• 贪吃蛇蛇移动代码keil+c+proteus实现


    #include<LPC21XX.h>
    #include"lcd12864.h"
    INT32U snakemove(void);
    void delay(INT32U ms);
    #define LCD12864_CTL_NO 11      
    #define LCD12864_DAT_NO 16      
    #define LCD12864_CSA (1<<(LCD12864_CTL_NO))  
    #define LCD12864_CSB (1<<(LCD12864_CTL_NO+1))
    #define LCD12864_RS (1<<(LCD12864_CTL_NO+2))  
    #define LCD12864_RW (1<<(LCD12864_CTL_NO+3))
    #define LCD12864_EN (1<<(LCD12864_CTL_NO+4))
    #define LCD12864_CLR IO0CLR  
    #define LCD12864_SET IO0SET  
    #define LCD12864_DIR IO0DIR  
    #define LCD12864_PIN IO0PIN  
    #define LCD12864_SEL0 PINSEL0
    #define LCD12864_SEL1 PINSEL1 
    #define LCD_STARTROW   0xC0  
    #define LCD_PAGE   0xB8  
    #define LCD_LINE   0x40  
    #define SINGLE_SCREEN_LINE  64 
    #define LCD_DispOn  0x3F
    void vWriteCMD2(INT8U ucCMD)
    {
     LCD12864_CLR=LCD12864_RS;
     LCD12864_CLR=LCD12864_RW;

     LCD12864_CLR=0xFF <<LCD12864_DAT_NO;
     LCD12864_SET=ucCMD<<LCD12864_DAT_NO;
     LCD12864_SET=LCD12864_EN;
     LCD12864_CLR=LCD12864_EN;
    }
    void WriteData2(INT8U ucData)
    {
     LCD12864_SET=LCD12864_RS;
     LCD12864_CLR=LCD12864_RW;

     LCD12864_CLR=0xFF <<LCD12864_DAT_NO;
     LCD12864_SET=ucData<<LCD12864_DAT_NO;
     
     LCD12864_SET=LCD12864_EN;
     LCD12864_CLR=LCD12864_EN;

    }
    void CleanAll2(void)
    {
     INT8U page,lin;
     LCD12864_SET=LCD12864_CSA; 
     LCD12864_SET=LCD12864_CSB;
     for(page=0;page<8;page++)
     {
     
      vWriteCMD2(LCD_PAGE+page); 
      vWriteCMD2(LCD_LINE);  
      for(lin=0;lin<64;lin++)
       WriteData2(0x00);
     }
    }


    void LCDInit2(void)
    {
     LCD12864_SEL0 &=0x003FFFFF;
     LCD12864_DIR |=0x00FFF800;
     LCD12864_CLR |=0x00FFF800;
     vWriteCMD2(LCD_DispOn); 
     vWriteCMD2(LCD_STARTROW); 
     CleanAll2();
    }
    void writeByte(uint8 page,uint8 lin,uint8 ucData)

     
     if(lin/SINGLE_SCREEN_LINE==0)
     {
      LCD12864_SET=LCD12864_CSA;
      LCD12864_CLR=LCD12864_CSB;
     }
     else{
      LCD12864_CLR=LCD12864_CSA;
      LCD12864_SET=LCD12864_CSB;
     }

                 
     vWriteCMD2(LCD_PAGE+page);
     vWriteCMD2(LCD_LINE+lin%SINGLE_SCREEN_LINE);
     WriteData2(ucData);
    }
    INT32U snakemove(void)

     INT8U k=4;
     INT8U h=12;
     INT8U a=12;
     INT32U j,i=0;
     INT32U n=4;
        INT8U lin=0,page=0;
     INT8U empty[4]={0x00,0x00,0x00,0x00};
     INT8U snake[4]={0x0f,0x0f,0x0f,0x0f};
     INT8U snake1[12]={0x0f,0x0f,0x0f,0x0f,0x0f,0x0f,0x0f,0x0f,0x0f,0x0f,0x0f,0x0f};
     for(lin=0;lin<12;lin++)
      writeByte(page,lin,snake1[lin]);
     for(i=0;;i++)
     {
      if(n!=0)
      {
      for(lin=a;lin<a+k;lin++)
      {
       j=lin-h;
       writeByte(page,lin,snake[lin%k]);
       writeByte(page,j,empty[j%k]);
      }
      }
      else
      {
      for(lin=a;lin<a+k;lin++)
      {
       j=lin-h;
       writeByte(page,lin,snake[lin%k]);
       writeByte(page,lin+k,snake[lin%k]);
       writeByte(page,j,empty[j%k]);
      }
      lin=lin+4;
      h=h+4;
      }
      n--;
      lin=lin%128;
      a=lin;
      delay(200);
     }
     

     return 1;

    INT32S main()
    {

     LCDInit2(); 
     snakemove();
    }

    void delay(INT32U ms)
    {
      INT32U i=0;
      for(;ms>0;ms--)
      {
         for(i=0;i<2500;i++)
         {
           ;
           ;
           ;
           ;
         }
      }
    }

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  • 原文地址:https://www.cnblogs.com/xinweichen/p/2205838.html
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