[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 <string.h>
#include "protocol.h"

#define SERIALCOMM "9600/8n1"
/* 23ms is the longest interval between tokens. */
#define MAX_SCAN_TIME 25 * 1000

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

static const uint32_t devopts[] = {
	SR_CONF_SOUNDLEVELMETER,
	SR_CONF_CONTINUOUS,
	SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
};

static const uint32_t devopts_global[] = {
	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 struct sr_dev_driver *di = &cem_dt_885x_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_config *src;
	struct sr_serial_dev_inst *serial;
	struct sr_dev_inst *sdi;
	struct sr_channel *ch;
	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;

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

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

	devices = NULL;
	drvc = di->priv;
	start = g_get_monotonic_time();
	while (g_get_monotonic_time() - start < MAX_SCAN_TIME) {
		if (serial_read_nonblocking(serial, &c, 1) == 1 && c == 0xa5) {
			/* Found one. */
			if (!(sdi = sr_dev_inst_new(SR_ST_INACTIVE, "CEM",
					"DT-885x", NULL)))
				return NULL;

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

			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 (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "SPL")))
				return NULL;
			sdi->channels = g_slist_append(sdi->channels, ch);
			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(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 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,
					devopts, ARRAY_SIZE(devopts), 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_global, ARRAY_SIZE(devopts_global), sizeof(uint32_t));
		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, 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;
	devc->state = ST_INIT;
	devc->num_samples = 0;
	devc->buf_len = 0;

