GoAlarm

main.go

package main

import (
        "fmt"
        "os"
        "os/exec"
	"time"
	"github.com/hybridgroup/gobot"
	"github.com/hybridgroup/gobot/platforms/raspi"
)

// アラーム音鳴らす
func start() {
        out, err := exec.Command("sh", "-c", "mpg321 -l 0 test.mp3 > /dev/null &").Output()
        if err != nil {
                fmt.Println(err)
                os.Exit(1)
        }
        fmt.Println(string(out))
}

// アラーム音鳴り始めて1分経ったら停止 or スイッチ押下で停止
func stop() {
    gbot := gobot.NewGobot()
    r := raspi.NewRaspiAdaptor("raspi")

    work := func() {
	waitMillisecond := 100
	i := 0;
        gobot.Every(time.Duration(waitMillisecond)*time.Millisecond, func() {
		v, _ := r.DigitalRead("15")
 		if v == 1 || waitMillisecond*i > 60000 {
			out, err := exec.Command("killall", "mpg321").Output()
			if err != nil {
               		 	fmt.Println(err)
               		 	os.Exit(1)
       		 	}
        		fmt.Println(string(out))
        		os.Exit(0)
		}
		i++
        })
    }

    robot := gobot.NewRobot("blinkBot",
        []gobot.Connection{r},
        nil,
        work,
    )
    gbot.AddRobot(robot)
    gbot.Start()
}

func main() {
        start()
        stop()
}