gpio_arch_common.h

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/*
 * Copyright (C) 2019 Gunar Schorcht
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once
 
#include "periph/gpio.h"
 
#ifndef DOXYGEN
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define GPIO_MODE_INPUT         GPIO_IN
#define GPIO_MODE_OUTPUT        GPIO_OUT
#define GPIO_MODE_INPUT_OUTPUT  GPIO_IN_OUT
 
typedef enum {
    _GPIO = 0,  
#ifndef CPU_ESP8266
    _ADC,       
    _CAN,       
    _DAC,       
    _EMAC,      
#endif /* !CPU_ESP8266 */
    _I2C,       
    _PWM,       
    _SPI,       
    _SPIF,      
    _UART,      
    _NOT_EXIST  
} gpio_pin_usage_t;
 
int gpio_set_pin_usage(gpio_t pin, gpio_pin_usage_t usage);
 
gpio_pin_usage_t gpio_get_pin_usage(gpio_t pin);
 
const char* gpio_get_pin_usage_str(gpio_t pin);
 
#ifdef __cplusplus
}
#endif
 
#endif /* DOXYGEN */