[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;
			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 (!(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)
{
	return ((struct drv_context *)(di->priv))->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;
		devc->enable_data_source_memory = devc->cur_data_source == DATA_SOURCE_MEMORY;
		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;
cea26f6e	121	devc->enable_data_source_memory = FALSE;
7fb8279c BV	122
	123	if (!(sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM)))
	124	return NULL;
	125
	126	sdi->inst_type = SR_INST_SERIAL;
	127	sdi->priv = devc;
	128	sdi->driver = di;
e37c4b39	129	if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "SPL")))
7fb8279c BV	130	return NULL;
	131	sdi->probes = g_slist_append(sdi->probes, probe);
	132	drvc->instances = g_slist_append(drvc->instances, sdi);
	133	devices = g_slist_append(devices, sdi);
	134	break;
	135	}
	136	/* It takes about 1ms for a byte to come in. */
	137	g_usleep(1000);
	138	}
8fa9368e	139
7fb8279c	140	serial_close(serial);
8fa9368e BV	141
	142	return devices;
	143	}
	144
	145	static GSList *dev_list(void)
	146	{
ce4d26dd	147	return ((struct drv_context *)(di->priv))->instances;
8fa9368e BV	148	}
	149
	150	static int dev_clear(void)
	151	{
	152	return std_dev_clear(di, NULL);
	153	}
	154
	155	static int dev_open(struct sr_dev_inst *sdi)
	156	{
7fb8279c	157	struct sr_serial_dev_inst *serial;
8fa9368e	158
7fb8279c BV	159	serial = sdi->conn;
	160	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	161	return SR_ERR;
8fa9368e BV	162
	163	sdi->status = SR_ST_ACTIVE;
	164
	165	return SR_OK;
	166	}
	167
	168	static int dev_close(struct sr_dev_inst *sdi)
	169	{
7fb8279c	170	struct sr_serial_dev_inst *serial;
8fa9368e	171
7fb8279c BV	172	serial = sdi->conn;
	173	if (serial && serial->fd != -1) {
	174	serial_close(serial);
	175	sdi->status = SR_ST_INACTIVE;
	176	}
8fa9368e BV	177
	178	return SR_OK;
	179	}
	180
	181	static int cleanup(void)
	182	{
7fb8279c	183	return dev_clear();
8fa9368e BV	184	}
	185
	186	static int config_get(int key, GVariant *data, const struct sr_dev_inst sdi)
	187	{
7fb8279c	188	struct dev_context *devc;
f157b2ee BV	189	GVariant *range[2];
f157b2ee BV	190	uint64_t low, high;
a90e480c	191	int tmp, ret;
8fa9368e	192
7fb8279c BV	193	if (!sdi)
7fb8279c BV	194	return SR_ERR_ARG;
8fa9368e	195
7fb8279c	196	devc = sdi->priv;
a90e480c	197	ret = SR_OK;
8fa9368e	198	switch (key) {
7fb8279c BV	199	case SR_CONF_LIMIT_SAMPLES:
	200	*data = g_variant_new_uint64(devc->limit_samples);
	201	break;
e1af0e85	202	case SR_CONF_DATALOG:
0cd9107d BV	203	if ((ret = cem_dt_885x_recording_get(sdi, &tmp)) == SR_OK)
0cd9107d BV	204	*data = g_variant_new_boolean(tmp);
e1af0e85	205	break;
be733919 BV	206	case SR_CONF_SPL_WEIGHT_FREQ:
	207	tmp = cem_dt_885x_weight_freq_get(sdi);
	208	if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A)
	209	*data = g_variant_new_string("A");
	210	else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C)
	211	*data = g_variant_new_string("C");
	212	else
	213	return SR_ERR;
	214	break;
1487ce4f BV	215	case SR_CONF_SPL_WEIGHT_TIME:
	216	tmp = cem_dt_885x_weight_time_get(sdi);
	217	if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F)
	218	*data = g_variant_new_string("F");
	219	else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S)
	220	*data = g_variant_new_string("S");
	221	else
	222	return SR_ERR;
	223	break;
a90e480c BV	224	case SR_CONF_HOLD_MAX:
	225	if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
