Method Open

cpp/src/platform/winRT/SerialControllerImpl.cpp:76–169

----------------------------------------------------------------------------- Open the serial port -----------------------------------------------------------------------------

// Open the serial port
//-----------------------------------------------------------------------------
bool SerialControllerImpl::Open()
{
	Log::Write(LogLevel_Info, "Trying to open serial port %s", m_owner->m_serialControllerName.c_str());

	try
	{
		auto selector = SerialDevice::GetDeviceSelector();

		return create_task(DeviceInformation::FindAllAsync(selector))
			.then([this](DeviceInformationCollection ^ devices) -> IAsyncOperation<SerialDevice ^> ^
		{
			wstring ourId(m_owner->m_serialControllerName.begin(), m_owner->m_serialControllerName.end());
			for (auto iterator = devices->First(); iterator->HasCurrent; iterator->MoveNext())
			{
				wstring currentId = iterator->Current->Id->Data();
				if (currentId.find(ourId) != wstring::npos)
				{
					return SerialDevice::FromIdAsync(iterator->Current->Id);
				}
			}
			return create_async([]() -> SerialDevice ^ { return nullptr; });

		}).then([this](SerialDevice ^ device) -> bool
		{
			if (device == nullptr)
			{
				return false;
			}
			m_serialDevice = device;

			m_serialDevice->BaudRate = m_owner->m_baud;
			m_serialDevice->DataBits = 8;
			switch (m_owner->m_stopBits)
			{
			case SerialController::StopBits::StopBits_One:
			{
				m_serialDevice->StopBits = SerialStopBitCount::One;
				break;
			}
			case SerialController::StopBits::StopBits_OneAndAHalf:
			{
				m_serialDevice->StopBits = SerialStopBitCount::OnePointFive;
				break;
			}
			case SerialController::StopBits::StopBits_Two:
			{
				m_serialDevice->StopBits = SerialStopBitCount::Two;
				break;
			}
			}

			switch (m_owner->m_parity)
			{
			case SerialController::Parity::Parity_Even:
			{
				m_serialDevice->Parity = SerialParity::Even;
				break;
			}