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 dev_clear(const struct sr_dev_driver *di)
46 return std_dev_clear(di, NULL);
49 static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
51 return std_init(sr_ctx, di, LOG_PREFIX);
54 static GSList *scan(struct sr_dev_driver *di, GSList *options)
57 struct sr_config *src;
59 const char *conn, *serialcomm;
60 struct sr_dev_inst *sdi;
61 struct drv_context *drvc;
62 struct dev_context *devc;
63 struct sr_serial_dev_inst *serial;
68 dmm = (struct dmm_info *)di;
70 conn = serialcomm = NULL;
71 for (l = options; l; l = l->next) {
75 conn = g_variant_get_string(src->data, NULL);
77 case SR_CONF_SERIALCOMM:
78 serialcomm = g_variant_get_string(src->data, NULL);
86 serialcomm = dmm->conn;
88 serial = sr_serial_dev_inst_new(conn, serialcomm);
90 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
93 sr_info("Probing serial port %s.", conn);
99 /* Request a packet if the DMM requires this. */
100 if (dmm->packet_request) {
101 if ((ret = dmm->packet_request(serial)) < 0) {
102 sr_err("Failed to request packet: %d.", ret);
108 * There's no way to get an ID from the multimeter. It just sends data
109 * periodically (or upon request), so the best we can do is check if
110 * the packets match the expected format.
113 /* Let's get a bit of data and see if we can find a packet. */
115 ret = serial_stream_detect(serial, buf, &len, dmm->packet_size,
116 dmm->packet_valid, 3000,
122 * If we dropped more than two packets worth of data, something is
123 * wrong. We shouldn't quit however, since the dropped bytes might be
124 * just zeroes at the beginning of the stream. Those can occur as a
125 * combination of the nonstandard cable that ships with some devices
126 * and the serial port or USB to serial adapter.
128 dropped = len - dmm->packet_size;
129 if (dropped > 2 * dmm->packet_size)
130 sr_warn("Had to drop too much data.");
132 sr_info("Found device on port %s.", conn);
134 sdi = g_malloc0(sizeof(struct sr_dev_inst));
135 sdi->status = SR_ST_INACTIVE;
136 sdi->vendor = g_strdup(dmm->vendor);
137 sdi->model = g_strdup(dmm->device);
138 devc = g_malloc0(sizeof(struct dev_context));
139 sdi->inst_type = SR_INST_SERIAL;
143 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
144 drvc->instances = g_slist_append(drvc->instances, sdi);
145 devices = g_slist_append(devices, sdi);
148 serial_close(serial);
153 static GSList *dev_list(const struct sr_dev_driver *di)
155 return ((struct drv_context *)(di->context))->instances;
158 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
159 const struct sr_channel_group *cg)
161 struct dev_context *devc;
165 if (sdi->status != SR_ST_ACTIVE)
166 return SR_ERR_DEV_CLOSED;
168 if (!(devc = sdi->priv)) {
169 sr_err("sdi->priv was NULL.");
174 case SR_CONF_LIMIT_SAMPLES:
175 devc->limit_samples = g_variant_get_uint64(data);
177 case SR_CONF_LIMIT_MSEC:
178 devc->limit_msec = g_variant_get_uint64(data);
187 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
188 const struct sr_channel_group *cg)
194 case SR_CONF_SCAN_OPTIONS:
195 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
196 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
198 case SR_CONF_DEVICE_OPTIONS:
199 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
200 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
209 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
211 struct dev_context *devc;
212 struct sr_serial_dev_inst *serial;
214 if (sdi->status != SR_ST_ACTIVE)
215 return SR_ERR_DEV_CLOSED;
220 * Reset the number of samples to take. If we've already collected our
221 * quota, but we start a new session, and don't reset this, we'll just
222 * quit without acquiring any new samples.
