[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 <ctype.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, KORAD_QUIRK_ID_TRAILING},
	/* 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, KORAD_QUIRK_ID_NO_VENDOR},
	{"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
};

/*
 * Bump this when adding new models[] above. Make sure the text buffer
 * for the ID response can hold the longest sequence that we expect in
 * the field which consists of: vendor + model [ + version ][ + serno ].
 * Don't be too generous here, the maximum receive buffer size affects
 * the timeout within which the first response character is expected.
 */
static const size_t id_text_buffer_size = 48;

/*
 * Check whether the device's "*IDN?" response matches a supported model.
 * The caller already stripped off the optional serial number.
 */
static gboolean model_matches(const struct korad_kaxxxxp_model *model,
	const char *id_text)
{
	gboolean matches;
	gboolean skip_vendor, accept_trail;
	const char *want;

	if (!model)
		return FALSE;

	/*
	 * When the models[] entry contains a specific response text,
	 * then expect to see this very text in literal form. This
	 * lets the driver map weird and untypical responses to a
	 * specific set of display texts for vendor and model names.
	 */
	if (model->id && model->id[0]) {
		matches = g_strcmp0(model->id, id_text) == 0;
		if (matches)
			sr_dbg("Matches expected ID text: '%s'.", model->id);
		return matches;
	}

	/*
	 * A more generic approach which covers most devices: Check
	 * for the very vendor and model names which also are shown
	 * to users (the display texts). Weakened to match responses
	 * more widely: Case insensitive checks, optional whitespace
	 * in responses, optional version details. Optional trailing
	 * garbage. Optional omission of the vendor name. Shall match
	 * all the devices which were individually listed in earlier
	 * implementations of the driver, and shall also match firmware
	 * versions that were not listed before.
	 */
	skip_vendor = model->quirks & KORAD_QUIRK_ID_NO_VENDOR;
	accept_trail = model->quirks & KORAD_QUIRK_ID_TRAILING;
	if (!skip_vendor) {
		want = model->vendor;
		matches = g_ascii_strncasecmp(id_text, want, strlen(want)) == 0;
		if (!matches)
			return FALSE;
		id_text += strlen(want);
		while (isspace((int)*id_text))
			id_text++;
	}
	want = model->name;
	matches = g_ascii_strncasecmp(id_text, want, strlen(want)) == 0;
	if (!matches)
		return FALSE;
	id_text += strlen(want);
	while (isspace((int)*id_text))
		id_text++;
	if (*id_text == 'V') {
		/* TODO Isolate and (also) return version details? */
		id_text++;
		while (*id_text == '.' || isdigit((int)*id_text))
			id_text++;
		while (isspace((int)*id_text))
			id_text++;
	}
	if (accept_trail) {
		/*
		 * TODO Determine how many non-printables to accept here
		 * and how strict to check for "known" garbage variants.
		 */
		switch (*id_text) {
		case '\x01':
		case '\xbc':
			id_text++;
			break;
		case '\x00':
			/* EMPTY */
			break;
		default:
			return FALSE;
		}
	}
	if (*id_text)
		return FALSE;
	sr_dbg("Matches generic '[vendor] model [vers] [trail]' pattern.");
	return TRUE;
}

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;

	/* Communicate the identification request. */
	len = id_text_buffer_size;
	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].name; i++) {
		if (!model_matches(&models[i], reply))
			continue;
		model = &models[i];
		break;
	}
	if (!model && force_detect) {
