Method internalOpenPort

external/floppybridge/src/ArduinoInterface.cpp:449–502

Attempts to verify if the reader/writer is running on this port

// Attempts to verify if the reader/writer is running on this port
DiagnosticResponse ArduinoInterface::internalOpenPort(const std::wstring& portName, bool enableCTSflowcontrol, bool triggerReset, std::string& versionString, SerialIO& port) {
	switch (port.openPort(portName)) {
	case SerialIO::Response::rInUse:return DiagnosticResponse::drPortInUse;
	case SerialIO::Response::rNotFound:return DiagnosticResponse::drPortNotFound;
	case SerialIO::Response::rOK: break;
	default: return DiagnosticResponse::drPortError;
	}

	// Configure the port
	SerialIO::Configuration config;
	config.baudRate = 2000000;
	config.ctsFlowControl = enableCTSflowcontrol;

	if (port.configurePort(config) != SerialIO::Response::rOK)
	{
		port.closePort();
		return DiagnosticResponse::drPortError;
	}

	port.setBufferSizes(16, 16);
	port.setReadTimeouts(10, 250);
	port.setWriteTimeouts(2000, 200);

	// Try to get the version
	DiagnosticResponse response = attemptToSync(versionString, port);
	if (response != DiagnosticResponse::drOK) {
		// It failed. Issue a reset if we're allowed and try again
		if (triggerReset) {
			port.setDTR(false);
			port.setRTS(false);
			std::this_thread::sleep_for(std::chrono::milliseconds(10));
			port.setDTR(true);
			port.setRTS(true);
			std::this_thread::sleep_for(std::chrono::milliseconds(10));
			port.closePort();
			std::this_thread::sleep_for(std::chrono::milliseconds(150));

			// Now re-connect and try again
			if (port.openPort(portName) != SerialIO::Response::rOK) return DiagnosticResponse::drPortError;

			response = attemptToSync(versionString, port);
			if (response != DiagnosticResponse::drOK) {
				port.closePort();
				return response;
			}
		}
		else {
			port.closePort();
			return response;
		}
	}

	return response;
}

// Attempts to open the reader running on the COM port number provided.  Port MUST support 2M baud
DiagnosticResponse ArduinoInterface::openPort(const std::wstring& portName, bool enableCTSflowcontrol) {