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hw_init(): Save struct sr_context * parameter in struct drv_context
[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
154 if (!(drvc = di->priv))
155 return SR_OK;
156
157 drvc = di->priv;
158 for (l = drvc->instances; l; l = l->next) {
159 if (!(sdi = l->data))
160 continue;
161 if (!(devc = sdi->priv))
162 continue;
163 sr_serial_dev_inst_free(devc->serial);
164 sr_dev_inst_free(sdi);
165 }
166 g_slist_free(drvc->instances);
167 drvc->instances = NULL;
168
169 return SR_OK;
170}
171
34f06b90 172static int hw_init(struct sr_context *sr_ctx, int dmm)
7dc55d93
AG		 173{
174 struct drv_context *drvc;
175
176 if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
bbabddbd
UH		 177 sr_err("Driver context malloc failed.");
178 return SR_ERR_MALLOC;
7dc55d93
AG		 179 }
180
f086b830 181 if (dmm == DIGITEK_DT4000ZC)
ce3777ad 182 di = di_dt4000zc;
729b01f9 183 if (dmm == TEKPOWER_TP4000ZC)
ce3777ad
UH		 184 di = di_tp4000zc;
185 if (dmm == METEX_ME31)
186 di = di_me31;
f0ac4929
UH		 187 if (dmm == PEAKTECH_3410)
188 di = di_3410;
5887c9cc
UH		 189 if (dmm == MASTECH_MAS345)
190 di = di_mas345;
6dca2f16
UH		 191 if (dmm == VA_VA18B)
192 di = di_va18b;
a53da082
UH		 193 if (dmm == METEX_M3640D)
194 di = di_m3640d;
a376ffea
UH		 195 if (dmm == PEAKTECH_4370)
196 di = di_4370;
d4bd66a0
UH		 197 if (dmm == PCE_PCE_DM32)
198 di = di_pce_dm32;
d5ce233f
AG		 199 if (dmm == RADIOSHACK_22_168)
200 di = di_22_168;
21829e67
AG		 201 if (dmm == RADIOSHACK_22_812)
202 di = di_22_812;
729b01f9
UH		 203 sr_dbg("Selected '%s' subdriver.", di->name);
204
1ebe4b4e 205 drvc->sr_ctx = sr_ctx;
7dc55d93
AG		 206 di->priv = drvc;
207
208 return SR_OK;
209}
210
34f06b90 211static int hw_init_digitek_dt4000zc(struct sr_context *sr_ctx)
f086b830 212{
34f06b90 213 return hw_init(sr_ctx, DIGITEK_DT4000ZC);
f086b830
UH		 214}
215
34f06b90 216static int hw_init_tekpower_tp4000zc(struct sr_context *sr_ctx)
729b01f9 217{
34f06b90 218 return hw_init(sr_ctx, TEKPOWER_TP4000ZC);
729b01f9
UH		 219}
220
34f06b90 221static int hw_init_metex_me31(struct sr_context *sr_ctx)
ce3777ad 222{
34f06b90 223 return hw_init(sr_ctx, METEX_ME31);
ce3777ad
UH		 224}
225
34f06b90 226static int hw_init_peaktech_3410(struct sr_context *sr_ctx)
f0ac4929 227{
34f06b90 228 return hw_init(sr_ctx, PEAKTECH_3410);
f0ac4929
UH		 229}
230
34f06b90 231static int hw_init_mastech_mas345(struct sr_context *sr_ctx)
5887c9cc 232{
34f06b90 233 return hw_init(sr_ctx, MASTECH_MAS345);
5887c9cc
UH		 234}
235
34f06b90 236static int hw_init_va_va18b(struct sr_context *sr_ctx)
6dca2f16 237{
34f06b90 238 return hw_init(sr_ctx, VA_VA18B);
6dca2f16
UH		 239}
240
34f06b90 241static int hw_init_metex_m3640d(struct sr_context *sr_ctx)
a53da082 242{
34f06b90 243 return hw_init(sr_ctx, METEX_M3640D);
a53da082
UH		 244}
245
34f06b90 246static int hw_init_peaktech_4370(struct sr_context *sr_ctx)
a376ffea 247{
34f06b90 248 return hw_init(sr_ctx, PEAKTECH_4370);
a376ffea
UH		 249}
250
34f06b90 251static int hw_init_pce_pce_dm32(struct sr_context *sr_ctx)
d4bd66a0 252{
34f06b90 253 return hw_init(sr_ctx, PCE_PCE_DM32);
d4bd66a0
UH		 254}
255
34f06b90 256static int hw_init_radioshack_22_168(struct sr_context *sr_ctx)
d5ce233f 257{
34f06b90 258 return hw_init(sr_ctx, RADIOSHACK_22_168);
d5ce233f
AG		 259}
260
34f06b90 261static int hw_init_radioshack_22_812(struct sr_context *sr_ctx)
21829e67 262{
34f06b90 263 return hw_init(sr_ctx, RADIOSHACK_22_812);
21829e67
AG		 264}
265
729b01f9 266static GSList *scan(const char *conn, const char *serialcomm, int dmm)
7dc55d93
AG		 267{