		sr_warn("Found unknown model ID '%s', trying '%s' spec.",
			reply, force_detect);
		for (i = 0; models[i].name; i++) {
			if (!model_matches(&models[i], force_detect))
				continue;
			sr_info("Found replacement, using it instead.");
			model = &models[i];
			break;
		}
	}
	if (!model) {
		sr_err("Found unknown model ID '%s', aborting.", reply);
		return NULL;
	}
	sr_dbg("Found: %s %s (idx %zu).", model->vendor, model->name,
		model - &models[0]);

	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>
349803b6 GS	22
	23	#include <ctype.h>
	24
e75ee7de HV	25	#include "protocol.h"
e75ee7de HV	26
d7083042 HV	27	static const uint32_t scanopts[] = {
	28	SR_CONF_CONN,
	29	SR_CONF_SERIALCOMM,
e37e301e	30	SR_CONF_FORCE_DETECT,
d7083042 HV	31	};
d7083042 HV	32
55fb76b3	33	static const uint32_t drvopts[] = {
55fb76b3 UH	34	SR_CONF_POWER_SUPPLY,
	35	};
	36
d7083042	37	static const uint32_t devopts[] = {
048250d0	38	SR_CONF_CONN \| SR_CONF_GET,
d7083042 HV	39	SR_CONF_CONTINUOUS,
	40	SR_CONF_LIMIT_SAMPLES \| SR_CONF_GET \| SR_CONF_SET,
	41	SR_CONF_LIMIT_MSEC \| SR_CONF_GET \| SR_CONF_SET,
d7083042 HV	42	SR_CONF_VOLTAGE \| SR_CONF_GET,
	43	SR_CONF_VOLTAGE_TARGET \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	44	SR_CONF_CURRENT \| SR_CONF_GET,
	45	SR_CONF_CURRENT_LIMIT \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	46	SR_CONF_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
b16d975a	47	SR_CONF_REGULATION \| SR_CONF_GET,
c40ed60f HV	48	SR_CONF_OVER_CURRENT_PROTECTION_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
c40ed60f HV	49	SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
d7083042 HV	50	};
d7083042 HV	51
ecd4600b GS	52	/* Voltage and current ranges. Values are: Min, max, step. */
	53	static const double volts_30[] = { 0, 31, 0.01, };
	54	static const double volts_60[] = { 0, 61, 0.01, };
	55	static const double amps_3[] = { 0, 3.1, 0.001, };
	56	static const double amps_5[] = { 0, 5.1, 0.001, };
	57
16fc7ee2	58	static const struct korad_kaxxxxp_model models[] = {
c55adfa1	59	/* Vendor, model name, ID reply, channels, voltage, current, quirks. */
551024f2 GS	60	{"Korad", "KA3005P", "KORADKA3005PV2.0",
551024f2 GS	61	1, volts_30, amps_5, KORAD_QUIRK_ID_TRAILING},
942afb5a GS	62	/* Some KA3005P have extra bytes after the ID text. */
	63	{"Korad", "KA3005P", "KORADKA3005PV2.0\x01", 1, volts_30, amps_5, 0},
	64	{"Korad", "KA3005P", "KORADKA3005PV2.0\xBC", 1, volts_30, amps_5, 0},
	65	{"Korad", "KA3005P", "KORAD KA3005P V4.2", 1, volts_30, amps_5, 0},
	66	{"Korad", "KA3005P", "KORAD KA3005P V5.5", 1, volts_30, amps_5, 0},
	67	{"Korad", "KD3005P", "KORAD KD3005P V2.0", 1, volts_30, amps_5, 0},
	68	{"Korad", "KD3005P", "KORADKD3005PV2.0", 1, volts_30, amps_5, 0},
	69	{"Korad", "KD3005P", "KORADKD3005PV2.1", 1, volts_30, amps_5, 0},
	70	{"Korad", "KD3005P", "KORAD KD3005P V4.1", 1, volts_30, amps_5, 0},
	71	{"Korad", "KD3005P", "KORAD KD3005P V6.8", 1, volts_30, amps_5, 0},
	72	{"Korad", "KD6005P", "KORAD KD6005P V2.2", 1, volts_60, amps_5, 0},
	73	{"RND", "KA3005P", "RND 320-KA3005P V5.5", 1, volts_30, amps_5, 0},
	74	{"RND", "KD3005P", "RND 320-KD3005P V4.2", 1, volts_30, amps_5, 0},
	75	{"RND", "KA3005P", "RND 320-KA3005P V2.0", 1, volts_30, amps_5, 0},
551024f2 GS	76	{"Stamos Soldering", "S-LS-31", "S-LS-31 V2.0",
551024f2 GS	77	1, volts_30, amps_5, KORAD_QUIRK_ID_NO_VENDOR},
942afb5a GS	78	{"Tenma", "72-2535", "TENMA 72-2535 V2.1", 1, volts_30, amps_3, 0},
	79	{"Tenma", "72-2540", "TENMA72-2540V2.0", 1, volts_30, amps_5, 0},
