From: Bernhard <bkubicek@x201.(none)>
Date: Sun, 22 Apr 2012 19:12:17 +0000 (+0200)
Subject: reinitialize the lcd, if the SD card is inserted or removed. It seems that LCDs can... 
X-Git-Tag: iwj-success-2012-07-29~32^2~4
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=e4d2138dbd0856d550d523e6a4b689b045144ffe;p=marlin.git

reinitialize the lcd, if the SD card is inserted or removed. It seems that LCDs can confused by electrical discharges from time to time.
Since a removal or insert of the sd card takes a long time in firmware, just reinitializing the lcd does not hurt.
actually, it solves a problem with the UltiControlle
---

diff --git a/Marlin/ultralcd.pde b/Marlin/ultralcd.pde
index e388890..f2a2b59 100644
--- a/Marlin/ultralcd.pde
+++ b/Marlin/ultralcd.pde
@@ -95,6 +95,7 @@ FORCE_INLINE void clear()
 void lcd_init()
 {
   //beep();
+  
   byte Degree[8] =
   {
     B01100,
@@ -2080,6 +2081,7 @@ void MainMenu::update()
     {
       force_lcd_update=true;
       oldcardstatus=CARDINSERTED;
+      lcd_init(); // to maybe revive the lcd if static electricty killed it.
       //Serial.println("echo: SD CHANGE");
       if(CARDINSERTED)
       {