上代碼：

/* FILE 24C.CWrite by 萬致遠*/#include #include #include #include #include <24c.h>#define AT24C02_DeviceAdd_W 0xa0	//器件地址(寫)#define AT24C02_DeviceAdd_R 0xa1	//器件地址(讀)#define ADD_TYPE_8	0#define ADD_TYPE_16	1#define AT24C01		0#define AT24C02		1#define AT24C04		2#define AT24C08		3#define AT24C16		4#define AT24C32		5#define AT24C64		6#define AT24C128	7#define AT24C256	8#define AT24C512	9#define AT24C1024	10#define SCAN_ERROR	0xFFULONG __code Length_Chip[11]={0x7f,0xff,0x1ff,0x3ff,0xfff,0x7ff,0x1fff,0x3fff,0x7fff,0xffff,0x1ffff};//各類ROM的容量表～	BYTE __code TEST_DATA[2]={0xAA,0xBB};	//測試數(shù)據(jù)#define W_DELAY 4   //4 ms DELAY 		//----------------------------------------------//24C操作函數(shù)，頁寫。//IIC_ADDR器件地址//Address 16BIT地址//TYPE	地址模式//Data指針//Len長度//本函數(shù)不支持翻頁，請自行翻頁，控制IIC_AddrBOOL RW24(BYTE IIC_Addr,UINT Address,BOOL Type,BYTE *Data,BYTE Len){BYTE i=0;//----------------------------選中芯片程序開始-----------I2C_Start();	// 啟動I2C總線I2C_Write8Bit(IIC_Addr & 0xFE);					// 發(fā)送器件地址(寫)1111 1110if( I2C_Check_Ack() == 0 )                		// 檢測從機應(yīng)答{I2C_Stop();return 0;	  }if (Type==ADD_TYPE_8){//8位地址的話I2C_Write8Bit(Address);   				// 發(fā)送將要處理的數(shù)據(jù)的地址，8位}else{//16位地址的話I2C_Write8Bit(((Address & 0xFF00)>>8));			//發(fā)送高八位地址if( I2C_Check_Ack() == 0 )                		// 檢測從機應(yīng)答{I2C_Stop();return 0;	  }I2C_Write8Bit((Address & 0xFF));	//低八位地址發(fā)送}if( I2C_Check_Ack() == 0 )                		// 檢測從機應(yīng)答{I2C_Stop();return 0;	  }//---------------------------------結(jié)束-------------------if((IIC_Addr & 0x01)==1){//是讀操作*Data=0xFF;									//FF=NULLI2C_Start();				         		// 再次啟動IIC總線I2C_Write8Bit(IIC_Addr);					//發(fā)送讀出地址if( I2C_Check_Ack() == 0 )                // 檢測從機應(yīng)答{I2C_Stop();return 0;	  }*Data = I2C_Read8Bit();		         	   // 讀取第一個數(shù)據(jù)Data++;for(i=1;i
				
            

				
					
					
				
			
                
			
							

                
			            

                            	              		              		上一頁
              		1
              		              			              		              	              				              				2
              					              						              						              				下一頁