104 lines
3.7 KiB
C
104 lines
3.7 KiB
C
/*
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* Copyright (c) 2017, George Oikonomou - http://www.spd.gr
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*---------------------------------------------------------------------------*/
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/**
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* \addtogroup gpio-hal
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* @{
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*
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* \file
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* Implementation of the platform-independent aspects of the GPIO HAL
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*/
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/*---------------------------------------------------------------------------*/
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#include "contiki.h"
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#include "dev/gpio-hal.h"
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#include "lib/list.h"
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#include "sys/log.h"
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#include <stdint.h>
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#include <string.h>
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/*---------------------------------------------------------------------------*/
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/* Log configuration */
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#define LOG_MODULE "GPIO HAL"
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#define LOG_LEVEL LOG_LEVEL_NONE
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/*---------------------------------------------------------------------------*/
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LIST(handlers);
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/*---------------------------------------------------------------------------*/
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void
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gpio_hal_register_handler(gpio_hal_event_handler_t *handler)
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{
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list_add(handlers, handler);
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}
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/*---------------------------------------------------------------------------*/
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void
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gpio_hal_event_handler(gpio_hal_pin_mask_t pins)
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{
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gpio_hal_event_handler_t *this;
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for(this = list_head(handlers); this != NULL; this = this->next) {
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if(pins & this->pin_mask) {
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if(this->handler != NULL) {
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this->handler(pins & this->pin_mask);
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}
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}
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}
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}
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/*---------------------------------------------------------------------------*/
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void
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gpio_hal_init()
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{
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list_init(handlers);
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}
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/*---------------------------------------------------------------------------*/
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#if GPIO_HAL_ARCH_SW_TOGGLE
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/*---------------------------------------------------------------------------*/
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void
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gpio_hal_arch_toggle_pin(gpio_hal_pin_t pin)
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{
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if(pin >= GPIO_HAL_PIN_COUNT) {
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LOG_ERR("Pin %u out of bounds\n", pin);
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return;
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}
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gpio_hal_arch_write_pin(pin, gpio_hal_arch_read_pin(pin) ^ 1);
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}
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/*---------------------------------------------------------------------------*/
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void
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gpio_hal_arch_toggle_pins(gpio_hal_pin_mask_t pins)
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{
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gpio_hal_arch_write_pins(pins, ~gpio_hal_arch_read_pins(pins));
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}
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/*---------------------------------------------------------------------------*/
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#endif /* GPIO_HAL_ARCH_SW_TOGGLE */
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/*---------------------------------------------------------------------------*/
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/**
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* @}
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*/
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