Set pullup on BTN_BACK pin (#15654)

2019-10-24 12:04:45 -05:00
parent b7db91c46d
commit efeb6efe77
2 changed files with 7 additions and 3 deletions
--- a/Marlin/src/lcd/ultralcd.cpp
+++ b/Marlin/src/lcd/ultralcd.cpp
@ -295,6 +295,10 @@ void MarlinUI::init() {
      SET_INPUT_PULLUP(BTN_ENC);
    #endif

+    #if BUTTON_EXISTS(BACK)
+      SET_INPUT_PULLUP(BTN_BACK);
+    #endif
+
    #if BUTTON_EXISTS(UP)
      SET_INPUT(BTN_UP);
    #endif