private void Write(byte value, byte[] halfAddress)
{
D4.Write((value & halfAddress[0]) > 0);
D5.Write((value & halfAddress[1]) > 0);
D6.Write((value & halfAddress[2]) > 0);
D7.Write((value & halfAddress[3]) > 0);
Enable.Write(true);
Enable.Write(false);
//Debug.Print("Wrote " + value.ToString());
}
private void Initialize()
{
//initialize fields
isVisible = true;
showCursor = false;
isBlinking = false;
rowAddress = new byte[] { 0x00, 0x40, 0x14, 0x54 };
firstHalfAddress = new byte[] { 0x10, 0x20, 0x40, 0x80 };
secondHalfAddress = new byte[] { 0x01, 0x02, 0x04, 0x08 };
currentRow = 0;
dirtyColumns = 0;
Thread.Sleep(50); // must wait for a few milliseconds
// RS to high = data transfer
// RS to low = command/instruction transfer
RS.Write(false);
// Enable provides a clock function to synchronize data transfer
Enable.Write(false);
// Set for 4 bit model
Write(0x03, secondHalfAddress);
Thread.Sleep(4);
Write(0x03, secondHalfAddress);
Thread.Sleep(4);
Write(0x03, secondHalfAddress);
Thread.Sleep(150);
Write(0x02, secondHalfAddress);
// Set the LCD properties
byte operationalValue = (byte)((byte)Operational.FourBit | (byte)NumberOfLines | (byte)DotSize);
SendCommand((byte)((byte)Command.Operational | operationalValue));
UpdateDisplayOptions();
ClearDisplay();
byte entranceValue = (byte)Entrance.FromLeft | (byte)Entrance.ShiftDecrement;
SendCommand((byte)((byte)Command.Entrance | entranceValue));
}