Meadow.Foundation.Motors.ElectronicSpeedController 1.8.0.1

Meadow.Foundation.Motors.ElectronicSpeedController

PWM Electronic speed controller

The ElectronicSpeedController library is designed for the Wilderness Labs Meadow .NET IoT platform and is part of Meadow.Foundation.

The Meadow.Foundation peripherals library is an open-source repository of drivers and libraries that streamline and simplify adding hardware to your C# .NET Meadow IoT application.

For more information on developing for Meadow, visit developer.wildernesslabs.co.

To view all Wilderness Labs open-source projects, including samples, visit github.com/wildernesslabs.

Usage

private readonly Frequency frequency = new Frequency(50, Frequency.UnitType.Hertz);
private const float armMs = 0.5f;
private const float powerIncrement = 0.05f;
private ElectronicSpeedController esc;
private RotaryEncoderWithButton rotary;

public override Task Initialize()
{
    Resolver.Log.Info("Initialize...");

    rotary = new RotaryEncoderWithButton(Device.Pins.D07, Device.Pins.D08, Device.Pins.D06);
    rotary.Rotated += RotaryRotated;
    rotary.Clicked += (s, e) =>
    {
        Resolver.Log.Info($"Arming the device.");
        esc.Arm();
    }; ;

    esc = new ElectronicSpeedController(Device.Pins.D02, frequency);

    Resolver.Log.Info("Hardware initialized.");

    return base.Initialize();
}

private void RotaryRotated(object sender, RotaryChangeResult e)
{
    esc.Power += (e.New == RotationDirection.Clockwise) ? powerIncrement : -powerIncrement;
    DisplayPowerOnLed(esc.Power);

    Resolver.Log.Info($"New Power: {esc.Power * 100:n0}%");
}

/// <summary>
/// Displays the ESC power on the onboard LED as full red @ `100%`,
/// blue @ `0%`, and a proportional mix, in between those speeds.
/// </summary>
/// <param name="power"></param>
private void DisplayPowerOnLed(float power)
{
    // `0.0` - `1.0`
    int r = (int)ExtensionMethods.Map(power, 0f, 1f, 0f, 255f);
    int b = (int)ExtensionMethods.Map(power, 0f, 1f, 255f, 0f);

    var color = Color.FromRgb(r, 0, b);
}

public override Task Run()
{
    DisplayPowerOnLed(esc.Power);

    return base.Run();
}

How to Contribute

• Found a bug? Report an issue
• Have a feature idea or driver request? Open a new feature request
• Want to contribute code? Fork the Meadow.Foundation repository and submit a pull request against the develop branch

Need Help?

If you have questions or need assistance, please join the Wilderness Labs community on Slack.