hybridgroup.gobot/drivers/gpio/gpio.go

72 lines
2.4 KiB
Go

package gpio
import (
"errors"
"github.com/hybridgroup/gobot"
)
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"
// Release event
ButtonRelease = "release"
// Push event
ButtonPush = "push"
// Data event
Data = "data"
// Vibration event
Vibration = "vibration"
)
// PwmWriter interface represents an Adaptor which has Pwm capabilities
type PwmWriter interface {
gobot.Adaptor
PwmWrite(string, byte) (err error)
}
// ServoWriter interface represents an Adaptor which has Servo capabilities
type ServoWriter interface {
gobot.Adaptor
ServoWrite(string, byte) (err error)
}
// AnalogReader interface represents an Adaptor which has Analog capabilities
type AnalogReader interface {
gobot.Adaptor
AnalogRead(string) (val int, err error)
}
// DigitalWriter interface represents an Adaptor which has DigitalWrite capabilities
type DigitalWriter interface {
gobot.Adaptor
DigitalWrite(string, byte) (err error)
}
// DigitalReader interface represents an Adaptor which has DigitalRead capabilities
type DigitalReader interface {
gobot.Adaptor
DigitalRead(string) (val int, err error)
}