	80	{"Tenma", "72-2540", "TENMA 72-2540 V2.1", 1, volts_30, amps_5, 0},
	81	{"Tenma", "72-2540", "TENMA 72-2540 V5.2", 1, volts_30, amps_5, 0},
	82	{"Tenma", "72-2550", "TENMA72-2550V2.0", 1, volts_60, amps_3, 0},
	83	{"Tenma", "72-2710", "TENMA 72-2710 V6.6", 1, volts_30, amps_5, 0},
c55adfa1	84	{"Velleman", "LABPS3005D", "VELLEMANLABPS3005DV2.0",
c7275098	85	1, volts_30, amps_5, KORAD_QUIRK_LABPS_OVP_EN},
c55adfa1	86	{"Velleman", "PS3005D", "VELLEMANPS3005DV2.0",
c7275098	87	1, volts_30, amps_5, 0},
9e9dba7b	88	ALL_ZERO
d7083042 HV	89	};
d7083042 HV	90
551024f2 GS	91	/*
	92	* Bump this when adding new models[] above. Make sure the text buffer
	93	* for the ID response can hold the longest sequence that we expect in
	94	* the field which consists of: vendor + model [ + version ][ + serno ].
	95	* Don't be too generous here, the maximum receive buffer size affects
	96	* the timeout within which the first response character is expected.
	97	*/
	98	static const size_t id_text_buffer_size = 48;
	99
	100	/*
	101	* Check whether the device's "*IDN?" response matches a supported model.
	102	* The caller already stripped off the optional serial number.
	103	*/
	104	static gboolean model_matches(const struct korad_kaxxxxp_model *model,
	105	const char *id_text)
	106	{
349803b6 GS	107	gboolean matches;
	108	gboolean skip_vendor, accept_trail;
	109	const char *want;
	110
	111	if (!model)
	112	return FALSE;
	113
	114	/*
	115	* When the models[] entry contains a specific response text,
	116	* then expect to see this very text in literal form. This
	117	* lets the driver map weird and untypical responses to a
	118	* specific set of display texts for vendor and model names.
	119	*/
	120	if (model->id && model->id[0]) {
	121	matches = g_strcmp0(model->id, id_text) == 0;
	122	if (matches)
	123	sr_dbg("Matches expected ID text: '%s'.", model->id);
	124	return matches;
	125	}
	126
	127	/*
	128	* A more generic approach which covers most devices: Check
	129	* for the very vendor and model names which also are shown
	130	* to users (the display texts). Weakened to match responses
	131	* more widely: Case insensitive checks, optional whitespace
	132	* in responses, optional version details. Optional trailing
	133	* garbage. Optional omission of the vendor name. Shall match
	134	* all the devices which were individually listed in earlier
	135	* implementations of the driver, and shall also match firmware
	136	* versions that were not listed before.
	137	*/
	138	skip_vendor = model->quirks & KORAD_QUIRK_ID_NO_VENDOR;
	139	accept_trail = model->quirks & KORAD_QUIRK_ID_TRAILING;
	140	if (!skip_vendor) {
	141	want = model->vendor;
	142	matches = g_ascii_strncasecmp(id_text, want, strlen(want)) == 0;
	143	if (!matches)
	144	return FALSE;
	145	id_text += strlen(want);
	146	while (isspace((int)*id_text))
	147	id_text++;
	148	}
	149	want = model->name;
	150	matches = g_ascii_strncasecmp(id_text, want, strlen(want)) == 0;
	151	if (!matches)
	152	return FALSE;
	153	id_text += strlen(want);
	154	while (isspace((int)*id_text))
	155	id_text++;
	156	if (*id_text == 'V') {
	157	/* TODO Isolate and (also) return version details? */
	158	id_text++;
	159	while (id_text == '.' \|\| isdigit((int)id_text))
	160	id_text++;
	161	while (isspace((int)*id_text))
	162	id_text++;
	163	}
	164	if (accept_trail) {
	165	/*
	166	* TODO Determine how many non-printables to accept here
	167	* and how strict to check for "known" garbage variants.
