/*
 * Copyright (C) 2014 Freie Universität Berlin, Hinnerk van Bruinehsen
 *               2016 Laurent Navet <laurent.navet@gmail.com>
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */

/**
 * @ingroup     boards_arduino-common
 * @{
 *
 * @file
 * @brief       Peripheral MCU configuration for the arduino Uno and
 * @brief       Dumilanove boards.
 *
 * @author      Hinnerk van Bruinehsen <h.v.bruinehsen@fu-berlin.de>
 * @author      Laurent Navet <laurent.navet@gmail.com>
 */

#ifndef PERIPH_CONF_H_
#define PERIPH_CONF_H_

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @brief   Clock configuration
 * @{
 */
#define CLOCK_CORECLOCK     (16000000L)
/** @} */

/**
 * @brief   Timer configuration
 *
 * The timer driver only supports the 16-bit timer (Timer1)
 * so this is the only one we can use here.
 *
 * @{
 */
#define TIMER_NUMOF         (2U)

#define TIMER_0             MEGA_TIMER1
#define TIMER_0_MASK        &TIMSK1
#define TIMER_0_FLAG        &TIFR1
#define TIMER_0_ISRA        TIMER1_COMPA_vect
#define TIMER_0_ISRB        TIMER1_COMPB_vect
/** @} */

/**
 * @brief   UART configuration
 *
 * Uno has only one UART, look in atmega_common
 * This is where magic happens
 *
 * @{
 */
#define UART_NUMOF          (1U)

#define UART_0              MEGA_UART0
#define UART_0_ISR          USART_RX_vect
/** @} */

/**
 * @brief SPI configuration
 *
 * The atmega2560 has only one hardware SPI with fixed pin configuration, so all
 * we can do here, is to enable or disable it...
 *
 * The fixed pins used, are:
 * MOSI - PB3 (Arduino pin 11)
 * MISO - PB4 (Arduino pin 12)
 * SCK  - PB5 (Arduino pin 13)
 * SS   - PB2 (Arduino pin 10) -> this pin is configured as output, but not used
 *
 * @{
 */
#define SPI_NUMOF           1           /* set to 0 to disable SPI */
#define SPI_0_EN            1           /* remove once SPI rework is done */
#define MEGA_PRR            PRR         /* Power Reduction Register is PRR */
/** @} */

#ifdef __cplusplus
}
#endif

#endif /* PERIPH_CONF_H_ */