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analog: use correct unit for dBm/dBV
[libsigrok.git] / src / hardware / agilent-dmm / protocol.c
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1/*
2 * This file is part of the libsigrok project.
3 *
4 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
5 *
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20#include <config.h>
21#include <glib.h>
22#include <stdlib.h>
23#include <stdarg.h>
24#include <string.h>
25#include <math.h>
26#include <libsigrok/libsigrok.h>
27#include "libsigrok-internal.h"
28#include "protocol.h"
29
30static void dispatch(const struct sr_dev_inst *sdi)
31{
32 struct dev_context *devc;
33 const struct agdmm_job *jobs;
34 int64_t now;
35 int i;
36
37 devc = sdi->priv;
38 jobs = devc->profile->jobs;
39 now = g_get_monotonic_time() / 1000;
40 for (i = 0; (&jobs[i])->interval; i++) {
41 if (now - devc->jobqueue[i] > (&jobs[i])->interval) {
42 sr_spew("Running job %d.", i);
43 (&jobs[i])->send(sdi);
44 devc->jobqueue[i] = now;
45 }
46 }
47}
48
49static void receive_line(const struct sr_dev_inst *sdi)
50{
51 struct dev_context *devc;
52 const struct agdmm_recv *recvs, *recv;
53 GRegex *reg;
54 GMatchInfo *match;
55 int i;
56
57 devc = sdi->priv;
58
59 /* Strip CRLF */
60 while (devc->buflen) {
61 if (*(devc->buf + devc->buflen - 1) == '\r'
62 || *(devc->buf + devc->buflen - 1) == '\n')
63 *(devc->buf + --devc->buflen) = '\0';
64 else
65 break;
66 }
67 sr_spew("Received '%s'.", devc->buf);
68
69 recv = NULL;
70 recvs = devc->profile->recvs;
71 for (i = 0; (&recvs[i])->recv_regex; i++) {
72 reg = g_regex_new((&recvs[i])->recv_regex, 0, 0, NULL);
73 if (g_regex_match(reg, (char *)devc->buf, 0, &match)) {
74 recv = &recvs[i];
75 break;
76 }
77 g_match_info_unref(match);
78 g_regex_unref(reg);
79 }
80 if (recv) {
81 recv->recv(sdi, match);
82 g_match_info_unref(match);
83 g_regex_unref(reg);
84 } else
85 sr_dbg("Unknown line '%s'.", devc->buf);
86
87 /* Done with this. */
88 devc->buflen = 0;
89}
90
91SR_PRIV int agdmm_receive_data(int fd, int revents, void *cb_data)
92{
93 struct sr_dev_inst *sdi;
94 struct dev_context *devc;
95 struct sr_serial_dev_inst *serial;
96 int len;
97
98 (void)fd;
99
100 if (!(sdi = cb_data))
101 return TRUE;
102
103 if (!(devc = sdi->priv))
104 return TRUE;
105
106 serial = sdi->conn;
107 if (revents == G_IO_IN) {
108 /* Serial data arrived. */
109 while (AGDMM_BUFSIZE - devc->buflen - 1 > 0) {
110 len = serial_read_nonblocking(serial, devc->buf + devc->buflen, 1);
111 if (len < 1)
112 break;
113 devc->buflen += len;
114 *(devc->buf + devc->buflen) = '\0';
115 if (*(devc->buf + devc->buflen - 1) == '\n') {
116 /* End of line */
117 receive_line(sdi);
118 break;
119 }
120 }
121 }
122
123 dispatch(sdi);
124
125 if (sr_sw_limits_check(&devc->limits))
126 sdi->driver->dev_acquisition_stop(sdi);
127
128 return TRUE;
129}
130
131static int agdmm_send(const struct sr_dev_inst *sdi, const char *cmd, ...)
