From 69e8620fb2cf67fc8d23ba567bf4219d31f73623 Mon Sep 17 00:00:00 2001
From: kraus <olikraus@gmail.com>
Date: Sat, 24 Mar 2018 23:32:46 +0100
Subject: [PATCH] issue #518

---
 cppsrc/U8g2lib.h | 8 ++++----
 cppsrc/U8x8lib.h | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/cppsrc/U8g2lib.h b/cppsrc/U8g2lib.h
index d55a4f51..ff7bff07 100644
--- a/cppsrc/U8g2lib.h
+++ b/cppsrc/U8g2lib.h
@@ -121,9 +121,9 @@ class U8G2 : public Print
       u8g2_SetDisplayRotation(&u8g2, u8g2_cb); }
 
     
-    void begin(void) {
+    bool begin(void) {
       /* note: call to u8x8_utf8_init is not required here, this is done in the setup procedures before */
-      initDisplay(); clearDisplay(); setPowerSave(0); }
+      initDisplay(); clearDisplay(); setPowerSave(0); return 1;}
 
     void beginSimple(void) {
       /* does not clear the display and does not wake up the display */
@@ -132,14 +132,14 @@ class U8G2 : public Print
       
 #ifdef U8X8_USE_PINS 
     /* use U8X8_PIN_NONE if a pin is not required */
-    void begin(uint8_t menu_select_pin, uint8_t menu_next_pin, uint8_t menu_prev_pin, uint8_t menu_up_pin = U8X8_PIN_NONE, uint8_t menu_down_pin = U8X8_PIN_NONE, uint8_t menu_home_pin = U8X8_PIN_NONE) {
+    bool begin(uint8_t menu_select_pin, uint8_t menu_next_pin, uint8_t menu_prev_pin, uint8_t menu_up_pin = U8X8_PIN_NONE, uint8_t menu_down_pin = U8X8_PIN_NONE, uint8_t menu_home_pin = U8X8_PIN_NONE) {
       setMenuSelectPin(menu_select_pin);
       setMenuNextPin(menu_next_pin);
       setMenuPrevPin(menu_prev_pin);
       setMenuUpPin(menu_up_pin);
       setMenuDownPin(menu_down_pin);
       setMenuHomePin(menu_home_pin);
-      begin(); }
+      return begin(); }
 #endif
 
     /* u8g2  */
diff --git a/cppsrc/U8x8lib.h b/cppsrc/U8x8lib.h
index 3ae14f14..71fbd931 100644
--- a/cppsrc/U8x8lib.h
+++ b/cppsrc/U8x8lib.h
@@ -191,19 +191,19 @@ class U8X8 : public Print
     void setPowerSave(uint8_t is_enable) {
       u8x8_SetPowerSave(&u8x8, is_enable); }
 
-    void begin(void) {
-      initDisplay(); clearDisplay(); setPowerSave(0); }
+    bool begin(void) {
+      initDisplay(); clearDisplay(); setPowerSave(0); return 1; }
 
 #ifdef U8X8_USE_PINS 
     /* use U8X8_PIN_NONE if a pin is not required */
-    void begin(uint8_t menu_select_pin, uint8_t menu_next_pin, uint8_t menu_prev_pin, uint8_t menu_up_pin = U8X8_PIN_NONE, uint8_t menu_down_pin = U8X8_PIN_NONE, uint8_t menu_home_pin = U8X8_PIN_NONE) {
+    bool begin(uint8_t menu_select_pin, uint8_t menu_next_pin, uint8_t menu_prev_pin, uint8_t menu_up_pin = U8X8_PIN_NONE, uint8_t menu_down_pin = U8X8_PIN_NONE, uint8_t menu_home_pin = U8X8_PIN_NONE) {
       setMenuSelectPin(menu_select_pin);
       setMenuNextPin(menu_next_pin);
       setMenuPrevPin(menu_prev_pin);
       setMenuUpPin(menu_up_pin);
       setMenuDownPin(menu_down_pin);
       setMenuHomePin(menu_home_pin);
-      begin(); }
+      return begin(); }
 #endif
       
     void setFlipMode(uint8_t mode) {