[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,
};

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}},
	{KORAD_KD3005P_V21_NOSP, "Korad", "KD3005P",
		"KORADKD3005PV2.1", 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)
{
	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;
	char reply[50];
	int ret, i, model_id;
	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_id = -1;
	for (i = 0; models[i].id; i++) {
		if (g_strcmp0(models[i].id, reply) != 0)
			continue;
		model_id = i;
		break;
	}
	if (model_id < 0 && 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_id = i;
			break;
		}
	}
	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);
	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 = &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	SR_CONF_FORCE_DETECT,
	28	};
	29
	30	static const uint32_t drvopts[] = {
	31	SR_CONF_POWER_SUPPLY,
	32	};
	33
	34	static const uint32_t devopts[] = {
	35	SR_CONF_CONN \| SR_CONF_GET,
	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,
	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,
	44	SR_CONF_REGULATION \| SR_CONF_GET,
	45	SR_CONF_OVER_CURRENT_PROTECTION_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
	46	SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
	47	};
	48
	49	static const struct korad_kaxxxxp_model models[] = {
	50	/* Device enum, vendor, model, ID reply, channels, voltage, current */
	51	{VELLEMAN_PS3005D, "Velleman", "PS3005D",
	52	"VELLEMANPS3005DV2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	53	{VELLEMAN_LABPS3005D, "Velleman", "LABPS3005D",
	54	"VELLEMANLABPS3005DV2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	55	{KORAD_KA3005P, "Korad", "KA3005P",
	56	"KORADKA3005PV2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	57	/* Sometimes the KA3005P has an extra 0x01 after the ID. */
	58	{KORAD_KA3005P_0X01, "Korad", "KA3005P",
	59	"KORADKA3005PV2.0\x01", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	60	/* Sometimes the KA3005P has an extra 0xBC after the ID. */
	61	{KORAD_KA3005P_0XBC, "Korad", "KA3005P",
	62	"KORADKA3005PV2.0\xBC", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	63	{KORAD_KA3005P_V42, "Korad", "KA3005P",
	64	"KORAD KA3005P V4.2", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	65	{KORAD_KA3005P_V55, "Korad", "KA3005P",
	66	"KORAD KA3005P V5.5", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	67	{KORAD_KD3005P, "Korad", "KD3005P",
	68	"KORAD KD3005P V2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	69	{KORAD_KD3005P_V20_NOSP, "Korad", "KD3005P",
	70	"KORADKD3005PV2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	71	{KORAD_KD3005P_V21_NOSP, "Korad", "KD3005P",
	72	"KORADKD3005PV2.1", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	73	{RND_320_KD3005P, "RND", "KD3005P",
	74	"RND 320-KD3005P V4.2", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	75	{RND_320_KA3005P, "RND", "KA3005P",
	76	"RND 320-KA3005P V5.5", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	77	{RND_320K30PV, "RND", "KA3005P",
	78	"RND 320-KA3005P V2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	79	{TENMA_72_2550_V2, "Tenma", "72-2550",
	80	"TENMA72-2550V2.0", 1, {0, 61, 0.01}, {0, 3.1, 0.001}},
	81	{TENMA_72_2540_V20, "Tenma", "72-2540",
	82	"TENMA72-2540V2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	83	{TENMA_72_2540_V21, "Tenma", "72-2540",
	84	"TENMA 72-2540 V2.1", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	85	{TENMA_72_2540_V52, "Tenma", "72-2540",
	86	"TENMA 72-2540 V5.2", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	87	{TENMA_72_2535_V21, "Tenma", "72-2535",
