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>
27 #include <libsigrok/libsigrok.h>
28 #include "libsigrok-internal.h"
31 static const uint32_t scanopts[] = {
36 static const uint32_t devopts[] = {
39 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
40 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
43 static int dev_clear(const struct sr_dev_driver *di)
45 return std_dev_clear(di, NULL);
48 static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
50 return std_init(sr_ctx, di, LOG_PREFIX);
53 static GSList *scan(struct sr_dev_driver *di, GSList *options)
56 struct sr_config *src;
58 const char *conn, *serialcomm;
59 struct sr_dev_inst *sdi;
60 struct drv_context *drvc;
61 struct dev_context *devc;
62 struct sr_serial_dev_inst *serial;
67 dmm = (struct dmm_info *)di;
69 conn = serialcomm = NULL;
70 for (l = options; l; l = l->next) {
74 conn = g_variant_get_string(src->data, NULL);
76 case SR_CONF_SERIALCOMM:
77 serialcomm = g_variant_get_string(src->data, NULL);
85 serialcomm = dmm->conn;
87 serial = sr_serial_dev_inst_new(conn, serialcomm);
89 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
92 sr_info("Probing serial port %s.", conn);
98 /* Request a packet if the DMM requires this. */
99 if (dmm->packet_request) {
100 if ((ret = dmm->packet_request(serial)) < 0) {
101 sr_err("Failed to request packet: %d.", ret);
107 * There's no way to get an ID from the multimeter. It just sends data
108 * periodically (or upon request), so the best we can do is check if
109 * the packets match the expected format.
112 /* Let's get a bit of data and see if we can find a packet. */
114 ret = serial_stream_detect(serial, buf, &len, dmm->packet_size,
115 dmm->packet_valid, 3000,
121 * If we dropped more than two packets worth of data, something is
122 * wrong. We shouldn't quit however, since the dropped bytes might be
123 * just zeroes at the beginning of the stream. Those can occur as a
124 * combination of the nonstandard cable that ships with some devices
125 * and the serial port or USB to serial adapter.
127 dropped = len - dmm->packet_size;
128 if (dropped > 2 * dmm->packet_size)
129 sr_warn("Had to drop too much data.");
131 sr_info("Found device on port %s.", conn);
133 sdi = g_malloc0(sizeof(struct sr_dev_inst));
134 sdi->status = SR_ST_INACTIVE;
135 sdi->vendor = g_strdup(dmm->vendor);
136 sdi->model = g_strdup(dmm->device);
137 devc = g_malloc0(sizeof(struct dev_context));
138 sdi->inst_type = SR_INST_SERIAL;
142 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
143 drvc->instances = g_slist_append(drvc->instances, sdi);
144 devices = g_slist_append(devices, sdi);
147 serial_close(serial);
152 static GSList *dev_list(const struct sr_dev_driver *di)
154 return ((struct drv_context *)(di->context))->instances;
157 static int cleanup(const struct sr_dev_driver *di)
159 return dev_clear(di);
162 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
163 const struct sr_channel_group *cg)
165 struct dev_context *devc;
169 if (sdi->status != SR_ST_ACTIVE)
170 return SR_ERR_DEV_CLOSED;
172 if (!(devc = sdi->priv)) {
173 sr_err("sdi->priv was NULL.");
178 case SR_CONF_LIMIT_SAMPLES:
179 devc->limit_samples = g_variant_get_uint64(data);
181 case SR_CONF_LIMIT_MSEC:
182 devc->limit_msec = g_variant_get_uint64(data);
191 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
192 const struct sr_channel_group *cg)
198 case SR_CONF_SCAN_OPTIONS:
199 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
200 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
202 case SR_CONF_DEVICE_OPTIONS:
203 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
204 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
213 static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
215 struct dev_context *devc;
216 struct sr_serial_dev_inst *serial;
218 if (sdi->status != SR_ST_ACTIVE)
219 return SR_ERR_DEV_CLOSED;
221 if (!(devc = sdi->priv)) {
222 sr_err("sdi->priv was NULL.");
226 devc->cb_data = cb_data;
229 * Reset the number of samples to take. If we've already collected our
230 * quota, but we start a new session, and don't reset this, we'll just
231 * quit without acquiring any new samples.
