i2c_master.h

来自「MSP430F413和ADS1100的接口源码」· C头文件 代码 · 共 22 行

//------------------------------------------------------------------------------
// I2C_Master.h - Header file for I2C_Master.s43
//------------------------------------------------------------------------------
#ifndef I2CMASTER_H
#define I2CMASTER_H
//------------------------------------------------------------------------------
#define PI2C_DIR    P2DIR                    // Define the port where the
#define PI2C_OUT    P2OUT                    // I2C lines are connected to
#define PI2C_IN     P2IN
#define SDA         (0x01)                   // Px.0 controls SDA line (pull-up)
#define SCL         (0x02)                   // Px.1 controls SCL line (pull-up)
//------------------------------------------------------------------------------
// Exported functions (for use with C)
//------------------------------------------------------------------------------
#ifdef __STDC__
extern void I2CSetup(void);
extern unsigned int I2CRead16(unsigned char Addr);
extern void I2CWrite8(unsigned char Addr, unsigned char Data);
#endif
//------------------------------------------------------------------------------
#endif