button.h

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#ifndef _BUTTON_H_
#define _BUTTON_H_
 
#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/gpio.h"
 
#define ESP_INTR_FLAG_DEFAULT 0 //default interrupt flag
#define PULL_SEL_EN 1  // enable selected pull selection
 
typedef struct Button
{
    gpio_num_t gpio; 
    union
    {
        gpio_pullup_t up;
        gpio_pulldown_t down;
    }pull_sel; 
    void (*func)(void *arg); 
} Button;
 
void buttonInit(Button *button);
 
int buttonRead(Button *button);
 
void buttonInitIRQ(Button *button);
 
extern void buttonInterrupt(void *arg);
 
#endif