void Draw(byte[][] data)
{
Console.WriteLine($" Drawing {data[0].Length * 8}x{data.Length}...");
Stopwatch sw = new Stopwatch();
sw.Start();
graphics.Clear(true);
for (int y = 0; y < data.Length; y++)
{
// each line of data is a 1 bit bitmap
graphics.DrawReverseBitmap(0, y, data[y].Length, 1, data[y], displayColor);
}
graphics.Show();
sw.Stop();
Console.WriteLine($" Draw took {sw.ElapsedMilliseconds / 1000.0}s");
}
void Initialize()
{
Console.WriteLine("Initializing...");
var config = new SpiClockConfiguration(48000, SpiClockConfiguration.Mode.Mode3);
var spiBus = Device.CreateSpiBus(Device.Pins.SCK, Device.Pins.MOSI, Device.Pins.MISO, config);
display = new St7789(
device: Device,
spiBus: spiBus,
chipSelectPin: null,
dcPin: Device.Pins.D01,
resetPin: Device.Pins.D00,
width: (uint)displayWidth, height: (uint)displayHeight);
// extended graphics library
graphics = new GraphicsLibraryEx(display);
graphics.Rotation = GraphicsLibrary.RotationType._270Degrees;
graphics.CurrentFont = new Font12x20();
graphics.Clear(true);
}