drvc->instances);
171 drvc->instances = NULL;
172
173 return SR_OK;
174}
175
34f06b90 176static int hw_init(struct sr_context *sr_ctx, int dmm)
7dc55d93
AG		 177{
178 struct drv_context *drvc;
179
180 if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
bbabddbd
UH		 181 sr_err("Driver context malloc failed.");
182 return SR_ERR_MALLOC;
7dc55d93
AG		 183 }
184
f086b830 185 if (dmm == DIGITEK_DT4000ZC)
ce3777ad 186 di = di_dt4000zc;
729b01f9 187 if (dmm == TEKPOWER_TP4000ZC)
ce3777ad
UH		 188 di = di_tp4000zc;
189 if (dmm == METEX_ME31)
190 di = di_me31;
f0ac4929
UH		 191 if (dmm == PEAKTECH_3410)
192 di = di_3410;
5887c9cc
UH		 193 if (dmm == MASTECH_MAS345)
194 di = di_mas345;
6dca2f16
UH		 195 if (dmm == VA_VA18B)
196 di = di_va18b;
a53da082
UH		 197 if (dmm == METEX_M3640D)
198 di = di_m3640d;
a376ffea
UH		 199 if (dmm == PEAKTECH_4370)
200 di = di_4370;
d4bd66a0
UH		 201 if (dmm == PCE_PCE_DM32)
202 di = di_pce_dm32;
d5ce233f
AG		 203 if (dmm == RADIOSHACK_22_168)
204 di = di_22_168;
21829e67
AG		 205 if (dmm == RADIOSHACK_22_812)
206 di = di_22_812;
729b01f9
UH		 207 sr_dbg("Selected '%s' subdriver.", di->name);
208
1ebe4b4e 209 drvc->sr_ctx = sr_ctx;
7dc55d93
AG		 210 di->priv = drvc;
211
212 return SR_OK;
213}
214
34f06b90 215static int hw_init_digitek_dt4000zc(struct sr_context *sr_ctx)
f086b830 216{
34f06b90 217 return hw_init(sr_ctx, DIGITEK_DT4000ZC);
f086b830
UH		 218}
219
34f06b90 220static int hw_init_tekpower_tp4000zc(struct sr_context *sr_ctx)
729b01f9 221{
34f06b90 222 return hw_init(sr_ctx, TEKPOWER_TP4000ZC);
729b01f9
UH		 223}
224
34f06b90 225static int hw_init_metex_me31(struct sr_context *sr_ctx)
ce3777ad 226{
34f06b90 227 return hw_init(sr_ctx, METEX_ME31);
ce3777ad
UH		 228}
229
34f06b90 230static int hw_init_peaktech_3410(struct sr_context *sr_ctx)
f0ac4929 231{
34f06b90 232 return hw_init(sr_ctx, PEAKTECH_3410);
f0ac4929
UH		 233}
234
34f06b90 235static int hw_init_mastech_mas345(struct sr_context *sr_ctx)
5887c9cc 236{
34f06b90 237 return hw_init(sr_ctx, MASTECH_MAS345);
5887c9cc
UH		 238}
239
34f06b90 240static int hw_init_va_va18b(struct sr_context *sr_ctx)
6dca2f16 241{
34f06b90 242 return hw_init(sr_ctx, VA_VA18B);
6dca2f16
UH		 243}
244
34f06b90 245static int hw_init_metex_m3640d(struct sr_context *sr_ctx)
a53da082 246{
34f06b90 247 return hw_init(sr_ctx, METEX_M3640D);
a53da082
UH		 248}
249
34f06b90 250static int hw_init_peaktech_4370(struct sr_context *sr_ctx)
a376ffea 251{
34f06b90 252 return hw_init(sr_ctx, PEAKTECH_4370);
a376ffea
UH		 253}
254
34f06b90 255static int hw_init_pce_pce_dm32(struct sr_context *sr_ctx)
d4bd66a0 256{
34f06b90 257 return hw_init(sr_ctx, PCE_PCE_DM32);
d4bd66a0
UH		 258}
259
34f06b90 260static int hw_init_radioshack_22_168(struct sr_context *sr_ctx)
d5ce233f 261{
34f06b90 262 return hw_init(sr_ctx, RADIOSHACK_22_168);
d5ce233f
AG		 263}
264
34f06b90 265static int hw_init_radioshack_22_812(struct sr_context *sr_ctx)
21829e67 266{
34f06b90 267 return hw_init(sr_ctx, RADIOSHACK_22_812);
21829e67
AG		 268}
269
729b01f9 270static GSList *scan(const char *conn, const char *serialcomm, int dmm)
7dc55d93
AG		 271{
272 struct sr_dev_inst *sdi;
273 struct drv_context *drvc;
274 struct dev_context *devc;
275 struct sr_probe *probe;
d35afa87 276 struct sr_serial_dev_inst *serial;
7dc55d93 277 GSList *devices;
2546b05c
AG		 278 int dropped, ret;
279 size_t len;
280 uint8_t buf[128];
7dc55d93 281
d35afa87 282 if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
7dc55d93 283 return NULL;
d35afa87 284
ce3777ad 285 if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
7dc55d93 286 return NULL;
7dc55d93 287
ce3777ad 288 sr_info("Probing port %s.", conn);
7dc55d93
AG		 289
290 drvc = di->priv;
7dc55d93 291 devices = NULL;
d35afa87 292 serial_flush(serial);
bbabddbd
UH		 293
294 /*
295 * There's no way to get an ID from the multimeter. It just sends data
296 * periodically, so the best we can do is check if the packets match
297 * the expected format.
