first compile with the cardreader class

Marlin/cardreader.h

@@ -0,0 +1,47 @@
+#ifndef __CARDREADERH
+#define __CARDREADERH
+
+#ifdef SDSUPPORT
+ 
+#include "SdFat.h"
+
+class CardReader
+{
+public:
+  CardReader();
+  
+  void initsd();
+  void write_command(char *buf);
+  //files auto[0-9].g on the sd card are performed in a row
+  //this is to delay autostart and hence the initialisaiton of the sd card to some seconds after the normal init, so the device is available quick after a reset
+
+  void checkautostart(bool x); 
+  
+  void closefile();
+  void getfilename(const uint8_t nr);
+  uint8_t getnrfilenames();
+
+public:
+  bool savetosd;
+  SdFile file;
+  uint32_t filesize;
+  uint32_t sdpos ;
+  bool sdmode ;
+  SdFile root;
+  bool sdactive ;
+  char filename[11];
+private:
+   Sd2Card card;
+   SdVolume volume;
+
+   //int16_t n;
+   unsigned long autostart_atmillis;
+
+   bool autostart_stilltocheck; //the sd start is delayed, because otherwise the serial cannot answer fast enought to make contact with the hostsoftware.
+};
+  
+#endif //SDSUPPORT
+  
+  
+  
+#endif