[libsigrok.git] / src / hardware / maynuo-m97 / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2015 Aurelien Jacobs <aurel@gnuage.org>
 *
 * 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_MODBUSADDR,
};

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

static const uint32_t devopts[] = {
	SR_CONF_CONTINUOUS,
	SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
};

static const uint32_t devopts_cg[] = {
	SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_REGULATION | SR_CONF_GET,
	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_OVER_VOLTAGE_PROTECTION_ENABLED | SR_CONF_GET,
	SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE | SR_CONF_GET,
	SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_OVER_CURRENT_PROTECTION_ENABLED | SR_CONF_GET,
	SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE | SR_CONF_GET,
	SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_OVER_TEMPERATURE_PROTECTION | SR_CONF_GET,
	SR_CONF_OVER_TEMPERATURE_PROTECTION_ACTIVE | SR_CONF_GET,
};

/*
 * The IDs in this list are only guessed and needs to be verified
 * against some real hardware. If at least a few of them matches,
 * it will probably be safe to enable the others.
 */
static const struct maynuo_m97_model supported_models[] = {
//	{  53, "M9711"     ,   30, 150,    150 },
//	{  54, "M9712"     ,   30, 150,    300 },
//	{  55, "M9712C"    ,   60, 150,    300 },
//	{  56, "M9713"     ,  120, 150,    600 },
//	{  57, "M9712B"    ,   15, 500,    300 },
//	{  58, "M9713B"    ,   30, 500,    600 },
//	{  59, "M9714"     ,  240, 150,   1200 },
//	{  60, "M9714B"    ,   60, 500,   1200 },
//	{  61, "M9715"     ,  240, 150,   1800 },
//	{  62, "M9715B"    ,  120, 500,   1800 },
//	{  63, "M9716"     ,  240, 150,   2400 },
//	{  64, "M9716B"    ,  120, 500,   2400 },
//	{  65, "M9717C"    ,  480, 150,   3600 },
//	{  66, "M9717"     ,  240, 150,   3600 },
//	{  67, "M9717B"    ,  120, 500,   3600 },
//	{  68, "M9718"     ,  240, 150,   6000 },
//	{  69, "M9718B"    ,  120, 500,   6000 },
//	{  70, "M9718D"    ,  240, 500,   6000 },
//	{  71, "M9836"     ,  500, 150,  20000 },
//	{  72, "M9836B"    ,  240, 500,  20000 },
//	{  73, "M9838B"    ,  240, 500,  50000 },
//	{  74, "M9839B"    ,  240, 500, 100000 },
//	{  75, "M9840B"    ,  500, 500, 200000 },
//	{  76, "M9840"     , 1500, 150, 200000 },
//	{  77, "M9712B30"  ,   30, 500,    300 },
//	{  78, "M9718E"    ,  120, 600,   6000 },
//	{  79, "M9718F"    ,  480, 150,   6000 },
//	{  80, "M9716E"    ,  480, 150,   3000 },
//	{  81, "M9710"     ,   30, 150,    150 },
//	{  82, "M9834"     ,  500, 150,  10000 },
//	{  83, "M9835"     ,  500, 150,  15000 },
//	{  84, "M9835B"    ,  240, 500,  15000 },
//	{  85, "M9837"     ,  500, 150,  35000 },
//	{  86, "M9837B"    ,  240, 500,  35000 },
//	{  87, "M9838"     ,  500, 150,  50000 },
//	{  88, "M9839"     ,  500, 150, 100000 },
//	{  89, "M9835C"    , 1000, 150,  15000 }, /* ?? */
//	{  90, "M9836C"    , 1000, 150,  20000 }, /* ?? */
//	{  91, "M9718F-300",  480, 300,   6000 }, /* ?? */
//	{  92, "M9836F"    , 1000, 150,  20000 }, /* ?? */
//	{  93, "M9836E"    ,  240, 600,  20000 }, /* ?? */
//	{  94, "M9717D"    ,  240, 500,   3600 }, /* ?? */
//	{  95, "M9836B-720",  240, 720,  20000 }, /* ?? */
//	{  96, "M9834H"    ,  500, 150,  10000 }, /* ?? */
//	{  97, "M9836H"    ,  500, 150,  20000 }, /* ?? */
//	{  98, "M9718F-500",  480, 500,   6000 }, /* ?? */
//	{  99, "M9834B"    ,  240, 500,  10000 }, /* ?? */
//	{ 100, "M9811"     ,   30, 150,    200 },
	{ 101, "M9812"     ,   30, 150,    300 },
//	{ 102, "M9812B"    ,   15, 500,    300 },
};