298 */
7dc55d93 299
2546b05c
AG		 300 /* Let's get a bit of data and see if we can find a packet. */
301 len = sizeof(buf);
7dc55d93 302
ce3777ad
UH		 303 /* Request a packet if the DMM requires this. */
304 if (dmms[dmm].packet_request) {
305 if ((ret = dmms[dmm].packet_request(serial)) < 0) {
306 sr_err("Failed to request packet: %d.", ret);
307 return FALSE;
308 }
309 }
310
729b01f9
UH		 311 ret = serial_stream_detect(serial, buf, &len, dmms[dmm].packet_size,
312 dmms[dmm].packet_valid, 1000,
313 dmms[dmm].baudrate);
2546b05c
AG		 314 if (ret != SR_OK)
315 goto scan_cleanup;
7dc55d93 316
2546b05c
AG		 317 /*
318 * If we dropped more than two packets worth of data, something is
319 * wrong. We shouldn't quit however, since the dropped bytes might be
320 * just zeroes at the beginning of the stream. Those can occur as a
321 * combination of the nonstandard cable that ships with this device and
322 * the serial port or USB to serial adapter.
323 */
729b01f9
UH		 324 dropped = len - dmms[dmm].packet_size;
325 if (dropped > 2 * dmms[dmm].packet_size)
6bef68a7 326 sr_warn("Had to drop too much data.");
7dc55d93 327
2546b05c 328 sr_info("Found device on port %s.", conn);
7dc55d93 329
729b01f9
UH		 330 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, dmms[dmm].vendor,
331 dmms[dmm].device, "")))
2546b05c 332 goto scan_cleanup;
6bef68a7 333
2546b05c
AG		 334 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
335 sr_err("Device context malloc failed.");
336 goto scan_cleanup;
7dc55d93
AG		 337 }
338
2546b05c
AG		 339 devc->serial = serial;
340
341 sdi->priv = devc;
342 sdi->driver = di;
343 if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
344 goto scan_cleanup;
345 sdi->probes = g_slist_append(sdi->probes, probe);
346 drvc->instances = g_slist_append(drvc->instances, sdi);
347 devices = g_slist_append(devices, sdi);
348
349scan_cleanup:
d35afa87 350 serial_close(serial);
2546b05c 351
7dc55d93
AG		 352 return devices;
353}
354
355static GSList *hw_scan(GSList *options)
356{
357 struct sr_hwopt *opt;
358 GSList *l, *devices;
359 const char *conn, *serialcomm;
729b01f9 360 int dmm;
7dc55d93
AG		 361
362 conn = serialcomm = NULL;
363 for (l = options; l; l = l->next) {
364 opt = l->data;
365 switch (opt->hwopt) {
366 case SR_HWOPT_CONN:
367 conn = opt->value;
368 break;
369 case SR_HWOPT_SERIALCOMM:
370 serialcomm = opt->value;
371 break;
372 }
373 }
374 if (!conn)
375 return NULL;
376
f086b830 377 if (!strcmp(di->name, "digitek-dt4000zc"))
729b01f9 378 dmm = 0;
f086b830
UH		 379 if (!strcmp(di->name, "tekpower-tp4000zc"))
380 dmm = 1;
ce3777ad
UH		 381 if (!strcmp(di->name, "metex-me31"))
382 dmm = 2;
f0ac4929
UH		 383 if (!strcmp(di->name, "peaktech-3410"))
384 dmm = 3;
5887c9cc
UH		 385 if (!strcmp(di->name, "mastech-mas345"))
386 dmm = 4;
6dca2f16
UH		 387 if (!strcmp(di->name, "va-va18b"))
388 dmm = 5;
a53da082
UH		 389 if (!strcmp(di->name, "metex-m3640d"))
390 dmm = 6;
a376ffea
UH		 391 if (!strcmp(di->name, "peaktech-4370"))
392 dmm = 7;
d4bd66a0
UH		 393 if (!strcmp(di->name, "pce-pce-dm32"))
394 dmm = 8;
d5ce233f
AG		 395 if (!strcmp(di->name, "radioshack-22-168"))
396 dmm = 9;
21829e67
