[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,
};

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;
	case SR_CONF_POWER_OFF:
		*data = g_variant_new_boolean(FALSE);
		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;
	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,
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,
7fb8279c BV	42	};
7fb8279c BV	43
be733919 BV	44	static const char *weight_freq[] = {
	45	"A",
	46	"C",
	47	};
7fb8279c	48
1487ce4f BV	49	static const char *weight_time[] = {
	50	"F",
	51	"S",
	52	};
	53
f157b2ee BV	54	static const uint64_t meas_ranges[][2] = {
	55	{ 30, 130 },
	56	{ 30, 80 },
	57	{ 50, 100 },
	58	{ 80, 130 },
	59	};
	60
8fa9368e BV	61	SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info;
	62	static struct sr_dev_driver *di = &cem_dt_885x_driver_info;
	63
	64
	65	static int init(struct sr_context *sr_ctx)
	66	{
	67	return std_init(sr_ctx, di, LOG_PREFIX);
	68	}
	69
	70	static GSList scan(GSList options)
	71	{
	72	struct drv_context *drvc;
7fb8279c BV	73	struct dev_context *devc;
	74	struct sr_config *src;
	75	struct sr_serial_dev_inst *serial;
	76	struct sr_dev_inst *sdi;
	77	struct sr_probe *probe;
	78	GSList l, devices;
	79	gint64 start;
	80	const char *conn;
	81	unsigned char c;
	82
	83	conn = NULL;
	84	for (l = options; l; l = l->next) {
	85	src = l->data;
	86	if (src->key == SR_CONF_CONN)
	87	conn = g_variant_get_string(src->data, NULL);
	88	}
	89	if (!conn)
	90	return NULL;
	91
	92	if (!(serial = sr_serial_dev_inst_new(conn, SERIALCOMM)))
	93	return NULL;
8fa9368e	94
7fb8279c BV	95	if (serial_open(serial, SERIAL_RDONLY \| SERIAL_NONBLOCK) != SR_OK)
7fb8279c BV	96	return NULL;
8fa9368e BV	97
	98	devices = NULL;
	99	drvc = di->priv;
7fb8279c BV	100	start = g_get_monotonic_time();
	101	while (g_get_monotonic_time() - start < MAX_SCAN_TIME) {
	102	if (serial_read(serial, &c, 1) == 1 && c == 0xa5) {
	103	/* Found one. */
	104	if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "CEM",
	105	"DT-885x", NULL)))
	106	return NULL;
	107
	108	if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
	109	sr_dbg("Device context malloc failed.");
	110	return NULL;
	111	}
e1af0e85 BV	112	devc->cur_mqflags = 0;
e1af0e85 BV	113	devc->recording = -1;
f157b2ee	114	devc->cur_meas_range = 0;
7fb8279c BV	115
	116	if (!(sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM)))
	117	return NULL;
	118
	119	sdi->inst_type = SR_INST_SERIAL;
	120	sdi->priv = devc;
	121	sdi->driver = di;
e37c4b39	122	if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "SPL")))
7fb8279c BV	123	return NULL;
	124	sdi->probes = g_slist_append(sdi->probes, probe);
	125	drvc->instances = g_slist_append(drvc->instances, sdi);
	126	devices = g_slist_append(devices, sdi);
	127	break;
	128	}
	129	/* It takes about 1ms for a byte to come in. */
	130	g_usleep(1000);
	131	}
8fa9368e	132
7fb8279c	133	serial_close(serial);
8fa9368e BV	134
	135	return devices;
	136	}
	137
	138	static GSList *dev_list(void)
	139	{
	140	struct drv_context *drvc;
	141
	142	drvc = di->priv;
	143
	144	return drvc->instances;
	145	}
	146
	147	static int dev_clear(void)
	148	{
	149	return std_dev_clear(di, NULL);
	150	}
	151
	152	static int dev_open(struct sr_dev_inst *sdi)
	153	{
7fb8279c	154	struct sr_serial_dev_inst *serial;
8fa9368e	155
7fb8279c BV	156	serial = sdi->conn;
	157	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	158	return SR_ERR;
8fa9368e BV	159
	160	sdi->status = SR_ST_ACTIVE;
	161
	162	return SR_OK;
	163	}
	164
	165	static int dev_close(struct sr_dev_inst *sdi)
	166	{
7fb8279c	167	struct sr_serial_dev_inst *serial;
8fa9368e	168
7fb8279c BV	169	serial = sdi->conn;
	170	if (serial && serial->fd != -1) {
	171	serial_close(serial);
	172	sdi->status = SR_ST_INACTIVE;
	173	}
8fa9368e BV	174
	175	return SR_OK;
	176	}
	177
	178	static int cleanup(void)
	179	{
7fb8279c	180	return dev_clear();
8fa9368e BV	181	}