268 struct sr_dev_inst *sdi;
269 struct drv_context *drvc;
270 struct dev_context *devc;
271 struct sr_probe *probe;
d35afa87 272 struct sr_serial_dev_inst *serial;
7dc55d93 273 GSList *devices;
2546b05c
AG		 274 int dropped, ret;
275 size_t len;
276 uint8_t buf[128];
7dc55d93 277
d35afa87 278 if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
7dc55d93 279 return NULL;
d35afa87 280
ce3777ad 281 if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
7dc55d93 282 return NULL;
7dc55d93 283
ce3777ad 284 sr_info("Probing port %s.", conn);
7dc55d93
AG		 285
286 drvc = di->priv;
7dc55d93 287 devices = NULL;
d35afa87 288 serial_flush(serial);
bbabddbd
UH		 289
290 /*
291 * There's no way to get an ID from the multimeter. It just sends data
292 * periodically, so the best we can do is check if the packets match
293 * the expected format.
294 */
7dc55d93 295
2546b05c
AG		 296 /* Let's get a bit of data and see if we can find a packet. */
297 len = sizeof(buf);
7dc55d93 298
ce3777ad
UH		 299 /* Request a packet if the DMM requires this. */
300 if (dmms[dmm].packet_request) {
301 if ((ret = dmms[dmm].packet_request(serial)) < 0) {
302 sr_err("Failed to request packet: %d.", ret);
303 return FALSE;
304 }
305 }
306
729b01f9
UH		 307 ret = serial_stream_detect(serial, buf, &len, dmms[dmm].packet_size,
308 dmms[dmm].packet_valid, 1000,
309 dmms[dmm].baudrate);
2546b05c
AG		 310 if (ret != SR_OK)
311 goto scan_cleanup;
7dc55d93 312
2546b05c
AG		 313 /*
314 * If we dropped more than two packets worth of data, something is
315 * wrong. We shouldn't quit however, since the dropped bytes might be
316 * just zeroes at the beginning of the stream. Those can occur as a
317 * combination of the nonstandard cable that ships with this device and
318 * the serial port or USB to serial adapter.
319 */
729b01f9
UH		 320 dropped = len - dmms[dmm].packet_size;
321 if (dropped > 2 * dmms[dmm].packet_size)
6bef68a7 322 sr_warn("Had to drop too much data.");
7dc55d93 323
2546b05c 324 sr_info("Found device on port %s.", conn);
7dc55d93 325
729b01f9
UH		 326 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, dmms[dmm].vendor,
327 dmms[dmm].device, "")))
2546b05c 328 goto scan_cleanup;
6bef68a7 329
2546b05c
AG		 330 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
331 sr_err("Device context malloc failed.");
332 goto scan_cleanup;
7dc55d93
AG		 333 }
334
2546b05c
AG		 335 devc->serial = serial;
336
337 sdi->priv = devc;
338 sdi->driver = di;
339 if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
340 goto scan_cleanup;
341 sdi->probes = g_slist_append(sdi->probes, probe);
342 drvc->instances = g_slist_append(drvc->instances, sdi);
343 devices = g_slist_append(devices, sdi);
344
345scan_cleanup:
d35afa87 346 serial_close(serial);
2546b05c 347
7dc55d93
AG		 348 return devices;
349}
350
351static GSList *hw_scan(GSList *options)
352{
353 struct sr_hwopt *opt;
354 GSList *l, *devices;
355 const char *conn, *serialcomm;
729b01f9 356 int dmm;
7dc55d93
AG		 357
358 conn = serialcomm = NULL;
359 for (l = options; l; l = l->next) {
360 opt = l->data;
361 switch (opt->hwopt) {
362 case SR_HWOPT_CONN:
363 conn = opt->value;
364 break;
365 case SR_HWOPT_SERIALCOMM:
366 serialcomm = opt->value;
367 break;
368 }
369 }
370 if (!conn)
371 return NULL;
372
f086b830 373 if (!strcmp(di->name, "digitek-dt4000zc"))
729b01f9 374 dmm = 0;
f086b830
UH		 375 if (!strcmp(di->name, "tekpower-tp4000zc"))
376 dmm = 1;
ce3777ad
UH		 377 if (!strcmp(di->name, "metex-me31"))
378 dmm = 2;
f0ac4929
UH		 379 if (!strcmp(di->name, "peaktech-3410"))
380 dmm = 3;
5887c9cc
UH		 381 if (!strcmp(di->name, "mastech-mas345"))