	/* Send header packet to the session bus. */
	std_session_send_df_header(cb_data, 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, void *cb_data)
{
	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	return std_serial_dev_acquisition_stop(sdi, cb_data, 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 = 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) 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 <string.h>
	21	#include "protocol.h"
	22
	23	#define SERIALCOMM "9600/8n1"
	24	/* 23ms is the longest interval between tokens. */
	25	#define MAX_SCAN_TIME 25 * 1000
	26
	27	static const uint32_t scanopts[] = {
	28	SR_CONF_CONN,
	29	};
	30
	31	static const uint32_t devopts[] = {
	32	SR_CONF_SOUNDLEVELMETER,
	33	SR_CONF_CONTINUOUS,
	34	SR_CONF_LIMIT_SAMPLES \| SR_CONF_GET \| SR_CONF_SET,
	35	};
	36
	37	static const uint32_t devopts_global[] = {
	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_DATALOG \| SR_CONF_GET \| SR_CONF_SET,
	42	SR_CONF_HOLD_MAX \| SR_CONF_GET \| SR_CONF_SET,
	43	SR_CONF_HOLD_MIN \| SR_CONF_GET \| SR_CONF_SET,
	44	SR_CONF_POWER_OFF \| SR_CONF_GET \| SR_CONF_SET,
	45	SR_CONF_DATA_SOURCE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	46	};
	47
	48	static const char *weight_freq[] = {
	49	"A",
	50	"C",
	51	};
	52
	53	static const char *weight_time[] = {
	54	"F",
	55	"S",
	56	};
	57
	58	static const uint64_t meas_ranges[][2] = {
	59	{ 30, 130 },
	60	{ 30, 80 },
	61	{ 50, 100 },
	62	{ 80, 130 },
	63	};
	64
	65	static const char *data_sources[] = {
	66	"Live",
	67	"Memory",
	68	};
	69	SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info;
	70	static struct sr_dev_driver *di = &cem_dt_885x_driver_info;
	71
	72
	73	static int init(struct sr_context *sr_ctx)
	74	{
	75	return std_init(sr_ctx, di, LOG_PREFIX);
	76	}
	77
	78	static GSList scan(GSList options)
	79	{
	80	struct drv_context *drvc;
	81	struct dev_context *devc;
	82	struct sr_config *src;
	83	struct sr_serial_dev_inst *serial;
	84	struct sr_dev_inst *sdi;
	85	struct sr_channel *ch;
	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	if (!(serial = sr_serial_dev_inst_new(conn, SERIALCOMM)))
	101	return NULL;
	102
	103	if (serial_open(serial, SERIAL_RDONLY) != SR_OK)
	104	return NULL;
	105
	106	devices = NULL;
	107	drvc = di->priv;
	108	start = g_get_monotonic_time();
	109	while (g_get_monotonic_time() - start < MAX_SCAN_TIME) {
	110	if (serial_read_nonblocking(serial, &c, 1) == 1 && c == 0xa5) {
	111	/* Found one. */
	112	if (!(sdi = sr_dev_inst_new(SR_ST_INACTIVE, "CEM",
	113	"DT-885x", NULL)))
	114	return NULL;
	115
	116	if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
	117	sr_dbg("Device context malloc failed.");
	118	return NULL;
	119	}
	120	devc->cur_mqflags = 0;
	121	devc->recording = -1;
	122	devc->cur_meas_range = 0;
	123	devc->cur_data_source = DATA_SOURCE_LIVE;
	124	devc->enable_data_source_memory = FALSE;
	125
	126	if (!(sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM)))
	127	return NULL;
	128
	129	sdi->inst_type = SR_INST_SERIAL;
	130	sdi->priv = devc;
	131	sdi->driver = di;
	132	if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "SPL")))
	133	return NULL;
	134	sdi->channels = g_slist_append(sdi->channels, ch);
	135	drvc->instances = g_slist_append(drvc->instances, sdi);
	136	devices = g_slist_append(devices, sdi);
	137	break;
	138	}
	139	/* It takes about 1ms for a byte to come in. */
	140	g_usleep(1000);
	141	}
	142
	143	serial_close(serial);
	144
	145	return devices;
	146	}
	147
	148	static GSList *dev_list(void)
	149	{
	150	return ((struct drv_context *)(di->priv))->instances;
	151	}
	152
	153	static int dev_open(struct sr_dev_inst *sdi)
	154	{
	155	struct sr_serial_dev_inst *serial;
	156
	157	serial = sdi->conn;
	158	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	159	return SR_ERR;
	160
	161	sdi->status = SR_ST_ACTIVE;
	162
	163	return SR_OK;
	164	}
	165
	166	static int cleanup(void)
	167	{
	168	return std_dev_clear(di, NULL);
	169	}
	170
	171	static int config_get(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	172	const struct sr_channel_group *cg)