	168	*/
	169	switch (*id_text) {
	170	case '\x01':
171	case '\xbc':
172	id_text++;
173	break;
174	case '\x00':
175	/* EMPTY */
176	break;
177	default:
178	return FALSE;
179	}
180	}
181	if (*id_text)
182	return FALSE;
183	sr_dbg("Matches generic '[vendor] model [vers] [trail]' pattern.");
184	return TRUE;
551024f2 GS	185	}
551024f2 GS	186
e75ee7de HV	187	static GSList scan(struct sr_dev_driver di, GSList *options)
e75ee7de HV	188	{
fcacf532 GS	189	static const char *serno_prefix = " SN:";
fcacf532 GS	190
d7083042	191	struct dev_context *devc;
43376f33	192	GSList *l;
d7083042 HV	193	struct sr_dev_inst *sdi;
	194	struct sr_config *src;
	195	const char conn, serialcomm;
e37e301e	196	const char *force_detect;
d7083042	197	struct sr_serial_dev_inst *serial;
5255f856	198	size_t i;
d7083042	199	char reply[50];
5255f856 GS	200	int ret;
5255f856 GS	201	const struct korad_kaxxxxp_model *model;
fcacf532 GS	202	size_t len;
fcacf532 GS	203	char *serno;
e75ee7de	204
d7083042 HV	205	conn = NULL;
d7083042 HV	206	serialcomm = NULL;
e37e301e	207	force_detect = NULL;
e75ee7de	208
d7083042 HV	209	for (l = options; l; l = l->next) {
	210	src = l->data;
	211	switch (src->key) {
	212	case SR_CONF_CONN:
	213	conn = g_variant_get_string(src->data, NULL);
	214	break;
	215	case SR_CONF_SERIALCOMM:
	216	serialcomm = g_variant_get_string(src->data, NULL);
	217	break;
e37e301e GS	218	case SR_CONF_FORCE_DETECT:
	219	force_detect = g_variant_get_string(src->data, NULL);
	220	break;
d7083042 HV	221	default:
	222	sr_err("Unknown option %d, skipping.", src->key);
	223	break;
	224	}
	225	}
	226
	227	if (!conn)
	228	return NULL;
	229	if (!serialcomm)
	230	serialcomm = "9600/8n1";
e37e301e GS	231	if (force_detect && !*force_detect)
e37e301e GS	232	force_detect = NULL;
d7083042 HV	233
	234	serial = sr_serial_dev_inst_new(conn, serialcomm);
	235	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	236	return NULL;
	237
551024f2 GS	238	/* Communicate the identification request. */
551024f2 GS	239	len = id_text_buffer_size;
fcacf532 GS	240	if (len > sizeof(reply) - 1)
	241	len = sizeof(reply) - 1;
	242	sr_dbg("Want max %zu bytes.", len);
cf6beeb2	243
fcacf532 GS	244	ret = korad_kaxxxxp_send_cmd(serial, "*IDN?");
fcacf532 GS	245	if (ret < 0)
d7083042 HV	246	return NULL;
d7083042 HV	247
fcacf532 GS	248	ret = korad_kaxxxxp_read_chars(serial, len, reply);
fcacf532 GS	249	if (ret < 0)
d7083042	250	return NULL;
fcacf532	251	sr_dbg("Received: %d, %s", ret, reply);
cf6beeb2	252
fcacf532 GS	253	/*
	254	* Isolate the optional serial number at the response's end.
	255	* Lookup the response's model ID in the list of known models.
