#include
#include
sbit CLK=P1^1;
sbit DATA=P1^0;
sbit CONTROL=P1^2;
unsigned char count;
void IniTimer()
{
TMOD=0x01;
TH0=0X3C;
TL0=0xB0;
EA=1;
ET0=1;
TR0=1;
}
void Timer0(void)interrupt 1 using 1
{
TH0=0x3C;
TL0=0xB0;
if(count<20)
{
count++;
}
else
{
count=0;
CONTROL=!CONTROL;
}
}
void WriteData(unsigned int Isdata)
{
unsigned char i;
for(i=0;i<8;i++)
{
CLK=1;
Isdata=Isdata<<1;
DATA=CY;
CLK=0;
}
CLK=1;
}
void InitData()
{
count=0;
WriteData(0x00);
}
int main(void)
{
InitData();
InitTimer();
while(1);
return 0;
}