双单片机通信接收端显示（用1602）出错 -

标题: 双单片机通信接收端显示（用1602）出错 [打印本页]

作者: hary 时间: 2012-12-5 20:45
标题: 双单片机通信接收端显示（用1602）出错

  #include<reg51.h>      //主机发送
#include<intrins.h>
#define lcddate P0
#define unint unsigned int
#define unchar unsigned char
sbit EN=P2^0; /*使能*/
sbit RW=P2^1; /*读/写*/
sbit RS=P2^2; /*寄存器选择*/
unchar code table[7]="FM 10.6"; /*显示内容*/
unchar code table1[12]="voice*1*****";
unchar rxbuf=0;
void main()
{unchar m,n;
   void lcd_init(void);
   void lcd_wcom(unchar com);
      void lcd_wdate(unchar date);
   void ms_delay(unint delaytime);
   TMOD=0X20;
   PCON&=0X7F;
   SCON=0xd0;
   TH1=0XF0;//9600@11.0592MHZ
   TL1=0xfd;
   TR1=1;
   ES=1;
   EA=1;
   lcd_init();
   lcd_wcom(0x80);
   for(m=0;m<7;m++)
       {lcd_wdate(table[m]);}//数组做函数参数
    ms_delay(1);
   lcd_wcom(0x80+0x40);
   for(n=0;n<12;n++)
       {lcd_wdate(table1[n]);}
         while(1);
}
/*-----------------------------------------------*/
void lcd_init() /*LCD intiation*/
{lcd_wcom(0x38);
   lcd_wcom(0x0c);
   lcd_wcom(0x06);
   lcd_wcom(0x01);
   }
   /*--------------------------------------------*/
void lcd_wcom(unchar com)/*com regester*/
{RW=0;
   RS=0;
   lcddate=com;
   SBUF=com;
      ms_delay(1);
   EN=1;
   _nop_();
   _nop_();
   EN=0;
}
/*-----------------------------------------------*/
void lcd_wdate(unchar date)/*date regester*/
{RW=0;
RS=1;
lcddate=date;
SBUF=date;
ms_delay(1);
EN=1;
   _nop_();
   _nop_();
   EN=0;
}
/*----------------------------------------------*/
void UART()interrupt 4 using 0//TX
{if(TI){
ms_delay(1);
TI=0;}//发送数据
}

/*接收端*/

#include<reg51.h>
#include<intrins.h>
#define unint unsigned int
#define unchar unsigned char
#define lcddate P2
sbit EN=P3^7; /*使能*/
sbit RW=P3^6; /*读/写*/
sbit RS=P3^5; /*寄存器选择*/

unchar rxbuf=0;
void main()
{
      void lcd_init(void);
   void lcd_wcom(unchar com);
      void lcd_wdate(unchar date);
   void ms_delay(unint delaytime);
   TMOD=0X20;
   PCON&=0X7F;
   SCON=0xd0;
   TH1=0Xfd;//9600@11.0592MHZ
   TL1=0xfd;
   TR1=1;
   ES=1;
   EA=1;
   RI=1;
   while(1);
   }
/*----------------------------------------------*/
   void UART()interrupt 4
   { unchar m=0;
      while(RI){RI=0;       //先请中断标志？？
            lcd_init();
                  m++;
      if (m<=7)
                  {rxbuf=SBUF;
      lcd_wcom(0x80);
      lcd_wdate(rxbuf);}
      else{
                  lcd_wcom(0xc0);
                  rxbuf=SBUF;
      lcd_wdate(rxbuf);}
      }
   }
/*-----------------------------------------------*/
void lcd_init() /*LCD intiation*/
{lcd_wcom(0x38); //八位数据，双列
   lcd_wcom(0x0c);
   lcd_wcom(0x06);
   lcd_wcom(0x01);
   }
   /*--------------------------------------------*/
void lcd_wcom(unchar com)/*com regester*/
{RW=0;
   RS=0;
   lcddate=com;
      ms_delay(1);
   EN=1;
   _nop_();
   _nop_();
   EN=0;
}
/*-----------------------------------------------*/
void lcd_wdate(unchar date)/*date regester*/
{
RW=0;
RS=1;
lcddate=date;//date 是否还需申明呢？
ms_delay(1);
EN=1;
   _nop_();
   _nop_();
   EN=0;
}

欢迎光临 (http://www.51hei.com/bbs/)