// Demo from http://bansky.net/blog/2008/10/interfacing-lcd-with-3-wires-from-net-micro-framework
public static void Main()
{
// create the transfer provider
var lcdProvider = new Shifter74Hc595LcdTransferProvider(SPI_Devices.SPI1, Pins.GPIO_PIN_D10,
Shifter74Hc595LcdTransferProvider.BitOrder.LSBFirst);
// create the LCD interface
var lcd = new Lcd(lcdProvider);
// set up the LCD's number of columns and rows:
lcd.Begin(16, 2);
// Creating custom characters (Smiley face and gimp)
byte[] buffer = new byte[] { 0x07, 0x08, 0x10, 0x10, 0x13, 0x13, 0x10, 0x10,
0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x04,
0x1C, 0x02, 0x01, 0x01, 0x19, 0x19, 0x01, 0x01,
0x10, 0x10, 0x12, 0x11, 0x10, 0x10, 0x08, 0x07,
0x00, 0x00, 0x00, 0x1F, 0x00, 0x00, 0x00, 0x1F,
0x01, 0x01, 0x09, 0x11, 0x01, 0x01, 0x02, 0x1C,
0x15, 0x15, 0x0E, 0x04, 0x04, 0x0A, 0x11, 0x11,
0x04, 0x04, 0x0E, 0x15, 0x04, 0x0A, 0x11, 0x11
};
// Load custom characters to display CGRAM
for (int i = 0; i < 8; i++)
{
lcd.CreateChar(i, buffer, i * 8);
}
// Turn displat on, turn back light on, hide small cursor, show big blinking cursor
lcd.BlinkCursor = true;
lcd.Clear();
lcd.Write("Start me up!");
Thread.Sleep(3000);
lcd.Clear();
lcd.BlinkCursor = false;
// Print the special characters with the face
lcd.Write(new byte[] { 0x00, 0x01, 0x02 }, 0, 3);
lcd.Write(" .NET Micro");
// Move to second line
lcd.SetCursorPosition(0, 1);
// Print the special characters with the face
lcd.Write(new byte[] { 0x03, 0x04, 0x05 }, 0, 3);
lcd.Write(" Framework");
Thread.Sleep(2000);
// Blink with back light
for (int i = 0; i < 4; i++)
{
lcd.Backlight = (i % 2) != 0;
Thread.Sleep(400);
}
lcd.Clear();
const string message = "* Hello World! *";
// Let gimp write the message
for (int i = 0; i < message.Length; i++)
{
lcd.SetCursorPosition(i, 1);
lcd.WriteByte((byte)(((i % 2) == 0) ? 0x06 : 0x07));
lcd.SetCursorPosition(i, 0);
lcd.Write(message[i].ToString());
Thread.Sleep(200);
lcd.SetCursorPosition(i, 1);
lcd.Write(" ");
}
Thread.Sleep(1500);
lcd.Clear();
lcd.SetCursorPosition(16, 0);
lcd.Write("http://bansky.net/blog");
// Scroll the page url
while (true)
{
lcd.ScrollDisplayLeft();
Thread.Sleep(400);
}
}
