[libsigrok.git] / hardware / colead-slm / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

#include <glib.h>
#include "libsigrok.h"
#include "libsigrok-internal.h"
#include "protocol.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>

/* The Colead SL-5868P uses this. */
#define SERIALCOMM "2400/8n1"

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_LIMIT_MSEC,
	SR_CONF_CONTINUOUS,
};

SR_PRIV struct sr_dev_driver colead_slm_driver_info;
static struct sr_dev_driver *di = &colead_slm_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;

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

	devices = NULL;

	conn = serialcomm = NULL;
	for (l = options; l; l = l->next) {
		src = l->data;
		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;
		}
	}
	if (!conn)
		return NULL;
	if (!serialcomm)
		serialcomm = SERIALCOMM;

	if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Colead",
			"SL-5868P", NULL)))
		return NULL;

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

	if (!(sdi->conn = sr_serial_dev_inst_new(conn, serialcomm)))
		return NULL;

	sdi->inst_type = SR_INST_SERIAL;
	sdi->priv = devc;
	sdi->driver = di;
	if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
		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) != 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;

	if (!(devc = sdi->priv)) {
		sr_err("sdi->priv was NULL.");
		return SR_ERR_BUG;
	}

	switch (id) {
	case SR_CONF_LIMIT_MSEC:
		/* TODO: not yet implemented */
		if (g_variant_get_uint64(data) == 0) {
			sr_err("LIMIT_MSEC can't be 0.");
			return SR_ERR;
		}
		devc->limit_msec = g_variant_get_uint64(data);;
		sr_dbg("Setting time limit to %" PRIu64 "ms.",
		       devc->limit_msec);
		break;
	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;

	if (!(devc = sdi->priv)) {
		sr_err("sdi->priv was NULL.");
		return SR_ERR_BUG;
	}

	devc->cb_data = cb_data;

