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/*
* Copyright (c) 2005 Arch Rock 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 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 Arch Rock Corporation 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 ARCHED
* ROCK OR ITS 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.
*/
/*
* Variant of the standard GpioInterrupt interface that provides a
* 'BOTH' trigger.
*
* @author Phil Buonadonna
*
*/
interface HalPXA27xGpioInterrupt {
/**
* Enable an edge based interrupt. Calls to these functions are
* not cumulative: only the transition type of the last called
* function will be monitored for.
*
*
* @return SUCCESS if the interrupt has been enabled
*/
async command error_t enableRisingEdge();
async command error_t enableFallingEdge();
async command error_t enableBothEdge();
/**
* Diables an edge interrupt or capture interrupt
*
* @return SUCCESS if the interrupt has been disabled
*/
async command error_t disable();
/**
* Fired when an edge interrupt occurs.
*
* NOTE: Interrupts keep running until "disable()" is called
*/
async event void fired();
}
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