[libsigrok.git] / src / hardware / cem-dt-885x / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2013 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 <config.h>
#include <string.h>
#include "protocol.h"

#define SERIALCOMM "9600/8n1"

/* 23ms is the longest interval between tokens. */
#define MAX_SCAN_TIME_US (25 * 1000)

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_DATALOG | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_HOLD_MAX | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_HOLD_MIN | SR_CONF_GET | SR_CONF_SET,
	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",
};

SR_PRIV struct sr_dev_driver cem_dt_885x_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_config *src;
	struct sr_serial_dev_inst *serial;
	struct sr_dev_inst *sdi;
	GSList *l, *devices;
	gint64 start;
	const char *conn;
	unsigned char c;

	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;

	devices = NULL;
	drvc = di->context;
	start = g_get_monotonic_time();
	while (g_get_monotonic_time() - start < MAX_SCAN_TIME_US) {
		if (serial_read_nonblocking(serial, &c, 1) == 1 && c == 0xa5) {
			/* Found one. */
			sdi = g_malloc0(sizeof(struct sr_dev_inst));
			sdi->status = SR_ST_INACTIVE;
			sdi->vendor = g_strdup("CEM");
			sdi->model = g_strdup("DT-885x");
			devc = g_malloc0(sizeof(struct dev_context));
			devc->cur_mqflags = 0;
			devc->recording = -1;
			devc->cur_meas_range = 0;
			devc->cur_data_source = DATA_SOURCE_LIVE;
			devc->enable_data_source_memory = FALSE;
			sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM);
			sdi->inst_type = SR_INST_SERIAL;
			sdi->priv = devc;
			sdi->driver = di;
			sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "SPL");
			drvc->instances = g_slist_append(drvc->instances, sdi);
			devices = g_slist_append(devices, sdi);
			break;
		}
		/* It takes about 1ms for a byte to come in. */
		g_usleep(1000);
	}

	serial_close(serial);

	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_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;
	int tmp, 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_DATALOG:
		if ((ret = cem_dt_885x_recording_get(sdi, &tmp)) == SR_OK)
			*data = g_variant_new_boolean(tmp);
		break;
	case SR_CONF_SPL_WEIGHT_FREQ:
		tmp = cem_dt_885x_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 = cem_dt_885x_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_HOLD_MAX:
		if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
			*data = g_variant_new_boolean(tmp == SR_MQFLAG_MAX);
		break;
	case SR_CONF_HOLD_MIN:
		if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
			*data = g_variant_new_boolean(tmp == SR_MQFLAG_MIN);
		break;
	case SR_CONF_SPL_MEASUREMENT_RANGE:
		if ((ret = cem_dt_885x_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 tmp, ret;
	const char *tmp_str;

	(void)cg;

	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;
	}

	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_DATALOG:
		ret = cem_dt_885x_recording_set(sdi, g_variant_get_boolean(data));
		break;
	case SR_CONF_SPL_WEIGHT_FREQ:
		tmp_str = g_variant_get_string(data, NULL);
		if (!strcmp(tmp_str, "A"))
			ret = cem_dt_885x_weight_freq_set(sdi,
					SR_MQFLAG_SPL_FREQ_WEIGHT_A);
		else if (!strcmp(tmp_str, "C"))
			ret = cem_dt_885x_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 = cem_dt_885x_weight_time_set(sdi,
					SR_MQFLAG_SPL_TIME_WEIGHT_F);
		else if (!strcmp(tmp_str, "S"))
			ret = cem_dt_885x_weight_time_set(sdi,
					SR_MQFLAG_SPL_TIME_WEIGHT_S);
		else
			return SR_ERR_ARG;
		break;
	case SR_CONF_HOLD_MAX:
		tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MAX : 0;
		ret = cem_dt_885x_holdmode_set(sdi, tmp);
		break;
	case SR_CONF_HOLD_MIN:
		tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MIN : 0;
		ret = cem_dt_885x_holdmode_set(sdi, tmp);
		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 = cem_dt_885x_meas_range_set(sdi, low, high);
				break;
			}
		}
		break;
	case SR_CONF_POWER_OFF:
		if (g_variant_get_boolean(data))
			ret = cem_dt_885x_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;
		devc->enable_data_source_memory = devc->cur_data_source == DATA_SOURCE_MEMORY;
		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_acquisition_start(const struct sr_dev_inst *sdi)
{
	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->state = ST_INIT;
	devc->num_samples = 0;
	devc->buf_len = 0;

