标题:
5位LED数码管单片机驱动程序595测试代码8位为例
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作者:
风影@
时间:
2018-5-27 16:42
标题:
5位LED数码管单片机驱动程序595测试代码8位为例
5位LED数码管单片机源程序如下:
#include <REG51.H>
unsigned char code Tab[] = {0xc0,0xcf,0xa4,0xb0,0x99,0x92,0x82, 0xf8,0x80,
0x90, 0x88,0x83,0xc6,0xa1,0x86,0x8e,0xff,0x7f};//0 1 2 3 4 5 6 7 8 9 A B C D F 灭 . // 共阳数码管
sbit LOAD=P1^0;
sbit CLK=P1^1;
sbit SDK=P1^2;
void delay10ms(unsigned char temp)
{
unsigned char i,j,t;
t=temp;
while(t!=0)
{
for(i=20;i>0;i--)
for(j=248;j>0;j--);
t--;
}
}
void SPI_595(unsigned char out_data)
{
unsigned char i,temp;
for(i=0;i<8;i++)
{
CLK=0;
temp=out_data&0x80;
if(temp==0x80)
SDK=1;
else SDK=0;
out_data=out_data<<1;
CLK=1;
}
}
void main(void)
{
while(1)
{
LOAD=1;
LOAD=0;
delay10ms(500);
SPI_595(Tab[0]);
SPI_595(Tab[0]);
SPI_595(Tab[0]);
SPI_595(Tab[0]);
SPI_595(Tab[0]);
SPI_595(Tab[0]);
SPI_595(Tab[0]);
SPI_595(Tab[0]);
LOAD=1;
LOAD=0;
delay10ms(500);
SPI_595(Tab[1]);
SPI_595(Tab[1]);
SPI_595(Tab[1]);
SPI_595(Tab[1]);
SPI_595(Tab[1]);
SPI_595(Tab[1]);
SPI_595(Tab[1]);
SPI_595(Tab[1]);
LOAD=1;
LOAD=0;
delay10ms(500);
SPI_595(Tab[2]);
SPI_595(Tab[2]);
SPI_595(Tab[2]);
SPI_595(Tab[2]);
SPI_595(Tab[2]);
SPI_595(Tab[2]);
SPI_595(Tab[2]);
SPI_595(Tab[2]);
LOAD=1;
LOAD=0;
delay10ms(500);
SPI_595(Tab[3]);
SPI_595(Tab[3]);
SPI_595(Tab[3]);
SPI_595(Tab[3]);
SPI_595(Tab[3]);
SPI_595(Tab[3]);
SPI_595(Tab[3]);
SPI_595(Tab[3]);
LOAD=1;
LOAD=0;
delay10ms(500);
SPI_595(Tab[4]);
SPI_595(Tab[4]);
SPI_595(Tab[4]);
SPI_595(Tab[4]);
SPI_595(Tab[4]);
SPI_595(Tab[4]);
SPI_595(Tab[4]);
SPI_595(Tab[4]);
LOAD=1;
LOAD=0;
delay10ms(500);
SPI_595(Tab[5]);
SPI_595(Tab[5]);
SPI_595(Tab[5]);
SPI_595(Tab[5]);
SPI_595(Tab[5]);
SPI_595(Tab[5]);
SPI_595(Tab[5]);
SPI_595(Tab[5]);
LOAD=1;
LOAD=0;
delay10ms(500);
SPI_595(Tab[6]);
SPI_595(Tab[6]);
SPI_595(Tab[6]);
SPI_595(Tab[6]);
SPI_595(Tab[6]);
SPI_595(Tab[6]);
SPI_595(Tab[6]);
SPI_595(Tab[6]);
LOAD=1;
LOAD=0;
delay10ms(500);
SPI_595(Tab[7]);
SPI_595(Tab[7]);
SPI_595(Tab[7]);
SPI_595(Tab[7]);
SPI_595(Tab[7]);
SPI_595(Tab[7]);
SPI_595(Tab[7]);
SPI_595(Tab[7]);
LOAD=1;
LOAD=0;
delay10ms(500);
SPI_595(Tab[8]);
SPI_595(Tab[8]);
SPI_595(Tab[8]);
SPI_595(Tab[8]);
SPI_595(Tab[8]);
SPI_595(Tab[8]);
SPI_595(Tab[8]);
SPI_595(Tab[8]);
LOAD=1;
LOAD=0;
delay10ms(500);
SPI_595(Tab[9]);
SPI_595(Tab[9]);
SPI_595(Tab[9]);
SPI_595(Tab[9]);
SPI_595(Tab[9]);
SPI_595(Tab[9]);
SPI_595(Tab[9]);
SPI_595(Tab[9]);
LOAD=1;
LOAD=0;
delay10ms(500);
SPI_595(Tab[7]);
SPI_595(Tab[6]);
SPI_595(Tab[5]);
SPI_595(Tab[4]);
SPI_595(Tab[3]);
SPI_595(Tab[2]);
SPI_595(Tab[1]);
SPI_595(Tab[0]);
LOAD=1;
LOAD=0;
delay10ms(2000);
SPI_595(Tab[15]);
SPI_595(Tab[14]);
SPI_595(Tab[13]);
SPI_595(Tab[12]);
SPI_595(Tab[11]);
SPI_595(Tab[10]);
SPI_595(Tab[9]);
SPI_595(Tab[8]);
LOAD=1;
LOAD=0;
delay10ms(5000);
}
}
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