[libsigrok.git] / src / hardware / pce-322a / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2016 George Hopkins <george-hopkins@null.net>
 * Copyright (C) 2016 Matthieu Guillaumin <matthieu@guillaum.in>
 *
 * 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 <string.h>
#include <config.h>
#include "protocol.h"

#define SERIALCOMM "115200/8n1"

static const uint32_t scanopts[] = {
	SR_CONF_CONN,
};

static const uint32_t drvopts[] = {
	SR_CONF_SOUNDLEVELMETER,
};

static const uint32_t devopts[] = {
	SR_CONF_CONTINUOUS | SR_CONF_SET,
	SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_SPL_WEIGHT_FREQ | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_SPL_WEIGHT_TIME | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_SPL_MEASUREMENT_RANGE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_POWER_OFF | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
};

static const char *weight_freq[] = {
	"A",
	"C",
};

static const char *weight_time[] = {
	"F",
	"S",
};

static const uint64_t meas_ranges[][2] = {
	{ 30, 130 },
	{ 30, 80 },
	{ 50, 100 },
	{ 80, 130 },
};

static const char *data_sources[] = {
	"Live",
	"Memory",
};

static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
	struct dev_context *devc;
	struct sr_config *src;
	struct sr_serial_dev_inst *serial;
	struct sr_dev_inst *sdi;
	GSList *l;
	const char *conn;

	conn = NULL;
	for (l = options; l; l = l->next) {
		src = l->data;
		if (src->key == SR_CONF_CONN)
			conn = g_variant_get_string(src->data, NULL);
	}
	if (!conn)
		return NULL;

	serial = sr_serial_dev_inst_new(conn, SERIALCOMM);

	if (serial_open(serial, SERIAL_RDONLY) != SR_OK)
		return NULL;

	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	sdi->status = SR_ST_INACTIVE;
	sdi->vendor = g_strdup("PCE");
	sdi->model = g_strdup("PCE-322A");
	devc = g_malloc0(sizeof(struct dev_context));
	devc->cur_mqflags = SR_MQFLAG_SPL_TIME_WEIGHT_F | SR_MQFLAG_SPL_FREQ_WEIGHT_A;
	sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM);
	sdi->inst_type = SR_INST_SERIAL;
	sdi->priv = devc;
	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "SPL");

	serial_close(serial);

	return std_scan_complete(di, g_slist_append(NULL, sdi));
}

static int config_get(uint32_t key, GVariant **data,
	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
	struct dev_context *devc;
	GVariant *range[2];
	uint64_t low, high;
	uint64_t tmp;
	int ret;

	(void)cg;

	if (!sdi)
		return SR_ERR_ARG;

	devc = sdi->priv;
	ret = SR_OK;
	switch (key) {
	case SR_CONF_LIMIT_SAMPLES:
		*data = g_variant_new_uint64(devc->limit_samples);
		break;
	case SR_CONF_SPL_WEIGHT_FREQ:
		tmp = pce_322a_weight_freq_get(sdi);
		if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A)
			*data = g_variant_new_string("A");
		else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C)
			*data = g_variant_new_string("C");
		else
			return SR_ERR;
		break;
	case SR_CONF_SPL_WEIGHT_TIME:
		tmp = pce_322a_weight_time_get(sdi);
		if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F)
			*data = g_variant_new_string("F");
		else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S)
			*data = g_variant_new_string("S");
		else
			return SR_ERR;
		break;
	case SR_CONF_SPL_MEASUREMENT_RANGE:
		if ((ret = pce_322a_meas_range_get(sdi, &low, &high)) == SR_OK) {
			range[0] = g_variant_new_uint64(low);
			range[1] = g_variant_new_uint64(high);
			*data = g_variant_new_tuple(range, 2);
		}
		break;
	case SR_CONF_POWER_OFF:
		*data = g_variant_new_boolean(FALSE);
		break;
	case SR_CONF_DATA_SOURCE:
		if (devc->cur_data_source == DATA_SOURCE_LIVE)
			*data = g_variant_new_string("Live");
		else
			*data = g_variant_new_string("Memory");
		break;
	default:
		return SR_ERR_NA;
	}

	return ret;
}

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;
	uint64_t tmp_u64, low, high;
	unsigned int i;
	int ret;
	const char *tmp_str;

