I2CDevice.h

/*
 * I2CDevice.h
 *
 *  Created on: 9 fŽvr. 2013
 *  Author: Benjamin Navarro
 */

#ifndef I2CDEVICE_H_
#define I2CDEVICE_H_

#include <stm32f4xx.h>

class I2CDevice {
public:
    I2CDevice(I2C_TypeDef* I2C_Port, uint8_t address, uint32_t speed = 100000);
    virtual ~I2CDevice();

protected :
    void    WriteRegister(uint8_t reg, uint8_t value);
    void    WriteBuffer(uint8_t reg, uint8_t* buffer, uint8_t length);
    uint8_t ReadRegister(uint8_t reg);
    void    ReadBuffer(uint8_t reg, uint8_t* buffer, uint8_t length);

private:
    void    start(uint8_t direction);
    void    write(uint8_t data);
    uint8_t readAck();
    uint8_t readNack();
    void    stop();


    I2C_TypeDef*    I2C;
    uint8_t         slaveAddress;
};

#endif /* I2CDEVICE_H_ */