[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.h"
#include "libsigrok-internal.h"
#include "protocol.h"

#define SERIALCOMM "9600/8e1"

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

static const uint32_t hwcaps[] = {
	SR_CONF_SOUNDLEVELMETER,
	SR_CONF_LIMIT_SAMPLES,
	SR_CONF_CONTINUOUS,
};

SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info;
static struct sr_dev_driver *di = &tondaj_sl_814_driver_info;

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

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

	drvc = di->priv;
	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;

	if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Tondaj",
				    "SL-814", NULL))) {
		sr_err("Failed to create device instance.");
		return NULL;
	}

	if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
		sr_err("Device context malloc failed.");
		return NULL;
	}

	if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
		return NULL;

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

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

	sdi->priv = devc;
	sdi->driver = di;
	ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1");
	if (!ch) {
		sr_err("Failed to create channel.");
		return NULL;
	}
	sdi->channels = g_slist_append(sdi->channels, ch);
	drvc->instances = g_slist_append(drvc->instances, sdi);
	devices = g_slist_append(devices, sdi);

	return devices;
}

static GSList *dev_list(void)
{
	return ((struct drv_context *)(di->priv))->instances;
}

static int cleanup(void)
{
	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);
		sr_dbg("Setting sample limit to %" PRIu64 ".",
		       devc->limit_samples);
		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,
				hwopts, ARRAY_SIZE(hwopts), sizeof(uint32_t));
		break;
	case SR_CONF_DEVICE_OPTIONS:
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				hwcaps, ARRAY_SIZE(hwcaps), 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,
	.priv = 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.h"
	24	#include "libsigrok-internal.h"
	25	#include "protocol.h"
	26
	27	#define SERIALCOMM "9600/8e1"
	28
	29	static const uint32_t hwopts[] = {
	30	SR_CONF_CONN,
	31	SR_CONF_SERIALCOMM,
	32	};
	33
	34	static const uint32_t hwcaps[] = {
	35	SR_CONF_SOUNDLEVELMETER,
	36	SR_CONF_LIMIT_SAMPLES,
	37	SR_CONF_CONTINUOUS,
	38	};
	39
	40	SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info;
	41	static struct sr_dev_driver *di = &tondaj_sl_814_driver_info;
	42
	43	static int init(struct sr_context *sr_ctx)
	44	{
	45	return std_init(sr_ctx, di, LOG_PREFIX);
	46	}
	47
	48	static GSList scan(GSList options)
	49	{
	50	struct drv_context *drvc;
	51	struct dev_context *devc;
	52	struct sr_dev_inst *sdi;
	53	struct sr_config *src;
	54	struct sr_channel *ch;
	55	GSList devices, l;
	56	const char conn, serialcomm;
	57	struct sr_serial_dev_inst *serial;
	58
	59	drvc = di->priv;
	60	drvc->instances = NULL;
	61
	62	devices = NULL;
	63
	64	conn = serialcomm = NULL;
	65	for (l = options; l; l = l->next) {
	66	if (!(src = l->data)) {
	67	sr_err("Invalid option data, skipping.");
	68	continue;
	69	}
	70	switch (src->key) {
	71	case SR_CONF_CONN:
	72	conn = g_variant_get_string(src->data, NULL);
	73	break;
	74	case SR_CONF_SERIALCOMM:
	75	serialcomm = g_variant_get_string(src->data, NULL);
	76	break;
	77	default:
	78	sr_err("Unknown option %d, skipping.", src->key);
	79	break;
	80	}
	81	}
	82	if (!conn)
	83	return NULL;
	84	if (!serialcomm)
	85	serialcomm = SERIALCOMM;
	86
	87	if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Tondaj",