382 dmm = 4;
6dca2f16
UH		 383 if (!strcmp(di->name, "va-va18b"))
384 dmm = 5;
a53da082
UH		 385 if (!strcmp(di->name, "metex-m3640d"))
386 dmm = 6;
a376ffea
UH		 387 if (!strcmp(di->name, "peaktech-4370"))
388 dmm = 7;
d4bd66a0
UH		 389 if (!strcmp(di->name, "pce-pce-dm32"))
390 dmm = 8;
d5ce233f
AG		 391 if (!strcmp(di->name, "radioshack-22-168"))
392 dmm = 9;
21829e67
AG		 393 if (!strcmp(di->name, "radioshack-22-812"))
394 dmm = 10;
729b01f9 395
7dc55d93
AG		 396 if (serialcomm) {
397 /* Use the provided comm specs. */
729b01f9 398 devices = scan(conn, serialcomm, dmm);
7dc55d93 399 } else {
d35afa87 400 /* Try the default. */
729b01f9 401 devices = scan(conn, dmms[dmm].conn, dmm);
7dc55d93
AG		 402 }
403
404 return devices;
405}
406
407static GSList *hw_dev_list(void)
408{
409 struct drv_context *drvc;
410
411 drvc = di->priv;
412
413 return drvc->instances;
414}
415
416static int hw_dev_open(struct sr_dev_inst *sdi)
417{
418 struct dev_context *devc;
419
420 if (!(devc = sdi->priv)) {
421 sr_err("sdi->priv was NULL.");
422 return SR_ERR_BUG;
423 }
424
ce3777ad 425 if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
7dc55d93 426 return SR_ERR;
bbabddbd 427
7dc55d93
AG		 428 sdi->status = SR_ST_ACTIVE;
429
430 return SR_OK;
431}
432
433static int hw_dev_close(struct sr_dev_inst *sdi)
434{
435 struct dev_context *devc;
436
437 if (!(devc = sdi->priv)) {
438 sr_err("sdi->priv was NULL.");
439 return SR_ERR_BUG;
440 }
441
442 if (devc->serial && devc->serial->fd != -1) {
d35afa87 443 serial_close(devc->serial);
7dc55d93
AG		 444 sdi->status = SR_ST_INACTIVE;
445 }
446
447 return SR_OK;
448}
449
450static int hw_cleanup(void)
451{
452 clear_instances();
453
454 return SR_OK;
455}
456
457static int hw_info_get(int info_id, const void **data,
bbabddbd 458 const struct sr_dev_inst *sdi)
7dc55d93 459{
bbabddbd 460 (void)sdi;
7dc55d93
AG		 461
462 switch (info_id) {
463 case SR_DI_HWOPTS:
464 *data = hwopts;
465 break;
466 case SR_DI_HWCAPS:
467 *data = hwcaps;
468 break;
469 case SR_DI_NUM_PROBES:
470 *data = GINT_TO_POINTER(1);
471 break;
472 case SR_DI_PROBE_NAMES:
473 *data = probe_names;
474 break;
475 default:
476 return SR_ERR_ARG;
477 }
478
479 return SR_OK;
480}
481
482static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
bbabddbd 483 const void *value)
7dc55d93
AG		 484{
485 struct dev_context *devc;
486
487 if (sdi->status != SR_ST_ACTIVE)
488 return SR_ERR;
489
490 if (!(devc = sdi->priv)) {
491 sr_err("sdi->priv was NULL.");
492 return SR_ERR_BUG;
493 }
494
495 switch (hwcap) {
496 case SR_HWCAP_LIMIT_SAMPLES:
497 devc->limit_samples = *(const uint64_t *)value;
498 sr_dbg("Setting sample limit to %" PRIu64 ".",
499 devc->limit_samples);
500 break;
501 default:
502 sr_err("Unknown capability: %d.", hwcap);
503 return SR_ERR;
504 break;
505 }
506
507 return SR_OK;
508}
509
510static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
bbabddbd 511 void *cb_data)
7dc55d93
AG		 512{
513 struct sr_datafeed_packet packet;
514 struct sr_datafeed_header header;
515 struct sr_datafeed_meta_analog meta;
516 struct dev_context *devc;
729b01f9 517 int (*receive_data)(int, int, void *) = NULL;
7dc55d93
AG		 518
519 if (!(devc = sdi->priv)) {
520 sr_err("sdi->priv was NULL.");
521 return SR_ERR_BUG;
522 }
523
524 sr_dbg("Starting acquisition.");
525
526 devc->cb_data = cb_data;
527
bbabddbd
UH		 528 /*
529 * Reset the number of samples to take. If we've already collected our
7dc55d93 530 * quota, but we start a new session, and don't reset this, we'll just
bbabddbd
UH		 531 * quit without acquiring any new samples.
