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 drv_context *drvc;
52 struct dev_context *devc;
53 struct sr_serial_dev_inst *serial;
58 dmm = (struct dmm_info *)di;
60 conn = serialcomm = NULL;
61 for (l = options; l; l = l->next) {
65 conn = g_variant_get_string(src->data, NULL);
67 case SR_CONF_SERIALCOMM:
68 serialcomm = g_variant_get_string(src->data, NULL);
76 serialcomm = dmm->conn;
78 serial = sr_serial_dev_inst_new(conn, serialcomm);
80 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
83 sr_info("Probing serial port %s.", conn);
89 /* Request a packet if the DMM requires this. */
90 if (dmm->packet_request) {
91 if ((ret = dmm->packet_request(serial)) < 0) {
92 sr_err("Failed to request packet: %d.", ret);
98 * There's no way to get an ID from the multimeter. It just sends data
99 * periodically (or upon request), so the best we can do is check if
100 * the packets match the expected format.
103 /* Let's get a bit of data and see if we can find a packet. */
105 ret = serial_stream_detect(serial, buf, &len, dmm->packet_size,
106 dmm->packet_valid, 3000,
112 * If we dropped more than two packets worth of data, something is
113 * wrong. We shouldn't quit however, since the dropped bytes might be
114 * just zeroes at the beginning of the stream. Those can occur as a
115 * combination of the nonstandard cable that ships with some devices
116 * and the serial port or USB to serial adapter.
118 dropped = len - dmm->packet_size;
119 if (dropped > 2 * dmm->packet_size)
120 sr_warn("Had to drop too much data.");
122 sr_info("Found device on port %s.", conn);
124 sdi = g_malloc0(sizeof(struct sr_dev_inst));
125 sdi->status = SR_ST_INACTIVE;
126 sdi->vendor = g_strdup(dmm->vendor);
127 sdi->model = g_strdup(dmm->device);
128 devc = g_malloc0(sizeof(struct dev_context));
129 sr_sw_limits_init(&devc->limits);
130 sdi->inst_type = SR_INST_SERIAL;
134 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
135 drvc->instances = g_slist_append(drvc->instances, sdi);
136 devices = g_slist_append(devices, sdi);
139 serial_close(serial);
144 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
145 const struct sr_channel_group *cg)
147 struct dev_context *devc;
151 if (sdi->status != SR_ST_ACTIVE)
152 return SR_ERR_DEV_CLOSED;
156 return sr_sw_limits_config_set(&devc->limits, key, data);
159 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
160 const struct sr_channel_group *cg)
166 case SR_CONF_SCAN_OPTIONS:
167 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
168 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
170 case SR_CONF_DEVICE_OPTIONS:
171 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
172 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
181 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
183 struct dev_context *devc;
184 struct sr_serial_dev_inst *serial;
186 if (sdi->status != SR_ST_ACTIVE)
187 return SR_ERR_DEV_CLOSED;
191 sr_sw_limits_acquisition_start(&devc->limits);
192 std_session_send_df_header(sdi, LOG_PREFIX);
194 /* Poll every 50ms, or whenever some data comes in. */
196 serial_source_add(sdi->session, serial, G_IO_IN, 50,
197 receive_data, (void *)sdi);
202 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
204 return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
205 sdi->conn, LOG_PREFIX);
208 #define DMM(ID, CHIPSET, VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, \
209 DELAY, REQUEST, VALID, PARSE, DETAILS) \
210 &((struct dmm_info) { \
213 .longname = VENDOR " " MODEL, \
216 .cleanup = std_cleanup, \
218 .dev_list = std_dev_list, \
219 .config_get = NULL, \
220 .config_set = config_set, \
221 .config_list = config_list, \
222 .dev_open = std_serial_dev_open, \
223 .dev_close = std_serial_dev_close, \
224 .dev_acquisition_start = dev_acquisition_start, \
225 .dev_acquisition_stop = dev_acquisition_stop, \
228 VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, DELAY, \
229 REQUEST, VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
232 SR_REGISTER_DEV_DRIVER_LIST(serial_dmm_drivers,
234 "bbcgm-2010", metex14,
235 "BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
236 BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
237 sr_m2110_packet_valid, sr_m2110_parse,
241 "digitek-dt4000zc", fs9721,
242 "Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
243 FS9721_PACKET_SIZE, 0, 0, NULL,
244 sr_fs9721_packet_valid, sr_fs9721_parse,
248 "tekpower-tp4000ZC", fs9721,
249 "TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
250 FS9721_PACKET_SIZE, 0, 0, NULL,
251 sr_fs9721_packet_valid, sr_fs9721_parse,
255 "metex-me31", metex14,
256 "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
257 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
258 sr_metex14_packet_valid, sr_metex14_parse,
262 "peaktech-3410", metex14,
263 "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
264 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
265 sr_metex14_packet_valid, sr_metex14_parse,
269 "mastech-mas345", metex14,
270 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
271 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
272 sr_metex14_packet_valid, sr_metex14_parse,
276 "mastech-ms8250b", fs9721,
277 "MASTECH", "MS8250B", "2400/8n1/rts=0/dtr=1",
278 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
279 sr_fs9721_packet_valid, sr_fs9721_parse,
284 "V&A", "VA18B", "2400/8n1", 2400,
285 FS9721_PACKET_SIZE, 0, 0, NULL,
286 sr_fs9721_packet_valid, sr_fs9721_parse,
291 "V&A", "VA40B", "2400/8n1", 2400,
292 FS9721_PACKET_SIZE, 0, 0, NULL,
293 sr_fs9721_packet_valid, sr_fs9721_parse,
297 "metex-m3640d", metex14,
298 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
299 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
300 sr_metex14_packet_valid, sr_metex14_parse,
304 "metex-m4650cr", metex14,
305 "Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
306 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
307 sr_metex14_packet_valid, sr_metex14_parse,
311 "peaktech-4370", metex14,
312 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
313 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
314 sr_metex14_packet_valid, sr_metex14_parse,
318 "pce-pce-dm32", fs9721,
319 "PCE", "PCE-DM32", "2400/8n1", 2400,
320 FS9721_PACKET_SIZE, 0, 0, NULL,
321 sr_fs9721_packet_valid, sr_fs9721_parse,
322 sr_fs9721_01_10_temp_f_c
325 "radioshack-22-168", metex14,
326 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
327 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
328 sr_metex14_packet_valid, sr_metex14_parse,
332 "radioshack-22-805", metex14,
333 "RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
334 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
335 sr_metex14_packet_valid, sr_metex14_parse,
339 "radioshack-22-812", rs9lcd,
340 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
341 RS9LCD_PACKET_SIZE, 0, 0, NULL,
342 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
