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          EEPW首頁 > 嵌入式系統(tǒng) > 設(shè)計應(yīng)用 > 51單片機驅(qū)動點陣16*16間斷顯示C程序

          51單片機驅(qū)動點陣16*16間斷顯示C程序

          作者: 時間:2016-11-29 來源:網(wǎng)絡(luò) 收藏

          #include
          #define uchar unsigned char
          #define uint unsigned int
          #define LINE P0//定義行線IO口,即74HC154控制端
          #define shudu 20//字移動的速度
          sbit DATA=P1^4;//74HC595數(shù)據(jù)端
          sbit CLK=P1^5;//74HC595移位脈沖端
          sbit CLKR=P1^6;//74HC595數(shù)據(jù)鎖存端
          uchar move;//移動幾位變量
          uchar line;//行變量
          uchar word;//字節(jié)變量
          uchar ji;//字節(jié)變量
          ucharcode table[]={
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
          0x00,0x00,0x00,0x10,0x3F,0xF8,0x04,0x10,0x04,0x14,0xFF,0xFE,0x04,0x10,0x04,0x10,
          0x3F,0xF0,0x04,0x10,0x04,0x00,0x08,0x00,0x08,0x00,0x10,0x00,0x20,0x00,0x40,0x00,
          0x01,0x00,0x01,0x08,0x7F,0xFC,0x01,0x00,0x3F,0xF8,0x01,0x00,0xFF,0xFE,0x00,0x10,
          0x1F,0xF8,0x10,0x10,0x1F,0xF0,0x10,0x10,0x1F,0xF0,0x10,0x10,0x10,0x50,0x10,0x20,
          0x01,0x10,0xFF,0x90,0x14,0x50,0x14,0x7C,0x7F,0x50,0x55,0x90,0x55,0x10,0x57,0xFE,
          0x61,0x04,0x41,0x7E,0x41,0x44,0x7F,0x44,0x41,0x44,0x41,0x44,0x7F,0x7C,0x41,0x44,
          0x00,0x78,0x3F,0x80,0x11,0x10,0x09,0x20,0x7F,0xFE,0x42,0x02,0x82,0x04,0x7F,0xF8,
          0x04,0x00,0x07,0xF0,0x0A,0x20,0x09,0x40,0x10,0x80,0x11,0x60,0x22,0x1C,0x0C,0x08,
          0x04,0x40,0x04,0x44,0xFF,0xFE,0x04,0x40,0x08,0x7C,0x09,0x44,0x7F,0xC4,0x08,0x7C,
          0x0A,0x44,0x3F,0x44,0x22,0x7C,0x22,0x44,0x22,0x44,0x3E,0x44,0x22,0x94,0x01,0x08,
          0x08,0x20,0x08,0x24,0xFF,0xFE,0x08,0x20,0x01,0x08,0x3F,0xFC,0x20,0x08,0x20,0x08,
          0x3F,0xF8,0x20,0x08,0x20,0x00,0x20,0x00,0x20,0x00,0x40,0x00,0x40,0x00,0x80,0x00,
          0x08,0x10,0x08,0x10,0x08,0x10,0x10,0x20,0x10,0x20,0x22,0x44,0x7E,0xFC,0x04,0x08,
          0x08,0x10,0x10,0x20,0x20,0x40,0x7E,0xFC,0x00,0x00,0x00,0x04,0xFF,0xFE,0x00,0x00,
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
          };
          void delay(uchar z)
          {
          uchar x,y;
          for(x=8;x>0;x--)
          for(y=z;y>0;y--);
          }
          void song(uchar z)//帶參數(shù)函數(shù)
          {
          uchar num,hang;//定義變量
          hang=z;//將形參給變量
          for(num=0;num<8;num++)//移動8次將數(shù)據(jù)發(fā)送完畢
          {
          if(hang&0x01==1)//將高7位屏蔽掉,保留最低位判斷
          DATA=1;//為1就將74HC595數(shù)據(jù)端置1
          else
          DATA=0;//否則給0
          CLK=0;//上升沿送走數(shù)據(jù)
          CLK=1;//高電平形成上升沿
          hang>>=1;//將數(shù)移走一位
          }
          }
          void jian()
          {
          for(move=30;move>0;move--)
          {
          ji=word;
          for(line=0;line<16;line++)
          {
          song(~table[ji*2+1]);
          song(~table[ji*2]);
          ji++;
          CLKR=1;//在74HC595處鎖存起來
          CLKR=0;
          CLKR=1;
          LINE=line;
          delay(17);
          }
          }
          word=ji;
          if(word>=128)//7個字
          {
          ji=0;
          word=0;
          }
          }
          void main()
          {
          while(1)
          {
          jian();
          }
          }

          本文引用地址:http://www.ex-cimer.com/article/201611/323403.htm

          視頻祥見:http://www.tudou.com/programs/view/D0SCJyO4RBQ/



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