单片机课程设计出租车计价器设计+源代码 第3页

/*-----清屏：screen: 0-全屏,1-左屏,2-右-----*/
void LCD_Clr(uchar screen)
{ unsigned char i,j;
  Select_Screen(screen);
  for(i=0;i<8;i++)
      {Set_Line(i);
          for(j=0;j<128;j++)
             { Write_Dat(0x00); }
      }                                 
}

/*-----初始化LCD------*/
void LCD_Init(void)
{ uchar i=250;           //延时
while(i--);
Select_Screen(0);
Set_OnOff(0);            //关显示
LCD_Clr(0);              //清屏
Select_Screen(0);
Set_OnOff(1);            //开显示
Select_Screen(0);
Set_StartLine(0);        //开始行:0
}

// 在指定位置显示字符：x=0-120（字母、数字）/0-112（汉字），y=0-6                        
void Out_Char(uchar x, uchar y, bit mode, char *fmt)    //mode: 1 正常显示，0 反白显示
{
    int c1,c2,cData;
        uchar i=0,j,uLen;
        uchar k;
       
    uLen=strlen(fmt);

        while(i<uLen)
        {
                c1 = fmt[i];
                c2 = fmt[i+1];

                if(c1>=0 && c1<128  )// ASCII
                {               
                  if(c1 < 0x20)
                    {
                        swi本文来自辣.文,论-文·网原文请找腾讯32491.14tch(c1)
                        {
                            case 13:
                            case 10: // 回车或换行
                                i++;
                                                //if(y < (LCD_Y_MAX - (2 * HZ_CHR_毕业论文http://www.751com.cn/  HEIGHT)))
                        if (y<7)
                           {x=0;  y+=2;}
                                continue;
                            case 8: // 退格
                                                i++;
                                if(y>ASC_CHR_WIDTH) y-=ASC_CHR_WIDTH;
                                cData = 0x00;
                                break;
                        }
                    }

           for(j=0;j<sizeof(ASC_16)/sizeof(ASC_16[0]);j++)                           //sizeof(ASC_16[0]
                    {
                        if(fmt[i] == ASC_16[j].Index_Char[0])
                        break;
                    }

                    for(k=0;k<2*ASC_CHR_WIDTH;k++)
                    {
                      if(j < sizeof(ASC_16)/sizeof(ASC_16[0]))
                 {
                  if (mode == 1)                 
                     cData=ASC_16[j].Msk_Char[k];  //正常
                  else
                     cData=~ASC_16[j].Msk_Char[k];  //反白
                 }
              else        
                  cData=0;

              if (k<ASC_CHR_WIDTH)    //字符上半部
                 { if ((x+k)<64)
                      { Select_Screen(1);  //选择左半屏
                        Set_Column(x+k);
                      }
                   else
                      { Select_Screen(2);  //选择右半屏
                        Set_Column(x+k-64);
                      }
                   Set_Line(y);

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单片机课程设计出租车计价器设计+源代码 第3页下载如图片无法显示或论文不完整，请联系qq752018766