[libsigrok.git] / src / hardware / agilent-dmm / api.c

/*
 * This file is part of the libsigrok 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 <config.h>
#include <glib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
#include "protocol.h"

static const uint32_t scanopts[] = {
	SR_CONF_CONN,
	SR_CONF_SERIALCOMM,
};

static const uint32_t drvopts[] = {
	SR_CONF_MULTIMETER,
};

static const uint32_t devopts[] = {
	SR_CONF_CONTINUOUS,
	SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
};

static const uint64_t samplerates[] = {
	SR_HZ(1),
	SR_HZ(20),
	SR_HZ(1),
};

static const char *data_sources[] = {
	"Live",
	"Log-Hand",
	"Log-Trig",
	"Log-Auto",
	"Log-Export",
};

extern const struct agdmm_job agdmm_jobs_live[];
extern const struct agdmm_job agdmm_jobs_log[];
extern const struct agdmm_recv agdmm_recvs_u123x[];
extern const struct agdmm_recv agdmm_recvs_u124x[];
extern const struct agdmm_recv agdmm_recvs_u124xc[];
extern const struct agdmm_recv agdmm_recvs_u125x[];
extern const struct agdmm_recv agdmm_recvs_u128x[];

/* This works on all the Agilent U12xxA series, although the
 * U127xA can apparently also run at 19200/8n1. */
#define SERIALCOMM "9600/8n1"

static const struct agdmm_profile supported_agdmm[] = {
	{ AGILENT_U1231, "U1231A", 1, agdmm_jobs_live, NULL, agdmm_recvs_u123x },
	{ AGILENT_U1232, "U1232A", 1, agdmm_jobs_live, NULL, agdmm_recvs_u123x },
	{ AGILENT_U1233, "U1233A", 1, agdmm_jobs_live, NULL, agdmm_recvs_u123x },

	{ AGILENT_U1241, "U1241A", 2, agdmm_jobs_live, NULL, agdmm_recvs_u124x },
	{ AGILENT_U1242, "U1242A", 2, agdmm_jobs_live, NULL, agdmm_recvs_u124x },
	{ AGILENT_U1241, "U1241B", 2, agdmm_jobs_live, NULL, agdmm_recvs_u124x },
	{ AGILENT_U1242, "U1242B", 2, agdmm_jobs_live, NULL, agdmm_recvs_u124x },

	{ KEYSIGHT_U1241C, "U1241C", 2, agdmm_jobs_live, agdmm_jobs_log, agdmm_recvs_u124xc },
	{ KEYSIGHT_U1242C, "U1242C", 2, agdmm_jobs_live, agdmm_jobs_log, agdmm_recvs_u124xc },

	{ AGILENT_U1251, "U1251A", 3, agdmm_jobs_live, NULL, agdmm_recvs_u125x },
	{ AGILENT_U1252, "U1252A", 3, agdmm_jobs_live, NULL, agdmm_recvs_u125x },
	{ AGILENT_U1253, "U1253A", 3, agdmm_jobs_live, NULL, agdmm_recvs_u125x },
	{ AGILENT_U1251, "U1251B", 3, agdmm_jobs_live, NULL, agdmm_recvs_u125x },
	{ AGILENT_U1252, "U1252B", 3, agdmm_jobs_live, NULL, agdmm_recvs_u125x },
	{ AGILENT_U1253, "U1253B", 3, agdmm_jobs_live, NULL, agdmm_recvs_u125x },

	{ KEYSIGHT_U1281, "U1281A", 3, agdmm_jobs_live, agdmm_jobs_log, agdmm_recvs_u128x },
	{ KEYSIGHT_U1282, "U1282A", 3, agdmm_jobs_live, agdmm_jobs_log, agdmm_recvs_u128x },
	ALL_ZERO
};

static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
	struct sr_dev_inst *sdi;
	struct dev_context *devc;
	struct sr_config *src;
	struct sr_serial_dev_inst *serial;
	GSList *l, *devices;
	int len, i;
	const char *conn, *serialcomm;
	char *buf, **tokens;

	devices = NULL;
	conn = serialcomm = NULL;
	for (l = options; l; l = l->next) {
		src = l->data;
		switch (src->key) {
		case SR_CONF_CONN:
			conn = g_variant_get_string(src->data, NULL);
			break;
		case SR_CONF_SERIALCOMM:
			serialcomm = g_variant_get_string(src->data, NULL);
			break;
		}
	}
	if (!conn)
		return NULL;
	if (!serialcomm)
		serialcomm = SERIALCOMM;

	serial = sr_serial_dev_inst_new(conn, serialcomm);

	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
		return NULL;

	serial_flush(serial);
	if (serial_write_blocking(serial, "*IDN?\r\n", 7, SERIAL_WRITE_TIMEOUT_MS) < 7) {
		sr_err("Unable to send identification string.");
		return NULL;
	}

	len = 128;
	buf = g_malloc(len);
	serial_readline(serial, &buf, &len, 250);
	if (!len)
		return NULL;

	tokens = g_strsplit(buf, ",", 4);
	if ((!strcmp("Agilent Technologies", tokens[0]) ||
	     !strcmp("Keysight Technologies", tokens[0]))
			&& tokens[1] && tokens[2] && tokens[3]) {
		for (i = 0; supported_agdmm[i].model; i++) {
			if (strcmp(supported_agdmm[i].modelname, tokens[1]))
				continue;
			sdi = g_malloc0(sizeof(struct sr_dev_inst));
			sdi->status = SR_ST_INACTIVE;
			sdi->vendor = g_strdup(tokens[0][0] == 'A' ? "Agilent" : "Keysight");
			sdi->model = g_strdup(tokens[1]);
			sdi->version = g_strdup(tokens[3]);
			devc = g_malloc0(sizeof(struct dev_context));
			sr_sw_limits_init(&devc->limits);
			devc->profile = &supported_agdmm[i];
			devc->data_source = DEFAULT_DATA_SOURCE;
			devc->cur_samplerate = 5;
			if (supported_agdmm[i].nb_channels > 1) {
				int temp_chan = supported_agdmm[i].nb_channels - 1;
				devc->cur_mq[temp_chan] = SR_MQ_TEMPERATURE;
				devc->cur_unit[temp_chan] = SR_UNIT_CELSIUS;
				devc->cur_digits[temp_chan] = 1;
				devc->cur_encoding[temp_chan] = 2;
			}
			sdi->inst_type = SR_INST_SERIAL;
			sdi->conn = serial;
			sdi->priv = devc;
			sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
			if (supported_agdmm[i].nb_channels > 1)
				sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "P2");
			if (supported_agdmm[i].nb_channels > 2)
				sr_channel_new(sdi, 2, SR_CHANNEL_ANALOG, TRUE, "P3");
			devices = g_slist_append(devices, sdi);
			break;
		}
	}
	g_strfreev(tokens);
	g_free(buf);

	serial_close(serial);
	if (!devices)
		sr_serial_dev_inst_free(serial);

	return std_scan_complete(di, devices);
}

static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	struct dev_context *devc;
	int ret;

	(void)cg;

	devc = sdi->priv;

	ret = SR_OK;
	switch (key) {
	case SR_CONF_SAMPLERATE:
		*data = g_variant_new_uint64(devc->cur_samplerate);
		break;
	case SR_CONF_LIMIT_SAMPLES:
	case SR_CONF_LIMIT_MSEC:
		ret = sr_sw_limits_config_get(&devc->limits, key, data);
		break;
	case SR_CONF_DATA_SOURCE:
		*data = g_variant_new_string(data_sources[devc->data_source]);
		break;
	default:
		return SR_ERR_NA;
	}

	return ret;
}

static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	struct dev_context *devc;
	uint64_t samplerate;
	const char *tmp_str;
	unsigned int i;
	int ret;

	(void)cg;

	devc = sdi->priv;

	ret = SR_OK;
	switch (key) {
	case SR_CONF_SAMPLERATE:
		samplerate = g_variant_get_uint64(data);
		if (samplerate < samplerates[0] || samplerate > samplerates[1])
			ret = SR_ERR_ARG;
		else
			devc->cur_samplerate = g_variant_get_uint64(data);
		break;
	case SR_CONF_LIMIT_SAMPLES:
	case SR_CONF_LIMIT_MSEC:
		ret = sr_sw_limits_config_set(&devc->limits, key, data);
		break;
	case SR_CONF_DATA_SOURCE: {
		tmp_str = g_variant_get_string(data, NULL);
		for (i = 0; i < ARRAY_SIZE(data_sources); i++)
			if (!strcmp(tmp_str, data_sources[i])) {
				devc->data_source = i;
				break;
			}
		if (i == ARRAY_SIZE(data_sources))
			return SR_ERR;
		break;
	}
	default:
		ret = SR_ERR_NA;
	}

	return ret;
}

static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	GVariant *gvar;
	GVariantBuilder gvb;

	if (key == SR_CONF_SCAN_OPTIONS) {
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
		return SR_OK;
	}

	if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
		return SR_OK;
	}

	if (!sdi || cg)
		return SR_ERR_ARG;

	switch (key) {
	case SR_CONF_DEVICE_OPTIONS:
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
		break;
	case SR_CONF_SAMPLERATE:
		g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
		gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates,
				ARRAY_SIZE(samplerates), sizeof(uint64_t));
		g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar);
		*data = g_variant_builder_end(&gvb);
		break;
	case SR_CONF_DATA_SOURCE:
		*data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
	struct dev_context *devc = sdi->priv;
	struct sr_serial_dev_inst *serial;

	devc->cur_channel = sr_next_enabled_channel(sdi, NULL);
	devc->cur_conf = sr_next_enabled_channel(sdi, NULL);
	devc->cur_sample = 1;
	devc->cur_mq[0] = -1;
	if (devc->profile->nb_channels > 2)
		devc->cur_mq[1] = -1;

	if (devc->data_source == DATA_SOURCE_LIVE) {
		devc->jobs = devc->profile->jobs_live;
	} else {
		devc->jobs = devc->profile->jobs_log;
		if (!devc->jobs) {
			sr_err("Log data source is not implemented for this model.");
			return SR_ERR_NA;
		}
		if (!((struct sr_channel *)sdi->channels->data)->enabled) {
			sr_err("Log data is only available for channel P1.");
			return SR_ERR_NA;
		}
	}

	sr_sw_limits_acquisition_start(&devc->limits);
	std_session_send_df_header(sdi);

	/* Poll every 10ms, or whenever some data comes in. */
	serial = sdi->conn;
	serial_source_add(sdi->session, serial, G_IO_IN, 10,
			agdmm_receive_data, (void *)sdi);

	return SR_OK;
}

static struct sr_dev_driver agdmm_driver_info = {
	.name = "agilent-dmm",
	.longname = "Agilent U12xx series DMMs",
	.api_version = 1,
	.init = std_init,
	.cleanup = std_cleanup,
	.scan = scan,
	.dev_list = std_dev_list,
	.dev_clear = NULL,
	.config_get = config_get,
	.config_set = config_set,
	.config_list = config_list,
	.dev_open = std_serial_dev_open,
	.dev_close = std_serial_dev_close,
	.dev_acquisition_start = dev_acquisition_start,
	.dev_acquisition_stop = std_serial_dev_acquisition_stop,
	.context = NULL,
};
SR_REGISTER_DEV_DRIVER(agdmm_driver_info);
Commit	Line	Data
e93cdf42	1	/*
50985c20	2	* This file is part of the libsigrok project.
e93cdf42 BV	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
6ec6c43b	20	#include <config.h>
e93cdf42	21	#include <glib.h>
e93cdf42 BV	22	#include <sys/types.h>
	23	#include <sys/stat.h>
	24	#include <fcntl.h>
	25	#include <string.h>
c1aae900	26	#include <libsigrok/libsigrok.h>
6f22a8ef	27	#include "libsigrok-internal.h"
6cf1a87b	28	#include "protocol.h"
e93cdf42	29
a0e0bb41	30	static const uint32_t scanopts[] = {
1953564a BV	31	SR_CONF_CONN,
1953564a BV	32	SR_CONF_SERIALCOMM,
e93cdf42 BV	33	};
e93cdf42 BV	34
f9dada0b	35	static const uint32_t drvopts[] = {
1953564a	36	SR_CONF_MULTIMETER,
f9dada0b BV	37	};
	38
	39	static const uint32_t devopts[] = {
e91bb0a6	40	SR_CONF_CONTINUOUS,
6ace179e AJ	41	SR_CONF_LIMIT_SAMPLES \| SR_CONF_GET \| SR_CONF_SET,
6ace179e AJ	42	SR_CONF_LIMIT_MSEC \| SR_CONF_GET \| SR_CONF_SET,
b907d62f	43	SR_CONF_SAMPLERATE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
63bb11ba	44	SR_CONF_DATA_SOURCE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
b907d62f AJ	45	};
	46
	47	static const uint64_t samplerates[] = {
	48	SR_HZ(1),
	49	SR_HZ(20),
	50	SR_HZ(1),
e93cdf42 BV	51	};
e93cdf42 BV	52
63bb11ba AJ	53	static const char *data_sources[] = {
	54	"Live",
	55	"Log-Hand",
	56	"Log-Trig",
	57	"Log-Auto",
	58	"Log-Export",
	59	};
	60
	61	extern const struct agdmm_job agdmm_jobs_live[];
	62	extern const struct agdmm_job agdmm_jobs_log[];
8c0152f2	63	extern const struct agdmm_recv agdmm_recvs_u123x[];
4edba404	64	extern const struct agdmm_recv agdmm_recvs_u124x[];
0ceb7038	65	extern const struct agdmm_recv agdmm_recvs_u124xc[];
8c0152f2	66	extern const struct agdmm_recv agdmm_recvs_u125x[];
43185ed3	67	extern const struct agdmm_recv agdmm_recvs_u128x[];
e93cdf42	68
74ac7d7f BV	69	/* This works on all the Agilent U12xxA series, although the
	70	* U127xA can apparently also run at 19200/8n1. */
	71	#define SERIALCOMM "9600/8n1"
	72
e93cdf42	73	static const struct agdmm_profile supported_agdmm[] = {
63bb11ba AJ	74	{ AGILENT_U1231, "U1231A", 1, agdmm_jobs_live, NULL, agdmm_recvs_u123x },
	75	{ AGILENT_U1232, "U1232A", 1, agdmm_jobs_live, NULL, agdmm_recvs_u123x },
	76	{ AGILENT_U1233, "U1233A", 1, agdmm_jobs_live, NULL, agdmm_recvs_u123x },
	77
	78	{ AGILENT_U1241, "U1241A", 2, agdmm_jobs_live, NULL, agdmm_recvs_u124x },
	79	{ AGILENT_U1242, "U1242A", 2, agdmm_jobs_live, NULL, agdmm_recvs_u124x },
	80	{ AGILENT_U1241, "U1241B", 2, agdmm_jobs_live, NULL, agdmm_recvs_u124x },
	81	{ AGILENT_U1242, "U1242B", 2, agdmm_jobs_live, NULL, agdmm_recvs_u124x },
	82
0ceb7038 AJ	83	{ KEYSIGHT_U1241C, "U1241C", 2, agdmm_jobs_live, agdmm_jobs_log, agdmm_recvs_u124xc },
	84	{ KEYSIGHT_U1242C, "U1242C", 2, agdmm_jobs_live, agdmm_jobs_log, agdmm_recvs_u124xc },
	85
63bb11ba AJ	86	{ AGILENT_U1251, "U1251A", 3, agdmm_jobs_live, NULL, agdmm_recvs_u125x },
	87	{ AGILENT_U1252, "U1252A", 3, agdmm_jobs_live, NULL, agdmm_recvs_u125x },
	88	{ AGILENT_U1253, "U1253A", 3, agdmm_jobs_live, NULL, agdmm_recvs_u125x },
	89	{ AGILENT_U1251, "U1251B", 3, agdmm_jobs_live, NULL, agdmm_recvs_u125x },
	90	{ AGILENT_U1252, "U1252B", 3, agdmm_jobs_live, NULL, agdmm_recvs_u125x },
	91	{ AGILENT_U1253, "U1253B", 3, agdmm_jobs_live, NULL, agdmm_recvs_u125x },
	92
	93	{ KEYSIGHT_U1281, "U1281A", 3, agdmm_jobs_live, agdmm_jobs_log, agdmm_recvs_u128x },
	94	{ KEYSIGHT_U1282, "U1282A", 3, agdmm_jobs_live, agdmm_jobs_log, agdmm_recvs_u128x },
f857bd92	95	ALL_ZERO
e93cdf42 BV	96	};
e93cdf42 BV	97
4f840ce9	98	static GSList scan(struct sr_dev_driver di, GSList *options)
e93cdf42 BV	99	{
e93cdf42 BV	100	struct sr_dev_inst *sdi;
e93cdf42	101	struct dev_context *devc;
1987b8d6	102	struct sr_config *src;
109a3ba4	103	struct sr_serial_dev_inst *serial;
e93cdf42	104	GSList l, devices;
109a3ba4	105	int len, i;
e93cdf42 BV	106	const char conn, serialcomm;
	107	char buf, *tokens;
	108
e93cdf42 BV	109	devices = NULL;
	110	conn = serialcomm = NULL;
	111	for (l = options; l; l = l->next) {
1987b8d6 BV	112	src = l->data;
1987b8d6 BV	113	switch (src->key) {
1953564a	114	case SR_CONF_CONN:
e44ac12a	115	conn = g_variant_get_string(src->data, NULL);
e93cdf42	116	break;
1953564a	117	case SR_CONF_SERIALCOMM:
e44ac12a	118	serialcomm = g_variant_get_string(src->data, NULL);
e93cdf42 BV	119	break;
	120	}
	121	}
74ac7d7f	122	if (!conn)
e93cdf42	123	return NULL;
109a3ba4 BV	124	if (!serialcomm)
109a3ba4 BV	125	serialcomm = SERIALCOMM;
e93cdf42	126
91219afc	127	serial = sr_serial_dev_inst_new(conn, serialcomm);
e93cdf42	128
64c536be	129	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
e93cdf42	130	return NULL;
e93cdf42	131
109a3ba4	132	serial_flush(serial);
95779b43	133	if (serial_write_blocking(serial, "*IDN?\r\n", 7, SERIAL_WRITE_TIMEOUT_MS) < 7) {
081c214e	134	sr_err("Unable to send identification string.");
e93cdf42 BV	135	return NULL;
	136	}
	137
	138	len = 128;
a95f142e	139	buf = g_malloc(len);
ee2bcdfc	140	serial_readline(serial, &buf, &len, 250);
e93cdf42 BV	141	if (!len)
	142	return NULL;
	143
	144	tokens = g_strsplit(buf, ",", 4);
9ae544b6 AJ	145	if ((!strcmp("Agilent Technologies", tokens[0]) \|\|
9ae544b6 AJ	146	!strcmp("Keysight Technologies", tokens[0]))
fbf07e02	147	&& tokens[1] && tokens[2] && tokens[3]) {
e93cdf42 BV	148	for (i = 0; supported_agdmm[i].model; i++) {
	149	if (strcmp(supported_agdmm[i].modelname, tokens[1]))
	150	continue;
aac29cc1	151	sdi = g_malloc0(sizeof(struct sr_dev_inst));
0af636be	152	sdi->status = SR_ST_INACTIVE;
9ae544b6	153	sdi->vendor = g_strdup(tokens[0][0] == 'A' ? "Agilent" : "Keysight");
0af636be UH	154	sdi->model = g_strdup(tokens[1]);
0af636be UH	155	sdi->version = g_strdup(tokens[3]);
f57d8ffe	156	devc = g_malloc0(sizeof(struct dev_context));
5b6829ea	157	sr_sw_limits_init(&devc->limits);
e93cdf42	158	devc->profile = &supported_agdmm[i];
63bb11ba	159	devc->data_source = DEFAULT_DATA_SOURCE;
b907d62f	160	devc->cur_samplerate = 5;
d822726d AJ	161	if (supported_agdmm[i].nb_channels > 1) {