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

	/* Poll every 150ms, or whenever some data comes in. */
	serial = sdi->conn;
	serial_source_add(serial, G_IO_IN, 150, colead_slm_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 colead_slm_driver_info = {
	.name = "colead-slm",
	.longname = "Colead SLM",
	.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 Bert Vermeulen <bert@biot.com>
	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 3 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, see <http://www.gnu.org/licenses/>.
	18	*/
	19
	20	#include <glib.h>
	21	#include "libsigrok.h"
	22	#include "libsigrok-internal.h"
	23	#include "protocol.h"
	24	#include <sys/types.h>
	25	#include <sys/stat.h>
	26	#include <fcntl.h>
	27	#include <errno.h>
	28	#include <string.h>
	29
	30	/* The Colead SL-5868P uses this. */
	31	#define SERIALCOMM "2400/8n1"
	32
	33	static const int32_t hwopts[] = {
	34	SR_CONF_CONN,
	35	SR_CONF_SERIALCOMM,
	36	};
	37
	38	static const int32_t hwcaps[] = {
	39	SR_CONF_SOUNDLEVELMETER,
	40	SR_CONF_LIMIT_SAMPLES,
	41	SR_CONF_LIMIT_MSEC,
	42	SR_CONF_CONTINUOUS,
	43	};
	44
	45	SR_PRIV struct sr_dev_driver colead_slm_driver_info;
	46	static struct sr_dev_driver *di = &colead_slm_driver_info;
	47
	48	static int dev_clear(void)
	49	{
	50	return std_dev_clear(di, NULL);
	51	}
	52
	53	static int init(struct sr_context *sr_ctx)
	54	{
	55	return std_init(sr_ctx, di, LOG_PREFIX);
	56	}
	57
	58	static GSList scan(GSList options)
	59	{
	60	struct drv_context *drvc;
	61	struct dev_context *devc;
	62	struct sr_dev_inst *sdi;
	63	struct sr_config *src;
	64	struct sr_probe *probe;
	65	GSList devices, l;
	66	const char conn, serialcomm;
	67
	68	drvc = di->priv;
	69	drvc->instances = NULL;
	70
	71	devices = NULL;
	72
	73	conn = serialcomm = NULL;
	74	for (l = options; l; l = l->next) {
	75	src = l->data;
	76	switch (src->key) {
	77	case SR_CONF_CONN:
	78	conn = g_variant_get_string(src->data, NULL);
	79	break;
	80	case SR_CONF_SERIALCOMM:
	81	serialcomm = g_variant_get_string(src->data, NULL);
	82	break;
	83	}
	84	}
	85	if (!conn)
	86	return NULL;
	87	if (!serialcomm)
	88	serialcomm = SERIALCOMM;
	89
	90	if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Colead",
	91	"SL-5868P", NULL)))
	92	return NULL;
	93
	94	if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
	95	sr_dbg("Device context malloc failed.");
	96	return NULL;
	97	}
	98
	99	if (!(sdi->conn = sr_serial_dev_inst_new(conn, serialcomm)))
	100	return NULL;
	101
	102	sdi->inst_type = SR_INST_SERIAL;
	103	sdi->priv = devc;
	104	sdi->driver = di;
	105	if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
	106	return NULL;
	107	sdi->probes = g_slist_append(sdi->probes, probe);
	108	drvc->instances = g_slist_append(drvc->instances, sdi);
	109	devices = g_slist_append(devices, sdi);
	110
	111	return devices;
	112	}
	113
	114	static GSList *dev_list(void)
	115	{
	116	return ((struct drv_context *)(di->priv))->instances;
	117	}
	118
	119	static int dev_open(struct sr_dev_inst *sdi)
	120	{
	121	struct sr_serial_dev_inst *serial;
	122
	123	serial = sdi->conn;
	124	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	125	return SR_ERR;
	126
	127	sdi->status = SR_ST_ACTIVE;
	128
	129	return SR_OK;
	130	}
	131
	132	static int cleanup(void)
	133	{
	134	return dev_clear();
	135	}
	136
	137	static int config_set(int id, GVariant data, const struct sr_dev_inst sdi,
	138	const struct sr_probe_group *probe_group)
	139	{
	140	struct dev_context *devc;
	141
	142	(void)probe_group;
	143
	144	if (sdi->status != SR_ST_ACTIVE)
	145	return SR_ERR_DEV_CLOSED;
	146
	147	if (!(devc = sdi->priv)) {
	148	sr_err("sdi->priv was NULL.");
	149	return SR_ERR_BUG;
	150	}
	151
	152	switch (id) {
	153	case SR_CONF_LIMIT_MSEC:
	154	/* TODO: not yet implemented */
	155	if (g_variant_get_uint64(data) == 0) {
	156	sr_err("LIMIT_MSEC can't be 0.");
	157	return SR_ERR;
	158	}
	159	devc->limit_msec = g_variant_get_uint64(data);;
	160	sr_dbg("Setting time limit to %" PRIu64 "ms.",
	161	devc->limit_msec);
	162	break;
	163	case SR_CONF_LIMIT_SAMPLES:
	164	devc->limit_samples = g_variant_get_uint64(data);
	165	sr_dbg("Setting sample limit to %" PRIu64 ".",
	166	devc->limit_samples);
	167	break;
	168	default:
	169	return SR_ERR_NA;
	170	}
	171
	172	return SR_OK;
	173	}
	174
	175	static int config_list(int key, GVariant *data, const struct sr_dev_inst sdi,
	176	const struct sr_probe_group *probe_group)
	177	{
	178	(void)sdi;
	179	(void)probe_group;
	180
	181	switch (key) {
	182	case SR_CONF_SCAN_OPTIONS:
	183	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
	184	hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
	185	break;
	186	case SR_CONF_DEVICE_OPTIONS:
	187	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
	188	hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
	189	break;
	190	default:
	191	return SR_ERR_NA;
	192	}
	193
	194	return SR_OK;
	195	}
	196
	197	static int dev_acquisition_start(const struct sr_dev_inst sdi, 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	if (!(devc = sdi->priv)) {
	206	sr_err("sdi->priv was NULL.");
	207	return SR_ERR_BUG;
	208	}
	209
	210	devc->cb_data = cb_data;
	211
	212	/* Send header packet to the session bus. */
	213	std_session_send_df_header(cb_data, LOG_PREFIX);
	214
	215	/* Poll every 150ms, or whenever some data comes in. */
	216	serial = sdi->conn;
	217	serial_source_add(serial, G_IO_IN, 150, colead_slm_receive_data,
	218	(void *)sdi);
	219
	220	return SR_OK;
	221	}
	222
	223	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
	224	{
	225	return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
	226	sdi->conn, LOG_PREFIX);
	227	}
	228
	229	SR_PRIV struct sr_dev_driver colead_slm_driver_info = {
	230	.name = "colead-slm",
	231	.longname = "Colead SLM",
	232	.api_version = 1,
	233	.init = init,
	234	.cleanup = cleanup,
	235	.scan = scan,
	236	.dev_list = dev_list,
	237	.dev_clear = dev_clear,
	238	.config_get = NULL,
	239	.config_set = config_set,
	240	.config_list = config_list,
	241	.dev_open = dev_open,
	242	.dev_close = std_serial_dev_close,
	243	.dev_acquisition_start = dev_acquisition_start,
	244	.dev_acquisition_stop = dev_acquisition_stop,
	245	.priv = NULL,
	246	};