SpiDeviceSelectGuard.hpp

Go to the documentation of this file.

#ifndef INCLUDE_DISTORTOS_DEVICES_COMMUNICATION_SPIDEVICESELECTGUARD_HPP_
#define INCLUDE_DISTORTOS_DEVICES_COMMUNICATION_SPIDEVICESELECTGUARD_HPP_

#include "distortos/devices/io/OutputPin.hpp"

namespace distortos
{

namespace devices
{

class SpiDeviceSelectGuard
{
public:

    explicit SpiDeviceSelectGuard(OutputPin& slaveSelectPin) :
            slaveSelectPin_{slaveSelectPin}
    {
        slaveSelectPin_.set(false);
    }

    ~SpiDeviceSelectGuard()
    {
        slaveSelectPin_.set(true);
    }

    SpiDeviceSelectGuard(const SpiDeviceSelectGuard&) = delete;
    SpiDeviceSelectGuard& operator=(const SpiDeviceSelectGuard&) = delete;

private:

    OutputPin& slaveSelectPin_;
};

}   // namespace devices

}   // namespace distortos

#endif  // INCLUDE_DISTORTOS_DEVICES_COMMUNICATION_SPIDEVICESELECTGUARD_HPP_