	(void)cg;

	devc = sdi->priv;

	ret = SR_OK;
	switch (key) {
	case SR_CONF_LIMIT_SAMPLES:
		tmp_u64 = g_variant_get_uint64(data);
		devc->limit_samples = tmp_u64;
		ret = SR_OK;
		break;
	case SR_CONF_SPL_WEIGHT_FREQ:
		tmp_str = g_variant_get_string(data, NULL);
		if (!strcmp(tmp_str, "A"))
			ret = pce_322a_weight_freq_set(sdi,
					SR_MQFLAG_SPL_FREQ_WEIGHT_A);
		else if (!strcmp(tmp_str, "C"))
			ret = pce_322a_weight_freq_set(sdi,
					SR_MQFLAG_SPL_FREQ_WEIGHT_C);
		else
			return SR_ERR_ARG;
		break;
	case SR_CONF_SPL_WEIGHT_TIME:
		tmp_str = g_variant_get_string(data, NULL);
		if (!strcmp(tmp_str, "F"))
			ret = pce_322a_weight_time_set(sdi,
					SR_MQFLAG_SPL_TIME_WEIGHT_F);
		else if (!strcmp(tmp_str, "S"))
			ret = pce_322a_weight_time_set(sdi,
					SR_MQFLAG_SPL_TIME_WEIGHT_S);
		else
			return SR_ERR_ARG;
		break;
	case SR_CONF_SPL_MEASUREMENT_RANGE:
		g_variant_get(data, "(tt)", &low, &high);
		ret = SR_ERR_ARG;
		for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
			if (meas_ranges[i][0] == low && meas_ranges[i][1] == high) {
				ret = pce_322a_meas_range_set(sdi, low, high);
				break;
			}
		}
		break;
	case SR_CONF_POWER_OFF:
		if (g_variant_get_boolean(data))
			ret = pce_322a_power_off(sdi);
		break;
	case SR_CONF_DATA_SOURCE:
		tmp_str = g_variant_get_string(data, NULL);
		if (!strcmp(tmp_str, "Live"))
			devc->cur_data_source = DATA_SOURCE_LIVE;
		else if (!strcmp(tmp_str, "Memory"))
			devc->cur_data_source = DATA_SOURCE_MEMORY;
		else
			return SR_ERR;
		break;
	default:
		ret = SR_ERR_NA;
	}

	return ret;
}

static int config_list(uint32_t key, GVariant **data,
	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
	GVariant *tuple, *range[2];
	GVariantBuilder gvb;
	unsigned int i;
	int ret;

	(void)cg;

	ret = SR_OK;
	if (!sdi) {
		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,
				drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
			break;
		default:
			return SR_ERR_NA;
		}
	} else {
		switch (key) {
		case SR_CONF_DEVICE_OPTIONS:
			*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
			break;
		case SR_CONF_SPL_WEIGHT_FREQ:
			*data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
			break;
		case SR_CONF_SPL_WEIGHT_TIME:
			*data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
			break;
		case SR_CONF_SPL_MEASUREMENT_RANGE:
			g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
			for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
				range[0] = g_variant_new_uint64(meas_ranges[i][0]);
				range[1] = g_variant_new_uint64(meas_ranges[i][1]);
				tuple = g_variant_new_tuple(range, 2);
				g_variant_builder_add_value(&gvb, tuple);
			}
			*data = g_variant_builder_end(&gvb);
			break;
		case SR_CONF_DATA_SOURCE:
			*data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
			break;
		default:
			return SR_ERR_NA;
		}
	}

	return ret;
}

static int dev_open(struct sr_dev_inst *sdi)
{
	int ret;

	ret = std_serial_dev_open(sdi);
	if (ret != SR_OK)
		return ret;

	return pce_322a_connect(sdi);
}

static int dev_close(struct sr_dev_inst *sdi)
{
	/*
	 * Ensure device gets properly disconnected even when there was
	 * no acquisition.
	 */
	pce_322a_disconnect(sdi);

	return std_serial_dev_close(sdi);
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
	struct dev_context *devc;
	struct sr_serial_dev_inst *serial;

	devc = sdi->priv;
	devc->buffer_len = 0;
	devc->memory_state = MEM_STATE_REQUEST_MEMORY_USAGE;

	std_session_send_df_header(sdi);

