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

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

	devices = NULL;

	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;
	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;

	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 devices, l;
	49	const char conn, serialcomm;
	50	struct sr_serial_dev_inst *serial;
	51
	52	drvc = di->context;
	53	drvc->instances = NULL;
	54
	55	devices = NULL;
	56
	57	conn = serialcomm = NULL;
	58	for (l = options; l; l = l->next) {
	59	if (!(src = l->data)) {
	60	sr_err("Invalid option data, skipping.");
	61	continue;
	62	}
	63	switch (src->key) {
	64	case SR_CONF_CONN:
	65	conn = g_variant_get_string(src->data, NULL);
	66	break;
	67	case SR_CONF_SERIALCOMM:
	68	serialcomm = g_variant_get_string(src->data, NULL);
	69	break;
	70	default:
	71	sr_err("Unknown option %d, skipping.", src->key);
	72	break;
	73	}
	74	}
	75	if (!conn)
	76	return NULL;
	77	if (!serialcomm)
	78	serialcomm = SERIALCOMM;
	79
	80	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	81	sdi->status = SR_ST_INACTIVE;
	82	sdi->vendor = g_strdup("Tondaj");
	83	sdi->model = g_strdup("SL-814");
	84	devc = g_malloc0(sizeof(struct dev_context));
	85	sr_sw_limits_init(&devc->limits);
	86
	87	serial = sr_serial_dev_inst_new(conn, serialcomm);
	88
	89	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	90	return NULL;
	91
	92	sdi->inst_type = SR_INST_SERIAL;
	93	sdi->conn = serial;
	94
	95	sdi->priv = devc;
	96	sdi->driver = di;
	97	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
	98	drvc->instances = g_slist_append(drvc->instances, sdi);
	99	devices = g_slist_append(devices, sdi);
	100
	101	return devices;
	102	}
	103
	104	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
	105	const struct sr_channel_group *cg)
	106	{
	107	struct dev_context *devc;
	108
	109	(void)cg;
	110
	111	if (sdi->status != SR_ST_ACTIVE)
	112	return SR_ERR_DEV_CLOSED;
	113
	114	devc = sdi->priv;
	115
	116	return sr_sw_limits_config_set(&devc->limits, key, data);
	117	}
	118
	119	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	120	const struct sr_channel_group *cg)
	121	{
	122	(void)sdi;
	123	(void)cg;
	124
	125	switch (key) {
	126	case SR_CONF_SCAN_OPTIONS:
	127	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	128	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
	129	break;
	130	case SR_CONF_DEVICE_OPTIONS:
	131	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	132	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
	133	break;
	134	default:
	135	return SR_ERR_NA;
	136	}
	137
	138	return SR_OK;
	139	}
	140
	141	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	142	{
	143	struct dev_context *devc = sdi->priv;
	144	struct sr_serial_dev_inst *serial;
	145
	146	if (sdi->status != SR_ST_ACTIVE)
	147	return SR_ERR_DEV_CLOSED;
	148
	149	std_session_send_df_header(sdi, LOG_PREFIX);
	150
	151	sr_sw_limits_acquisition_start(&devc->limits);
	152
	153	/* Poll every 500ms, or whenever some data comes in. */
	154	serial = sdi->conn;
	155	serial_source_add(sdi->session, serial, G_IO_IN, 500,
	156	tondaj_sl_814_receive_data, (void *)sdi);
	157
	158	return SR_OK;
	159	}
	160
	161	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
	162	{
	163	return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
	164	sdi->conn, LOG_PREFIX);
	165	}
	166
	167	static struct sr_dev_driver tondaj_sl_814_driver_info = {
	168	.name = "tondaj-sl-814",
	169	.longname = "Tondaj SL-814",
	170	.api_version = 1,
	171	.init = std_init,
	172	.cleanup = std_cleanup,
	173	.scan = scan,
	174	.dev_list = std_dev_list,
	175	.dev_clear = NULL,
	176	.config_get = NULL,
	177	.config_set = config_set,
	178	.config_list = config_list,
	179	.dev_open = std_serial_dev_open,
	180	.dev_close = std_serial_dev_close,
	181	.dev_acquisition_start = dev_acquisition_start,
	182	.dev_acquisition_stop = dev_acquisition_stop,
	183	.context = NULL,
	184	};
	185	SR_REGISTER_DEV_DRIVER(tondaj_sl_814_driver_info);