[libsigrok.git] / src / hardware / korad-kaxxxxp / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2015 Hannu Vuolasaho <vuokkosetae@gmail.com>
 * Copyright (C) 2018-2019 Frank Stettner <frank-stettner@gmx.net>
 *
 * 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 <config.h>
#include "protocol.h"

static const uint32_t scanopts[] = {
	SR_CONF_CONN,
	SR_CONF_SERIALCOMM,
};

static const uint32_t drvopts[] = {
	SR_CONF_POWER_SUPPLY,
};

static const uint32_t devopts[] = {
	SR_CONF_CONN | SR_CONF_GET,
	SR_CONF_CONTINUOUS,
	SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_VOLTAGE | SR_CONF_GET,
	SR_CONF_VOLTAGE_TARGET | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_CURRENT | SR_CONF_GET,
	SR_CONF_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_REGULATION | SR_CONF_GET,
	SR_CONF_OVER_CURRENT_PROTECTION_ENABLED | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED | SR_CONF_GET | SR_CONF_SET,
};

static const struct korad_kaxxxxp_model models[] = {
	/* Device enum, vendor, model, ID reply, channels, voltage, current */
	{VELLEMAN_PS3005D, "Velleman", "PS3005D",
		"VELLEMANPS3005DV2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	{VELLEMAN_LABPS3005D, "Velleman", "LABPS3005D",
		"VELLEMANLABPS3005DV2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	{KORAD_KA3005P, "Korad", "KA3005P",
		"KORADKA3005PV2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	/* Sometimes the KA3005P has an extra 0x01 after the ID. */
	{KORAD_KA3005P_0X01, "Korad", "KA3005P",
		"KORADKA3005PV2.0\x01", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	/* Sometimes the KA3005P has an extra 0xBC after the ID. */
	{KORAD_KA3005P_0XBC, "Korad", "KA3005P",
		"KORADKA3005PV2.0\xBC", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	{KORAD_KA3005P_V42, "Korad", "KA3005P",
		"KORAD KA3005P V4.2", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	{KORAD_KA3005P_V55, "Korad", "KA3005P",
		"KORAD KA3005P V5.5", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	{KORAD_KD3005P, "Korad", "KD3005P",
		"KORAD KD3005P V2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	{KORAD_KD3005P_V20_NOSP, "Korad", "KD3005P",
		"KORADKD3005PV2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	{RND_320_KD3005P, "RND", "KD3005P",
		"RND 320-KD3005P V4.2", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	{RND_320_KA3005P, "RND", "KA3005P",
		"RND 320-KA3005P V5.5", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	{RND_320K30PV, "RND", "KA3005P",
		"RND 320-KA3005P V2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	{TENMA_72_2550_V2, "Tenma", "72-2550",
		"TENMA72-2550V2.0", 1, {0, 61, 0.01}, {0, 3.1, 0.001}},
	{TENMA_72_2540_V20, "Tenma", "72-2540",
		"TENMA72-2540V2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	{TENMA_72_2540_V21, "Tenma", "72-2540",
		"TENMA 72-2540 V2.1", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	{TENMA_72_2540_V52, "Tenma", "72-2540",
		"TENMA 72-2540 V5.2", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	{TENMA_72_2535_V21, "Tenma", "72-2535",
		"TENMA 72-2535 V2.1", 1, {0, 31, 0.01}, {0, 3.1, 0.001}},
	{STAMOS_SLS31_V20, "Stamos Soldering", "S-LS-31",
		"S-LS-31 V2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	{KORAD_KD6005P, "Korad", "KD6005P",
		"KORAD KD6005P V2.2", 1, {0, 61, 0.01}, {0, 5.1, 0.001}},
	ALL_ZERO
};

static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
	struct dev_context *devc;
	GSList *l;
	struct sr_dev_inst *sdi;
	struct sr_config *src;
	const char *conn, *serialcomm;
	struct sr_serial_dev_inst *serial;
	char reply[50];
	int i, model_id;
	unsigned int len;

	conn = NULL;
	serialcomm = NULL;

