void Initialize()
{
var display = new Max7219(
device: Device,
spiBus: Device.CreateSpiBus(Max7219.DefaultSpiBusSpeed),
csPin: Device.Pins.D01,
deviceCount: 4,
maxMode: Max7219.Max7219Type.Display);
graphics = new MicroGraphics(display);
graphics.CurrentFont = new Font4x8();
joystick = new AnalogJoystick(Device, Device.Pins.A01, Device.Pins.A02, null, true);
joystick.StartUpdating(TimeSpan.FromMilliseconds(20));
}
async Task Initialize()
{
var onboardLed = new RgbPwmLed(
device: Device,
redPwmPin: Device.Pins.OnboardLedRed,
greenPwmPin: Device.Pins.OnboardLedGreen,
bluePwmPin: Device.Pins.OnboardLedBlue);
onboardLed.SetColor(Color.Red);
var display = new Max7219(
device: Device,
spiBus: Device.CreateSpiBus(),
csPin: Device.Pins.D01,
deviceCount: 4,
maxMode: Max7219.Max7219Type.Display);
graphics = new MicroGraphics(display);
graphics.CurrentFont = new Font4x8();
graphics.Rotation = RotationType._180Degrees;
graphics.Clear();
graphics.DrawText(0, 1, "WI");
graphics.DrawText(0, 9, "FI");
graphics.DrawText(0, 17, "TI");
graphics.DrawText(0, 25, "ME");
graphics.Show();
pushButton = new PushButton(Device, Device.Pins.D04, ResistorMode.InternalPullUp);
pushButton.Clicked += PushButtonClicked;
analogTemperature = new AnalogTemperature(
device: Device,
analogPin: Device.Pins.A00,
sensorType: AnalogTemperature.KnownSensorType.LM35
);
var connectionResult = await Device.WiFiAdapter.Connect(Secrets.WIFI_NAME, Secrets.WIFI_PASSWORD);
if (connectionResult.ConnectionStatus != ConnectionStatus.Success)
{
throw new Exception($"Cannot connect to network: {connectionResult.ConnectionStatus}");
}
onboardLed.StartPulse(Color.Green);
}
static async Task App()
{
var board = await ConnectionService.Instance.GetFirstDeviceAsync();
await board.ConnectAsync();
var controller = new Max7219(board.Spi, board.Pins[7]);
var display = new SevenSegmentDisplay(controller.Leds, true);
int i = 0;
while (!Console.KeyAvailable)
{
display.Text = i++;
await Task.Delay(10);
}
board.Disconnect();
}
public void Initialize()
{
if (initialized)
{
return;
}
ledDisplay = new Max7219(
MeadowApp.Device,
MeadowApp.Device.CreateSpiBus(),
MeadowApp.Device.Pins.D00,
deviceCount: 4,
maxMode: Max7219.Max7219Type.Display);
ledDisplay.IgnoreOutOfBoundsPixels = true;
canvas = new MicroGraphics(ledDisplay);
canvas.Rotation = RotationType._90Degrees;
canvas.CurrentFont = new Font4x8();
initialized = true;
}
static void Main(string[] args)
{
Console.WriteLine("Hello Max7219!");
var connectionSettings = new SpiConnectionSettings(0, 0)
{
ClockFrequency = 10_000_000,
Mode = SpiMode.Mode0
};
var spi = new UnixSpiDevice(connectionSettings);
using (var devices = new Max7219(spi, cascadedDevices: 4))
{
//initialize the devices
devices.Init();
// send a display test to the devices: All leds should be lighted
Console.WriteLine("Display-Test");
devices.SetRegister(Register.DISPLAYTEST, 1);
Thread.Sleep(1000);
// reinitialize the devices
Console.WriteLine("Init");
devices.Init();
// write a smiley to devices buffer
var smiley = new byte[] {
0b00111100,
0b01000010,
0b10100101,
0b10000001,
0b10100101,
0b10011001,
0b01000010,
0b00111100
};
for (var i = 0; i < devices.CascadedDevices; i++)
{
for (var digit = 0; digit < 8; digit++)
{
devices[i, digit] = smiley[digit];
}
}
// flush the smiley to the devices using a different rotation each iteration.