	88	"TENMA 72-2535 V2.1", 1, {0, 31, 0.01}, {0, 3.1, 0.001}},
	89	{STAMOS_SLS31_V20, "Stamos Soldering", "S-LS-31",
	90	"S-LS-31 V2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
	91	{KORAD_KD6005P, "Korad", "KD6005P",
	92	"KORAD KD6005P V2.2", 1, {0, 61, 0.01}, {0, 5.1, 0.001}},
	93	ALL_ZERO
	94	};
	95
	96	static GSList scan(struct sr_dev_driver di, GSList *options)
	97	{
	98	static const char *serno_prefix = " SN:";
	99
	100	struct dev_context *devc;
	101	GSList *l;
	102	struct sr_dev_inst *sdi;
	103	struct sr_config *src;
	104	const char conn, serialcomm;
	105	const char *force_detect;
	106	struct sr_serial_dev_inst *serial;
	107	char reply[50];
	108	int ret, i, model_id;
	109	size_t len;
	110	char *serno;
	111
	112	conn = NULL;
	113	serialcomm = NULL;
	114	force_detect = NULL;
	115
	116	for (l = options; l; l = l->next) {
	117	src = l->data;
	118	switch (src->key) {
	119	case SR_CONF_CONN:
	120	conn = g_variant_get_string(src->data, NULL);
	121	break;
	122	case SR_CONF_SERIALCOMM:
	123	serialcomm = g_variant_get_string(src->data, NULL);
	124	break;
	125	case SR_CONF_FORCE_DETECT:
	126	force_detect = g_variant_get_string(src->data, NULL);
	127	break;
	128	default:
	129	sr_err("Unknown option %d, skipping.", src->key);
	130	break;
	131	}
	132	}
	133
	134	if (!conn)
	135	return NULL;
	136	if (!serialcomm)
	137	serialcomm = "9600/8n1";
	138	if (force_detect && !*force_detect)
	139	force_detect = NULL;
	140
	141	serial = sr_serial_dev_inst_new(conn, serialcomm);
	142	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	143	return NULL;
	144
	145	/*
	146	* Prepare a receive buffer for the identification response that
	147	* is large enough to hold the longest known model name, and an
	148	* optional serial number. Communicate the identification request.
	149	*/
	150	len = 0;
	151	for (i = 0; models[i].id; i++) {
	152	if (len < strlen(models[i].id))
	153	len = strlen(models[i].id);
	154	}
	155	len += strlen(serno_prefix) + 12;
	156	if (len > sizeof(reply) - 1)
	157	len = sizeof(reply) - 1;
	158	sr_dbg("Want max %zu bytes.", len);
	159
	160	ret = korad_kaxxxxp_send_cmd(serial, "*IDN?");
	161	if (ret < 0)
	162	return NULL;
	163
	164	ret = korad_kaxxxxp_read_chars(serial, len, reply);
	165	if (ret < 0)
	166	return NULL;
	167	sr_dbg("Received: %d, %s", ret, reply);
	168
	169	/*
	170	* Isolate the optional serial number at the response's end.
	171	* Lookup the response's model ID in the list of known models.
	172	*/
	173	serno = g_strrstr(reply, serno_prefix);
	174	if (serno) {
	175	*serno = '\0';
	176	serno += strlen(serno_prefix);
	177	}
	178
	179	model_id = -1;
	180	for (i = 0; models[i].id; i++) {
	181	if (g_strcmp0(models[i].id, reply) != 0)
	182	continue;
	183	model_id = i;
	184	break;
	185	}
	186	if (model_id < 0 && force_detect) {
	187	sr_warn("Found model ID '%s' is unknown, trying '%s' spec.",
	188	reply, force_detect);
	189	for (i = 0; models[i].id; i++) {
	190	if (strcmp(models[i].id, force_detect) != 0)
	191	continue;
	192	sr_info("Found replacement, using it instead.");
	193	model_id = i;
	194	break;
	195	}
	196	}
	197	if (model_id < 0) {
	198	sr_err("Unknown model ID '%s' detected, aborting.", reply);
	199	return NULL;
	200	}
	201	sr_dbg("Found: %s %s (idx %d, ID '%s').", models[model_id].vendor,
	202	models[model_id].name, model_id, models[model_id].id);
	203
	204	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	205	sdi->status = SR_ST_INACTIVE;
	206	sdi->vendor = g_strdup(models[model_id].vendor);
	207	sdi->model = g_strdup(models[model_id].name);
