//go:build example // +build example // // Do not build by default. package main import ( "log" "time" "gobot.io/x/gobot/v2" "gobot.io/x/gobot/v2/drivers/i2c" "gobot.io/x/gobot/v2/platforms/raspi" ) func adafruitStepperMotorRunner(a *i2c.AdafruitMotorHatDriver, motor int) (err error) { log.Printf("Stepper Motor Run Loop...\n") // set the speed state: speed := 30 // rpm style := i2c.AdafruitDouble steps := 20 a.SetStepperMotorSpeed(motor, speed) if err = a.Step(motor, steps, i2c.AdafruitForward, style); err != nil { log.Printf(err.Error()) return } if err = a.Step(motor, steps, i2c.AdafruitBackward, style); err != nil { log.Printf(err.Error()) return } return } func main() { r := raspi.NewAdaptor() adaFruit := i2c.NewAdafruitMotorHatDriver(r) work := func() { gobot.Every(5*time.Second, func() { motor := 0 // 0-based adafruitStepperMotorRunner(adaFruit, motor) }) } robot := gobot.NewRobot("adaFruitBot", []gobot.Connection{r}, []gobot.Device{adaFruit}, work, ) robot.Start() }