/* ----------------------------------------------------------------------------
 *         SAM Software Package License 
 * ----------------------------------------------------------------------------
 * Copyright (c) 2011, Atmel Corporation
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the disclaimer below.
 *
 * Atmel's name may not be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ----------------------------------------------------------------------------
 */

#ifndef _VARIANT_SAM3U_EK_
#define _VARIANT_SAM3U_EK_

/*----------------------------------------------------------------------------
 *        Headers
 *----------------------------------------------------------------------------*/

#include "Arduino.h"
#include "UART.h"
#include "USART.h"

/**
 * Libc porting layers
 */
#if defined (  __GNUC__  ) /* GCC CS3 */
#    include <syscalls.h> /** RedHat Newlib minimal stub */
#endif

/*----------------------------------------------------------------------------
 *        Definitions
 *----------------------------------------------------------------------------*/

/*----------------------------------------------------------------------------*/

#ifndef sam3u_ek
#define sam3u_ek
#endif

/** Name of the board */
#define VARIANT_NAME "SAM3U-EK"

/*
#define VARIANT_REV_A
#define VARIANT_REV_B
#define VARIANT_REV_C
#define VARIANT_REV_D
*/

/** Frequency of the board main oscillator */
#define VARIANT_MAINOSC           12000000

/** Master clock frequency */
#define VARIANT_MCK               96000000

/*----------------------------------------------------------------------------
 *        Pins
 *----------------------------------------------------------------------------*/

#define PIN_LED_BLUE         (0u)
#define PIN_LED_GREEN        (1u)
#define PIN_LED_RED          (2u)
#define PIN_LED              PIN_LED_BLUE
#define PIN_LED2             PIN_LED_GREEN

static const uint8_t SS   = 23 ;
static const uint8_t MOSI = 21 ;
static const uint8_t MISO = 20 ;
static const uint8_t SCK  = 22 ;

#define PINS_UART            (6u)

/*----------------------------------------------------------------------------
 *        Arduino objects - C++ only
 *----------------------------------------------------------------------------*/

#ifdef __cplusplus

extern UARTClass Serial ;

extern USARTClass Serial2 ;
extern USARTClass Serial3 ;

#endif

#endif /* _VARIANT_SAM3U_EK_ */