Danger-alarm/SOFTWARE-FreeRTOS/Common/drivers/Atmel/at91lib/peripherals/pio/pio_it.h
2024-06-03 16:27:41 +08:00

62 lines
2.6 KiB
C

/* ----------------------------------------------------------------------------
* 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);