132{
133 struct sr_serial_dev_inst *serial;
134 va_list args;
135 char buf[32];
136
137 serial = sdi->conn;
138
139 va_start(args, cmd);
140 vsnprintf(buf, sizeof(buf)-3, cmd, args);
141 va_end(args);
142 sr_spew("Sending '%s'.", buf);
143 if (!strncmp(buf, "*IDN?", 5))
144 strcat(buf, "\r\n");
145 else
146 strcat(buf, "\n\r\n");
147 if (serial_write_blocking(serial, buf, strlen(buf), SERIAL_WRITE_TIMEOUT_MS) < (int)strlen(buf)) {
148 sr_err("Failed to send.");
149 return SR_ERR;
150 }
151
152 return SR_OK;
153}
154
155static int send_stat(const struct sr_dev_inst *sdi)
156{
157 return agdmm_send(sdi, "STAT?");
158}
159
160static int recv_stat_u123x(const struct sr_dev_inst *sdi, GMatchInfo *match)
161{
162 struct dev_context *devc;
163 char *s;
164
165 devc = sdi->priv;
166 s = g_match_info_fetch(match, 1);
167 sr_spew("STAT response '%s'.", s);
168
169 /* Max, Min or Avg mode -- no way to tell which, so we'll
170 * set both flags to denote it's not a normal measurement. */
171 if (s[0] == '1')
172 devc->cur_mqflags[0] |= SR_MQFLAG_MAX | SR_MQFLAG_MIN;
173 else
174 devc->cur_mqflags[0] &= ~(SR_MQFLAG_MAX | SR_MQFLAG_MIN);
175
176 if (s[1] == '1')
177 devc->cur_mqflags[0] |= SR_MQFLAG_RELATIVE;
178 else
179 devc->cur_mqflags[0] &= ~SR_MQFLAG_RELATIVE;
180
181 /* Triggered or auto hold modes. */
182 if (s[2] == '1' || s[3] == '1')
183 devc->cur_mqflags[0] |= SR_MQFLAG_HOLD;
184 else
185 devc->cur_mqflags[0] &= ~SR_MQFLAG_HOLD;
186
187 /* Temp/aux mode. */
188 if (s[7] == '1')
189 devc->mode_tempaux = TRUE;
190 else
191 devc->mode_tempaux = FALSE;
192
193 /* Continuity mode. */
194 if (s[16] == '1')
195 devc->mode_continuity = TRUE;
196 else
197 devc->mode_continuity = FALSE;
198
199 g_free(s);
200
201 return SR_OK;
202}
203
204static int recv_stat_u124x(const struct sr_dev_inst *sdi, GMatchInfo *match)
205{
206 struct dev_context *devc;
207 char *s;
208
209 devc = sdi->priv;
210 s = g_match_info_fetch(match, 1);
211 sr_spew("STAT response '%s'.", s);
212
213 /* Max, Min or Avg mode -- no way to tell which, so we'll
214 * set both flags to denote it's not a normal measurement. */
215 if (s[0] == '1')
216 devc->cur_mqflags[0] |= SR_MQFLAG_MAX | SR_MQFLAG_MIN;
217 else
218 devc->cur_mqflags[0] &= ~(SR_MQFLAG_MAX | SR_MQFLAG_MIN);
219
220 if (s[1] == '1')
221 devc->cur_mqflags[0] |= SR_MQFLAG_RELATIVE;
222 else
223 devc->cur_mqflags[0] &= ~SR_MQFLAG_RELATIVE;
224
225 /* Hold mode. */
226 if (s[7] == '1')
227 devc->cur_mqflags[0] |= SR_MQFLAG_HOLD;
228 else
229 devc->cur_mqflags[0] &= ~SR_MQFLAG_HOLD;
230
231 g_free(s);
232
233 return SR_OK;
234}
235
236static int recv_stat_u125x(const struct sr_dev_inst *sdi, GMatchInfo *match)
