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/>.
22 #include <sys/types.h>
28 #include "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)
56 struct dmm_info *dmm = (struct dmm_info *) di;
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 conn = serialcomm = NULL;
69 for (l = options; l; l = l->next) {
73 conn = g_variant_get_string(src->data, NULL);
75 case SR_CONF_SERIALCOMM:
76 serialcomm = g_variant_get_string(src->data, NULL);
84 serialcomm = dmm->conn;
86 serial = sr_serial_dev_inst_new(conn, serialcomm);
88 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
91 sr_info("Probing serial port %s.", conn);
97 /* Request a packet if the DMM requires this. */
98 if (dmm->packet_request) {
99 if ((ret = dmm->packet_request(serial)) < 0) {
100 sr_err("Failed to request packet: %d.", ret);
106 * There's no way to get an ID from the multimeter. It just sends data
107 * periodically (or upon request), so the best we can do is check if
108 * the packets match the expected format.
111 /* Let's get a bit of data and see if we can find a packet. */
113 ret = serial_stream_detect(serial, buf, &len, dmm->packet_size,
114 dmm->packet_valid, 3000,
120 * If we dropped more than two packets worth of data, something is
121 * wrong. We shouldn't quit however, since the dropped bytes might be
122 * just zeroes at the beginning of the stream. Those can occur as a
123 * combination of the nonstandard cable that ships with some devices
124 * and the serial port or USB to serial adapter.
126 dropped = len - dmm->packet_size;
127 if (dropped > 2 * dmm->packet_size)
128 sr_warn("Had to drop too much data.");
130 sr_info("Found device on port %s.", conn);
132 sdi = g_malloc0(sizeof(struct sr_dev_inst));
133 sdi->status = SR_ST_INACTIVE;
134 sdi->vendor = g_strdup(dmm->vendor);
135 sdi->model = g_strdup(dmm->device);
136 devc = g_malloc0(sizeof(struct dev_context));
137 sdi->inst_type = SR_INST_SERIAL;
141 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
142 drvc->instances = g_slist_append(drvc->instances, sdi);
143 devices = g_slist_append(devices, sdi);
146 serial_close(serial);
151 static GSList *dev_list(const struct sr_dev_driver *di)
153 return ((struct drv_context *)(di->priv))->instances;
156 static int cleanup(const struct sr_dev_driver *di)
158 return dev_clear(di);
161 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
162 const struct sr_channel_group *cg)
164 struct dev_context *devc;
168 if (sdi->status != SR_ST_ACTIVE)
169 return SR_ERR_DEV_CLOSED;
171 if (!(devc = sdi->priv)) {
172 sr_err("sdi->priv was NULL.");
177 case SR_CONF_LIMIT_SAMPLES:
178 devc->limit_samples = g_variant_get_uint64(data);
179 sr_dbg("Setting sample limit to %" PRIu64 ".",
180 devc->limit_samples);
182 case SR_CONF_LIMIT_MSEC:
183 devc->limit_msec = g_variant_get_uint64(data);
184 sr_dbg("Setting time limit to %" PRIu64 "ms.",
194 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
195 const struct sr_channel_group *cg)
201 case SR_CONF_SCAN_OPTIONS:
202 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
203 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
205 case SR_CONF_DEVICE_OPTIONS:
206 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
207 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
216 static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
218 struct dev_context *devc;
219 struct sr_serial_dev_inst *serial;
221 if (sdi->status != SR_ST_ACTIVE)
222 return SR_ERR_DEV_CLOSED;
224 if (!(devc = sdi->priv)) {
225 sr_err("sdi->priv was NULL.");
229 devc->cb_data = cb_data;
232 * Reset the number of samples to take. If we've already collected our
233 * quota, but we start a new session, and don't reset this, we'll just
234 * quit without acquiring any new samples.