	std_session_send_df_header(sdi, LOG_PREFIX);

	/* Poll every 100ms, or whenever some data comes in. */
	serial = sdi->conn;
	serial_source_add(sdi->session, serial, G_IO_IN, 150,
			cem_dt_885x_receive_data, (void *)sdi);

	return SR_OK;
}

static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
			sdi->conn, LOG_PREFIX);
}

SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info = {
	.name = "cem-dt-885x",
	.longname = "CEM DT-885x",
	.api_version = 1,
	.init = init,
	.cleanup = cleanup,
	.scan = scan,
	.dev_list = dev_list,
	.dev_clear = NULL,
	.config_get = config_get,
	.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) 2013 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 <config.h>
	21	#include <string.h>
	22	#include "protocol.h"
	23
	24	#define SERIALCOMM "9600/8n1"
	25
	26	/* 23ms is the longest interval between tokens. */
	27	#define MAX_SCAN_TIME_US (25 * 1000)
	28
	29	static const uint32_t scanopts[] = {
	30	SR_CONF_CONN,
	31	};
	32
	33	static const uint32_t drvopts[] = {
	34	SR_CONF_SOUNDLEVELMETER,
	35	};
	36
	37	static const uint32_t devopts[] = {
	38	SR_CONF_CONTINUOUS \| SR_CONF_SET,
	39	SR_CONF_LIMIT_SAMPLES \| SR_CONF_GET \| SR_CONF_SET,
	40	SR_CONF_SPL_WEIGHT_FREQ \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	41	SR_CONF_SPL_WEIGHT_TIME \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	42	SR_CONF_SPL_MEASUREMENT_RANGE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	43	SR_CONF_DATALOG \| SR_CONF_GET \| SR_CONF_SET,
	44	SR_CONF_HOLD_MAX \| SR_CONF_GET \| SR_CONF_SET,
	45	SR_CONF_HOLD_MIN \| SR_CONF_GET \| SR_CONF_SET,
	46	SR_CONF_POWER_OFF \| SR_CONF_GET \| SR_CONF_SET,
	47	SR_CONF_DATA_SOURCE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	48	};
	49
	50	static const char *weight_freq[] = {
	51	"A",
	52	"C",
	53	};
	54
	55	static const char *weight_time[] = {
	56	"F",
	57	"S",
	58	};
	59
	60	static const uint64_t meas_ranges[][2] = {
	61	{ 30, 130 },
	62	{ 30, 80 },
	63	{ 50, 100 },
	64	{ 80, 130 },
	65	};
	66
	67	static const char *data_sources[] = {
	68	"Live",
	69	"Memory",
	70	};
	71
	72	SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info;
	73
	74	static int init(struct sr_dev_driver di, struct sr_context sr_ctx)
	75	{
	76	return std_init(sr_ctx, di, LOG_PREFIX);
	77	}
	78
	79	static GSList scan(struct sr_dev_driver di, GSList *options)
	80	{
	81	struct drv_context *drvc;
	82	struct dev_context *devc;
	83	struct sr_config *src;
	84	struct sr_serial_dev_inst *serial;
	85	struct sr_dev_inst *sdi;
	86	GSList l, devices;
	87	gint64 start;
	88	const char *conn;
	89	unsigned char c;
	90
	91	conn = NULL;
	92	for (l = options; l; l = l->next) {
	93	src = l->data;
	94	if (src->key == SR_CONF_CONN)
	95	conn = g_variant_get_string(src->data, NULL);
	96	}
	97	if (!conn)
	98	return NULL;
	99
	100	serial = sr_serial_dev_inst_new(conn, SERIALCOMM);
	101
	102	if (serial_open(serial, SERIAL_RDONLY) != SR_OK)
	103	return NULL;
	104
	105	devices = NULL;
	106	drvc = di->context;
	107	start = g_get_monotonic_time();
	108	while (g_get_monotonic_time() - start < MAX_SCAN_TIME_US) {
