71 lines
1.5 KiB
Go
71 lines
1.5 KiB
Go
// +build utils
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//
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// Do not build by default.
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//
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// Joystick scanner
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// Based on original code from Jacky Boen
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// https://github.com/veandco/go-sdl2/blob/master/examples/events/events.go
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package main
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import (
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"fmt"
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"os"
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"github.com/veandco/go-sdl2/sdl"
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)
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var joysticks [16]*sdl.Joystick
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func run() int {
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var event sdl.Event
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var running bool
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sdl.Init(sdl.INIT_JOYSTICK)
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defer sdl.Quit()
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sdl.JoystickEventState(sdl.ENABLE)
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running = true
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for running {
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for event = sdl.PollEvent(); event != nil; event = sdl.PollEvent() {
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switch t := event.(type) {
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case *sdl.QuitEvent:
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running = false
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case *sdl.JoyAxisEvent:
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fmt.Printf("[%d ms] Axis: %d\tvalue:%d\n",
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t.Timestamp, t.Axis, t.Value)
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case *sdl.JoyBallEvent:
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fmt.Printf("[%d ms] Ball:%d\txrel:%d\tyrel:%d\n",
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t.Timestamp, t.Ball, t.XRel, t.YRel)
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case *sdl.JoyButtonEvent:
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fmt.Printf("[%d ms] Button:%d\tstate:%d\n",
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t.Timestamp, t.Button, t.State)
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case *sdl.JoyHatEvent:
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fmt.Printf("[%d ms] Hat:%d\tvalue:%d\n",
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t.Timestamp, t.Hat, t.Value)
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case *sdl.JoyDeviceAddedEvent:
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joysticks[int(t.Which)] = sdl.JoystickOpen(int(t.Which))
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if joysticks[int(t.Which)] != nil {
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fmt.Printf("Joystick %d connected\n", t.Which)
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}
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case *sdl.JoyDeviceRemovedEvent:
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if joystick := joysticks[int(t.Which)]; joystick != nil {
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joystick.Close()
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}
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fmt.Printf("Joystick %d disconnected\n", t.Which)
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default:
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fmt.Printf("Unknown event\n")
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}
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}
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sdl.Delay(16)
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}
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return 0
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}
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func main() {
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os.Exit(run())
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}
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