This provides somewhat minimal support for talking to a Loupedeck Live from Go. Supported features:
- Reacting to button, knob, and touchscreen events.
- Displaying images on any of the 3 displays.
In addition, widgets and convienence functions are provided for a couple higher-level input abstractions.
This code talks directly to the Loupedeck hardware, and doesn't go
through Loupedeck's Windows/Mac software. It's largely intended for
using the Loupedeck as a controller for semi-embedded devices, like a
DMX lighting controller. This code should work under
Linux/Windows/Mac/etc, although only Linux on a Raspberry Pi has been
tested. It talks to the Loupedeck via the
go.bug.st/serial library ; any platform
with working USB serial support in the library will likely work just
fine.
This is only tested with a Loupedeck Live; other Loupedeck models use the same protocol but have different numbers of displays and controls, and will need minor updates to work correctly.
l, err := loupedeck.ConnectAuto()
if err != nil { ... }
// Create 3 variables for holding dial positions, and add a callback for whenever they change.
light1 := loupedeck.NewWatchedInt(0)
light1.AddWatcher(func (i int) { fmt.Printf("DMX 1->%d\n", i) })
light2 := loupedeck.NewWatchedInt(0)
light2.AddWatcher(func (i int) { fmt.Printf("DMX 3->%d\n", i) })
light3 := loupedeck.NewWatchedInt(0)
light3.AddWatcher(func (i int) { fmt.Printf("DMX 5->%d\n", i) })
// Use the left display and the 3 left knobs to adjust 3 independent lights between 0 and 100.
// Whenever these change, the callbacks from 'AddWatcher' (above) will be called.
l.NewTouchDial(loupedeck.DisplayLeft, light1, light2, light3, 0, 100)
// Define the 'Circle' button (bottom left) to function as an "off" button for lights 1-3.
// Similar to NewTouchDial, the callbacks from `AddWatcher` will be called. This
// includes an implicit call to the TouchDial's Draw() function, so just calling 'Set'
// will update the values, the lights (if the callbacks above actually did anything useful),
// and the Loupedeck.
l.BindButton(loupedeck.Circle, func (b loupedeck.Button, s loupedeck.ButtonStatus){
light1.Set(0)
light2.Set(0)
light3.Set(0)
})
l.Listen()
This is not an official Google project.
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