[libsigrok.git] / hardware / agilent-dmm / sched.c

/*
 * This file is part of the sigrok project.
 *
 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <glib.h>
#include "libsigrok.h"
#include "libsigrok-internal.h"
#include "config.h"
#include "agilent-dmm.h"
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <math.h>


static void dispatch(const struct sr_dev_inst *sdi)
{
	struct dev_context *devc;
	const struct agdmm_job *jobs;
	int64_t now;
	int i;

	devc = sdi->priv;
	jobs = devc->profile->jobs;
	now = g_get_monotonic_time() / 1000;
	for (i = 0; (&jobs[i])->interval; i++) {
		if (now - devc->jobqueue[i] > (&jobs[i])->interval) {
			sr_spew("agilent-dmm: running job %d", i);
			(&jobs[i])->send(sdi);
			devc->jobqueue[i] = now;
		}
	}

}

static void receive_line(const struct sr_dev_inst *sdi)
{
	struct dev_context *devc;
	const struct agdmm_recv *recvs, *recv;
	GRegex *reg;
	GMatchInfo *match;
	int i;

	devc = sdi->priv;

	/* Strip CRLF */
	while (devc->buflen) {
		if (*(devc->buf + devc->buflen - 1) == '\r'
				|| *(devc->buf + devc->buflen - 1) == '\n')
			*(devc->buf + --devc->buflen) = '\0';
		else
			break;
	}
	sr_spew("agilent-dmm: received '%s'", devc->buf);

	recv = NULL;
	recvs = devc->profile->recvs;
	for (i = 0; (&recvs[i])->recv_regex; i++) {
		reg = g_regex_new((&recvs[i])->recv_regex, 0, 0, NULL);
		if (g_regex_match(reg, (char *)devc->buf, 0, &match)) {
			recv = &recvs[i];
			break;
		}
		g_match_info_unref(match);
		g_regex_unref(reg);
	}
	if (recv) {
		recv->recv(sdi, match);
		g_match_info_unref(match);
		g_regex_unref(reg);
	}

	/* Done with this. */
	devc->buflen = 0;

}

SR_PRIV int agdmm_receive_data(int fd, int revents, void *cb_data)
{
	const struct sr_dev_inst *sdi;
	struct dev_context *devc;
	int len;

	if (!(sdi = cb_data))
		return TRUE;

	if (!(devc = sdi->priv))
		return TRUE;

	if (revents == G_IO_IN) {
		/* Serial data arrived. */
		len = AGDMM_BUFSIZE - devc->buflen - 1;
		if (len > 0) {
			len = serial_read(fd, devc->buf + devc->buflen, len);
			if (len > 0) {
				devc->buflen += len;
				*(devc->buf + devc->buflen) = '\0';
				if (devc->buflen > 0 && *(devc->buf + devc->buflen - 1) == '\n')
					/* End of line */
					receive_line(sdi);
			}
		}
	}

	dispatch(sdi);

	if (devc->num_samples >= devc->limit_samples)
		sdi->driver->dev_acquisition_stop(sdi, cb_data);

	return TRUE;
}

static int agdmm_send(const struct sr_dev_inst *sdi, const char *cmd)
{
	struct dev_context *devc;
	char buf[32];

	devc = sdi->priv;
	sr_spew("agilent-dmm: sending '%s'", cmd);
	strncpy(buf, cmd, 28);
	if (!strncmp(buf, "*IDN?", 5))
		strncat(buf, "\r\n", 32);
	else
		strncat(buf, "\n\r\n", 32);
	if (serial_write(devc->serial->fd, buf, strlen(buf)) == -1) {
		sr_err("agilent-dmm: failed to send: %s", strerror(errno));
		return SR_ERR;
	}
	
	return SR_OK;
}

static int agdmm_ident_send(const struct sr_dev_inst *sdi)
{

	return agdmm_send(sdi, "*IDN?");
}

static int agdmm_ident_recv(const struct sr_dev_inst *sdi, GMatchInfo *match)
{

	(void)sdi;

	sr_spew("got ident '%s'", g_match_info_get_string(match));

	return SR_OK;
}

static int agdmm_stat_send(const struct sr_dev_inst *sdi)
{

	return agdmm_send(sdi, "STAT?");
}

static int agdmm_stat_recv(const struct sr_dev_inst *sdi, GMatchInfo *match)
{
	struct dev_context *devc;
	char *s;

	devc = sdi->priv;
	s = g_match_info_fetch(match, 1);
	sr_spew("got stat '%s'", s);

	/* Max, Min or Avg mode -- no way to tell which, so we'll
	 * set both flags to denote it's not a normal measurement. */
	if (s[0] == '1')
		devc->cur_mqflags |= SR_MQFLAG_MAX | SR_MQFLAG_MIN;
	else
		devc->cur_mqflags &= ~(SR_MQFLAG_MAX | SR_MQFLAG_MIN);

	if (s[1] == '1')
		devc->cur_mqflags |= SR_MQFLAG_RELATIVE;
	else
		devc->cur_mqflags &= ~SR_MQFLAG_RELATIVE;

	/* Triggered or auto hold modes. */
	if (s[2] == '1' || s[3] == '1')
		devc->cur_mqflags |= SR_MQFLAG_HOLD;
	else
		devc->cur_mqflags &= ~SR_MQFLAG_HOLD;

	/* Temp/aux mode. */
	if (s[7] == '1')
		devc->mode_tempaux = TRUE;
	else
		devc->mode_tempaux = FALSE;

	/*  Continuity mode. */
	if (s[16] == '1')
		devc->mode_continuity = TRUE;
	else
		devc->mode_continuity = FALSE;

	g_free(s);

	return SR_OK;
}

SR_PRIV int agdmm_fetc_send(const struct sr_dev_inst *sdi)
{

	return agdmm_send(sdi, "FETC?");
}

SR_PRIV int agdmm_fetc_recv(const struct sr_dev_inst *sdi, GMatchInfo *match)
{
	struct dev_context *devc;
	struct sr_datafeed_packet packet;
	struct sr_datafeed_analog analog;
	float fvalue;
	char *mstr, *eptr;

	sr_spew("agilent-dmm: FETC reply '%s'", g_match_info_get_string(match));
	devc = sdi->priv;

	if (devc->cur_mq == -1)
		/* Haven't seen configuration yet, so can't know what
		 * the fetched float means. Not really an error, we'll
		 * get metadata soon enough. */
		return SR_OK;

	if (!strcmp(g_match_info_get_string(match), "+9.90000000E+37")) {
		/* An invalid measurement shows up on the display as "O.L, but
		 * comes through like this. Since comparing 38-digit floats
		 * is rather problematic, we'll cut through this here. */
		fvalue = NAN;
	} else {
		mstr = g_match_info_fetch(match, 1);
		fvalue = strtof(mstr, &eptr);
		g_free(mstr);
		if (fvalue == 0.0 && eptr == mstr) {
			sr_err("agilent-dmm: invalid float");
			return SR_ERR;
		}
		if (devc->cur_divider > 0)
			fvalue /= devc->cur_divider;
	}

	memset(&analog, 0, sizeof(struct sr_datafeed_analog));
	analog.mq = devc->cur_mq;
	analog.unit = devc->cur_unit;
	analog.mqflags = devc->cur_mqflags;
	analog.num_samples = 1;
	analog.data = &fvalue;
	packet.type = SR_DF_ANALOG;
	packet.payload = &analog;
	sr_session_send(devc->cb_data, &packet);

	devc->num_samples++;

	return SR_OK;
}

SR_PRIV int agdmm_conf_send(const struct sr_dev_inst *sdi)
{

	return agdmm_send(sdi, "CONF?");
}

SR_PRIV int agdmm_conf_recv(const struct sr_dev_inst *sdi, GMatchInfo *match)
{
	struct dev_context *devc;
	char *mstr;

	sr_spew("got conf '%s'",  g_match_info_get_string(match));
	devc = sdi->priv;
	mstr = g_match_info_fetch(match, 1);
	if (!strcmp(mstr, "V")) {
		devc->cur_mq = SR_MQ_VOLTAGE;
		devc->cur_unit = SR_UNIT_VOLT;
		devc->cur_mqflags = 0;
		devc->cur_divider = 0;
	} else if(!strcmp(mstr, "MV")) {
		if (devc->mode_tempaux) {
			devc->cur_mq = SR_MQ_TEMPERATURE;
			/* No way to detect whether Fahrenheit or Celcius
			 * is used, so we'll just default to Celcius. */
			devc->cur_unit = SR_UNIT_CELSIUS;
		devc->cur_mqflags = 0;
		devc->cur_divider = 0;
		} else {
			devc->cur_mq = SR_MQ_VOLTAGE;
			devc->cur_unit = SR_UNIT_VOLT;
			devc->cur_mqflags = 0;
			devc->cur_divider = 1000;
		}
	} else if(!strcmp(mstr, "A")) {
		devc->cur_mq = SR_MQ_CURRENT;
		devc->cur_unit = SR_UNIT_AMPERE;
		devc->cur_mqflags = 0;
		devc->cur_divider = 0;
	} else if(!strcmp(mstr, "UA")) {
		devc->cur_mq = SR_MQ_CURRENT;
		devc->cur_unit = SR_UNIT_AMPERE;
		devc->cur_mqflags = 0;
		devc->cur_divider = 1000000;
	} else if(!strcmp(mstr, "FREQ")) {
		devc->cur_mq = SR_MQ_FREQUENCY;
		devc->cur_unit = SR_UNIT_HERTZ;
		devc->cur_mqflags = 0;
		devc->cur_divider = 0;
	} else if(!strcmp(mstr, "RES")) {
		if (devc->mode_continuity) {
			devc->cur_mq = SR_MQ_CONTINUITY;
			devc->cur_unit = SR_UNIT_BOOLEAN;
		} else {
			devc->cur_mq = SR_MQ_RESISTANCE;
			devc->cur_unit = SR_UNIT_OHM;
		}
		devc->cur_mqflags = 0;
		devc->cur_divider = 0;
	} else if(!strcmp(mstr, "CAP")) {
		devc->cur_mq = SR_MQ_CAPACITANCE;
		devc->cur_unit = SR_UNIT_FARAD;
		devc->cur_mqflags = 0;
		devc->cur_divider = 0;
	} else if(!strcmp(mstr, "DIOD")) {
		devc->cur_mq = SR_MQ_VOLTAGE;
		devc->cur_unit = SR_UNIT_VOLT;
		devc->cur_mqflags = SR_MQFLAG_DIODE;
		devc->cur_divider = 0;
	} else
		sr_dbg("agilent-dmm: unknown first argument");
	g_free(mstr);

	if (g_match_info_get_match_count(match) == 3) {
		mstr = g_match_info_fetch(match, 1);
		/* Third value, if present, is always AC or DC. */
		if (!strcmp(mstr, "AC"))
			devc->cur_mqflags |= SR_MQFLAG_AC;
		else if (!strcmp(mstr, "DC"))
			devc->cur_mqflags |= SR_MQFLAG_DC;
		else
			sr_dbg("agilent-dmm: unknown third argument");
		g_free(mstr);
	} else
		devc->cur_mqflags &= ~(SR_MQFLAG_AC | SR_MQFLAG_DC);

	return SR_OK;
}

SR_PRIV int agdmm_switch_recv(const struct sr_dev_inst *sdi, GMatchInfo *match)
{

	(void)sdi;

	sr_spew("got switch '%s'",  g_match_info_get_string(match));

	return SR_OK;
}


SR_PRIV const struct agdmm_job u123x_jobs[] = {
	{ 1000, agdmm_ident_send },
	{ 143, agdmm_stat_send },
	{ 1000, agdmm_conf_send },
	{ 143, agdmm_fetc_send },
	{ 0, NULL }
};

SR_PRIV const struct agdmm_recv u123x_recvs[] = {
	{ "^\"(\\d\\d.{18}\\d)\"$", agdmm_stat_recv },
	{ "^\\*([0-9])$", agdmm_switch_recv },
	{ "^([-+][0-9]\\.[0-9]{8}E[-+][0-9]{2})$", agdmm_fetc_recv },
	{ "^\"(V|MV|A|UA|FREQ),(\\d),(AC|DC)\"$", agdmm_conf_recv },
	{ "^\"(RES|CAP),(\\d)\"$", agdmm_conf_recv },
	{ "^\"(DIOD)\"$", agdmm_conf_recv },
	{ NULL, NULL }
};
Commit	Line	Data
e93cdf42 BV	1	/*
	2	* This file is part of the sigrok 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 <glib.h>
	21	#include "libsigrok.h"
	22	#include "libsigrok-internal.h"
	23	#include "config.h"
	24	#include "agilent-dmm.h"
	25	#include <stdlib.h>
	26	#include <string.h>
	27	#include <errno.h>
	28	#include <math.h>
	29
	30
	31	static void dispatch(const struct sr_dev_inst *sdi)
	32	{
	33	struct dev_context *devc;
	34	const struct agdmm_job *jobs;
	35	int64_t now;
	36	int i;
	37
	38	devc = sdi->priv;
	39	jobs = devc->profile->jobs;
	40	now = g_get_monotonic_time() / 1000;
	41	for (i = 0; (&jobs[i])->interval; i++) {
	42	if (now - devc->jobqueue[i] > (&jobs[i])->interval) {
	43	sr_spew("agilent-dmm: running job %d", i);
	44	(&jobs[i])->send(sdi);
	45	devc->jobqueue[i] = now;
	46	}
	47	}
	48
	49	}
	50
	51	static void receive_line(const struct sr_dev_inst *sdi)
	52	{
	53	struct dev_context *devc;
	54	const struct agdmm_recv recvs, recv;
	55	GRegex *reg;
	56	GMatchInfo *match;
	57	int i;
	58
	59	devc = sdi->priv;
	60
	61	/* Strip CRLF */
	62	while (devc->buflen) {
	63	if (*(devc->buf + devc->buflen - 1) == '\r'
	64	\|\| *(devc->buf + devc->buflen - 1) == '\n')
65	*(devc->buf + --devc->buflen) = '\0';
66	else
67	break;
68	}
69	sr_spew("agilent-dmm: received '%s'", devc->buf);
70
71	recv = NULL;
72	recvs = devc->profile->recvs;
73	for (i = 0; (&recvs[i])->recv_regex; i++) {
74	reg = g_regex_new((&recvs[i])->recv_regex, 0, 0, NULL);
75	if (g_regex_match(reg, (char *)devc->buf, 0, &match)) {
76	recv = &recvs[i];
77	break;
78	}
79	g_match_info_unref(match);
80	g_regex_unref(reg);
81	}
82	if (recv) {
83	recv->recv(sdi, match);
84	g_match_info_unref(match);
85	g_regex_unref(reg);
86	}
87
88	/* Done with this. */
89	devc->buflen = 0;
90
91	}
92
93	SR_PRIV int agdmm_receive_data(int fd, int revents, void *cb_data)
94	{
95	const struct sr_dev_inst *sdi;
96	struct dev_context *devc;
97	int len;
98
99	if (!(sdi = cb_data))
100	return TRUE;
101
102	if (!(devc = sdi->priv))
103	return TRUE;
104
105	if (revents == G_IO_IN) {
106	/* Serial data arrived. */
107	len = AGDMM_BUFSIZE - devc->buflen - 1;
108	if (len > 0) {
109	len = serial_read(fd, devc->buf + devc->buflen, len);
110	if (len > 0) {
111	devc->buflen += len;
112	*(devc->buf + devc->buflen) = '\0';
113	if (devc->buflen > 0 && *(devc->buf + devc->buflen - 1) == '\n')
114	/* End of line */
115	receive_line(sdi);
116	}
117	}
118	}
119
120	dispatch(sdi);
121
122	if (devc->num_samples >= devc->limit_samples)
123	sdi->driver->dev_acquisition_stop(sdi, cb_data);
124
125	return TRUE;
126	}
127
128	static int agdmm_send(const struct sr_dev_inst sdi, const char cmd)
129	{
130	struct dev_context *devc;
131	char buf[32];
132
133	devc = sdi->priv;
134	sr_spew("agilent-dmm: sending '%s'", cmd);
135	strncpy(buf, cmd, 28);
136	if (!strncmp(buf, "*IDN?", 5))
137	strncat(buf, "\r\n", 32);
138	else
139	strncat(buf, "\n\r\n", 32);
140	if (serial_write(devc->serial->fd, buf, strlen(buf)) == -1) {
141	sr_err("agilent-dmm: failed to send: %s", strerror(errno));
142	return SR_ERR;
143	}
144
145	return SR_OK;
146	}
147
148	static int agdmm_ident_send(const struct sr_dev_inst *sdi)
149	{
150
151	return agdmm_send(sdi, "*IDN?");
152	}
153
154	static int agdmm_ident_recv(const struct sr_dev_inst sdi, GMatchInfo match)
155	{
156
157	(void)sdi;
158
159	sr_spew("got ident '%s'", g_match_info_get_string(match));
160
161	return SR_OK;
162	}
163
164	static int agdmm_stat_send(const struct sr_dev_inst *sdi)
165	{
166
167	return agdmm_send(sdi, "STAT?");
168	}
169
170	static int agdmm_stat_recv(const struct sr_dev_inst sdi, GMatchInfo match)
171	{
e6b021f3 BV	172	struct dev_context *devc;
	173	char *s;
	174
	175	devc = sdi->priv;
	176	s = g_match_info_fetch(match, 1);
	177	sr_spew("got stat '%s'", s);
	178
	179	/* Max, Min or Avg mode -- no way to tell which, so we'll
	180	* set both flags to denote it's not a normal measurement. */
	181	if (s[0] == '1')
	182	devc->cur_mqflags \|= SR_MQFLAG_MAX \| SR_MQFLAG_MIN;
	183	else
	184	devc->cur_mqflags &= ~(SR_MQFLAG_MAX \| SR_MQFLAG_MIN);
e93cdf42	185
e6b021f3 BV	186	if (s[1] == '1')
	187	devc->cur_mqflags \|= SR_MQFLAG_RELATIVE;
	188	else
	189	devc->cur_mqflags &= ~SR_MQFLAG_RELATIVE;
	190
	191	/* Triggered or auto hold modes. */
	192	if (s[2] == '1' \|\| s[3] == '1')
	193	devc->cur_mqflags \|= SR_MQFLAG_HOLD;
	194	else
	195	devc->cur_mqflags &= ~SR_MQFLAG_HOLD;
	196
	197	/* Temp/aux mode. */
	198	if (s[7] == '1')
	199	devc->mode_tempaux = TRUE;
	200	else
	201	devc->mode_tempaux = FALSE;
	202
	203	/* Continuity mode. */
	204	if (s[16] == '1')
	205	devc->mode_continuity = TRUE;
	206	else
	207	devc->mode_continuity = FALSE;
	208
	209	g_free(s);
e93cdf42 BV	210
	211	return SR_OK;
	212	}
	213
	214	SR_PRIV int agdmm_fetc_send(const struct sr_dev_inst *sdi)
	215	{
	216
	217	return agdmm_send(sdi, "FETC?");
	218	}
	219
	220	SR_PRIV int agdmm_fetc_recv(const struct sr_dev_inst sdi, GMatchInfo match)
	221	{
	222	struct dev_context *devc;
	223	struct sr_datafeed_packet packet;
	224	struct sr_datafeed_analog analog;
	225	float fvalue;
	226	char mstr, eptr;
	227
	228	sr_spew("agilent-dmm: FETC reply '%s'", g_match_info_get_string(match));
	229	devc = sdi->priv;
	230
	231	if (devc->cur_mq == -1)
	232	/* Haven't seen configuration yet, so can't know what
	233	* the fetched float means. Not really an error, we'll
	234	* get metadata soon enough. */
	235	return SR_OK;
	236
	237	if (!strcmp(g_match_info_get_string(match), "+9.90000000E+37")) {
	238	/* An invalid measurement shows up on the display as "O.L, but
	239	* comes through like this. Since comparing 38-digit floats
	240	* is rather problematic, we'll cut through this here. */
	241	fvalue = NAN;
	242	} else {
	243	mstr = g_match_info_fetch(match, 1);
	244	fvalue = strtof(mstr, &eptr);
	245	g_free(mstr);
	246	if (fvalue == 0.0 && eptr == mstr) {
	247	sr_err("agilent-dmm: invalid float");
	248	return SR_ERR;
	249	}
	250	if (devc->cur_divider > 0)
	251	fvalue /= devc->cur_divider;
	252	}
	253
	254	memset(&analog, 0, sizeof(struct sr_datafeed_analog));
	255	analog.mq = devc->cur_mq;
e6b021f3 BV	256	analog.unit = devc->cur_unit;
e6b021f3 BV	257	analog.mqflags = devc->cur_mqflags;
e93cdf42 BV	258	analog.num_samples = 1;
	259	analog.data = &fvalue;
	260	packet.type = SR_DF_ANALOG;
	261	packet.payload = &analog;
	262	sr_session_send(devc->cb_data, &packet);
	263
	264	devc->num_samples++;
	265
	266	return SR_OK;
	267	}
	268
	269	SR_PRIV int agdmm_conf_send(const struct sr_dev_inst *sdi)
	270	{
	271
	272	return agdmm_send(sdi, "CONF?");
	273	}
	274
	275	SR_PRIV int agdmm_conf_recv(const struct sr_dev_inst sdi, GMatchInfo match)
	276	{
	277	struct dev_context *devc;
	278	char *mstr;
	279
	280	sr_spew("got conf '%s'", g_match_info_get_string(match));
	281	devc = sdi->priv;
	282	mstr = g_match_info_fetch(match, 1);
	283	if (!strcmp(mstr, "V")) {
	284	devc->cur_mq = SR_MQ_VOLTAGE;
e6b021f3 BV	285	devc->cur_unit = SR_UNIT_VOLT;
e6b021f3 BV	286	devc->cur_mqflags = 0;
e93cdf42 BV	287	devc->cur_divider = 0;
e93cdf42 BV	288	} else if(!strcmp(mstr, "MV")) {
e6b021f3 BV	289	if (devc->mode_tempaux) {
	290	devc->cur_mq = SR_MQ_TEMPERATURE;
	291	/* No way to detect whether Fahrenheit or Celcius
	292	* is used, so we'll just default to Celcius. */
	293	devc->cur_unit = SR_UNIT_CELSIUS;
	294	devc->cur_mqflags = 0;
	295	devc->cur_divider = 0;
	296	} else {
	297	devc->cur_mq = SR_MQ_VOLTAGE;
	298	devc->cur_unit = SR_UNIT_VOLT;
	299	devc->cur_mqflags = 0;
	300	devc->cur_divider = 1000;
	301	}
e93cdf42 BV	302	} else if(!strcmp(mstr, "A")) {
e93cdf42 BV	303	devc->cur_mq = SR_MQ_CURRENT;
e6b021f3 BV	304	devc->cur_unit = SR_UNIT_AMPERE;
e6b021f3 BV	305	devc->cur_mqflags = 0;
