DrvI2cMaster.hpp

//------------------------------------------------------------------------------
//This file is part of embKernel. 
//See license.txt for the full license governing this code.
//------------------------------------------------------------------------------

#ifndef DRV_I2C_MASTER_HPP_
#define DRV_I2C_MASTER_HPP_

#include "DrvCfg.hpp"
#include "DrvTypes.hpp"
#include "RtosSemaphore.hpp"
#include "RtosInterrupt.hpp"

class DrvI2cMaster {
    friend class RtosInterrupt;
private:
    static DrvI2cMaster* sInstances[];
    RtosSemaphore mSema;
    I2C_TypeDef* mI2c;
    uint16_t mSlaveAddr;
    const uint8_t* mSrc;
    int mSrcLen;
    uint8_t* mDst;
    int mDstLen;
    bool mResult;
    void onEvent();
    void onError();
public:
    DrvI2cMaster();
    void init(DrvTypes::I2C port);
    void setSlaveAddr(uint16_t slaveAddr);
    bool readWrite(const uint8_t* src, int srcLen, uint8_t* dst, int dstLen);
};

#endif /* DRV_I2C_MASTER_HPP_ */