	109	if (serial_read_nonblocking(serial, &c, 1) == 1 && c == 0xa5) {
	110	/* Found one. */
	111	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	112	sdi->status = SR_ST_INACTIVE;
	113	sdi->vendor = g_strdup("CEM");
	114	sdi->model = g_strdup("DT-885x");
	115	devc = g_malloc0(sizeof(struct dev_context));
	116	devc->cur_mqflags = 0;
	117	devc->recording = -1;
	118	devc->cur_meas_range = 0;
	119	devc->cur_data_source = DATA_SOURCE_LIVE;
	120	devc->enable_data_source_memory = FALSE;
	121	sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM);
	122	sdi->inst_type = SR_INST_SERIAL;
	123	sdi->priv = devc;
	124	sdi->driver = di;
	125	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "SPL");
	126	drvc->instances = g_slist_append(drvc->instances, sdi);
	127	devices = g_slist_append(devices, sdi);
	128	break;
	129	}
	130	/* It takes about 1ms for a byte to come in. */
	131	g_usleep(1000);
	132	}
	133
	134	serial_close(serial);
	135
	136	return devices;
	137	}
	138
	139	static GSList dev_list(const struct sr_dev_driver di)
	140	{
	141	return ((struct drv_context *)(di->context))->instances;
	142	}
	143
	144	static int cleanup(const struct sr_dev_driver *di)
	145	{
	146	return std_dev_clear(di, NULL);
	147	}
	148
	149	static int config_get(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	150	const struct sr_channel_group *cg)
	151	{
	152	struct dev_context *devc;
	153	GVariant *range[2];
	154	uint64_t low, high;
	155	int tmp, ret;
	156
	157	(void)cg;
	158
	159	if (!sdi)
	160	return SR_ERR_ARG;
	161
	162	devc = sdi->priv;
	163	ret = SR_OK;
	164	switch (key) {
	165	case SR_CONF_LIMIT_SAMPLES:
	166	*data = g_variant_new_uint64(devc->limit_samples);
	167	break;
	168	case SR_CONF_DATALOG:
	169	if ((ret = cem_dt_885x_recording_get(sdi, &tmp)) == SR_OK)
	170	*data = g_variant_new_boolean(tmp);
	171	break;
	172	case SR_CONF_SPL_WEIGHT_FREQ:
	173	tmp = cem_dt_885x_weight_freq_get(sdi);
	174	if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A)
	175	*data = g_variant_new_string("A");
	176	else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C)
	177	*data = g_variant_new_string("C");
	178	else
	179	return SR_ERR;
	180	break;
	181	case SR_CONF_SPL_WEIGHT_TIME:
	182	tmp = cem_dt_885x_weight_time_get(sdi);
	183	if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F)
	184	*data = g_variant_new_string("F");
	185	else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S)
	186	*data = g_variant_new_string("S");
	187	else
	188	return SR_ERR;
	189	break;
	190	case SR_CONF_HOLD_MAX:
	191	if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
	192	*data = g_variant_new_boolean(tmp == SR_MQFLAG_MAX);
	193	break;
	194	case SR_CONF_HOLD_MIN:
	195	if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
	196	*data = g_variant_new_boolean(tmp == SR_MQFLAG_MIN);
	197	break;
	198	case SR_CONF_SPL_MEASUREMENT_RANGE:
	199	if ((ret = cem_dt_885x_meas_range_get(sdi, &low, &high)) == SR_OK) {
	200	range[0] = g_variant_new_uint64(low);
	201	range[1] = g_variant_new_uint64(high);
	202	*data = g_variant_new_tuple(range, 2);