static struct sr_dev_driver maynuo_m97_driver_info;

static struct sr_dev_inst *probe_device(struct sr_modbus_dev_inst *modbus)
{
	const struct maynuo_m97_model *model = NULL;
	struct dev_context *devc;
	struct sr_dev_inst *sdi;
	struct sr_channel_group *cg;
	struct sr_channel *ch;
	uint16_t id, version;
	unsigned int i;

	int ret = maynuo_m97_get_model_version(modbus, &id, &version);
	if (ret != SR_OK)
		return NULL;
	for (i = 0; i < ARRAY_SIZE(supported_models); i++)
		if (id == supported_models[i].id) {
			model = &supported_models[i];
			break;
		}
	if (model == NULL) {
		sr_err("Unknown model: %d.", id);
		return NULL;
	}

	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	sdi->status = SR_ST_INACTIVE;
	sdi->vendor = g_strdup("Maynuo");
	sdi->model = g_strdup(model->name);
	sdi->version = g_strdup_printf("v%d.%d", version/10, version%10);
	sdi->conn = modbus;
	sdi->driver = &maynuo_m97_driver_info;
	sdi->inst_type = SR_INST_MODBUS;

	cg = g_malloc0(sizeof(struct sr_channel_group));
	cg->name = g_strdup("1");
	sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);

	ch = sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V1");
	cg->channels = g_slist_append(cg->channels, ch);

	ch = sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "I1");
	cg->channels = g_slist_append(cg->channels, ch);

	devc = g_malloc0(sizeof(struct dev_context));
	devc->model = model;

	sdi->priv = devc;

	return sdi;
}

static int config_compare(gconstpointer a, gconstpointer b)
{
	const struct sr_config *ac = a, *bc = b;
	return ac->key != bc->key;
}

static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
	struct sr_config default_serialcomm = {
		.key = SR_CONF_SERIALCOMM,
		.data = g_variant_new_string("9600/8n1"),
	};
	struct sr_config default_modbusaddr = {
		.key = SR_CONF_MODBUSADDR,
		.data = g_variant_new_uint64(1),
	};
	GSList *opts = options, *devices;

	if (!g_slist_find_custom(options, &default_serialcomm, config_compare))
		opts = g_slist_prepend(opts, &default_serialcomm);
	if (!g_slist_find_custom(options, &default_modbusaddr, config_compare))
		opts = g_slist_prepend(opts, &default_modbusaddr);

	devices = sr_modbus_scan(di->context, opts, probe_device);

	while (opts != options)
		opts = g_slist_delete_link(opts, opts);
	g_variant_unref(default_serialcomm.data);
	g_variant_unref(default_modbusaddr.data);

	return devices;
}

static int dev_open(struct sr_dev_inst *sdi)
{
	struct sr_modbus_dev_inst *modbus = sdi->conn;

	if (sr_modbus_open(modbus) < 0)
		return SR_ERR;

	maynuo_m97_set_bit(modbus, PC1, 1);

	return SR_OK;
}

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

	modbus = sdi->conn;

	if (!modbus)
		return SR_ERR_BUG;

	devc = sdi->priv;

	if (devc->expecting_registers) {
		/* Wait for the last data that was requested from the device. */
		uint16_t registers[devc->expecting_registers];
		sr_modbus_read_holding_registers(modbus, -1,
			devc->expecting_registers, registers);
	}

	maynuo_m97_set_bit(modbus, PC1, 0);

	return sr_modbus_close(modbus);
}

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;
	struct sr_modbus_dev_inst *modbus;
	enum maynuo_m97_mode mode;
	int ret, ivalue;
	float fvalue;