237{
238 struct dev_context *devc;
239 char *s;
240
241 devc = sdi->priv;
242 s = g_match_info_fetch(match, 1);
243 sr_spew("STAT response '%s'.", s);
244
245 /* dBm/dBV modes. */
246 if ((s[2] & ~0x20) == 'M')
247 devc->mode_dbm_dbv = devc->cur_unit[0] = SR_UNIT_DECIBEL_MW;
248 else if ((s[2] & ~0x20) == 'V')
249 devc->mode_dbm_dbv = devc->cur_unit[0] = SR_UNIT_DECIBEL_VOLT;
250 else
251 devc->mode_dbm_dbv = 0;
252
253 /* Peak hold mode. */
254 if (s[4] == '1')
255 devc->cur_mqflags[0] |= SR_MQFLAG_MAX;
256 else
257 devc->cur_mqflags[0] &= ~SR_MQFLAG_MAX;
258
259 /* Triggered hold mode. */
260 if (s[7] == '1')
261 devc->cur_mqflags[0] |= SR_MQFLAG_HOLD;
262 else
263 devc->cur_mqflags[0] &= ~SR_MQFLAG_HOLD;
264
265 g_free(s);
266
267 return SR_OK;
268}
269
270static int recv_stat_u128x(const struct sr_dev_inst *sdi, GMatchInfo *match)
271{
272 struct dev_context *devc;
273 char *s;
274
275 devc = sdi->priv;
276 s = g_match_info_fetch(match, 1);
277 sr_spew("STAT response '%s'.", s);
278
279 /* Max, Min or Avg mode -- no way to tell which, so we'll
280 * set both flags to denote it's not a normal measurement. */
281 if (s[0] == '1')
282 devc->cur_mqflags[0] |= SR_MQFLAG_MAX | SR_MQFLAG_MIN | SR_MQFLAG_AVG;
283 else
284 devc->cur_mqflags[0] &= ~(SR_MQFLAG_MAX | SR_MQFLAG_MIN | SR_MQFLAG_AVG);
285
286 /* dBm/dBV modes. */
287 if ((s[2] & ~0x20) == 'M')
288 devc->mode_dbm_dbv = devc->cur_unit[0] = SR_UNIT_DECIBEL_MW;
289 else if ((s[2] & ~0x20) == 'V')
290 devc->mode_dbm_dbv = devc->cur_unit[0] = SR_UNIT_DECIBEL_VOLT;
291 else
292 devc->mode_dbm_dbv = 0;
293
294 /* Peak hold mode. */
295 if (s[4] == '4')
296 devc->cur_mqflags[0] |= SR_MQFLAG_MAX;
297 else
298 devc->cur_mqflags[0] &= ~SR_MQFLAG_MAX;
299
300 /* Null function. */
301 if (s[1] == '1')
302 devc->cur_mqflags[0] |= SR_MQFLAG_RELATIVE;
303 else
304 devc->cur_mqflags[0] &= ~SR_MQFLAG_RELATIVE;
305
306 /* Triggered or auto hold modes. */
307 if (s[7] == '1' || s[11] == '1')
308 devc->cur_mqflags[0] |= SR_MQFLAG_HOLD;
309 else
310 devc->cur_mqflags[0] &= ~SR_MQFLAG_HOLD;
311
312 g_free(s);
313
314 return SR_OK;
315}
316
317static int send_fetc(const struct sr_dev_inst *sdi)
318{
319 struct dev_context *devc;
320 devc = sdi->priv;
321 if (devc->mode_squarewave)
322 return SR_OK;
323 devc->cur_channel = sr_next_enabled_channel(sdi, devc->cur_channel);
324 if (devc->cur_channel->index > 0)
325 return agdmm_send(sdi, "FETC? @%d", devc->cur_channel->index + 1);
326 else
327 return agdmm_send(sdi, "FETC?");
328}
329
330static int recv_fetc(const struct sr_dev_inst *sdi, GMatchInfo *match)
331{
332 struct dev_context *devc;
333 struct sr_datafeed_packet packet;
