24c02.h

MSP430开发的使用PID算法温度控制程序 本程序通过485总线与上位机通信发送和接受命令

/***********************************************************
   header file for operation at24c02
***********************************************************/

#ifndef _24C02_H_
#define _24C02_H_
#define DEVICE_W     0xA0
#define DEVICE_R     0xA1
#define MAX_AT2402   0x08
/***********************************************************
*   write one byte        
*   input parameter: 1r:address   2 :pointer of data                            
*   output parameter: 0:failed 1:success                                                    
***********************************************************/
unsigned char WriteByte(unsigned int addr,unsigned char *pbuf);
/***********************************************************
*   write byte more than one        
*   input parameter: 1:address   2:buffer pointer of data  3: size by writing                          
*   output parameter: 0:failed 1:success  
*   attention the num must be less than device max writen num                                                  
***********************************************************/
unsigned char WritePage(unsigned int addr,unsigned char *pbuf,unsigned int num);
/***********************************************************
*   Read one byte        
*   input parameter: 1r:address   2 :pointer of data   
*   output parameter: 0:failed 1:success                                                                               
***********************************************************/
unsigned char ReadByte(unsigned int addr,unsigned char *pbuf);
/***********************************************************
*   Read byte  more than one    
*   input parameter: 1r:address   2 :pointer of data     3:size by reading 
*   output parameter: 0:failed 1:success                                             
***********************************************************/
unsigned char ReadSeq(unsigned int addr,unsigned char *pbuf,unsigned int num);
#endif