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標題:
C52單片機原理圖以及按下按鍵加減0到16
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作者:
18386628774
時間:
2018-11-8 20:30
標題:
C52單片機原理圖以及按下按鍵加減0到16
#include "reg51.h" //包含頭文件reg51.h,定義了51單片機的專用寄存器
sbit k1=P2^7;
sbit k2=P2^6;
sbit k3=P2^5;
sbit k4=P2^4;
sbit k5=P2^3;
sbit k6=P2^2;
sbit k7=P2^1;
sbit k8=P2^0;
char code table1[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xF8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e};//陽極靜態數碼管的16進制編碼
char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x83,0xc6,0xa1,0x86,0x8e};//陰極動態數碼管的16進制編碼
//附屬函數專區開始
void yanchi(unsigned int ms) //延時代碼 - 函數定義
{
unsigned int x,y;
for(x=ms;x>0;x--)
for(y=110;y>0;y--);
}
void main() //主函數
{ unsigned char i=0;
P0=0x00;
while(1)
{
if(k1==0)//按下按鍵k1
{
yanchi(10);
if(k1==0) //確認按下按鍵k1
{
i++;
}while(!k1);
}
if(k2==0)//按下按鍵k2
{
yanchi(10);
if(k2==0) //確認按下按鍵k2
{
i--;
}while(!k2);
}P0=table[i];
}
}
復制代碼
C51原理圖.PNG
(452.03 KB, 下載次數: 74)
下載附件
2018-11-8 20:26 上傳
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