func main() { flag.Parse() if err := embd.InitI2C(); err != nil { panic(err) } defer embd.CloseI2C() bus := embd.NewI2CBus(1) d := pca9685.New(bus, 0x41) d.Freq = 50 defer d.Close() pwm := d.ServoChannel(0) servo := servo.New(pwm) c := make(chan os.Signal, 1) signal.Notify(c, os.Interrupt, os.Kill) turnTimer := time.Tick(500 * time.Millisecond) left := true servo.SetAngle(90) defer func() { servo.SetAngle(90) }() for { select { case <-turnTimer: left = !left switch left { case true: servo.SetAngle(70) case false: servo.SetAngle(110) } case <-c: return } } }
func main() { flag.Parse() sb := servoblaster.New() defer sb.Close() pwm := sb.Channel(0) servo := servo.New(pwm) c := make(chan os.Signal, 1) signal.Notify(c, os.Interrupt, os.Kill) turnTimer := time.Tick(500 * time.Millisecond) left := true servo.SetAngle(90) defer func() { servo.SetAngle(90) }() for { select { case <-turnTimer: left = !left var err error switch left { case true: err = servo.SetAngle(45) case false: err = servo.SetAngle(135) } if err != nil { panic(err) } case <-c: return } } }
func main() { flag.Parse() embd.InitGPIO() defer embd.CloseGPIO() pwm, err := embd.NewPWMPin("P9_14") if err != nil { panic(err) } defer pwm.Close() servo := servo.New(pwm) quit := make(chan os.Signal, 1) signal.Notify(quit, os.Interrupt, os.Kill) turnTimer := time.Tick(500 * time.Millisecond) left := true servo.SetAngle(90) defer func() { servo.SetAngle(90) }() for { select { case <-turnTimer: left = !left switch left { case true: servo.SetAngle(70) case false: servo.SetAngle(110) } case <-quit: return } } }