/*************************************************************************
 * Copyright (C) 2019 by Justin Byers
 * 
 * This file is part of clubdance_v2.
 *
 * clubdance_v2 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.
 *
 * clubdance_v2 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 clubdance_v2.  If not, see <https://www.gnu.org/licenses/>.
 *************************************************************************/
/**
 * @file padhal.h
 * @author Justin Byers
 * @date 6 Aug 2019
 * @brief Simple abstraction layer to read the physical pad sensors.
 */
#ifndef PADHAL_H
#define	PADHAL_H

/**
 * Initialize IO for reading the pad sensors.
 */
void PADHAL_Initialize(void);

/**
 * Get the current state of all pad sensors.
 * @return the pad states, as the first 6 bits in a uint8_t.
 */
uint8_t PADHAL_GetButtons(void);

#endif	/* PADHAL_H */