?? delay.h
字號:
//#define F_CPU 12000000
#define F_CPU 11059200
//#define F_CPU 8000000
//#define F_CPU 7372800
//#define F_CPU 4000000
/*************************************************************************
通用延時頭文件:
delay_nus(n)延時n微秒
delay_nms(n)延時n毫秒
*************************************************************************/
#if F_CPU == 12000000
void delay_nus(unsigned int time)
{
while (time!=0)
{
NOP();NOP();NOP();NOP();NOP();NOP();NOP();NOP();
time--;
}
}
void delay_nms(unsigned int time)
{
unsigned int i;
while (time!=0)
{
for(i=0;i<1740;i++);
time--;
}
}
#endif
#if F_CPU == 11059200
void delay_nus(unsigned int time)
{
while (time!=0)
{
NOP();NOP();NOP();NOP();NOP();NOP();NOP();
time--;
}
}
void delay_nms(unsigned int time)
{
unsigned int i;
while (time!=0)
{
for(i=0;i<1580;i++);
time--;
}
}
#endif
#if F_CPU == 8000000
void delay_nus(unsigned int time)
{
while (time!=0)
{
NOP();NOP();NOP();NOP();
time--;
}
}
void delay_nms(unsigned int time)
{
unsigned int i;
while (time!=0)
{
for(i=0;i<1150;i++);
time--;
}
}
#endif
#if F_CPU == 7372800
void delay_nus(unsigned int time)
{
while (time!=0)
{
NOP();NOP();NOP();NOP();
time--;
}
}
void delay_nms(unsigned int time)
{
unsigned int i;
while (time!=0)
{
for(i=0;i<1070;i++);
time--;
}
}
#endif
#if F_CPU == 4000000
void delay_nus(unsigned int time)
{
while (time!=0)
{
time--;
}
}
void delay_nms(unsigned int time)
{
unsigned int i;
while (time!=0)
{
for(i=0;i<570;i++);
time--;
}
}
#endif
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