334 struct sr_datafeed_analog analog;
335 struct sr_analog_encoding encoding;
336 struct sr_analog_meaning meaning;
337 struct sr_analog_spec spec;
338 float fvalue;
339 const char *s;
340 char *mstr;
341 int i, exp;
342
343 sr_spew("FETC reply '%s'.", g_match_info_get_string(match));
344 devc = sdi->priv;
345 i = devc->cur_channel->index;
346
347 if (devc->cur_mq[i] == -1)
348 /* Haven't seen configuration yet, so can't know what
349 * the fetched float means. Not really an error, we'll
350 * get metadata soon enough. */
351 return SR_OK;
352
353 s = g_match_info_get_string(match);
354 if (!strcmp(s, "-9.90000000E+37") || !strcmp(s, "+9.90000000E+37")) {
355 /* An invalid measurement shows up on the display as "O.L", but
356 * comes through like this. Since comparing 38-digit floats
357 * is rather problematic, we'll cut through this here. */
358 fvalue = NAN;
359 } else {
360 mstr = g_match_info_fetch(match, 1);
361 if (sr_atof_ascii(mstr, &fvalue) != SR_OK) {
362 g_free(mstr);
363 sr_dbg("Invalid float.");
364 return SR_ERR;
365 }
366 g_free(mstr);
367 if (devc->cur_exponent[i] != 0)
368 fvalue *= powf(10, devc->cur_exponent[i]);
369 }
370
371 if (devc->cur_unit[i] == SR_UNIT_DECIBEL_MW ||
372 devc->cur_unit[i] == SR_UNIT_DECIBEL_VOLT ||
373 devc->cur_unit[i] == SR_UNIT_PERCENTAGE) {
374 mstr = g_match_info_fetch(match, 2);
375 if (mstr && sr_atoi(mstr, &exp) == SR_OK) {
376 devc->cur_digits[i] = MIN(4 - exp, devc->cur_digits[i]);
377 devc->cur_encoding[i] = MIN(5 - exp, devc->cur_encoding[i]);
378 }
379 g_free(mstr);
380 }
381
382 sr_analog_init(&analog, &encoding, &meaning, &spec,
383 devc->cur_digits[i] - devc->cur_exponent[i]);
384 analog.meaning->mq = devc->cur_mq[i];
385 analog.meaning->unit = devc->cur_unit[i];
386 analog.meaning->mqflags = devc->cur_mqflags[i];
387 analog.meaning->channels = g_slist_append(NULL, devc->cur_channel);
388 analog.num_samples = 1;
389 analog.data = &fvalue;
390 encoding.digits = devc->cur_encoding[i] - devc->cur_exponent[i];
391 packet.type = SR_DF_ANALOG;
392 packet.payload = &analog;
393 sr_session_send(sdi, &packet);
394 g_slist_free(analog.meaning->channels);
395
396 sr_sw_limits_update_samples_read(&devc->limits, 1);
397
398 return SR_OK;
399}
400
401static int send_conf(const struct sr_dev_inst *sdi)
402{
403 struct dev_context *devc = sdi->priv;
404
405 devc->cur_conf = sr_next_enabled_channel(sdi, devc->cur_conf);
406
407 /* Do not try to send CONF? for internal temperature channel. */
408 if (devc->cur_conf->index == MAX(devc->profile->nb_channels - 1, 1))
409 devc->cur_conf = sr_next_enabled_channel(sdi, devc->cur_conf);