	/* Poll every 150ms, or whenever some data comes in. */
	serial = sdi->conn;
	serial_source_add(sdi->session, serial, G_IO_IN, 150,
			pce_322a_receive_data, (void *)sdi);

	return SR_OK;
}

static struct sr_dev_driver pce_322a_driver_info = {
	.name = "pce-322a",
	.longname = "PCE PCE-322A",
	.api_version = 1,
	.init = std_init,
	.cleanup = std_cleanup,
	.scan = scan,
	.dev_list = std_dev_list,
	.dev_clear = std_dev_clear,
	.config_get = config_get,
	.config_set = config_set,
	.config_list = config_list,
	.dev_open = dev_open,
	.dev_close = dev_close,
	.dev_acquisition_start = dev_acquisition_start,
	.dev_acquisition_stop = std_serial_dev_acquisition_stop,
	.context = NULL,
};
SR_REGISTER_DEV_DRIVER(pce_322a_driver_info);
Commit	Line	Data
5a2c71cc GH	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2016 George Hopkins <george-hopkins@null.net>
ae87e02f	5	* Copyright (C) 2016 Matthieu Guillaumin <matthieu@guillaum.in>
5a2c71cc GH	6	*
	7	* This program is free software: you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation, either version 3 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	19	*/
	20
	21	#include <string.h>
	22	#include <config.h>
	23	#include "protocol.h"
	24
	25	#define SERIALCOMM "115200/8n1"
	26
	27	static const uint32_t scanopts[] = {
	28	SR_CONF_CONN,
	29	};
	30
	31	static const uint32_t drvopts[] = {
	32	SR_CONF_SOUNDLEVELMETER,
	33	};
	34
	35	static const uint32_t devopts[] = {
	36	SR_CONF_CONTINUOUS \| SR_CONF_SET,
	37	SR_CONF_LIMIT_SAMPLES \| SR_CONF_GET \| SR_CONF_SET,
	38	SR_CONF_SPL_WEIGHT_FREQ \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	39	SR_CONF_SPL_WEIGHT_TIME \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	40	SR_CONF_SPL_MEASUREMENT_RANGE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	41	SR_CONF_POWER_OFF \| SR_CONF_GET \| SR_CONF_SET,
ae87e02f	42	SR_CONF_DATA_SOURCE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
5a2c71cc GH	43	};
	44
	45	static const char *weight_freq[] = {
	46	"A",
	47	"C",
	48	};
	49
	50	static const char *weight_time[] = {
	51	"F",
	52	"S",
	53	};
	54
	55	static const uint64_t meas_ranges[][2] = {
	56	{ 30, 130 },
	57	{ 30, 80 },
	58	{ 50, 100 },
	59	{ 80, 130 },
	60	};
	61
ae87e02f MG	62	static const char *data_sources[] = {
	63	"Live",
	64	"Memory",
	65	};
	66
5a2c71cc GH	67	static GSList scan(struct sr_dev_driver di, GSList *options)
5a2c71cc GH	68	{
5a2c71cc GH	69	struct dev_context *devc;
	70	struct sr_config *src;
	71	struct sr_serial_dev_inst *serial;
	72	struct sr_dev_inst *sdi;
43376f33	73	GSList *l;
5a2c71cc GH	74	const char *conn;
	75
	76	conn = NULL;
	77	for (l = options; l; l = l->next) {
	78	src = l->data;
	79	if (src->key == SR_CONF_CONN)
	80	conn = g_variant_get_string(src->data, NULL);
	81	}
	82	if (!conn)
	83	return NULL;
	84
	85	serial = sr_serial_dev_inst_new(conn, SERIALCOMM);
	86
	87	if (serial_open(serial, SERIAL_RDONLY) != SR_OK)
	88	return NULL;
	89
5a2c71cc GH	90	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	91	sdi->status = SR_ST_INACTIVE;
	92	sdi->vendor = g_strdup("PCE");
	93	sdi->model = g_strdup("PCE-322A");
	94	devc = g_malloc0(sizeof(struct dev_context));
	95	devc->cur_mqflags = SR_MQFLAG_SPL_TIME_WEIGHT_F \| SR_MQFLAG_SPL_FREQ_WEIGHT_A;
	96	sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM);
	97	sdi->inst_type = SR_INST_SERIAL;
	98	sdi->priv = devc;
5a2c71cc	99	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "SPL");
5a2c71cc GH	100
	101	serial_close(serial);
	102
43376f33	103	return std_scan_complete(di, g_slist_append(NULL, sdi));
5a2c71cc GH	104	}
5a2c71cc GH	105