	182
	183	static int config_get(int key, GVariant *data, const struct sr_dev_inst sdi)
	184	{
7fb8279c	185	struct dev_context *devc;
f157b2ee BV	186	GVariant *range[2];
f157b2ee BV	187	uint64_t low, high;
a90e480c	188	int tmp, ret;
8fa9368e	189
7fb8279c BV	190	if (!sdi)
7fb8279c BV	191	return SR_ERR_ARG;
8fa9368e	192
7fb8279c	193	devc = sdi->priv;
a90e480c	194	ret = SR_OK;
8fa9368e	195	switch (key) {
7fb8279c BV	196	case SR_CONF_LIMIT_SAMPLES:
	197	*data = g_variant_new_uint64(devc->limit_samples);
	198	break;
e1af0e85	199	case SR_CONF_DATALOG:
0cd9107d BV	200	if ((ret = cem_dt_885x_recording_get(sdi, &tmp)) == SR_OK)
0cd9107d BV	201	*data = g_variant_new_boolean(tmp);
e1af0e85	202	break;
be733919 BV	203	case SR_CONF_SPL_WEIGHT_FREQ:
	204	tmp = cem_dt_885x_weight_freq_get(sdi);
	205	if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A)
	206	*data = g_variant_new_string("A");
	207	else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C)
	208	*data = g_variant_new_string("C");
	209	else
	210	return SR_ERR;
	211	break;
1487ce4f BV	212	case SR_CONF_SPL_WEIGHT_TIME:
	213	tmp = cem_dt_885x_weight_time_get(sdi);
	214	if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F)
	215	*data = g_variant_new_string("F");
	216	else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S)
	217	*data = g_variant_new_string("S");
	218	else
	219	return SR_ERR;
	220	break;
a90e480c BV	221	case SR_CONF_HOLD_MAX:
	222	if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
	223	*data = g_variant_new_boolean(tmp == SR_MQFLAG_MAX);
	224	break;
	225	case SR_CONF_HOLD_MIN:
	226	if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
	227	*data = g_variant_new_boolean(tmp == SR_MQFLAG_MIN);
	228	break;
f157b2ee BV	229	case SR_CONF_SPL_MEASUREMENT_RANGE:
	230	if ((ret = cem_dt_885x_meas_range_get(sdi, &low, &high)) == SR_OK) {
	231	range[0] = g_variant_new_uint64(low);
	232	range[1] = g_variant_new_uint64(high);
	233	*data = g_variant_new_tuple(range, 2);
	234	}
	235	break;
4c22355f BV	236	case SR_CONF_POWER_OFF:
	237	*data = g_variant_new_boolean(FALSE);
	238	break;
8fa9368e BV	239	default:
	240	return SR_ERR_NA;
	241	}
	242
a90e480c	243	return ret;
8fa9368e BV	244	}
	245
	246	static int config_set(int key, GVariant data, const struct sr_dev_inst sdi)
	247	{
7fb8279c	248	struct dev_context *devc;
f157b2ee BV	249	uint64_t tmp_u64, low, high;
f157b2ee BV	250	unsigned int i;
a90e480c	251	int tmp, ret;
be733919	252	const char *tmp_str;
8fa9368e	253
8fa9368e BV	254	if (sdi->status != SR_ST_ACTIVE)
	255	return SR_ERR_DEV_CLOSED;
	256
7fb8279c BV	257	if (!(devc = sdi->priv)) {
	258	sr_err("sdi->priv was NULL.");
	259	return SR_ERR_BUG;
	260	}
	261
8fa9368e BV	262	ret = SR_OK;
8fa9368e BV	263	switch (key) {
7fb8279c BV	264	case SR_CONF_LIMIT_SAMPLES:
	265	tmp_u64 = g_variant_get_uint64(data);
	266	devc->limit_samples = tmp_u64;
	267	ret = SR_OK;
	268	break;
e1af0e85	269	case SR_CONF_DATALOG:
0cd9107d	270	ret = cem_dt_885x_recording_set(sdi, g_variant_get_boolean(data));
e1af0e85	271	break;
be733919 BV	272	case SR_CONF_SPL_WEIGHT_FREQ:
	273	tmp_str = g_variant_get_string(data, NULL);
	274	if (!strcmp(tmp_str, "A"))
	275	ret = cem_dt_885x_weight_freq_set(sdi,
	276	SR_MQFLAG_SPL_FREQ_WEIGHT_A);
	277	else if (!strcmp(tmp_str, "C"))
	278	ret = cem_dt_885x_weight_freq_set(sdi,
	279	SR_MQFLAG_SPL_FREQ_WEIGHT_C);
	280	else
	281	return SR_ERR_ARG;
	282	break;
1487ce4f BV	283	case SR_CONF_SPL_WEIGHT_TIME:
	284	tmp_str = g_variant_get_string(data, NULL);
	285	if (!strcmp(tmp_str, "F"))
	286	ret = cem_dt_885x_weight_time_set(sdi,
	287	SR_MQFLAG_SPL_TIME_WEIGHT_F);
	288	else if (!strcmp(tmp_str, "S"))
	289	ret = cem_dt_885x_weight_time_set(sdi,
	290	SR_MQFLAG_SPL_TIME_WEIGHT_S);
	291	else
	292	return SR_ERR_ARG;
	293	break;
a90e480c BV	294	case SR_CONF_HOLD_MAX:
	295	tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MAX : 0;
	296	ret = cem_dt_885x_holdmode_set(sdi, tmp);
	297	break;
	298	case SR_CONF_HOLD_MIN:
	299	tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MIN : 0;
	300	ret = cem_dt_885x_holdmode_set(sdi, tmp);
	301	break;
f157b2ee BV	302	case SR_CONF_SPL_MEASUREMENT_RANGE:
	303	g_variant_get(data, "(tt)", &low, &high);
	304	ret = SR_ERR_ARG;
	305	for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
	306	if (meas_ranges[i][0] == low && meas_ranges[i][1] == high) {
	307	ret = cem_dt_885x_meas_range_set(sdi, low, high);
	308	break;
	309	}
	310	}
	311	break;
4c22355f BV	312	case SR_CONF_POWER_OFF:
	313	if (g_variant_get_boolean(data))
	314	ret = cem_dt_885x_power_off(sdi);
	315	break;
8fa9368e BV	316	default:
	317	ret = SR_ERR_NA;
	318	}
	319
	320	return ret;
	321	}
	322
	323	static int config_list(int key, GVariant *data, const struct sr_dev_inst sdi)
	324	{
f157b2ee BV	325	GVariant tuple, range[2];
	326	GVariantBuilder gvb;
	327	unsigned int i;
8fa9368e BV	328	int ret;
	329
	330	(void)sdi;
8fa9368e BV	331
	332	ret = SR_OK;
	333	switch (key) {
7fb8279c BV	334	case SR_CONF_SCAN_OPTIONS:
	335	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
	336	hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
	337	break;
	338	case SR_CONF_DEVICE_OPTIONS:
	339	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
	340	hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
	341	break;
be733919 BV	342	case SR_CONF_SPL_WEIGHT_FREQ:
	343	*data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
	344	break;
1487ce4f BV	345	case SR_CONF_SPL_WEIGHT_TIME:
	346	*data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
	347	break;
f157b2ee BV	348	case SR_CONF_SPL_MEASUREMENT_RANGE:
	349	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	350	for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
	351	range[0] = g_variant_new_uint64(meas_ranges[i][0]);
	352	range[1] = g_variant_new_uint64(meas_ranges[i][1]);
	353	tuple = g_variant_new_tuple(range, 2);
	354	g_variant_builder_add_value(&gvb, tuple);
	355	}
	356	*data = g_variant_builder_end(&gvb);
	357	break;
8fa9368e BV	358	default:
	359	return SR_ERR_NA;
	360	}
	361
	362	return ret;
	363	}
	364
e37c4b39	365	static int dev_acquisition_start(const struct sr_dev_inst sdi, void cb_data)
8fa9368e	366	{
e37c4b39 BV	367	struct dev_context *devc;
e37c4b39 BV	368	struct sr_serial_dev_inst *serial;
8fa9368e BV	369
	370	if (sdi->status != SR_ST_ACTIVE)
	371	return SR_ERR_DEV_CLOSED;
	372
e37c4b39 BV	373	if (!(devc = sdi->priv)) {
	374	sr_err("sdi->priv was NULL.");
	375	return SR_ERR_BUG;
	376	}
	377
	378	devc->cb_data = cb_data;
	379	devc->state = ST_INIT;
	380	devc->num_samples = 0;
	381	devc->buf_len = 0;
	382
	383	/* Send header packet to the session bus. */
	384	std_session_send_df_header(cb_data, LOG_PREFIX);
	385
	386	/* Poll every 100ms, or whenever some data comes in. */
	387	serial = sdi->conn;
	388	sr_source_add(serial->fd, G_IO_IN, 150, cem_dt_885x_receive_data,
	389	(void *)sdi);
8fa9368e BV	390
	391	return SR_OK;
	392	}
	393
	394	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
	395	{
	396	(void)cb_data;
	397
	398	if (sdi->status != SR_ST_ACTIVE)
	399	return SR_ERR_DEV_CLOSED;
	400
e37c4b39 BV	401	return std_dev_acquisition_stop_serial(sdi, cb_data, dev_close,
e37c4b39 BV	402	sdi->conn, LOG_PREFIX);
8fa9368e BV	403
	404	return SR_OK;
	405	}
	406
	407	SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info = {
	408	.name = "cem-dt-885x",
	409	.longname = "CEM DT-885x",
	410	.api_version = 1,
	411	.init = init,
	412	.cleanup = cleanup,
	413	.scan = scan,
	414	.dev_list = dev_list,
	415	.dev_clear = dev_clear,
	416	.config_get = config_get,
	417	.config_set = config_set,
	418	.config_list = config_list,
	419	.dev_open = dev_open,
	420	.dev_close = dev_close,
	421	.dev_acquisition_start = dev_acquisition_start,
	422	.dev_acquisition_stop = dev_acquisition_stop,
	423	.priv = NULL,
	424	};