Serial Write/Read sample using golang

serial_sample.go

package main

import (
	"fmt"
	"log"
	"os"
	"time"

	"github.com/tarm/serial"
)

func main() {
	comname := os.Args[1]

	fmt.Println("Start communication with ", comname)

	c := &serial.Config{
		Name:        comname,
		Baud:        115200,
		ReadTimeout: time.Millisecond * 100,
	}
	s, err := serial.OpenPort(c)
	if err != nil {
		log.Fatal(err)
	}

	n, err := s.Write([]byte{0, 1, 2, 3, 4, 5, 6, 7})
	if err != nil {
		log.Fatal(err)
	}
	log.Println("Sent data size =", n)

	buf := make([]byte, 128)

	for {
		n, err := s.Read(buf)
		if n == 0 {
			break
		}
		if err != nil {
			log.Fatal(err)
		}
		log.Println("Received data size = ", n)
		log.Println(buf[:n])
	}

	log.Println("exit")
}

build for Windows on Linux.

$ GOOS=windows GOARCH=amd64 go build