/*
 * Hot Beverage Companion – desktop application utilities
 *
 * Copyright (C) 2018 Gediminas Jakutis
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; version 2.1
 * of the License.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#ifndef UTIL_H_INCLUDED
#define UTIL_H_INCLUDED

#include "datatypes.h"

#define arrsize(a) (sizeof(a)/sizeof(*a))

enum response {
	ERROR = -1,
	A_OK = 0, /* would be "OK", but clashes with some lib definitions */
	NONEWDATA,
	DEAD,
	NO_ESPTOOL,
	TMPFILE,
};

struct tempmodule_state {
	union {
		struct {
			unsigned int sequence;
			short int temperature_raw;
			short int resistance;
			short int voltage_raw;
		};

		struct size {
			unsigned int ui;
			short int si[3];
		} size;

		char rawdata[sizeof(struct size)];
	};
	float temperature;
	float voltage;
};

int refresh_data(int nd, struct tempmodule_state *state);
int write_settings(char *imagename, const struct configuration * const conf);

#endif /* UTIL_H_INCLUDED */