Class Mpr121

Represents the MPR121 12-Key Capacitive Touch Sensor

public class Mpr121 : II2cPeripheral

Implements:
Meadow.Hardware.II2cPeripheral

Properties

The default I2C address for the peripheral

public byte DefaultI2cAddress { get; }

Gets or sets the period in milliseconds to refresh the channels statuses.

public int RefreshPeriod { get; set; }

I2C Communication bus used to communicate with the peripheral

protected readonly II2cCommunications i2cComms

Reads the channel status of MPR121 controller.

public bool ReadChannelStatus(Mpr121.Channels channel)

System.Boolean

Type	Name	Description
Meadow.Foundation.Sensors.Hid.Mpr121.Channels	channel	The channel to read status.

Reads the channel statuses of MPR121 controller.

public IReadOnlyDictionary<Mpr121.Channels, bool> ReadChannelStatuses()

System.Collections.Generic.IReadOnlyDictionary<Meadow.Foundation.Sensors.Hid.Mpr121.Channels,System.Boolean>

Notifies about a the channel statuses have been changed. Refresh period can be changed by setting PeriodRefresh property.

public event EventHandler<ChannelStatusChangedEventArgs> ChannelStatusesChanged

System.EventHandler<Meadow.Foundation.Sensors.Hid.ChannelStatusChangedEventArgs>