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          C51_LCD1602顯示

          作者: 時間:2016-11-21 來源:網(wǎng)絡(luò) 收藏
          #include
          #include
          #define uchar unsigned char
          #define uint unsigned int
          sbit rs=P2^6;
          sbit rw=P2^5;
          sbit en=P2^7;
          uchar shuma[10]={0x03,0x9f,0x25,0x0d,0x99,0x49,0x41,0x1f,0x01,0x09};
          // 0 1 2 3 4 5 6 7 8
          void delay(uchar a)
          {
          uint i,j;
          for(i=0;i<=110;i++)
          for(j=0;j<=a;j++);
          }
          void write_com(uchar com)
          {
          rs=0;
          rw=0;
          en=0;
          P0=com;
          en=1;
          delay(10);
          en=0;
          }
          void write_dat(uchar dat)
          {
          rs=1;
          rw=0;
          en=0;
          P0=dat;
          en=1;
          delay(10);
          en=0;
          }
          void init_1602()
          {
          write_com(0x38);
          write_com(0x0c);
          write_com(0x06);
          write_com(0x01);
          }
          void main()
          {
          init_1602();
          write_com(0x80+2);
          write_dat(I);
          write_com(0x80+4);
          write_dat(a);
          write_com(0x80+5);
          write_dat(m);
          write_com(0x80+7);
          write_dat(i);
          write_com(0x80+8);
          write_dat(r);
          write_com(0x80+9);
          write_dat(o);
          write_com(0x80+10);
          write_dat(n);
          write_com(0x80+12);
          write_dat(m);
          write_com(0x80+13);
          write_dat(a);
          write_com(0x80+14);
          write_dat(n);
          }



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