410 if (devc->cur_conf->index == MAX(devc->profile->nb_channels - 1, 1))
411 return SR_ERR_NA;
412
413 if (devc->cur_conf->index > 0)
414 return agdmm_send(sdi, "CONF? @%d", devc->cur_conf->index + 1);
415 else
416 return agdmm_send(sdi, "CONF?");
417}
418
419static int recv_conf_u123x(const struct sr_dev_inst *sdi, GMatchInfo *match)
420{
421 struct dev_context *devc;
422 char *mstr, *rstr;
423 int i, resolution;
424
425 sr_spew("CONF? response '%s'.", g_match_info_get_string(match));
426 devc = sdi->priv;
427 i = devc->cur_conf->index;
428
429 rstr = g_match_info_fetch(match, 2);
430 if (rstr)
431 sr_atoi(rstr, &resolution);
432 g_free(rstr);
433
434 mstr = g_match_info_fetch(match, 1);
435 if (!strcmp(mstr, "V")) {
436 devc->cur_mq[i] = SR_MQ_VOLTAGE;
437 devc->cur_unit[i] = SR_UNIT_VOLT;
438 devc->cur_mqflags[i] = 0;
439 devc->cur_exponent[i] = 0;
440 devc->cur_digits[i] = 4 - resolution;
441 } else if (!strcmp(mstr, "MV")) {
442 if (devc->mode_tempaux) {
443 devc->cur_mq[i] = SR_MQ_TEMPERATURE;
444 /* No way to detect whether Fahrenheit or Celsius
445 * is used, so we'll just default to Celsius. */
446 devc->cur_unit[i] = SR_UNIT_CELSIUS;
447 devc->cur_mqflags[i] = 0;
448 devc->cur_exponent[i] = 0;
449 devc->cur_digits[i] = 1;
450 } else {
451 devc->cur_mq[i] = SR_MQ_VOLTAGE;
452 devc->cur_unit[i] = SR_UNIT_VOLT;
453 devc->cur_mqflags[i] = 0;
454 devc->cur_exponent[i] = -3;
455 devc->cur_digits[i] = 5 - resolution;
456 }
457 } else if (!strcmp(mstr, "A")) {
458 devc->cur_mq[i] = SR_MQ_CURRENT;
459 devc->cur_unit[i] = SR_UNIT_AMPERE;
460 devc->cur_mqflags[i] = 0;
461 devc->cur_exponent[i] = 0;
462 devc->cur_digits[i] = 3 - resolution;
463 } else if (!strcmp(mstr, "UA")) {
464 devc->cur_mq[i] = SR_MQ_CURRENT;
465 devc->cur_unit[i] = SR_UNIT_AMPERE;
466 devc->cur_mqflags[i] = 0;
467 devc->cur_exponent[i] = -6;
468 devc->cur_digits[i] = 8 - resolution;
469 } else if (!strcmp(mstr, "FREQ")) {
470 devc->cur_mq[i] = SR_MQ_FREQUENCY;
471 devc->cur_unit[i] = SR_UNIT_HERTZ;
472 devc->cur_mqflags[i] = 0;
473 devc->cur_exponent[i] = 0;
474 devc->cur_digits[i] = 2 - resolution;
475 } else if (!strcmp(mstr, "RES")) {
476 if (devc->mode_continuity) {
477 devc->cur_mq[i] = SR_MQ_CONTINUITY;
478 devc->cur_unit[i] = SR_UNIT_BOOLEAN;
479 } else {
480 devc->cur_mq[i] = SR_MQ_RESISTANCE;
481 devc->cur_unit[i] = SR_UNIT_OHM;
482 }
483 devc->cur_mqflags[i] = 0;
484 devc->cur_exponent[i] = 0;
485 devc->cur_digits[i] = 1 - resolution;
486 } else if (!strcmp(mstr, "DIOD")) {
487 devc->cur_mq[i] = SR_MQ_VOLTAGE;
488 devc->cur_unit[i] = SR_UNIT_VOLT;
489 devc->cur_mqflags[i] = SR_MQFLAG_DIODE;
490 devc->cur_exponent[i] = 0;
491 devc->cur_digits[i] = 3;
