hybridgroup.gobot/examples/firmata_led_brightness_with...

55 lines
1.1 KiB
Go

//go:build example
// +build example
//
// Do not build by default.
/*
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"
"time"
"gobot.io/x/gobot/v2"
"gobot.io/x/gobot/v2/drivers/aio"
"gobot.io/x/gobot/v2/drivers/gpio"
"gobot.io/x/gobot/v2/platforms/firmata"
)
func main() {
firmataAdaptor := firmata.NewAdaptor(os.Args[1])
sensor := aio.NewAnalogSensorDriver(firmataAdaptor, "0", aio.WithSensorCyclicRead(500*time.Millisecond))
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)
if err := led.Brightness(brightness); err != nil {
fmt.Println(err)
}
})
}
robot := gobot.NewRobot("sensorBot",
[]gobot.Connection{firmataAdaptor},
[]gobot.Device{sensor, led},
work,
)
if err := robot.Start(); err != nil {
panic(err)
}
}