Meadow.Foundation.Sensors.Motion.Mma7660fc

Mma7660fc
Status
Source code	GitHub
Datasheet(s)	GitHub
NuGet package

Code Example

Mma7660fc sensor;

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

    // create the sensor driver
    sensor = new Mma7660fc(Device.CreateI2cBus());

    // classical .NET events can also be used:
    sensor.Updated += (sender, result) =>
    {
        Resolver.Log.Info($"Accel: [X:{result.New.X.MetersPerSecondSquared:N2}," +
            $"Y:{result.New.Y.MetersPerSecondSquared:N2}," +
            $"Z:{result.New.Z.MetersPerSecondSquared:N2} (m/s^2)]" +
            $" Direction: {sensor.Direction}" +
            $" Orientation: {sensor.Orientation}");
    };

    // Example that uses an IObservable subscription to only be notified when the filter is satisfied
    var consumer = Mma7660fc.CreateObserver(
        handler: result => Resolver.Log.Info($"Observer: [x] changed by threshold; new [x]: X:{result.New.X:N2}, old: X:{result.Old?.X:N2}"),
        // only notify if there's a greater than 0.5G change in the Z direction
        filter: result =>
        {
            if (result.Old is { } old)
            {
                return ((result.New - old).Z > new Acceleration(0.5, AU.Gravity));
            }
            return false;
        });
    sensor.Subscribe(consumer);

    return Task.CompletedTask;
}

public async override Task Run()
{
    //==== one-off read
    var result = await sensor.Read();
    Resolver.Log.Info("Initial Readings:");
    Resolver.Log.Info($"Accel: [X:{result.X.MetersPerSecondSquared:N2}," +
        $"Y:{result.Y.MetersPerSecondSquared:N2}," +
        $"Z:{result.Z.MetersPerSecondSquared:N2} (m/s^2)]");

    sensor.StartUpdating(TimeSpan.FromMilliseconds(1000));
}

Sample project(s) available on GitHub