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

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2013 Matthias Heidbrink <m-sigrok@heidbrink.biz>
 *
 * 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 "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_SET,
	SR_CONF_LIMIT_MSEC | SR_CONF_SET,
};

#define BUF_MAX 50

#define SERIALCOMM "4800/8n1/dtr=1/rts=0/flow=1"

static struct sr_dev_driver norma_dmm_driver_info;
static struct sr_dev_driver siemens_b102x_driver_info;

static const char *get_brandstr(struct sr_dev_driver *drv)
{
	return (drv == &norma_dmm_driver_info) ? "Norma" : "Siemens";
}

static const char *get_typestr(int type, struct sr_dev_driver *drv)
{
	static const char *nameref[5][2] = {
		{"DM910", "B1024"},
		{"DM920", "B1025"},
		{"DM930", "B1026"},
		{"DM940", "B1027"},
		{"DM950", "B1028"},
	};

	if ((type < 1) || (type > 5))
		return "Unknown type!";

	return nameref[type - 1][(drv == &siemens_b102x_driver_info)];
}

static GSList *scan(struct sr_dev_driver *drv, 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, cnt, auxtype;
	const char *conn, *serialcomm;
	char *buf;
	char req[10];

	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;

	buf = g_malloc(BUF_MAX);

	snprintf(req, sizeof(req), "%s\r\n",
		 nmadmm_requests[NMADMM_REQ_IDN].req_str);
	g_usleep(150 * 1000); /* Wait a little to allow serial port to settle. */
	for (cnt = 0; cnt < 7; cnt++) {
		if (serial_write_blocking(serial, req, strlen(req),
				serial_timeout(serial, strlen(req))) < 0) {
			sr_err("Unable to send identification request.");
			g_free(buf);
			return NULL;
		}
		len = BUF_MAX;
		serial_readline(serial, &buf, &len, NMADMM_TIMEOUT_MS);
		if (!len)
			continue;
		buf[BUF_MAX - 1] = '\0';

		/* Match ID string, e.g. "1834 065 V1.06,IF V1.02" (DM950). */
		if (g_regex_match_simple("^1834 [^,]*,IF V*", (char *)buf, 0, 0)) {
			auxtype = xgittoint(buf[7]);
			sr_spew("%s %s DMM %s detected!", get_brandstr(drv), get_typestr(auxtype, drv), buf + 9);

			sdi = g_malloc0(sizeof(struct sr_dev_inst));
			sdi->status = SR_ST_INACTIVE;
			sdi->vendor = g_strdup(get_brandstr(drv));
			sdi->model = g_strdup(get_typestr(auxtype, drv));
			sdi->version = g_strdup(buf + 9);
			devc = g_malloc0(sizeof(struct dev_context));
			sr_sw_limits_init(&devc->limits);
			devc->type = auxtype;
			sdi->conn = serial;
			sdi->priv = devc;
			sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
			devices = g_slist_append(devices, sdi);
			break;
		}

		/*
		 * The interface of the DM9x0 contains a cap that needs to
		 * charge for up to 10s before the interface works, if not
		 * powered externally. Therefore wait a little to improve
		 * chances.
		 */
		if (cnt == 3) {
			sr_info("Waiting 5s to allow interface to settle.");
			g_usleep(5 * 1000 * 1000);
		}
	}

	g_free(buf);

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

	return std_scan_complete(drv, devices);
}

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;

	(void)cg;

	devc = sdi->priv;

	return sr_sw_limits_config_set(&devc->limits, key, data);
}

static int config_list(uint32_t key, GVariant **data,
	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
}

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

	devc = sdi->priv;

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

	serial = sdi->conn;
	serial_source_add(sdi->session, serial, G_IO_IN, 100,
			norma_dmm_receive_data, (void *)sdi);

	return SR_OK;
}

static struct sr_dev_driver norma_dmm_driver_info = {
	.name = "norma-dmm",
	.longname = "Norma DM9x0 DMMs",
	.api_version = 1,
	.init = std_init,
	.cleanup = std_cleanup,
	.scan = scan,
	.dev_list = std_dev_list,
	.dev_clear = std_dev_clear,
	.config_get = NULL,
	.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(norma_dmm_driver_info);

static struct sr_dev_driver siemens_b102x_driver_info = {
	.name = "siemens-b102x",
	.longname = "Siemens B102x DMMs",
	.api_version = 1,
	.init = std_init,
	.cleanup = std_cleanup,
	.scan = scan,
	.dev_list = std_dev_list,
	.dev_clear = std_dev_clear,
	.config_get = NULL,
	.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(siemens_b102x_driver_info);
Commit	Line	Data
	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2013 Matthias Heidbrink <m-sigrok@heidbrink.biz>
	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 "protocol.h"
	22
	23	static const uint32_t scanopts[] = {
	24	SR_CONF_CONN,
	25	SR_CONF_SERIALCOMM,
	26	};
	27
	28	static const uint32_t drvopts[] = {
	29	SR_CONF_MULTIMETER,
	30	};
	31
	32	static const uint32_t devopts[] = {
	33	SR_CONF_CONTINUOUS,
	34	SR_CONF_LIMIT_SAMPLES \| SR_CONF_SET,
	35	SR_CONF_LIMIT_MSEC \| SR_CONF_SET,
	36	};
	37
	38	#define BUF_MAX 50
	39
	40	#define SERIALCOMM "4800/8n1/dtr=1/rts=0/flow=1"
	41
	42	static struct sr_dev_driver norma_dmm_driver_info;
	43	static struct sr_dev_driver siemens_b102x_driver_info;
	44
	45	static const char get_brandstr(struct sr_dev_driver drv)
	46	{
	47	return (drv == &norma_dmm_driver_info) ? "Norma" : "Siemens";
	48	}
	49
	50	static const char get_typestr(int type, struct sr_dev_driver drv)
	51	{
	52	static const char *nameref[5][2] = {
	53	{"DM910", "B1024"},
	54	{"DM920", "B1025"},
	55	{"DM930", "B1026"},
	56	{"DM940", "B1027"},
	57	{"DM950", "B1028"},
	58	};
	59
	60	if ((type < 1) \|\| (type > 5))
	61	return "Unknown type!";
	62
	63	return nameref[type - 1][(drv == &siemens_b102x_driver_info)];
	64	}
	65
	66	static GSList scan(struct sr_dev_driver drv, GSList *options)
	67	{
	68	struct sr_dev_inst *sdi;
	69	struct dev_context *devc;
	70	struct sr_config *src;
	71	struct sr_serial_dev_inst *serial;
	72	GSList l, devices;
	73	int len, cnt, auxtype;
	74	const char conn, serialcomm;
	75	char *buf;
	76	char req[10];
	77
	78	devices = NULL;
	79	conn = serialcomm = NULL;
	80
	81	for (l = options; l; l = l->next) {
	82	src = l->data;
	83	switch (src->key) {
	84	case SR_CONF_CONN:
	85	conn = g_variant_get_string(src->data, NULL);
	86	break;
	87	case SR_CONF_SERIALCOMM:
	88	serialcomm = g_variant_get_string(src->data, NULL);
	89	break;
	90	}
	91	}
	92	if (!conn)
	93	return NULL;
	94	if (!serialcomm)
	95	serialcomm = SERIALCOMM;
	96
	97	serial = sr_serial_dev_inst_new(conn, serialcomm);
	98
	99	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	100	return NULL;
	101
	102	buf = g_malloc(BUF_MAX);
	103
	104	snprintf(req, sizeof(req), "%s\r\n",
	105	nmadmm_requests[NMADMM_REQ_IDN].req_str);
	106	g_usleep(150 * 1000); /* Wait a little to allow serial port to settle. */
	107	for (cnt = 0; cnt < 7; cnt++) {
	108	if (serial_write_blocking(serial, req, strlen(req),
	109	serial_timeout(serial, strlen(req))) < 0) {
	110	sr_err("Unable to send identification request.");
	111	g_free(buf);
	112	return NULL;
	113	}
	114	len = BUF_MAX;
	115	serial_readline(serial, &buf, &len, NMADMM_TIMEOUT_MS);
	116	if (!len)
	117	continue;