	88	"SL-814", NULL))) {
	89	sr_err("Failed to create device instance.");
	90	return NULL;
	91	}
	92
	93	if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
	94	sr_err("Device context malloc failed.");
	95	return NULL;
	96	}
	97
	98	if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
	99	return NULL;
	100
	101	if (serial_open(serial, SERIAL_RDWR \| SERIAL_NONBLOCK) != SR_OK)
	102	return NULL;
	103
	104	sdi->inst_type = SR_INST_SERIAL;
	105	sdi->conn = serial;
	106
	107	sdi->priv = devc;
	108	sdi->driver = di;
	109	ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1");
	110	if (!ch) {
	111	sr_err("Failed to create channel.");
	112	return NULL;
	113	}
	114	sdi->channels = g_slist_append(sdi->channels, ch);
	115	drvc->instances = g_slist_append(drvc->instances, sdi);
	116	devices = g_slist_append(devices, sdi);
	117
	118	return devices;
	119	}
	120
	121	static GSList *dev_list(void)
	122	{
	123	return ((struct drv_context *)(di->priv))->instances;
	124	}
	125
	126	static int cleanup(void)
	127	{
	128	return std_dev_clear(di, NULL);
	129	}
	130
	131	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
	132	const struct sr_channel_group *cg)
	133	{
	134	struct dev_context *devc;
	135
	136	(void)cg;
	137
	138	if (sdi->status != SR_ST_ACTIVE)
	139	return SR_ERR_DEV_CLOSED;
	140
	141	devc = sdi->priv;
	142
	143	switch (key) {
	144	case SR_CONF_LIMIT_SAMPLES:
	145	devc->limit_samples = g_variant_get_uint64(data);
	146	sr_dbg("Setting sample limit to %" PRIu64 ".",
	147	devc->limit_samples);
	148	break;
	149	default:
	150	return SR_ERR_NA;
	151	}
	152
	153	return SR_OK;
	154	}
	155
	156	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	157	const struct sr_channel_group *cg)
	158	{
	159	(void)sdi;
	160	(void)cg;
	161
	162	switch (key) {
	163	case SR_CONF_SCAN_OPTIONS:
	164	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	165	hwopts, ARRAY_SIZE(hwopts), sizeof(uint32_t));
	166	break;
	167	case SR_CONF_DEVICE_OPTIONS:
	168	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	169	hwcaps, ARRAY_SIZE(hwcaps), sizeof(uint32_t));
	170	break;
	171	default:
	172	return SR_ERR_NA;
	173	}
	174
	175	return SR_OK;
	176	}
	177
	178	static int dev_acquisition_start(const struct sr_dev_inst *sdi,
	179	void *cb_data)
	180	{
	181	struct dev_context *devc;
	182	struct sr_serial_dev_inst *serial;
	183
	184	if (sdi->status != SR_ST_ACTIVE)
	185	return SR_ERR_DEV_CLOSED;
	186
	187	devc = sdi->priv;
	188	devc->cb_data = cb_data;
	189
	190	/* Send header packet to the session bus. */
	191	std_session_send_df_header(cb_data, LOG_PREFIX);
	192
	193	/* Poll every 500ms, or whenever some data comes in. */
	194	serial = sdi->conn;
	195	serial_source_add(sdi->session, serial, G_IO_IN, 500,
	196	tondaj_sl_814_receive_data, (void *)sdi);
	197
	198	return SR_OK;
	199	}
	200
	201	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
	202	{
	203	return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
	204	sdi->conn, LOG_PREFIX);
	205	}
	206
	207	SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = {
	208	.name = "tondaj-sl-814",
	209	.longname = "Tondaj SL-814",
	210	.api_version = 1,
	211	.init = init,
	212	.cleanup = cleanup,
	213	.scan = scan,
	214	.dev_list = dev_list,
	215	.dev_clear = NULL,
	216	.config_get = NULL,
	217	.config_set = config_set,
	218	.config_list = config_list,
	219	.dev_open = std_serial_dev_open,
	220	.dev_close = std_serial_dev_close,
	221	.dev_acquisition_start = dev_acquisition_start,
	222	.dev_acquisition_stop = dev_acquisition_stop,
	223	.priv = NULL,
	224	};