[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. */
			sdi = sr_dev_inst_new();
			sdi->status = SR_ST_INACTIVE;
			sdi->vendor = g_strdup("CEM");
			sdi->model = g_strdup("DT-885x");

			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	sdi = sr_dev_inst_new();
	113	sdi->status = SR_ST_INACTIVE;
	114	sdi->vendor = g_strdup("CEM");
	115	sdi->model = g_strdup("DT-885x");
	116
	117	if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
	118	sr_dbg("Device context malloc failed.");
	119	return NULL;
	120	}
	121	devc->cur_mqflags = 0;
	122	devc->recording = -1;
	123	devc->cur_meas_range = 0;
	124	devc->cur_data_source = DATA_SOURCE_LIVE;
	125	devc->enable_data_source_memory = FALSE;
	126
	127	if (!(sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM)))
	128	return NULL;
	129
	130	sdi->inst_type = SR_INST_SERIAL;
	131	sdi->priv = devc;
	132	sdi->driver = di;
	133	if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "SPL")))
	134	return NULL;
	135	sdi->channels = g_slist_append(sdi->channels, ch);
	136	drvc->instances = g_slist_append(drvc->instances, sdi);
	137	devices = g_slist_append(devices, sdi);
	138	break;
	139	}
	140	/* It takes about 1ms for a byte to come in. */
	141	g_usleep(1000);
	142	}
	143
	144	serial_close(serial);
	145
	146	return devices;
	147	}
	148
	149	static GSList *dev_list(void)
	150	{
	151	return ((struct drv_context *)(di->priv))->instances;
	152	}
	153
	154	static int dev_open(struct sr_dev_inst *sdi)
	155	{
	156	struct sr_serial_dev_inst *serial;
	157
	158	serial = sdi->conn;
	159	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	160	return SR_ERR;
	161
	162	sdi->status = SR_ST_ACTIVE;
	163
	164	return SR_OK;
	165	}
	166
	167	static int cleanup(void)
	168	{
	169	return std_dev_clear(di, NULL);
	170	}
	171
	172	static int config_get(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	173	const struct sr_channel_group *cg)
	174	{
	175	struct dev_context *devc;
	176	GVariant *range[2];
	177	uint64_t low, high;
	178	int tmp, ret;
	179
	180	(void)cg;
	181
	182	if (!sdi)
	183	return SR_ERR_ARG;
	184
	185	devc = sdi->priv;
	186	ret = SR_OK;
	187	switch (key) {
	188	case SR_CONF_LIMIT_SAMPLES:
	189	*data = g_variant_new_uint64(devc->limit_samples);
	190	break;
	191	case SR_CONF_DATALOG:
	192	if ((ret = cem_dt_885x_recording_get(sdi, &tmp)) == SR_OK)
	193	*data = g_variant_new_boolean(tmp);
	194	break;
	195	case SR_CONF_SPL_WEIGHT_FREQ:
	196	tmp = cem_dt_885x_weight_freq_get(sdi);
	197	if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A)
	198	*data = g_variant_new_string("A");
	199	else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C)
	200	*data = g_variant_new_string("C");
	201	else
	202	return SR_ERR;
	203	break;
	204	case SR_CONF_SPL_WEIGHT_TIME:
	205	tmp = cem_dt_885x_weight_time_get(sdi);
	206	if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F)
	207	*data = g_variant_new_string("F");
	208	else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S)
	209	*data = g_variant_new_string("S");
	210	else
	211	return SR_ERR;
	212	break;
	213	case SR_CONF_HOLD_MAX:
	214	if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
	215	*data = g_variant_new_boolean(tmp == SR_MQFLAG_MAX);