236 devc->num_samples = 0;
237 devc->starttime = g_get_monotonic_time();
239 /* Send header packet to the session bus. */
240 std_session_send_df_header(cb_data, LOG_PREFIX);
242 /* Poll every 50ms, or whenever some data comes in. */
244 serial_source_add(sdi->session, serial, G_IO_IN, 50,
245 receive_data, (void *)sdi);
250 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
252 return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
253 sdi->conn, LOG_PREFIX);
256 #define DMM(ID, CHIPSET, VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, \
257 DELAY, REQUEST, VALID, PARSE, DETAILS) \
258 &(struct dmm_info) { \
261 .longname = VENDOR " " MODEL, \
264 .cleanup = cleanup, \
266 .dev_list = dev_list, \
267 .dev_clear = dev_clear, \
268 .config_get = NULL, \
269 .config_set = config_set, \
270 .config_list = config_list, \
271 .dev_open = std_serial_dev_open, \
272 .dev_close = std_serial_dev_close, \
273 .dev_acquisition_start = dev_acquisition_start, \
274 .dev_acquisition_stop = dev_acquisition_stop, \
277 VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, DELAY, \
278 REQUEST, VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
281 SR_PRIV struct dmm_info *serial_dmm_drivers[] = {
283 "bbcgm-2010", metex14,
284 "BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
285 BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
286 sr_m2110_packet_valid, sr_m2110_parse,
290 "digitek-dt4000zc", fs9721,
291 "Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
292 FS9721_PACKET_SIZE, 0, 0, NULL,
293 sr_fs9721_packet_valid, sr_fs9721_parse,
297 "tekpower-tp4000ZC", fs9721,
298 "TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
299 FS9721_PACKET_SIZE, 0, 0, NULL,
300 sr_fs9721_packet_valid, sr_fs9721_parse,
304 "metex-me31", metex14,
305 "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
306 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
307 sr_metex14_packet_valid, sr_metex14_parse,
311 "peaktech-3410", metex14,
312 "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
313 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
314 sr_metex14_packet_valid, sr_metex14_parse,
318 "mastech-mas345", metex14,
319 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
320 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
321 sr_metex14_packet_valid, sr_metex14_parse,
325 "mastech-ms8250b", fs9721,
326 "MASTECH", "MS8250B", "2400/8n1/rts=0/dtr=1",
327 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
328 sr_fs9721_packet_valid, sr_fs9721_parse,
333 "V&A", "VA18B", "2400/8n1", 2400,
334 FS9721_PACKET_SIZE, 0, 0, NULL,
335 sr_fs9721_packet_valid, sr_fs9721_parse,
340 "V&A", "VA40B", "2400/8n1", 2400,
341 FS9721_PACKET_SIZE, 0, 0, NULL,
342 sr_fs9721_packet_valid, sr_fs9721_parse,
346 "metex-m3640d", metex14,
347 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
348 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
349 sr_metex14_packet_valid, sr_metex14_parse,
353 "metex-m4650cr", metex14,
354 "Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
355 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
356 sr_metex14_packet_valid, sr_metex14_parse,
360 "peaktech-4370", metex14,
361 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
362 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
363 sr_metex14_packet_valid, sr_metex14_parse,
367 "pce-pce-dm32", fs9721,
368 "PCE", "PCE-DM32", "2400/8n1", 2400,
369 FS9721_PACKET_SIZE, 0, 0, NULL,
370 sr_fs9721_packet_valid, sr_fs9721_parse,
371 sr_fs9721_01_10_temp_f_c
374 "radioshack-22-168", metex14,
375 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
376 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
377 sr_metex14_packet_valid, sr_metex14_parse,
381 "radioshack-22-805", metex14,
382 "RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
383 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
384 sr_metex14_packet_valid, sr_metex14_parse,
388 "radioshack-22-812", rs9lcd,
389 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
390 RS9LCD_PACKET_SIZE, 0, 0, NULL,
391 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
395 "tecpel-dmm-8061-ser", fs9721,
396 "Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
397 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
398 sr_fs9721_packet_valid, sr_fs9721_parse,
402 "voltcraft-m3650cr", metex14,
403 "Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1", 1200,
404 METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
405 sr_metex14_packet_valid, sr_metex14_parse,
409 "voltcraft-m3650d", metex14,
410 "Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1", 1200,
411 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
412 sr_metex14_packet_valid, sr_metex14_parse,
416 "voltcraft-m4650cr", metex14,
417 "Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
418 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
419 sr_metex14_packet_valid, sr_metex14_parse,
423 "voltcraft-me42", metex14,
424 "Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1", 600,
425 METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
426 sr_metex14_packet_valid, sr_metex14_parse,
430 "voltcraft-vc820-ser", fs9721,
431 "Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
432 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
433 sr_fs9721_packet_valid, sr_fs9721_parse,
438 * Note: The VC830 doesn't set the 'volt' and 'diode' bits of
439 * the FS9922 protocol. Instead, it only sets the user-defined
440 * bit "z1" to indicate "diode mode" and "voltage".