532 */
7dc55d93
AG		 533 devc->num_samples = 0;
534
535 /* Send header packet to the session bus. */
536 sr_dbg("Sending SR_DF_HEADER.");
537 packet.type = SR_DF_HEADER;
538 packet.payload = (uint8_t *)&header;
539 header.feed_version = 1;
540 gettimeofday(&header.starttime, NULL);
541 sr_session_send(devc->cb_data, &packet);
542
543 /* Send metadata about the SR_DF_ANALOG packets to come. */
544 sr_dbg("Sending SR_DF_META_ANALOG.");
545 packet.type = SR_DF_META_ANALOG;
546 packet.payload = &meta;
547 meta.num_probes = 1;
548 sr_session_send(devc->cb_data, &packet);
549
f086b830
UH		 550 if (!strcmp(di->name, "digitek-dt4000zc"))
551 receive_data = digitek_dt4000zc_receive_data;
729b01f9
UH		 552 if (!strcmp(di->name, "tekpower-tp4000zc"))
553 receive_data = tekpower_tp4000zc_receive_data;
ce3777ad
UH		 554 if (!strcmp(di->name, "metex-me31"))
555 receive_data = metex_me31_receive_data;
f0ac4929
UH		 556 if (!strcmp(di->name, "peaktech-3410"))
557 receive_data = peaktech_3410_receive_data;
5887c9cc
UH		 558 if (!strcmp(di->name, "mastech-mas345"))
559 receive_data = mastech_mas345_receive_data;
6dca2f16
UH		 560 if (!strcmp(di->name, "va-va18b"))
561 receive_data = va_va18b_receive_data;
a53da082
UH		 562 if (!strcmp(di->name, "metex-m3640d"))
563 receive_data = metex_m3640d_receive_data;
a376ffea
UH		 564 if (!strcmp(di->name, "peaktech-4370"))
565 receive_data = peaktech_4370_receive_data;
d4bd66a0
UH		 566 if (!strcmp(di->name, "pce-pce-dm32"))
567 receive_data = pce_pce_dm32_receive_data;
d5ce233f
AG		 568 if (!strcmp(di->name, "radioshack-22-168"))
569 receive_data = radioshack_22_168_receive_data;
21829e67
AG		 570 if (!strcmp(di->name, "radioshack-22-812"))
571 receive_data = radioshack_22_812_receive_data;
729b01f9 572
bbabddbd 573 /* Poll every 50ms, or whenever some data comes in. */
7dc55d93 574 sr_source_add(devc->serial->fd, G_IO_IN, 50,
729b01f9 575 receive_data, (void *)sdi);
7dc55d93
AG		 576
577 return SR_OK;
578}
579
69b07d14 580static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
7dc55d93
AG		 581{
582 struct sr_datafeed_packet packet;
583 struct dev_context *devc;
584
585 if (sdi->status != SR_ST_ACTIVE)
586 return SR_ERR;
587
588 if (!(devc = sdi->priv)) {
589 sr_err("sdi->priv was NULL.");
590 return SR_ERR_BUG;
591 }
592
593 sr_dbg("Stopping acquisition.");
594
595 sr_source_remove(devc->serial->fd);
596 hw_dev_close((struct sr_dev_inst *)sdi);
597
598 /* Send end packet to the session bus. */
599 sr_dbg("Sending SR_DF_END.");
600 packet.type = SR_DF_END;
601 sr_session_send(cb_data, &packet);
602
603 return SR_OK;
604}
605
f086b830
UH		 606SR_PRIV struct sr_dev_driver digitek_dt4000zc_driver_info = {
607 .name = "digitek-dt4000zc",
608 .longname = "Digitek DT4000ZC",
609 .api_version = 1,
610 .init = hw_init_digitek_dt4000zc,
611 .cleanup = hw_cleanup,
612 .scan = hw_scan,
613 .dev_list = hw_dev_list,
614 .dev_clear = clear_instances,
615 .dev_open = hw_dev_open,
616 .dev_close = hw_dev_close,
617 .info_get = hw_info_get,
618 .dev_config_set = hw_dev_config_set,
619 .dev_acquisition_start = hw_dev_acquisition_start,
620 .dev_acquisition_stop = hw_dev_acquisition_stop,
621 .priv = NULL,
622};
623
729b01f9
UH		 624SR_PRIV struct sr_dev_driver tekpower_tp4000zc_driver_info = {
625 .name = "tekpower-tp4000zc",
626 .longname = "TekPower TP4000ZC",
7dc55d93 627 .api_version = 1,
729b01f9 628 .init = hw_init_tekpower_tp4000zc,
7dc55d93
AG		 629 .cleanup = hw_cleanup,
630 .scan = hw_scan,
631 .dev_list = hw_dev_list,
632 .dev_clear = clear_instances,
633 .dev_open = hw_dev_open,
634 .dev_close = hw_dev_close,
635 .info_get = hw_info_get,
636 .dev_config_set = hw_dev_config_set,
637 .dev_acquisition_start = hw_dev_acquisition_start,
638 .dev_acquisition_stop = hw_dev_acquisition_stop,
639 .priv = NULL,
640};
ce3777ad
UH		 641
642SR_PRIV struct sr_dev_driver metex_me31_driver_info = {
643 .name = "metex-me31",
644 .longname = "Metex ME-31",
645 .api_version = 1,
646 .init = hw_init_metex_me31,
647 .cleanup = hw_cleanup,
648 .scan = hw_scan,
649 .dev_list = hw_dev_list,
650 .dev_clear = clear_instances,
651 .dev_open = hw_dev_open,
652 .dev_close = hw_dev_close,
653 .info_get = hw_info_get,
654 .dev_config_set = hw_dev_config_set,
655 .dev_acquisition_start = hw_dev_acquisition_start,
656 .dev_acquisition_stop = hw_dev_acquisition_stop,
657 .priv = NULL,
658};
f0ac4929
UH		 659
660SR_PRIV struct sr_dev_driver peaktech_3410_driver_info = {
661 .name = "peaktech-3410",
662 .longname = "PeakTech 3410",
663 .api_version = 1,
664 .init = hw_init_peaktech_3410,
665 .cleanup = hw_cleanup,
666 .scan = hw_scan,
667 .dev_list = hw_dev_list,
668 .dev_clear = clear_instances,
669 .dev_open = hw_dev_open,
670 .dev_close = hw_dev_close,
671 .info_get = hw_info_get,
672 .dev_config_set = hw_dev_config_set,
673 .dev_acquisition_start = hw_dev_acquisition_start,
674 .dev_acquisition_stop = hw_dev_acquisition_stop,
675 .priv = NULL,
676};
5887c9cc
UH		 677
678SR_PRIV struct sr_dev_driver mastech_mas345_driver_info = {
679 .name = "mastech-mas345",
680 .longname = "MASTECH MAS345",
681 .api_version = 1,
682 .init = hw_init_mastech_mas345,
683 .cleanup = hw_cleanup,
684 .scan = hw_scan,
685 .dev_list = hw_dev_list,
686 .dev_clear = clear_instances,
687 .dev_open = hw_dev_open,
688 .dev_close = hw_dev_close,
689 .info_get = hw_info_get,
690 .dev_config_set = hw_dev_config_set,
691 .dev_acquisition_start = hw_dev_acquisition_start,
692 .dev_acquisition_stop = hw_dev_acquisition_stop,
693 .priv = NULL,
694};
6dca2f16
UH		 695
696SR_PRIV struct sr_dev_driver va_va18b_driver_info = {
697 .name = "va-va18b",
698 .longname = "V&A VA18B",
699 .api_version = 1,
700 .init = hw_init_va_va18b,
701 .cleanup = hw_cleanup,
702 .scan = hw_scan,
703 .dev_list = hw_dev_list,
704 .dev_clear = clear_instances,
705 .dev_open = hw_dev_open,
706 .dev_close = hw_dev_close,
707 .info_get = hw_info_get,
708 .dev_config_set = hw_dev_config_set,
709 .dev_acquisition_start = hw_dev_acquisition_start,