	256	*/
	257	serno = g_strrstr(reply, serno_prefix);
	258	if (serno) {
	259	*serno = '\0';
	260	serno += strlen(serno_prefix);
	261	}
cf6beeb2	262
5255f856	263	model = NULL;
349803b6	264	for (i = 0; models[i].name; i++) {
551024f2	265	if (!model_matches(&models[i], reply))
fcacf532	266	continue;
5255f856	267	model = &models[i];
fcacf532	268	break;
d7083042	269	}
5255f856	270	if (!model && force_detect) {
349803b6	271	sr_warn("Found unknown model ID '%s', trying '%s' spec.",
e37e301e	272	reply, force_detect);
349803b6	273	for (i = 0; models[i].name; i++) {
551024f2	274	if (!model_matches(&models[i], force_detect))
e37e301e GS	275	continue;
e37e301e GS	276	sr_info("Found replacement, using it instead.");
5255f856	277	model = &models[i];
e37e301e GS	278	break;
	279	}
	280	}
5255f856	281	if (!model) {
349803b6	282	sr_err("Found unknown model ID '%s', aborting.", reply);
d7083042 HV	283	return NULL;
d7083042 HV	284	}
349803b6 GS	285	sr_dbg("Found: %s %s (idx %zu).", model->vendor, model->name,
349803b6 GS	286	model - &models[0]);
d7083042	287
d7083042 HV	288	sdi = g_malloc0(sizeof(struct sr_dev_inst));
d7083042 HV	289	sdi->status = SR_ST_INACTIVE;
5255f856 GS	290	sdi->vendor = g_strdup(model->vendor);
5255f856 GS	291	sdi->model = g_strdup(model->name);
fcacf532 GS	292	if (serno)
fcacf532 GS	293	sdi->serial_num = g_strdup(serno);
d7083042 HV	294	sdi->inst_type = SR_INST_SERIAL;
d7083042 HV	295	sdi->conn = serial;
048250d0	296	sdi->connection_id = g_strdup(conn);
d7083042	297
23165d7b FS	298	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V");
23165d7b FS	299	sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "I");
d7083042 HV	300
d7083042 HV	301	devc = g_malloc0(sizeof(struct dev_context));
597deef9	302	sr_sw_limits_init(&devc->limits);
3f9b48ae	303	g_mutex_init(&devc->rw_mutex);
5255f856	304	devc->model = model;
d7083042	305	devc->req_sent_at = 0;
2e129b8b FS	306	devc->cc_mode_1_changed = FALSE;
	307	devc->cc_mode_2_changed = FALSE;
	308	devc->output_enabled_changed = FALSE;
	309	devc->ocp_enabled_changed = FALSE;
	310	devc->ovp_enabled_changed = FALSE;
d7083042 HV	311	sdi->priv = devc;
	312
	313	/* Get current status of device. */
16fc7ee2	314	if (korad_kaxxxxp_get_all_values(serial, devc) < 0)
d7083042	315	goto exit_err;
d7083042 HV	316
d7083042 HV	317	serial_close(serial);
e75ee7de	318
43376f33	319	return std_scan_complete(di, g_slist_append(NULL, sdi));
d7083042 HV	320
	321	exit_err:
	322	sr_dev_inst_free(sdi);
	323	g_free(devc);
	324	sr_dbg("Scan failed.");
	325
	326	return NULL;
e75ee7de HV	327	}
e75ee7de HV	328
e75ee7de HV	329	static int config_get(uint32_t key, GVariant **data,
	330	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	331	{
d7083042	332	struct dev_context *devc;
e75ee7de	333
e75ee7de HV	334	(void)cg;
e75ee7de HV	335
d7083042 HV	336	if (!sdi \|\| !data)
	337	return SR_ERR_ARG;
	338
	339	devc = sdi->priv;
	340
e75ee7de	341	switch (key) {
cd04f641 UH	342	case SR_CONF_LIMIT_SAMPLES:
cd04f641 UH	343	case SR_CONF_LIMIT_MSEC:
597deef9	344	return sr_sw_limits_config_get(&devc->limits, key, data);
048250d0 GS	345	case SR_CONF_CONN:
	346	*data = g_variant_new_string(sdi->connection_id);
	347	break;
d7083042	348	case SR_CONF_VOLTAGE:
3f9b48ae	349	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_VOLTAGE, devc);