e93cdf42 BV	306	devc->cur_divider = 0;
	307	} else if(!strcmp(mstr, "UA")) {
	308	devc->cur_mq = SR_MQ_CURRENT;
e6b021f3 BV	309	devc->cur_unit = SR_UNIT_AMPERE;
e6b021f3 BV	310	devc->cur_mqflags = 0;
e93cdf42 BV	311	devc->cur_divider = 1000000;
	312	} else if(!strcmp(mstr, "FREQ")) {
	313	devc->cur_mq = SR_MQ_FREQUENCY;
e6b021f3 BV	314	devc->cur_unit = SR_UNIT_HERTZ;
e6b021f3 BV	315	devc->cur_mqflags = 0;
e93cdf42 BV	316	devc->cur_divider = 0;
e93cdf42 BV	317	} else if(!strcmp(mstr, "RES")) {
e6b021f3 BV	318	if (devc->mode_continuity) {
	319	devc->cur_mq = SR_MQ_CONTINUITY;
	320	devc->cur_unit = SR_UNIT_BOOLEAN;
	321	} else {
	322	devc->cur_mq = SR_MQ_RESISTANCE;
	323	devc->cur_unit = SR_UNIT_OHM;
	324	}
	325	devc->cur_mqflags = 0;
e93cdf42 BV	326	devc->cur_divider = 0;
	327	} else if(!strcmp(mstr, "CAP")) {
	328	devc->cur_mq = SR_MQ_CAPACITANCE;
e6b021f3 BV	329	devc->cur_unit = SR_UNIT_FARAD;
e6b021f3 BV	330	devc->cur_mqflags = 0;
e93cdf42 BV	331	devc->cur_divider = 0;
	332	} else if(!strcmp(mstr, "DIOD")) {
	333	devc->cur_mq = SR_MQ_VOLTAGE;
e6b021f3 BV	334	devc->cur_unit = SR_UNIT_VOLT;
e6b021f3 BV	335	devc->cur_mqflags = SR_MQFLAG_DIODE;
e93cdf42 BV	336	devc->cur_divider = 0;
	337	} else
	338	sr_dbg("agilent-dmm: unknown first argument");
	339	g_free(mstr);
	340
	341	if (g_match_info_get_match_count(match) == 3) {
	342	mstr = g_match_info_fetch(match, 1);
	343	/* Third value, if present, is always AC or DC. */
	344	if (!strcmp(mstr, "AC"))
e6b021f3	345	devc->cur_mqflags \|= SR_MQFLAG_AC;
e93cdf42	346	else if (!strcmp(mstr, "DC"))
e6b021f3	347	devc->cur_mqflags \|= SR_MQFLAG_DC;
e93cdf42 BV	348	else
	349	sr_dbg("agilent-dmm: unknown third argument");
	350	g_free(mstr);
e6b021f3 BV	351	} else
e6b021f3 BV	352	devc->cur_mqflags &= ~(SR_MQFLAG_AC \| SR_MQFLAG_DC);
e93cdf42 BV	353
	354	return SR_OK;
	355	}
	356
	357	SR_PRIV int agdmm_switch_recv(const struct sr_dev_inst sdi, GMatchInfo match)
	358	{
	359
	360	(void)sdi;
	361
	362	sr_spew("got switch '%s'", g_match_info_get_string(match));
	363
	364	return SR_OK;
	365	}
	366
	367
	368	SR_PRIV const struct agdmm_job u123x_jobs[] = {
	369	{ 1000, agdmm_ident_send },
	370	{ 143, agdmm_stat_send },
	371	{ 1000, agdmm_conf_send },
	372	{ 143, agdmm_fetc_send },
	373	{ 0, NULL }
	374	};
	375
	376	SR_PRIV const struct agdmm_recv u123x_recvs[] = {
	377	{ "^\"(\\d\\d.{18}\\d)\"$", agdmm_stat_recv },
	378	{ "^\\*([0-9])$", agdmm_switch_recv },
	379	{ "^([-+][0-9]\\.[0-9]{8}E[-+][0-9]{2})$", agdmm_fetc_recv },
	380	{ "^\"(V\|MV\|A\|UA\|FREQ),(\\d),(AC\|DC)\"$", agdmm_conf_recv },
	381	{ "^\"(RES\|CAP),(\\d)\"$", agdmm_conf_recv },
	382	{ "^\"(DIOD)\"$", agdmm_conf_recv },
	383	{ NULL, NULL }
	384	};
	385
	386