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RS232接口與單片機(jī)通訊，帶觸摸屏帶字庫(kù)，可顯示漢字和圖片，適合做智能儀表，電力設(shè)備，模擬表盤(pán)等顯示終端
//----------------------------------------------------
//STC12C2052   22.1184MHZ
//EKTC52A
//需要代碼請(qǐng)Mail到caoyi_027@163.com
//----------------------------------------------------
//Includes
//----------------------------------------------------
#include<reg52.h>
//----------------------------------------------------
//sbit Definitions
//----------------------------------------------------
sbit  LED=P0^0;
//----------------------------------------------------
//Glpbal CONSTANTS
//----------------------------------------------------
#define   SYSCLK      22118400                   //SYSCLK frequency in hz
#define   BAUD_RATE   115200                 //波特率
#define   uchar       unsigned char
#define   unit        unsigned int

//----------------------------------------------------
//Function PROTOTYPES
//----------------------------------------------------

Void Uart0_transmit(unsigned char i);       //聲明串口子函數(shù)
Void send_str(unsigned char*p,unsigned char s)    ; //聲明發(fā)送字符串子函數(shù)
Void delay_ms(unsigned char n);                  //聲明延時(shí)子函數(shù)
Void Sysinit(Void);                              //聲明系統(tǒng)初始化子函數(shù)
Void Wenbenchange1(void);                        //聲明發(fā)送文本子函數(shù)
//----------------------------------------------------
//Uart0_transmit
//----------------------------------------------------
void uart0_transmit(unsigned char i)             //想串口發(fā)送一個(gè)字節(jié)
{
              ES=0;
              TI=0
              SBUF=i;                               //發(fā)送數(shù)據(jù)到uart0
              whlie(!TI);                           //等待發(fā)送1字節(jié)數(shù)據(jù)完成
              TI=0;                                   //消除中斷標(biāo)志
              ES=1；
  }
  void send_str(unsigned char *p,unsigned char s)  //向串口發(fā)送一個(gè)數(shù)據(jù)串
  {
              unsigned char m;
              for(m=0;m<s;m++)
              {
                   Uart0_transmit(*p)；
                   p++;
               }
   }
   //--------------------------------------------------
   //delay
   //--------------------------------------------------

   void delay_ms(unsigned char n)
   {
             int i,j;
             for(i=1000;i>0;i--);
             {
             for(j=25*n;j>0;j--);
             }
   }
   //--------------------------------------------------
   //sysinit
   //--------------------------------------------------
   void sysinit(void)
   {
              PCON I=0x80;
              SCON=0x50;
              TMOD=0x21;
              TH1=255;
              TL1=255;
              TR1=1;
              ES=0;
              TH0=0xB8;
              TL0=0x00;
              TR0=1;
              ET0=1;
   }
   //--------------------------------------------------
   //WenbenChange
   //--------------------------------------------------

   void WenbenChange1(void)
   {
   uchar wenben1[30]={0xAA 0x53 0x00 0x00 0x00 0x00 0xCE                       0xE4 0xBA 0xBA 0xB9 0xC8 0xF6 0xCE
                      0xBF 0xC6 0xBC 0xBC 0xD3 0xD0 0xCF
                      0xDE 0xB9 0xAB 0xCB 0xBE 0xCC 0x33 0xC3 //顯示的漢字為“武漢谷鑫科技有限公司”
               send_str(wenben1,30);
               delay_ms(100);
    }
    //---------------------------------------------
    //main()Routine
    //---------------------------------------------

    int main(void)
    {
               EA=0;//關(guān)中斷
               Sysinit();
               EA=1;//開(kāi)中斷
              
        delay_ms(40);
        
        while(1)
        {
               delay_ms(100);
               wenbenchange1();
        }
               return 0;
    }
    //---------------------------------------------
    //End Of File
    //---------------------------------------------                      

稍后放照片上面 看看效果  

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3Q

      

www.mcutech.cn

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武漢谷鑫科技

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