346 "tecpel-dmm-8061-ser", fs9721,
347 "Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
348 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
349 sr_fs9721_packet_valid, sr_fs9721_parse,
353 "voltcraft-m3650cr", metex14,
354 "Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1", 1200,
355 METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
356 sr_metex14_packet_valid, sr_metex14_parse,
360 "voltcraft-m3650d", metex14,
361 "Voltcraft", "M-3650D", "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 "voltcraft-m4650cr", metex14,
368 "Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
369 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
370 sr_metex14_packet_valid, sr_metex14_parse,
374 "voltcraft-me42", metex14,
375 "Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1", 600,
376 METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
377 sr_metex14_packet_valid, sr_metex14_parse,
381 "voltcraft-vc820-ser", fs9721,
382 "Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
383 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
384 sr_fs9721_packet_valid, sr_fs9721_parse,
389 * Note: The VC830 doesn't set the 'volt' and 'diode' bits of
390 * the FS9922 protocol. Instead, it only sets the user-defined
391 * bit "z1" to indicate "diode mode" and "voltage".
393 "voltcraft-vc830-ser", fs9922,
394 "Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
395 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
396 sr_fs9922_packet_valid, sr_fs9922_parse,
400 "voltcraft-vc840-ser", fs9721,
401 "Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
402 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
403 sr_fs9721_packet_valid, sr_fs9721_parse,
407 "voltcraft-vc870-ser", vc870,
408 "Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
409 9600, VC870_PACKET_SIZE, 0, 0, NULL,
410 sr_vc870_packet_valid, sr_vc870_parse, NULL
413 "voltcraft-vc920-ser", ut71x,
414 "Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
415 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
416 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
419 "voltcraft-vc940-ser", ut71x,
420 "Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
421 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
422 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
425 "voltcraft-vc960-ser", ut71x,
426 "Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
427 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
428 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
431 "uni-t-ut60a-ser", fs9721,
432 "UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
433 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
434 sr_fs9721_packet_valid, sr_fs9721_parse,
438 "uni-t-ut60e-ser", fs9721,
439 "UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
440 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
441 sr_fs9721_packet_valid, sr_fs9721_parse,
445 /* Note: ES51986 baudrate is actually 19230! */
446 "uni-t-ut60g-ser", es519xx,
447 "UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
448 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
449 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
453 "uni-t-ut61b-ser", fs9922,
454 "UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
455 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
456 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
459 "uni-t-ut61c-ser", fs9922,
460 "UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
461 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
462 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
465 "uni-t-ut61d-ser", fs9922,
466 "UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
467 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
468 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
471 "uni-t-ut61e-ser", es519xx,
472 /* Note: ES51922 baudrate is actually 19230! */
473 "UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
474 19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
475 sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
479 "uni-t-ut71a-ser", ut71x,
480 "UNI-T", "UT71A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
481 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
482 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
485 "uni-t-ut71b-ser", ut71x,
486 "UNI-T", "UT71B (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
487 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
488 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
491 "uni-t-ut71c-ser", ut71x,
492 "UNI-T", "UT71C (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
493 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
494 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
497 "uni-t-ut71d-ser", ut71x,
498 "UNI-T", "UT71D (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
499 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
500 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
503 "uni-t-ut71e-ser", ut71x,
504 "UNI-T", "UT71E (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
505 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
506 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
509 "iso-tech-idm103n", es519xx,
510 "ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
511 2400, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
512 sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
516 "tenma-72-7730-ser", ut71x,
517 "Tenma", "72-7730 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
518 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
519 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
522 "tenma-72-7732-ser", ut71x,
523 "Tenma", "72-7732 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
524 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
525 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
528 "tenma-72-9380a-ser", ut71x,
529 "Tenma", "72-9380A (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 "tenma-72-7745-ser", fs9721,
535 "Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
536 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
537 sr_fs9721_packet_valid, sr_fs9721_parse,
541 "tenma-72-7750-ser", es519xx,
542 /* Note: ES51986 baudrate is actually 19230! */
543 "Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
544 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
545 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
549 "brymen-bm25x", bm25x,
550 "Brymen", "BM25x", "9600/8n1/rts=1/dtr=1",
551 9600, BRYMEN_BM25X_PACKET_SIZE, 0, 0, NULL,
552 sr_brymen_bm25x_packet_valid, sr_brymen_bm25x_parse,
556 "velleman-dvm4100", dtm0660,
557 "Velleman", "DVM4100", "2400/8n1/rts=0/dtr=1",
558 2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
559 sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL
562 "peaktech-3415", dtm0660,
563 "Peaktech", "3415", "2400/8n1/rts=0/dtr=1",
564 2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
565 sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL