[libsigrok.git] / src / hardware / colead-slm / 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"

/* The Colead SL-5868P uses this. */
#define SERIALCOMM "2400/8n1"

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

static const uint32_t devopts[] = {
	SR_CONF_SOUNDLEVELMETER,
	SR_CONF_CONTINUOUS,
	SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
	SR_CONF_LIMIT_MSEC | SR_CONF_SET,
};

static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
	struct drv_context *drvc;
	struct dev_context *devc;
	struct sr_dev_inst *sdi;
	struct sr_config *src;
	GSList *devices, *l;
	const char *conn, *serialcomm;

	drvc = di->context;
	drvc->instances = NULL;

	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;

	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	sdi->status = SR_ST_INACTIVE;
	sdi->vendor = g_strdup("Colead");
	sdi->model = g_strdup("SL-5868P");
	devc = g_malloc0(sizeof(struct dev_context));
	sr_sw_limits_init(&devc->limits);
	sdi->conn = sr_serial_dev_inst_new(conn, serialcomm);
	sdi->inst_type = SR_INST_SERIAL;
	sdi->priv = devc;
	sdi->driver = di;
	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
	drvc->instances = g_slist_append(drvc->instances, sdi);
	devices = g_slist_append(devices, sdi);

	return 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;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	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)
{
	(void)sdi;
	(void)cg;

	switch (key) {
	case SR_CONF_SCAN_OPTIONS:
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
		break;
	case SR_CONF_DEVICE_OPTIONS:
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
		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;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

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

	/* Poll every 150ms, or whenever some data comes in. */
	serial = sdi->conn;
	serial_source_add(sdi->session, serial, G_IO_IN, 150,
			colead_slm_receive_data, (void *)sdi);

	return SR_OK;
}

static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
	return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
			sdi->conn, LOG_PREFIX);
}

static struct sr_dev_driver colead_slm_driver_info = {
	.name = "colead-slm",
	.longname = "Colead SLM",
	.api_version = 1,
	.init = std_init,
	.cleanup = std_cleanup,
	.scan = scan,
	.dev_list = std_dev_list,
	.dev_clear = NULL,
	.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 = dev_acquisition_stop,
	.context = NULL,
};
SR_REGISTER_DEV_DRIVER(colead_slm_driver_info);
Commit	Line	Data
	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 <sys/types.h>
	23	#include <sys/stat.h>
	24	#include <fcntl.h>
	25	#include <string.h>
	26	#include <libsigrok/libsigrok.h>
	27	#include "libsigrok-internal.h"
	28	#include "protocol.h"
	29
	30	/* The Colead SL-5868P uses this. */
	31	#define SERIALCOMM "2400/8n1"
	32
	33	static const uint32_t scanopts[] = {
	34	SR_CONF_CONN,
	35	SR_CONF_SERIALCOMM,
	36	};
	37
	38	static const uint32_t devopts[] = {
	39	SR_CONF_SOUNDLEVELMETER,
	40	SR_CONF_CONTINUOUS,
	41	SR_CONF_LIMIT_SAMPLES \| SR_CONF_SET,
	42	SR_CONF_LIMIT_MSEC \| SR_CONF_SET,
	43	};
	44
	45	static GSList scan(struct sr_dev_driver di, GSList *options)
	46	{
	47	struct drv_context *drvc;
	48	struct dev_context *devc;
	49	struct sr_dev_inst *sdi;
	50	struct sr_config *src;
	51	GSList devices, l;
	52	const char conn, serialcomm;
	53
	54	drvc = di->context;
	55	drvc->instances = NULL;
	56
	57	devices = NULL;
	58
	59	conn = serialcomm = NULL;
	60	for (l = options; l; l = l->next) {
	61	src = l->data;
	62	switch (src->key) {
	63	case SR_CONF_CONN:
	64	conn = g_variant_get_string(src->data, NULL);
	65	break;
	66	case SR_CONF_SERIALCOMM:
	67	serialcomm = g_variant_get_string(src->data, NULL);
	68	break;
	69	}
	70	}
	71	if (!conn)
	72	return NULL;
	73	if (!serialcomm)
	74	serialcomm = SERIALCOMM;
	75
	76	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	77	sdi->status = SR_ST_INACTIVE;
	78	sdi->vendor = g_strdup("Colead");
	79	sdi->model = g_strdup("SL-5868P");
	80	devc = g_malloc0(sizeof(struct dev_context));
	81	sr_sw_limits_init(&devc->limits);
	82	sdi->conn = sr_serial_dev_inst_new(conn, serialcomm);
	83	sdi->inst_type = SR_INST_SERIAL;
	84	sdi->priv = devc;
	85	sdi->driver = di;
	86	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
	87	drvc->instances = g_slist_append(drvc->instances, sdi);
	88	devices = g_slist_append(devices, sdi);
	89
	90	return devices;
	91	}
	92
	93	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
	94	const struct sr_channel_group *cg)
	95	{
	96	struct dev_context *devc;
	97
	98	(void)cg;
	99
	100	if (sdi->status != SR_ST_ACTIVE)
	101	return SR_ERR_DEV_CLOSED;
	102
	103	devc = sdi->priv;
	104
	105	return sr_sw_limits_config_set(&devc->limits, key, data);
	106	}
	107
	108	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	109	const struct sr_channel_group *cg)
	110	{
	111	(void)sdi;
	112	(void)cg;
	113
	114	switch (key) {
	115	case SR_CONF_SCAN_OPTIONS:
	116	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	117	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
	118	break;
	119	case SR_CONF_DEVICE_OPTIONS:
	120	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	121	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
	122	break;
	123	default:
	124	return SR_ERR_NA;
	125	}
	126
	127	return SR_OK;
	128	}
	129
	130	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	131	{
	132	struct dev_context *devc = sdi->priv;
	133	struct sr_serial_dev_inst *serial;
	134
	135	if (sdi->status != SR_ST_ACTIVE)
	136	return SR_ERR_DEV_CLOSED;
	137
	138	sr_sw_limits_acquisition_start(&devc->limits);
	139	std_session_send_df_header(sdi, LOG_PREFIX);
	140
	141	/* Poll every 150ms, or whenever some data comes in. */
	142	serial = sdi->conn;
	143	serial_source_add(sdi->session, serial, G_IO_IN, 150,
	144	colead_slm_receive_data, (void *)sdi);
	145
	146	return SR_OK;
	147	}
	148
	149	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
	150	{
	151	return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
	152	sdi->conn, LOG_PREFIX);
	153	}
	154
	155	static struct sr_dev_driver colead_slm_driver_info = {
	156	.name = "colead-slm",
	157	.longname = "Colead SLM",
	158	.api_version = 1,
	159	.init = std_init,
	160	.cleanup = std_cleanup,
	161	.scan = scan,
	162	.dev_list = std_dev_list,
	163	.dev_clear = NULL,
	164	.config_get = NULL,
	165	.config_set = config_set,
	166	.config_list = config_list,
	167	.dev_open = std_serial_dev_open,
	168	.dev_close = std_serial_dev_close,
	169	.dev_acquisition_start = dev_acquisition_start,
	170	.dev_acquisition_stop = dev_acquisition_stop,
	171	.context = NULL,
	172	};
	173	SR_REGISTER_DEV_DRIVER(colead_slm_driver_info);