	for (l = options; l; l = l->next) {
		src = l->data;
		switch (src->key) {
		case SR_CONF_CONN:
			conn = g_variant_get_string(src->data, NULL);
			break;
		case SR_CONF_SERIALCOMM:
			serialcomm = g_variant_get_string(src->data, NULL);
			break;
		default:
			sr_err("Unknown option %d, skipping.", src->key);
			break;
		}
	}

	if (!conn)
		return NULL;
	if (!serialcomm)
		serialcomm = "9600/8n1";

	serial = sr_serial_dev_inst_new(conn, serialcomm);
	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
		return NULL;

	/* Get the device model. */
	len = 0;
	for (i = 0; models[i].id; i++) {
		if (strlen(models[i].id) > len)
			len = strlen(models[i].id);
	}

	/*
	 * Some models also include the serial number:
	 * RND 320-KD3005P V4.2 SN:59834414
	 */
	len += 12;

	memset(&reply, 0, sizeof(reply));
	sr_dbg("Want max %d bytes.", len);
	if ((korad_kaxxxxp_send_cmd(serial, "*IDN?") < 0))
		return NULL;

	/* i is used here for debug purposes only. */
	if ((i = korad_kaxxxxp_read_chars(serial, len, reply)) < 0)
		return NULL;
	sr_dbg("Received: %d, %s", i, reply);
	model_id = -1;

	/* Truncate before serial number. */
	char *sn = g_strrstr(reply, " SN:");
	if (sn)
		*sn = '\0';

	for (i = 0; models[i].id; i++) {
		if (!g_strcmp0(models[i].id, reply))
			model_id = i;
	}
	if (model_id < 0) {
		sr_err("Unknown model ID '%s' detected, aborting.", reply);
		return NULL;
	}
	sr_dbg("Found: %s %s (idx %d, ID '%s').", models[model_id].vendor,
		models[model_id].name, model_id, models[model_id].id);

	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	sdi->status = SR_ST_INACTIVE;
	sdi->vendor = g_strdup(models[model_id].vendor);
	sdi->model = g_strdup(models[model_id].name);
	sdi->inst_type = SR_INST_SERIAL;
	sdi->conn = serial;
	sdi->connection_id = g_strdup(conn);

	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V");
	sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "I");

	devc = g_malloc0(sizeof(struct dev_context));
	sr_sw_limits_init(&devc->limits);
	g_mutex_init(&devc->rw_mutex);
	devc->model = &models[model_id];
	devc->req_sent_at = 0;
	devc->cc_mode_1_changed = FALSE;
	devc->cc_mode_2_changed = FALSE;
	devc->output_enabled_changed = FALSE;
	devc->ocp_enabled_changed = FALSE;
	devc->ovp_enabled_changed = FALSE;
	sdi->priv = devc;

	/* Get current status of device. */
	if (korad_kaxxxxp_get_all_values(serial, devc) < 0)
		goto exit_err;

	serial_close(serial);

	return std_scan_complete(di, g_slist_append(NULL, sdi));

exit_err:
	sr_dev_inst_free(sdi);
	g_free(devc);
	sr_dbg("Scan failed.");

	return 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;

	(void)cg;

	if (!sdi || !data)
		return SR_ERR_ARG;

	devc = sdi->priv;

	switch (key) {
	case SR_CONF_LIMIT_SAMPLES:
	case SR_CONF_LIMIT_MSEC:
		return sr_sw_limits_config_get(&devc->limits, key, data);
	case SR_CONF_CONN:
		*data = g_variant_new_string(sdi->connection_id);
		break;
	case SR_CONF_VOLTAGE:
		korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_VOLTAGE, devc);
		*data = g_variant_new_double(devc->voltage);
		break;
	case SR_CONF_VOLTAGE_TARGET:
		korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_VOLTAGE_TARGET, devc);
		*data = g_variant_new_double(devc->voltage_target);
		break;
	case SR_CONF_CURRENT:
		korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_CURRENT, devc);
		*data = g_variant_new_double(devc->current);
		break;
	case SR_CONF_CURRENT_LIMIT:
		korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_CURRENT_LIMIT, devc);
		*data = g_variant_new_double(devc->current_limit);
		break;
	case SR_CONF_ENABLED:
		korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OUTPUT, devc);
		*data = g_variant_new_boolean(devc->output_enabled);
		break;
	case SR_CONF_REGULATION:
		/* Dual channel not supported. */
		korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_STATUS, devc);
		*data = g_variant_new_string((devc->cc_mode[0]) ? "CC" : "CV");
		break;
	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
		korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OCP, devc);
		*data = g_variant_new_boolean(devc->ocp_enabled);
		break;
	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
		korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OVP, devc);
		*data = g_variant_new_boolean(devc->ovp_enabled);
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

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;
	double dval;
	gboolean bval;

	(void)cg;

	devc = sdi->priv;

	switch (key) {
	case SR_CONF_LIMIT_MSEC:
	case SR_CONF_LIMIT_SAMPLES:
		return sr_sw_limits_config_set(&devc->limits, key, data);
	case SR_CONF_VOLTAGE_TARGET:
		dval = g_variant_get_double(data);
		if (dval < devc->model->voltage[0] || dval > devc->model->voltage[1])
			return SR_ERR_ARG;
		devc->set_voltage_target = dval;
		if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_VOLTAGE_TARGET, devc) < 0)
			return SR_ERR;
		break;
	case SR_CONF_CURRENT_LIMIT:
		dval = g_variant_get_double(data);
		if (dval < devc->model->current[0] || dval > devc->model->current[1])
			return SR_ERR_ARG;
		devc->set_current_limit = dval;
		if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_CURRENT_LIMIT, devc) < 0)
			return SR_ERR;
		break;
	case SR_CONF_ENABLED:
		bval = g_variant_get_boolean(data);
		/* Set always so it is possible turn off with sigrok-cli. */
		devc->set_output_enabled = bval;
		if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OUTPUT, devc) < 0)
			return SR_ERR;
		break;
	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
		bval = g_variant_get_boolean(data);
		devc->set_ocp_enabled = bval;
		if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OCP, devc) < 0)
			return SR_ERR;
		break;
	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
		bval = g_variant_get_boolean(data);
		devc->set_ovp_enabled = bval;
		if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OVP, devc) < 0)
			return SR_ERR;
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int config_list(uint32_t key, GVariant **data,
	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
	struct dev_context *devc;

	devc = (sdi) ? sdi->priv : NULL;

	switch (key) {
	case SR_CONF_SCAN_OPTIONS:
	case SR_CONF_DEVICE_OPTIONS:
		return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
	case SR_CONF_VOLTAGE_TARGET:
		if (!devc || !devc->model)
			return SR_ERR_ARG;
		*data = std_gvar_min_max_step_array(devc->model->voltage);
		break;
	case SR_CONF_CURRENT_LIMIT:
		if (!devc || !devc->model)
			return SR_ERR_ARG;
		*data = std_gvar_min_max_step_array(devc->model->current);
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int dev_close(struct sr_dev_inst *sdi)
{
	struct dev_context *devc;

	devc = (sdi) ? sdi->priv : NULL;
	if (devc)
		g_mutex_clear(&devc->rw_mutex);

	return std_serial_dev_close(sdi);
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
	struct dev_context *devc;
	struct sr_serial_dev_inst *serial;

	devc = sdi->priv;

	sr_sw_limits_acquisition_start(&devc->limits);
	std_session_send_df_header(sdi);

	devc->req_sent_at = 0;
	serial = sdi->conn;
	serial_source_add(sdi->session, serial, G_IO_IN,
			KAXXXXP_POLL_INTERVAL_MS,
			korad_kaxxxxp_receive_data, (void *)sdi);

	return SR_OK;
}

static struct sr_dev_driver korad_kaxxxxp_driver_info = {
	.name = "korad-kaxxxxp",
	.longname = "Korad KAxxxxP",
	.api_version = 1,
	.init = std_init,
	.cleanup = std_cleanup,
	.scan = scan,
	.dev_list = std_dev_list,
	.dev_clear = std_dev_clear,
	.config_get = config_get,
	.config_set = config_set,
	.config_list = config_list,
	.dev_open = std_serial_dev_open,
	.dev_close = dev_close,
	.dev_acquisition_start = dev_acquisition_start,
	.dev_acquisition_stop = std_serial_dev_acquisition_stop,
	.context = NULL,
};
SR_REGISTER_DEV_DRIVER(korad_kaxxxxp_driver_info);
Commit	Line	Data
	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2015 Hannu Vuolasaho <vuokkosetae@gmail.com>
	5	* Copyright (C) 2018-2019 Frank Stettner <frank-stettner@gmx.net>
	6	*
	7	* This program is free software: you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation, either version 3 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	19	*/
	20
	21	#include <config.h>
	22	#include "protocol.h"
	23
	24	static const uint32_t scanopts[] = {
	25	SR_CONF_CONN,
	26	SR_CONF_SERIALCOMM,
	27	};
	28
	29	static const uint32_t drvopts[] = {
	30	SR_CONF_POWER_SUPPLY,
	31	};
	32
	33	static const uint32_t devopts[] = {
	34	SR_CONF_CONN \| SR_CONF_GET,
	35	SR_CONF_CONTINUOUS,
	36	SR_CONF_LIMIT_SAMPLES \| SR_CONF_GET \| SR_CONF_SET,
	37	SR_CONF_LIMIT_MSEC \| SR_CONF_GET \| SR_CONF_SET,
	38	SR_CONF_VOLTAGE \| SR_CONF_GET,
	39	SR_CONF_VOLTAGE_TARGET \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	40	SR_CONF_CURRENT \| SR_CONF_GET,
	41	SR_CONF_CURRENT_LIMIT \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	42	SR_CONF_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
	43	SR_CONF_REGULATION \| SR_CONF_GET,
	44	SR_CONF_OVER_CURRENT_PROTECTION_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
	45	SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
	46	};
	47
	48	static const struct korad_kaxxxxp_model models[] = {
	49	/* Device enum, vendor, model, ID reply, channels, voltage, current */
	50	{VELLEMAN_PS3005D, "Velleman", "PS3005D",
	51	"VELLEMANPS3005DV2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	52	{VELLEMAN_LABPS3005D, "Velleman", "LABPS3005D",
	53	"VELLEMANLABPS3005DV2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	54	{KORAD_KA3005P, "Korad", "KA3005P",
	55	"KORADKA3005PV2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	56	/* Sometimes the KA3005P has an extra 0x01 after the ID. */
	57	{KORAD_KA3005P_0X01, "Korad", "KA3005P",
	58	"KORADKA3005PV2.0\x01", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	59	/* Sometimes the KA3005P has an extra 0xBC after the ID. */
	60	{KORAD_KA3005P_0XBC, "Korad", "KA3005P",
	61	"KORADKA3005PV2.0\xBC", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	62	{KORAD_KA3005P_V42, "Korad", "KA3005P",
	63	"KORAD KA3005P V4.2", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	64	{KORAD_KA3005P_V55, "Korad", "KA3005P",
	65	"KORAD KA3005P V5.5", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	66	{KORAD_KD3005P, "Korad", "KD3005P",
	67	"KORAD KD3005P V2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	68	{KORAD_KD3005P_V20_NOSP, "Korad", "KD3005P",
	69	"KORADKD3005PV2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	70	{RND_320_KD3005P, "RND", "KD3005P",
	71	"RND 320-KD3005P V4.2", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	72	{RND_320_KA3005P, "RND", "KA3005P",
	73	"RND 320-KA3005P V5.5", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	74	{RND_320K30PV, "RND", "KA3005P",
	75	"RND 320-KA3005P V2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	76	{TENMA_72_2550_V2, "Tenma", "72-2550",
	77	"TENMA72-2550V2.0", 1, {0, 61, 0.01}, {0, 3.1, 0.001}},
	78	{TENMA_72_2540_V20, "Tenma", "72-2540",
	79	"TENMA72-2540V2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	80	{TENMA_72_2540_V21, "Tenma", "72-2540",
	81	"TENMA 72-2540 V2.1", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	82	{TENMA_72_2540_V52, "Tenma", "72-2540",
	83	"TENMA 72-2540 V5.2", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	84	{TENMA_72_2535_V21, "Tenma", "72-2535",
	85	"TENMA 72-2535 V2.1", 1, {0, 31, 0.01}, {0, 3.1, 0.001}},
	86	{STAMOS_SLS31_V20, "Stamos Soldering", "S-LS-31",
	87	"S-LS-31 V2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	88	{KORAD_KD6005P, "Korad", "KD6005P",
	89	"KORAD KD6005P V2.2", 1, {0, 61, 0.01}, {0, 5.1, 0.001}},
	90	ALL_ZERO
	91	};
	92
	93	static GSList scan(struct sr_dev_driver di, GSList *options)
	94	{
	95	struct dev_context *devc;
	96	GSList *l;
	97	struct sr_dev_inst *sdi;
	98	struct sr_config *src;
	99	const char conn, serialcomm;
	100	struct sr_serial_dev_inst *serial;
	101	char reply[50];
	102	int i, model_id;
	103	unsigned int len;
	104
	105	conn = NULL;
	106	serialcomm = NULL;
	107
	108	for (l = options; l; l = l->next) {
	109	src = l->data;
	110	switch (src->key) {
	111	case SR_CONF_CONN:
	112	conn = g_variant_get_string(src->data, NULL);
	113	break;
	114	case SR_CONF_SERIALCOMM:
	115	serialcomm = g_variant_get_string(src->data, NULL);
	116	break;
	117	default:
	118	sr_err("Unknown option %d, skipping.", src->key);
	119	break;
	120	}
	121	}
	122
	123	if (!conn)
	124	return NULL;
	125	if (!serialcomm)
	126	serialcomm = "9600/8n1";
	127
	128	serial = sr_serial_dev_inst_new(conn, serialcomm);
	129	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	130	return NULL;
	131
	132	/* Get the device model. */
	133	len = 0;
	134	for (i = 0; models[i].id; i++) {
	135	if (strlen(models[i].id) > len)
	136	len = strlen(models[i].id);
	137	}
	138
	139	/*
	140	* Some models also include the serial number:
	141	* RND 320-KD3005P V4.2 SN:59834414
	142	*/
	143	len += 12;
	144
	145	memset(&reply, 0, sizeof(reply));
	146	sr_dbg("Want max %d bytes.", len);
	147	if ((korad_kaxxxxp_send_cmd(serial, "*IDN?") < 0))
	148	return NULL;
	149
	150	/* i is used here for debug purposes only. */
	151	if ((i = korad_kaxxxxp_read_chars(serial, len, reply)) < 0)
	152	return NULL;
	153	sr_dbg("Received: %d, %s", i, reply);
	154	model_id = -1;
	155
	156	/* Truncate before serial number. */
	157	char *sn = g_strrstr(reply, " SN:");
	158	if (sn)
	159	*sn = '\0';
	160
	161	for (i = 0; models[i].id; i++) {
	162	if (!g_strcmp0(models[i].id, reply))
	163	model_id = i;
	164	}
	165	if (model_id < 0) {
	166	sr_err("Unknown model ID '%s' detected, aborting.", reply);
	167	return NULL;
	168	}
	169	sr_dbg("Found: %s %s (idx %d, ID '%s').", models[model_id].vendor,
	170	models[model_id].name, model_id, models[model_id].id);
	171
	172	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	173	sdi->status = SR_ST_INACTIVE;
	174	sdi->vendor = g_strdup(models[model_id].vendor);
	175	sdi->model = g_strdup(models[model_id].name);
	176	sdi->inst_type = SR_INST_SERIAL;
	177	sdi->conn = serial;
	178	sdi->connection_id = g_strdup(conn);
	179
	180	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V");
	181	sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "I");
	182
	183	devc = g_malloc0(sizeof(struct dev_context));
	184	sr_sw_limits_init(&devc->limits);
	185	g_mutex_init(&devc->rw_mutex);
	186	devc->model = &models[model_id];
	187	devc->req_sent_at = 0;
	188	devc->cc_mode_1_changed = FALSE;
	189	devc->cc_mode_2_changed = FALSE;
	190	devc->output_enabled_changed = FALSE;
	191	devc->ocp_enabled_changed = FALSE;
	192	devc->ovp_enabled_changed = FALSE;
	193	sdi->priv = devc;
	194
	195	/* Get current status of device. */
	196	if (korad_kaxxxxp_get_all_values(serial, devc) < 0)
	197	goto exit_err;
	198
	199	serial_close(serial);
	200
	201	return std_scan_complete(di, g_slist_append(NULL, sdi));
	202
	203	exit_err:
	204	sr_dev_inst_free(sdi);
	205	g_free(devc);
	206	sr_dbg("Scan failed.");
	207
	208	return NULL;
	209	}
	210
	211	static int config_get(uint32_t key, GVariant **data,
	212	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	213	{
	214	struct dev_context *devc;
	215
	216	(void)cg;
	217
	218	if (!sdi \|\| !data)
	219	return SR_ERR_ARG;
	220
	221	devc = sdi->priv;
	222
	223	switch (key) {
	224	case SR_CONF_LIMIT_SAMPLES:
	225	case SR_CONF_LIMIT_MSEC:
	226	return sr_sw_limits_config_get(&devc->limits, key, data);
	227	case SR_CONF_CONN:
	228	*data = g_variant_new_string(sdi->connection_id);
	229	break;
	230	case SR_CONF_VOLTAGE:
	231	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_VOLTAGE, devc);
	232	*data = g_variant_new_double(devc->voltage);
	233	break;
	234	case SR_CONF_VOLTAGE_TARGET:
	235	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_VOLTAGE_TARGET, devc);
	236	*data = g_variant_new_double(devc->voltage_target);
	237	break;
	238	case SR_CONF_CURRENT:
	239	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_CURRENT, devc);
	240	*data = g_variant_new_double(devc->current);
	241	break;
	242	case SR_CONF_CURRENT_LIMIT:
	243	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_CURRENT_LIMIT, devc);
	244	*data = g_variant_new_double(devc->current_limit);
	245	break;
	246	case SR_CONF_ENABLED:
	247	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OUTPUT, devc);
	248	*data = g_variant_new_boolean(devc->output_enabled);
	249	break;
	250	case SR_CONF_REGULATION:
	251	/* Dual channel not supported. */
	252	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_STATUS, devc);
	253	*data = g_variant_new_string((devc->cc_mode[0]) ? "CC" : "CV");
	254	break;
	255	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
	256	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OCP, devc);
	257	*data = g_variant_new_boolean(devc->ocp_enabled);
	258	break;
	259	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
	260	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OVP, devc);
	261	*data = g_variant_new_boolean(devc->ovp_enabled);
	262	break;
	263	default:
	264	return SR_ERR_NA;
	265	}
	266
	267	return SR_OK;
	268	}
	269
	270	static int config_set(uint32_t key, GVariant *data,
	271	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	272	{
	273	struct dev_context *devc;
	274	double dval;
	275	gboolean bval;
	276
	277	(void)cg;
	278
	279	devc = sdi->priv;
	280
	281	switch (key) {
	282	case SR_CONF_LIMIT_MSEC:
	283	case SR_CONF_LIMIT_SAMPLES:
	284	return sr_sw_limits_config_set(&devc->limits, key, data);
	285	case SR_CONF_VOLTAGE_TARGET:
	286	dval = g_variant_get_double(data);
	287	if (dval < devc->model->voltage[0] \|\| dval > devc->model->voltage[1])
	288	return SR_ERR_ARG;
	289	devc->set_voltage_target = dval;
	290	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_VOLTAGE_TARGET, devc) < 0)
	291	return SR_ERR;
	292	break;
	293	case SR_CONF_CURRENT_LIMIT:
	294	dval = g_variant_get_double(data);
	295	if (dval < devc->model->current[0] \|\| dval > devc->model->current[1])
	296	return SR_ERR_ARG;
	297	devc->set_current_limit = dval;
	298	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_CURRENT_LIMIT, devc) < 0)
	299	return SR_ERR;
	300	break;
	301	case SR_CONF_ENABLED:
	302	bval = g_variant_get_boolean(data);
	303	/* Set always so it is possible turn off with sigrok-cli. */
	304	devc->set_output_enabled = bval;
	305	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OUTPUT, devc) < 0)
	306	return SR_ERR;
	307	break;
	308	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
	309	bval = g_variant_get_boolean(data);
	310	devc->set_ocp_enabled = bval;
	311	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OCP, devc) < 0)
	312	return SR_ERR;
	313	break;
	314	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
	315	bval = g_variant_get_boolean(data);
	316	devc->set_ovp_enabled = bval;
	317	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OVP, devc) < 0)
	318	return SR_ERR;
	319	break;
	320	default:
	321	return SR_ERR_NA;
	322	}
	323
	324	return SR_OK;
	325	}
	326
	327	static int config_list(uint32_t key, GVariant **data,
	328	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	329	{
	330	struct dev_context *devc;
	331
	332	devc = (sdi) ? sdi->priv : NULL;
	333
	334	switch (key) {
	335	case SR_CONF_SCAN_OPTIONS:
	336	case SR_CONF_DEVICE_OPTIONS:
	337	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
	338	case SR_CONF_VOLTAGE_TARGET:
	339	if (!devc \|\| !devc->model)
	340	return SR_ERR_ARG;
	341	*data = std_gvar_min_max_step_array(devc->model->voltage);
	342	break;
	343	case SR_CONF_CURRENT_LIMIT:
	344	if (!devc \|\| !devc->model)
	345	return SR_ERR_ARG;
	346	*data = std_gvar_min_max_step_array(devc->model->current);
	347	break;
	348	default:
	349	return SR_ERR_NA;
	350	}
	351
	352	return SR_OK;
	353	}
	354
	355	static int dev_close(struct sr_dev_inst *sdi)
	356	{
	357	struct dev_context *devc;
	358
	359	devc = (sdi) ? sdi->priv : NULL;
	360	if (devc)
	361	g_mutex_clear(&devc->rw_mutex);
	362
	363	return std_serial_dev_close(sdi);
	364	}
	365
	366	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	367	{
	368	struct dev_context *devc;
	369	struct sr_serial_dev_inst *serial;
	370
	371	devc = sdi->priv;
	372
	373	sr_sw_limits_acquisition_start(&devc->limits);
	374	std_session_send_df_header(sdi);
	375
	376	devc->req_sent_at = 0;
	377	serial = sdi->conn;
	378	serial_source_add(sdi->session, serial, G_IO_IN,
	379	KAXXXXP_POLL_INTERVAL_MS,
	380	korad_kaxxxxp_receive_data, (void *)sdi);
	381
	382	return SR_OK;
	383	}
	384
	385	static struct sr_dev_driver korad_kaxxxxp_driver_info = {
	386	.name = "korad-kaxxxxp",
	387	.longname = "Korad KAxxxxP",
	388	.api_version = 1,
	389	.init = std_init,
	390	.cleanup = std_cleanup,
	391	.scan = scan,
	392	.dev_list = std_dev_list,
	393	.dev_clear = std_dev_clear,
	394	.config_get = config_get,
	395	.config_set = config_set,
	396	.config_list = config_list,
	397	.dev_open = std_serial_dev_open,
	398	.dev_close = dev_close,
	399	.dev_acquisition_start = dev_acquisition_start,
	400	.dev_acquisition_stop = std_serial_dev_acquisition_stop,
	401	.context = NULL,
	402	};
	403	SR_REGISTER_DEV_DRIVER(korad_kaxxxxp_driver_info);