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#ifndef __BUTTONS_H__
#define __BUTTONS_H__
#include <stdio.h>
// Init buttons used in conjuction with interrupts
// All buttons are connected to ground.
#define NUMBER_OF_BUTTONS 5
#define BUTTON_HOME 22
#define BUTTON_SELECT 18
#define BUTTON_MODE 19
#define BUTTON_DOWN 20
#define BUTTON_UP 21
// time is currently shared between all buttons.
extern unsigned long button_last_pressed_time;
extern const int button_delay_time;
void init_buttons();
void gpio_interrupt_cb(uint gpio, uint32_t events);
#endif
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