2 * This file is part of the libsigrok project.
4 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
5 * Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com>
6 * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
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.
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.
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/>.
23 #include <sys/types.h>
28 #include <libsigrok/libsigrok.h>
29 #include "libsigrok-internal.h"
32 static const uint32_t scanopts[] = {
37 static const uint32_t devopts[] = {
40 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
41 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
44 static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
46 return std_init(sr_ctx, di, LOG_PREFIX);
49 static GSList *scan(struct sr_dev_driver *di, GSList *options)
52 struct sr_config *src;
54 const char *conn, *serialcomm;
55 struct sr_dev_inst *sdi;
56 struct drv_context *drvc;
57 struct dev_context *devc;
58 struct sr_serial_dev_inst *serial;
63 dmm = (struct dmm_info *)di;
65 conn = serialcomm = NULL;
66 for (l = options; l; l = l->next) {
70 conn = g_variant_get_string(src->data, NULL);
72 case SR_CONF_SERIALCOMM:
73 serialcomm = g_variant_get_string(src->data, NULL);
81 serialcomm = dmm->conn;
83 serial = sr_serial_dev_inst_new(conn, serialcomm);
85 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
88 sr_info("Probing serial port %s.", conn);
94 /* Request a packet if the DMM requires this. */
95 if (dmm->packet_request) {
96 if ((ret = dmm->packet_request(serial)) < 0) {
97 sr_err("Failed to request packet: %d.", ret);
103 * There's no way to get an ID from the multimeter. It just sends data
104 * periodically (or upon request), so the best we can do is check if
105 * the packets match the expected format.
108 /* Let's get a bit of data and see if we can find a packet. */
110 ret = serial_stream_detect(serial, buf, &len, dmm->packet_size,
111 dmm->packet_valid, 3000,
117 * If we dropped more than two packets worth of data, something is
118 * wrong. We shouldn't quit however, since the dropped bytes might be
119 * just zeroes at the beginning of the stream. Those can occur as a
120 * combination of the nonstandard cable that ships with some devices
121 * and the serial port or USB to serial adapter.
123 dropped = len - dmm->packet_size;
124 if (dropped > 2 * dmm->packet_size)
125 sr_warn("Had to drop too much data.");
127 sr_info("Found device on port %s.", conn);
129 sdi = g_malloc0(sizeof(struct sr_dev_inst));
130 sdi->status = SR_ST_INACTIVE;
131 sdi->vendor = g_strdup(dmm->vendor);
132 sdi->model = g_strdup(dmm->device);
133 devc = g_malloc0(sizeof(struct dev_context));
134 sdi->inst_type = SR_INST_SERIAL;
138 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
139 drvc->instances = g_slist_append(drvc->instances, sdi);
140 devices = g_slist_append(devices, sdi);
143 serial_close(serial);
148 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
149 const struct sr_channel_group *cg)
151 struct dev_context *devc;
155 if (sdi->status != SR_ST_ACTIVE)
156 return SR_ERR_DEV_CLOSED;
158 if (!(devc = sdi->priv)) {
159 sr_err("sdi->priv was NULL.");
164 case SR_CONF_LIMIT_SAMPLES:
165 devc->limit_samples = g_variant_get_uint64(data);
167 case SR_CONF_LIMIT_MSEC:
168 devc->limit_msec = g_variant_get_uint64(data);
177 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
178 const struct sr_channel_group *cg)
184 case SR_CONF_SCAN_OPTIONS:
185 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
186 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
188 case SR_CONF_DEVICE_OPTIONS:
189 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
190 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
199 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
201 struct dev_context *devc;
202 struct sr_serial_dev_inst *serial;
204 if (sdi->status != SR_ST_ACTIVE)
205 return SR_ERR_DEV_CLOSED;
210 * Reset the number of samples to take. If we've already collected our
211 * quota, but we start a new session, and don't reset this, we'll just
212 * quit without acquiring any new samples.
