[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_DATALOG,
	SR_CONF_SPL_WEIGHT_FREQ,
	SR_CONF_SPL_WEIGHT_TIME,
	SR_CONF_HOLD_MAX,
	SR_CONF_HOLD_MIN,
	SR_CONF_SPL_MEASUREMENT_RANGE,
};

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 },
};

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;

			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;
	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;
	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;
	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,
e1af0e85	35	SR_CONF_DATALOG,
be733919	36	SR_CONF_SPL_WEIGHT_FREQ,
1487ce4f	37	SR_CONF_SPL_WEIGHT_TIME,
a90e480c BV	38	SR_CONF_HOLD_MAX,
a90e480c BV	39	SR_CONF_HOLD_MIN,
f157b2ee	40	SR_CONF_SPL_MEASUREMENT_RANGE,
7fb8279c BV	41	};
7fb8279c BV	42
be733919 BV	43	static const char *weight_freq[] = {
	44	"A",
	45	"C",
	46	};
7fb8279c	47
1487ce4f BV	48	static const char *weight_time[] = {
	49	"F",
	50	"S",
	51	};
	52
f157b2ee BV	53	static const uint64_t meas_ranges[][2] = {
	54	{ 30, 130 },
	55	{ 30, 80 },
	56	{ 50, 100 },
	57	{ 80, 130 },
	58	};
	59
8fa9368e BV	60	SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info;
	61	static struct sr_dev_driver *di = &cem_dt_885x_driver_info;
	62
	63
	64	static int init(struct sr_context *sr_ctx)
	65	{
	66	return std_init(sr_ctx, di, LOG_PREFIX);
	67	}
	68
	69	static GSList scan(GSList options)
	70	{
	71	struct drv_context *drvc;
7fb8279c BV	72	struct dev_context *devc;
	73	struct sr_config *src;
	74	struct sr_serial_dev_inst *serial;
	75	struct sr_dev_inst *sdi;
	76	struct sr_probe *probe;
	77	GSList l, devices;
	78	gint64 start;
	79	const char *conn;
	80	unsigned char c;
	81
	82	conn = NULL;
	83	for (l = options; l; l = l->next) {
	84	src = l->data;
	85	if (src->key == SR_CONF_CONN)
	86	conn = g_variant_get_string(src->data, NULL);
	87	}
	88	if (!conn)
	89	return NULL;
	90
	91	if (!(serial = sr_serial_dev_inst_new(conn, SERIALCOMM)))
	92	return NULL;
8fa9368e	93
7fb8279c BV	94	if (serial_open(serial, SERIAL_RDONLY \| SERIAL_NONBLOCK) != SR_OK)
7fb8279c BV	95	return NULL;
8fa9368e BV	96
	97	devices = NULL;
	98	drvc = di->priv;
7fb8279c BV	99	start = g_get_monotonic_time();
	100	while (g_get_monotonic_time() - start < MAX_SCAN_TIME) {
	101	if (serial_read(serial, &c, 1) == 1 && c == 0xa5) {
	102	/* Found one. */
	103	if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "CEM",
	104	"DT-885x", NULL)))
	105	return NULL;
	106
	107	if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
	108	sr_dbg("Device context malloc failed.");
	109	return NULL;
	110	}
e1af0e85 BV	111	devc->cur_mqflags = 0;
e1af0e85 BV	112	devc->recording = -1;
f157b2ee	113	devc->cur_meas_range = 0;
7fb8279c BV	114
	115	if (!(sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM)))
	116	return NULL;
	117
	118	sdi->inst_type = SR_INST_SERIAL;
	119	sdi->priv = devc;
	120	sdi->driver = di;
e37c4b39	121	if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "SPL")))
7fb8279c BV	122	return NULL;
	123	sdi->probes = g_slist_append(sdi->probes, probe);
	124	drvc->instances = g_slist_append(drvc->instances, sdi);
	125	devices = g_slist_append(devices, sdi);
	126	break;
	127	}
	128	/* It takes about 1ms for a byte to come in. */
	129	g_usleep(1000);
	130	}
8fa9368e	131
7fb8279c	132	serial_close(serial);
8fa9368e BV	133
	134	return devices;
	135	}
	136
	137	static GSList *dev_list(void)
	138	{
	139	struct drv_context *drvc;
	140
	141	drvc = di->priv;
	142
	143	return drvc->instances;
	144	}
	145
	146	static int dev_clear(void)
	147	{
	148	return std_dev_clear(di, NULL);
	149	}
	150
	151	static int dev_open(struct sr_dev_inst *sdi)
	152	{
7fb8279c	153	struct sr_serial_dev_inst *serial;
8fa9368e	154
7fb8279c BV	155	serial = sdi->conn;
	156	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	157	return SR_ERR;
8fa9368e BV	158
	159	sdi->status = SR_ST_ACTIVE;
	160
	161	return SR_OK;
	162	}
	163
	164	static int dev_close(struct sr_dev_inst *sdi)
