[libsigrok.git] / src / hardware / tondaj-sl-814 / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#include <config.h>
#include <fcntl.h>
#include <glib.h>
#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
#include "protocol.h"

#define SERIALCOMM "9600/8e1"

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 *l;
	const char *conn, *serialcomm;
	struct sr_serial_dev_inst *serial;

	drvc = di->context;

	conn = serialcomm = NULL;
	for (l = options; l; l = l->next) {
		if (!(src = l->data)) {
			sr_err("Invalid option data, skipping.");
			continue;
		}
		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;
		default:
			sr_err("Unknown option %d, skipping.", src->key);
			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("Tondaj");
	sdi->model = g_strdup("SL-814");
	devc = g_malloc0(sizeof(struct dev_context));
	sr_sw_limits_init(&devc->limits);

	serial = sr_serial_dev_inst_new(conn, serialcomm);

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

	sdi->inst_type = SR_INST_SERIAL;
	sdi->conn = serial;

	sdi->priv = devc;
	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");

	return std_scan_complete(di, g_slist_append(NULL, sdi));
}

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;

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

	/* Poll every 500ms, or whenever some data comes in. */
	serial = sdi->conn;
	serial_source_add(sdi->session, serial, G_IO_IN, 500,
		      tondaj_sl_814_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 tondaj_sl_814_driver_info = {
	.name = "tondaj-sl-814",
	.longname = "Tondaj SL-814",
	.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(tondaj_sl_814_driver_info);
Commit	Line	Data
	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
	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 2 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, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
	21	#include <config.h>
	22	#include <fcntl.h>
	23	#include <glib.h>
	24	#include <libsigrok/libsigrok.h>
	25	#include "libsigrok-internal.h"
	26	#include "protocol.h"
	27
	28	#define SERIALCOMM "9600/8e1"
	29
	30	static const uint32_t scanopts[] = {
	31	SR_CONF_CONN,
	32	SR_CONF_SERIALCOMM,
	33	};
	34
	35	static const uint32_t devopts[] = {
	36	SR_CONF_SOUNDLEVELMETER,
	37	SR_CONF_CONTINUOUS,
	38	SR_CONF_LIMIT_SAMPLES \| SR_CONF_SET,
	39	SR_CONF_LIMIT_MSEC \| SR_CONF_SET,
	40	};
	41
	42	static GSList scan(struct sr_dev_driver di, GSList *options)
	43	{
	44	struct drv_context *drvc;
	45	struct dev_context *devc;
	46	struct sr_dev_inst *sdi;
	47	struct sr_config *src;
	48	GSList *l;
	49	const char conn, serialcomm;
	50	struct sr_serial_dev_inst *serial;
	51
	52	drvc = di->context;
	53
	54	conn = serialcomm = NULL;
	55	for (l = options; l; l = l->next) {
	56	if (!(src = l->data)) {
	57	sr_err("Invalid option data, skipping.");
	58	continue;
	59	}
	60	switch (src->key) {
	61	case SR_CONF_CONN:
	62	conn = g_variant_get_string(src->data, NULL);
	63	break;
	64	case SR_CONF_SERIALCOMM:
	65	serialcomm = g_variant_get_string(src->data, NULL);
	66	break;
	67	default:
	68	sr_err("Unknown option %d, skipping.", src->key);
	69	break;
	70	}
	71	}
	72	if (!conn)
	73	return NULL;
	74	if (!serialcomm)
	75	serialcomm = SERIALCOMM;
	76
	77	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	78	sdi->status = SR_ST_INACTIVE;
	79	sdi->vendor = g_strdup("Tondaj");
	80	sdi->model = g_strdup("SL-814");
	81	devc = g_malloc0(sizeof(struct dev_context));
	82	sr_sw_limits_init(&devc->limits);
	83
	84	serial = sr_serial_dev_inst_new(conn, serialcomm);
	85
	86	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	87	return NULL;
	88
	89	sdi->inst_type = SR_INST_SERIAL;
	90	sdi->conn = serial;
	91
	92	sdi->priv = devc;
	93	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
	94
	95	return std_scan_complete(di, g_slist_append(NULL, sdi));
	96	}
	97
	98	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
	99	const struct sr_channel_group *cg)
	100	{
	101	struct dev_context *devc;
	102
	103	(void)cg;
	104
	105	if (sdi->status != SR_ST_ACTIVE)
	106	return SR_ERR_DEV_CLOSED;
	107
	108	devc = sdi->priv;
	109
	110	return sr_sw_limits_config_set(&devc->limits, key, data);
	111	}
	112
	113	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	114	const struct sr_channel_group *cg)
	115	{
	116	(void)sdi;
	117	(void)cg;
	118
	119	switch (key) {
	120	case SR_CONF_SCAN_OPTIONS:
	121	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	122	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
	123	break;
	124	case SR_CONF_DEVICE_OPTIONS:
	125	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	126	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
	127	break;
	128	default:
	129	return SR_ERR_NA;
	130	}
	131
	132	return SR_OK;
	133	}
	134
	135	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	136	{
	137	struct dev_context *devc = sdi->priv;
	138	struct sr_serial_dev_inst *serial;
	139
	140	if (sdi->status != SR_ST_ACTIVE)
	141	return SR_ERR_DEV_CLOSED;
	142
	143	std_session_send_df_header(sdi, LOG_PREFIX);
	144
	145	sr_sw_limits_acquisition_start(&devc->limits);
	146
	147	/* Poll every 500ms, or whenever some data comes in. */
	148	serial = sdi->conn;
	149	serial_source_add(sdi->session, serial, G_IO_IN, 500,
	150	tondaj_sl_814_receive_data, (void *)sdi);
	151
	152	return SR_OK;
	153	}
	154
	155	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
	156	{
	157	return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
	158	sdi->conn, LOG_PREFIX);
	159	}
	160
	161	static struct sr_dev_driver tondaj_sl_814_driver_info = {
	162	.name = "tondaj-sl-814",
	163	.longname = "Tondaj SL-814",
	164	.api_version = 1,
	165	.init = std_init,
	166	.cleanup = std_cleanup,
	167	.scan = scan,
	168	.dev_list = std_dev_list,
	169	.dev_clear = NULL,
	170	.config_get = NULL,
	171	.config_set = config_set,
	172	.config_list = config_list,
	173	.dev_open = std_serial_dev_open,
	174	.dev_close = std_serial_dev_close,
	175	.dev_acquisition_start = dev_acquisition_start,
	176	.dev_acquisition_stop = dev_acquisition_stop,
	177	.context = NULL,
	178	};
	179	SR_REGISTER_DEV_DRIVER(tondaj_sl_814_driver_info);