	226	*data = g_variant_new_boolean(tmp == SR_MQFLAG_MAX);
	227	break;
	228	case SR_CONF_HOLD_MIN:
	229	if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
	230	*data = g_variant_new_boolean(tmp == SR_MQFLAG_MIN);
	231	break;
f157b2ee BV	232	case SR_CONF_SPL_MEASUREMENT_RANGE:
	233	if ((ret = cem_dt_885x_meas_range_get(sdi, &low, &high)) == SR_OK) {
	234	range[0] = g_variant_new_uint64(low);
	235	range[1] = g_variant_new_uint64(high);
	236	*data = g_variant_new_tuple(range, 2);
	237	}
	238	break;
4c22355f BV	239	case SR_CONF_POWER_OFF:
	240	*data = g_variant_new_boolean(FALSE);
	241	break;
662172d4 BV	242	case SR_CONF_DATA_SOURCE:
	243	if (devc->cur_data_source == DATA_SOURCE_LIVE)
	244	*data = g_variant_new_string("Live");
	245	else
	246	*data = g_variant_new_string("Memory");
	247	break;
8fa9368e BV	248	default:
	249	return SR_ERR_NA;
	250	}
	251
a90e480c	252	return ret;
8fa9368e BV	253	}
	254
	255	static int config_set(int key, GVariant data, const struct sr_dev_inst sdi)
	256	{
7fb8279c	257	struct dev_context *devc;
f157b2ee BV	258	uint64_t tmp_u64, low, high;
f157b2ee BV	259	unsigned int i;
a90e480c	260	int tmp, ret;
be733919	261	const char *tmp_str;
8fa9368e	262
8fa9368e BV	263	if (sdi->status != SR_ST_ACTIVE)
	264	return SR_ERR_DEV_CLOSED;
	265
7fb8279c BV	266	if (!(devc = sdi->priv)) {
	267	sr_err("sdi->priv was NULL.");
	268	return SR_ERR_BUG;
	269	}
	270
8fa9368e BV	271	ret = SR_OK;
8fa9368e BV	272	switch (key) {
7fb8279c BV	273	case SR_CONF_LIMIT_SAMPLES:
	274	tmp_u64 = g_variant_get_uint64(data);
	275	devc->limit_samples = tmp_u64;
	276	ret = SR_OK;
	277	break;
e1af0e85	278	case SR_CONF_DATALOG:
0cd9107d	279	ret = cem_dt_885x_recording_set(sdi, g_variant_get_boolean(data));
e1af0e85	280	break;
be733919 BV	281	case SR_CONF_SPL_WEIGHT_FREQ:
	282	tmp_str = g_variant_get_string(data, NULL);
	283	if (!strcmp(tmp_str, "A"))
	284	ret = cem_dt_885x_weight_freq_set(sdi,
	285	SR_MQFLAG_SPL_FREQ_WEIGHT_A);
	286	else if (!strcmp(tmp_str, "C"))
	287	ret = cem_dt_885x_weight_freq_set(sdi,
	288	SR_MQFLAG_SPL_FREQ_WEIGHT_C);
	289	else
	290	return SR_ERR_ARG;
	291	break;
1487ce4f BV	292	case SR_CONF_SPL_WEIGHT_TIME:
	293	tmp_str = g_variant_get_string(data, NULL);
	294	if (!strcmp(tmp_str, "F"))
	295	ret = cem_dt_885x_weight_time_set(sdi,
	296	SR_MQFLAG_SPL_TIME_WEIGHT_F);
	297	else if (!strcmp(tmp_str, "S"))
	298	ret = cem_dt_885x_weight_time_set(sdi,
	299	SR_MQFLAG_SPL_TIME_WEIGHT_S);
	300	else
	301	return SR_ERR_ARG;
	302	break;
a90e480c BV	303	case SR_CONF_HOLD_MAX:
	304	tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MAX : 0;
	305	ret = cem_dt_885x_holdmode_set(sdi, tmp);
	306	break;
	307	case SR_CONF_HOLD_MIN:
	308	tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MIN : 0;
	309	ret = cem_dt_885x_holdmode_set(sdi, tmp);
	310	break;
f157b2ee BV	311	case SR_CONF_SPL_MEASUREMENT_RANGE:
	312	g_variant_get(data, "(tt)", &low, &high);
	313	ret = SR_ERR_ARG;
	314	for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
	315	if (meas_ranges[i][0] == low && meas_ranges[i][1] == high) {
	316	ret = cem_dt_885x_meas_range_set(sdi, low, high);
	317	break;
	318	}
	319	}
	320	break;
4c22355f BV	321	case SR_CONF_POWER_OFF:
	322	if (g_variant_get_boolean(data))
	323	ret = cem_dt_885x_power_off(sdi);
	324	break;
662172d4 BV	325	case SR_CONF_DATA_SOURCE:
	326	tmp_str = g_variant_get_string(data, NULL);
	327	if (!strcmp(tmp_str, "Live"))
	328	devc->cur_data_source = DATA_SOURCE_LIVE;
	329	else if (!strcmp(tmp_str, "Memory"))
	330	devc->cur_data_source = DATA_SOURCE_MEMORY;
	331	else
	332	return SR_ERR;
cea26f6e	333	devc->enable_data_source_memory = devc->cur_data_source == DATA_SOURCE_MEMORY;
662172d4	334	break;
8fa9368e BV	335	default:
	336	ret = SR_ERR_NA;
	337	}
	338
	339	return ret;
	340	}
	341
	342	static int config_list(int key, GVariant *data, const struct sr_dev_inst sdi)
	343	{
f157b2ee BV	344	GVariant tuple, range[2];
	345	GVariantBuilder gvb;
	346	unsigned int i;
8fa9368e BV	347	int ret;
	348
	349	(void)sdi;
8fa9368e BV	350
	351	ret = SR_OK;
	352	switch (key) {
7fb8279c BV	353	case SR_CONF_SCAN_OPTIONS:
	354	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
	355	hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
	356	break;
	357	case SR_CONF_DEVICE_OPTIONS:
	358	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
	359	hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
	360	break;
be733919 BV	361	case SR_CONF_SPL_WEIGHT_FREQ:
	362	*data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
	363	break;
1487ce4f BV	364	case SR_CONF_SPL_WEIGHT_TIME:
	365	*data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
	366	break;
f157b2ee BV	367	case SR_CONF_SPL_MEASUREMENT_RANGE:
	368	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	369	for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
	370	range[0] = g_variant_new_uint64(meas_ranges[i][0]);
	371	range[1] = g_variant_new_uint64(meas_ranges[i][1]);
	372	tuple = g_variant_new_tuple(range, 2);
	373	g_variant_builder_add_value(&gvb, tuple);
	374	}
	375	*data = g_variant_builder_end(&gvb);
	376	break;
662172d4 BV	377	case SR_CONF_DATA_SOURCE:
	378	*data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
	379	break;
8fa9368e BV	380	default:
	381	return SR_ERR_NA;
	382	}
	383
	384	return ret;
	385	}
	386
e37c4b39	387	static int dev_acquisition_start(const struct sr_dev_inst sdi, void cb_data)
8fa9368e	388	{
e37c4b39 BV	389	struct dev_context *devc;
e37c4b39 BV	390	struct sr_serial_dev_inst *serial;
8fa9368e BV	391
	392	if (sdi->status != SR_ST_ACTIVE)
	393	return SR_ERR_DEV_CLOSED;
	394
e37c4b39 BV	395	if (!(devc = sdi->priv)) {
	396	sr_err("sdi->priv was NULL.");
	397	return SR_ERR_BUG;
	398	}
	399
	400	devc->cb_data = cb_data;
	401	devc->state = ST_INIT;
	402	devc->num_samples = 0;
	403	devc->buf_len = 0;
	404
	405	/* Send header packet to the session bus. */
	406	std_session_send_df_header(cb_data, LOG_PREFIX);
	407
	408	/* Poll every 100ms, or whenever some data comes in. */
	409	serial = sdi->conn;
	410	sr_source_add(serial->fd, G_IO_IN, 150, cem_dt_885x_receive_data,
	411	(void *)sdi);
8fa9368e BV	412
	413	return SR_OK;
	414	}
	415
	416	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
	417	{
	418	(void)cb_data;
	419
	420	if (sdi->status != SR_ST_ACTIVE)
	421	return SR_ERR_DEV_CLOSED;
	422
e37c4b39 BV	423	return std_dev_acquisition_stop_serial(sdi, cb_data, dev_close,
e37c4b39 BV	424	sdi->conn, LOG_PREFIX);
8fa9368e BV	425
	426	return SR_OK;
	427	}
	428
	429	SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info = {
	430	.name = "cem-dt-885x",
	431	.longname = "CEM DT-885x",
	432	.api_version = 1,
	433	.init = init,
	434	.cleanup = cleanup,
	435	.scan = scan,
	436	.dev_list = dev_list,
	437	.dev_clear = dev_clear,
	438	.config_get = config_get,
	439	.config_set = config_set,
	440	.config_list = config_list,
	441	.dev_open = dev_open,
	442	.dev_close = dev_close,
	443	.dev_acquisition_start = dev_acquisition_start,
	444	.dev_acquisition_stop = dev_acquisition_stop,
	445	.priv = NULL,
	446	};