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);
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 #define DMM(ID, CHIPSET, VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, \
199 DELAY, REQUEST, VALID, PARSE, DETAILS) \
200 &((struct dmm_info) { \
203 .longname = VENDOR " " MODEL, \
206 .cleanup = std_cleanup, \
208 .dev_list = std_dev_list, \
209 .config_get = NULL, \
210 .config_set = config_set, \
211 .config_list = config_list, \
212 .dev_open = std_serial_dev_open, \
213 .dev_close = std_serial_dev_close, \
214 .dev_acquisition_start = dev_acquisition_start, \
215 .dev_acquisition_stop = std_serial_dev_acquisition_stop, \
218 VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, DELAY, \
219 REQUEST, VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
222 SR_REGISTER_DEV_DRIVER_LIST(serial_dmm_drivers,
224 * The items are sorted by chipset first and then model name.
226 * This reflects the developer's perspective and is preferrable
227 * during maintenance, as a vendor/product based sort order does
228 * not work well for rebranded models, and from a support point
229 * of view it's more important to identify similarities between
230 * models and compatible devices.
232 * Fold marks {{{ }}} with matching braces were added, to further
233 * speed up navigation in the long list.
235 /* bm25x based meters {{{ */
237 "brymen-bm25x", bm25x,
238 "Brymen", "BM25x", "9600/8n1/rts=1/dtr=1",
239 9600, BRYMEN_BM25X_PACKET_SIZE, 0, 0, NULL,
240 sr_brymen_bm25x_packet_valid, sr_brymen_bm25x_parse,
244 /* dtm0660 based meters {{{ */
246 "peaktech-3415", dtm0660,
247 "Peaktech", "3415", "2400/8n1/rts=0/dtr=1",
248 2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
249 sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL
252 "velleman-dvm4100", dtm0660,
253 "Velleman", "DVM4100", "2400/8n1/rts=0/dtr=1",
254 2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
255 sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL
258 /* es519xx based meters {{{ */
260 "iso-tech-idm103n", es519xx,
261 "ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
262 2400, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
263 sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
267 * Note: ES51922 and ES51986 baudrate is actually 19230. This is
268 * "out" by .15%, and so is well within the typical 1% margin
269 * that is considered acceptable in UART communication, and thus
270 * should not cause an issue.
272 * However, using 19230 as baudrate here will not work, as most DMM
273 * cables do not support that baudrate!
276 "tenma-72-7750-ser", es519xx,
277 "Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
278 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
279 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
283 "uni-t-ut60g-ser", es519xx,
284 "UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
285 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
286 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
290 "uni-t-ut61e-ser", es519xx,
291 "UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
292 19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
293 sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
297 /* fs9721 based meters {{{ */
299 "digitek-dt4000zc", fs9721,
300 "Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
301 FS9721_PACKET_SIZE, 0, 0, NULL,
302 sr_fs9721_packet_valid, sr_fs9721_parse,
306 "mastech-ms8250b", fs9721,
307 "MASTECH", "MS8250B", "2400/8n1/rts=0/dtr=1",
308 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
309 sr_fs9721_packet_valid, sr_fs9721_parse,
313 "pce-pce-dm32", fs9721,
314 "PCE", "PCE-DM32", "2400/8n1", 2400,
315 FS9721_PACKET_SIZE, 0, 0, NULL,
316 sr_fs9721_packet_valid, sr_fs9721_parse,
317 sr_fs9721_01_10_temp_f_c
320 "peaktech-3330", fs9721,
321 "Peaktech", "3330", "2400/8n1/dtr=1", 2400,
322 FS9721_PACKET_SIZE, 0, 0, NULL,
323 sr_fs9721_packet_valid, sr_fs9721_parse,
324 sr_fs9721_01_10_temp_f_c
327 "tecpel-dmm-8061-ser", fs9721,
328 "Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
329 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
330 sr_fs9721_packet_valid, sr_fs9721_parse,
334 "tekpower-tp4000ZC", fs9721,
335 "TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
336 FS9721_PACKET_SIZE, 0, 0, NULL,
337 sr_fs9721_packet_valid, sr_fs9721_parse,
341 "tenma-72-7745-ser", fs9721,
342 "Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
343 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
344 sr_fs9721_packet_valid, sr_fs9721_parse,
348 "uni-t-ut60a-ser", fs9721,
349 "UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
350 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
351 sr_fs9721_packet_valid, sr_fs9721_parse,
355 "uni-t-ut60e-ser", fs9721,
356 "UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
357 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
358 sr_fs9721_packet_valid, sr_fs9721_parse,
363 "V&A", "VA18B", "2400/8n1", 2400,
364 FS9721_PACKET_SIZE, 0, 0, NULL,
365 sr_fs9721_packet_valid, sr_fs9721_parse,
370 "V&A", "VA40B", "2400/8n1", 2400,
371 FS9721_PACKET_SIZE, 0, 0, NULL,
372 sr_fs9721_packet_valid, sr_fs9721_parse,
376 "voltcraft-vc820-ser", fs9721,
377 "Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
378 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
379 sr_fs9721_packet_valid, sr_fs9721_parse,
383 "voltcraft-vc840-ser", fs9721,
384 "Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
385 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
386 sr_fs9721_packet_valid, sr_fs9721_parse,
390 /* fs9922 based meters {{{ */
392 "uni-t-ut61b-ser", fs9922,
393 "UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
394 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
395 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
398 "uni-t-ut61c-ser", fs9922,
399 "UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
400 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
401 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
404 "uni-t-ut61d-ser", fs9922,
405 "UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
406 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
407 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
411 * Note: The VC830 doesn't set the 'volt' and 'diode' bits of
412 * the FS9922 protocol. Instead, it only sets the user-defined
413 * bit "z1" to indicate "diode mode" and "voltage".