	(void)cg;

	modbus = sdi->conn;
	devc = sdi->priv;

	ret = SR_OK;
	switch (key) {
	case SR_CONF_LIMIT_SAMPLES:
	case SR_CONF_LIMIT_MSEC:
		ret = sr_sw_limits_config_get(&devc->limits, key, data);
		break;
	case SR_CONF_ENABLED:
		if ((ret = maynuo_m97_get_bit(modbus, ISTATE, &ivalue)) == SR_OK)
			*data = g_variant_new_boolean(ivalue);
		break;
	case SR_CONF_REGULATION:
		if ((ret = maynuo_m97_get_bit(modbus, UNREG, &ivalue)) != SR_OK)
			break;
		if (ivalue)
			*data = g_variant_new_string("UR");
		else if ((ret = maynuo_m97_get_mode(modbus, &mode)) == SR_OK)
			*data = g_variant_new_string(maynuo_m97_mode_to_str(mode));
		break;
	case SR_CONF_VOLTAGE:
		if ((ret = maynuo_m97_get_float(modbus, U, &fvalue)) == SR_OK)
			*data = g_variant_new_double(fvalue);
		break;
	case SR_CONF_VOLTAGE_TARGET:
		if ((ret = maynuo_m97_get_float(modbus, UFIX, &fvalue)) == SR_OK)
			*data = g_variant_new_double(fvalue);
		break;
	case SR_CONF_CURRENT:
		if ((ret = maynuo_m97_get_float(modbus, I, &fvalue)) == SR_OK)
			*data = g_variant_new_double(fvalue);
		break;
	case SR_CONF_CURRENT_LIMIT:
		if ((ret = maynuo_m97_get_float(modbus, IFIX, &fvalue)) == SR_OK)
			*data = g_variant_new_double(fvalue);
		break;
	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
		*data = g_variant_new_boolean(TRUE);
		break;
	case SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE:
		if ((ret = maynuo_m97_get_bit(modbus, UOVER, &ivalue)) == SR_OK)
			*data = g_variant_new_boolean(ivalue);
		break;
	case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
		if ((ret = maynuo_m97_get_float(modbus, UMAX, &fvalue)) == SR_OK)
			*data = g_variant_new_double(fvalue);
		break;
	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
		*data = g_variant_new_boolean(TRUE);
		break;
	case SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE:
		if ((ret = maynuo_m97_get_bit(modbus, IOVER, &ivalue)) == SR_OK)
			*data = g_variant_new_boolean(ivalue);
		break;
	case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
		if ((ret = maynuo_m97_get_float(modbus, IMAX, &fvalue)) == SR_OK)
			*data = g_variant_new_double(fvalue);
		break;
	case SR_CONF_OVER_TEMPERATURE_PROTECTION:
		*data = g_variant_new_boolean(TRUE);
		break;
	case SR_CONF_OVER_TEMPERATURE_PROTECTION_ACTIVE:
		if ((ret = maynuo_m97_get_bit(modbus, HEAT, &ivalue)) == SR_OK)
			*data = g_variant_new_boolean(ivalue);
		break;
	default:
		return SR_ERR_NA;
	}

	return ret;
}

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;
	struct sr_modbus_dev_inst *modbus;