	203	}
	204	break;
	205	case SR_CONF_POWER_OFF:
	206	*data = g_variant_new_boolean(FALSE);
	207	break;
	208	case SR_CONF_DATA_SOURCE:
	209	if (devc->cur_data_source == DATA_SOURCE_LIVE)
	210	*data = g_variant_new_string("Live");
	211	else
	212	*data = g_variant_new_string("Memory");
	213	break;
	214	default:
	215	return SR_ERR_NA;
	216	}
	217
	218	return ret;
	219	}
	220
	221	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
	222	const struct sr_channel_group *cg)
	223	{
	224	struct dev_context *devc;
	225	uint64_t tmp_u64, low, high;
	226	unsigned int i;
	227	int tmp, ret;
	228	const char *tmp_str;
	229
	230	(void)cg;
	231
	232	if (sdi->status != SR_ST_ACTIVE)
	233	return SR_ERR_DEV_CLOSED;
	234
	235	if (!(devc = sdi->priv)) {
	236	sr_err("sdi->priv was NULL.");
	237	return SR_ERR_BUG;
	238	}
	239
	240	ret = SR_OK;
	241	switch (key) {
	242	case SR_CONF_LIMIT_SAMPLES:
	243	tmp_u64 = g_variant_get_uint64(data);
	244	devc->limit_samples = tmp_u64;
	245	ret = SR_OK;
	246	break;
	247	case SR_CONF_DATALOG:
	248	ret = cem_dt_885x_recording_set(sdi, g_variant_get_boolean(data));
	249	break;
	250	case SR_CONF_SPL_WEIGHT_FREQ:
	251	tmp_str = g_variant_get_string(data, NULL);
	252	if (!strcmp(tmp_str, "A"))
	253	ret = cem_dt_885x_weight_freq_set(sdi,
	254	SR_MQFLAG_SPL_FREQ_WEIGHT_A);
	255	else if (!strcmp(tmp_str, "C"))
	256	ret = cem_dt_885x_weight_freq_set(sdi,
	257	SR_MQFLAG_SPL_FREQ_WEIGHT_C);
	258	else
	259	return SR_ERR_ARG;
	260	break;
	261	case SR_CONF_SPL_WEIGHT_TIME:
	262	tmp_str = g_variant_get_string(data, NULL);
	263	if (!strcmp(tmp_str, "F"))
	264	ret = cem_dt_885x_weight_time_set(sdi,
	265	SR_MQFLAG_SPL_TIME_WEIGHT_F);
	266	else if (!strcmp(tmp_str, "S"))
	267	ret = cem_dt_885x_weight_time_set(sdi,
	268	SR_MQFLAG_SPL_TIME_WEIGHT_S);
	269	else
	270	return SR_ERR_ARG;
	271	break;
	272	case SR_CONF_HOLD_MAX:
	273	tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MAX : 0;
	274	ret = cem_dt_885x_holdmode_set(sdi, tmp);
	275	break;
	276	case SR_CONF_HOLD_MIN:
	277	tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MIN : 0;
	278	ret = cem_dt_885x_holdmode_set(sdi, tmp);
	279	break;
	280	case SR_CONF_SPL_MEASUREMENT_RANGE:
	281	g_variant_get(data, "(tt)", &low, &high);
	282	ret = SR_ERR_ARG;
	283	for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
	284	if (meas_ranges[i][0] == low && meas_ranges[i][1] == high) {
	285	ret = cem_dt_885x_meas_range_set(sdi, low, high);
	286	break;
	287	}
	288	}
	289	break;
	290	case SR_CONF_POWER_OFF:
	291	if (g_variant_get_boolean(data))
	292	ret = cem_dt_885x_power_off(sdi);
	293	break;
	294	case SR_CONF_DATA_SOURCE:
	295	tmp_str = g_variant_get_string(data, NULL);
	296	if (!strcmp(tmp_str, "Live"))
	297	devc->cur_data_source = DATA_SOURCE_LIVE;
	298	else if (!strcmp(tmp_str, "Memory"))
	299	devc->cur_data_source = DATA_SOURCE_MEMORY;
	300	else
	301	return SR_ERR;
	302	devc->enable_data_source_memory = devc->cur_data_source == DATA_SOURCE_MEMORY;
	303	break;
	304	default:
	305	ret = SR_ERR_NA;
	306	}
	307
	308	return ret;
	309	}
	310
