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

static const int32_t hwcaps[] = {
	SR_CONF_SOUNDLEVELMETER,
	SR_CONF_LIMIT_SAMPLES,
	SR_CONF_CONTINUOUS,
	SR_CONF_SPL_WEIGHT_FREQ,
	SR_CONF_SPL_WEIGHT_TIME,
	SR_CONF_SPL_MEASUREMENT_RANGE,
	SR_CONF_DATALOG,
	SR_CONF_HOLD_MAX,
	SR_CONF_HOLD_MIN,
	SR_CONF_POWER_OFF,
	SR_CONF_DATA_SOURCE,
};

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_probe *probe;
	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 | SERIAL_NONBLOCK) != 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(serial, &c, 1) == 1 && c == 0xa5) {
			/* Found one. */
			if (!(sdi = sr_dev_inst_new(0, 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;

			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, "SPL")))
				return NULL;
			sdi->probes = g_slist_append(sdi->probes, probe);
			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)
{
	struct drv_context *drvc;

	drvc = di->priv;

	return drvc->instances;
}

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

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 dev_close(struct sr_dev_inst *sdi)
{
	struct sr_serial_dev_inst *serial;

	serial = sdi->conn;
	if (serial && serial->fd != -1) {
		serial_close(serial);
		sdi->status = SR_ST_INACTIVE;
	}

	return SR_OK;
}

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

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

	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(int key, GVariant *data, const struct sr_dev_inst *sdi)
{
	struct dev_context *devc;
	uint64_t tmp_u64, low, high;
	unsigned int i;
	int tmp, ret;
	const char *tmp_str;

	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;
		break;
	default:
		ret = SR_ERR_NA;
	}

	return ret;
}

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

	(void)sdi;

	ret = SR_OK;
	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;
	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;
	sr_source_add(serial->fd, 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)
{
	(void)cb_data;

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

	return std_dev_acquisition_stop_serial(sdi, cb_data, dev_close,
			sdi->conn, LOG_PREFIX);