710 .dev_acquisition_stop = hw_dev_acquisition_stop,
711 .priv = NULL,
712};
a53da082
UH		 713
714SR_PRIV struct sr_dev_driver metex_m3640d_driver_info = {
715 .name = "metex-m3640d",
716 .longname = "Metex M-3640D",
717 .api_version = 1,
718 .init = hw_init_metex_m3640d,
719 .cleanup = hw_cleanup,
720 .scan = hw_scan,
721 .dev_list = hw_dev_list,
722 .dev_clear = clear_instances,
723 .dev_open = hw_dev_open,
724 .dev_close = hw_dev_close,
725 .info_get = hw_info_get,
726 .dev_config_set = hw_dev_config_set,
727 .dev_acquisition_start = hw_dev_acquisition_start,
728 .dev_acquisition_stop = hw_dev_acquisition_stop,
729 .priv = NULL,
730};
a376ffea
UH		 731
732SR_PRIV struct sr_dev_driver peaktech_4370_driver_info = {
733 .name = "peaktech-4370",
734 .longname = "PeakTech 4370",
735 .api_version = 1,
736 .init = hw_init_peaktech_4370,
737 .cleanup = hw_cleanup,
738 .scan = hw_scan,
739 .dev_list = hw_dev_list,
740 .dev_clear = clear_instances,
741 .dev_open = hw_dev_open,
742 .dev_close = hw_dev_close,
743 .info_get = hw_info_get,
744 .dev_config_set = hw_dev_config_set,
745 .dev_acquisition_start = hw_dev_acquisition_start,
746 .dev_acquisition_stop = hw_dev_acquisition_stop,
747 .priv = NULL,
748};
d4bd66a0
UH		 749
750SR_PRIV struct sr_dev_driver pce_pce_dm32_driver_info = {
751 .name = "pce-pce-dm32",
752 .longname = "PCE PCE-DM32",
753 .api_version = 1,
754 .init = hw_init_pce_pce_dm32,
755 .cleanup = hw_cleanup,
756 .scan = hw_scan,
757 .dev_list = hw_dev_list,
758 .dev_clear = clear_instances,
759 .dev_open = hw_dev_open,
760 .dev_close = hw_dev_close,
761 .info_get = hw_info_get,
762 .dev_config_set = hw_dev_config_set,
763 .dev_acquisition_start = hw_dev_acquisition_start,
764 .dev_acquisition_stop = hw_dev_acquisition_stop,
765 .priv = NULL,
766};
767
d5ce233f
AG		 768SR_PRIV struct sr_dev_driver radioshack_22_168_driver_info = {
769 .name = "radioshack-22-168",
770 .longname = "RadioShack 22-168",
771 .api_version = 1,
772 .init = hw_init_radioshack_22_168,
773 .cleanup = hw_cleanup,
774 .scan = hw_scan,
775 .dev_list = hw_dev_list,
776 .dev_clear = clear_instances,
777 .dev_open = hw_dev_open,
778 .dev_close = hw_dev_close,
779 .info_get = hw_info_get,
780 .dev_config_set = hw_dev_config_set,
781 .dev_acquisition_start = hw_dev_acquisition_start,
782 .dev_acquisition_stop = hw_dev_acquisition_stop,
783 .priv = NULL,
784};
21829e67
AG		 785
786SR_PRIV struct sr_dev_driver radioshack_22_812_driver_info = {
787 .name = "radioshack-22-812",
788 .longname = "RadioShack 22-812",
789 .api_version = 1,
790 .init = hw_init_radioshack_22_812,
791 .cleanup = hw_cleanup,
792 .scan = hw_scan,
793 .dev_list = hw_dev_list,
794 .dev_clear = clear_instances,
795 .dev_open = hw_dev_open,
796 .dev_close = hw_dev_close,
797 .info_get = hw_info_get,
798 .dev_config_set = hw_dev_config_set,
799 .dev_acquisition_start = hw_dev_acquisition_start,
800 .dev_acquisition_stop = hw_dev_acquisition_stop,
801 .priv = NULL,
802};
Hardware access and backend lib