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標題: 單片機16*16點陣循環顯示 [打印本頁]

作者: zero^ 時間: 2022-1-2 15:39
標題: 單片機16*16點陣循環顯示
#include<reg52.h>

#define uchar unsigned char
#define uint unsigned int

uchar code dischar[]={
0xF,0xDF,0xF9,0xCF,0xFB,0xBF,0xC0,0x07,
0xDE,0xF7,0xC0,0x07,0xDE,0xF7,0xDE,0xF7,
0xC0,0x07,0xDE,0xF7,0xFE,0xFF,0x00,0x01,
0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,

0xFF,0xBF,0xEF,0xBF,0xEF,0xBF,0xEF,0xBB,
0xE0,0x01,0xEF,0xFF,0xEF,0xFF,0xEF,0xFF,
0xE0,0x0F,0xEF,0xEF,0xEF,0xEF,0xEF,0xEF,
0xDF,0xEF,0xDF,0xEF,0xBF,0xEF,0x7F,0xEF,

0xEF,0xFF,0xEF,0x07,0xEF,0x77,0x01,0x77,
0xEF,0x77,0xEF,0x77,0xC7,0x77,0xCB,0x77
,0xAB,0x77,0xAF,0x77,0x6E,0xF7,0xEE,0xF5,
0xED,0xF5,0xED,0xF5,0xEB,0xF9,0xEF,0xFF,
};

/***********端口定義*****************/
sbit A1 =P2^0;
sbit B1 =P2^1;
sbit C1 =P2^2;
sbit D1 =P2^3;
sbit EN1=P2^4;

sbit LS595_SHC=P1^0; //SHcp 鎖存時鐘-----74HC595
sbit LS595_STC=P1^1; //STcp 移位時鐘-----74HC595
sbit LS595_DS =P1^2; //DSI 數據---------74HC595

/**********nms延時子程序*************/
void Delay_Nms(uint n)
{
      uint i,j;
      for(i=0;i<n;i++)
            for(j=0;j<20;j++)
                     ;
}

/**********發送一字節數據*************/
void SendOneByte(uchar content)
{
uchar i;

for(i=0;i<8;i++)
{
      LS595_DS=(bit)(content & 0x80);    //判斷輸出數據
      LS595_SHC=0;                                  //初始化移位時鐘
      content<<=1;                                                 //更新數據
      LS595_SHC=1;
}
}

/***********主函數********************/
void main(void)
{
uchar i;
      uchar j;
      uchar k;
      uchar       ycode;
      EN1=1;                //不使能154譯碼器
      while(1)
{ for(j=0;j<3;j++)
            {
                     for(k=0;k<50;k++)
                     {
                              for(i=0;i<16;i++)
                     {
                                    LS595_STC=0;
                        SendOneByte(dischar[i*2+j*32]); //譯碼顯示
                                    SendOneByte(dischar[i*2+j*32+1]); //譯碼顯示
                                    LS595_STC=1;             //數據已準備好
                                    P2=i|0XF0;                      //開啟掃描的行數據
                                    EN1=0;       //打開行輸出


                        Delay_Nms(4);
                                    EN1=1;             //關閉行輸出
                  }
                     }
            }

}
}

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