#include <reg52.h>
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
#define NOP _nop_()
sbit OE = P2^7; //21腳使能
sbit A1 = P2^0; //22腳行選信號(hào)
sbit B1 = P2^1; //23腳行選信號(hào)
sbit SHCP=P2^3; //25腳SHCP 移位時(shí)鐘
sbit STCP=P2^4; //24腳STCP 鎖存時(shí)鐘
sbit DATA=P2^5; //17腳紅色數(shù)據(jù)輸入
uchar code table[10][32]={{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC3,0xC7,0x99,0xBB,0x99,0x39,0xF9,0x39,0xE3,0x39,
0xE3,0x39,0xF9,0x39,0xFD,0x39,0x9D,0x39,0x99,0xBB,0xC3,0xC7,0xFF,0xFF,0xFF,0xFF}, //30
{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,0x7,0xE7,0xE3,0xE7,0xF1,0xE7,0xF1,0xE7,0xE3,
0xE0,0xF,0xE7,0xFF,0xE7,0xFF,0xE7,0xFF,0xE7,0xFF,0x81,0xFF,0xFF,0xFF,0xFF,0xFF}}; //P
/*******************************************************************************************/
//數(shù)據(jù)串行輸入
void serial_input(uchar dat)
{
uint m;
for(m=0;m<8;m++)
{
if(dat & 0x80)
DATA=1;
else
DATA=0;
SHCP=0;
SHCP=1;
NOP;
NOP;
SHCP=0;
NOP;
NOP;
dat=dat<<1;
}
}
/*******************************************************************************************/
//并出
void serial_output()
{
STCP=1;
NOP;
NOP;
STCP=0;
}
/*******************************************************************************************/
/*******************************************************************************************/
//行顯控制
void HC138_scan(uchar temp)
{
OE=1;
A1=0x01 & temp;
B1=0x01 &(temp>>1);
}
/*******************************************************************************************/
/*******************************************************************************************/
//整屏顯示
void display()
{
uint i,j,k;
for(k=0;k<4;k++) //顯示的四行
{
for(j=0;j<2;j++) //顯示3、4列
{
for(i=0;i<2;i++) // 顯示1、2列
{
serial_input(table[j][3*8+2*k+i]);
serial_input(table[j][2*8+2*k+i]);
serial_input(table[j][1*8+2*k+i]);
serial_input(table[j][0*8+2*k+i]);
}
}
serial_output();
HC138_scan(k);
}
}
/*******************************************************************************************/
/*******************************************************************************************/
void main()
{
while(1)
{
display();
}
}
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