foreach (RotationType rotation in Enum.GetValues(typeof(RotationType)))
{
Console.WriteLine($"Send Smiley using rotation {devices.Rotation}.");
devices.Rotation = rotation;
devices.Flush();
Thread.Sleep(1000);
}
//reinitialize device and show message using the matrix graphics
devices.Init();
devices.Rotation = RotationType.Left;
var graphics = new MatrixGraphics(devices, Fonts.Default);
foreach (var font in new[] { Fonts.CP437, Fonts.LCD, Fonts.Sinclair, Fonts.Tiny, Fonts.CyrillicUkrainian })
{
graphics.Font = font;
graphics.ShowMessage("Hello World from MAX7219!", alwaysScroll: true);
}
}
}
}
static void Main()
{
SpiConnectionSettings connectionSettings = new SpiConnectionSettings(0, 0)
{
ClockFrequency = 10000000,
Mode = SpiMode.Mode0
};
using (SpiDevice spi = SpiDevice.Create(connectionSettings))
{
using (Max7219 device = new Max7219(spi))
{
device.Init();
// Double init
device.Init();
device[0] = 0b01010101;
device[1] = 0b10101010;
device[2] = 0b01010101;
device[3] = 0b10111010;
device[4] = 0b01011101;
device[5] = 0b10111010;
device[6] = 0b01011101;
device[7] = 0b10111010;
device.Flush();
Console.WriteLine("Ready for next");
Console.ReadLine();
// Rotate the image
device.Rotation = RotationType.Left;
device.Flush();
Thread.Sleep(1000);
device.Rotation = RotationType.Half;
device.Flush();
Thread.Sleep(1000);
device.Rotation = RotationType.Right;
device.Flush();
Thread.Sleep(1000);
device.Rotation = RotationType.None;
device.Flush();
Console.WriteLine("Ready for next");
Console.ReadLine();
// Show some text
device.Init();
device.Rotation = RotationType.None;
MatrixGraphics graphics = new MatrixGraphics(device, Fonts.Default);
graphics.ShowMessage("Hello Alt.Net!", alwaysScroll: true);
Console.WriteLine("Done!");
Console.ReadLine();
device.ClearAll();
}
}
}
static void Main(string[] args)
{
var message = "Hello World from MAX7219!";
if (args.Length > 0)
{
message = string.Join(" ", args);
}
Console.WriteLine(message);
var connectionSettings = new SpiConnectionSettings(0, 0)
{
ClockFrequency = Max7219.SpiClockFrequency,
Mode = Max7219.SpiMode
};
var spi = SpiDevice.Create(connectionSettings);
using (var devices = new Max7219(spi, cascadedDevices: 4))
{
//initialize the devices
devices.Init();
// reinitialize the devices
Console.WriteLine("Init");
devices.Init();
// write a smiley to devices buffer
var smiley = new byte[] {
0b00111100,
0b01000010,
0b10100101,
0b10000001,
0b10100101,
0b10011001,
0b01000010,
0b00111100
};
for (var i = 0; i < devices.CascadedDevices; i++)
{
for (var digit = 0; digit < 8; digit++)
{
devices[i, digit] = smiley[digit];
}
}
// flush the smiley to the devices using a different rotation each iteration.
foreach (RotationType rotation in Enum.GetValues(typeof(RotationType)))
{
Console.WriteLine($"Send Smiley using rotation {devices.Rotation}.");
devices.Rotation = rotation;
devices.Flush();
Thread.Sleep(1000);
}
//reinitialize device and show message using the matrix graphics
devices.Init();
devices.Rotation = RotationType.Right;
var graphics = new MatrixGraphics(devices, Fonts.Default);
foreach (var font in new[] { Fonts.CP437, Fonts.LCD, Fonts.Sinclair, Fonts.Tiny, Fonts.CyrillicUkrainian })
{
graphics.Font = font;
graphics.ShowMessage(message, alwaysScroll: true);
}
}
}
public void Init()
{
Console.WriteLine("Init...");
display = new Max7219(Device, Device.CreateSpiBus(), Device.Pins.D02, 1, true);
}