	118	buf[BUF_MAX - 1] = '\0';
	119
	120	/* Match ID string, e.g. "1834 065 V1.06,IF V1.02" (DM950). */
	121	if (g_regex_match_simple("^1834 [^,],IF V", (char *)buf, 0, 0)) {
	122	auxtype = xgittoint(buf[7]);
	123	sr_spew("%s %s DMM %s detected!", get_brandstr(drv), get_typestr(auxtype, drv), buf + 9);
	124
	125	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	126	sdi->status = SR_ST_INACTIVE;
	127	sdi->vendor = g_strdup(get_brandstr(drv));
	128	sdi->model = g_strdup(get_typestr(auxtype, drv));
	129	sdi->version = g_strdup(buf + 9);
	130	devc = g_malloc0(sizeof(struct dev_context));
	131	sr_sw_limits_init(&devc->limits);
	132	devc->type = auxtype;
	133	sdi->conn = serial;
	134	sdi->priv = devc;
	135	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
	136	devices = g_slist_append(devices, sdi);
	137	break;
	138	}
	139
	140	/*
	141	* The interface of the DM9x0 contains a cap that needs to
	142	* charge for up to 10s before the interface works, if not
	143	* powered externally. Therefore wait a little to improve
	144	* chances.
	145	*/
	146	if (cnt == 3) {
	147	sr_info("Waiting 5s to allow interface to settle.");
	148	g_usleep(5 * 1000 * 1000);
	149	}
	150	}
	151
	152	g_free(buf);
	153
	154	serial_close(serial);
	155	if (!devices)
	156	sr_serial_dev_inst_free(serial);
	157
	158	return std_scan_complete(drv, devices);
	159	}
	160
	161	static int config_set(uint32_t key, GVariant *data,
	162	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	163	{
	164	struct dev_context *devc;
	165
	166	(void)cg;
	167
	168	devc = sdi->priv;
	169
	170	return sr_sw_limits_config_set(&devc->limits, key, data);
	171	}
	172
	173	static int config_list(uint32_t key, GVariant **data,
	174	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	175	{
	176	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
	177	}
	178
	179	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	180	{
	181	struct dev_context *devc;
	182	struct sr_serial_dev_inst *serial;
	183
	184	devc = sdi->priv;
	185
	186	sr_sw_limits_acquisition_start(&devc->limits);
	187	std_session_send_df_header(sdi);
	188
	189	serial = sdi->conn;
	190	serial_source_add(sdi->session, serial, G_IO_IN, 100,
	191	norma_dmm_receive_data, (void *)sdi);
	192
	193	return SR_OK;
	194	}
	195
	196	static struct sr_dev_driver norma_dmm_driver_info = {
	197	.name = "norma-dmm",
	198	.longname = "Norma DM9x0 DMMs",
	199	.api_version = 1,
	200	.init = std_init,
	201	.cleanup = std_cleanup,
	202	.scan = scan,
	203	.dev_list = std_dev_list,
	204	.dev_clear = std_dev_clear,
	205	.config_get = NULL,
	206	.config_set = config_set,
	207	.config_list = config_list,
	208	.dev_open = std_serial_dev_open,
	209	.dev_close = std_serial_dev_close,
	210	.dev_acquisition_start = dev_acquisition_start,
	211	.dev_acquisition_stop = std_serial_dev_acquisition_stop,
	212	.context = NULL,
	213	};
	214	SR_REGISTER_DEV_DRIVER(norma_dmm_driver_info);
	215
	216	static struct sr_dev_driver siemens_b102x_driver_info = {
	217	.name = "siemens-b102x",
	218	.longname = "Siemens B102x DMMs",
	219	.api_version = 1,
	220	.init = std_init,
	221	.cleanup = std_cleanup,
	222	.scan = scan,
	223	.dev_list = std_dev_list,
	224	.dev_clear = std_dev_clear,
	225	.config_get = NULL,
	226	.config_set = config_set,
	227	.config_list = config_list,
	228	.dev_open = std_serial_dev_open,
	229	.dev_close = std_serial_dev_close,
	230	.dev_acquisition_start = dev_acquisition_start,
	231	.dev_acquisition_stop = std_serial_dev_acquisition_stop,
	232	.context = NULL,
	233	};
	234	SR_REGISTER_DEV_DRIVER(siemens_b102x_driver_info);