Rs485.hpp

Go to the documentation of this file.

#ifndef INCLUDE_DISTORTOS_DEVICES_COMMUNICATION_RS485_HPP_
#define INCLUDE_DISTORTOS_DEVICES_COMMUNICATION_RS485_HPP_

#include "distortos/devices/communication/SerialPort.hpp"

namespace distortos
{

namespace devices
{

class OutputPin;

class Rs485 : public SerialPort
{
public:

    constexpr Rs485(UartLowLevel& uart, void* const readBuffer, const size_t readBufferSize, void* const writeBuffer,
            const size_t writeBufferSize, OutputPin& driverEnablePin, const bool driverEnabledState) :
                    SerialPort{uart, readBuffer, readBufferSize, writeBuffer, writeBufferSize},
                    driverEnablePin_{driverEnablePin},
                    driverEnabledState_{driverEnabledState}
    {

    }

    ~Rs485();

protected:

    void transmitCompleteEvent() override;

    void transmitStartEvent() override;

private:

    void enableDriver(bool enable) const;

    OutputPin& driverEnablePin_;

    bool driverEnabledState_;
};

}   // namespace devices

}   // namespace distortos

#endif  // INCLUDE_DISTORTOS_DEVICES_COMMUNICATION_RS485_HPP_