[libsigrok.git] / 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 int32_t hwopts[] = {
	SR_CONF_CONN,
	SR_CONF_SERIALCOMM,
};

static const int32_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 dev_clear(void)
{
	return std_dev_clear(di, NULL);
}

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_probe *probe;
	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;
	probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1");
	if (!probe) {
		sr_err("Failed to create probe.");
		return NULL;
	}
	sdi->probes = g_slist_append(sdi->probes, probe);
	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 dev_open(struct sr_dev_inst *sdi)
{
	struct sr_serial_dev_inst *serial;

	serial = sdi->conn;
	if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
		return SR_ERR;

	sdi->status = SR_ST_ACTIVE;

	return SR_OK;
}

static int cleanup(void)
{
	return dev_clear();
}

static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
		const struct sr_probe_group *probe_group)
{
	struct dev_context *devc;

	(void)probe_group;

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

	devc = sdi->priv;

	switch (id) {
	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(int key, GVariant **data, const struct sr_dev_inst *sdi,
		const struct sr_probe_group *probe_group)
{
	(void)sdi;
	(void)probe_group;

	switch (key) {
	case SR_CONF_SCAN_OPTIONS:
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
				hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
		break;
	case SR_CONF_DEVICE_OPTIONS:
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
				hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_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(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 = dev_clear,
	.config_get = NULL,
	.config_set = config_set,
	.config_list = config_list,
	.dev_open = 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 int32_t hwopts[] = {
	30	SR_CONF_CONN,
	31	SR_CONF_SERIALCOMM,
	32	};
	33
	34	static const int32_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 dev_clear(void)
	44	{
	45	return std_dev_clear(di, NULL);
	46	}
	47
	48	static int init(struct sr_context *sr_ctx)
	49	{
	50	return std_init(sr_ctx, di, LOG_PREFIX);
	51	}
	52
	53	static GSList scan(GSList options)
	54	{
	55	struct drv_context *drvc;
	56	struct dev_context *devc;
	57	struct sr_dev_inst *sdi;
	58	struct sr_config *src;
	59	struct sr_probe *probe;
	60	GSList devices, l;
	61	const char conn, serialcomm;
	62	struct sr_serial_dev_inst *serial;
	63
	64	drvc = di->priv;
	65	drvc->instances = NULL;
	66
	67	devices = NULL;
	68
	69	conn = serialcomm = NULL;
	70	for (l = options; l; l = l->next) {
	71	if (!(src = l->data)) {
	72	sr_err("Invalid option data, skipping.");
	73	continue;
	74	}
	75	switch (src->key) {
	76	case SR_CONF_CONN:
	77	conn = g_variant_get_string(src->data, NULL);
	78	break;
	79	case SR_CONF_SERIALCOMM:
	80	serialcomm = g_variant_get_string(src->data, NULL);
	81	break;
	82	default:
	83	sr_err("Unknown option %d, skipping.", src->key);
	84	break;
	85	}
	86	}
	87	if (!conn)
	88	return NULL;
	89	if (!serialcomm)
	90	serialcomm = SERIALCOMM;
	91
	92	if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Tondaj",
	93	"SL-814", NULL))) {
	94	sr_err("Failed to create device instance.");
	95	return NULL;
	96	}
	97
	98	if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
	99	sr_err("Device context malloc failed.");
	100	return NULL;
	101	}
	102
	103	if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
	104	return NULL;
	105
