move Capture to generic not linux (6850705c) · Commits · bsmrgo / splace-joysticks

joysticks.go

+25 −1

Original line number	Diff line number	Diff line
		@@ -48,7 +48,8 @@ type eventSigniture struct {
		}


		//HID holds the in-coming event channel, available button and hat indexes, and registered events for a device, and has methods to control and adjust behaviour.
		// HID holds the in-coming event channel, available button and hat indexes, and registered events, for a human interface device.
		// has methods to control and adjust behaviour.
		type HID struct {
		OSEvents chan osEventRecord
		Buttons map[uint8]button
		@@ -218,6 +219,28 @@ type Channel struct {
		Method func(HID, uint8) chan Event
		}


		// Capture is highlevel automation of the setup of event channels.
		// returned are matching chan's for each registree, which then receive events of the type and index the registree indicated.
		// It uses the first available joystick, from a max of 4.
		// Doesn't return HID object, so settings are fixed.
		func Capture(registrees ...Channel) []chan Event {
		d := Connect(1)
		for i := 2; d == nil && i < 5; i++ {
		d = Connect(i)
		}
		if d == nil {
		return nil
		}
		go d.ParcelOutEvents()
		chans := make([]chan Event, len(registrees))
		for i, fns := range registrees {
		chans[i] = fns.Method(*d, fns.Number)
		}
		return chans
		}


		// button changes event channel.
		func (d HID) OnButton(button uint8) chan Event {
		c := make(chan Event)
		@@ -334,3 +357,4 @@ func (d HID) HatCoords(hat uint8, coords []float32) {
		func (d HID) InsertSyntheticEvent(v int16, t uint8, i uint8) {
		d.OSEvents <- osEventRecord{Value: v, Type: t, Index: i}
		}

+1 −20

Original line number	Diff line number	Diff line
		@@ -12,7 +12,7 @@ import (

		// see; https://www.kernel.org/doc/Documentation/input/joystick-api.txt
		type osEventRecord struct {
		Time uint32 // event timestamp, unknown base, in milliseconds 32bit so, about a month
		Time uint32 // event timestamp, unknown base, in milliseconds 32bit, so about a month
		Value int16 // value
		Type uint8 // event type
		Index uint8 // axis/button
		@@ -20,25 +20,6 @@ type osEventRecord struct {

		const maxValue = 1<<15 - 1

		// Capture returns a chan, for each registree, getting the events the registree indicates.
		// Finds the first unused joystick, from a max of 4.
		// Intended for bacic use since doesn't return HID object.
		func Capture(registrees ...Channel) []chan Event {
		d := Connect(1)
		for i := 2; d == nil && i < 5; i++ {
		d = Connect(i)
		}
		if d == nil {
		return nil
		}
		go d.ParcelOutEvents()
		chans := make([]chan Event, len(registrees))
		for i, fns := range registrees {
		chans[i] = fns.Method(*d, fns.Number)
		}
		return chans
		}

		var inputPathSlice = []byte("/dev/input/js ")[0:13]

		// Connect sets up a go routine that puts a joysticks events onto registered channels.