package relay import cc "rpirelay/internal/context" var _ Service = (*Relay)(nil) func (r *Relay) SwitchOn(c *cc.C) (err error) { r.pin.High() return nil } func (r *Relay) SwitchOff(c *cc.C) (err error) { r.pin.Low() return nil } func (r *Relay) GetState(c *cc.C) (open bool, err error) { state := r.pin.Read() return state == 1, nil }