5a2c71cc GH	106	static int config_get(uint32_t key, GVariant **data,
	107	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	108	{
	109	struct dev_context *devc;
	110	GVariant *range[2];
	111	uint64_t low, high;
	112	uint64_t tmp;
	113	int ret;
	114
	115	(void)cg;
	116
	117	if (!sdi)
	118	return SR_ERR_ARG;
	119
	120	devc = sdi->priv;
	121	ret = SR_OK;
	122	switch (key) {
	123	case SR_CONF_LIMIT_SAMPLES:
	124	*data = g_variant_new_uint64(devc->limit_samples);
	125	break;
	126	case SR_CONF_SPL_WEIGHT_FREQ:
	127	tmp = pce_322a_weight_freq_get(sdi);
	128	if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A)
	129	*data = g_variant_new_string("A");
	130	else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C)
	131	*data = g_variant_new_string("C");
	132	else
	133	return SR_ERR;
	134	break;
	135	case SR_CONF_SPL_WEIGHT_TIME:
	136	tmp = pce_322a_weight_time_get(sdi);
	137	if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F)
	138	*data = g_variant_new_string("F");
	139	else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S)
	140	*data = g_variant_new_string("S");
	141	else
	142	return SR_ERR;
	143	break;
	144	case SR_CONF_SPL_MEASUREMENT_RANGE:
	145	if ((ret = pce_322a_meas_range_get(sdi, &low, &high)) == SR_OK) {
	146	range[0] = g_variant_new_uint64(low);
	147	range[1] = g_variant_new_uint64(high);
	148	*data = g_variant_new_tuple(range, 2);
	149	}
	150	break;
	151	case SR_CONF_POWER_OFF:
	152	*data = g_variant_new_boolean(FALSE);
	153	break;
ae87e02f MG	154	case SR_CONF_DATA_SOURCE:
	155	if (devc->cur_data_source == DATA_SOURCE_LIVE)
	156	*data = g_variant_new_string("Live");
	157	else
	158	*data = g_variant_new_string("Memory");
	159	break;
5a2c71cc GH	160	default:
	161	return SR_ERR_NA;
	162	}
	163
	164	return ret;
	165	}
	166
	167	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
	168	const struct sr_channel_group *cg)
	169	{
	170	struct dev_context *devc;
	171	uint64_t tmp_u64, low, high;
	172	unsigned int i;
	173	int ret;
	174	const char *tmp_str;
	175
	176	(void)cg;
	177
5a2c71cc GH	178	devc = sdi->priv;
	179
	180	ret = SR_OK;
	181	switch (key) {
	182	case SR_CONF_LIMIT_SAMPLES:
	183	tmp_u64 = g_variant_get_uint64(data);
	184	devc->limit_samples = tmp_u64;
	185	ret = SR_OK;
	186	break;
	187	case SR_CONF_SPL_WEIGHT_FREQ:
	188	tmp_str = g_variant_get_string(data, NULL);
	189	if (!strcmp(tmp_str, "A"))
	190	ret = pce_322a_weight_freq_set(sdi,
	191	SR_MQFLAG_SPL_FREQ_WEIGHT_A);
	192	else if (!strcmp(tmp_str, "C"))
	193	ret = pce_322a_weight_freq_set(sdi,
	194	SR_MQFLAG_SPL_FREQ_WEIGHT_C);
	195	else
	196	return SR_ERR_ARG;
	197	break;
	198	case SR_CONF_SPL_WEIGHT_TIME:
	199	tmp_str = g_variant_get_string(data, NULL);
	200	if (!strcmp(tmp_str, "F"))
	201	ret = pce_322a_weight_time_set(sdi,
	202	SR_MQFLAG_SPL_TIME_WEIGHT_F);
	203	else if (!strcmp(tmp_str, "S"))
	204	ret = pce_322a_weight_time_set(sdi,
	205	SR_MQFLAG_SPL_TIME_WEIGHT_S);
	206	else
	207	return SR_ERR_ARG;
	208	break;
	209	case SR_CONF_SPL_MEASUREMENT_RANGE:
	210	g_variant_get(data, "(tt)", &low, &high);
	211	ret = SR_ERR_ARG;
	212	for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
	213	if (meas_ranges[i][0] == low && meas_ranges[i][1] == high) {
	214	ret = pce_322a_meas_range_set(sdi, low, high);
	215	break;
	216	}
	217	}
	218	break;
	219	case SR_CONF_POWER_OFF:
	220	if (g_variant_get_boolean(data))
	221	ret = pce_322a_power_off(sdi);
	222	break;
ae87e02f MG	223	case SR_CONF_DATA_SOURCE:
	224	tmp_str = g_variant_get_string(data, NULL);
	225	if (!strcmp(tmp_str, "Live"))
	226	devc->cur_data_source = DATA_SOURCE_LIVE;
	227	else if (!strcmp(tmp_str, "Memory"))
