?? msp430i2c.h
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#ifndef __MSP430I2C_H__
#define __MSP430I2C_H__
//定義IIC端口
#define IIC_DIR P3DIR
#define IIC_OUT P3OUT
#define IIC_IN P3IN
#define IIC_SCL BIT4 //SCL定義
#define IIC_SDA BIT5 //SDA定義
//定義SDA和SCL德工作方式
#define S_SDA IIC_OUT |= IIC_SDA //sda置位
#define S_SCL IIC_OUT |= IIC_SCL
#define C_SDA IIC_OUT &= ~IIC_SDA
#define C_SCL IIC_OUT &= ~IIC_SCL //scl復位
#define SDA_IN IIC_DIR &= ~IIC_SDA //設置SDA為輸入
#define SDA_OUT IIC_DIR |= IIC_SDA
#define READ_SDA ( IIC_IN & IIC_SDA) //讀SDA電平
extern void InitIIC();
extern unsigned char I2CReadStr(unsigned char DeviceAddr, unsigned char DataAddr, unsigned char *data,unsigned char len);
extern unsigned char I2CWriteStr(unsigned char DeviceAddr, unsigned char DataAddr, unsigned char *data,unsigned char len);
#endif
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