Add an 'evlist' command to help get the exact strings for device names.

cmd/evlist/main.go

@@ -0,0 +1,17 @@
+package main
+
+import (
+	"fmt"
+
+	"git.annabunches.net/annabunches/joyful/internal/logger"
+	"github.com/holoplot/go-evdev"
+)
+
+func main() {
+	devices, err := evdev.ListDevicePaths()
+	logger.FatalIfError(err, "")
+
+	for _, device := range devices {
+		fmt.Printf("%s: '%s'\n", device.Path, device.Name)
+	}
+}

internal/config/configparser.go

@@ -118,7 +118,7 @@ func (parser *ConfigParser) ConnectPhysicalDevices() map[string]*evdev.InputDevi
 
 		device, err := evdev.OpenByName(deviceConfig.DeviceName)
 		if err != nil {
-			logger.LogError(err, "Failed to open physical device, skipping. Confirm the device name with 'evtest'")
+			logger.LogError(err, "Failed to open physical device, skipping. Confirm the device name with 'evlist'. Watch out for spaces.")
 			continue
 		}