d7083042 HV	350	*data = g_variant_new_double(devc->voltage);
	351	break;
	352	case SR_CONF_VOLTAGE_TARGET:
8da30037 FS	353	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_VOLTAGE_TARGET, devc);
8da30037 FS	354	*data = g_variant_new_double(devc->voltage_target);
d7083042 HV	355	break;
d7083042 HV	356	case SR_CONF_CURRENT:
3f9b48ae	357	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_CURRENT, devc);
d7083042 HV	358	*data = g_variant_new_double(devc->current);
	359	break;
	360	case SR_CONF_CURRENT_LIMIT:
8da30037 FS	361	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_CURRENT_LIMIT, devc);
8da30037 FS	362	*data = g_variant_new_double(devc->current_limit);
d7083042 HV	363	break;
d7083042 HV	364	case SR_CONF_ENABLED:
3f9b48ae	365	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OUTPUT, devc);
d7083042 HV	366	*data = g_variant_new_boolean(devc->output_enabled);
d7083042 HV	367	break;
b16d975a HV	368	case SR_CONF_REGULATION:
b16d975a HV	369	/* Dual channel not supported. */
3f9b48ae	370	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_STATUS, devc);
9e5366df	371	*data = g_variant_new_string((devc->cc_mode[0]) ? "CC" : "CV");
b16d975a	372	break;
c40ed60f	373	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
3f9b48ae	374	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OCP, devc);
9e5366df	375	*data = g_variant_new_boolean(devc->ocp_enabled);
c40ed60f HV	376	break;
c40ed60f HV	377	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
3f9b48ae	378	korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OVP, devc);
9e5366df	379	*data = g_variant_new_boolean(devc->ovp_enabled);
c40ed60f	380	break;
e75ee7de HV	381	default:
	382	return SR_ERR_NA;
	383	}
	384
d7083042	385	return SR_OK;
e75ee7de HV	386	}
	387
	388	static int config_set(uint32_t key, GVariant *data,
	389	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	390	{
d7083042 HV	391	struct dev_context *devc;
	392	double dval;
	393	gboolean bval;
e75ee7de	394
e75ee7de HV	395	(void)cg;
e75ee7de HV	396
d7083042 HV	397	devc = sdi->priv;
d7083042 HV	398
e75ee7de	399	switch (key) {
d7083042	400	case SR_CONF_LIMIT_MSEC:
d7083042	401	case SR_CONF_LIMIT_SAMPLES:
597deef9	402	return sr_sw_limits_config_set(&devc->limits, key, data);
d7083042 HV	403	case SR_CONF_VOLTAGE_TARGET:
	404	dval = g_variant_get_double(data);
	405	if (dval < devc->model->voltage[0] \|\| dval > devc->model->voltage[1])
	406	return SR_ERR_ARG;
8da30037 FS	407	devc->set_voltage_target = dval;
8da30037 FS	408	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_VOLTAGE_TARGET, devc) < 0)
d7083042 HV	409	return SR_ERR;
	410	break;
	411	case SR_CONF_CURRENT_LIMIT:
	412	dval = g_variant_get_double(data);
	413	if (dval < devc->model->current[0] \|\| dval > devc->model->current[1])
	414	return SR_ERR_ARG;
8da30037 FS	415	devc->set_current_limit = dval;
8da30037 FS	416	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_CURRENT_LIMIT, devc) < 0)
d7083042 HV	417	return SR_ERR;
	418	break;
	419	case SR_CONF_ENABLED:
	420	bval = g_variant_get_boolean(data);
	421	/* Set always so it is possible turn off with sigrok-cli. */
8da30037	422	devc->set_output_enabled = bval;
3f9b48ae	423	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OUTPUT, devc) < 0)
d7083042	424	return SR_ERR;
c40ed60f HV	425	break;
