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/* ----------------------------------------------------------------------------
 *         ATMEL Microcontroller Software Support 
 * ----------------------------------------------------------------------------
 * Copyright (c) 2008, 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 PIO_H
#define PIO_H

//------------------------------------------------------------------------------
//         Headers
//------------------------------------------------------------------------------

#include <board.h>

//------------------------------------------------------------------------------
//         Global Definitions
//------------------------------------------------------------------------------

#define PIO_PERIPH_A                0

#define PIO_PERIPH_B                1

#define PIO_INPUT                   2

#define PIO_OUTPUT_0                3

#define PIO_OUTPUT_1                4

#define PIO_DEFAULT                 (0 << 0)

#define PIO_PULLUP                  (1 << 0)

#define PIO_DEGLITCH                (1 << 1)

#define PIO_OPENDRAIN               (1 << 2)

//------------------------------------------------------------------------------
//         Global Macros
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
#define PIO_LISTSIZE(pPins)    (sizeof(pPins) / sizeof(Pin))

//------------------------------------------------------------------------------
//         Global Types
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
typedef struct {

    unsigned int mask; 
    AT91S_PIO    *pio;
    unsigned char id;
    unsigned char type;
    unsigned char attribute;

} Pin;

//------------------------------------------------------------------------------
//         Global Functions
//------------------------------------------------------------------------------

extern unsigned char PIO_Configure(const Pin *list, unsigned int size);

extern void PIO_Set(const Pin *pin);

extern void PIO_Clear(const Pin *pin);

extern unsigned char PIO_Get(const Pin *pin);

extern unsigned int PIO_GetISR(const Pin *pin);

extern unsigned char PIO_GetOutputDataStatus(const Pin *pin);

#endif //#ifndef PIO_H