#include<AT89x51.H>//器件配置文件#include<intrins.h>#defineRXP2_7#defineTXP2_6#defineLCM_RWP3_4//定义LCD引脚#defineLCM_RSP3_3#defineLCM_EP3_5#defineLCM_DataP1#defineKey_DataP2_0//定义Keyboard引脚#defineKey_CLKP3_2#defineBusy0x80//用于检测LCM状态字中的Busy标识voidLCMInit(void);voidDisplayOneChar(unsignedcharX,unsignedcharY,unsignedcharDData);voidDisplayListChar(unsignedcharX,unsignedcharY,unsignedcharcode*DData);voidDelay5Ms(void);voidDelay400Ms(void);voidDecode(unsignedcharScanCode);voidWriteDataLCM(unsignedcharWDLCM);voidWriteCommandLCM(unsignedcharWCLCM,BuysC);unsignedcharReadDataLCM(void);unsignedcharReadStatusLCM(void);unsignedcharcodemcustudio[]={"mcustudio.com.cn"};unsignedcharcodeemail[]={"fhwxaoo@163.com"};unsignedcharcodeCls[]={""};unsignedcharcodeASCII[15]={'0','1','2','3','4','5','6','7','8','9','.','-','M'};staticunsignedcharDisNum=0;//显示用指针unsignedinttime=0;unsignedlongS=0;bitflag=0;unsignedchardisbuff[4]={0,0,0,0,};//写数据voidWriteDataLCM(unsignedcharWDLCM){ReadStatusLCM();//检测忙LCM_Data=WDLCM;LCM_RS=1;LCM_RW=0;LCM_E=0;//若晶振速度太高可以在这后加小的延时LCM_E=0;//延时LCM_E=1;}//写指令voidWriteCommandLCM(unsignedcharWCLCM,BuysC)//BuysC为0时忽略忙检测{if(BuysC)ReadStatusLCM();//根据需要检测忙LCM_Data=WCLCM;LCM_RS=0;LCM_RW=0;LCM_E=0;LCM_E=0;LCM_E=1;}//读数据unsignedcharReadDataLCM(void){LCM_RS=1;LCM_RW=1;LCM_E=0;LCM_E=0;LCM_E=1;return(LCM_Data);}//读状态unsignedcharReadStatusLCM(void){LCM_Data=0xFF;LCM_RS=0;LCM_RW=1;LCM_E=0;LCM_E=0;LCM_E=1;while(LCM_Data&Busy);//检测忙信号return(LCM_Data);}voidLCMInit(void)//LCM初始化{LCM_Data=0;WriteCommandLCM(0x38,0);//三次显示模式设置，不检测忙信号Delay5Ms();WriteCommandLCM(0x38,0);Delay5Ms();WriteCommandLCM(0x38,0);Delay5Ms();WriteCommandLCM(0x38,1);//显示模式设置,开始要求每次检测忙信号WriteCommandLCM(0x08,1);//关闭显示WriteCommandLCM(0x01,1);//显示清屏WriteCommandLCM(0x06,1);//显示光标移动设置WriteCommandLCM(0x0F,1);//显示开及光标设置}//按指定位置显示一个字符voidDisplayOneChar(unsignedcharX,unsignedcharY,