224 devc->num_samples = 0;
225 devc->starttime = g_get_monotonic_time();
227 std_session_send_df_header(sdi, LOG_PREFIX);
229 /* Poll every 50ms, or whenever some data comes in. */
231 serial_source_add(sdi->session, serial, G_IO_IN, 50,
232 receive_data, (void *)sdi);
237 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
239 return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
240 sdi->conn, LOG_PREFIX);
243 #define DMM(ID, CHIPSET, VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, \
244 DELAY, REQUEST, VALID, PARSE, DETAILS) \
245 &(struct dmm_info) { \
248 .longname = VENDOR " " MODEL, \
251 .cleanup = std_cleanup, \
253 .dev_list = dev_list, \
254 .dev_clear = dev_clear, \
255 .config_get = NULL, \
256 .config_set = config_set, \
257 .config_list = config_list, \
258 .dev_open = std_serial_dev_open, \
259 .dev_close = std_serial_dev_close, \
260 .dev_acquisition_start = dev_acquisition_start, \
261 .dev_acquisition_stop = dev_acquisition_stop, \
264 VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, DELAY, \
265 REQUEST, VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
268 SR_PRIV const struct dmm_info *serial_dmm_drivers[] = {
270 "bbcgm-2010", metex14,
271 "BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
272 BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
273 sr_m2110_packet_valid, sr_m2110_parse,
277 "digitek-dt4000zc", fs9721,
278 "Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
279 FS9721_PACKET_SIZE, 0, 0, NULL,
280 sr_fs9721_packet_valid, sr_fs9721_parse,
284 "tekpower-tp4000ZC", fs9721,
285 "TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
286 FS9721_PACKET_SIZE, 0, 0, NULL,
287 sr_fs9721_packet_valid, sr_fs9721_parse,
291 "metex-me31", metex14,
292 "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
293 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
294 sr_metex14_packet_valid, sr_metex14_parse,
298 "peaktech-3410", metex14,
299 "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
300 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
301 sr_metex14_packet_valid, sr_metex14_parse,
305 "mastech-mas345", metex14,
306 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
307 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
308 sr_metex14_packet_valid, sr_metex14_parse,
312 "mastech-ms8250b", fs9721,
313 "MASTECH", "MS8250B", "2400/8n1/rts=0/dtr=1",
314 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
315 sr_fs9721_packet_valid, sr_fs9721_parse,
320 "V&A", "VA18B", "2400/8n1", 2400,
321 FS9721_PACKET_SIZE, 0, 0, NULL,
322 sr_fs9721_packet_valid, sr_fs9721_parse,
327 "V&A", "VA40B", "2400/8n1", 2400,
328 FS9721_PACKET_SIZE, 0, 0, NULL,
329 sr_fs9721_packet_valid, sr_fs9721_parse,
333 "metex-m3640d", metex14,
334 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
335 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
336 sr_metex14_packet_valid, sr_metex14_parse,
340 "metex-m4650cr", metex14,
341 "Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
342 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
343 sr_metex14_packet_valid, sr_metex14_parse,
347 "peaktech-4370", metex14,
348 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
349 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
350 sr_metex14_packet_valid, sr_metex14_parse,
354 "pce-pce-dm32", fs9721,
355 "PCE", "PCE-DM32", "2400/8n1", 2400,
356 FS9721_PACKET_SIZE, 0, 0, NULL,
357 sr_fs9721_packet_valid, sr_fs9721_parse,
358 sr_fs9721_01_10_temp_f_c
361 "radioshack-22-168", metex14,
362 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
363 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
364 sr_metex14_packet_valid, sr_metex14_parse,
368 "radioshack-22-805", metex14,
369 "RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
370 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
371 sr_metex14_packet_valid, sr_metex14_parse,
375 "radioshack-22-812", rs9lcd,
376 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
377 RS9LCD_PACKET_SIZE, 0, 0, NULL,
378 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
382 "tecpel-dmm-8061-ser", fs9721,
383 "Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
384 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
385 sr_fs9721_packet_valid, sr_fs9721_parse,
389 "voltcraft-m3650cr", metex14,
390 "Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1", 1200,
391 METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
392 sr_metex14_packet_valid, sr_metex14_parse,
396 "voltcraft-m3650d", metex14,
397 "Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1", 1200,
398 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
399 sr_metex14_packet_valid, sr_metex14_parse,
403 "voltcraft-m4650cr", metex14,
404 "Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
405 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
406 sr_metex14_packet_valid, sr_metex14_parse,
410 "voltcraft-me42", metex14,
411 "Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1", 600,
412 METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
413 sr_metex14_packet_valid, sr_metex14_parse,
417 "voltcraft-vc820-ser", fs9721,
418 "Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
419 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
420 sr_fs9721_packet_valid, sr_fs9721_parse,
425 * Note: The VC830 doesn't set the 'volt' and 'diode' bits of
426 * the FS9922 protocol. Instead, it only sets the user-defined
427 * bit "z1" to indicate "diode mode" and "voltage".
429 "voltcraft-vc830-ser", fs9922,
430 "Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
431 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
432 sr_fs9922_packet_valid, sr_fs9922_parse,
436 "voltcraft-vc840-ser", fs9721,
437 "Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
438 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
439 sr_fs9721_packet_valid, sr_fs9721_parse,
443 "voltcraft-vc870-ser", vc870,
444 "Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
445 9600, VC870_PACKET_SIZE, 0, 0, NULL,
446 sr_vc870_packet_valid, sr_vc870_parse, NULL
449 "voltcraft-vc920-ser", ut71x,
450 "Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
451 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
452 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
455 "voltcraft-vc940-ser", ut71x,
456 "Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
457 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
458 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
461 "voltcraft-vc960-ser", ut71x,
462 "Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
463 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
464 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
467 "uni-t-ut60a-ser", fs9721,
468 "UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
469 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
470 sr_fs9721_packet_valid, sr_fs9721_parse,
474 "uni-t-ut60e-ser", fs9721,
475 "UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
476 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
477 sr_fs9721_packet_valid, sr_fs9721_parse,
481 /* Note: ES51986 baudrate is actually 19230! */
482 "uni-t-ut60g-ser", es519xx,
483 "UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
484 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
485 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
489 "uni-t-ut61b-ser", fs9922,
490 "UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
491 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
492 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
495 "uni-t-ut61c-ser", fs9922,
496 "UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
497 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
498 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
501 "uni-t-ut61d-ser", fs9922,
502 "UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
503 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
504 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
507 "uni-t-ut61e-ser", es519xx,
508 /* Note: ES51922 baudrate is actually 19230! */
509 "UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
510 19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
511 sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
515 "uni-t-ut71a-ser", ut71x,
516 "UNI-T", "UT71A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
517 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
518 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
521 "uni-t-ut71b-ser", ut71x,
522 "UNI-T", "UT71B (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
523 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
524 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
527 "uni-t-ut71c-ser", ut71x,
528 "UNI-T", "UT71C (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
529 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
530 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
533 "uni-t-ut71d-ser", ut71x,
534 "UNI-T", "UT71D (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
535 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
536 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
539 "uni-t-ut71e-ser", ut71x,
540 "UNI-T", "UT71E (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
541 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
542 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
545 "iso-tech-idm103n", es519xx,
546 "ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
547 2400, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
548 sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
552 "tenma-72-7730-ser", ut71x,
553 "Tenma", "72-7730 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
554 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
555 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
558 "tenma-72-7732-ser", ut71x,
559 "Tenma", "72-7732 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
560 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
561 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
564 "tenma-72-9380a-ser", ut71x,
565 "Tenma", "72-9380A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
566 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
567 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
570 "tenma-72-7745-ser", fs9721,
571 "Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
572 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
573 sr_fs9721_packet_valid, sr_fs9721_parse,
577 "tenma-72-7750-ser", es519xx,
578 /* Note: ES51986 baudrate is actually 19230! */
579 "Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
580 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
581 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
585 "brymen-bm25x", bm25x,
586 "Brymen", "BM25x", "9600/8n1/rts=1/dtr=1",
587 9600, BRYMEN_BM25X_PACKET_SIZE, 0, 0, NULL,
588 sr_brymen_bm25x_packet_valid, sr_brymen_bm25x_parse,
592 "velleman-dvm4100", dtm0660,
593 "Velleman", "DVM4100", "2400/8n1/rts=0/dtr=1",
594 2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
595 sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL
598 "peaktech-3415", dtm0660,
599 "Peaktech", "3415", "2400/8n1/rts=0/dtr=1",
600 2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
601 sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL