Subversion Repositories openrisc_2011-10-31

/* ----------------------------------------------------------------------------
 *         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.
 * ----------------------------------------------------------------------------
 */
 
//------------------------------------------------------------------------------
/// \unit
/// !Purpose
/// 
/// Configuration and handling of interrupts on PIO status changes.
/// 
/// !Usage
/// 
/// -# Configure an status change interrupt on one or more pin(s) with
///    PIO_ConfigureIt.
/// -# Enable & disable interrupts on pins using PIO_EnableIt and
///    PIO_DisableIt.
//------------------------------------------------------------------------------
 
//------------------------------------------------------------------------------
//         Headers
//------------------------------------------------------------------------------
 
#include "pio.h"
 
//------------------------------------------------------------------------------
//         Global functions
//------------------------------------------------------------------------------
 
extern void PIO_InitializeInterrupts(unsigned int priority);
 
extern void PIO_ConfigureIt(const Pin *pPin, void (*handler)(const Pin *));
 
extern void PIO_EnableIt(const Pin *pPin);
 
extern void PIO_DisableIt(const Pin *pPin);