	208	if (serno)
	209	sdi->serial_num = g_strdup(serno);
	210	sdi->inst_type = SR_INST_SERIAL;
	211	sdi->conn = serial;
	212	sdi->connection_id = g_strdup(conn);
	213
	214	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V");
	215	sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "I");
	216
	217	devc = g_malloc0(sizeof(struct dev_context));
	218	sr_sw_limits_init(&devc->limits);
	219	g_mutex_init(&devc->rw_mutex);
	220	devc->model = &models[model_id];
	221	devc->req_sent_at = 0;
	222	devc->cc_mode_1_changed = FALSE;
	223	devc->cc_mode_2_changed = FALSE;
	224	devc->output_enabled_changed = FALSE;
	225	devc->ocp_enabled_changed = FALSE;
	226	devc->ovp_enabled_changed = FALSE;
	227	sdi->priv = devc;
	228
	229	/* Get current status of device. */
	230	if (korad_kaxxxxp_get_all_values(serial, devc) < 0)
	231	goto exit_err;
	232
	233	serial_close(serial);
	234
	235	return std_scan_complete(di, g_slist_append(NULL, sdi));
	236
	237	exit_err:
	238	sr_dev_inst_free(sdi);
	239	g_free(devc);
	240	sr_dbg("Scan failed.");
	241
	242	return NULL;
	243	}
	244
	245	static int config_get(uint32_t key, GVariant **data,
	246	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	247	{
	248	struct dev_context *devc;
	249
	250	(void)cg;
	251
	252	if (!sdi \|\| !data)
	253	return SR_ERR_ARG;
	254
	255	devc = sdi->priv;
	256
	257	switch (key) {
	258	case SR_CONF_LIMIT_SAMPLES:
	259	case SR_CONF_LIMIT_MSEC:
	260	return sr_sw_limits_config_get(&devc->limits, key, data);
	261	case SR_CONF_CONN:
	262	*data = g_variant_new_string(sdi->connection_id);
	263	break;
	264	case SR_CONF_VOLTAGE:
	265	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_VOLTAGE, devc);
	266	*data = g_variant_new_double(devc->voltage);
	267	break;
	268	case SR_CONF_VOLTAGE_TARGET:
	269	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_VOLTAGE_TARGET, devc);
	270	*data = g_variant_new_double(devc->voltage_target);
	271	break;
	272	case SR_CONF_CURRENT:
	273	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_CURRENT, devc);
	274	*data = g_variant_new_double(devc->current);
	275	break;
	276	case SR_CONF_CURRENT_LIMIT:
	277	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_CURRENT_LIMIT, devc);
	278	*data = g_variant_new_double(devc->current_limit);
	279	break;
	280	case SR_CONF_ENABLED:
	281	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OUTPUT, devc);
	282	*data = g_variant_new_boolean(devc->output_enabled);
	283	break;
	284	case SR_CONF_REGULATION:
	285	/* Dual channel not supported. */
	286	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_STATUS, devc);
	287	*data = g_variant_new_string((devc->cc_mode[0]) ? "CC" : "CV");
	288	break;
	289	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
	290	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OCP, devc);
	291	*data = g_variant_new_boolean(devc->ocp_enabled);
	292	break;
	293	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
	294	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OVP, devc);
	295	*data = g_variant_new_boolean(devc->ovp_enabled);
	296	break;
	297	default:
	298	return SR_ERR_NA;
	299	}
	300
	301	return SR_OK;
	302	}
	303
	304	static int config_set(uint32_t key, GVariant *data,
	305	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	306	{
	307	struct dev_context *devc;
	308	double dval;
	309	gboolean bval;
	310
	311	(void)cg;
	312
	313	devc = sdi->priv;
	314
	315	switch (key) {
	316	case SR_CONF_LIMIT_MSEC:
	317	case SR_CONF_LIMIT_SAMPLES:
	318	return sr_sw_limits_config_set(&devc->limits, key, data);
	319	case SR_CONF_VOLTAGE_TARGET:
	320	dval = g_variant_get_double(data);
	321	if (dval < devc->model->voltage[0] \|\| dval > devc->model->voltage[1])
	322	return SR_ERR_ARG;
	323	devc->set_voltage_target = dval;
	324	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_VOLTAGE_TARGET, devc) < 0)
	325	return SR_ERR;
	326	break;
	327	case SR_CONF_CURRENT_LIMIT:
	328	dval = g_variant_get_double(data);
	329	if (dval < devc->model->current[0] \|\| dval > devc->model->current[1])
	330	return SR_ERR_ARG;
	331	devc->set_current_limit = dval;
	332	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_CURRENT_LIMIT, devc) < 0)
	333	return SR_ERR;
	334	break;
	335	case SR_CONF_ENABLED:
	336	bval = g_variant_get_boolean(data);
	337	/* Set always so it is possible turn off with sigrok-cli. */
	338	devc->set_output_enabled = bval;
	339	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OUTPUT, devc) < 0)
	340	return SR_ERR;
	341	break;
	342	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
	343	bval = g_variant_get_boolean(data);
	344	devc->set_ocp_enabled = bval;
	345	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OCP, devc) < 0)
	346	return SR_ERR;
	347	break;
	348	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
	349	bval = g_variant_get_boolean(data);
	350	devc->set_ovp_enabled = bval;
	351	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OVP, devc) < 0)
	352	return SR_ERR;
	353	break;
	354	default:
	355	return SR_ERR_NA;
	356	}
	357
	358	return SR_OK;
	359	}
	360
	361	static int config_list(uint32_t key, GVariant **data,
	362	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	363	{
	364	struct dev_context *devc;
	365
	366	devc = (sdi) ? sdi->priv : NULL;
	367
	368	switch (key) {
	369	case SR_CONF_SCAN_OPTIONS:
	370	case SR_CONF_DEVICE_OPTIONS:
	371	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
	372	case SR_CONF_VOLTAGE_TARGET:
	373	if (!devc \|\| !devc->model)
	374	return SR_ERR_ARG;
	375	*data = std_gvar_min_max_step_array(devc->model->voltage);
	376	break;
	377	case SR_CONF_CURRENT_LIMIT:
	378	if (!devc \|\| !devc->model)
	379	return SR_ERR_ARG;
	380	*data = std_gvar_min_max_step_array(devc->model->current);
	381	break;
	382	default:
	383	return SR_ERR_NA;
	384	}
	385
	386	return SR_OK;
	387	}
	388
	389	static int dev_close(struct sr_dev_inst *sdi)
	390	{
	391	struct dev_context *devc;
	392
	393	devc = (sdi) ? sdi->priv : NULL;
	394	if (devc)
	395	g_mutex_clear(&devc->rw_mutex);
	396
	397	return std_serial_dev_close(sdi);
	398	}
	399
	400	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	401	{
	402	struct dev_context *devc;
	403	struct sr_serial_dev_inst *serial;
	404
	405	devc = sdi->priv;
	406
	407	sr_sw_limits_acquisition_start(&devc->limits);
	408	std_session_send_df_header(sdi);
	409
	410	devc->req_sent_at = 0;
	411	serial = sdi->conn;
	412	serial_source_add(sdi->session, serial, G_IO_IN,
	413	KAXXXXP_POLL_INTERVAL_MS,
	414	korad_kaxxxxp_receive_data, (void *)sdi);
	415
	416	return SR_OK;
	417	}
	418
	419	static struct sr_dev_driver korad_kaxxxxp_driver_info = {
	420	.name = "korad-kaxxxxp",
	421	.longname = "Korad KAxxxxP",
	422	.api_version = 1,
	423	.init = std_init,
	424	.cleanup = std_cleanup,
	425	.scan = scan,
	426	.dev_list = std_dev_list,
	427	.dev_clear = std_dev_clear,
	428	.config_get = config_get,
	429	.config_set = config_set,
	430	.config_list = config_list,
	431	.dev_open = std_serial_dev_open,
	432	.dev_close = dev_close,
	433	.dev_acquisition_start = dev_acquisition_start,
	434	.dev_acquisition_stop = std_serial_dev_acquisition_stop,
	435	.context = NULL,
	436	};
	437	SR_REGISTER_DEV_DRIVER(korad_kaxxxxp_driver_info);