	(void)cg;

	modbus = sdi->conn;
	devc = sdi->priv;

	switch (key) {
	case SR_CONF_LIMIT_SAMPLES:
	case SR_CONF_LIMIT_MSEC:
		return sr_sw_limits_config_set(&devc->limits, key, data);
	case SR_CONF_ENABLED:
		return maynuo_m97_set_input(modbus, g_variant_get_boolean(data));
	case SR_CONF_VOLTAGE_TARGET:
		return maynuo_m97_set_float(modbus, UFIX, g_variant_get_double(data));
	case SR_CONF_CURRENT_LIMIT:
		return maynuo_m97_set_float(modbus, IFIX, g_variant_get_double(data));
	case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
		return maynuo_m97_set_float(modbus, UMAX, g_variant_get_double(data));
	case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
		return maynuo_m97_set_float(modbus, IMAX, g_variant_get_double(data));
	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;

	if (!cg) {
		return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
	} else {
		switch (key) {
		case SR_CONF_DEVICE_OPTIONS:
			*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg));
			break;
		case SR_CONF_VOLTAGE_TARGET:
			if (!devc || !devc->model)
				return SR_ERR_ARG;
			*data = std_gvar_min_max_step(0.0, devc->model->max_voltage, 0.001);
			break;
		case SR_CONF_CURRENT_LIMIT:
			if (!devc || !devc->model)
				return SR_ERR_ARG;
			*data = std_gvar_min_max_step(0.0, devc->model->max_current, 0.0001);
			break;
		default:
			return SR_ERR_NA;
		}
	}

	return SR_OK;
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
	struct dev_context *devc;
	struct sr_modbus_dev_inst *modbus;
	int ret;

	modbus = sdi->conn;
	devc = sdi->priv;

	if ((ret = sr_modbus_source_add(sdi->session, modbus, G_IO_IN, 10,
			maynuo_m97_receive_data, (void *)sdi)) != SR_OK)
		return ret;

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

	return maynuo_m97_capture_start(sdi);
}

static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
	struct sr_modbus_dev_inst *modbus;

	std_session_send_df_end(sdi);

	modbus = sdi->conn;
	sr_modbus_source_remove(sdi->session, modbus);

