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/*
* Copyright (c) 2011, University of Szeged
* 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 following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
* - Neither the name of the copyright holder nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*
* Author: Andras Biro
*/
/*
* Pin change interrupt HPL for atmega128rfa1 PCINT0:7 (PORTB0:7)
*/
module HplAtmegaPinChange0C
{
provides interface HplAtmegaPinChange;
}
implementation
{
// ----- pin change interrupt flag register (PCIFR)
/* Tests if an interrupt is pending */
async command bool HplAtmegaPinChange.test(){
return (PCIFR&(1<<PCIF0))!=0;
}
/* Resets a pending interrupt */
async command void HplAtmegaPinChange.reset(){
PCIFR|=1<<PCIF0;
}
// ----- pin change control register (PCICR)
/* Enables the interrupt */
async command void HplAtmegaPinChange.enable(){
PCICR|=1<<PCIE0;
}
/* Disables the interrupt */
async command void HplAtmegaPinChange.disable(){
PCICR&=~(1<<PCIE0);
}
/* Checks if the interrupt is enabled */
async command bool HplAtmegaPinChange.isEnabled(){
return (PCICR&(1<<PCIE0))!=0;
}
// ----- pin change mask register (PCMSK)
/* Reads the mask register */
async command uint8_t HplAtmegaPinChange.getMask(){
return PCMSK0;
}
/* Sets the mask register */
async command void HplAtmegaPinChange.setMask(uint8_t value){
PCMSK0=value;
}
// ----- pin register (PIN)
/* Reads the current pin values */
async command uint8_t HplAtmegaPinChange.getPins(){
return PINB;
}
/* Signalled when any of the enabled pins changed */
AVR_ATOMIC_HANDLER( PCINT0_vect ) {
signal HplAtmegaPinChange.fired();
}
default async event void HplAtmegaPinChange.fired(){}
}
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