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)
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->priv))->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);
181 sr_dbg("Setting sample limit to %" PRIu64 ".",
182 devc->limit_samples);
184 case SR_CONF_LIMIT_MSEC:
185 devc->limit_msec = g_variant_get_uint64(data);
186 sr_dbg("Setting time limit to %" PRIu64 "ms.",
196 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
197 const struct sr_channel_group *cg)
203 case SR_CONF_SCAN_OPTIONS:
204 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
205 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
207 case SR_CONF_DEVICE_OPTIONS:
208 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
209 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
218 static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
220 struct dev_context *devc;
221 struct sr_serial_dev_inst *serial;
223 if (sdi->status != SR_ST_ACTIVE)
224 return SR_ERR_DEV_CLOSED;
226 if (!(devc = sdi->priv)) {
227 sr_err("sdi->priv was NULL.");
231 devc->cb_data = cb_data;
234 * Reset the number of samples to take. If we've already collected our
235 * quota, but we start a new session, and don't reset this, we'll just
236 * quit without acquiring any new samples.
238 devc->num_samples = 0;
239 devc->starttime = g_get_monotonic_time();
241 /* Send header packet to the session bus. */
242 std_session_send_df_header(cb_data, LOG_PREFIX);
244 /* Poll every 50ms, or whenever some data comes in. */
246 serial_source_add(sdi->session, serial, G_IO_IN, 50,
247 receive_data, (void *)sdi);
252 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
254 return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
255 sdi->conn, LOG_PREFIX);
258 #define DMM(ID, CHIPSET, VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, \
259 DELAY, REQUEST, VALID, PARSE, DETAILS) \
260 &(struct dmm_info) { \
263 .longname = VENDOR " " MODEL, \
266 .cleanup = cleanup, \
268 .dev_list = dev_list, \
269 .dev_clear = dev_clear, \
270 .config_get = NULL, \
271 .config_set = config_set, \
272 .config_list = config_list, \
273 .dev_open = std_serial_dev_open, \
274 .dev_close = std_serial_dev_close, \
275 .dev_acquisition_start = dev_acquisition_start, \
276 .dev_acquisition_stop = dev_acquisition_stop, \
279 VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, DELAY, \
280 REQUEST, VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
283 SR_PRIV struct dmm_info *serial_dmm_drivers[] = {
285 "bbcgm-2010", metex14,
286 "BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
287 BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
288 sr_m2110_packet_valid, sr_m2110_parse,
292 "digitek-dt4000zc", fs9721,
293 "Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
294 FS9721_PACKET_SIZE, 0, 0, NULL,
295 sr_fs9721_packet_valid, sr_fs9721_parse,
299 "tekpower-tp4000ZC", fs9721,
300 "TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
301 FS9721_PACKET_SIZE, 0, 0, NULL,
302 sr_fs9721_packet_valid, sr_fs9721_parse,
306 "metex-me31", metex14,
307 "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
308 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
309 sr_metex14_packet_valid, sr_metex14_parse,
313 "peaktech-3410", metex14,
314 "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
315 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
316 sr_metex14_packet_valid, sr_metex14_parse,
320 "mastech-mas345", metex14,
321 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
322 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
323 sr_metex14_packet_valid, sr_metex14_parse,
327 "mastech-ms8250b", fs9721,
328 "MASTECH", "MS8250B", "2400/8n1/rts=0/dtr=1",
329 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
330 sr_fs9721_packet_valid, sr_fs9721_parse,
335 "V&A", "VA18B", "2400/8n1", 2400,
336 FS9721_PACKET_SIZE, 0, 0, NULL,
337 sr_fs9721_packet_valid, sr_fs9721_parse,
342 "V&A", "VA40B", "2400/8n1", 2400,
343 FS9721_PACKET_SIZE, 0, 0, NULL,
344 sr_fs9721_packet_valid, sr_fs9721_parse,
348 "metex-m3640d", metex14,
349 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
350 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
351 sr_metex14_packet_valid, sr_metex14_parse,
355 "metex-m4650cr", metex14,
356 "Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
357 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
358 sr_metex14_packet_valid, sr_metex14_parse,
362 "peaktech-4370", metex14,
363 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
364 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
365 sr_metex14_packet_valid, sr_metex14_parse,
369 "pce-pce-dm32", fs9721,
370 "PCE", "PCE-DM32", "2400/8n1", 2400,
371 FS9721_PACKET_SIZE, 0, 0, NULL,
372 sr_fs9721_packet_valid, sr_fs9721_parse,
373 sr_fs9721_01_10_temp_f_c
376 "radioshack-22-168", metex14,
377 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
378 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
379 sr_metex14_packet_valid, sr_metex14_parse,
383 "radioshack-22-805", metex14,
384 "RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
385 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
386 sr_metex14_packet_valid, sr_metex14_parse,
390 "radioshack-22-812", rs9lcd,
391 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
392 RS9LCD_PACKET_SIZE, 0, 0, NULL,
393 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
397 "tecpel-dmm-8061-ser", fs9721,
398 "Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
399 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
400 sr_fs9721_packet_valid, sr_fs9721_parse,
404 "voltcraft-m3650cr", metex14,
405 "Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1", 1200,
406 METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
