RS232接口與單片機(jī)通訊,帶觸摸屏帶字庫,可顯示漢字和圖片,適合做智能儀表,電力設(shè)備,模擬表盤等顯示終端
//----------------------------------------------------
 //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;//開中斷               
        delay_ms(40);        
        while(1)
        {
               delay_ms(100);
               wenbenchange1();
        }
               return 0;
    }
    //---------------------------------------------
    //End Of File
    //---------------------------------------------