	162	int temp_chan = supported_agdmm[i].nb_channels - 1;
	163	devc->cur_mq[temp_chan] = SR_MQ_TEMPERATURE;
	164	devc->cur_unit[temp_chan] = SR_UNIT_CELSIUS;
	165	devc->cur_digits[temp_chan] = 1;
	166	devc->cur_encoding[temp_chan] = 2;
	167	}
fb3a1505 BV	168	sdi->inst_type = SR_INST_SERIAL;
fb3a1505 BV	169	sdi->conn = serial;
e93cdf42	170	sdi->priv = devc;
5e23fcab	171	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
d822726d AJ	172	if (supported_agdmm[i].nb_channels > 1)
	173	sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "P2");
	174	if (supported_agdmm[i].nb_channels > 2)
	175	sr_channel_new(sdi, 2, SR_CHANNEL_ANALOG, TRUE, "P3");
e93cdf42 BV	176	devices = g_slist_append(devices, sdi);
	177	break;
	178	}
	179	}
	180	g_strfreev(tokens);
	181	g_free(buf);
	182
109a3ba4 BV	183	serial_close(serial);
	184	if (!devices)
	185	sr_serial_dev_inst_free(serial);
e93cdf42	186
15a5bfe4	187	return std_scan_complete(di, devices);
e93cdf42 BV	188	}
e93cdf42 BV	189
6ace179e AJ	190	static int config_get(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	191	const struct sr_channel_group *cg)
	192	{
	193	struct dev_context *devc;
	194	int ret;
	195
	196	(void)cg;
	197
	198	devc = sdi->priv;
	199
	200	ret = SR_OK;
	201	switch (key) {
b907d62f AJ	202	case SR_CONF_SAMPLERATE:
	203	*data = g_variant_new_uint64(devc->cur_samplerate);
	204	break;
6ace179e AJ	205	case SR_CONF_LIMIT_SAMPLES:
	206	case SR_CONF_LIMIT_MSEC:
	207	ret = sr_sw_limits_config_get(&devc->limits, key, data);
	208	break;
63bb11ba AJ	209	case SR_CONF_DATA_SOURCE:
	210	*data = g_variant_new_string(data_sources[devc->data_source]);
	211	break;
6ace179e AJ	212	default:
	213	return SR_ERR_NA;
	214	}
	215
	216	return ret;
	217	}
	218
584560f1	219	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
53b4680f	220	const struct sr_channel_group *cg)
e93cdf42 BV	221	{
e93cdf42 BV	222	struct dev_context *devc;
b907d62f	223	uint64_t samplerate;
63bb11ba AJ	224	const char *tmp_str;
63bb11ba AJ	225	unsigned int i;
6ace179e	226	int ret;
e93cdf42	227
53b4680f	228	(void)cg;
8f996b89	229
b0baddef	230	devc = sdi->priv;
e93cdf42	231
6ace179e AJ	232	ret = SR_OK;
6ace179e AJ	233	switch (key) {
b907d62f AJ	234	case SR_CONF_SAMPLERATE:
	235	samplerate = g_variant_get_uint64(data);
	236	if (samplerate < samplerates[0] \|\| samplerate > samplerates[1])
	237	ret = SR_ERR_ARG;
	238	else
	239	devc->cur_samplerate = g_variant_get_uint64(data);
	240	break;
6ace179e AJ	241	case SR_CONF_LIMIT_SAMPLES:
	242	case SR_CONF_LIMIT_MSEC:
	243	ret = sr_sw_limits_config_set(&devc->limits, key, data);
	244	break;
63bb11ba AJ	245	case SR_CONF_DATA_SOURCE: {
	246	tmp_str = g_variant_get_string(data, NULL);
	247	for (i = 0; i < ARRAY_SIZE(data_sources); i++)
	248	if (!strcmp(tmp_str, data_sources[i])) {
	249	devc->data_source = i;
	250	break;
	251	}
	252	if (i == ARRAY_SIZE(data_sources))
	253	return SR_ERR;
	254	break;
	255	}
6ace179e AJ	256	default:
	257	ret = SR_ERR_NA;
	258	}
	259
	260	return ret;
e93cdf42 BV	261	}
e93cdf42 BV	262
584560f1	263	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	264	const struct sr_channel_group *cg)
a1c743fc	265	{
b907d62f AJ	266	GVariant *gvar;
	267	GVariantBuilder gvb;
	268
6ace179e	269	if (key == SR_CONF_SCAN_OPTIONS) {
