HMC5883 IIC测验程序

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// HMC5883 IIC测验程序// 运用单片机STC89C51 // 晶振：11.0592M// 显现：LCD1602// 编译环境 Keil uVision2// 参阅宏晶网站24c04通讯程序// 时刻：2011年3月1日//****************************************#include   #include      //Keil library  #include     //Keil library #include  #define   uchar unsigned char#define   uint unsigned int //运用的端口，请依照以下接线#define   DataPort P0 //LCD1602数据端口sbit SCL=P1^0;      //IIC时钟引脚界说sbit SDA=P1^1;      //IIC数据引脚界说sbit    LCM_RS=P2^0;   //LCD1602指令端口  sbit    LCM_RW=P2^1;   //LCD1602指令端口  sbit    LCM_EN=P2^2;   //LCD1602指令端口 #define SlaveAddress   0x3C   //界说器材在IIC总线中的从地址typedef unsigned char BYTE;typedef unsigned short WORD;BYTE BUF[8];                         //接纳数据缓存区       uchar ge,shi,bai,qian,wan;           //显现变量int  dis_data;                       //变量void delay(unsigned int k);void InitLcd();void Init_HMC5883(void);            //初始化5883void WriteDataLCM(uchar dataW);void WriteCommandLCM(uchar CMD,uchar Attribc);void DisplayOneChar(uchar X,uchar Y,uchar DData);void conversion(uint temp_data);void  Single_Write_HMC5883(uchar REG_Address,uchar REG_data);   //单个写入数据uchar Single_Read_HMC5883(uchar REG_Address);                   //单个读取内部寄存器数据void  Multiple_Read_HMC5883();                                  //接连的读取内部寄存器数据//以下是模仿iic运用函数-------------void Delay5us();void Delay5ms();void HMC5883_Start();void HMC5883_Stop();void HMC5883_SendACK(bit ack);bit  HMC5883_RecvACK();void HMC5883_SendByte(BYTE dat);BYTE HMC5883_RecvByte();void HMC5883_ReadPage();void HMC5883_WritePage();//-----------------------------------//*********************************************************void conversion(uint temp_data)  {  wan=temp_data/10000+0x30 ;temp_data=temp_data%10000;   //取余运算qian=temp_data/1000+0x30 ;temp_data=temp_data%1000;    //取余运算bai=temp_data/100+0x30   ;temp_data=temp_data%100;     //取余运算shi=temp_data/10+0x30    ;temp_data=temp_data%10;      //取余运算ge=temp_data+0x30;  }/*******************************/void delay(unsigned int k) {      unsigned int i,j;    for(i=0;i