2 files changed, 5 insertions, 3 deletions
diff --git a/gui.c b/gui.c
index 05406373..ec1ee951 100644
--- a/gui.c
+++ b/gui.c
@@ -70,9 +70,11 @@ static void barThread(struct bar_t *a) {
 	}
 }
 
-void guiInit(uint16_t updateInterval) {
+Thread *guiInit(uint16_t updateInterval) {
 	Thread *tp = NULL;
 	tp = chThdCreateFromHeap(NULL, THD_WA_SIZE(64), HIGHPRIO-1, TouchPadThread, updateInterval);
+
+	return tp;
 }
 
 Thread *guiDrawButton(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, char *str, uint16_t fontColor, uint16_t buttonColor, uint16_t interval, uint8_t *active, uint8_t *state) {
diff --git a/gui.h b/gui.h
index 66200c7a..d56ca6e7 100644
--- a/gui.h
+++ b/gui.h
@@ -39,9 +39,9 @@ extern "C" {
  * param:
  *		- updateInterval: update interval in milliseconds until next coordinates read-out
  *
- * return: none
+ * return: pointer to created thread
  */
-void guiInit(uint16_t updateIntervl);
+Thread *guiInit(uint16_t updateIntervl);
 
 /*
  * Description:	draws button and creates thread which keeps pressed/unpressed state up-to-date