hdw-btn.h

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#ifndef _BTN_H_
#define _BTN_H_
 
#include <stdbool.h>
#include <stdint.h>
 
#include <driver/gpio.h>

typedef enum __attribute__((packed))
{
    PB_UP     = 0x0001, 
    PB_DOWN   = 0x0002, 
    PB_LEFT   = 0x0004, 
    PB_RIGHT  = 0x0008, 
    PB_A      = 0x0010, 
    PB_B      = 0x0020, 
    PB_START  = 0x0040, 
    PB_SELECT = 0x0080, 
} buttonBit_t;

typedef struct
{
    uint16_t state;     
    buttonBit_t button; 
    bool down;          
    uint32_t time;      
} buttonEvt_t;
 
void initButtons(const gpio_num_t* pushButtons, uint8_t numPushButtons);
void deinitButtons(void);
void powerDownButtons(void);
void powerUpButtons(void);
bool checkButtonQueue(buttonEvt_t*);
 
#endif