415 "voltcraft-vc830-ser", fs9922,
416 "Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
417 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
418 sr_fs9922_packet_valid, sr_fs9922_parse,
422 /* metex14 based meters {{{ */
424 "bbcgm-2010", metex14,
425 "BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
426 BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
427 sr_m2110_packet_valid, sr_m2110_parse,
431 "mastech-mas345", metex14,
432 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
433 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
434 sr_metex14_packet_valid, sr_metex14_parse,
438 "metex-m3640d", metex14,
439 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
440 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
441 sr_metex14_packet_valid, sr_metex14_parse,
445 "metex-m4650cr", metex14,
446 "Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
447 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
448 sr_metex14_packet_valid, sr_metex14_parse,
452 "metex-me31", metex14,
453 "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
454 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
455 sr_metex14_packet_valid, sr_metex14_parse,
459 "peaktech-3410", metex14,
460 "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
461 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
462 sr_metex14_packet_valid, sr_metex14_parse,
466 "peaktech-4370", metex14,
467 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
468 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
469 sr_metex14_packet_valid, sr_metex14_parse,
473 "radioshack-22-168", metex14,
474 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
475 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
476 sr_metex14_packet_valid, sr_metex14_parse,
480 "radioshack-22-805", metex14,
481 "RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
482 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
483 sr_metex14_packet_valid, sr_metex14_parse,
487 "voltcraft-m3650cr", metex14,
488 "Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1", 1200,
489 METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
490 sr_metex14_packet_valid, sr_metex14_parse,
494 "voltcraft-m3650d", metex14,
495 "Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1", 1200,
496 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
497 sr_metex14_packet_valid, sr_metex14_parse,
501 "voltcraft-m4650cr", metex14,
502 "Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
503 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
504 sr_metex14_packet_valid, sr_metex14_parse,
508 "voltcraft-me42", metex14,
509 "Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1", 600,
510 METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
511 sr_metex14_packet_valid, sr_metex14_parse,
515 /* rs9lcd based meters {{{ */
517 "radioshack-22-812", rs9lcd,
518 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
519 RS9LCD_PACKET_SIZE, 0, 0, NULL,
520 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
524 /* ut71x based meters {{{ */
526 "tenma-72-7730-ser", ut71x,
527 "Tenma", "72-7730 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
528 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
529 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
532 "tenma-72-7732-ser", ut71x,
533 "Tenma", "72-7732 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
534 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
535 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
538 "tenma-72-9380a-ser", ut71x,
539 "Tenma", "72-9380A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
540 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
541 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
544 "uni-t-ut71a-ser", ut71x,
545 "UNI-T", "UT71A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
546 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
547 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
550 "uni-t-ut71b-ser", ut71x,
551 "UNI-T", "UT71B (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
552 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
553 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
556 "uni-t-ut71c-ser", ut71x,
557 "UNI-T", "UT71C (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
558 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
559 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
562 "uni-t-ut71d-ser", ut71x,
563 "UNI-T", "UT71D (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
564 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
565 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
568 "uni-t-ut71e-ser", ut71x,
569 "UNI-T", "UT71E (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
570 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
571 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
574 "voltcraft-vc920-ser", ut71x,
575 "Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
576 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
577 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
580 "voltcraft-vc940-ser", ut71x,
581 "Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
582 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
583 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
586 "voltcraft-vc960-ser", ut71x,
587 "Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
588 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
589 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
592 /* vc870 based meters {{{ */
594 "voltcraft-vc870-ser", vc870,
595 "Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
596 9600, VC870_PACKET_SIZE, 0, 0, NULL,
597 sr_vc870_packet_valid, sr_vc870_parse, NULL
601 * The list is sorted. Add new items in the respective chip's group.