Index

/*
 How to run
 Pass serial port to use as the first param:

        go run examples/firmata_led_brightness_with_analog_input.go /dev/ttyACM0
*/

package main

import (
        "fmt"
        "os"

        "gobot.io/x/gobot"
        "gobot.io/x/gobot/drivers/aio"
        "gobot.io/x/gobot/drivers/gpio"
        "gobot.io/x/gobot/platforms/firmata"
)

func main() {
        firmataAdaptor := firmata.NewAdaptor(os.Args[1])
        sensor := aio.NewAnalogSensorDriver(firmataAdaptor, "0")
        led := gpio.NewLedDriver(firmataAdaptor, "3")

        work := func() {
                sensor.On(aio.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()
}