AG		 397 if (!strcmp(di->name, "radioshack-22-812"))
398 dmm = 10;
729b01f9 399
7dc55d93
AG		 400 if (serialcomm) {
401 /* Use the provided comm specs. */
729b01f9 402 devices = scan(conn, serialcomm, dmm);
7dc55d93 403 } else {
d35afa87 404 /* Try the default. */
729b01f9 405 devices = scan(conn, dmms[dmm].conn, dmm);
7dc55d93
AG		 406 }
407
408 return devices;
409}
410
411static GSList *hw_dev_list(void)
412{
413 struct drv_context *drvc;
414
415 drvc = di->priv;
416
417 return drvc->instances;
418}
419
420static int hw_dev_open(struct sr_dev_inst *sdi)
421{
422 struct dev_context *devc;
423
424 if (!(devc = sdi->priv)) {
425 sr_err("sdi->priv was NULL.");
426 return SR_ERR_BUG;
427 }
428
ce3777ad 429 if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
7dc55d93 430 return SR_ERR;
bbabddbd 431
7dc55d93
AG		 432 sdi->status = SR_ST_ACTIVE;
433
434 return SR_OK;
435}
436
437static int hw_dev_close(struct sr_dev_inst *sdi)
438{
439 struct dev_context *devc;
440
441 if (!(devc = sdi->priv)) {
442 sr_err("sdi->priv was NULL.");
443 return SR_ERR_BUG;
444 }
445
446 if (devc->serial && devc->serial->fd != -1) {
d35afa87 447 serial_close(devc->serial);
7dc55d93
AG		 448 sdi->status = SR_ST_INACTIVE;
449 }
450
451 return SR_OK;
452}
453
454static int hw_cleanup(void)
455{
456 clear_instances();
457
458 return SR_OK;
459}
460
461static int hw_info_get(int info_id, const void **data,
bbabddbd 462 const struct sr_dev_inst *sdi)
7dc55d93 463{
bbabddbd 464 (void)sdi;
7dc55d93
AG		 465
466 switch (info_id) {
467 case SR_DI_HWOPTS:
468 *data = hwopts;
469 break;
470 case SR_DI_HWCAPS:
471 *data = hwcaps;
472 break;
473 case SR_DI_NUM_PROBES:
474 *data = GINT_TO_POINTER(1);
475 break;
476 case SR_DI_PROBE_NAMES:
477 *data = probe_names;
478 break;
479 default:
480 return SR_ERR_ARG;
481 }
482
483 return SR_OK;
484}
485
486static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
bbabddbd 487 const void *value)
7dc55d93
AG		 488{
489 struct dev_context *devc;
490
491 if (sdi->status != SR_ST_ACTIVE)
492 return SR_ERR;
493
494 if (!(devc = sdi->priv)) {
495 sr_err("sdi->priv was NULL.");
496 return SR_ERR_BUG;
497 }
498
499 switch (hwcap) {
500 case SR_HWCAP_LIMIT_SAMPLES:
501 devc->limit_samples = *(const uint64_t *)value;
502 sr_dbg("Setting sample limit to %" PRIu64 ".",
503 devc->limit_samples);
504 break;
505 default:
506 sr_err("Unknown capability: %d.", hwcap);
507 return SR_ERR;
508 break;
509 }
510
511 return SR_OK;
512}
513
514static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
bbabddbd 515 void *cb_data)
7dc55d93
AG		 516{
517 struct sr_datafeed_packet packet;
518 struct sr_datafeed_header header;
519 struct sr_datafeed_meta_analog meta;
520 struct dev_context *devc;
729b01f9 521 int (*receive_data)(int, int, void *) = NULL;
7dc55d93
AG		 522
523 if (!(devc = sdi->priv)) {
524 sr_err("sdi->priv was NULL.");
525 return SR_ERR_BUG;
526 }
527
528 sr_dbg("Starting acquisition.");
529
530 devc->cb_data = cb_data;
531
bbabddbd
UH		 532 /*
533 * Reset the number of samples to take. If we've already collected our
7dc55d93 534 * quota, but we start a new session, and don't reset this, we'll just
bbabddbd
UH		 535 * quit without acquiring any new samples.