	return SR_OK;
}

static struct sr_dev_driver maynuo_m97_driver_info = {
	.name = "maynuo-m97",
	.longname = "maynuo M97/M98 series",
	.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 = dev_open,
	.dev_close = dev_close,
	.dev_acquisition_start = dev_acquisition_start,
	.dev_acquisition_stop = dev_acquisition_stop,
	.context = NULL,
};
SR_REGISTER_DEV_DRIVER(maynuo_m97_driver_info);
Commit	Line	Data
	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2015 Aurelien Jacobs <aurel@gnuage.org>
	5	*
	6	* This program is free software: you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation, either version 3 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	18	*/
	19
	20	#include <config.h>
	21	#include "protocol.h"
	22
	23	static const uint32_t scanopts[] = {
	24	SR_CONF_CONN,
	25	SR_CONF_SERIALCOMM,
	26	SR_CONF_MODBUSADDR,
	27	};
	28
	29	static const uint32_t drvopts[] = {
	30	SR_CONF_ELECTRONIC_LOAD,
	31	};
	32
	33	static const uint32_t devopts[] = {
	34	SR_CONF_CONTINUOUS,
	35	SR_CONF_LIMIT_SAMPLES \| SR_CONF_GET \| SR_CONF_SET,
	36	SR_CONF_LIMIT_MSEC \| SR_CONF_GET \| SR_CONF_SET,
	37	};
	38
	39	static const uint32_t devopts_cg[] = {
	40	SR_CONF_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
	41	SR_CONF_REGULATION \| SR_CONF_GET,
	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_OVER_VOLTAGE_PROTECTION_ENABLED \| SR_CONF_GET,
	47	SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE \| SR_CONF_GET,
	48	SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD \| SR_CONF_GET \| SR_CONF_SET,
	49	SR_CONF_OVER_CURRENT_PROTECTION_ENABLED \| SR_CONF_GET,
	50	SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE \| SR_CONF_GET,
	51	SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD \| SR_CONF_GET \| SR_CONF_SET,
	52	SR_CONF_OVER_TEMPERATURE_PROTECTION \| SR_CONF_GET,
	53	SR_CONF_OVER_TEMPERATURE_PROTECTION_ACTIVE \| SR_CONF_GET,
	54	};
	55
	56	/*
	57	* The IDs in this list are only guessed and needs to be verified
	58	* against some real hardware. If at least a few of them matches,
	59	* it will probably be safe to enable the others.
	60	*/
	61	static const struct maynuo_m97_model supported_models[] = {
	62	// { 53, "M9711" , 30, 150, 150 },
	63	// { 54, "M9712" , 30, 150, 300 },
	64	// { 55, "M9712C" , 60, 150, 300 },
	65	// { 56, "M9713" , 120, 150, 600 },
	66	// { 57, "M9712B" , 15, 500, 300 },
	67	// { 58, "M9713B" , 30, 500, 600 },
	68	// { 59, "M9714" , 240, 150, 1200 },
	69	// { 60, "M9714B" , 60, 500, 1200 },
	70	// { 61, "M9715" , 240, 150, 1800 },
	71	// { 62, "M9715B" , 120, 500, 1800 },
	72	// { 63, "M9716" , 240, 150, 2400 },
	73	// { 64, "M9716B" , 120, 500, 2400 },
	74	// { 65, "M9717C" , 480, 150, 3600 },
	75	// { 66, "M9717" , 240, 150, 3600 },
	76	// { 67, "M9717B" , 120, 500, 3600 },
	77	// { 68, "M9718" , 240, 150, 6000 },
	78	// { 69, "M9718B" , 120, 500, 6000 },
	79	// { 70, "M9718D" , 240, 500, 6000 },
	80	// { 71, "M9836" , 500, 150, 20000 },
	81	// { 72, "M9836B" , 240, 500, 20000 },
	82	// { 73, "M9838B" , 240, 500, 50000 },
	83	// { 74, "M9839B" , 240, 500, 100000 },
	84	// { 75, "M9840B" , 500, 500, 200000 },
	85	// { 76, "M9840" , 1500, 150, 200000 },
	86	// { 77, "M9712B30" , 30, 500, 300 },
	87	// { 78, "M9718E" , 120, 600, 6000 },
	88	// { 79, "M9718F" , 480, 150, 6000 },
	89	// { 80, "M9716E" , 480, 150, 3000 },
	90	// { 81, "M9710" , 30, 150, 150 },
	91	// { 82, "M9834" , 500, 150, 10000 },
	92	// { 83, "M9835" , 500, 150, 15000 },
	93	// { 84, "M9835B" , 240, 500, 15000 },
	94	// { 85, "M9837" , 500, 150, 35000 },
	95	// { 86, "M9837B" , 240, 500, 35000 },
