Fix Printrboard with LCD (redo)

Based on #2860 - rebased for RCBugFix
2016-03-05 22:03:16 -08:00
parent eb85342fd9
commit 3a3d358df9
4 changed files with 34 additions and 9 deletions
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@ -631,6 +631,13 @@ void servo_init() {
 *    • status LEDs
 */
 void setup() {
+
+  #ifdef DISABLE_JTAG
+    // Disable JTAG on AT90USB chips to free up pins for IO
+    MCUCR = 0x80;
+    MCUCR = 0x80;
+  #endif
+
  setup_killpin();
  setup_filrunoutpin();
  setup_powerhold();