Prevent SD card insertion from causing a hang when using LiquidTWI2 device detection

11 years ago · 0ddee3c7db
1 changed files with 1 additions and 1 deletions
--- a/Marlin/ultralcd.cpp
+++ b/Marlin/ultralcd.cpp
@ -1051,7 +1051,7 @@ void lcd_update()
    lcd_buttons_update();
    #if (SDCARDDETECT > 0)
-    if((IS_SD_INSERTED != lcd_oldcardstatus))
+    if((IS_SD_INSERTED != lcd_oldcardstatus && lcd_detected()))
    {
        lcdDrawUpdate = 2;
        lcd_oldcardstatus = IS_SD_INSERTED;