global.h

来自「Digital Clock Source using ATmega8515 an」· C头文件 代码 · 共 43 行

#ifndef GLOBAL_H
#define GLOBAL_H

#define FALSE	0
#define TRUE	-1

#ifndef outb
	#define	outb(addr, data)	addr = (data)
#endif
#ifndef inb
	#define	inb(addr)			(addr)
#endif
#ifndef BV
	#define BV(bit)			(1<<(bit))
#endif
#ifndef cbi
	#define cbi(reg,bit)	reg &= ~(BV(bit))
#endif
#ifndef sbi
	#define sbi(reg,bit)	reg |= (BV(bit))
#endif
#ifndef cli
	#define cli()			__asm__ __volatile__ ("cli" ::)
#endif
#ifndef sei
	#define sei()			__asm__ __volatile__ ("sei" ::)
#endif

// MIN/MAX/ABS macros
#define MIN(a,b)			((a<b)?(a):(b))
#define MAX(a,b)			((a>b)?(a):(b))

typedef unsigned char	U8;
typedef unsigned int	U16;
typedef unsigned long	U32;
typedef signed char		S8;
typedef signed int		S16;
typedef signed long		S32;

#define NOP		asm volatile("nop")

#endif //end GLOBAL_H