Golang ToScale Examples

Example #1

File: firmata_cat_toy.go Project: hybridgroup/gobot

func main() {
	firmataAdaptor := firmata.NewAdaptor("/dev/ttyACM0")
	servo1 := gpio.NewServoDriver(firmataAdaptor, "5")
	servo2 := gpio.NewServoDriver(firmataAdaptor, "3")

	leapAdaptor := leap.NewAdaptor("127.0.0.1:6437")
	leapDriver := leap.NewDriver(leapAdaptor)

	work := func() {
		x := 90.0
		z := 90.0
		leapDriver.On(leap.MessageEvent, func(data interface{}) {
			if len(data.(leap.Frame).Hands) > 0 {
				hand := data.(leap.Frame).Hands[0]
				x = gobot.ToScale(gobot.FromScale(hand.X(), -300, 300), 30, 150)
				z = gobot.ToScale(gobot.FromScale(hand.Z(), -300, 300), 30, 150)
			}
		})
		gobot.Every(10*time.Millisecond, func() {
			servo1.Move(uint8(x))
			servo2.Move(uint8(z))
			fmt.Println("Current Angle: ", servo1.CurrentAngle, ",", servo2.CurrentAngle)
		})
	}

	robot := gobot.NewRobot("pwmBot",
		[]gobot.Connection{firmataAdaptor, leapAdaptor},
		[]gobot.Device{servo1, servo2, leapDriver},
		work,
	)

	robot.Start()
}

Example #2

File: raspi_adaptor.go Project: hybridgroup/gobot

// ServoWrite writes a servo signal to the specified pin
func (r *Adaptor) ServoWrite(pin string, angle byte) (err error) {
	sysfsPin, err := r.pwmPin(pin)
	if err != nil {
		return err
	}

	val := (gobot.ToScale(gobot.FromScale(float64(angle), 0, 180), 0, 200) / 1000.0) + 0.05

	return r.piBlaster(fmt.Sprintf("%v=%v\n", sysfsPin, val))
}

Example #3

File: beaglebone_led_brightness_with_analog_input.go Project: hybridgroup/gobot

func main() {
	beagleboneAdaptor := beaglebone.NewAdaptor()
	sensor := gpio.NewAnalogSensorDriver(beagleboneAdaptor, "P9_33")
	led := gpio.NewLedDriver(beagleboneAdaptor, "P9_14")

	work := func() {
		sensor.On(sensor.Event("data"), func(data interface{}) {
			brightness := uint8(
				gobot.ToScale(gobot.FromScale(float64(data.(int)), 0, 1024), 0, 255),
			)
			fmt.Println("sensor", data)
			fmt.Println("brightness", brightness)
			led.Brightness(brightness)
		})
	}

	robot := gobot.NewRobot("sensorBot",
		[]gobot.Connection{beagleboneAdaptor},
		[]gobot.Device{sensor, led},
		work,
	)

	robot.Start()
}

Example #4

File: edison_led_brightness_with_analog_input.go Project: hybridgroup/gobot

func main() {
	e := edison.NewAdaptor()
	sensor := aio.NewAnalogSensorDriver(e, "0")
	led := gpio.NewLedDriver(e, "3")

	work := func() {
		sensor.On(aio.Data, func(data interface{}) {
			brightness := uint8(
				gobot.ToScale(gobot.FromScale(float64(data.(int)), 0, 4096), 0, 255),
			)
			fmt.Println("sensor", data)
			fmt.Println("brightness", brightness)
			led.Brightness(brightness)
		})
	}

	robot := gobot.NewRobot("sensorBot",
		[]gobot.Connection{e},
		[]gobot.Device{sensor, led},
		work,
	)

	master.Start()
}

Example #5

File: firmata_led_brightness_with_analog_input.go Project: hybridgroup/gobot

func main() {
	firmataAdaptor := firmata.NewAdaptor("/dev/ttyACM0")
	sensor := gpio.NewAnalogSensorDriver(firmataAdaptor, "0")
	led := gpio.NewLedDriver(firmataAdaptor, "3")

	work := func() {
		sensor.On(gpio.Data, func(data interface{}) {
			brightness := uint8(
				gobot.ToScale(gobot.FromScale(float64(data.(int)), 0, 1024), 0, 255),
			)
			fmt.Println("sensor", data)
			fmt.Println("brightness", brightness)
			led.Brightness(brightness)
		})
	}

	robot := gobot.NewRobot("sensorBot",
		[]gobot.Connection{firmataAdaptor},
		[]gobot.Device{sensor, led},
		work,
	)

	robot.Start()
}

Example #6

File: examples_test.go Project: hybridgroup/gobot

func ExampleToScale() {
	fmt.Println(gobot.ToScale(500, 0, 10))
	// Output:
	// 10
}

Example #7

File: leap_sphero.go Project: hybridgroup/gobot

func scale(position float64) uint8 {
	return uint8(gobot.ToScale(gobot.FromScale(position, 0, 1), 0, 255))
}