壓縮包中的內容：

上位機以及完整程序在文件夾中，大家可自己下載
地址是：http://www.51hei.com/bbs/dpj-19033-1.html

下面是接受端的源代碼：
#include
#include "string.h"

//液晶塊
#define LCM_RW P3_6 //定義引腳
#define LCM_RS P3_5
#define LCM_E P3_7
#define LCM_Data P1
#define Busy 0x80 //用于檢測LCM狀態(tài)字中的Busy標識
typedef int byte;
typedef unsigned int word;

void Read_Temp(void);
void mychar(char,char);

void WriteDataLCM(unsigned char WDLCM);
void WriteCommandLCM(unsigned char WCLCM,BuysC);
unsigned char ReadDataLCM(void);
unsigned char ReadStatusLCM(void);
void LCMInit(void);
void DisplayOneChar(unsigned char X, unsigned char Y, unsigned char DData);
void DisplayListChar(unsigned char X, unsigned char Y, unsigned char code *DData);
void Delay5Ms(void);
void Delay400Ms(void);

void delay(word useconds)
{
for(;useconds>0;useconds--);
}

void mychar(char xx,char yy)
{

DisplayOneChar(0,0,0x54);
DisplayOneChar(1,0,0x65);
DisplayOneChar(2,0,0x6D);
DisplayOneChar(3,0,0x70);
DisplayOneChar(4,0,0x65);
DisplayOneChar(5,0,0x72);
DisplayOneChar(6,0,0x61);
DisplayOneChar(7,0,0x74);
DisplayOneChar(8,0,0x75);
DisplayOneChar(9,0,0x72);
DisplayOneChar(10,0,0x65);
DisplayOneChar(11,0,0x3A);
///////////////////////自定義字符
WriteCommandLCM(0x48, 0); //第一行
WriteDataLCM(0x06);
WriteCommandLCM(0x49, 0); //第2行
WriteDataLCM(0x09);
WriteCommandLCM(0x4a, 0); //第3
WriteDataLCM(0x09);
WriteCommandLCM(0x4b, 0); //第4
WriteDataLCM(0x06);
WriteCommandLCM(0x4c, 0); //第5
WriteDataLCM(0x00);
WriteCommandLCM(0x4d, 0); //第6
WriteDataLCM(0x00);
WriteCommandLCM(0x4e, 0); //第7
WriteDataLCM(0x00);
WriteCommandLCM(0x4f, 0); //第8
WriteDataLCM(0x00);
DisplayOneChar(xx,yy,0x01);
DisplayOneChar(xx+1,yy,0x43);
}
//寫數(shù)據(jù)
void WriteDataLCM(unsigned char WDLCM)
{
ReadStatusLCM(); //檢測忙
LCM_Data = WDLCM;
LCM_RS = 1;
LCM_RW = 0;
LCM_E = 0; //若晶振速度太高可以在這后加小的延時
LCM_E = 0; //延時
LCM_E = 1;
}

//寫指令
void WriteCommandLCM(unsigned char WCLCM,BuysC) //BuysC為0時忽略忙檢測
{
if (BuysC) ReadStatusLCM(); //根據(jù)需要檢測忙
LCM_Data = WCLCM;
LCM_RS = 0;
LCM_RW = 0;
LCM_E = 0;
LCM_E = 0;
LCM_E = 1;
}

//讀狀態(tài)
unsigned char ReadStatusLCM(void)
{
LCM_Data = 0xFF;
LCM_RS = 0;
LCM_RW = 1;
LCM_E = 0;
LCM_E = 0;
LCM_E = 1;
while (LCM_Data & Busy); //檢測忙信號
return(LCM_Data);
}

void LCMInit(void) //LCM初始化
{
LCM_Data = 0;
WriteCommandLCM(0x38,0); //三次顯示模式設置，不檢測忙信號
Delay5Ms();
WriteCommandLCM(0x38,0);
Delay5Ms();
WriteCommandLCM(0x38,0);
Delay5Ms();

WriteCommandLCM(0x38,1); //顯示模式設置,開始要求每次檢測忙信號
WriteCommandLCM(0x08,1); //關閉顯示
WriteCommandLCM(0x01,1); //顯示清屏
WriteCommandLCM(0x06,1); // 顯示光標移動設置
WriteCommandLCM(0x0C,1); // 顯示開及光標設置
}

//按指定位置顯示一個字符
void DisplayOneChar(unsigned char X, unsigned char Y, unsigned char DData)
{
Y &= 0x1;
X &= 0xF; //限制X不能大于15，Y不能大于1
if (Y) X |= 0x40; //當要顯示第二行時地址碼+0x40;
X |= 0x80; //算出指令碼
WriteCommandLCM(X, 0); //這里不檢測忙信號，發(fā)送地址碼
WriteDataLCM(DData);
}

//按指定位置顯示一串字符 ***原來的遇到空格0x20就不顯示***
void DisplayListChar(unsigned char X, unsigned char Y, unsigned char code *DData)
{
unsigned char ListLength,j;
ListLength = strlen(DData);
Y &= 0x1;
X &= 0xF; //限制X不能大于15，Y不能大于1
if (X <= 0xF) //X坐標應小于0xF
{
for(j=0;j {
DisplayOneChar(X, Y, DData[j]); //顯示單個字符
X++;
}
}
}

//5ms延時
void Delay5Ms(void)
{
unsigned int TempCyc = 5552;
while(TempCyc--);
}

//400ms延時
void Delay400Ms(void)
{
unsigned char TempCycA = 5;
unsigned int TempCycB;
while(TempCycA--)
{
TempCycB=7269;
while(TempCycB--);
};
}