	426	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
	427	bval = g_variant_get_boolean(data);
8da30037	428	devc->set_ocp_enabled = bval;
3f9b48ae	429	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OCP, devc) < 0)
c40ed60f HV	430	return SR_ERR;
	431	break;
	432	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
	433	bval = g_variant_get_boolean(data);
8da30037	434	devc->set_ovp_enabled = bval;
3f9b48ae	435	if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OVP, devc) < 0)
c40ed60f	436	return SR_ERR;
d7083042	437	break;
e75ee7de	438	default:
d7083042	439	return SR_ERR_NA;
e75ee7de HV	440	}
e75ee7de HV	441
d7083042	442	return SR_OK;
e75ee7de HV	443	}
	444
	445	static int config_list(uint32_t key, GVariant **data,
	446	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	447	{
d7083042	448	struct dev_context *devc;
d7083042	449
e66d1892	450	devc = (sdi) ? sdi->priv : NULL;
d7083042	451
e75ee7de	452	switch (key) {
e66d1892	453	case SR_CONF_SCAN_OPTIONS:
d7083042	454	case SR_CONF_DEVICE_OPTIONS:
e66d1892	455	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
d7083042	456	case SR_CONF_VOLTAGE_TARGET:
fc69eecc GS	457	if (!devc \|\| !devc->model)
fc69eecc GS	458	return SR_ERR_ARG;
54d471f4	459	*data = std_gvar_min_max_step_array(devc->model->voltage);
d7083042 HV	460	break;
d7083042 HV	461	case SR_CONF_CURRENT_LIMIT:
fc69eecc GS	462	if (!devc \|\| !devc->model)
fc69eecc GS	463	return SR_ERR_ARG;
54d471f4	464	*data = std_gvar_min_max_step_array(devc->model->current);
d7083042	465	break;
e75ee7de HV	466	default:
	467	return SR_ERR_NA;
	468	}
	469
d7083042	470	return SR_OK;
e75ee7de HV	471	}
e75ee7de HV	472
3f9b48ae FS	473	static int dev_close(struct sr_dev_inst *sdi)
	474	{
	475	struct dev_context *devc;
	476
	477	devc = (sdi) ? sdi->priv : NULL;
	478	if (devc)
	479	g_mutex_clear(&devc->rw_mutex);
	480
	481	return std_serial_dev_close(sdi);
	482	}
	483
695dc859	484	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
e75ee7de	485	{
d7083042 HV	486	struct dev_context *devc;
d7083042 HV	487	struct sr_serial_dev_inst *serial;
e75ee7de	488
d7083042	489	devc = sdi->priv;
d7083042	490
597deef9	491	sr_sw_limits_acquisition_start(&devc->limits);
bee2b016	492	std_session_send_df_header(sdi);
d7083042	493
d7083042 HV	494	devc->req_sent_at = 0;
	495	serial = sdi->conn;
	496	serial_source_add(sdi->session, serial, G_IO_IN,
16fc7ee2 UH	497	KAXXXXP_POLL_INTERVAL_MS,
16fc7ee2 UH	498	korad_kaxxxxp_receive_data, (void *)sdi);
e75ee7de HV	499
	500	return SR_OK;
	501	}
	502
dd5c48a6	503	static struct sr_dev_driver korad_kaxxxxp_driver_info = {
16fc7ee2 UH	504	.name = "korad-kaxxxxp",
16fc7ee2 UH	505	.longname = "Korad KAxxxxP",
e75ee7de	506	.api_version = 1,
c2fdcc25	507	.init = std_init,
700d6b64	508	.cleanup = std_cleanup,
e75ee7de	509	.scan = scan,
c01bf34c	510	.dev_list = std_dev_list,
f778bf02	511	.dev_clear = std_dev_clear,
e75ee7de HV	512	.config_get = config_get,
	513	.config_set = config_set,
	514	.config_list = config_list,
d7083042	515	.dev_open = std_serial_dev_open,
3f9b48ae	516	.dev_close = dev_close,
e75ee7de	517	.dev_acquisition_start = dev_acquisition_start,
4b1a9d5d	518	.dev_acquisition_stop = std_serial_dev_acquisition_stop,
e75ee7de HV	519	.context = NULL,
e75ee7de HV	520	};
dd5c48a6	521	SR_REGISTER_DEV_DRIVER(korad_kaxxxxp_driver_info);