	96	// { 87, "M9838" , 500, 150, 50000 },
	97	// { 88, "M9839" , 500, 150, 100000 },
	98	// { 89, "M9835C" , 1000, 150, 15000 }, /* ?? */
	99	// { 90, "M9836C" , 1000, 150, 20000 }, /* ?? */
	100	// { 91, "M9718F-300", 480, 300, 6000 }, /* ?? */
	101	// { 92, "M9836F" , 1000, 150, 20000 }, /* ?? */
	102	// { 93, "M9836E" , 240, 600, 20000 }, /* ?? */
	103	// { 94, "M9717D" , 240, 500, 3600 }, /* ?? */
	104	// { 95, "M9836B-720", 240, 720, 20000 }, /* ?? */
	105	// { 96, "M9834H" , 500, 150, 10000 }, /* ?? */
	106	// { 97, "M9836H" , 500, 150, 20000 }, /* ?? */
	107	// { 98, "M9718F-500", 480, 500, 6000 }, /* ?? */
	108	// { 99, "M9834B" , 240, 500, 10000 }, /* ?? */
	109	// { 100, "M9811" , 30, 150, 200 },
	110	{ 101, "M9812" , 30, 150, 300 },
	111	// { 102, "M9812B" , 15, 500, 300 },
	112	};
	113
	114	static struct sr_dev_driver maynuo_m97_driver_info;
	115
	116	static struct sr_dev_inst probe_device(struct sr_modbus_dev_inst modbus)
	117	{
	118	const struct maynuo_m97_model *model = NULL;
	119	struct dev_context *devc;
	120	struct sr_dev_inst *sdi;
	121	struct sr_channel_group *cg;
	122	struct sr_channel *ch;
	123	uint16_t id, version;
	124	unsigned int i;
	125
	126	int ret = maynuo_m97_get_model_version(modbus, &id, &version);
	127	if (ret != SR_OK)
	128	return NULL;
	129	for (i = 0; i < ARRAY_SIZE(supported_models); i++)
	130	if (id == supported_models[i].id) {
	131	model = &supported_models[i];
	132	break;
	133	}
	134	if (model == NULL) {
	135	sr_err("Unknown model: %d.", id);
	136	return NULL;
	137	}
	138
	139	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	140	sdi->status = SR_ST_INACTIVE;
	141	sdi->vendor = g_strdup("Maynuo");
	142	sdi->model = g_strdup(model->name);
	143	sdi->version = g_strdup_printf("v%d.%d", version/10, version%10);
	144	sdi->conn = modbus;
	145	sdi->driver = &maynuo_m97_driver_info;
	146	sdi->inst_type = SR_INST_MODBUS;
	147
	148	cg = g_malloc0(sizeof(struct sr_channel_group));
	149	cg->name = g_strdup("1");
	150	sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
	151
	152	ch = sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V1");
	153	cg->channels = g_slist_append(cg->channels, ch);
	154
	155	ch = sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "I1");
	156	cg->channels = g_slist_append(cg->channels, ch);
	157
	158	devc = g_malloc0(sizeof(struct dev_context));
	159	devc->model = model;
	160
	161	sdi->priv = devc;
	162
	163	return sdi;
	164	}
	165
	166	static int config_compare(gconstpointer a, gconstpointer b)
	167	{
	168	const struct sr_config ac = a, bc = b;
	169	return ac->key != bc->key;
	170	}
	171
	172	static GSList scan(struct sr_dev_driver di, GSList *options)
	173	{
	174	struct sr_config default_serialcomm = {
	175	.key = SR_CONF_SERIALCOMM,
	176	.data = g_variant_new_string("9600/8n1"),
	177	};
	178	struct sr_config default_modbusaddr = {
	179	.key = SR_CONF_MODBUSADDR,
	180	.data = g_variant_new_uint64(1),
	181	};
	182	GSList opts = options, devices;
	183
	184	if (!g_slist_find_custom(options, &default_serialcomm, config_compare))
	185	opts = g_slist_prepend(opts, &default_serialcomm);
	186	if (!g_slist_find_custom(options, &default_modbusaddr, config_compare))
	187	opts = g_slist_prepend(opts, &default_modbusaddr);
	188
	189	devices = sr_modbus_scan(di->context, opts, probe_device);
	190
	191	while (opts != options)
	192	opts = g_slist_delete_link(opts, opts);
	193	g_variant_unref(default_serialcomm.data);
	194	g_variant_unref(default_modbusaddr.data);
	195
	196	return devices;
	197	}
	198
	199	static int dev_open(struct sr_dev_inst *sdi)
	200	{
	201	struct sr_modbus_dev_inst *modbus = sdi->conn;
	202
	203	if (sr_modbus_open(modbus) < 0)
	204	return SR_ERR;
	205
	206	maynuo_m97_set_bit(modbus, PC1, 1);
	207
	208	return SR_OK;
	209	}
	210
	211	static int dev_close(struct sr_dev_inst *sdi)
	212	{
	213	struct dev_context *devc;
	214	struct sr_modbus_dev_inst *modbus;
	215
	216	modbus = sdi->conn;
	217
	218	if (!modbus)
	219	return SR_ERR_BUG;
	220
	221	devc = sdi->priv;
	222
	223	if (devc->expecting_registers) {
	224	/* Wait for the last data that was requested from the device. */
	225	uint16_t registers[devc->expecting_registers];
	226	sr_modbus_read_holding_registers(modbus, -1,
	227	devc->expecting_registers, registers);
	228	}
	229
	230	maynuo_m97_set_bit(modbus, PC1, 0);
	231
	232	return sr_modbus_close(modbus);
	233	}
	234
	235	static int config_get(uint32_t key, GVariant **data,
	236	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	237	{
	238	struct dev_context *devc;
	239	struct sr_modbus_dev_inst *modbus;
	240	enum maynuo_m97_mode mode;
	241	int ret, ivalue;
	242	float fvalue;
	243
	244	(void)cg;
	245
	246	modbus = sdi->conn;
	247	devc = sdi->priv;
	248
	249	ret = SR_OK;
	250	switch (key) {
	251	case SR_CONF_LIMIT_SAMPLES:
	252	case SR_CONF_LIMIT_MSEC:
	253	ret = sr_sw_limits_config_get(&devc->limits, key, data);
	254	break;
	255	case SR_CONF_ENABLED:
	256	if ((ret = maynuo_m97_get_bit(modbus, ISTATE, &ivalue)) == SR_OK)
	257	*data = g_variant_new_boolean(ivalue);
	258	break;
	259	case SR_CONF_REGULATION:
	260	if ((ret = maynuo_m97_get_bit(modbus, UNREG, &ivalue)) != SR_OK)
	261	break;
	262	if (ivalue)
	263	*data = g_variant_new_string("UR");
	264	else if ((ret = maynuo_m97_get_mode(modbus, &mode)) == SR_OK)
	265	*data = g_variant_new_string(maynuo_m97_mode_to_str(mode));
	266	break;
	267	case SR_CONF_VOLTAGE:
	268	if ((ret = maynuo_m97_get_float(modbus, U, &fvalue)) == SR_OK)
	269	*data = g_variant_new_double(fvalue);
	270	break;
	271	case SR_CONF_VOLTAGE_TARGET:
	272	if ((ret = maynuo_m97_get_float(modbus, UFIX, &fvalue)) == SR_OK)
	273	*data = g_variant_new_double(fvalue);
	274	break;
	275	case SR_CONF_CURRENT:
	276	if ((ret = maynuo_m97_get_float(modbus, I, &fvalue)) == SR_OK)
	277	*data = g_variant_new_double(fvalue);
	278	break;
	279	case SR_CONF_CURRENT_LIMIT:
	280	if ((ret = maynuo_m97_get_float(modbus, IFIX, &fvalue)) == SR_OK)
	281	*data = g_variant_new_double(fvalue);
	282	break;
	283	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
	284	*data = g_variant_new_boolean(TRUE);
	285	break;
	286	case SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE:
	287	if ((ret = maynuo_m97_get_bit(modbus, UOVER, &ivalue)) == SR_OK)
	288	*data = g_variant_new_boolean(ivalue);
	289	break;
	290	case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
	291	if ((ret = maynuo_m97_get_float(modbus, UMAX, &fvalue)) == SR_OK)
	292	*data = g_variant_new_double(fvalue);
	293	break;
	294	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
	295	*data = g_variant_new_boolean(TRUE);
	296	break;
	297	case SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE:
	298	if ((ret = maynuo_m97_get_bit(modbus, IOVER, &ivalue)) == SR_OK)
	299	*data = g_variant_new_boolean(ivalue);
	300	break;
	301	case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
	302	if ((ret = maynuo_m97_get_float(modbus, IMAX, &fvalue)) == SR_OK)
	303	*data = g_variant_new_double(fvalue);
	304	break;
	305	case SR_CONF_OVER_TEMPERATURE_PROTECTION:
	306	*data = g_variant_new_boolean(TRUE);
	307	break;
	308	case SR_CONF_OVER_TEMPERATURE_PROTECTION_ACTIVE:
