?? i2c.h
字號:
#ifndef __I2C_H
#define __I2C_H
unsigned char I2CWrMem(unsigned char,unsigned char,unsigned char *);
unsigned I2CRdMem(unsigned char,unsigned char,unsigned char *);
unsigned I2CWrByte(unsigned char,unsigned char);
unsigned I2CRdByte(unsigned char, unsigned char *);
void I2CDelay(unsigned char);
unsigned char AddrSetting(unsigned char,unsigned char,unsigned char);
#define FAILURE 1
#define SUCCESS 0
//SDA p3.1 SDA
//SCK P3.3 SCK
#define I2C_EN P3SEL &=0xF5
#define SCK_HIGH P3OUT |=0x08
#define SCK_LOW P3OUT &=0xF7
#define SDA_HIGH P3OUT |=0x02
#define SDA_LOW P3OUT &=0xFD
#define CHK_SCK P3IN & 0x08
#define CHK_SDA P3IN & 0x02
#define I2C_OUT P3DIR |=0x0A
#define I2C_IN P3DIR &=0xFD
//P1.6 I2C Interrupt
#define CHK_I2C P1IN & 0x02
#define I2CDLY 10
#endif
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