func adafruitDCMotorRunner(a *i2c.AdafruitMotorHatDriver, dcMotor int) (err error) { log.Printf("DC Motor Run Loop...\n") // set the speed: var speed int32 = 255 // 255 = full speed! if err = a.SetDCMotorSpeed(dcMotor, speed); err != nil { return } // run FORWARD if err = a.RunDCMotor(dcMotor, i2c.AdafruitForward); err != nil { return } // Sleep and RELEASE <-time.After(2000 * time.Millisecond) if err = a.RunDCMotor(dcMotor, i2c.AdafruitRelease); err != nil { return } // run BACKWARD if err = a.RunDCMotor(dcMotor, i2c.AdafruitBackward); err != nil { return } // Sleep and RELEASE <-time.After(2000 * time.Millisecond) if err = a.RunDCMotor(dcMotor, i2c.AdafruitRelease); err != nil { return } return }