Program Listing for File serial.hpp

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#ifndef LIBCAER_DEVICES_SERIAL_HPP_
#define LIBCAER_DEVICES_SERIAL_HPP_

#include "../../libcaer/devices/serial.h"

#include "device.hpp"

namespace libcaer {
namespace devices {

class serial : public device {
protected:
    serial(uint16_t deviceID, uint16_t deviceType, const std::string &serialPortName, uint32_t serialBaudRate) {
        caerDeviceHandle h = caerDeviceOpenSerial(deviceID, deviceType, serialPortName.c_str(), serialBaudRate);

        // Handle constructor failure.
        if (h == nullptr) {
            std::string exc = "Failed to open serial port device, id=" + std::to_string(deviceID)
                              + ", type=" + std::to_string(deviceType) + ", portName=" + serialPortName
                              + ", baudRate=" + std::to_string(serialBaudRate) + ".";
            throw std::runtime_error(exc);
        }

        // Use stateless lambda for shared_ptr custom deleter.
        auto deleteDeviceHandle = [](caerDeviceHandle cdh) {
            // Run destructor, free all memory.
            // Never fails in current implementation.
            caerDeviceClose(&cdh);
        };

        handle = std::shared_ptr<struct caer_device_handle>(h, deleteDeviceHandle);
    }
};
} // namespace devices
} // namespace libcaer

#endif /* LIBCAER_DEVICES_SERIAL_HPP_ */