233 devc->num_samples = 0;
234 devc->starttime = g_get_monotonic_time();
236 /* Send header packet to the session bus. */
237 std_session_send_df_header(cb_data, LOG_PREFIX);
239 /* Poll every 50ms, or whenever some data comes in. */
241 serial_source_add(sdi->session, serial, G_IO_IN, 50,
242 receive_data, (void *)sdi);
247 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
249 return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
250 sdi->conn, LOG_PREFIX);
253 #define DMM(ID, CHIPSET, VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, \
254 DELAY, REQUEST, VALID, PARSE, DETAILS) \
255 &(struct dmm_info) { \
258 .longname = VENDOR " " MODEL, \
261 .cleanup = cleanup, \
263 .dev_list = dev_list, \
264 .dev_clear = dev_clear, \
265 .config_get = NULL, \
266 .config_set = config_set, \
267 .config_list = config_list, \
268 .dev_open = std_serial_dev_open, \
269 .dev_close = std_serial_dev_close, \
270 .dev_acquisition_start = dev_acquisition_start, \
271 .dev_acquisition_stop = dev_acquisition_stop, \
274 VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, DELAY, \
275 REQUEST, VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
278 SR_PRIV const struct dmm_info *serial_dmm_drivers[] = {
280 "bbcgm-2010", metex14,
281 "BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
282 BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
283 sr_m2110_packet_valid, sr_m2110_parse,
287 "digitek-dt4000zc", fs9721,
288 "Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
289 FS9721_PACKET_SIZE, 0, 0, NULL,
290 sr_fs9721_packet_valid, sr_fs9721_parse,
294 "tekpower-tp4000ZC", fs9721,
295 "TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
296 FS9721_PACKET_SIZE, 0, 0, NULL,
297 sr_fs9721_packet_valid, sr_fs9721_parse,
301 "metex-me31", metex14,
302 "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
303 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
304 sr_metex14_packet_valid, sr_metex14_parse,
308 "peaktech-3410", metex14,
309 "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
310 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
311 sr_metex14_packet_valid, sr_metex14_parse,
315 "mastech-mas345", metex14,
316 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
317 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
318 sr_metex14_packet_valid, sr_metex14_parse,
322 "mastech-ms8250b", fs9721,
323 "MASTECH", "MS8250B", "2400/8n1/rts=0/dtr=1",
324 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
325 sr_fs9721_packet_valid, sr_fs9721_parse,
330 "V&A", "VA18B", "2400/8n1", 2400,
331 FS9721_PACKET_SIZE, 0, 0, NULL,
332 sr_fs9721_packet_valid, sr_fs9721_parse,
337 "V&A", "VA40B", "2400/8n1", 2400,
338 FS9721_PACKET_SIZE, 0, 0, NULL,
339 sr_fs9721_packet_valid, sr_fs9721_parse,
343 "metex-m3640d", metex14,
344 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
345 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
346 sr_metex14_packet_valid, sr_metex14_parse,
350 "metex-m4650cr", metex14,
351 "Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
352 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
353 sr_metex14_packet_valid, sr_metex14_parse,
357 "peaktech-4370", metex14,
358 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
359 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
360 sr_metex14_packet_valid, sr_metex14_parse,
364 "pce-pce-dm32", fs9721,
365 "PCE", "PCE-DM32", "2400/8n1", 2400,
366 FS9721_PACKET_SIZE, 0, 0, NULL,
367 sr_fs9721_packet_valid, sr_fs9721_parse,
368 sr_fs9721_01_10_temp_f_c
371 "radioshack-22-168", metex14,
372 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
373 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
374 sr_metex14_packet_valid, sr_metex14_parse,
378 "radioshack-22-805", metex14,
379 "RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
380 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
381 sr_metex14_packet_valid, sr_metex14_parse,
385 "radioshack-22-812", rs9lcd,
386 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
387 RS9LCD_PACKET_SIZE, 0, 0, NULL,
388 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
392 "tecpel-dmm-8061-ser", fs9721,
393 "Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
394 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
395 sr_fs9721_packet_valid, sr_fs9721_parse,
399 "voltcraft-m3650cr", metex14,
400 "Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1", 1200,
401 METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
402 sr_metex14_packet_valid, sr_metex14_parse,
406 "voltcraft-m3650d", metex14,
407 "Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1", 1200,
408 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
409 sr_metex14_packet_valid, sr_metex14_parse,
413 "voltcraft-m4650cr", metex14,
414 "Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
415 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
416 sr_metex14_packet_valid, sr_metex14_parse,
420 "voltcraft-me42", metex14,
421 "Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1", 600,
422 METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
423 sr_metex14_packet_valid, sr_metex14_parse,
427 "voltcraft-vc820-ser", fs9721,
428 "Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
429 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
430 sr_fs9721_packet_valid, sr_fs9721_parse,
435 * Note: The VC830 doesn't set the 'volt' and 'diode' bits of
436 * the FS9922 protocol. Instead, it only sets the user-defined
437 * bit "z1" to indicate "diode mode" and "voltage".