492 } else if (!strcmp(mstr, "CAP")) {
493 devc->cur_mq[i] = SR_MQ_CAPACITANCE;
494 devc->cur_unit[i] = SR_UNIT_FARAD;
495 devc->cur_mqflags[i] = 0;
496 devc->cur_exponent[i] = 0;
497 devc->cur_digits[i] = 9 - resolution;
498 } else
499 sr_dbg("Unknown first argument.");
500 g_free(mstr);
501
502 /* This is based on guess, supposing similarity with other models. */
503 devc->cur_encoding[i] = devc->cur_digits[i] + 1;
504
505 if (g_match_info_get_match_count(match) == 4) {
506 mstr = g_match_info_fetch(match, 3);
507 /* Third value, if present, is always AC or DC. */
508 if (!strcmp(mstr, "AC")) {
509 devc->cur_mqflags[i] |= SR_MQFLAG_AC;
510 if (devc->cur_mq[i] == SR_MQ_VOLTAGE)
511 devc->cur_mqflags[i] |= SR_MQFLAG_RMS;
512 } else if (!strcmp(mstr, "DC")) {
513 devc->cur_mqflags[i] |= SR_MQFLAG_DC;
514 } else {
515 sr_dbg("Unknown first argument '%s'.", mstr);
516 }
517 g_free(mstr);
518 } else
519 devc->cur_mqflags[i] &= ~(SR_MQFLAG_AC | SR_MQFLAG_DC);
520
521 return SR_OK;
522}
523
524static int recv_conf_u124x_5x(const struct sr_dev_inst *sdi, GMatchInfo *match)
525{
526 struct dev_context *devc;
527 char *mstr, *rstr, *m2;
528 int i, resolution;
529
530 sr_spew("CONF? response '%s'.", g_match_info_get_string(match));
531 devc = sdi->priv;
532 i = devc->cur_conf->index;
533
534 devc->mode_squarewave = 0;
535
536 rstr = g_match_info_fetch(match, 4);
537 if (rstr && sr_atoi(rstr, &resolution) == SR_OK) {
538 devc->cur_digits[i] = -resolution;
539 devc->cur_encoding[i] = -resolution + 1;
540 }
541 g_free(rstr);
542
543 mstr = g_match_info_fetch(match, 1);
544 if (!strncmp(mstr, "VOLT", 4)) {
545 devc->cur_mq[i] = SR_MQ_VOLTAGE;
546 devc->cur_unit[i] = SR_UNIT_VOLT;
547 devc->cur_mqflags[i] = 0;
548 devc->cur_exponent[i] = 0;
549 if (i == 0 && devc->mode_dbm_dbv) {
550 devc->cur_unit[i] = devc->mode_dbm_dbv;
551 devc->cur_digits[i] = 3;
552 devc->cur_encoding[i] = 4;
553 }
554 if (mstr[4] == ':') {
555 if (!strncmp(mstr + 5, "ACDC", 4)) {
556 /* AC + DC offset */
557 devc->cur_mqflags[i] |= SR_MQFLAG_AC | SR_MQFLAG_DC | SR_MQFLAG_RMS;
558 } else if (!strncmp(mstr + 5, "AC", 2)) {
559 devc->cur_mqflags[i] |= SR_MQFLAG_AC | SR_MQFLAG_RMS;
560 } else if (!strncmp(mstr + 5, "DC", 2)) {
561 devc->cur_mqflags[i] |= SR_MQFLAG_DC;
562 }
563 } else
564 devc->cur_mqflags[i] |= SR_MQFLAG_DC;
565 } else if (!strncmp(mstr, "CURR", 4)) {
566 devc->cur_mq[i] = SR_MQ_CURRENT;
567 devc->cur_unit[i] = SR_UNIT_AMPERE;
568 devc->cur_mqflags[i] = 0;
569 devc->cur_exponent[i] = 0;
570 if (mstr[4] == ':') {
571 if (!strncmp(mstr + 5, "ACDC", 4)) {
572 /* AC + DC offset */
573 devc->cur_mqflags[i] |= SR_MQFLAG_AC | SR_MQFLAG_DC | SR_MQFLAG_RMS;