407 sr_metex14_packet_valid, sr_metex14_parse,
411 "voltcraft-m3650d", metex14,
412 "Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1", 1200,
413 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
414 sr_metex14_packet_valid, sr_metex14_parse,
418 "voltcraft-m4650cr", metex14,
419 "Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
420 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
421 sr_metex14_packet_valid, sr_metex14_parse,
425 "voltcraft-me42", metex14,
426 "Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1", 600,
427 METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
428 sr_metex14_packet_valid, sr_metex14_parse,
432 "voltcraft-vc820-ser", fs9721,
433 "Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
434 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
435 sr_fs9721_packet_valid, sr_fs9721_parse,
440 * Note: The VC830 doesn't set the 'volt' and 'diode' bits of
441 * the FS9922 protocol. Instead, it only sets the user-defined
442 * bit "z1" to indicate "diode mode" and "voltage".
444 "voltcraft-vc830-ser", fs9922,
445 "Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
446 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
447 sr_fs9922_packet_valid, sr_fs9922_parse,
451 "voltcraft-vc840-ser", fs9721,
452 "Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
453 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
454 sr_fs9721_packet_valid, sr_fs9721_parse,
458 "voltcraft-vc870-ser", vc870,
459 "Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
460 9600, VC870_PACKET_SIZE, 0, 0, NULL,
461 sr_vc870_packet_valid, sr_vc870_parse, NULL
464 "voltcraft-vc920-ser", ut71x,
465 "Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
466 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
467 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
470 "voltcraft-vc940-ser", ut71x,
471 "Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
472 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
473 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
476 "voltcraft-vc960-ser", ut71x,
477 "Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
478 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
479 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
482 "uni-t-ut60a-ser", fs9721,
483 "UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
484 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
485 sr_fs9721_packet_valid, sr_fs9721_parse,
489 "uni-t-ut60e-ser", fs9721,
490 "UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
491 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
492 sr_fs9721_packet_valid, sr_fs9721_parse,
496 /* Note: ES51986 baudrate is actually 19230! */
497 "uni-t-ut60g-ser", es519xx,
498 "UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
499 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
500 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
504 "uni-t-ut61b-ser", fs9922,
505 "UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
506 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
507 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
510 "uni-t-ut61c-ser", fs9922,
511 "UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
512 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
513 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
516 "uni-t-ut61d-ser", fs9922,
517 "UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
518 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
519 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
522 "uni-t-ut61e-ser", es519xx,
523 /* Note: ES51922 baudrate is actually 19230! */
524 "UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
525 19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
526 sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
530 "uni-t-ut71a-ser", ut71x,
531 "UNI-T", "UT71A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
532 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
533 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
536 "uni-t-ut71b-ser", ut71x,
537 "UNI-T", "UT71B (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
538 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
539 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
542 "uni-t-ut71c-ser", ut71x,
543 "UNI-T", "UT71C (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
544 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
545 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
548 "uni-t-ut71d-ser", ut71x,
549 "UNI-T", "UT71D (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
550 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
551 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
554 "uni-t-ut71e-ser", ut71x,
555 "UNI-T", "UT71E (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
556 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
557 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
560 "iso-tech-idm103n", es519xx,
561 "ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
562 2400, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
563 sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
567 "tenma-72-7745-ser", fs9721,
568 "Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
569 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
570 sr_fs9721_packet_valid, sr_fs9721_parse,
574 "tenma-72-7750-ser", es519xx,
575 /* Note: ES51986 baudrate is actually 19230! */
576 "Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
577 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
578 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
582 "brymen-bm25x", bm25x,
583 "Brymen", "BM25x", "9600/8n1/rts=1/dtr=1",
584 9600, BRYMEN_BM25X_PACKET_SIZE, 0, 0, NULL,
585 sr_brymen_bm25x_packet_valid, sr_brymen_bm25x_parse,