Initial commit.

cmd/joyful/main.go

@@ -0,0 +1,75 @@
+package main
+
+import (
+	"fmt"
+	"syscall"
+	"time"
+
+	"github.com/holoplot/go-evdev"
+)
+
+func main() {
+	// Define virtual device
+	vDevice, err := evdev.CreateDevice(
+		"joyful-joystick",
+		evdev.InputID{
+			BusType: 0x03,
+			Vendor:  0x4711,
+			Product: 0x0816,
+			Version: 1,
+		},
+		map[evdev.EvType][]evdev.EvCode{
+			evdev.EV_KEY: jsButtons(),
+			evdev.EV_ABS: {
+				evdev.ABS_X,
+				evdev.ABS_Y,
+				evdev.ABS_Z,
+				evdev.ABS_RX,
+				evdev.ABS_RY,
+				evdev.ABS_RZ,
+				evdev.ABS_THROTTLE,
+				evdev.ABS_WHEEL,
+			},
+		},
+	)
+	if err != nil {
+		fmt.Printf("Failed to create vDevice: %s", err.Error())
+	}
+
+	var value int32 = 1
+	for {
+		eventTime := syscall.NsecToTimeval(int64(time.Now().Nanosecond()))
+
+		vDevice.WriteOne(&evdev.InputEvent{
+			Time:  eventTime,
+			Type:  evdev.EV_KEY,
+			Code:  evdev.BTN_TRIGGER,
+			Value: value,
+		})
+
+		if value == 0 {
+			value = 1
+		} else {
+			value = 0
+		}
+
+		time.Sleep(1000)
+	}
+}
+
+func jsButtons() []evdev.EvCode {
+	buttons := make([]evdev.EvCode, 80)
+	i := 0
+
+	for code := 0x120; code <= 0x12f; code++ {
+		buttons[i] = evdev.EvCode(code)
+		i++
+	}
+
+	for code := 0x2c0; code <= 0x2ff; code++ {
+		buttons[i] = evdev.EvCode(code)
+		i++
+	}
+
+	return buttons
+}

go.mod

@@ -0,0 +1,5 @@
+module git.annabunches.net/annabunches/joyful
+
+go 1.24.4
+
+require github.com/holoplot/go-evdev v0.0.0-20240306072622-217e18f17db1

go.sum

@@ -0,0 +1,2 @@
+github.com/holoplot/go-evdev v0.0.0-20240306072622-217e18f17db1 h1:92OsBIf5KB1Tatx+uUGOhah73jyNUrt7DmfDRXXJ5Xo=
+github.com/holoplot/go-evdev v0.0.0-20240306072622-217e18f17db1/go.mod h1:iHAf8OIncO2gcQ8XOjS7CMJ2aPbX2Bs0wl5pZyanEqk=