Create Init() rather than using init()

btsetup.go

@@ -1,27 +1,27 @@
 package infinitime
 
 import (
-	"os/exec"
-
 	bt "github.com/muka/go-bluetooth/api"
 	"github.com/muka/go-bluetooth/bluez/profile/adapter"
 )
 
 var defaultAdapter *adapter.Adapter1
 
-func init() {
+func Init() {
 	// Get bluez default adapter
 	da, err := bt.GetDefaultAdapter()
 	if err != nil {
 		panic(err)
 	}
 
-	// Power on command (workaround as go-bluetooth does not have a power on function)
-	exec.Command("bluetoothctl", "power", "on").Start()
+	da.SetPowered(true)
 
 	defaultAdapter = da
 }
 
 func Exit() error {
+	if defaultAdapter != nil {
+		defaultAdapter.Close()
+	}
 	return bt.Exit()
 }