574 } else if (!strncmp(mstr + 5, "AC", 2)) {
575 devc->cur_mqflags[i] |= SR_MQFLAG_AC | SR_MQFLAG_RMS;
576 } else if (!strncmp(mstr + 5, "DC", 2)) {
577 devc->cur_mqflags[i] |= SR_MQFLAG_DC;
578 }
579 } else
580 devc->cur_mqflags[i] |= SR_MQFLAG_DC;
581 } else if (!strcmp(mstr, "RES")) {
582 devc->cur_mq[i] = SR_MQ_RESISTANCE;
583 devc->cur_unit[i] = SR_UNIT_OHM;
584 devc->cur_mqflags[i] = 0;
585 devc->cur_exponent[i] = 0;
586 } else if (!strcmp(mstr, "COND")) {
587 devc->cur_mq[i] = SR_MQ_CONDUCTANCE;
588 devc->cur_unit[i] = SR_UNIT_SIEMENS;
589 devc->cur_mqflags[i] = 0;
590 devc->cur_exponent[i] = 0;
591 } else if (!strcmp(mstr, "CAP")) {
592 devc->cur_mq[i] = SR_MQ_CAPACITANCE;
593 devc->cur_unit[i] = SR_UNIT_FARAD;
594 devc->cur_mqflags[i] = 0;
595 devc->cur_exponent[i] = 0;
596 } else if (!strncmp(mstr, "FREQ", 4) || !strncmp(mstr, "FC1", 3)) {
597 devc->cur_mq[i] = SR_MQ_FREQUENCY;
598 devc->cur_unit[i] = SR_UNIT_HERTZ;
599 devc->cur_mqflags[i] = 0;
600 devc->cur_exponent[i] = 0;
601 } else if (!strcmp(mstr, "CONT")) {
602 devc->cur_mq[i] = SR_MQ_CONTINUITY;
603 devc->cur_unit[i] = SR_UNIT_BOOLEAN;
604 devc->cur_mqflags[i] = 0;
605 devc->cur_exponent[i] = 0;
606 } else if (!strcmp(mstr, "DIOD")) {
607 devc->cur_mq[i] = SR_MQ_VOLTAGE;
608 devc->cur_unit[i] = SR_UNIT_VOLT;
609 devc->cur_mqflags[i] = SR_MQFLAG_DIODE;
610 devc->cur_exponent[i] = 0;
611 devc->cur_digits[i] = 4;
612 devc->cur_encoding[i] = 5;
613 } else if (!strncmp(mstr, "T1", 2) || !strncmp(mstr, "T2", 2) ||
614 !strncmp(mstr, "TEMP", 2)) {
615 devc->cur_mq[i] = SR_MQ_TEMPERATURE;
616 m2 = g_match_info_fetch(match, 2);
617 if (!m2)
618 /*
619 * TEMP without param is for secondary display (channel P2)
620 * and is identical to channel P3, so discard it.
621 */
622 devc->cur_mq[i] = -1;
623 else if (!strcmp(m2, "FAR"))
624 devc->cur_unit[i] = SR_UNIT_FAHRENHEIT;
625 else
626 devc->cur_unit[i] = SR_UNIT_CELSIUS;
627 g_free(m2);
628 devc->cur_mqflags[i] = 0;
629 devc->cur_exponent[i] = 0;
630 devc->cur_digits[i] = 1;
631 devc->cur_encoding[i] = 2;
632 } else if (!strcmp(mstr, "SCOU")) {
633 /*
634 * Switch counter, not supported. Not sure what values
635 * come from FETC in this mode, or how they would map
636 * into libsigrok.
637 */
638 } else if (!strncmp(mstr, "CPER:", 5)) {
639 devc->cur_mq[i] = SR_MQ_CURRENT;
640 devc->cur_unit[i] = SR_UNIT_PERCENTAGE;
641 devc->cur_mqflags[i] = 0;
642 devc->cur_exponent[i] = 0;
643 devc->cur_digits[i] = 2;
644 devc->cur_encoding[i] = 3;
645 } else if (!strcmp(mstr, "SQU")) {
646 /*
647 * Square wave output, not supported. FETC just return
648 * an error in this mode, so don't even call it.