536 */
7dc55d93
AG		 537 devc->num_samples = 0;
538
539 /* Send header packet to the session bus. */
540 sr_dbg("Sending SR_DF_HEADER.");
541 packet.type = SR_DF_HEADER;
542 packet.payload = (uint8_t *)&header;
543 header.feed_version = 1;
544 gettimeofday(&header.starttime, NULL);
545 sr_session_send(devc->cb_data, &packet);
546
547 /* Send metadata about the SR_DF_ANALOG packets to come. */
548 sr_dbg("Sending SR_DF_META_ANALOG.");
549 packet.type = SR_DF_META_ANALOG;
550 packet.payload = &meta;
551 meta.num_probes = 1;
552 sr_session_send(devc->cb_data, &packet);
553
f086b830
UH		 554 if (!strcmp(di->name, "digitek-dt4000zc"))
555 receive_data = digitek_dt4000zc_receive_data;
729b01f9
UH		 556 if (!strcmp(di->name, "tekpower-tp4000zc"))
557 receive_data = tekpower_tp4000zc_receive_data;
ce3777ad
UH		 558 if (!strcmp(di->name, "metex-me31"))
559 receive_data = metex_me31_receive_data;
f0ac4929
UH		 560 if (!strcmp(di->name, "peaktech-3410"))
561 receive_data = peaktech_3410_receive_data;
5887c9cc
UH		 562 if (!strcmp(di->name, "mastech-mas345"))
563 receive_data = mastech_mas345_receive_data;
6dca2f16
UH		 564 if (!strcmp(di->name, "va-va18b"))
565 receive_data = va_va18b_receive_data;
a53da082
UH		 566 if (!strcmp(di->name, "metex-m3640d"))
567 receive_data = metex_m3640d_receive_data;
a376ffea
UH		 568 if (!strcmp(di->name, "peaktech-4370"))
569 receive_data = peaktech_4370_receive_data;
d4bd66a0
UH		 570 if (!strcmp(di->name, "pce-pce-dm32"))
571 receive_data = pce_pce_dm32_receive_data;
d5ce233f
AG		 572 if (!strcmp(di->name, "radioshack-22-168"))
573 receive_data = radioshack_22_168_receive_data;
21829e67
AG		 574 if (!strcmp(di->name, "radioshack-22-812"))
575 receive_data = radioshack_22_812_receive_data;
729b01f9 576
bbabddbd 577 /* Poll every 50ms, or whenever some data comes in. */
7dc55d93 578 sr_source_add(devc->serial->fd, G_IO_IN, 50,
729b01f9 579 receive_data, (void *)sdi);
7dc55d93
AG		 580
581 return SR_OK;
582}
583
69b07d14 584static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
7dc55d93
AG		 585{
586 struct sr_datafeed_packet packet;
587 struct dev_context *devc;
588
589 if (sdi->status != SR_ST_ACTIVE)
590 return SR_ERR;
591
592 if (!(devc = sdi->priv)) {
593 sr_err("sdi->priv was NULL.");
594 return SR_ERR_BUG;
595 }
596
597 sr_dbg("Stopping acquisition.");
598
599 sr_source_remove(devc->serial->fd);
600 hw_dev_close((struct sr_dev_inst *)sdi);
601
602 /* Send end packet to the session bus. */
603 sr_dbg("Sending SR_DF_END.");
604 packet.type = SR_DF_END;
605 sr_session_send(cb_data, &packet);
606
607 return SR_OK;
608}
609
f086b830
UH		 610SR_PRIV struct sr_dev_driver digitek_dt4000zc_driver_info = {
611 .name = "digitek-dt4000zc",
612 .longname = "Digitek DT4000ZC",
613 .api_version = 1,
614 .init = hw_init_digitek_dt4000zc,
615 .cleanup = hw_cleanup,
616 .scan = hw_scan,
617 .dev_list = hw_dev_list,
618 .dev_clear = clear_instances,
619 .dev_open = hw_dev_open,
620 .dev_close = hw_dev_close,
621 .info_get = hw_info_get,
