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- #ifndef _COMMON_H_
- #define _COMMON_H_
-
- #define CLEAR_STORE_INTERRUPTS() uint8_t prev_int_reg = SREG; cli()
- #define RESTORE_INTERRUPTS() SREG = prev_int_reg
-
- void async_beep(int time, int freq);
- void blocking_beep(int time, int freq, int repeat = 0);
- void common_run(unsigned long t);
-
- #endif // _COMMON_H_
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