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add Sensor interface #321

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31 changes: 31 additions & 0 deletions sensor.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,31 @@
package drivers

// Measurement specifies a type of measurement,
// for example: temperature, acceleration, pressure.
type Measurement uint32

// Sensor measurements
const (
Voltage Measurement = 1 << iota
Temperature
Humidity
Pressure
Distance
Acceleration
AngularVelocity
MagneticField
Luminosity
Time

AllMeasurements Measurement = 0xffffffff
)

// Sensor represents an object capable of making one
// or more measurements. A sensor will then have methods
// which read the last updated measurements.
//
// Many Sensors may be collected into
// one Sensor interface to synchronize measurements.
type Sensor interface {
Update(which Measurement) error
}