[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 <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_PRIV struct sr_dev_driver tondaj_sl_814_driver_info;

static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
{
	return std_init(sr_ctx, di, LOG_PREFIX);
}

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));

	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 GSList *dev_list(const struct sr_dev_driver *di)
{
	return ((struct drv_context *)(di->context))->instances;
}

static int cleanup(const struct sr_dev_driver *di)
{
	return std_dev_clear(di, NULL);
}

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;

	switch (key) {
	case SR_CONF_LIMIT_SAMPLES:
		devc->limit_samples = g_variant_get_uint64(data);
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

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,
				    void *cb_data)
{
	struct dev_context *devc;
	struct sr_serial_dev_inst *serial;

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

	devc = sdi->priv;
	devc->cb_data = cb_data;

	/* Send header packet to the session bus. */
	std_session_send_df_header(cb_data, LOG_PREFIX);

	/* 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, void *cb_data)
{
	return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
			sdi->conn, LOG_PREFIX);
}

SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = {
	.name = "tondaj-sl-814",
	.longname = "Tondaj SL-814",
	.api_version = 1,
	.init = init,
	.cleanup = cleanup,
	.scan = scan,
	.dev_list = 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,
};
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 <fcntl.h>
	22	#include <glib.h>
	23	#include <libsigrok/libsigrok.h>
	24	#include "libsigrok-internal.h"
	25	#include "protocol.h"
	26
	27	#define SERIALCOMM "9600/8e1"
	28
	29	static const uint32_t scanopts[] = {
	30	SR_CONF_CONN,
	31	SR_CONF_SERIALCOMM,
	32	};
	33
	34	static const uint32_t devopts[] = {
	35	SR_CONF_SOUNDLEVELMETER,
	36	SR_CONF_CONTINUOUS,
	37	SR_CONF_LIMIT_SAMPLES \| SR_CONF_SET,
	38	};
	39
	40	SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info;
	41
	42	static int init(struct sr_dev_driver di, struct sr_context sr_ctx)
	43	{
	44	return std_init(sr_ctx, di, LOG_PREFIX);
	45	}
	46
	47	static GSList scan(struct sr_dev_driver di, GSList *options)
	48	{
	49	struct drv_context *drvc;
	50	struct dev_context *devc;
	51	struct sr_dev_inst *sdi;
	52	struct sr_config *src;
	53	GSList devices, l;
	54	const char conn, serialcomm;
	55	struct sr_serial_dev_inst *serial;
	56
	57	drvc = di->context;
	58	drvc->instances = NULL;
	59
	60	devices = NULL;
	61
	62	conn = serialcomm = NULL;
	63	for (l = options; l; l = l->next) {
	64	if (!(src = l->data)) {
	65	sr_err("Invalid option data, skipping.");
	66	continue;
	67	}
	68	switch (src->key) {
	69	case SR_CONF_CONN:
	70	conn = g_variant_get_string(src->data, NULL);
	71	break;
	72	case SR_CONF_SERIALCOMM:
	73	serialcomm = g_variant_get_string(src->data, NULL);
	74	break;
	75	default:
	76	sr_err("Unknown option %d, skipping.", src->key);
	77	break;
	78	}
	79	}
	80	if (!conn)
	81	return NULL;
	82	if (!serialcomm)
	83	serialcomm = SERIALCOMM;
	84
	85	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	86	sdi->status = SR_ST_INACTIVE;
	87	sdi->vendor = g_strdup("Tondaj");
	88	sdi->model = g_strdup("SL-814");
	89	devc = g_malloc0(sizeof(struct dev_context));
	90
	91	serial = sr_serial_dev_inst_new(conn, serialcomm);
	92
	93	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	94	return NULL;
	95
	96	sdi->inst_type = SR_INST_SERIAL;
	97	sdi->conn = serial;
	98
	99	sdi->priv = devc;
	100	sdi->driver = di;
	101	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
	102	drvc->instances = g_slist_append(drvc->instances, sdi);
	103	devices = g_slist_append(devices, sdi);
	104
	105	return devices;
	106	}
	107
	108	static GSList dev_list(const struct sr_dev_driver di)
	109	{
	110	return ((struct drv_context *)(di->context))->instances;
	111	}
	112
	113	static int cleanup(const struct sr_dev_driver *di)
	114	{
	115	return std_dev_clear(di, NULL);
	116	}
	117
	118	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
	119	const struct sr_channel_group *cg)
	120	{
	121	struct dev_context *devc;
	122
	123	(void)cg;
	124
	125	if (sdi->status != SR_ST_ACTIVE)
	126	return SR_ERR_DEV_CLOSED;
	127
	128	devc = sdi->priv;
	129
	130	switch (key) {
	131	case SR_CONF_LIMIT_SAMPLES:
	132	devc->limit_samples = g_variant_get_uint64(data);
	133	break;
	134	default:
	135	return SR_ERR_NA;
	136	}
	137
	138	return SR_OK;
	139	}
	140
	141	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	142	const struct sr_channel_group *cg)
	143	{
	144	(void)sdi;
	145	(void)cg;
	146
	147	switch (key) {
	148	case SR_CONF_SCAN_OPTIONS:
	149	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	150	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
	151	break;
	152	case SR_CONF_DEVICE_OPTIONS:
	153	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	154	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
	155	break;
	156	default:
	157	return SR_ERR_NA;
	158	}
	159
	160	return SR_OK;
	161	}
	162
	163	static int dev_acquisition_start(const struct sr_dev_inst *sdi,
	164	void *cb_data)
	165	{
	166	struct dev_context *devc;
	167	struct sr_serial_dev_inst *serial;
	168
	169	if (sdi->status != SR_ST_ACTIVE)
	170	return SR_ERR_DEV_CLOSED;
	171
	172	devc = sdi->priv;
	173	devc->cb_data = cb_data;
	174
	175	/* Send header packet to the session bus. */
	176	std_session_send_df_header(cb_data, LOG_PREFIX);
	177
	178	/* Poll every 500ms, or whenever some data comes in. */
	179	serial = sdi->conn;
	180	serial_source_add(sdi->session, serial, G_IO_IN, 500,
	181	tondaj_sl_814_receive_data, (void *)sdi);
	182
	183	return SR_OK;
	184	}
	185
	186	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
	187	{
	188	return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
	189	sdi->conn, LOG_PREFIX);
	190	}
	191
	192	SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = {
	193	.name = "tondaj-sl-814",
	194	.longname = "Tondaj SL-814",
	195	.api_version = 1,
	196	.init = init,
	197	.cleanup = cleanup,
	198	.scan = scan,
	199	.dev_list = dev_list,
	200	.dev_clear = NULL,
	201	.config_get = NULL,
	202	.config_set = config_set,
	203	.config_list = config_list,
	204	.dev_open = std_serial_dev_open,
	205	.dev_close = std_serial_dev_close,
	206	.dev_acquisition_start = dev_acquisition_start,
	207	.dev_acquisition_stop = dev_acquisition_stop,
	208	.context = NULL,
	209	};