nes-proj/arch/cpu/cc26xx-cc13xx/dev/gpio-interrupt.c

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/*
* Copyright (c) 2014, Texas Instruments Incorporated - http://www.ti.com/
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. 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.
*/
/*---------------------------------------------------------------------------*/
/**
* \addtogroup cc26xx
* @{
*
* \file
* CC13xx/CC26xx GPIO interrupt ISR.
*/
/*---------------------------------------------------------------------------*/
#include "contiki.h"
#include "dev/gpio-hal.h"
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#include "ti-lib.h"
#include <string.h>
/*---------------------------------------------------------------------------*/
#define gpio_interrupt_isr GPIOIntHandler
/*---------------------------------------------------------------------------*/
void
gpio_interrupt_isr(void)
{
gpio_hal_pin_mask_t pin_mask;
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/* Read interrupt flags */
pin_mask = (HWREG(GPIO_BASE + GPIO_O_EVFLAGS31_0) & GPIO_DIO_ALL_MASK);
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/* Clear the interrupt flags */
HWREG(GPIO_BASE + GPIO_O_EVFLAGS31_0) = pin_mask;
gpio_hal_event_handler(pin_mask);
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}
/*---------------------------------------------------------------------------*/
/** @} */