i2c.h

来自「I2C slaver 的8051源码」· C头文件 代码 · 共 32 行

#ifndef   __i2c_H__
#define   __i2c_H__
#define  I2C_INPUT	     1
#define  I2C_OUTPUT	     0
#define  I2C_WRITE	     0x00
#define  I2C_READ	     0x01
#define  A24C02_WRITE    0xA0
#define  A24C02_READ     0xA1

#define  TDA7315_WRITE   0x80
#define  LOUDNESSON      0x40
#define  LOUDNESSOFF     0x44


#define  I2C_ERROR	     0
#define  I2C_OK          1
#define  I2C_LAST	     FALSE
#define  I2C_MORE	     TRUE
void  I2C_TxData(BYTE i2c_data);
void  I2C_Start(void);
void  I2C_Stop(void);
void  I2C_SetAddr (BYTE i2c_addr);
void  I2C_PutByte(BYTE DevAddr,BYTE subAddr, BYTE ucData);
BYTE  I2C_GetByte(BYTE DevAddr,BYTE subAddr);
void  I2C_ChangeVol(BYTE DevAddr,BYTE ucData);
//void  I2C_PutString(BYTE DevAddr,BYTE subAddr, BYTE *str, BYTE length);
//void  I2C_GetString(BYTE DevAddr,BYTE subAddr, BYTE *str, BYTE number);
BYTE I2C_RxData (void);
void I2C_nAck (void);
#endif