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#ifndef COMMON_H
#define COMMON_H
/* cpu runs at n mhz */
#define F_CPU 8000000
#define sleepwhile(cond) \
sleep_enable (); \
while (cond) { sleep_cpu (); } \
sleep_disable ();
#define __unused__ __attribute__ ((unused))
/* define lightweight assert (without printf) that halts the cpu */
#include <stdio.h>
#include <avr/sleep.h>
#include <avr/interrupt.h>
#define assert(x) if (!(x)) { \
puts("assert in " __FILE__ ":" #x); \
sleep_enable (); \
while (1) { \
sleep_cpu (); \
} \
}
#endif /* COMMON_H */
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