214 devc->num_samples = 0;
215 devc->starttime = g_get_monotonic_time();
217 std_session_send_df_header(sdi, LOG_PREFIX);
219 /* Poll every 50ms, or whenever some data comes in. */
221 serial_source_add(sdi->session, serial, G_IO_IN, 50,
222 receive_data, (void *)sdi);
227 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
229 return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
230 sdi->conn, LOG_PREFIX);
233 #define DMM(ID, CHIPSET, VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, \
234 DELAY, REQUEST, VALID, PARSE, DETAILS) \
235 &(struct dmm_info) { \
238 .longname = VENDOR " " MODEL, \
241 .cleanup = std_cleanup, \
243 .dev_list = std_dev_list, \
244 .config_get = NULL, \
245 .config_set = config_set, \
246 .config_list = config_list, \
247 .dev_open = std_serial_dev_open, \
248 .dev_close = std_serial_dev_close, \
249 .dev_acquisition_start = dev_acquisition_start, \
250 .dev_acquisition_stop = dev_acquisition_stop, \
253 VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, DELAY, \
254 REQUEST, VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
257 SR_PRIV const struct dmm_info *serial_dmm_drivers[] = {
259 "bbcgm-2010", metex14,
260 "BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
261 BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
262 sr_m2110_packet_valid, sr_m2110_parse,
266 "digitek-dt4000zc", fs9721,
267 "Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
268 FS9721_PACKET_SIZE, 0, 0, NULL,
269 sr_fs9721_packet_valid, sr_fs9721_parse,
273 "tekpower-tp4000ZC", fs9721,
274 "TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
275 FS9721_PACKET_SIZE, 0, 0, NULL,
276 sr_fs9721_packet_valid, sr_fs9721_parse,
280 "metex-me31", metex14,
281 "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
282 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
283 sr_metex14_packet_valid, sr_metex14_parse,
287 "peaktech-3410", metex14,
288 "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
289 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
290 sr_metex14_packet_valid, sr_metex14_parse,
294 "mastech-mas345", metex14,
295 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
296 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
297 sr_metex14_packet_valid, sr_metex14_parse,
301 "mastech-ms8250b", fs9721,
302 "MASTECH", "MS8250B", "2400/8n1/rts=0/dtr=1",
303 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
304 sr_fs9721_packet_valid, sr_fs9721_parse,
309 "V&A", "VA18B", "2400/8n1", 2400,
310 FS9721_PACKET_SIZE, 0, 0, NULL,
311 sr_fs9721_packet_valid, sr_fs9721_parse,
316 "V&A", "VA40B", "2400/8n1", 2400,
317 FS9721_PACKET_SIZE, 0, 0, NULL,
318 sr_fs9721_packet_valid, sr_fs9721_parse,
322 "metex-m3640d", metex14,
323 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
324 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
325 sr_metex14_packet_valid, sr_metex14_parse,
329 "metex-m4650cr", metex14,
330 "Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
331 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
332 sr_metex14_packet_valid, sr_metex14_parse,
336 "peaktech-4370", metex14,
337 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
338 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
339 sr_metex14_packet_valid, sr_metex14_parse,
343 "pce-pce-dm32", fs9721,
344 "PCE", "PCE-DM32", "2400/8n1", 2400,
345 FS9721_PACKET_SIZE, 0, 0, NULL,
346 sr_fs9721_packet_valid, sr_fs9721_parse,
347 sr_fs9721_01_10_temp_f_c
350 "radioshack-22-168", metex14,
351 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
352 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
353 sr_metex14_packet_valid, sr_metex14_parse,
357 "radioshack-22-805", metex14,
358 "RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
359 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
360 sr_metex14_packet_valid, sr_metex14_parse,
364 "radioshack-22-812", rs9lcd,
365 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
366 RS9LCD_PACKET_SIZE, 0, 0, NULL,
367 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
371 "tecpel-dmm-8061-ser", fs9721,
372 "Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
373 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
374 sr_fs9721_packet_valid, sr_fs9721_parse,
378 "voltcraft-m3650cr", metex14,
379 "Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1", 1200,
380 METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
381 sr_metex14_packet_valid, sr_metex14_parse,
385 "voltcraft-m3650d", metex14,
386 "Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1", 1200,
387 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
388 sr_metex14_packet_valid, sr_metex14_parse,
392 "voltcraft-m4650cr", metex14,
393 "Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
394 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
395 sr_metex14_packet_valid, sr_metex14_parse,
399 "voltcraft-me42", metex14,
400 "Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1", 600,
401 METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
402 sr_metex14_packet_valid, sr_metex14_parse,
406 "voltcraft-vc820-ser", fs9721,
407 "Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
408 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
409 sr_fs9721_packet_valid, sr_fs9721_parse,
414 * Note: The VC830 doesn't set the 'volt' and 'diode' bits of
415 * the FS9922 protocol. Instead, it only sets the user-defined
416 * bit "z1" to indicate "diode mode" and "voltage".