	165	{
7fb8279c	166	struct sr_serial_dev_inst *serial;
8fa9368e	167
7fb8279c BV	168	serial = sdi->conn;
	169	if (serial && serial->fd != -1) {
	170	serial_close(serial);
	171	sdi->status = SR_ST_INACTIVE;
	172	}
8fa9368e BV	173
	174	return SR_OK;
	175	}
	176
	177	static int cleanup(void)
	178	{
7fb8279c	179	return dev_clear();
8fa9368e BV	180	}
	181
	182	static int config_get(int key, GVariant *data, const struct sr_dev_inst sdi)
	183	{
7fb8279c	184	struct dev_context *devc;
f157b2ee BV	185	GVariant *range[2];
f157b2ee BV	186	uint64_t low, high;
a90e480c	187	int tmp, ret;
8fa9368e	188
7fb8279c BV	189	if (!sdi)
7fb8279c BV	190	return SR_ERR_ARG;
8fa9368e	191
7fb8279c	192	devc = sdi->priv;
a90e480c	193	ret = SR_OK;
8fa9368e	194	switch (key) {
7fb8279c BV	195	case SR_CONF_LIMIT_SAMPLES:
	196	*data = g_variant_new_uint64(devc->limit_samples);
	197	break;
e1af0e85	198	case SR_CONF_DATALOG:
0cd9107d BV	199	if ((ret = cem_dt_885x_recording_get(sdi, &tmp)) == SR_OK)
0cd9107d BV	200	*data = g_variant_new_boolean(tmp);
e1af0e85	201	break;
be733919 BV	202	case SR_CONF_SPL_WEIGHT_FREQ:
	203	tmp = cem_dt_885x_weight_freq_get(sdi);
	204	if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A)
	205	*data = g_variant_new_string("A");
	206	else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C)
	207	*data = g_variant_new_string("C");
	208	else
	209	return SR_ERR;
	210	break;
1487ce4f BV	211	case SR_CONF_SPL_WEIGHT_TIME:
	212	tmp = cem_dt_885x_weight_time_get(sdi);
	213	if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F)
	214	*data = g_variant_new_string("F");
	215	else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S)
	216	*data = g_variant_new_string("S");
	217	else
	218	return SR_ERR;
	219	break;
a90e480c BV	220	case SR_CONF_HOLD_MAX:
	221	if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
	222	*data = g_variant_new_boolean(tmp == SR_MQFLAG_MAX);
	223	break;
	224	case SR_CONF_HOLD_MIN:
	225	if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
	226	*data = g_variant_new_boolean(tmp == SR_MQFLAG_MIN);
	227	break;
f157b2ee BV	228	case SR_CONF_SPL_MEASUREMENT_RANGE:
	229	if ((ret = cem_dt_885x_meas_range_get(sdi, &low, &high)) == SR_OK) {
	230	range[0] = g_variant_new_uint64(low);
	231	range[1] = g_variant_new_uint64(high);
	232	*data = g_variant_new_tuple(range, 2);
	233	}
	234	break;
8fa9368e BV	235	default:
	236	return SR_ERR_NA;
	237	}
	238
a90e480c	239	return ret;
8fa9368e BV	240	}
	241
	242	static int config_set(int key, GVariant data, const struct sr_dev_inst sdi)
	243	{
7fb8279c	244	struct dev_context *devc;
f157b2ee BV	245	uint64_t tmp_u64, low, high;
f157b2ee BV	246	unsigned int i;
a90e480c	247	int tmp, ret;
be733919	248	const char *tmp_str;
8fa9368e	249
8fa9368e BV	250	if (sdi->status != SR_ST_ACTIVE)
	251	return SR_ERR_DEV_CLOSED;
	252
7fb8279c BV	253	if (!(devc = sdi->priv)) {
	254	sr_err("sdi->priv was NULL.");
	255	return SR_ERR_BUG;
	256	}
	257
8fa9368e BV	258	ret = SR_OK;
8fa9368e BV	259	switch (key) {
7fb8279c BV	260	case SR_CONF_LIMIT_SAMPLES:
	261	tmp_u64 = g_variant_get_uint64(data);
	262	devc->limit_samples = tmp_u64;
	263	ret = SR_OK;
	264	break;
e1af0e85	265	case SR_CONF_DATALOG:
0cd9107d	266	ret = cem_dt_885x_recording_set(sdi, g_variant_get_boolean(data));
e1af0e85	267	break;
be733919 BV	268	case SR_CONF_SPL_WEIGHT_FREQ:
	269	tmp_str = g_variant_get_string(data, NULL);
	270	if (!strcmp(tmp_str, "A"))
	271	ret = cem_dt_885x_weight_freq_set(sdi,
	272	SR_MQFLAG_SPL_FREQ_WEIGHT_A);
	273	else if (!strcmp(tmp_str, "C"))
	274	ret = cem_dt_885x_weight_freq_set(sdi,
	275	SR_MQFLAG_SPL_FREQ_WEIGHT_C);
	276	else
	277	return SR_ERR_ARG;
	278	break;
1487ce4f BV	279	case SR_CONF_SPL_WEIGHT_TIME:
	280	tmp_str = g_variant_get_string(data, NULL);
	281	if (!strcmp(tmp_str, "F"))
	282	ret = cem_dt_885x_weight_time_set(sdi,
	283	SR_MQFLAG_SPL_TIME_WEIGHT_F);
	284	else if (!strcmp(tmp_str, "S"))
	285	ret = cem_dt_885x_weight_time_set(sdi,
	286	SR_MQFLAG_SPL_TIME_WEIGHT_S);
	287	else
	288	return SR_ERR_ARG;
	289	break;
a90e480c BV	290	case SR_CONF_HOLD_MAX:
	291	tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MAX : 0;
	292	ret = cem_dt_885x_holdmode_set(sdi, tmp);
	293	break;
	294	case SR_CONF_HOLD_MIN:
	295	tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MIN : 0;
	296	ret = cem_dt_885x_holdmode_set(sdi, tmp);
	297	break;
f157b2ee BV	298	case SR_CONF_SPL_MEASUREMENT_RANGE:
	299	g_variant_get(data, "(tt)", &low, &high);
	300	ret = SR_ERR_ARG;
	301	for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
	302	if (meas_ranges[i][0] == low && meas_ranges[i][1] == high) {
	303	ret = cem_dt_885x_meas_range_set(sdi, low, high);
	304	break;
	305	}
	306	}
	307	break;
8fa9368e BV	308	default:
	309	ret = SR_ERR_NA;
	310	}
	311
	312	return ret;
	313	}
	314
	315	static int config_list(int key, GVariant *data, const struct sr_dev_inst sdi)
	316	{
f157b2ee BV	317	GVariant tuple, range[2];
	318	GVariantBuilder gvb;
	319	unsigned int i;
8fa9368e BV	320	int ret;
	321
	322	(void)sdi;
8fa9368e BV	323
	324	ret = SR_OK;
	325	switch (key) {
7fb8279c BV	326	case SR_CONF_SCAN_OPTIONS:
	327	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
	328	hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
	329	break;
	330	case SR_CONF_DEVICE_OPTIONS:
	331	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
	332	hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
	333	break;
be733919 BV	334	case SR_CONF_SPL_WEIGHT_FREQ:
	335	*data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
	336	break;
1487ce4f BV	337	case SR_CONF_SPL_WEIGHT_TIME:
	338	*data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
	339	break;
f157b2ee BV	340	case SR_CONF_SPL_MEASUREMENT_RANGE:
	341	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	342	for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
	343	range[0] = g_variant_new_uint64(meas_ranges[i][0]);
	344	range[1] = g_variant_new_uint64(meas_ranges[i][1]);
	345	tuple = g_variant_new_tuple(range, 2);
	346	g_variant_builder_add_value(&gvb, tuple);
	347	}
	348	*data = g_variant_builder_end(&gvb);
	349	break;
8fa9368e BV	350	default:
	351	return SR_ERR_NA;
	352	}
	353
	354	return ret;
	355	}
	356
e37c4b39	357	static int dev_acquisition_start(const struct sr_dev_inst sdi, void cb_data)
8fa9368e	358	{
e37c4b39 BV	359	struct dev_context *devc;
e37c4b39 BV	360	struct sr_serial_dev_inst *serial;
8fa9368e BV	361
	362	if (sdi->status != SR_ST_ACTIVE)
	363	return SR_ERR_DEV_CLOSED;
	364
e37c4b39 BV	365	if (!(devc = sdi->priv)) {
	366	sr_err("sdi->priv was NULL.");
	367	return SR_ERR_BUG;
	368	}
	369
	370	devc->cb_data = cb_data;
	371	devc->state = ST_INIT;
	372	devc->num_samples = 0;
	373	devc->buf_len = 0;
	374
	375	/* Send header packet to the session bus. */
	376	std_session_send_df_header(cb_data, LOG_PREFIX);
	377
	378	/* Poll every 100ms, or whenever some data comes in. */
	379	serial = sdi->conn;
	380	sr_source_add(serial->fd, G_IO_IN, 150, cem_dt_885x_receive_data,
	381	(void *)sdi);
8fa9368e BV	382
	383	return SR_OK;
	384	}
	385
	386	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
	387	{
	388	(void)cb_data;
	389
	390	if (sdi->status != SR_ST_ACTIVE)
	391	return SR_ERR_DEV_CLOSED;
	392
e37c4b39 BV	393	return std_dev_acquisition_stop_serial(sdi, cb_data, dev_close,
e37c4b39 BV	394	sdi->conn, LOG_PREFIX);
8fa9368e BV	395
	396	return SR_OK;
	397	}
	398
	399	SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info = {
	400	.name = "cem-dt-885x",
	401	.longname = "CEM DT-885x",
	402	.api_version = 1,
	403	.init = init,
	404	.cleanup = cleanup,
	405	.scan = scan,
	406	.dev_list = dev_list,
	407	.dev_clear = dev_clear,
	408	.config_get = config_get,
	409	.config_set = config_set,
	410	.config_list = config_list,
	411	.dev_open = dev_open,
	412	.dev_close = dev_close,
	413	.dev_acquisition_start = dev_acquisition_start,
	414	.dev_acquisition_stop = dev_acquisition_stop,
	415	.priv = NULL,
	416	};