	173	{
	174	struct dev_context *devc;
	175	GVariant *range[2];
	176	uint64_t low, high;
	177	int tmp, ret;
	178
	179	(void)cg;
	180
	181	if (!sdi)
	182	return SR_ERR_ARG;
	183
	184	devc = sdi->priv;
	185	ret = SR_OK;
	186	switch (key) {
	187	case SR_CONF_LIMIT_SAMPLES:
	188	*data = g_variant_new_uint64(devc->limit_samples);
	189	break;
	190	case SR_CONF_DATALOG:
	191	if ((ret = cem_dt_885x_recording_get(sdi, &tmp)) == SR_OK)
	192	*data = g_variant_new_boolean(tmp);
	193	break;
	194	case SR_CONF_SPL_WEIGHT_FREQ:
	195	tmp = cem_dt_885x_weight_freq_get(sdi);
	196	if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A)
	197	*data = g_variant_new_string("A");
	198	else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C)
	199	*data = g_variant_new_string("C");
	200	else
	201	return SR_ERR;
	202	break;
	203	case SR_CONF_SPL_WEIGHT_TIME:
	204	tmp = cem_dt_885x_weight_time_get(sdi);
	205	if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F)
	206	*data = g_variant_new_string("F");
	207	else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S)
	208	*data = g_variant_new_string("S");
	209	else
	210	return SR_ERR;
	211	break;
	212	case SR_CONF_HOLD_MAX:
	213	if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
	214	*data = g_variant_new_boolean(tmp == SR_MQFLAG_MAX);
	215	break;
	216	case SR_CONF_HOLD_MIN:
	217	if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
	218	*data = g_variant_new_boolean(tmp == SR_MQFLAG_MIN);
	219	break;
	220	case SR_CONF_SPL_MEASUREMENT_RANGE:
	221	if ((ret = cem_dt_885x_meas_range_get(sdi, &low, &high)) == SR_OK) {
	222	range[0] = g_variant_new_uint64(low);
	223	range[1] = g_variant_new_uint64(high);
	224	*data = g_variant_new_tuple(range, 2);
	225	}
	226	break;
	227	case SR_CONF_POWER_OFF:
	228	*data = g_variant_new_boolean(FALSE);
	229	break;
	230	case SR_CONF_DATA_SOURCE:
	231	if (devc->cur_data_source == DATA_SOURCE_LIVE)
	232	*data = g_variant_new_string("Live");
	233	else
	234	*data = g_variant_new_string("Memory");
	235	break;
	236	default:
	237	return SR_ERR_NA;
	238	}
	239
	240	return ret;
	241	}
	242
	243	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
	244	const struct sr_channel_group *cg)
	245	{
	246	struct dev_context *devc;
	247	uint64_t tmp_u64, low, high;
	248	unsigned int i;
	249	int tmp, ret;
	250	const char *tmp_str;
	251
	252	(void)cg;
	253
	254	if (sdi->status != SR_ST_ACTIVE)
	255	return SR_ERR_DEV_CLOSED;
	256
	257	if (!(devc = sdi->priv)) {
	258	sr_err("sdi->priv was NULL.");
	259	return SR_ERR_BUG;
	260	}
	261
	262	ret = SR_OK;
	263	switch (key) {
	264	case SR_CONF_LIMIT_SAMPLES:
	265	tmp_u64 = g_variant_get_uint64(data);
	266	devc->limit_samples = tmp_u64;
	267	ret = SR_OK;
	268	break;
	269	case SR_CONF_DATALOG:
	270	ret = cem_dt_885x_recording_set(sdi, g_variant_get_boolean(data));
	271	break;
	272	case SR_CONF_SPL_WEIGHT_FREQ:
	273	tmp_str = g_variant_get_string(data, NULL);
	274	if (!strcmp(tmp_str, "A"))
	275	ret = cem_dt_885x_weight_freq_set(sdi,
	276	SR_MQFLAG_SPL_FREQ_WEIGHT_A);
	277	else if (!strcmp(tmp_str, "C"))
	278	ret = cem_dt_885x_weight_freq_set(sdi,
	279	SR_MQFLAG_SPL_FREQ_WEIGHT_C);
	280	else
	281	return SR_ERR_ARG;
	282	break;
	283	case SR_CONF_SPL_WEIGHT_TIME:
	284	tmp_str = g_variant_get_string(data, NULL);
	285	if (!strcmp(tmp_str, "F"))
	286	ret = cem_dt_885x_weight_time_set(sdi,
	287	SR_MQFLAG_SPL_TIME_WEIGHT_F);
	288	else if (!strcmp(tmp_str, "S"))
	289	ret = cem_dt_885x_weight_time_set(sdi,
	290	SR_MQFLAG_SPL_TIME_WEIGHT_S);
	291	else
	292	return SR_ERR_ARG;
	293	break;
	294	case SR_CONF_HOLD_MAX:
	295	tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MAX : 0;
	296	ret = cem_dt_885x_holdmode_set(sdi, tmp);
	297	break;
	298	case SR_CONF_HOLD_MIN:
	299	tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MIN : 0;
	300	ret = cem_dt_885x_holdmode_set(sdi, tmp);
	301	break;
	302	case SR_CONF_SPL_MEASUREMENT_RANGE:
	303	g_variant_get(data, "(tt)", &low, &high);
	304	ret = SR_ERR_ARG;
	305	for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
	306	if (meas_ranges[i][0] == low && meas_ranges[i][1] == high) {
	307	ret = cem_dt_885x_meas_range_set(sdi, low, high);
	308	break;
	309	}
	310	}
	311	break;
	312	case SR_CONF_POWER_OFF:
	313	if (g_variant_get_boolean(data))
	314	ret = cem_dt_885x_power_off(sdi);
	315	break;
	316	case SR_CONF_DATA_SOURCE:
	317	tmp_str = g_variant_get_string(data, NULL);
	318	if (!strcmp(tmp_str, "Live"))
	319	devc->cur_data_source = DATA_SOURCE_LIVE;
	320	else if (!strcmp(tmp_str, "Memory"))
	321	devc->cur_data_source = DATA_SOURCE_MEMORY;
	322	else
	323	return SR_ERR;
	324	devc->enable_data_source_memory = devc->cur_data_source == DATA_SOURCE_MEMORY;
	325	break;
	326	default:
	327	ret = SR_ERR_NA;
	328	}
	329
	330	return ret;
	331	}
	332
	333	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	334	const struct sr_channel_group *cg)
	335	{
	336	GVariant tuple, range[2];
	337	GVariantBuilder gvb;
	338	unsigned int i;
	339	int ret;
	340
	341	(void)cg;
	342
	343	ret = SR_OK;
	344	if (!sdi) {
	345	switch (key) {
	346	case SR_CONF_SCAN_OPTIONS:
	347	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	348	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
	349	break;
	350	case SR_CONF_DEVICE_OPTIONS:
	351	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	352	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
	353	break;
	354	default:
	355	return SR_ERR_NA;
	356	}
	357	} else {
	358	switch (key) {
	359	case SR_CONF_DEVICE_OPTIONS:
	360	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	361	devopts_global, ARRAY_SIZE(devopts_global), sizeof(uint32_t));
	362	case SR_CONF_SPL_WEIGHT_FREQ:
	363	*data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
	364	break;
	365	case SR_CONF_SPL_WEIGHT_TIME:
	366	*data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
	367	break;
	368	case SR_CONF_SPL_MEASUREMENT_RANGE:
	369	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	370	for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
	371	range[0] = g_variant_new_uint64(meas_ranges[i][0]);
	372	range[1] = g_variant_new_uint64(meas_ranges[i][1]);
	373	tuple = g_variant_new_tuple(range, 2);
	374	g_variant_builder_add_value(&gvb, tuple);
	375	}
	376	*data = g_variant_builder_end(&gvb);
	377	break;
	378	case SR_CONF_DATA_SOURCE:
	379	*data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
	380	break;
	381	default:
	382	return SR_ERR_NA;
	383	}
	384	}
	385
	386	return ret;
	387	}
	388
	389	static int dev_acquisition_start(const struct sr_dev_inst sdi, void cb_data)
	390	{
	391	struct dev_context *devc;
	392	struct sr_serial_dev_inst *serial;
	393
	394	if (sdi->status != SR_ST_ACTIVE)
	395	return SR_ERR_DEV_CLOSED;
	396
	397	if (!(devc = sdi->priv)) {
	398	sr_err("sdi->priv was NULL.");
	399	return SR_ERR_BUG;
	400	}
	401
	402	devc->cb_data = cb_data;
	403	devc->state = ST_INIT;
	404	devc->num_samples = 0;
	405	devc->buf_len = 0;
	406
	407	/* Send header packet to the session bus. */
	408	std_session_send_df_header(cb_data, LOG_PREFIX);
	409
	410	/* Poll every 100ms, or whenever some data comes in. */
	411	serial = sdi->conn;
	412	serial_source_add(sdi->session, serial, G_IO_IN, 150,
	413	cem_dt_885x_receive_data, (void *)sdi);
	414
	415	return SR_OK;
	416	}
	417
	418	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
	419	{
	420	if (sdi->status != SR_ST_ACTIVE)
	421	return SR_ERR_DEV_CLOSED;
	422
	423	return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
	424	sdi->conn, LOG_PREFIX);
	425	}
	426
	427	SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info = {
	428	.name = "cem-dt-885x",
	429	.longname = "CEM DT-885x",
	430	.api_version = 1,
	431	.init = init,
	432	.cleanup = cleanup,
	433	.scan = scan,
	434	.dev_list = dev_list,
	435	.dev_clear = NULL,
	436	.config_get = config_get,
	437	.config_set = config_set,
	438	.config_list = config_list,
	439	.dev_open = dev_open,
	440	.dev_close = std_serial_dev_close,
	441	.dev_acquisition_start = dev_acquisition_start,
	442	.dev_acquisition_stop = dev_acquisition_stop,
	443	.priv = NULL,
	444	};