	216	break;
	217	case SR_CONF_HOLD_MIN:
	218	if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
	219	*data = g_variant_new_boolean(tmp == SR_MQFLAG_MIN);
	220	break;
	221	case SR_CONF_SPL_MEASUREMENT_RANGE:
	222	if ((ret = cem_dt_885x_meas_range_get(sdi, &low, &high)) == SR_OK) {
	223	range[0] = g_variant_new_uint64(low);
	224	range[1] = g_variant_new_uint64(high);
	225	*data = g_variant_new_tuple(range, 2);
	226	}
	227	break;
	228	case SR_CONF_POWER_OFF:
	229	*data = g_variant_new_boolean(FALSE);
	230	break;
	231	case SR_CONF_DATA_SOURCE:
	232	if (devc->cur_data_source == DATA_SOURCE_LIVE)
	233	*data = g_variant_new_string("Live");
	234	else
	235	*data = g_variant_new_string("Memory");
	236	break;
	237	default:
	238	return SR_ERR_NA;
	239	}
	240
	241	return ret;
	242	}
	243
	244	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
	245	const struct sr_channel_group *cg)
	246	{
	247	struct dev_context *devc;
	248	uint64_t tmp_u64, low, high;
	249	unsigned int i;
	250	int tmp, ret;
	251	const char *tmp_str;
	252
	253	(void)cg;
	254
	255	if (sdi->status != SR_ST_ACTIVE)
	256	return SR_ERR_DEV_CLOSED;
	257
	258	if (!(devc = sdi->priv)) {
	259	sr_err("sdi->priv was NULL.");
	260	return SR_ERR_BUG;
	261	}
	262
	263	ret = SR_OK;
	264	switch (key) {
	265	case SR_CONF_LIMIT_SAMPLES:
	266	tmp_u64 = g_variant_get_uint64(data);
	267	devc->limit_samples = tmp_u64;
	268	ret = SR_OK;
	269	break;
	270	case SR_CONF_DATALOG:
	271	ret = cem_dt_885x_recording_set(sdi, g_variant_get_boolean(data));
	272	break;
	273	case SR_CONF_SPL_WEIGHT_FREQ:
	274	tmp_str = g_variant_get_string(data, NULL);
	275	if (!strcmp(tmp_str, "A"))
	276	ret = cem_dt_885x_weight_freq_set(sdi,
	277	SR_MQFLAG_SPL_FREQ_WEIGHT_A);
	278	else if (!strcmp(tmp_str, "C"))
	279	ret = cem_dt_885x_weight_freq_set(sdi,
	280	SR_MQFLAG_SPL_FREQ_WEIGHT_C);
	281	else
	282	return SR_ERR_ARG;
	283	break;
	284	case SR_CONF_SPL_WEIGHT_TIME:
	285	tmp_str = g_variant_get_string(data, NULL);
	286	if (!strcmp(tmp_str, "F"))
	287	ret = cem_dt_885x_weight_time_set(sdi,
	288	SR_MQFLAG_SPL_TIME_WEIGHT_F);
	289	else if (!strcmp(tmp_str, "S"))
	290	ret = cem_dt_885x_weight_time_set(sdi,
	291	SR_MQFLAG_SPL_TIME_WEIGHT_S);
	292	else
	293	return SR_ERR_ARG;
	294	break;
	295	case SR_CONF_HOLD_MAX:
	296	tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MAX : 0;
	297	ret = cem_dt_885x_holdmode_set(sdi, tmp);
	298	break;
	299	case SR_CONF_HOLD_MIN:
	300	tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MIN : 0;
	301	ret = cem_dt_885x_holdmode_set(sdi, tmp);
	302	break;
	303	case SR_CONF_SPL_MEASUREMENT_RANGE:
	304	g_variant_get(data, "(tt)", &low, &high);
	305	ret = SR_ERR_ARG;
	306	for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
	307	if (meas_ranges[i][0] == low && meas_ranges[i][1] == high) {
	308	ret = cem_dt_885x_meas_range_set(sdi, low, high);
	309	break;
	310	}
	311	}
	312	break;
	313	case SR_CONF_POWER_OFF:
	314	if (g_variant_get_boolean(data))
	315	ret = cem_dt_885x_power_off(sdi);
	316	break;
	317	case SR_CONF_DATA_SOURCE:
	318	tmp_str = g_variant_get_string(data, NULL);
	319	if (!strcmp(tmp_str, "Live"))
	320	devc->cur_data_source = DATA_SOURCE_LIVE;
	321	else if (!strcmp(tmp_str, "Memory"))
	322	devc->cur_data_source = DATA_SOURCE_MEMORY;
	323	else
	324	return SR_ERR;
	325	devc->enable_data_source_memory = devc->cur_data_source == DATA_SOURCE_MEMORY;
	326	break;
	327	default:
	328	ret = SR_ERR_NA;
	329	}
	330
	331	return ret;
	332	}
	333
	334	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	335	const struct sr_channel_group *cg)
	336	{
	337	GVariant tuple, range[2];
	338	GVariantBuilder gvb;
	339	unsigned int i;
	340	int ret;
	341
	342	(void)cg;
	343
	344	ret = SR_OK;
	345	if (!sdi) {
	346	switch (key) {
	347	case SR_CONF_SCAN_OPTIONS:
	348	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	349	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
	350	break;
	351	case SR_CONF_DEVICE_OPTIONS:
	352	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	353	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
	354	break;
	355	default:
	356	return SR_ERR_NA;
	357	}
	358	} else {
	359	switch (key) {
	360	case SR_CONF_DEVICE_OPTIONS:
	361	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	362	devopts_global, ARRAY_SIZE(devopts_global), sizeof(uint32_t));
	363	case SR_CONF_SPL_WEIGHT_FREQ:
	364	*data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
	365	break;
	366	case SR_CONF_SPL_WEIGHT_TIME:
	367	*data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
	368	break;
	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;
	379	case SR_CONF_DATA_SOURCE:
	380	*data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
	381	break;
	382	default:
	383	return SR_ERR_NA;
	384	}
	385	}
	386
	387	return ret;
	388	}
	389
	390	static int dev_acquisition_start(const struct sr_dev_inst sdi, void cb_data)
	391	{
	392	struct dev_context *devc;
	393	struct sr_serial_dev_inst *serial;
	394
	395	if (sdi->status != SR_ST_ACTIVE)
	396	return SR_ERR_DEV_CLOSED;
	397
	398	if (!(devc = sdi->priv)) {
	399	sr_err("sdi->priv was NULL.");
	400	return SR_ERR_BUG;
	401	}
	402
	403	devc->cb_data = cb_data;
	404	devc->state = ST_INIT;
	405	devc->num_samples = 0;
	406	devc->buf_len = 0;
	407
	408	/* Send header packet to the session bus. */
	409	std_session_send_df_header(cb_data, LOG_PREFIX);
	410
	411	/* Poll every 100ms, or whenever some data comes in. */
	412	serial = sdi->conn;
	413	serial_source_add(sdi->session, serial, G_IO_IN, 150,
	414	cem_dt_885x_receive_data, (void *)sdi);
	415
	416	return SR_OK;
	417	}
	418
	419	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
	420	{
	421	if (sdi->status != SR_ST_ACTIVE)
	422	return SR_ERR_DEV_CLOSED;
	423
	424	return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
	425	sdi->conn, LOG_PREFIX);
	426	}
	427
	428	SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info = {
	429	.name = "cem-dt-885x",
	430	.longname = "CEM DT-885x",
	431	.api_version = 1,
	432	.init = init,
	433	.cleanup = cleanup,
	434	.scan = scan,
	435	.dev_list = dev_list,
	436	.dev_clear = NULL,
	437	.config_get = config_get,
	438	.config_set = config_set,
	439	.config_list = config_list,
	440	.dev_open = dev_open,
	441	.dev_close = std_serial_dev_close,
	442	.dev_acquisition_start = dev_acquisition_start,
	443	.dev_acquisition_stop = dev_acquisition_stop,
	444	.priv = NULL,
	445	};