#include"reg52.h"

#defineucharunsignedchar

sbitHC595_CS=P1^0;//STcp////鎖存時鐘-----74HC59512#

sbitHC595_CLK=P1^1;//SHcp////移位時鐘-----74HC59511#

sbitHC595_DAT=P1^2;//Ds////數(shù)據(jù)---------74HC59514#

//延時子程序

voidmDelay(ucharDelay)

{uchari;

for(;Delay>0;Delay--)

{

for(i=0;i<123;i++);

}

}

voidSetHC595(ucharkk)

{

uchari;

HC595_CS=0;

for(i=0;i<8;i++)

{

HC595_DAT=(bit)(kk&0x80);//串行輸出一位數(shù)據(jù)

HC595_CLK=0;//移位時鐘

kk=kk<<1;

HC595_CLK=1;

}

//HC595_CS=1;

}

main()

{

ucharj;

while(1)

{

for(j=0;j<255;j++)

{

SetHC595(j);

SetHC595(1);

HC595_CS=1;

mDelay(255);

mDelay(255);

}

}

}