649 */
650 devc->mode_squarewave = 1;
651 } else {
652 sr_dbg("Unknown first argument '%s'.", mstr);
653 }
654 g_free(mstr);
655
656 return SR_OK;
657}
658
659/* This comes in whenever the rotary switch is changed to a new position.
660 * We could use it to determine the major measurement mode, but we already
661 * have the output of CONF? for that, which is more detailed. However
662 * we do need to catch this here, or it'll show up in some other output. */
663static int recv_switch(const struct sr_dev_inst *sdi, GMatchInfo *match)
664{
665 (void)sdi;
666
667 sr_spew("Switch '%s'.", g_match_info_get_string(match));
668
669 return SR_OK;
670}
671
672/* Poll keys/switches and values at 7Hz, mode at 1Hz. */
673SR_PRIV const struct agdmm_job agdmm_jobs_u12xx[] = {
674 { 143, send_stat },
675 { 1000, send_conf },
676 { 143, send_fetc },
677 ALL_ZERO
678};
679
680SR_PRIV const struct agdmm_recv agdmm_recvs_u123x[] = {
681 { "^\"(\\d\\d.{18}\\d)\"$", recv_stat_u123x },
682 { "^\\*([0-9])$", recv_switch },
683 { "^([-+][0-9]\\.[0-9]{8}E[-+][0-9]{2})$", recv_fetc },
684 { "^\"(V|MV|A|UA|FREQ),(\\d),(AC|DC)\"$", recv_conf_u123x },
685 { "^\"(RES|CAP),(\\d)\"$", recv_conf_u123x},
686 { "^\"(DIOD)\"$", recv_conf_u123x },
687 ALL_ZERO
688};
689
690SR_PRIV const struct agdmm_recv agdmm_recvs_u124x[] = {
691 { "^\"(\\d\\d.{18}\\d)\"$", recv_stat_u124x },
692 { "^\\*([0-9])$", recv_switch },
693 { "^([-+][0-9]\\.[0-9]{8}E[-+][0-9]{2})$", recv_fetc },
694 { "^\"(VOLT|CURR|RES|CAP|FREQ) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
695 { "^\"(VOLT:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
696 { "^\"(CURR:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
697 { "^\"(CPER:[40]-20mA) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
698 { "^\"(T[0-9]:[A-Z]+) ([A-Z]+)\"$", recv_conf_u124x_5x },
699 { "^\"(DIOD)\"$", recv_conf_u124x_5x },
700 ALL_ZERO
701};
702
703SR_PRIV const struct agdmm_recv agdmm_recvs_u125x[] = {
704 { "^\"(\\d\\d.{18}\\d)\"$", recv_stat_u125x },
705 { "^\\*([0-9])$", recv_switch },
706 { "^([-+][0-9]\\.[0-9]{8}E[-+][0-9]{2})$", recv_fetc },
707 { "^\"(VOLT|CURR|RES|CAP|FREQ) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
708 { "^\"(VOLT:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
709 { "^\"(CURR:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
710 { "^\"(CPER:[40]-20mA) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
711 { "^\"(T[0-9]:[A-Z]+) ([A-Z]+)\"$", recv_conf_u124x_5x },
712 { "^\"(DIOD)\"$", recv_conf_u124x_5x },
713 ALL_ZERO
714};
715
716SR_PRIV const struct agdmm_recv agdmm_recvs_u128x[] = {
717 { "^\"(\\d\\d.{18}\\d)\"$", recv_stat_u128x },
718 { "^\\*([0-9])$", recv_switch },
719 { "^([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))$", recv_fetc },
720 { "^\"(VOLT|CURR|RES|COND|CAP|FREQ|FC1|FC100) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
721 { "^\"(VOLT:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
722 { "^\"(CURR:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
723 { "^\"(FREQ:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
724 { "^\"(CPER:[40]-20mA) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
725 { "^\"(TEMP:[A-Z]+) ([A-Z]+)\"$", recv_conf_u124x_5x },
726 { "^\"(DIOD|SQU|TEMP)\"$", recv_conf_u124x_5x },
727 ALL_ZERO
728};