	return SR_OK;
}

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 = 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 = dev_acquisition_stop,
	.priv = NULL,
};
Commit	Line	Data
8fa9368e BV	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
be733919	20	#include <string.h>
8fa9368e BV	21	#include "protocol.h"
8fa9368e BV	22
7fb8279c BV	23	#define SERIALCOMM "9600/8n1"
	24	/* 23ms is the longest interval between tokens. */
	25	#define MAX_SCAN_TIME 25 * 1000
	26
	27	static const int32_t hwopts[] = {
	28	SR_CONF_CONN,
	29	};
	30
	31	static const int32_t hwcaps[] = {
	32	SR_CONF_SOUNDLEVELMETER,
	33	SR_CONF_LIMIT_SAMPLES,
	34	SR_CONF_CONTINUOUS,
be733919	35	SR_CONF_SPL_WEIGHT_FREQ,
1487ce4f	36	SR_CONF_SPL_WEIGHT_TIME,
4c22355f BV	37	SR_CONF_SPL_MEASUREMENT_RANGE,
4c22355f BV	38	SR_CONF_DATALOG,
a90e480c BV	39	SR_CONF_HOLD_MAX,
a90e480c BV	40	SR_CONF_HOLD_MIN,
4c22355f	41	SR_CONF_POWER_OFF,
662172d4	42	SR_CONF_DATA_SOURCE,
7fb8279c BV	43	};
7fb8279c BV	44
be733919 BV	45	static const char *weight_freq[] = {
	46	"A",
	47	"C",
	48	};
7fb8279c	49
1487ce4f BV	50	static const char *weight_time[] = {
	51	"F",
	52	"S",
	53	};
	54
f157b2ee BV	55	static const uint64_t meas_ranges[][2] = {
	56	{ 30, 130 },
	57	{ 30, 80 },
	58	{ 50, 100 },
	59	{ 80, 130 },
	60	};
	61
662172d4 BV	62	static const char *data_sources[] = {
	63	"Live",
	64	"Memory",
	65	};
8fa9368e BV	66	SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info;
	67	static struct sr_dev_driver *di = &cem_dt_885x_driver_info;
	68
	69
	70	static int init(struct sr_context *sr_ctx)
	71	{
	72	return std_init(sr_ctx, di, LOG_PREFIX);
	73	}
	74
	75	static GSList scan(GSList options)
	76	{
	77	struct drv_context *drvc;
7fb8279c BV	78	struct dev_context *devc;
	79	struct sr_config *src;
	80	struct sr_serial_dev_inst *serial;
	81	struct sr_dev_inst *sdi;
	82	struct sr_probe *probe;
	83	GSList l, devices;
	84	gint64 start;
	85	const char *conn;
	86	unsigned char c;
	87
	88	conn = NULL;
	89	for (l = options; l; l = l->next) {
	90	src = l->data;
	91	if (src->key == SR_CONF_CONN)
	92	conn = g_variant_get_string(src->data, NULL);
	93	}
	94	if (!conn)
	95	return NULL;
	96
	97	if (!(serial = sr_serial_dev_inst_new(conn, SERIALCOMM)))
	98	return NULL;
8fa9368e	99
7fb8279c BV	100	if (serial_open(serial, SERIAL_RDONLY \| SERIAL_NONBLOCK) != SR_OK)
7fb8279c BV	101	return NULL;
8fa9368e BV	102
	103	devices = NULL;
	104	drvc = di->priv;
7fb8279c BV	105	start = g_get_monotonic_time();
	106	while (g_get_monotonic_time() - start < MAX_SCAN_TIME) {
	107	if (serial_read(serial, &c, 1) == 1 && c == 0xa5) {
	108	/* Found one. */
	109	if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "CEM",
	110	"DT-885x", NULL)))
	111	return NULL;
	112
	113	if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
	114	sr_dbg("Device context malloc failed.");
	115	return NULL;
	116	}
e1af0e85 BV	117	devc->cur_mqflags = 0;
e1af0e85 BV	118	devc->recording = -1;
f157b2ee	119	devc->cur_meas_range = 0;
662172d4	120	devc->cur_data_source = DATA_SOURCE_LIVE;
7fb8279c BV	121
	122	if (!(sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM)))
	123	return NULL;
	124
	125	sdi->inst_type = SR_INST_SERIAL;
	126	sdi->priv = devc;
	127	sdi->driver = di;
e37c4b39	128	if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "SPL")))
7fb8279c BV	129	return NULL;
	130	sdi->probes = g_slist_append(sdi->probes, probe);
	131	drvc->instances = g_slist_append(drvc->instances, sdi);
	132	devices = g_slist_append(devices, sdi);
	133	break;
	134	}
	135	/* It takes about 1ms for a byte to come in. */
	136	g_usleep(1000);
	137	}
8fa9368e	138
7fb8279c	139	serial_close(serial);
8fa9368e BV	140
	141	return devices;
	142	}
	143
	144	static GSList *dev_list(void)
	145	{
	146	struct drv_context *drvc;
	147
	148	drvc = di->priv;
	149
	150	return drvc->instances;
	151	}
	152
	153	static int dev_clear(void)
	154	{
	155	return std_dev_clear(di, NULL);
	156	}
	157
	158	static int dev_open(struct sr_dev_inst *sdi)
	159	{
7fb8279c	160	struct sr_serial_dev_inst *serial;
8fa9368e	161
7fb8279c BV	162	serial = sdi->conn;
	163	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	164	return SR_ERR;
8fa9368e BV	165
	166	sdi->status = SR_ST_ACTIVE;
	167
	168	return SR_OK;