584560f1	270	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
a0e0bb41	271	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
6ace179e AJ	272	return SR_OK;
	273	}
	274
	275	if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
	276	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	277	drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
	278	return SR_OK;
	279	}
	280
	281	if (!sdi \|\| cg)
	282	return SR_ERR_ARG;
	283
	284	switch (key) {
9a6517d1	285	case SR_CONF_DEVICE_OPTIONS:
6ace179e AJ	286	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
6ace179e AJ	287	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
9a6517d1	288	break;
b907d62f AJ	289	case SR_CONF_SAMPLERATE:
	290	g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
	291	gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates,
	292	ARRAY_SIZE(samplerates), sizeof(uint64_t));
	293	g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar);
	294	*data = g_variant_builder_end(&gvb);
	295	break;
63bb11ba AJ	296	case SR_CONF_DATA_SOURCE:
	297	*data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
	298	break;
a1c743fc	299	default:
bd6fbf62	300	return SR_ERR_NA;
a1c743fc BV	301	}
	302
	303	return SR_OK;
	304	}
	305
695dc859	306	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
e93cdf42	307	{
5b6829ea	308	struct dev_context *devc = sdi->priv;
fb3a1505	309	struct sr_serial_dev_inst *serial;
e93cdf42	310
d822726d AJ	311	devc->cur_channel = sr_next_enabled_channel(sdi, NULL);
d822726d AJ	312	devc->cur_conf = sr_next_enabled_channel(sdi, NULL);
63bb11ba	313	devc->cur_sample = 1;
d822726d AJ	314	devc->cur_mq[0] = -1;
	315	if (devc->profile->nb_channels > 2)
	316	devc->cur_mq[1] = -1;
	317
63bb11ba AJ	318	if (devc->data_source == DATA_SOURCE_LIVE) {
	319	devc->jobs = devc->profile->jobs_live;
	320	} else {
	321	devc->jobs = devc->profile->jobs_log;
	322	if (!devc->jobs) {
	323	sr_err("Log data source is not implemented for this model.");
	324	return SR_ERR_NA;
	325	}
	326	if (!((struct sr_channel *)sdi->channels->data)->enabled) {
	327	sr_err("Log data is only available for channel P1.");
	328	return SR_ERR_NA;
	329	}
	330	}
	331
5b6829ea	332	sr_sw_limits_acquisition_start(&devc->limits);
bee2b016	333	std_session_send_df_header(sdi);
e93cdf42	334
b907d62f	335	/* Poll every 10ms, or whenever some data comes in. */
fb3a1505	336	serial = sdi->conn;
b907d62f	337	serial_source_add(sdi->session, serial, G_IO_IN, 10,
102f1239	338	agdmm_receive_data, (void *)sdi);
e93cdf42 BV	339
	340	return SR_OK;
	341	}
	342
dd5c48a6	343	static struct sr_dev_driver agdmm_driver_info = {
e93cdf42 BV	344	.name = "agilent-dmm",
	345	.longname = "Agilent U12xx series DMMs",
	346	.api_version = 1,
c2fdcc25	347	.init = std_init,
700d6b64	348	.cleanup = std_cleanup,
6078d2c9	349	.scan = scan,
c01bf34c	350	.dev_list = std_dev_list,
a6630742	351	.dev_clear = NULL,
6ace179e	352	.config_get = config_get,
035a1078	353	.config_set = config_set,
a1c743fc	354	.config_list = config_list,
854434de	355	.dev_open = std_serial_dev_open,
bf2c987f	356	.dev_close = std_serial_dev_close,
6078d2c9	357	.dev_acquisition_start = dev_acquisition_start,
4b1a9d5d	358	.dev_acquisition_stop = std_serial_dev_acquisition_stop,
41812aca	359	.context = NULL,
e93cdf42	360	};
dd5c48a6	361	SR_REGISTER_DEV_DRIVER(agdmm_driver_info);