622 .dev_config_set = hw_dev_config_set,
623 .dev_acquisition_start = hw_dev_acquisition_start,
624 .dev_acquisition_stop = hw_dev_acquisition_stop,
625 .priv = NULL,
626};
627
729b01f9
UH		 628SR_PRIV struct sr_dev_driver tekpower_tp4000zc_driver_info = {
629 .name = "tekpower-tp4000zc",
630 .longname = "TekPower TP4000ZC",
7dc55d93 631 .api_version = 1,
729b01f9 632 .init = hw_init_tekpower_tp4000zc,
7dc55d93
AG		 633 .cleanup = hw_cleanup,
634 .scan = hw_scan,
635 .dev_list = hw_dev_list,
636 .dev_clear = clear_instances,
637 .dev_open = hw_dev_open,
638 .dev_close = hw_dev_close,
639 .info_get = hw_info_get,
640 .dev_config_set = hw_dev_config_set,
641 .dev_acquisition_start = hw_dev_acquisition_start,
642 .dev_acquisition_stop = hw_dev_acquisition_stop,
643 .priv = NULL,
644};
ce3777ad
UH		 645
646SR_PRIV struct sr_dev_driver metex_me31_driver_info = {
647 .name = "metex-me31",
648 .longname = "Metex ME-31",
649 .api_version = 1,
650 .init = hw_init_metex_me31,
651 .cleanup = hw_cleanup,
652 .scan = hw_scan,
653 .dev_list = hw_dev_list,
654 .dev_clear = clear_instances,
655 .dev_open = hw_dev_open,
656 .dev_close = hw_dev_close,
657 .info_get = hw_info_get,
658 .dev_config_set = hw_dev_config_set,
659 .dev_acquisition_start = hw_dev_acquisition_start,
660 .dev_acquisition_stop = hw_dev_acquisition_stop,
661 .priv = NULL,
662};
f0ac4929
UH		 663
664SR_PRIV struct sr_dev_driver peaktech_3410_driver_info = {
665 .name = "peaktech-3410",
666 .longname = "PeakTech 3410",
667 .api_version = 1,
668 .init = hw_init_peaktech_3410,
669 .cleanup = hw_cleanup,
670 .scan = hw_scan,
671 .dev_list = hw_dev_list,
672 .dev_clear = clear_instances,
673 .dev_open = hw_dev_open,
674 .dev_close = hw_dev_close,
675 .info_get = hw_info_get,
676 .dev_config_set = hw_dev_config_set,
677 .dev_acquisition_start = hw_dev_acquisition_start,
678 .dev_acquisition_stop = hw_dev_acquisition_stop,
679 .priv = NULL,
680};
5887c9cc
UH		 681
682SR_PRIV struct sr_dev_driver mastech_mas345_driver_info = {
683 .name = "mastech-mas345",
684 .longname = "MASTECH MAS345",
685 .api_version = 1,
686 .init = hw_init_mastech_mas345,
687 .cleanup = hw_cleanup,
688 .scan = hw_scan,
689 .dev_list = hw_dev_list,
690 .dev_clear = clear_instances,
691 .dev_open = hw_dev_open,
692 .dev_close = hw_dev_close,
693 .info_get = hw_info_get,
694 .dev_config_set = hw_dev_config_set,
695 .dev_acquisition_start = hw_dev_acquisition_start,
696 .dev_acquisition_stop = hw_dev_acquisition_stop,
697 .priv = NULL,
698};
6dca2f16
UH		 699
700SR_PRIV struct sr_dev_driver va_va18b_driver_info = {
701 .name = "va-va18b",
702 .longname = "V&A VA18B",
703 .api_version = 1,
704 .init = hw_init_va_va18b,
705 .cleanup = hw_cleanup,
706 .scan = hw_scan,
707 .dev_list = hw_dev_list,
708 .dev_clear = clear_instances,
709 .dev_open = hw_dev_open,
710 .dev_close = hw_dev_close,
711 .info_get = hw_info_get,
712 .dev_config_set = hw_dev_config_set,
713 .dev_acquisition_start = hw_dev_acquisition_start,
