usbrelay

README

go-usb-relay-driver

Pure Go USB relay driver for cheap usb hid interface relay

Linux x86/amd64/armv5 is supported for now.

Install

go get -v -u github.com/mengzhuo/go-usb-relay/g-relay
g-relay -h
# turn on num 1
g-relay -n 1 -o

Documentation

Index

• Variables
• func ListAll() (ret map[string]*Relay)
• type Relay
  • func (r *Relay) Close()
  • func (r *Relay) Device() hid.Device
  • func (r *Relay) GetAllStatus() (bitmask byte, err error)
  • func (r *Relay) Id() (id string, err error)
  • func (r *Relay) SlotNum() int
  • func (r *Relay) Status(n int) (on bool, err error)
  • func (r *Relay) Toggle(n int) (err error)
  • func (r *Relay) TurnAllOff() (err error)
  • func (r *Relay) TurnAllOn() (err error)
  • func (r *Relay) TurnOff(n int) (err error)
  • func (r *Relay) TurnOn(n int) (err error)

Variables

var (
	SlotNumberOverflow = errors.New("slot should be in 1 to 8")
)

Functions

func ListAll

func ListAll() (ret map[string]*Relay)

Types

type Relay

type Relay struct {
	// contains filtered or unexported fields
}

func (*Relay) Close

func (r *Relay) Close()

func (*Relay) Device

func (r *Relay) Device() hid.Device

func (*Relay) GetAllStatus

func (r *Relay) GetAllStatus() (bitmask byte, err error)

func (*Relay) Id

func (r *Relay) Id() (id string, err error)

func (*Relay) SlotNum

func (r *Relay) SlotNum() int

func (*Relay) Status

func (r *Relay) Status(n int) (on bool, err error)

func (*Relay) Toggle

func (r *Relay) Toggle(n int) (err error)

func (*Relay) TurnAllOff

func (r *Relay) TurnAllOff() (err error)

func (*Relay) TurnAllOn

func (r *Relay) TurnAllOn() (err error)

func (*Relay) TurnOff

func (r *Relay) TurnOff(n int) (err error)

func (*Relay) TurnOn

func (r *Relay) TurnOn(n int) (err error)