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 cleanup(const struct sr_dev_driver *di)
160 return dev_clear(di);
163 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
164 const struct sr_channel_group *cg)
166 struct dev_context *devc;
170 if (sdi->status != SR_ST_ACTIVE)
171 return SR_ERR_DEV_CLOSED;
173 if (!(devc = sdi->priv)) {
174 sr_err("sdi->priv was NULL.");
179 case SR_CONF_LIMIT_SAMPLES:
180 devc->limit_samples = g_variant_get_uint64(data);
182 case SR_CONF_LIMIT_MSEC:
183 devc->limit_msec = g_variant_get_uint64(data);
192 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
193 const struct sr_channel_group *cg)
199 case SR_CONF_SCAN_OPTIONS:
200 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
201 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
203 case SR_CONF_DEVICE_OPTIONS:
204 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
205 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
214 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
216 struct dev_context *devc;
217 struct sr_serial_dev_inst *serial;
219 if (sdi->status != SR_ST_ACTIVE)
220 return SR_ERR_DEV_CLOSED;
225 * Reset the number of samples to take. If we've already collected our
226 * quota, but we start a new session, and don't reset this, we'll just
227 * quit without acquiring any new samples.
229 devc->num_samples = 0;
230 devc->starttime = g_get_monotonic_time();
232 std_session_send_df_header(sdi, LOG_PREFIX);
234 /* Poll every 50ms, or whenever some data comes in. */
236 serial_source_add(sdi->session, serial, G_IO_IN, 50,
237 receive_data, (void *)sdi);
242 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
244 return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
245 sdi->conn, LOG_PREFIX);
248 #define DMM(ID, CHIPSET, VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, \
249 DELAY, REQUEST, VALID, PARSE, DETAILS) \
250 &(struct dmm_info) { \
253 .longname = VENDOR " " MODEL, \
256 .cleanup = cleanup, \
258 .dev_list = dev_list, \
259 .dev_clear = dev_clear, \
260 .config_get = NULL, \
261 .config_set = config_set, \
262 .config_list = config_list, \
263 .dev_open = std_serial_dev_open, \
264 .dev_close = std_serial_dev_close, \
265 .dev_acquisition_start = dev_acquisition_start, \
266 .dev_acquisition_stop = dev_acquisition_stop, \
269 VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, DELAY, \
270 REQUEST, VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
273 SR_PRIV const struct dmm_info *serial_dmm_drivers[] = {
275 "bbcgm-2010", metex14,
276 "BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
277 BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
278 sr_m2110_packet_valid, sr_m2110_parse,
282 "digitek-dt4000zc", fs9721,
283 "Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
284 FS9721_PACKET_SIZE, 0, 0, NULL,
285 sr_fs9721_packet_valid, sr_fs9721_parse,
289 "tekpower-tp4000ZC", fs9721,
290 "TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
291 FS9721_PACKET_SIZE, 0, 0, NULL,
292 sr_fs9721_packet_valid, sr_fs9721_parse,
296 "metex-me31", metex14,
297 "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
298 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
299 sr_metex14_packet_valid, sr_metex14_parse,
303 "peaktech-3410", metex14,
304 "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
305 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
306 sr_metex14_packet_valid, sr_metex14_parse,
310 "mastech-mas345", metex14,
311 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
312 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
313 sr_metex14_packet_valid, sr_metex14_parse,
317 "mastech-ms8250b", fs9721,
318 "MASTECH", "MS8250B", "2400/8n1/rts=0/dtr=1",
319 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
320 sr_fs9721_packet_valid, sr_fs9721_parse,
325 "V&A", "VA18B", "2400/8n1", 2400,
326 FS9721_PACKET_SIZE, 0, 0, NULL,
327 sr_fs9721_packet_valid, sr_fs9721_parse,
332 "V&A", "VA40B", "2400/8n1", 2400,
333 FS9721_PACKET_SIZE, 0, 0, NULL,
334 sr_fs9721_packet_valid, sr_fs9721_parse,
338 "metex-m3640d", metex14,
339 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
340 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
341 sr_metex14_packet_valid, sr_metex14_parse,
345 "metex-m4650cr", metex14,
346 "Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
347 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
348 sr_metex14_packet_valid, sr_metex14_parse,
352 "peaktech-4370", metex14,
353 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
354 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
355 sr_metex14_packet_valid, sr_metex14_parse,
359 "pce-pce-dm32", fs9721,
360 "PCE", "PCE-DM32", "2400/8n1", 2400,
361 FS9721_PACKET_SIZE, 0, 0, NULL,
362 sr_fs9721_packet_valid, sr_fs9721_parse,
363 sr_fs9721_01_10_temp_f_c
366 "radioshack-22-168", metex14,
367 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
368 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
369 sr_metex14_packet_valid, sr_metex14_parse,
373 "radioshack-22-805", metex14,
374 "RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
375 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
376 sr_metex14_packet_valid, sr_metex14_parse,
380 "radioshack-22-812", rs9lcd,
381 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
382 RS9LCD_PACKET_SIZE, 0, 0, NULL,
383 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
387 "tecpel-dmm-8061-ser", fs9721,
388 "Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
389 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
390 sr_fs9721_packet_valid, sr_fs9721_parse,
394 "voltcraft-m3650cr", metex14,
395 "Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1", 1200,
396 METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
397 sr_metex14_packet_valid, sr_metex14_parse,
401 "voltcraft-m3650d", metex14,
402 "Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1", 1200,
403 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
404 sr_metex14_packet_valid, sr_metex14_parse,
408 "voltcraft-m4650cr", metex14,
409 "Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
410 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
411 sr_metex14_packet_valid, sr_metex14_parse,
415 "voltcraft-me42", metex14,
416 "Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1", 600,
417 METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
418 sr_metex14_packet_valid, sr_metex14_parse,
422 "voltcraft-vc820-ser", fs9721,
423 "Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
424 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
425 sr_fs9721_packet_valid, sr_fs9721_parse,
430 * Note: The VC830 doesn't set the 'volt' and 'diode' bits of
431 * the FS9922 protocol. Instead, it only sets the user-defined
432 * bit "z1" to indicate "diode mode" and "voltage".