	106	if (serial_open(serial, SERIAL_RDWR \| SERIAL_NONBLOCK) != SR_OK)
	107	return NULL;
	108
	109	sdi->inst_type = SR_INST_SERIAL;
	110	sdi->conn = serial;
	111
	112	sdi->priv = devc;
	113	sdi->driver = di;
	114	probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1");
	115	if (!probe) {
	116	sr_err("Failed to create probe.");
	117	return NULL;
	118	}
	119	sdi->probes = g_slist_append(sdi->probes, probe);
	120	drvc->instances = g_slist_append(drvc->instances, sdi);
	121	devices = g_slist_append(devices, sdi);
	122
	123	return devices;
	124	}
	125
	126	static GSList *dev_list(void)
	127	{
	128	return ((struct drv_context *)(di->priv))->instances;
	129	}
	130
	131	static int dev_open(struct sr_dev_inst *sdi)
	132	{
	133	struct sr_serial_dev_inst *serial;
	134
	135	serial = sdi->conn;
	136	if (serial_open(serial, SERIAL_RDWR \| SERIAL_NONBLOCK) != SR_OK)
	137	return SR_ERR;
	138
	139	sdi->status = SR_ST_ACTIVE;
	140
	141	return SR_OK;
	142	}
	143
	144	static int cleanup(void)
	145	{
	146	return dev_clear();
	147	}
	148
	149	static int config_set(int id, GVariant data, const struct sr_dev_inst sdi,
	150	const struct sr_probe_group *probe_group)
	151	{
	152	struct dev_context *devc;
	153
	154	(void)probe_group;
	155
	156	if (sdi->status != SR_ST_ACTIVE)
	157	return SR_ERR_DEV_CLOSED;
	158
	159	devc = sdi->priv;
	160
	161	switch (id) {
	162	case SR_CONF_LIMIT_SAMPLES:
	163	devc->limit_samples = g_variant_get_uint64(data);
	164	sr_dbg("Setting sample limit to %" PRIu64 ".",
	165	devc->limit_samples);
	166	break;
	167	default:
	168	return SR_ERR_NA;
	169	}
	170
	171	return SR_OK;
	172	}
	173
	174	static int config_list(int key, GVariant *data, const struct sr_dev_inst sdi,
	175	const struct sr_probe_group *probe_group)
	176	{
	177	(void)sdi;
	178	(void)probe_group;
	179
	180	switch (key) {
	181	case SR_CONF_SCAN_OPTIONS:
	182	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
	183	hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
	184	break;
	185	case SR_CONF_DEVICE_OPTIONS:
	186	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
	187	hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
	188	break;
	189	default:
	190	return SR_ERR_NA;
	191	}
	192
	193	return SR_OK;
	194	}
	195
	196	static int dev_acquisition_start(const struct sr_dev_inst *sdi,
	197	void *cb_data)
	198	{
	199	struct dev_context *devc;
	200	struct sr_serial_dev_inst *serial;
	201
	202	if (sdi->status != SR_ST_ACTIVE)
	203	return SR_ERR_DEV_CLOSED;
	204
	205	devc = sdi->priv;
	206	devc->cb_data = cb_data;
	207
	208	/* Send header packet to the session bus. */
	209	std_session_send_df_header(cb_data, LOG_PREFIX);
	210
	211	/* Poll every 500ms, or whenever some data comes in. */
	212	serial = sdi->conn;
	213	serial_source_add(serial, G_IO_IN, 500,
	214	tondaj_sl_814_receive_data, (void *)sdi);
	215
	216	return SR_OK;
	217	}
	218
	219	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
	220	{
	221	return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
	222	sdi->conn, LOG_PREFIX);
	223	}
	224
	225	SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = {
	226	.name = "tondaj-sl-814",
	227	.longname = "Tondaj SL-814",
	228	.api_version = 1,
	229	.init = init,
	230	.cleanup = cleanup,
	231	.scan = scan,
	232	.dev_list = dev_list,
	233	.dev_clear = dev_clear,
	234	.config_get = NULL,
	235	.config_set = config_set,
	236	.config_list = config_list,
	237	.dev_open = dev_open,
	238	.dev_close = std_serial_dev_close,
	239	.dev_acquisition_start = dev_acquisition_start,
	240	.dev_acquisition_stop = dev_acquisition_stop,
	241	.priv = NULL,
	242	};