	311	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	312	const struct sr_channel_group *cg)
	313	{
	314	GVariant tuple, range[2];
	315	GVariantBuilder gvb;
	316	unsigned int i;
	317	int ret;
	318
	319	(void)cg;
	320
	321	ret = SR_OK;
	322	if (!sdi) {
	323	switch (key) {
	324	case SR_CONF_SCAN_OPTIONS:
	325	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	326	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
	327	break;
	328	case SR_CONF_DEVICE_OPTIONS:
	329	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	330	drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
	331	break;
	332	default:
	333	return SR_ERR_NA;
	334	}
	335	} else {
	336	switch (key) {
	337	case SR_CONF_DEVICE_OPTIONS:
	338	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	339	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
	340	break;
	341	case SR_CONF_SPL_WEIGHT_FREQ:
	342	*data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
	343	break;
	344	case SR_CONF_SPL_WEIGHT_TIME:
	345	*data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
	346	break;
	347	case SR_CONF_SPL_MEASUREMENT_RANGE:
	348	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	349	for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
	350	range[0] = g_variant_new_uint64(meas_ranges[i][0]);
	351	range[1] = g_variant_new_uint64(meas_ranges[i][1]);
	352	tuple = g_variant_new_tuple(range, 2);
	353	g_variant_builder_add_value(&gvb, tuple);
	354	}
	355	*data = g_variant_builder_end(&gvb);
	356	break;
	357	case SR_CONF_DATA_SOURCE:
	358	*data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
	359	break;
	360	default:
	361	return SR_ERR_NA;
	362	}
	363	}
	364
	365	return ret;
	366	}
	367
	368	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	369	{
	370	struct dev_context *devc;
	371	struct sr_serial_dev_inst *serial;
	372
	373	if (sdi->status != SR_ST_ACTIVE)
	374	return SR_ERR_DEV_CLOSED;
	375
	376	devc = sdi->priv;
	377	devc->state = ST_INIT;
	378	devc->num_samples = 0;
	379	devc->buf_len = 0;
	380
	381	std_session_send_df_header(sdi, LOG_PREFIX);
	382
	383	/* Poll every 100ms, or whenever some data comes in. */
	384	serial = sdi->conn;
	385	serial_source_add(sdi->session, serial, G_IO_IN, 150,
	386	cem_dt_885x_receive_data, (void *)sdi);
	387
	388	return SR_OK;
	389	}
	390
	391	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
	392	{
	393	if (sdi->status != SR_ST_ACTIVE)
	394	return SR_ERR_DEV_CLOSED;
	395
	396	return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
	397	sdi->conn, LOG_PREFIX);
	398	}
	399
	400	SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info = {
	401	.name = "cem-dt-885x",
	402	.longname = "CEM DT-885x",
	403	.api_version = 1,
	404	.init = init,
	405	.cleanup = cleanup,
	406	.scan = scan,
	407	.dev_list = dev_list,
	408	.dev_clear = NULL,
	409	.config_get = config_get,
	410	.config_set = config_set,
	411	.config_list = config_list,
	412	.dev_open = std_serial_dev_open,
	413	.dev_close = std_serial_dev_close,
	414	.dev_acquisition_start = dev_acquisition_start,
	415	.dev_acquisition_stop = dev_acquisition_stop,
	416	.context = NULL,
	417	};