i2cmasterhardware.h

Go to the documentation of this file.

 
#ifndef SEMF_COMMUNICATION_I2CMASTERHARDWARE_H_
#define SEMF_COMMUNICATION_I2CMASTERHARDWARE_H_
 
#include <semf/communication/i2c.h>
#include <semf/communication/communicationhardwaresynchronousmaster.h>
 
namespace semf
{
class I2cMasterHardware : public I2c, public CommunicationHardwareSynchronousMaster
{
public:
    enum class ErrorCode : uint8_t
    {
        Write_IsBusy = 0,
        Write_DataIsNullptr,
        Write_DataSizeIsZero,
        Read_IsBusy,
        Read_BufferIsNullptr,
        Read_BufferSizeIsZero,
        SetAddress_IsBusy
    };
 
    virtual ~I2cMasterHardware() = default;
 
    virtual void checkAddress(uint8_t address) = 0;
    void write(const uint8_t data[], size_t dataSize) override;
    void read(uint8_t buffer[], size_t bufferSize) override;
    bool isBusyReading() const override;
    bool isBusyWriting() const override;
    uint8_t address() const override;
    void setAddress(uint8_t address) override;
    void setFrame(CommunicationHardware::Frame frame) override;
 
    semf::Signal<> addressFound;
 
protected:
    void setBusy(bool isBusy);
    CommunicationHardware::Frame frame() const;
    virtual void writeHardware(const uint8_t data[], size_t dataSize) = 0;
    virtual void readHardware(uint8_t buffer[], size_t bufferSize) = 0;
    virtual void setFrequencyHardware(uint32_t hz) = 0;
    void onDataWritten();
    void onDataAvailable();
    void onError(Error thrown);
 
private:
    uint8_t m_address = 0;
    bool m_isBusy = false;
    CommunicationHardware::Frame m_frame = Frame::FirstAndLast;
    static constexpr Error::ClassID kSemfClassId = Error::ClassID::I2cMasterHardware;
};
} /* namespace semf */
#endif /* SEMF_COMMUNICATION_I2CMASTERHARDWARE_H_ */