nes-proj/arch/cpu/cc2538/dev/gpio-hal-arch.h

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2017-12-17 03:20:53 +00:00
/*
* Copyright (c) 2017, George Oikonomou - http://www.spd.gr
* 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 cc2538
* @{
*
* \defgroup cc2538-gpio-hal CC2538 GPIO HAL implementation
*
* @{
*
* \file
* Header file for the CC2538 GPIO HAL functions
*
* \note
* Do not include this header directly
*/
/*---------------------------------------------------------------------------*/
#ifndef GPIO_HAL_ARCH_H_
#define GPIO_HAL_ARCH_H_
/*---------------------------------------------------------------------------*/
#include "contiki.h"
#include "dev/gpio.h"
#include <stdint.h>
/*---------------------------------------------------------------------------*/
#define PIN_TO_PORT(pin) (pin >> 3)
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#define PIN_TO_NUM(pin) (pin % 8)
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#define PIN_TO_PORT_BASE(pin) GPIO_PORT_TO_BASE(PIN_TO_PORT(pin))
/*---------------------------------------------------------------------------*/
#define gpio_hal_arch_interrupt_enable(p) do { \
GPIO_ENABLE_INTERRUPT(PIN_TO_PORT_BASE(p), GPIO_PIN_MASK((p) % 8)); \
NVIC_EnableIRQ(PIN_TO_PORT(p)); \
} while(0);
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#define gpio_hal_arch_interrupt_disable(p) \
GPIO_DISABLE_INTERRUPT(PIN_TO_PORT_BASE(p), GPIO_PIN_MASK((p) % 8))
#define gpio_hal_arch_pin_set_input(p) do { \
GPIO_SOFTWARE_CONTROL(PIN_TO_PORT_BASE(p), GPIO_PIN_MASK((p) % 8)); \
GPIO_SET_INPUT(PIN_TO_PORT_BASE(p), GPIO_PIN_MASK((p) % 8)); \
} while(0);
#define gpio_hal_arch_pin_set_output(p) do { \
GPIO_SOFTWARE_CONTROL(PIN_TO_PORT_BASE(p), GPIO_PIN_MASK((p) % 8)); \
GPIO_SET_OUTPUT(PIN_TO_PORT_BASE(p), GPIO_PIN_MASK((p) % 8)); \
} while(0);
#define gpio_hal_arch_set_pin(p) \
GPIO_SET_PIN(PIN_TO_PORT_BASE(p), GPIO_PIN_MASK((p) % 8))
#define gpio_hal_arch_clear_pin(p) \
GPIO_CLR_PIN(PIN_TO_PORT_BASE(p), GPIO_PIN_MASK((p) % 8))
#define gpio_hal_arch_read_pin(p) \
(GPIO_READ_PIN(PIN_TO_PORT_BASE(p), GPIO_PIN_MASK((p) % 8)) == 0 ? 0 : 1)
/*---------------------------------------------------------------------------*/
#endif /* GPIO_HAL_ARCH_H_ */
/*---------------------------------------------------------------------------*/
/**
* @}
* @}
*/