	309	if ((ret = maynuo_m97_get_bit(modbus, HEAT, &ivalue)) == SR_OK)
	310	*data = g_variant_new_boolean(ivalue);
	311	break;
	312	default:
	313	return SR_ERR_NA;
	314	}
	315
	316	return ret;
	317	}
	318
	319	static int config_set(uint32_t key, GVariant *data,
	320	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	321	{
	322	struct dev_context *devc;
	323	struct sr_modbus_dev_inst *modbus;
	324
	325	(void)cg;
	326
	327	modbus = sdi->conn;
	328	devc = sdi->priv;
	329
	330	switch (key) {
	331	case SR_CONF_LIMIT_SAMPLES:
	332	case SR_CONF_LIMIT_MSEC:
	333	return sr_sw_limits_config_set(&devc->limits, key, data);
	334	case SR_CONF_ENABLED:
	335	return maynuo_m97_set_input(modbus, g_variant_get_boolean(data));
	336	case SR_CONF_VOLTAGE_TARGET:
	337	return maynuo_m97_set_float(modbus, UFIX, g_variant_get_double(data));
	338	case SR_CONF_CURRENT_LIMIT:
	339	return maynuo_m97_set_float(modbus, IFIX, g_variant_get_double(data));
	340	case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
	341	return maynuo_m97_set_float(modbus, UMAX, g_variant_get_double(data));
	342	case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
	343	return maynuo_m97_set_float(modbus, IMAX, g_variant_get_double(data));
	344	default:
	345	return SR_ERR_NA;
	346	}
	347
	348	return SR_OK;
	349	}
	350
	351	static int config_list(uint32_t key, GVariant **data,
	352	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	353	{
	354	struct dev_context *devc;
	355
	356	devc = (sdi) ? sdi->priv : NULL;
	357
	358	if (!cg) {
	359	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
	360	} else {
	361	switch (key) {
	362	case SR_CONF_DEVICE_OPTIONS:
	363	*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg));
	364	break;
	365	case SR_CONF_VOLTAGE_TARGET:
	366	if (!devc \|\| !devc->model)
	367	return SR_ERR_ARG;
	368	*data = std_gvar_min_max_step(0.0, devc->model->max_voltage, 0.001);
	369	break;
	370	case SR_CONF_CURRENT_LIMIT:
	371	if (!devc \|\| !devc->model)
	372	return SR_ERR_ARG;
	373	*data = std_gvar_min_max_step(0.0, devc->model->max_current, 0.0001);
	374	break;
	375	default:
	376	return SR_ERR_NA;
	377	}
	378	}
	379
	380	return SR_OK;
	381	}
	382
	383	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	384	{
	385	struct dev_context *devc;
	386	struct sr_modbus_dev_inst *modbus;
	387	int ret;
	388
	389	modbus = sdi->conn;
	390	devc = sdi->priv;
	391
	392	if ((ret = sr_modbus_source_add(sdi->session, modbus, G_IO_IN, 10,
	393	maynuo_m97_receive_data, (void *)sdi)) != SR_OK)
	394	return ret;
	395
	396	sr_sw_limits_acquisition_start(&devc->limits);
	397	std_session_send_df_header(sdi);
	398
	399	return maynuo_m97_capture_start(sdi);
	400	}
	401
	402	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
	403	{
	404	struct sr_modbus_dev_inst *modbus;
	405
	406	std_session_send_df_end(sdi);
	407
	408	modbus = sdi->conn;
	409	sr_modbus_source_remove(sdi->session, modbus);
	410
	411	return SR_OK;
	412	}
	413
	414	static struct sr_dev_driver maynuo_m97_driver_info = {
	415	.name = "maynuo-m97",
	416	.longname = "maynuo M97/M98 series",
	417	.api_version = 1,
	418	.init = std_init,
	419	.cleanup = std_cleanup,
	420	.scan = scan,
	421	.dev_list = std_dev_list,
	422	.dev_clear = std_dev_clear,
	423	.config_get = config_get,
	424	.config_set = config_set,
	425	.config_list = config_list,
	426	.dev_open = dev_open,
	427	.dev_close = dev_close,
	428	.dev_acquisition_start = dev_acquisition_start,
	429	.dev_acquisition_stop = dev_acquisition_stop,
	430	.context = NULL,
	431	};
	432	SR_REGISTER_DEV_DRIVER(maynuo_m97_driver_info);