osd-contiki/platform/ev-aducrf101mkxz/leds-arch.c

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2014-06-26 02:16:09 +02:00
/**
* Copyright (c) 2014, Analog Devices, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted (subject to the limitations in the
* disclaimer below) 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 Analog Devices, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
* GRANTED BY THIS LICENSE. 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 OWNER 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 Jim Paris <jim.paris@rigado.com>
*/
#include "contiki.h"
#include "dev/leds.h"
#include "platform-conf.h"
#include "aducrf101-contiki.h"
/* e.g. pADI_GP4 */
#define GPIO CC_CONCAT(pADI_GP, LED_GPIO)
/*---------------------------------------------------------------------------*/
void
leds_arch_init(void)
{
/* Set LED pin as a GPIO output */
GPIO->GPOEN |= (1UL << LED_PIN);
leds_arch_set(0);
}
/*---------------------------------------------------------------------------*/
unsigned char
leds_arch_get(void)
{
if(GPIO->GPOUT & (1UL << LED_PIN)) {
return 0;
} else {
return 1;
}
}
/*---------------------------------------------------------------------------*/
void
leds_arch_set(unsigned char leds)
{
if(leds & 1) {
GPIO->GPCLR = (1UL << LED_PIN);
} else {
GPIO->GPSET = (1UL << LED_PIN);
}
}
/*---------------------------------------------------------------------------*/
/**
* @}
* @}
*/