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package gpio
import (
"errors"
)
var (
// ErrServoWriteUnsupported is the error resulting when a driver attempts to use
// hardware capabilities which a connection does not support
ErrServoWriteUnsupported = errors.New("ServoWrite is not supported by this platform")
// ErrPwmWriteUnsupported is the error resulting when a driver attempts to use
// hardware capabilities which a connection does not support
ErrPwmWriteUnsupported = errors.New("PwmWrite is not supported by this platform")
// ErrAnalogReadUnsupported is error resulting when a driver attempts to use
// hardware capabilities which a connection does not support
ErrAnalogReadUnsupported = errors.New("AnalogRead is not supported by this platform")
// ErrDigitalWriteUnsupported is the error resulting when a driver attempts to use
// hardware capabilities which a connection does not support
ErrDigitalWriteUnsupported = errors.New("DigitalWrite is not supported by this platform")
// ErrDigitalReadUnsupported is the error resulting when a driver attempts to use
// hardware capabilities which a connection does not support
ErrDigitalReadUnsupported = errors.New("DigitalRead is not supported by this platform")
// ErrServoOutOfRange is the error resulting when a driver attempts to use
// hardware capabilities which a connection does not support
ErrServoOutOfRange = errors.New("servo angle must be between 0-180")
)
const (
// Error event
Error = "error"
// ButtonRelease event
ButtonRelease = "release"
// ButtonPush event
ButtonPush = "push"
// Data event
Data = "data"
// Vibration event
Vibration = "vibration"
// MotionDetected event
MotionDetected = "motion-detected"
// MotionStopped event
MotionStopped = "motion-stopped"
)
// PwmWriter interface represents an Adaptor which has Pwm capabilities
type PwmWriter interface {
PwmWrite(string, byte) (err error)
}
// ServoWriter interface represents an Adaptor which has Servo capabilities
type ServoWriter interface {
ServoWrite(string, byte) (err error)
}
// DigitalWriter interface represents an Adaptor which has DigitalWrite capabilities
type DigitalWriter interface {
DigitalWrite(string, byte) (err error)
}
// DigitalReader interface represents an Adaptor which has DigitalRead capabilities
type DigitalReader interface {
DigitalRead(string) (val int, err error)
}
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