714 .dev_acquisition_stop = hw_dev_acquisition_stop,
715 .priv = NULL,
716};
a53da082
UH		 717
718SR_PRIV struct sr_dev_driver metex_m3640d_driver_info = {
719 .name = "metex-m3640d",
720 .longname = "Metex M-3640D",
721 .api_version = 1,
722 .init = hw_init_metex_m3640d,
723 .cleanup = hw_cleanup,
724 .scan = hw_scan,
725 .dev_list = hw_dev_list,
726 .dev_clear = clear_instances,
727 .dev_open = hw_dev_open,
728 .dev_close = hw_dev_close,
729 .info_get = hw_info_get,
730 .dev_config_set = hw_dev_config_set,
731 .dev_acquisition_start = hw_dev_acquisition_start,
732 .dev_acquisition_stop = hw_dev_acquisition_stop,
733 .priv = NULL,
734};
a376ffea
UH		 735
736SR_PRIV struct sr_dev_driver peaktech_4370_driver_info = {
737 .name = "peaktech-4370",
738 .longname = "PeakTech 4370",
739 .api_version = 1,
740 .init = hw_init_peaktech_4370,
741 .cleanup = hw_cleanup,
742 .scan = hw_scan,
743 .dev_list = hw_dev_list,
744 .dev_clear = clear_instances,
745 .dev_open = hw_dev_open,
746 .dev_close = hw_dev_close,
747 .info_get = hw_info_get,
748 .dev_config_set = hw_dev_config_set,
749 .dev_acquisition_start = hw_dev_acquisition_start,
750 .dev_acquisition_stop = hw_dev_acquisition_stop,
751 .priv = NULL,
752};
d4bd66a0
UH		 753
754SR_PRIV struct sr_dev_driver pce_pce_dm32_driver_info = {
755 .name = "pce-pce-dm32",
756 .longname = "PCE PCE-DM32",
757 .api_version = 1,
758 .init = hw_init_pce_pce_dm32,
759 .cleanup = hw_cleanup,
760 .scan = hw_scan,
761 .dev_list = hw_dev_list,
762 .dev_clear = clear_instances,
763 .dev_open = hw_dev_open,
764 .dev_close = hw_dev_close,
765 .info_get = hw_info_get,
766 .dev_config_set = hw_dev_config_set,
767 .dev_acquisition_start = hw_dev_acquisition_start,
768 .dev_acquisition_stop = hw_dev_acquisition_stop,
769 .priv = NULL,
770};
771
d5ce233f
AG		 772SR_PRIV struct sr_dev_driver radioshack_22_168_driver_info = {
773 .name = "radioshack-22-168",
774 .longname = "RadioShack 22-168",
775 .api_version = 1,
776 .init = hw_init_radioshack_22_168,
777 .cleanup = hw_cleanup,
778 .scan = hw_scan,
779 .dev_list = hw_dev_list,
780 .dev_clear = clear_instances,
781 .dev_open = hw_dev_open,
782 .dev_close = hw_dev_close,
783 .info_get = hw_info_get,
784 .dev_config_set = hw_dev_config_set,
785 .dev_acquisition_start = hw_dev_acquisition_start,
786 .dev_acquisition_stop = hw_dev_acquisition_stop,
787 .priv = NULL,
788};
21829e67
AG		 789
790SR_PRIV struct sr_dev_driver radioshack_22_812_driver_info = {
791 .name = "radioshack-22-812",
792 .longname = "RadioShack 22-812",
793 .api_version = 1,
794 .init = hw_init_radioshack_22_812,
795 .cleanup = hw_cleanup,
796 .scan = hw_scan,
797 .dev_list = hw_dev_list,
798 .dev_clear = clear_instances,
799 .dev_open = hw_dev_open,
800 .dev_close = hw_dev_close,
801 .info_get = hw_info_get,
802 .dev_config_set = hw_dev_config_set,
803 .dev_acquisition_start = hw_dev_acquisition_start,
804 .dev_acquisition_stop = hw_dev_acquisition_stop,
805 .priv = NULL,
806};
Hardware access and backend lib