	169	}
	170
	171	static int dev_close(struct sr_dev_inst *sdi)
	172	{
7fb8279c	173	struct sr_serial_dev_inst *serial;
8fa9368e	174
7fb8279c BV	175	serial = sdi->conn;
	176	if (serial && serial->fd != -1) {
	177	serial_close(serial);
	178	sdi->status = SR_ST_INACTIVE;
	179	}
8fa9368e BV	180
	181	return SR_OK;
	182	}
	183
	184	static int cleanup(void)
	185	{
7fb8279c	186	return dev_clear();
8fa9368e BV	187	}
	188
	189	static int config_get(int key, GVariant *data, const struct sr_dev_inst sdi)
	190	{
7fb8279c	191	struct dev_context *devc;
f157b2ee BV	192	GVariant *range[2];
f157b2ee BV	193	uint64_t low, high;
a90e480c	194	int tmp, ret;
8fa9368e	195
7fb8279c BV	196	if (!sdi)
7fb8279c BV	197	return SR_ERR_ARG;
8fa9368e	198
7fb8279c	199	devc = sdi->priv;
a90e480c	200	ret = SR_OK;
8fa9368e	201	switch (key) {
7fb8279c BV	202	case SR_CONF_LIMIT_SAMPLES:
	203	*data = g_variant_new_uint64(devc->limit_samples);
	204	break;
e1af0e85	205	case SR_CONF_DATALOG:
0cd9107d BV	206	if ((ret = cem_dt_885x_recording_get(sdi, &tmp)) == SR_OK)
0cd9107d BV	207	*data = g_variant_new_boolean(tmp);
e1af0e85	208	break;
be733919 BV	209	case SR_CONF_SPL_WEIGHT_FREQ:
	210	tmp = cem_dt_885x_weight_freq_get(sdi);
	211	if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A)
	212	*data = g_variant_new_string("A");
	213	else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C)
	214	*data = g_variant_new_string("C");
	215	else
	216	return SR_ERR;
	217	break;
1487ce4f BV	218	case SR_CONF_SPL_WEIGHT_TIME:
	219	tmp = cem_dt_885x_weight_time_get(sdi);
	220	if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F)
	221	*data = g_variant_new_string("F");
	222	else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S)
	223	*data = g_variant_new_string("S");
	224	else
	225	return SR_ERR;
	226	break;
a90e480c BV	227	case SR_CONF_HOLD_MAX:
	228	if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
	229	*data = g_variant_new_boolean(tmp == SR_MQFLAG_MAX);
	230	break;
	231	case SR_CONF_HOLD_MIN:
	232	if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
	233	*data = g_variant_new_boolean(tmp == SR_MQFLAG_MIN);
	234	break;
f157b2ee BV	235	case SR_CONF_SPL_MEASUREMENT_RANGE:
	236	if ((ret = cem_dt_885x_meas_range_get(sdi, &low, &high)) == SR_OK) {
	237	range[0] = g_variant_new_uint64(low);
	238	range[1] = g_variant_new_uint64(high);
	239	*data = g_variant_new_tuple(range, 2);
	240	}
	241	break;
4c22355f BV	242	case SR_CONF_POWER_OFF:
	243	*data = g_variant_new_boolean(FALSE);
	244	break;
662172d4 BV	245	case SR_CONF_DATA_SOURCE:
	246	if (devc->cur_data_source == DATA_SOURCE_LIVE)
	247	*data = g_variant_new_string("Live");
	248	else
	249	*data = g_variant_new_string("Memory");
	250	break;
8fa9368e BV	251	default:
	252	return SR_ERR_NA;
	253	}
	254
a90e480c	255	return ret;
8fa9368e BV	256	}
	257
	258	static int config_set(int key, GVariant data, const struct sr_dev_inst sdi)
	259	{
7fb8279c	260	struct dev_context *devc;
f157b2ee BV	261	uint64_t tmp_u64, low, high;
f157b2ee BV	262	unsigned int i;
a90e480c	263	int tmp, ret;
be733919	264	const char *tmp_str;
8fa9368e	265
8fa9368e BV	266	if (sdi->status != SR_ST_ACTIVE)
	267	return SR_ERR_DEV_CLOSED;
	268
7fb8279c BV	269	if (!(devc = sdi->priv)) {
	270	sr_err("sdi->priv was NULL.");
	271	return SR_ERR_BUG;
	272	}
	273
8fa9368e BV	274	ret = SR_OK;
8fa9368e BV	275	switch (key) {
7fb8279c BV	276	case SR_CONF_LIMIT_SAMPLES:
	277	tmp_u64 = g_variant_get_uint64(data);
	278	devc->limit_samples = tmp_u64;
	279	ret = SR_OK;
	280	break;
e1af0e85	281	case SR_CONF_DATALOG:
0cd9107d	282	ret = cem_dt_885x_recording_set(sdi, g_variant_get_boolean(data));
e1af0e85	283	break;
be733919 BV	284	case SR_CONF_SPL_WEIGHT_FREQ:
	285	tmp_str = g_variant_get_string(data, NULL);
	286	if (!strcmp(tmp_str, "A"))
	287	ret = cem_dt_885x_weight_freq_set(sdi,
	288	SR_MQFLAG_SPL_FREQ_WEIGHT_A);
	289	else if (!strcmp(tmp_str, "C"))
	290	ret = cem_dt_885x_weight_freq_set(sdi,
	291	SR_MQFLAG_SPL_FREQ_WEIGHT_C);
	292	else
	293	return SR_ERR_ARG;
	294	break;
1487ce4f BV	295	case SR_CONF_SPL_WEIGHT_TIME:
	296	tmp_str = g_variant_get_string(data, NULL);
	297	if (!strcmp(tmp_str, "F"))
	298	ret = cem_dt_885x_weight_time_set(sdi,
	299	SR_MQFLAG_SPL_TIME_WEIGHT_F);
	300	else if (!strcmp(tmp_str, "S"))
	301	ret = cem_dt_885x_weight_time_set(sdi,
	302	SR_MQFLAG_SPL_TIME_WEIGHT_S);
	303	else
	304	return SR_ERR_ARG;
	305	break;
a90e480c BV	306	case SR_CONF_HOLD_MAX:
	307	tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MAX : 0;
	308	ret = cem_dt_885x_holdmode_set(sdi, tmp);
	309	break;
	310	case SR_CONF_HOLD_MIN:
	311	tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MIN : 0;
	312	ret = cem_dt_885x_holdmode_set(sdi, tmp);
	313	break;
f157b2ee BV	314	case SR_CONF_SPL_MEASUREMENT_RANGE:
	315	g_variant_get(data, "(tt)", &low, &high);
	316	ret = SR_ERR_ARG;
	317	for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
	318	if (meas_ranges[i][0] == low && meas_ranges[i][1] == high) {
	319	ret = cem_dt_885x_meas_range_set(sdi, low, high);
	320	break;
	321	}
	322	}
	323	break;
4c22355f BV	324	case SR_CONF_POWER_OFF:
	325	if (g_variant_get_boolean(data))
	326	ret = cem_dt_885x_power_off(sdi);
	327	break;
662172d4 BV	328	case SR_CONF_DATA_SOURCE:
	329	tmp_str = g_variant_get_string(data, NULL);
	330	if (!strcmp(tmp_str, "Live"))
	331	devc->cur_data_source = DATA_SOURCE_LIVE;
	332	else if (!strcmp(tmp_str, "Memory"))
	333	devc->cur_data_source = DATA_SOURCE_MEMORY;
	334	else
	335	return SR_ERR;
	336	break;
8fa9368e BV	337	default:
	338	ret = SR_ERR_NA;
	339	}
	340
	341	return ret;
	342	}
	343
	344	static int config_list(int key, GVariant *data, const struct sr_dev_inst sdi)
	345	{
f157b2ee BV	346	GVariant tuple, range[2];
	347	GVariantBuilder gvb;
	348	unsigned int i;
8fa9368e BV	349	int ret;
	350
	351	(void)sdi;
8fa9368e BV	352
	353	ret = SR_OK;
	354	switch (key) {
7fb8279c BV	355	case SR_CONF_SCAN_OPTIONS:
	356	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
	357	hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
	358	break;
	359	case SR_CONF_DEVICE_OPTIONS:
	360	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
	361	hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
	362	break;
be733919 BV	363	case SR_CONF_SPL_WEIGHT_FREQ:
	364	*data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
	365	break;
1487ce4f BV	366	case SR_CONF_SPL_WEIGHT_TIME:
	367	*data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
	368	break;
f157b2ee BV	369	case SR_CONF_SPL_MEASUREMENT_RANGE:
	370	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	371	for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
	372	range[0] = g_variant_new_uint64(meas_ranges[i][0]);
	373	range[1] = g_variant_new_uint64(meas_ranges[i][1]);
	374	tuple = g_variant_new_tuple(range, 2);
	375	g_variant_builder_add_value(&gvb, tuple);
	376	}
	377	*data = g_variant_builder_end(&gvb);
	378	break;
662172d4 BV	379	case SR_CONF_DATA_SOURCE:
	380	*data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
	381	break;
8fa9368e BV	382	default:
	383	return SR_ERR_NA;
	384	}
	385
	386	return ret;
	387	}
	388
e37c4b39	389	static int dev_acquisition_start(const struct sr_dev_inst sdi, void cb_data)
8fa9368e	390	{
e37c4b39 BV	391	struct dev_context *devc;
e37c4b39 BV	392	struct sr_serial_dev_inst *serial;
8fa9368e BV	393
	394	if (sdi->status != SR_ST_ACTIVE)
	395	return SR_ERR_DEV_CLOSED;
	396
e37c4b39 BV	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	sr_source_add(serial->fd, G_IO_IN, 150, cem_dt_885x_receive_data,
	413	(void *)sdi);
8fa9368e BV	414
	415	return SR_OK;
	416	}
	417
	418	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
	419	{
	420	(void)cb_data;
	421
	422	if (sdi->status != SR_ST_ACTIVE)
	423	return SR_ERR_DEV_CLOSED;
	424
e37c4b39 BV	425	return std_dev_acquisition_stop_serial(sdi, cb_data, dev_close,
e37c4b39 BV	426	sdi->conn, LOG_PREFIX);
8fa9368e BV	427
	428	return SR_OK;
	429	}
	430
	431	SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info = {
	432	.name = "cem-dt-885x",
	433	.longname = "CEM DT-885x",
	434	.api_version = 1,
	435	.init = init,
	436	.cleanup = cleanup,
	437	.scan = scan,
	438	.dev_list = dev_list,
	439	.dev_clear = dev_clear,
	440	.config_get = config_get,
	441	.config_set = config_set,
	442	.config_list = config_list,
	443	.dev_open = dev_open,
	444	.dev_close = dev_close,
	445	.dev_acquisition_start = dev_acquisition_start,
	446	.dev_acquisition_stop = dev_acquisition_stop,
	447	.priv = NULL,
	448	};