	228	devc->cur_data_source = DATA_SOURCE_MEMORY;
	229	else
	230	return SR_ERR;
	231	break;
5a2c71cc GH	232	default:
	233	ret = SR_ERR_NA;
	234	}
	235
	236	return ret;
	237	}
	238
	239	static int config_list(uint32_t key, GVariant **data,
	240	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	241	{
	242	GVariant tuple, range[2];
	243	GVariantBuilder gvb;
	244	unsigned int i;
	245	int ret;
	246
	247	(void)cg;
	248
	249	ret = SR_OK;
	250	if (!sdi) {
	251	switch (key) {
	252	case SR_CONF_SCAN_OPTIONS:
	253	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	254	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
	255	break;
	256	case SR_CONF_DEVICE_OPTIONS:
	257	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	258	drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
	259	break;
	260	default:
	261	return SR_ERR_NA;
	262	}
	263	} else {
	264	switch (key) {
	265	case SR_CONF_DEVICE_OPTIONS:
	266	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	267	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
	268	break;
	269	case SR_CONF_SPL_WEIGHT_FREQ:
	270	*data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
	271	break;
	272	case SR_CONF_SPL_WEIGHT_TIME:
	273	*data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
	274	break;
	275	case SR_CONF_SPL_MEASUREMENT_RANGE:
	276	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	277	for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
	278	range[0] = g_variant_new_uint64(meas_ranges[i][0]);
	279	range[1] = g_variant_new_uint64(meas_ranges[i][1]);
	280	tuple = g_variant_new_tuple(range, 2);
	281	g_variant_builder_add_value(&gvb, tuple);
	282	}
	283	*data = g_variant_builder_end(&gvb);
	284	break;
ae87e02f MG	285	case SR_CONF_DATA_SOURCE:
	286	*data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
	287	break;
5a2c71cc GH	288	default:
	289	return SR_ERR_NA;
	290	}
	291	}
	292
	293	return ret;
	294	}
	295
	296	static int dev_open(struct sr_dev_inst *sdi)
	297	{
	298	int ret;
	299
	300	ret = std_serial_dev_open(sdi);
	301	if (ret != SR_OK)
	302	return ret;
	303
	304	return pce_322a_connect(sdi);
	305	}
	306
	307	static int dev_close(struct sr_dev_inst *sdi)
	308	{
	309	/*
	310	* Ensure device gets properly disconnected even when there was
	311	* no acquisition.
	312	*/
	313	pce_322a_disconnect(sdi);
	314
	315	return std_serial_dev_close(sdi);
	316	}
	317
	318	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	319	{
	320	struct dev_context *devc;
	321	struct sr_serial_dev_inst *serial;
	322
5a2c71cc GH	323	devc = sdi->priv;
5a2c71cc GH	324	devc->buffer_len = 0;
ae87e02f	325	devc->memory_state = MEM_STATE_REQUEST_MEMORY_USAGE;
5a2c71cc	326
bee2b016	327	std_session_send_df_header(sdi);
5a2c71cc GH	328
	329	/* Poll every 150ms, or whenever some data comes in. */
	330	serial = sdi->conn;
	331	serial_source_add(sdi->session, serial, G_IO_IN, 150,
	332	pce_322a_receive_data, (void *)sdi);
	333
	334	return SR_OK;
	335	}
	336
5a2c71cc GH	337	static struct sr_dev_driver pce_322a_driver_info = {
	338	.name = "pce-322a",
	339	.longname = "PCE PCE-322A",
	340	.api_version = 1,
	341	.init = std_init,
	342	.cleanup = std_cleanup,
	343	.scan = scan,
	344	.dev_list = std_dev_list,
f778bf02	345	.dev_clear = std_dev_clear,
5a2c71cc GH	346	.config_get = config_get,
	347	.config_set = config_set,
	348	.config_list = config_list,
	349	.dev_open = dev_open,
	350	.dev_close = dev_close,
	351	.dev_acquisition_start = dev_acquisition_start,
4b1a9d5d	352	.dev_acquisition_stop = std_serial_dev_acquisition_stop,
5a2c71cc GH	353	.context = NULL,
	354	};
	355	SR_REGISTER_DEV_DRIVER(pce_322a_driver_info);