// HMC5883 IIC測試程序// 使用單片機(jī)STC89C51 // 晶振：11.0592M// 顯示：LCD1602// 編譯環(huán)境 Keil uVision2// 參考宏晶網(wǎng)站24c04通信程序// 時(shí)間：2011年3月1日//****************************************#include   #include      //Keil library  #include     //Keil library #include  #define   uchar unsigned char#define   uint unsigned int //使用的端口，請(qǐng)按照以下接線#define   DataPort P0 //LCD1602數(shù)據(jù)端口sbit SCL=P1^0;      //IIC時(shí)鐘引腳定義sbit SDA=P1^1;      //IIC數(shù)據(jù)引腳定義sbit    LCM_RS=P2^0;   //LCD1602命令端口  sbit    LCM_RW=P2^1;   //LCD1602命令端口  sbit    LCM_EN=P2^2;   //LCD1602命令端口 #define SlaveAddress   0x3C   //定義器件在IIC總線中的從地址typedef unsigned char BYTE;typedef unsigned short WORD;BYTE BUF[8];                         //接收數(shù)據(jù)緩存區(qū)       uchar ge,shi,bai,qian,wan;           //顯示變量int  dis_data;                       //變量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);   //單個(gè)寫入數(shù)據(jù)uchar Single_Read_HMC5883(uchar REG_Address);                   //單個(gè)讀取內(nèi)部寄存器數(shù)據(jù)void  Multiple_Read_HMC5883();                                  //連續(xù)的讀取內(nèi)部寄存器數(shù)據(jù)//以下是模擬iic使用函數(shù)-------------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;   //取余運(yùn)算qian=temp_data/1000+0x30 ;temp_data=temp_data%1000;    //取余運(yùn)算bai=temp_data/100+0x30   ;temp_data=temp_data%100;     //取余運(yùn)算shi=temp_data/10+0x30    ;temp_data=temp_data%10;      //取余運(yùn)算ge=temp_data+0x30;  }/*******************************/void delay(unsigned int k) {      unsigned int i,j;    for(i=0;i
				
            

				
					
					
				
			
                
			
							

                
			            

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