Test Go on RPi

test.go

package main

import (
	rpio "github.com/stianeikeland/go-rpio"
	"log"
	"net/http"
)

func main() {
	log.Print("Starting up...")

	err := rpio.Open()
	if err != nil {
		panic(err)
	}
	defer func() {
		log.Print("Cleaning up...")
		rpio.Close()
	}()

	pin := rpio.Pin(10)
	pin.Output()

	defer func() {
		log.Print("Setting pin 10 to low")
		pin.Low()
	}()

	http.HandleFunc("/what", func(resp http.ResponseWriter, req *http.Request) {
		defer pin.Output()
		pin.Input()
		state := pin.Read()
		if state == rpio.Low {
			resp.Write([]byte("Low"))
		} else {
			resp.Write([]byte("High"))
		}
	})

	http.HandleFunc("/on", func(resp http.ResponseWriter, req *http.Request) {
		pin.High()
	})

	http.HandleFunc("/off", func(resp http.ResponseWriter, req *http.Request) {
		pin.Low()
	})

	quit := make(chan bool)

	http.HandleFunc("/shutdown", func(resp http.ResponseWriter, req *http.Request) {
		quit <- true
	})

	go http.ListenAndServe(":8080", nil)
	<-quit
}