?? delay.h
字號:
#ifdef _DELAY_C_
#define _DELAY_GLOBAL_
#else
#define _DELAY_GLOBAL_ extern
#endif
#define ATmega64
// 執行11條指令的時間是0.994us，單條指令的時間是0.0904us
#ifdef ATmega64
#define XTAL 11059
#define DelayUs() asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");
#endif
// 執行8條指令的時間是1us，單條指令的時間是0.125us
#ifdef ATmega8
#define XTAL 8000
#define DelayUs() asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");
#endif
_DELAY_GLOBAL_ void Delay5us(void);
_DELAY_GLOBAL_ void Delay10us(void);
_DELAY_GLOBAL_ void DelayMs(void);
_DELAY_GLOBAL_ void DelayNms(unsigned int n);
_DELAY_GLOBAL_ void DelayNs(unsigned char n);
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