/// <summary>
/// Create a new SerialLcd object.
/// </summary>
/// <param name="config">TextDisplayConfig object defining the Lcd dimension (null will default to 16x2).</param>
/// <param name="baudRate">Baud rate to use (default = 9600).</param>
/// <param name="parity">Parity to use (default is None).</param>
/// <param name="dataBits">Number of data bits (default is 8 data bits).</param>
/// <param name="stopBits">Number of stop bits (default is one stop bit).</param>
public SerialLcd(IIODevice device, SerialPortName port, TextDisplayConfig config = null, int baudRate = 9600,
Parity parity = Parity.None, int dataBits = 8, StopBits stopBits = StopBits.One)
{
if (config == null)
{
// assume a 16x2 Lcd.
DisplayConfig = new TextDisplayConfig()
{
Height = 2, Width = 16
};
}
else
{
DisplayConfig = config;
}
comPort = device.CreateSerialPort(port, baudRate, dataBits, parity, stopBits);
comPort.Open();
// configure the Lcd controller for the appropriate screen size
byte lines = 0;
byte characters = 0;
switch (DisplayConfig.Width)
{
case 16:
characters = (byte)LcdDimensions.Characters16Wide;
break;
case 20:
characters = (byte)LcdDimensions.Characters20Wide;
break;
default:
throw new ArgumentOutOfRangeException(nameof(config.Width), "Display width should be 16 or 20.");
}
switch (DisplayConfig.Height)
{
case 2:
lines = (byte)LcdDimensions.Lines2;
break;
case 4:
lines = (byte)LcdDimensions.Lines4;
break;
default:
throw new ArgumentOutOfRangeException(nameof(config.Height), "Display height should be 2 or 4 lines.");
}
Send(new[] { ConfigurationCommandCharacter, characters, ConfigurationCommandCharacter, lines });
Thread.Sleep(10);
}
/// <summary>
/// Create a new SerialLCD object.
/// </summary>
/// <param name="config">TextDisplayConfig object defining the LCD dimension (null will default to 16x2).</param>
/// <param name="port">Com port the display is connected to.</param>
/// <param name="baudRate">Baud rate to use (default = 9600).</param>
/// <param name="parity">Parity to use (default is None).</param>
/// <param name="dataBits">Number of data bits (default is 8 data bits).</param>
/// <param name="stopBits">Number of stop bits (default is one stop bit).</param>
public SerialLCD(TextDisplayConfig config = null, string port = "COM1", int baudRate = 9600,
ParityType parity = ParityType.None, int dataBits = 8, NumberOfStopBits stopBits = NumberOfStopBits.One)
{
if (config == null)
{
// assume a 16x2 LCD.
DisplayConfig = new TextDisplayConfig()
{
Height = 2, Width = 16
};
}
else
{
DisplayConfig = config;
}
_comPort = new SerialPort(port, baudRate, parity, dataBits, stopBits);
_comPort.Open();
// configure the LCD controller for the appropriate screen size
byte lines = 0;
byte characters = 0;
switch (DisplayConfig.Width)
{
case 16:
characters = (byte)LCDDimensions.Characters16Wide;
break;
case 20:
characters = (byte)LCDDimensions.Characters20Wide;
break;
default:
throw new ArgumentOutOfRangeException(nameof(config.Width), "Display width should be 16 or 20.");
}
switch (DisplayConfig.Height)
{
case 2:
lines = (byte)LCDDimensions.Lines2;
break;
case 4:
lines = (byte)LCDDimensions.Lines4;
break;
default:
throw new ArgumentOutOfRangeException(nameof(config.Height), "Display height should be 2 or 4 lines.");
}
Send(new[] { ConfigurationCommandCharacter, characters, ConfigurationCommandCharacter, lines });
Thread.Sleep(10);
}