GPIO입력을 이용한 버튼 처리방법 메모 typedef struct _button_data { uint8_t button_id; uint8_t prev_physical_status; // Previous physical button status(PRESSED or RELEASED) uint8_t prev_logical_status; // Previous logical button status(PRESSED or RELEASED) uint8_t current_logical_status; // Current logical button status(PRESSED or RELEASED) uint16_t pressed_count; // It represents how long a button is pressed...