418 "voltcraft-vc830-ser", fs9922,
419 "Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
420 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
421 sr_fs9922_packet_valid, sr_fs9922_parse,
425 "voltcraft-vc840-ser", fs9721,
426 "Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
427 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
428 sr_fs9721_packet_valid, sr_fs9721_parse,
432 "voltcraft-vc870-ser", vc870,
433 "Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
434 9600, VC870_PACKET_SIZE, 0, 0, NULL,
435 sr_vc870_packet_valid, sr_vc870_parse, NULL
438 "voltcraft-vc920-ser", ut71x,
439 "Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
440 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
441 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
444 "voltcraft-vc940-ser", ut71x,
445 "Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
446 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
447 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
450 "voltcraft-vc960-ser", ut71x,
451 "Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
452 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
453 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
456 "uni-t-ut60a-ser", fs9721,
457 "UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
458 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
459 sr_fs9721_packet_valid, sr_fs9721_parse,
463 "uni-t-ut60e-ser", fs9721,
464 "UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
465 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
466 sr_fs9721_packet_valid, sr_fs9721_parse,
470 /* Note: ES51986 baudrate is actually 19230! */
471 "uni-t-ut60g-ser", es519xx,
472 "UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
473 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
474 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
478 "uni-t-ut61b-ser", fs9922,
479 "UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
480 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
481 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
484 "uni-t-ut61c-ser", fs9922,
485 "UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
486 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
487 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
490 "uni-t-ut61d-ser", fs9922,
491 "UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
492 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
493 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
496 "uni-t-ut61e-ser", es519xx,
497 /* Note: ES51922 baudrate is actually 19230! */
498 "UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
499 19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
500 sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
504 "uni-t-ut71a-ser", ut71x,
505 "UNI-T", "UT71A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
506 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
507 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
510 "uni-t-ut71b-ser", ut71x,
511 "UNI-T", "UT71B (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
512 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
513 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
516 "uni-t-ut71c-ser", ut71x,
517 "UNI-T", "UT71C (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
518 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
519 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
522 "uni-t-ut71d-ser", ut71x,
523 "UNI-T", "UT71D (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
524 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
525 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
528 "uni-t-ut71e-ser", ut71x,
529 "UNI-T", "UT71E (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
530 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
531 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
534 "iso-tech-idm103n", es519xx,
535 "ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
536 2400, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
537 sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
541 "tenma-72-7730-ser", ut71x,
542 "Tenma", "72-7730 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
543 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
544 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
547 "tenma-72-7732-ser", ut71x,
548 "Tenma", "72-7732 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
549 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
550 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
553 "tenma-72-9380a-ser", ut71x,
554 "Tenma", "72-9380A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
555 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
556 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
559 "tenma-72-7745-ser", fs9721,
560 "Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
561 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
562 sr_fs9721_packet_valid, sr_fs9721_parse,
566 "tenma-72-7750-ser", es519xx,
567 /* Note: ES51986 baudrate is actually 19230! */
568 "Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
569 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
570 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
574 "brymen-bm25x", bm25x,
575 "Brymen", "BM25x", "9600/8n1/rts=1/dtr=1",
576 9600, BRYMEN_BM25X_PACKET_SIZE, 0, 0, NULL,
577 sr_brymen_bm25x_packet_valid, sr_brymen_bm25x_parse,
581 "velleman-dvm4100", dtm0660,
582 "Velleman", "DVM4100", "2400/8n1/rts=0/dtr=1",
583 2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
584 sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL
587 "peaktech-3415", dtm0660,
588 "Peaktech", "3415", "2400/8n1/rts=0/dtr=1",
589 2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
590 sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL