Source

prom / bits.h

#ifndef _prom_bits_h_
#define _prom_bits_h_

#include <stdint.h>

#define sbi(PORT, PIN) ((PORT) |=  (1 << (PIN)))
#define cbi(PORT, PIN) ((PORT) &= ~(1 << (PIN)))
#define array_count(ARRAY) (sizeof(ARRAY) / sizeof(*(ARRAY)))
#define _STR(X) #X
#define STR(X) _STR(X)


extern void
ddr(
	const uint8_t port,
	const uint8_t value
);


extern void
out(
	const uint8_t port,
	uint8_t value
);


extern uint8_t
in(
	uint8_t port
);

#endif
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