442 "voltcraft-vc830-ser", fs9922,
443 "Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
444 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
445 sr_fs9922_packet_valid, sr_fs9922_parse,
449 "voltcraft-vc840-ser", fs9721,
450 "Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
451 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
452 sr_fs9721_packet_valid, sr_fs9721_parse,
456 "voltcraft-vc870-ser", vc870,
457 "Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
458 9600, VC870_PACKET_SIZE, 0, 0, NULL,
459 sr_vc870_packet_valid, sr_vc870_parse, NULL
462 "voltcraft-vc920-ser", ut71x,
463 "Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
464 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
465 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
468 "voltcraft-vc940-ser", ut71x,
469 "Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
470 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
471 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
474 "voltcraft-vc960-ser", ut71x,
475 "Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
476 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
477 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
480 "uni-t-ut60a-ser", fs9721,
481 "UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
482 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
483 sr_fs9721_packet_valid, sr_fs9721_parse,
487 "uni-t-ut60e-ser", fs9721,
488 "UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
489 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
490 sr_fs9721_packet_valid, sr_fs9721_parse,
494 /* Note: ES51986 baudrate is actually 19230! */
495 "uni-t-ut60g-ser", es519xx,
496 "UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
497 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
498 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
502 "uni-t-ut61b-ser", fs9922,
503 "UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
504 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
505 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
508 "uni-t-ut61c-ser", fs9922,
509 "UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
510 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
511 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
514 "uni-t-ut61d-ser", fs9922,
515 "UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
516 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
517 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
520 "uni-t-ut61e-ser", es519xx,
521 /* Note: ES51922 baudrate is actually 19230! */
522 "UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
523 19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
524 sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
528 "uni-t-ut71a-ser", ut71x,
529 "UNI-T", "UT71A (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 "uni-t-ut71b-ser", ut71x,
535 "UNI-T", "UT71B (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
536 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
537 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
540 "uni-t-ut71c-ser", ut71x,
541 "UNI-T", "UT71C (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
542 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
543 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
546 "uni-t-ut71d-ser", ut71x,
547 "UNI-T", "UT71D (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
548 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
549 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
552 "uni-t-ut71e-ser", ut71x,
553 "UNI-T", "UT71E (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 "iso-tech-idm103n", es519xx,
559 "ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
560 2400, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
561 sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
565 "tenma-72-7745-ser", fs9721,
566 "Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
567 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
568 sr_fs9721_packet_valid, sr_fs9721_parse,
572 "tenma-72-7750-ser", es519xx,
573 /* Note: ES51986 baudrate is actually 19230! */
574 "Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
575 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
576 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
580 "brymen-bm25x", bm25x,
581 "Brymen", "BM25x", "9600/8n1/rts=1/dtr=1",
582 9600, BRYMEN_BM25X_PACKET_SIZE, 0, 0, NULL,
583 sr_brymen_bm25x_packet_valid, sr_brymen_bm25x_parse,