434 "voltcraft-vc830-ser", fs9922,
435 "Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
436 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
437 sr_fs9922_packet_valid, sr_fs9922_parse,
441 "voltcraft-vc840-ser", fs9721,
442 "Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
443 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
444 sr_fs9721_packet_valid, sr_fs9721_parse,
448 "voltcraft-vc870-ser", vc870,
449 "Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
450 9600, VC870_PACKET_SIZE, 0, 0, NULL,
451 sr_vc870_packet_valid, sr_vc870_parse, NULL
454 "voltcraft-vc920-ser", ut71x,
455 "Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
456 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
457 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
460 "voltcraft-vc940-ser", ut71x,
461 "Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
462 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
463 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
466 "voltcraft-vc960-ser", ut71x,
467 "Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
468 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
469 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
472 "uni-t-ut60a-ser", fs9721,
473 "UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
474 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
475 sr_fs9721_packet_valid, sr_fs9721_parse,
479 "uni-t-ut60e-ser", fs9721,
480 "UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
481 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
482 sr_fs9721_packet_valid, sr_fs9721_parse,
486 /* Note: ES51986 baudrate is actually 19230! */
487 "uni-t-ut60g-ser", es519xx,
488 "UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
489 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
490 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
494 "uni-t-ut61b-ser", fs9922,
495 "UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
496 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
497 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
500 "uni-t-ut61c-ser", fs9922,
501 "UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
502 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
503 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
506 "uni-t-ut61d-ser", fs9922,
507 "UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
508 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
509 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
512 "uni-t-ut61e-ser", es519xx,
513 /* Note: ES51922 baudrate is actually 19230! */
514 "UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
515 19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
516 sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
520 "uni-t-ut71a-ser", ut71x,
521 "UNI-T", "UT71A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
522 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
523 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
526 "uni-t-ut71b-ser", ut71x,
527 "UNI-T", "UT71B (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 "uni-t-ut71c-ser", ut71x,
533 "UNI-T", "UT71C (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 "uni-t-ut71d-ser", ut71x,
539 "UNI-T", "UT71D (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-ut71e-ser", ut71x,
545 "UNI-T", "UT71E (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 "iso-tech-idm103n", es519xx,
551 "ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
552 2400, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
553 sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
557 "tenma-72-7730-ser", ut71x,
558 "Tenma", "72-7730 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
559 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
560 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
563 "tenma-72-7732-ser", ut71x,
564 "Tenma", "72-7732 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
565 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
566 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
569 "tenma-72-9380a-ser", ut71x,
570 "Tenma", "72-9380A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
571 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
572 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
575 "tenma-72-7745-ser", fs9721,
576 "Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
577 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
578 sr_fs9721_packet_valid, sr_fs9721_parse,
582 "tenma-72-7750-ser", es519xx,
583 /* Note: ES51986 baudrate is actually 19230! */
584 "Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
585 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
586 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
590 "brymen-bm25x", bm25x,
591 "Brymen", "BM25x", "9600/8n1/rts=1/dtr=1",
592 9600, BRYMEN_BM25X_PACKET_SIZE, 0, 0, NULL,
593 sr_brymen_bm25x_packet_valid, sr_brymen_bm25x_parse,
597 "velleman-dvm4100", dtm0660,
598 "Velleman", "DVM4100", "2400/8n1/rts=0/dtr=1",
599 2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
600 sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL
603 "peaktech-3415", dtm0660,
604 "Peaktech", "3415", "2400/8n1/rts=0/dtr=1",
605 2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
606 sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL