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 GSList *scan(struct sr_dev_driver *di, GSList *options)
47 struct sr_config *src;
49 const char *conn, *serialcomm;
50 struct sr_dev_inst *sdi;
51 struct dev_context *devc;
52 struct sr_serial_dev_inst *serial;
57 dmm = (struct dmm_info *)di;
59 conn = serialcomm = NULL;
60 for (l = options; l; l = l->next) {
64 conn = g_variant_get_string(src->data, NULL);
66 case SR_CONF_SERIALCOMM:
67 serialcomm = g_variant_get_string(src->data, NULL);
75 serialcomm = dmm->conn;
77 serial = sr_serial_dev_inst_new(conn, serialcomm);
79 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
82 sr_info("Probing serial port %s.", conn);
87 /* Request a packet if the DMM requires this. */
88 if (dmm->packet_request) {
89 if ((ret = dmm->packet_request(serial)) < 0) {
90 sr_err("Failed to request packet: %d.", ret);
96 * There's no way to get an ID from the multimeter. It just sends data
97 * periodically (or upon request), so the best we can do is check if
98 * the packets match the expected format.
101 /* Let's get a bit of data and see if we can find a packet. */
103 ret = serial_stream_detect(serial, buf, &len, dmm->packet_size,
104 dmm->packet_valid, 3000,
110 * If we dropped more than two packets worth of data, something is
111 * wrong. We shouldn't quit however, since the dropped bytes might be
112 * just zeroes at the beginning of the stream. Those can occur as a
113 * combination of the nonstandard cable that ships with some devices
114 * and the serial port or USB to serial adapter.
116 dropped = len - dmm->packet_size;
117 if (dropped > 2 * dmm->packet_size)
118 sr_warn("Had to drop too much data.");
120 sr_info("Found device on port %s.", conn);
122 sdi = g_malloc0(sizeof(struct sr_dev_inst));
123 sdi->status = SR_ST_INACTIVE;
124 sdi->vendor = g_strdup(dmm->vendor);
125 sdi->model = g_strdup(dmm->device);
126 devc = g_malloc0(sizeof(struct dev_context));
127 sr_sw_limits_init(&devc->limits);
128 sdi->inst_type = SR_INST_SERIAL;
131 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
132 devices = g_slist_append(devices, sdi);
135 serial_close(serial);
137 return std_scan_complete(di, devices);
140 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
141 const struct sr_channel_group *cg)
143 struct dev_context *devc;
147 if (sdi->status != SR_ST_ACTIVE)
148 return SR_ERR_DEV_CLOSED;
152 return sr_sw_limits_config_set(&devc->limits, key, data);
155 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
156 const struct sr_channel_group *cg)
162 case SR_CONF_SCAN_OPTIONS:
163 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
164 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
166 case SR_CONF_DEVICE_OPTIONS:
167 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
168 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
177 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
179 struct dev_context *devc;
180 struct sr_serial_dev_inst *serial;
182 if (sdi->status != SR_ST_ACTIVE)
183 return SR_ERR_DEV_CLOSED;
187 sr_sw_limits_acquisition_start(&devc->limits);
188 std_session_send_df_header(sdi, LOG_PREFIX);
190 /* Poll every 50ms, or whenever some data comes in. */
192 serial_source_add(sdi->session, serial, G_IO_IN, 50,
193 receive_data, (void *)sdi);
198 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
200 return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
201 sdi->conn, LOG_PREFIX);
204 #define DMM(ID, CHIPSET, VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, \
205 DELAY, REQUEST, VALID, PARSE, DETAILS) \
206 &((struct dmm_info) { \
209 .longname = VENDOR " " MODEL, \
212 .cleanup = std_cleanup, \
214 .dev_list = std_dev_list, \
215 .config_get = NULL, \
216 .config_set = config_set, \
217 .config_list = config_list, \
218 .dev_open = std_serial_dev_open, \
219 .dev_close = std_serial_dev_close, \
220 .dev_acquisition_start = dev_acquisition_start, \
221 .dev_acquisition_stop = dev_acquisition_stop, \
224 VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, DELAY, \
225 REQUEST, VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
228 SR_REGISTER_DEV_DRIVER_LIST(serial_dmm_drivers,
230 "bbcgm-2010", metex14,
231 "BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
232 BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
233 sr_m2110_packet_valid, sr_m2110_parse,
237 "digitek-dt4000zc", fs9721,
238 "Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
239 FS9721_PACKET_SIZE, 0, 0, NULL,
240 sr_fs9721_packet_valid, sr_fs9721_parse,
244 "tekpower-tp4000ZC", fs9721,
245 "TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
246 FS9721_PACKET_SIZE, 0, 0, NULL,
247 sr_fs9721_packet_valid, sr_fs9721_parse,
251 "metex-me31", metex14,
252 "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
253 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
254 sr_metex14_packet_valid, sr_metex14_parse,
258 "peaktech-3410", metex14,
259 "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
260 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
261 sr_metex14_packet_valid, sr_metex14_parse,
265 "mastech-mas345", metex14,
266 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
267 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
268 sr_metex14_packet_valid, sr_metex14_parse,
272 "mastech-ms8250b", fs9721,
273 "MASTECH", "MS8250B", "2400/8n1/rts=0/dtr=1",
274 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
275 sr_fs9721_packet_valid, sr_fs9721_parse,
280 "V&A", "VA18B", "2400/8n1", 2400,
281 FS9721_PACKET_SIZE, 0, 0, NULL,
282 sr_fs9721_packet_valid, sr_fs9721_parse,
287 "V&A", "VA40B", "2400/8n1", 2400,
288 FS9721_PACKET_SIZE, 0, 0, NULL,
289 sr_fs9721_packet_valid, sr_fs9721_parse,
293 "metex-m3640d", metex14,
294 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
295 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
296 sr_metex14_packet_valid, sr_metex14_parse,
300 "metex-m4650cr", metex14,
301 "Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
302 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
303 sr_metex14_packet_valid, sr_metex14_parse,
307 "peaktech-4370", metex14,
308 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
309 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
310 sr_metex14_packet_valid, sr_metex14_parse,
314 "pce-pce-dm32", fs9721,
315 "PCE", "PCE-DM32", "2400/8n1", 2400,
316 FS9721_PACKET_SIZE, 0, 0, NULL,
317 sr_fs9721_packet_valid, sr_fs9721_parse,
318 sr_fs9721_01_10_temp_f_c
321 "radioshack-22-168", metex14,
322 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
323 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
324 sr_metex14_packet_valid, sr_metex14_parse,
328 "radioshack-22-805", metex14,
329 "RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
330 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
331 sr_metex14_packet_valid, sr_metex14_parse,
335 "radioshack-22-812", rs9lcd,
336 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
337 RS9LCD_PACKET_SIZE, 0, 0, NULL,
338 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
342 "tecpel-dmm-8061-ser", fs9721,
343 "Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
344 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
345 sr_fs9721_packet_valid, sr_fs9721_parse,
349 "voltcraft-m3650cr", metex14,
350 "Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1", 1200,
351 METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
352 sr_metex14_packet_valid, sr_metex14_parse,
356 "voltcraft-m3650d", metex14,
357 "Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1", 1200,
358 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
359 sr_metex14_packet_valid, sr_metex14_parse,
363 "voltcraft-m4650cr", metex14,
364 "Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
365 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
366 sr_metex14_packet_valid, sr_metex14_parse,
370 "voltcraft-me42", metex14,
371 "Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1", 600,
372 METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
373 sr_metex14_packet_valid, sr_metex14_parse,
377 "voltcraft-vc820-ser", fs9721,
378 "Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
379 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
380 sr_fs9721_packet_valid, sr_fs9721_parse,
385 * Note: The VC830 doesn't set the 'volt' and 'diode' bits of
386 * the FS9922 protocol. Instead, it only sets the user-defined
387 * bit "z1" to indicate "diode mode" and "voltage".
