51单片机——LED点阵屏

#include <REGX52.H>

#include ""

sbit rclk=P3^5;

sbit srclk=P3^6;

sbit ser=P3^4;

void write74hc595(unsigned char byte)

{

char i;

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

{

ser=byte&(0x80>>i);

srclk=1;

srclk=0;

}

rclk=1;

rclk=0;

}

void matled(unsigned char lie,unsigned char deta)

{

write74hc595(deta);

P0=~(0x80>>lie);

Delay(1);

P0=0xFF;

}

void main()

{

srclk=0;

rclk=0;

//matled(0,0xAA);

while(1)

{

matled(0,0x3C);

matled(1,0x42);

matled(2,0xA9);

matled(3,0x85);

matled(4,0x85);

matled(5,0xA9);

matled(6,0x42);

matled(7,0x3C);

}

}