439 "voltcraft-vc830-ser", fs9922,
440 "Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
441 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
442 sr_fs9922_packet_valid, sr_fs9922_parse,
446 "voltcraft-vc840-ser", fs9721,
447 "Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
448 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
449 sr_fs9721_packet_valid, sr_fs9721_parse,
453 "voltcraft-vc870-ser", vc870,
454 "Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
455 9600, VC870_PACKET_SIZE, 0, 0, NULL,
456 sr_vc870_packet_valid, sr_vc870_parse, NULL
459 "voltcraft-vc920-ser", ut71x,
460 "Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
461 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
462 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
465 "voltcraft-vc940-ser", ut71x,
466 "Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
467 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
468 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
471 "voltcraft-vc960-ser", ut71x,
472 "Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
473 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
474 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
477 "uni-t-ut60a-ser", fs9721,
478 "UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
479 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
480 sr_fs9721_packet_valid, sr_fs9721_parse,
484 "uni-t-ut60e-ser", fs9721,
485 "UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
486 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
487 sr_fs9721_packet_valid, sr_fs9721_parse,
491 /* Note: ES51986 baudrate is actually 19230! */
492 "uni-t-ut60g-ser", es519xx,
493 "UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
494 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
495 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
499 "uni-t-ut61b-ser", fs9922,
500 "UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
501 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
502 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
505 "uni-t-ut61c-ser", fs9922,
506 "UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
507 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
508 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
511 "uni-t-ut61d-ser", fs9922,
512 "UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
513 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
514 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
517 "uni-t-ut61e-ser", es519xx,
518 /* Note: ES51922 baudrate is actually 19230! */
519 "UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
520 19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
521 sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
525 "uni-t-ut71a-ser", ut71x,
526 "UNI-T", "UT71A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
527 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
528 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
531 "uni-t-ut71b-ser", ut71x,
532 "UNI-T", "UT71B (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
533 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
534 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
537 "uni-t-ut71c-ser", ut71x,
538 "UNI-T", "UT71C (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
539 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
540 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
543 "uni-t-ut71d-ser", ut71x,
544 "UNI-T", "UT71D (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
545 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
546 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
549 "uni-t-ut71e-ser", ut71x,
550 "UNI-T", "UT71E (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
551 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
552 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
555 "iso-tech-idm103n", es519xx,
556 "ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
557 2400, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
558 sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
562 "tenma-72-7745-ser", fs9721,
563 "Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
564 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
565 sr_fs9721_packet_valid, sr_fs9721_parse,
569 "tenma-72-7750-ser", es519xx,
570 /* Note: ES51986 baudrate is actually 19230! */
571 "Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
572 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
573 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
577 "brymen-bm25x", bm25x,
578 "Brymen", "BM25x", "9600/8n1/rts=1/dtr=1",
579 9600, BRYMEN_BM25X_PACKET_SIZE, 0, 0, NULL,
580 sr_brymen_bm25x_packet_valid, sr_brymen_bm25x_parse,