private static int ConvertLcdBaudRateToInt(LcdBaudRate baudRate)
{
if (!Enum.IsDefined(typeof(LcdBaudRate), baudRate))
{
throw new ArgumentException($"Invalid baud rate specified, {(int)baudRate}", nameof(baudRate));
}
return((int)baudRate);
}
/// <summary>
/// Set a new baud rate for communications with the LCD device.
/// </summary>
/// <remarks>
/// Calling this method basically results in a reconnect of the serial port. The command
/// is acknowledged and then the connection is reopened with the new baud rate.
/// </remarks>
/// <param name="baudRate">Only 19200 and 115200 are supported</param>
public void SetBaudRate(LcdBaudRate baudRate)
{
ThrowIfNotConnected();
_baudRate = ConvertLcdBaudRateToInt(baudRate);
var command = new CommandPacket(CommandType.SetBaudRate, 1,
new[] { (byte)(baudRate == LcdBaudRate.Baud19200 ? 0 : 1) });
var response = _deviceConnection?.SendReceive(command);
VerifyResponsePacket(response, CommandType.SetBaudRate);
Disconnect();
Connect();
}
/// <summary>
/// Change the baud rate of the display using the command interface.
/// </summary>
public void SetBaudRate(LcdBaudRate baudRate)
{
Send(new[] { ConfigurationCommandCharacter, (byte)baudRate });
}
public LcdDevice(string serialPortName, LcdBaudRate baudRate)
{
_serialPortName = serialPortName;
_baudRate = ConvertLcdBaudRateToInt(baudRate);
}
