74hc138和74hc595級聯點亮16*16點陣含仿真，單片機代碼

ID:504900 · 發表于 2019-4-30 20:12

這是我最近學習單片機做的一個電陣，
附件含有源代碼和原理圖，
親測能用，適合新手觀看，大佬勿噴，
（本人新手一個，此文件新手可用來參考）

仿真原理圖如下（proteus仿真工程文件可到本帖附件中下載）

單片機源程序如下:

#include"reg51.h"
#include"intrins.h"
sbit sh1=P2^0;
sbit st1=P2^1;
sbit ser1=P2^2;
unsigned char code lie[16]={0x08,0x88,0x48,0xc8,0x28,0xa8,0x68,0xe8,
0x10,0x14,0x12,0x16,0x11,0x15,0x13,0x17,};/*點亮每一列*/
unsigned char code shu[][16]={
0x00,0x00,0x00,0x00,0x00,0x10,0x08,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x08,0x08,0x08,0x0F,0x08,0x08,0x08,0x00,0x00,0x00,0x00,0x00, /*1*/
0x00,0x00,0x00,0x00,0x18,0x04,0x04,0x84,0x44,0x24,0x18,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x0C,0x0A,0x09,0x08,0x08,0x08,0x08,0x00,0x00,0x00,0x00,0x00, /*2*/
0x00,0x00,0x00,0x00,0x00,0x44,0x44,0x44,0x44,0x44,0xF8,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x08,0x08,0x08,0x08,0x08,0x07,0x00,0x00,0x00,0x00,0x00, /*3*/};/*每一個字的數據*/
void U1( unsigned char dat1, unsigned char dat2)
{ int a;
unsigned char dat;
dat=dat1; /*送入第一個數據*/
sh1=0; /*讓11腳拉低*/
for(a=0;a<8;a++)
{
ser1=dat>>7; /*把一個字節的低七位移掉*/
dat=dat<<=1; /*右移一位*/
sh1=1; /*在595芯片移位*/
_nop_();
_nop_();
sh1=0;
}
dat=dat2; /*送入第二個數據*/
sh1=0;
for(a=0;a<8;a++)
{
ser1=dat>>7;
dat=dat<<=1;
sh1=1;
_nop_();
_nop_();
sh1=0;
}
}
void out595() /*595輸出*/
{
st1=0;
_nop_();
_nop_();
st1=1;
_nop_();
_nop_();
st1=0;
}
void main()
{
int i,j,y;
while(1)
{
for(i=0;i<5;i=i+2)
{
y=50; /*顯示的時間*/
while(y--)
{
for(j=0;j<16;j++)
{
U1(shu[i+1][j],shu[i][j]); /*具體看595級聯的用法*/
P1=lie[j];
out595();
}
P1=0xff; /*消隱*/
}
}
}
}