Getting Started with Arduino and Go by Agus Kurniawan

Author:Agus Kurniawan [Kurniawan, Agus]
Language: eng
Format: epub
Publisher: PE Press
Published: 2015-03-02T05:00:00+00:00

$ go run main.go

On console, you can see the output as below.

Then, you can see LED is blinking on the Arduino board.

3.3 go-firmata

The second Firmata package for Go is go-firmata. You can read it on https://github.com/kraman/go-firmata . You can install this package by typing this command.

$ go get github.com/kraman/go-firmata

For illustration, we build a simple app, blinking led. We use LED on the board, LED on pin 13.

Now we create project called firmataclient by creating a folder, firmataclient.

$ mkdir firmataclient

$ cd firmataclient

Create a file, called main.go. Write the following code.

package main

import (

"fmt"

"time"

"github.com/kraman/go-firmata"

)

func main() {

board, err := firmata.NewClient("COM6", 57600) if err!=nil {

panic(err)

}

defer board.Close()

fmt.Println("SetPinMode")

board.SetPinMode(13,firmata.Output)

go func() {

fmt.Println("go run")

for {

fmt.Println("LED ON")

board.DigitalWrite(13, true)

time.Sleep(1 * time.Second)

fmt.Println("LED OFF")

board.DigitalWrite(13, false)

time.Sleep(1 * time.Second)

}

}()

// press ENTER to exit

fmt.Println("press Enter to exit..")

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