comment

     go get github.com/splace/joysticks

Example: play a note when pressing button #1. hat position changes frequency, y axis, and volume, x axis. (long press button #10 to exit) 

Example: prints event info for pressing button #1 or moving hat#1. 

	package main

	import (

		"io"

		"os/exec"

		"time"

		"math"

	)

	import . "github.com/splace/joysticks"

	import . "github.com/splace/sounds"

	import "fmt"

	import  "time"

	func main() {

		jsevents := Capture(

			Channel{10, HID.OnLong}, // events[0] button #10 long pressed

			Channel{1, HID.OnClose}, // events[1] button #1 closes

			Channel{1, HID.OnMove},  // events[2] hat #1 moves

		)

		var x float32 = .5

		var f time.Duration = time.Second / 440

		device := Connect(1)

		if device == nil {

			panic("no HIDs")

		}

		fmt.Printf("HID#1:- Buttons:%d, Hats:%d\n", len(device.Buttons), len(device.HatAxes)/2)

		b1press := device.OnClose(1)

		h1move := device.OnMove(1)

		go device.ParcelOutEvents()

		fmt.Println("Timeout in 10 secs.")

	loop:

		for{

			select {

			case <-jsevents[0]:

				return

			case <-jsevents[1]:

				play(NewSound(NewTone(f, float64(x)), time.Second/3))

			case h := <-jsevents[2]:

				x = h.(HatChangeEvent).X/2 + .5

				f = time.Duration(100*math.Pow(2, float64(h.(HatChangeEvent).Y))) * time.Second / 44000

			}

			case <-time.After(time.Second*10):

				fmt.Println("Shutting down due to timeout.")

				break loop

			case <-b1press:

				fmt.Println("button #1 pressed")

			case h := <-h1move:

				hpos:=h.(HatPositionEvent)

				fmt.Println("hat #1 moved too:", hpos.X,hpos.Y)

			}

		}	

	func play(s Sound) {

		cmd := exec.Command("aplay")

		out, in := io.Pipe()

		go func() {

			Encode(in, 2, 44100, s)

			in.Close()

		}()

		cmd.Stdin = out

		err := cmd.Run()

		if err != nil {

			panic(err)

		}

	}