389 "voltcraft-vc830-ser", fs9922,
390 "Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
391 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
392 sr_fs9922_packet_valid, sr_fs9922_parse,
396 "voltcraft-vc840-ser", fs9721,
397 "Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
398 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
399 sr_fs9721_packet_valid, sr_fs9721_parse,
403 "voltcraft-vc870-ser", vc870,
404 "Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
405 9600, VC870_PACKET_SIZE, 0, 0, NULL,
406 sr_vc870_packet_valid, sr_vc870_parse, NULL
409 "voltcraft-vc920-ser", ut71x,
410 "Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
411 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
412 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
415 "voltcraft-vc940-ser", ut71x,
416 "Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
417 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
418 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
421 "voltcraft-vc960-ser", ut71x,
422 "Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
423 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
424 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
427 "uni-t-ut60a-ser", fs9721,
428 "UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
429 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
430 sr_fs9721_packet_valid, sr_fs9721_parse,
434 "uni-t-ut60e-ser", fs9721,
435 "UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
436 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
437 sr_fs9721_packet_valid, sr_fs9721_parse,
441 /* Note: ES51986 baudrate is actually 19230! */
442 "uni-t-ut60g-ser", es519xx,
443 "UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
444 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
445 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
449 "uni-t-ut61b-ser", fs9922,
450 "UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
451 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
452 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
455 "uni-t-ut61c-ser", fs9922,
456 "UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
457 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
458 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
461 "uni-t-ut61d-ser", fs9922,
462 "UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
463 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
464 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
467 "uni-t-ut61e-ser", es519xx,
468 /* Note: ES51922 baudrate is actually 19230! */
469 "UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
470 19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
471 sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
475 "uni-t-ut71a-ser", ut71x,
476 "UNI-T", "UT71A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
477 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
478 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
481 "uni-t-ut71b-ser", ut71x,
482 "UNI-T", "UT71B (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
483 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
484 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
487 "uni-t-ut71c-ser", ut71x,
488 "UNI-T", "UT71C (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
489 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
490 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
493 "uni-t-ut71d-ser", ut71x,
494 "UNI-T", "UT71D (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
495 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
496 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
499 "uni-t-ut71e-ser", ut71x,
500 "UNI-T", "UT71E (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
501 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
502 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
505 "iso-tech-idm103n", es519xx,
506 "ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
507 2400, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
508 sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
512 "tenma-72-7730-ser", ut71x,
513 "Tenma", "72-7730 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
514 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
515 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
518 "tenma-72-7732-ser", ut71x,
519 "Tenma", "72-7732 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
520 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
521 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
524 "tenma-72-9380a-ser", ut71x,
525 "Tenma", "72-9380A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
526 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
527 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
530 "tenma-72-7745-ser", fs9721,
531 "Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
532 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
533 sr_fs9721_packet_valid, sr_fs9721_parse,
537 "tenma-72-7750-ser", es519xx,
538 /* Note: ES51986 baudrate is actually 19230! */
539 "Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
540 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
541 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
545 "brymen-bm25x", bm25x,
546 "Brymen", "BM25x", "9600/8n1/rts=1/dtr=1",
547 9600, BRYMEN_BM25X_PACKET_SIZE, 0, 0, NULL,
548 sr_brymen_bm25x_packet_valid, sr_brymen_bm25x_parse,
552 "velleman-dvm4100", dtm0660,
553 "Velleman", "DVM4100", "2400/8n1/rts=0/dtr=1",
554 2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
555 sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL
558 "peaktech-3415", dtm0660,
559 "Peaktech", "3415", "2400/8n1/rts=0/dtr=1",
560 2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
561 sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL