[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,
	SR_CONF_FORCE_DETECT,
};

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,
};

/* Voltage and current ranges. Values are: Min, max, step. */
static const double volts_30[] = { 0, 31, 0.01, };
static const double volts_60[] = { 0, 61, 0.01, };
static const double amps_3[] = { 0, 3.1, 0.001, };
static const double amps_5[] = { 0, 5.1, 0.001, };

static const struct korad_kaxxxxp_model models[] = {
	/* Vendor, model name, ID reply, channels, voltage, current, quirks. */
	{"Korad", "KA3005P", "KORADKA3005PV2.0", 1, volts_30, amps_5, 0},
	/* Some KA3005P have extra bytes after the ID text. */
	{"Korad", "KA3005P", "KORADKA3005PV2.0\x01", 1, volts_30, amps_5, 0},
	{"Korad", "KA3005P", "KORADKA3005PV2.0\xBC", 1, volts_30, amps_5, 0},
	{"Korad", "KA3005P", "KORAD KA3005P V4.2", 1, volts_30, amps_5, 0},
	{"Korad", "KA3005P", "KORAD KA3005P V5.5", 1, volts_30, amps_5, 0},
	{"Korad", "KD3005P", "KORAD KD3005P V2.0", 1, volts_30, amps_5, 0},
	{"Korad", "KD3005P", "KORADKD3005PV2.0", 1, volts_30, amps_5, 0},
	{"Korad", "KD3005P", "KORADKD3005PV2.1", 1, volts_30, amps_5, 0},
	{"Korad", "KD3005P", "KORAD KD3005P V4.1", 1, volts_30, amps_5, 0},
	{"Korad", "KD3005P", "KORAD KD3005P V6.8", 1, volts_30, amps_5, 0},
	{"Korad", "KD6005P", "KORAD KD6005P V2.2", 1, volts_60, amps_5, 0},
	{"RND", "KA3005P", "RND 320-KA3005P V5.5", 1, volts_30, amps_5, 0},
	{"RND", "KD3005P", "RND 320-KD3005P V4.2", 1, volts_30, amps_5, 0},
	{"RND", "KA3005P", "RND 320-KA3005P V2.0", 1, volts_30, amps_5, 0},
	{"Stamos Soldering", "S-LS-31", "S-LS-31 V2.0", 1, volts_30, amps_5, 0},
	{"Tenma", "72-2535", "TENMA 72-2535 V2.1", 1, volts_30, amps_3, 0},
	{"Tenma", "72-2540", "TENMA72-2540V2.0", 1, volts_30, amps_5, 0},
	{"Tenma", "72-2540", "TENMA 72-2540 V2.1", 1, volts_30, amps_5, 0},
	{"Tenma", "72-2540", "TENMA 72-2540 V5.2", 1, volts_30, amps_5, 0},
	{"Tenma", "72-2550", "TENMA72-2550V2.0", 1, volts_60, amps_3, 0},
	{"Tenma", "72-2710", "TENMA 72-2710 V6.6", 1, volts_30, amps_5, 0},
	{"Velleman", "LABPS3005D", "VELLEMANLABPS3005DV2.0",
		1, volts_30, amps_5, KORAD_QUIRK_LABPS_OVP_EN},
	{"Velleman", "PS3005D", "VELLEMANPS3005DV2.0",
		1, volts_30, amps_5, 0},
	ALL_ZERO
};

static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
	static const char *serno_prefix = " SN:";

	struct dev_context *devc;
	GSList *l;
	struct sr_dev_inst *sdi;
	struct sr_config *src;
	const char *conn, *serialcomm;
	const char *force_detect;
	struct sr_serial_dev_inst *serial;
	size_t i;
	char reply[50];
	int ret;
	const struct korad_kaxxxxp_model *model;
	size_t len;
	char *serno;

	conn = NULL;
	serialcomm = NULL;
	force_detect = 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;
		case SR_CONF_FORCE_DETECT:
			force_detect = 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";
	if (force_detect && !*force_detect)
		force_detect = NULL;

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

	/*
	 * Prepare a receive buffer for the identification response that
	 * is large enough to hold the longest known model name, and an
	 * optional serial number. Communicate the identification request.
	 */
	len = 0;
	for (i = 0; models[i].id; i++) {
		if (len < strlen(models[i].id))
			len = strlen(models[i].id);
	}
	len += strlen(serno_prefix) + 12;
	if (len > sizeof(reply) - 1)
		len = sizeof(reply) - 1;
	sr_dbg("Want max %zu bytes.", len);

	ret = korad_kaxxxxp_send_cmd(serial, "*IDN?");
	if (ret < 0)
		return NULL;

	ret = korad_kaxxxxp_read_chars(serial, len, reply);
	if (ret < 0)
		return NULL;
	sr_dbg("Received: %d, %s", ret, reply);

	/*
	 * Isolate the optional serial number at the response's end.
	 * Lookup the response's model ID in the list of known models.
	 */
	serno = g_strrstr(reply, serno_prefix);
	if (serno) {
		*serno = '\0';
		serno += strlen(serno_prefix);
	}

	model = NULL;
	for (i = 0; models[i].id; i++) {
		if (g_strcmp0(models[i].id, reply) != 0)
			continue;
		model = &models[i];
		break;
	}
	if (!model && force_detect) {
		sr_warn("Found model ID '%s' is unknown, trying '%s' spec.",
			reply, force_detect);
		for (i = 0; models[i].id; i++) {
			if (strcmp(models[i].id, force_detect) != 0)
				continue;
			sr_info("Found replacement, using it instead.");
			model = &models[i];
			break;
		}
	}
	if (!model) {
		sr_err("Unknown model ID '%s' detected, aborting.", reply);
		return NULL;
	}
	sr_dbg("Found: %s %s (idx %zu, ID '%s').", model->vendor, model->name,
		model - &models[0], model->id);

	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	sdi->status = SR_ST_INACTIVE;
	sdi->vendor = g_strdup(model->vendor);
	sdi->model = g_strdup(model->name);
	if (serno)
		sdi->serial_num = g_strdup(serno);
	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 = model;
	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
e75ee7de HV	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2015 Hannu Vuolasaho <vuokkosetae@gmail.com>
2e129b8b	5	* Copyright (C) 2018-2019 Frank Stettner <frank-stettner@gmx.net>
e75ee7de HV	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
d7083042 HV	24	static const uint32_t scanopts[] = {
	25	SR_CONF_CONN,
	26	SR_CONF_SERIALCOMM,
e37e301e	27	SR_CONF_FORCE_DETECT,
d7083042 HV	28	};
d7083042 HV	29
55fb76b3	30	static const uint32_t drvopts[] = {
55fb76b3 UH	31	SR_CONF_POWER_SUPPLY,
	32	};
	33
d7083042	34	static const uint32_t devopts[] = {
048250d0	35	SR_CONF_CONN \| SR_CONF_GET,
d7083042 HV	36	SR_CONF_CONTINUOUS,
	37	SR_CONF_LIMIT_SAMPLES \| SR_CONF_GET \| SR_CONF_SET,
	38	SR_CONF_LIMIT_MSEC \| SR_CONF_GET \| SR_CONF_SET,
d7083042 HV	39	SR_CONF_VOLTAGE \| SR_CONF_GET,
	40	SR_CONF_VOLTAGE_TARGET \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	41	SR_CONF_CURRENT \| SR_CONF_GET,
	42	SR_CONF_CURRENT_LIMIT \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	43	SR_CONF_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
b16d975a	44	SR_CONF_REGULATION \| SR_CONF_GET,
c40ed60f HV	45	SR_CONF_OVER_CURRENT_PROTECTION_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
c40ed60f HV	46	SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
d7083042 HV	47	};
d7083042 HV	48
ecd4600b GS	49	/* Voltage and current ranges. Values are: Min, max, step. */
	50	static const double volts_30[] = { 0, 31, 0.01, };
	51	static const double volts_60[] = { 0, 61, 0.01, };
	52	static const double amps_3[] = { 0, 3.1, 0.001, };
	53	static const double amps_5[] = { 0, 5.1, 0.001, };
	54
16fc7ee2	55	static const struct korad_kaxxxxp_model models[] = {
c55adfa1	56	/* Vendor, model name, ID reply, channels, voltage, current, quirks. */
942afb5a GS	57	{"Korad", "KA3005P", "KORADKA3005PV2.0", 1, volts_30, amps_5, 0},
	58	/* Some KA3005P have extra bytes after the ID text. */
	59	{"Korad", "KA3005P", "KORADKA3005PV2.0\x01", 1, volts_30, amps_5, 0},
	60	{"Korad", "KA3005P", "KORADKA3005PV2.0\xBC", 1, volts_30, amps_5, 0},
	61	{"Korad", "KA3005P", "KORAD KA3005P V4.2", 1, volts_30, amps_5, 0},
	62	{"Korad", "KA3005P", "KORAD KA3005P V5.5", 1, volts_30, amps_5, 0},
	63	{"Korad", "KD3005P", "KORAD KD3005P V2.0", 1, volts_30, amps_5, 0},
	64	{"Korad", "KD3005P", "KORADKD3005PV2.0", 1, volts_30, amps_5, 0},
	65	{"Korad", "KD3005P", "KORADKD3005PV2.1", 1, volts_30, amps_5, 0},
	66	{"Korad", "KD3005P", "KORAD KD3005P V4.1", 1, volts_30, amps_5, 0},
	67	{"Korad", "KD3005P", "KORAD KD3005P V6.8", 1, volts_30, amps_5, 0},
	68	{"Korad", "KD6005P", "KORAD KD6005P V2.2", 1, volts_60, amps_5, 0},
	69	{"RND", "KA3005P", "RND 320-KA3005P V5.5", 1, volts_30, amps_5, 0},
	70	{"RND", "KD3005P", "RND 320-KD3005P V4.2", 1, volts_30, amps_5, 0},
	71	{"RND", "KA3005P", "RND 320-KA3005P V2.0", 1, volts_30, amps_5, 0},
	72	{"Stamos Soldering", "S-LS-31", "S-LS-31 V2.0", 1, volts_30, amps_5, 0},
	73	{"Tenma", "72-2535", "TENMA 72-2535 V2.1", 1, volts_30, amps_3, 0},
	74	{"Tenma", "72-2540", "TENMA72-2540V2.0", 1, volts_30, amps_5, 0},
	75	{"Tenma", "72-2540", "TENMA 72-2540 V2.1", 1, volts_30, amps_5, 0},
	76	{"Tenma", "72-2540", "TENMA 72-2540 V5.2", 1, volts_30, amps_5, 0},
	77	{"Tenma", "72-2550", "TENMA72-2550V2.0", 1, volts_60, amps_3, 0},
	78	{"Tenma", "72-2710", "TENMA 72-2710 V6.6", 1, volts_30, amps_5, 0},
c55adfa1	79	{"Velleman", "LABPS3005D", "VELLEMANLABPS3005DV2.0",
c7275098	80	1, volts_30, amps_5, KORAD_QUIRK_LABPS_OVP_EN},
c55adfa1	81	{"Velleman", "PS3005D", "VELLEMANPS3005DV2.0",
c7275098	82	1, volts_30, amps_5, 0},
9e9dba7b	83	ALL_ZERO
d7083042 HV	84	};
d7083042 HV	85
e75ee7de HV	86	static GSList scan(struct sr_dev_driver di, GSList *options)
e75ee7de HV	87	{
fcacf532 GS	88	static const char *serno_prefix = " SN:";
fcacf532 GS	89
d7083042	90	struct dev_context *devc;
43376f33	91	GSList *l;
d7083042 HV	92	struct sr_dev_inst *sdi;
	93	struct sr_config *src;
	94	const char conn, serialcomm;
e37e301e	95	const char *force_detect;
d7083042	96	struct sr_serial_dev_inst *serial;
5255f856	97	size_t i;
d7083042	98	char reply[50];
5255f856 GS	99	int ret;
5255f856 GS	100	const struct korad_kaxxxxp_model *model;
fcacf532 GS	101	size_t len;
fcacf532 GS	102	char *serno;
e75ee7de	103
d7083042 HV	104	conn = NULL;
d7083042 HV	105	serialcomm = NULL;
e37e301e	106	force_detect = NULL;
e75ee7de	107
d7083042 HV	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;
e37e301e GS	117	case SR_CONF_FORCE_DETECT:
	118	force_detect = g_variant_get_string(src->data, NULL);
	119	break;
d7083042 HV	120	default:
	121	sr_err("Unknown option %d, skipping.", src->key);
	122	break;
	123	}
	124	}
	125
	126	if (!conn)
	127	return NULL;
	128	if (!serialcomm)
	129	serialcomm = "9600/8n1";
e37e301e GS	130	if (force_detect && !*force_detect)
e37e301e GS	131	force_detect = NULL;
d7083042 HV	132
	133	serial = sr_serial_dev_inst_new(conn, serialcomm);
	134	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	135	return NULL;
	136
fcacf532 GS	137	/*
	138	* Prepare a receive buffer for the identification response that
	139	* is large enough to hold the longest known model name, and an
	140	* optional serial number. Communicate the identification request.
	141	*/
d7083042 HV	142	len = 0;
d7083042 HV	143	for (i = 0; models[i].id; i++) {
fcacf532	144	if (len < strlen(models[i].id))
d7083042 HV	145	len = strlen(models[i].id);
d7083042 HV	146	}
fcacf532 GS	147	len += strlen(serno_prefix) + 12;
	148	if (len > sizeof(reply) - 1)
	149	len = sizeof(reply) - 1;
	150	sr_dbg("Want max %zu bytes.", len);
cf6beeb2	151
fcacf532 GS	152	ret = korad_kaxxxxp_send_cmd(serial, "*IDN?");
fcacf532 GS	153	if (ret < 0)
d7083042 HV	154	return NULL;
d7083042 HV	155
fcacf532 GS	156	ret = korad_kaxxxxp_read_chars(serial, len, reply);
fcacf532 GS	157	if (ret < 0)
d7083042	158	return NULL;
fcacf532	159	sr_dbg("Received: %d, %s", ret, reply);
cf6beeb2	160
fcacf532 GS	161	/*
	162	* Isolate the optional serial number at the response's end.
	163	* Lookup the response's model ID in the list of known models.
	164	*/
	165	serno = g_strrstr(reply, serno_prefix);
	166	if (serno) {
	167	*serno = '\0';
	168	serno += strlen(serno_prefix);
	169	}
cf6beeb2	170
5255f856	171	model = NULL;
d7083042	172	for (i = 0; models[i].id; i++) {
fcacf532 GS	173	if (g_strcmp0(models[i].id, reply) != 0)
fcacf532 GS	174	continue;
5255f856	175	model = &models[i];
fcacf532	176	break;
d7083042	177	}
5255f856	178	if (!model && force_detect) {
e37e301e GS	179	sr_warn("Found model ID '%s' is unknown, trying '%s' spec.",
	180	reply, force_detect);
	181	for (i = 0; models[i].id; i++) {
	182	if (strcmp(models[i].id, force_detect) != 0)
	183	continue;
	184	sr_info("Found replacement, using it instead.");
5255f856	185	model = &models[i];
e37e301e GS	186	break;
	187	}
	188	}
5255f856	189	if (!model) {
d7083042 HV	190	sr_err("Unknown model ID '%s' detected, aborting.", reply);
	191	return NULL;
	192	}
5255f856 GS	193	sr_dbg("Found: %s %s (idx %zu, ID '%s').", model->vendor, model->name,
5255f856 GS	194	model - &models[0], model->id);
d7083042	195
d7083042 HV	196	sdi = g_malloc0(sizeof(struct sr_dev_inst));
d7083042 HV	197	sdi->status = SR_ST_INACTIVE;
5255f856 GS	198	sdi->vendor = g_strdup(model->vendor);
5255f856 GS	199	sdi->model = g_strdup(model->name);
fcacf532 GS	200	if (serno)
fcacf532 GS	201	sdi->serial_num = g_strdup(serno);
d7083042 HV	202	sdi->inst_type = SR_INST_SERIAL;
d7083042 HV	203	sdi->conn = serial;
048250d0	204	sdi->connection_id = g_strdup(conn);
d7083042	205
23165d7b FS	206	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V");
23165d7b FS	207	sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "I");
d7083042 HV	208
d7083042 HV	209	devc = g_malloc0(sizeof(struct dev_context));
597deef9	210	sr_sw_limits_init(&devc->limits);
3f9b48ae	211	g_mutex_init(&devc->rw_mutex);
5255f856	212	devc->model = model;
d7083042	213	devc->req_sent_at = 0;
2e129b8b FS	214	devc->cc_mode_1_changed = FALSE;
	215	devc->cc_mode_2_changed = FALSE;
	216	devc->output_enabled_changed = FALSE;
	217	devc->ocp_enabled_changed = FALSE;
	218	devc->ovp_enabled_changed = FALSE;
d7083042 HV	219	sdi->priv = devc;
	220
	221	/* Get current status of device. */
16fc7ee2	222	if (korad_kaxxxxp_get_all_values(serial, devc) < 0)
d7083042	223	goto exit_err;
d7083042 HV	224
d7083042 HV	225	serial_close(serial);
e75ee7de	226
43376f33	227	return std_scan_complete(di, g_slist_append(NULL, sdi));
d7083042 HV	228
	229	exit_err:
	230	sr_dev_inst_free(sdi);
	231	g_free(devc);
	232	sr_dbg("Scan failed.");
	233
	234	return NULL;
e75ee7de HV	235	}
e75ee7de HV	236
e75ee7de HV	237	static int config_get(uint32_t key, GVariant **data,
	238	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	239	{
d7083042	240	struct dev_context *devc;
e75ee7de	241
e75ee7de HV	242	(void)cg;
e75ee7de HV	243
d7083042 HV	244	if (!sdi \|\| !data)
	245	return SR_ERR_ARG;
	246
	247	devc = sdi->priv;
	248
e75ee7de	249	switch (key) {
cd04f641 UH	250	case SR_CONF_LIMIT_SAMPLES:
cd04f641 UH	251	case SR_CONF_LIMIT_MSEC:
597deef9	252	return sr_sw_limits_config_get(&devc->limits, key, data);
048250d0 GS	253	case SR_CONF_CONN:
	254	*data = g_variant_new_string(sdi->connection_id);
	255	break;
d7083042	256	case SR_CONF_VOLTAGE:
3f9b48ae	257	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_VOLTAGE, devc);
d7083042 HV	258	*data = g_variant_new_double(devc->voltage);
	259	break;
	260	case SR_CONF_VOLTAGE_TARGET:
8da30037 FS	261	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_VOLTAGE_TARGET, devc);
8da30037 FS	262	*data = g_variant_new_double(devc->voltage_target);
d7083042 HV	263	break;
d7083042 HV	264	case SR_CONF_CURRENT:
3f9b48ae	265	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_CURRENT, devc);
d7083042 HV	266	*data = g_variant_new_double(devc->current);
	267	break;
	268	case SR_CONF_CURRENT_LIMIT:
8da30037 FS	269	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_CURRENT_LIMIT, devc);
8da30037 FS	270	*data = g_variant_new_double(devc->current_limit);
d7083042 HV	271	break;
d7083042 HV	272	case SR_CONF_ENABLED:
3f9b48ae	273	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OUTPUT, devc);
d7083042 HV	274	*data = g_variant_new_boolean(devc->output_enabled);
d7083042 HV	275	break;
b16d975a HV	276	case SR_CONF_REGULATION:
b16d975a HV	277	/* Dual channel not supported. */
3f9b48ae	278	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_STATUS, devc);
9e5366df	279	*data = g_variant_new_string((devc->cc_mode[0]) ? "CC" : "CV");
b16d975a	280	break;
c40ed60f	281	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
3f9b48ae	282	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OCP, devc);
9e5366df	283	*data = g_variant_new_boolean(devc->ocp_enabled);
c40ed60f HV	284	break;
c40ed60f HV	285	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
3f9b48ae	286	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OVP, devc);
9e5366df	287	*data = g_variant_new_boolean(devc->ovp_enabled);
c40ed60f	288	break;
e75ee7de HV	289	default:
	290	return SR_ERR_NA;
	291	}
	292
d7083042	293	return SR_OK;
e75ee7de HV	294	}
	295
	296	static int config_set(uint32_t key, GVariant *data,
	297	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	298	{
d7083042 HV	299	struct dev_context *devc;
	300	double dval;
	301	gboolean bval;
e75ee7de	302
e75ee7de HV	303	(void)cg;
e75ee7de HV	304
d7083042 HV	305	devc = sdi->priv;
d7083042 HV	306
e75ee7de	307	switch (key) {
d7083042	308	case SR_CONF_LIMIT_MSEC:
d7083042	309	case SR_CONF_LIMIT_SAMPLES:
597deef9	310	return sr_sw_limits_config_set(&devc->limits, key, data);
d7083042 HV	311	case SR_CONF_VOLTAGE_TARGET:
	312	dval = g_variant_get_double(data);
	313	if (dval < devc->model->voltage[0] \|\| dval > devc->model->voltage[1])
	314	return SR_ERR_ARG;
8da30037 FS	315	devc->set_voltage_target = dval;
8da30037 FS	316	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_VOLTAGE_TARGET, devc) < 0)
d7083042 HV	317	return SR_ERR;
	318	break;
	319	case SR_CONF_CURRENT_LIMIT:
	320	dval = g_variant_get_double(data);
	321	if (dval < devc->model->current[0] \|\| dval > devc->model->current[1])
	322	return SR_ERR_ARG;
8da30037 FS	323	devc->set_current_limit = dval;
8da30037 FS	324	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_CURRENT_LIMIT, devc) < 0)
d7083042 HV	325	return SR_ERR;
	326	break;
	327	case SR_CONF_ENABLED:
	328	bval = g_variant_get_boolean(data);
	329	/* Set always so it is possible turn off with sigrok-cli. */
8da30037	330	devc->set_output_enabled = bval;
3f9b48ae	331	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OUTPUT, devc) < 0)
d7083042	332	return SR_ERR;
c40ed60f HV	333	break;
	334	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
	335	bval = g_variant_get_boolean(data);
8da30037	336	devc->set_ocp_enabled = bval;
3f9b48ae	337	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OCP, devc) < 0)
c40ed60f HV	338	return SR_ERR;
	339	break;
	340	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
	341	bval = g_variant_get_boolean(data);
8da30037	342	devc->set_ovp_enabled = bval;
3f9b48ae	343	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OVP, devc) < 0)
c40ed60f	344	return SR_ERR;
d7083042	345	break;
e75ee7de	346	default:
d7083042	347	return SR_ERR_NA;
e75ee7de HV	348	}
e75ee7de HV	349
d7083042	350	return SR_OK;
e75ee7de HV	351	}
	352
	353	static int config_list(uint32_t key, GVariant **data,
	354	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	355	{
d7083042	356	struct dev_context *devc;
d7083042	357
e66d1892	358	devc = (sdi) ? sdi->priv : NULL;
d7083042	359
e75ee7de	360	switch (key) {
e66d1892	361	case SR_CONF_SCAN_OPTIONS:
d7083042	362	case SR_CONF_DEVICE_OPTIONS:
e66d1892	363	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
d7083042	364	case SR_CONF_VOLTAGE_TARGET:
fc69eecc GS	365	if (!devc \|\| !devc->model)
fc69eecc GS	366	return SR_ERR_ARG;
54d471f4	367	*data = std_gvar_min_max_step_array(devc->model->voltage);
d7083042 HV	368	break;
d7083042 HV	369	case SR_CONF_CURRENT_LIMIT:
fc69eecc GS	370	if (!devc \|\| !devc->model)
fc69eecc GS	371	return SR_ERR_ARG;
54d471f4	372	*data = std_gvar_min_max_step_array(devc->model->current);
d7083042	373	break;
e75ee7de HV	374	default:
	375	return SR_ERR_NA;
	376	}
	377
d7083042	378	return SR_OK;
e75ee7de HV	379	}
e75ee7de HV	380
3f9b48ae FS	381	static int dev_close(struct sr_dev_inst *sdi)
	382	{
	383	struct dev_context *devc;
	384
	385	devc = (sdi) ? sdi->priv : NULL;
	386	if (devc)
	387	g_mutex_clear(&devc->rw_mutex);
	388
	389	return std_serial_dev_close(sdi);
	390	}
	391
695dc859	392	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
e75ee7de	393	{
d7083042 HV	394	struct dev_context *devc;
d7083042 HV	395	struct sr_serial_dev_inst *serial;
e75ee7de	396
d7083042	397	devc = sdi->priv;
d7083042	398
597deef9	399	sr_sw_limits_acquisition_start(&devc->limits);
bee2b016	400	std_session_send_df_header(sdi);
d7083042	401
d7083042 HV	402	devc->req_sent_at = 0;
	403	serial = sdi->conn;
	404	serial_source_add(sdi->session, serial, G_IO_IN,
16fc7ee2 UH	405	KAXXXXP_POLL_INTERVAL_MS,
16fc7ee2 UH	406	korad_kaxxxxp_receive_data, (void *)sdi);
e75ee7de HV	407
	408	return SR_OK;
	409	}
	410
dd5c48a6	411	static struct sr_dev_driver korad_kaxxxxp_driver_info = {
16fc7ee2 UH	412	.name = "korad-kaxxxxp",
16fc7ee2 UH	413	.longname = "Korad KAxxxxP",
e75ee7de	414	.api_version = 1,
c2fdcc25	415	.init = std_init,
700d6b64	416	.cleanup = std_cleanup,
e75ee7de	417	.scan = scan,
c01bf34c	418	.dev_list = std_dev_list,
f778bf02	419	.dev_clear = std_dev_clear,
e75ee7de HV	420	.config_get = config_get,
	421	.config_set = config_set,
	422	.config_list = config_list,
d7083042	423	.dev_open = std_serial_dev_open,
3f9b48ae	424	.dev_close = dev_close,
e75ee7de	425	.dev_acquisition_start = dev_acquisition_start,
4b1a9d5d	426	.dev_acquisition_stop = std_serial_dev_acquisition_stop,
e75ee7de HV	427	.context = NULL,
e75ee7de HV	428	};
dd5c48a6	429	SR_REGISTER_DEV_DRIVER(korad_kaxxxxp_driver_info);