Merge branch 'Marlin_v1', remote-tracking branch 'origin/Marlin_v1' into Marlin_v1

Marlin/Configuration.h

   
 #define PIDTEMP
 #ifdef PIDTEMP
+  #if MOTHERBOARD == 62
+    #error Sanguinololu does not support PID, sorry. Please disable it.
+  #endif
   //#define PID_DEBUG // Sends debug data to the serial port. 
   //#define PID_OPENLOOP 1 // Puts PID in open loop. M104 sets the output power in %
   
 
 //// MOVEMENT SETTINGS
 #define NUM_AXIS 4 // The axis order in all axis related arrays is X, Y, Z, E
-//note: on bernhards ultimaker 200 200 12 are working well.
 #define HOMING_FEEDRATE {50*60, 50*60, 4*60, 0}  // set the homing speeds (mm/min)
 
 #define AXIS_RELATIVE_MODES {false, false, false, false}
 // default settings 
 
 #define DEFAULT_AXIS_STEPS_PER_UNIT   {78.7402,78.7402,200*8/3,760*1.1}                    // default steps per unit for ultimaker 
-//#define DEFAULT_AXIS_STEPS_PER_UNIT   {40, 40, 3333.92, 67} 
+//#define DEFAULT_AXIS_STEPS_PER_UNIT   {40, 40, 3333.92, 67} //sells mendel with v9 extruder
 #define DEFAULT_MAX_FEEDRATE          {500, 500, 5, 200000}    // (mm/sec)    
 #define DEFAULT_MAX_ACCELERATION      {9000,9000,100,10000}    // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for skeinforge 40+, for older versions raise them a lot.
 
 #define EEPROM_CHITCHAT
 
 
-// The watchdog waits for the watchperiod in milliseconds whenever an M104 or M109 increases the target temperature
+// The hardware watchdog should halt the Microcontroller, in case the firmware gets stuck somewhere. However:
+// the Watchdog is not working well, so please only enable this for testing
 // this enables the watchdog interrupt.
 //#define USE_WATCHDOG
 //#ifdef USE_WATCHDOG
 //#define ULTRA_LCD  //general lcd support, also 16x2
 //#define SDSUPPORT // Enable SD Card Support in Hardware Console
 
-#define ULTIPANEL
+//#define ULTIPANEL
 #ifdef ULTIPANEL
   //#define NEWPANEL  //enable this if you have a click-encoder panel
   #define SDSUPPORT
 #define N_ARC_CORRECTION 25
 
 
-//automatic temperature: just for testing, this is very dangerous, keep disabled!
-// not working yet.
+//automatic temperature: The hot end target temperature is calculated by all the buffered lines of gcode.
+//The maximum buffered steps/sec of the extruder motor are called "se".
+//You enter the autotemp mode by a M109 S<mintemp> T<maxtemp> F<factor>
+// the target temperature is set to mintemp+factor*se[steps/sec] and limited by mintemp and maxtemp
+// you exit the value by any M109 without F*
+// Also, if the temperature is set to a value <mintemp, it is not changed by autotemp.
+// on an ultimaker, some initial testing worked with M109 S215 T260 F0.1 in the start.gcode
 //#define AUTOTEMP
 #ifdef AUTOTEMP
   #define AUTOTEMP_OLDWEIGHT 0.98

Marlin/Marlin.pde

 // M114 - Display current position
 
 //Custom M Codes
+// M17  - Enable/Power all stepper motors
+// M18  - Disable all stepper motors; same as M84
 // M20  - List SD card
 // M21  - Init SD card
 // M22  - Release SD card
 //        or use S<seconds> to specify an inactivity timeout, after which the steppers will be disabled.  S0 to disable the timeout.
 // M85  - Set inactivity shutdown timer with parameter S<seconds>. To disable set zero (default)
 // M92  - Set axis_steps_per_unit - same syntax as G92
+// M114 - Output current position to serial port 
 // M115	- Capabilities string
+// M119 - Output Endstop status to serial port
 // M140 - Set bed target temp
 // M190 - Wait for bed current temp to reach target temp.
 // M200 - Set filament diameter
 
     switch( (int)code_value() ) 
     {
+       case 17:
+        LCD_MESSAGEPGM("No move.");
+        enable_x(); 
+        enable_y(); 
+        enable_z(); 
+        enable_e(); 
+      break;
     #ifdef SDSUPPORT
 
     case 20: // M20 - list SD card

Marlin/cardreader.h

   void closefile();
   void release();
   void startFileprint();
-  //void startFilewrite(char *name);
   void pauseSDPrint();
   void getStatus();
-  void cd(char * absolutPath);
-  //void selectFile(char* name);
+
   void getfilename(const uint8_t nr);
   uint16_t getnrfilenames();
   
 
   void ls();
-  void lsDive(char *prepend,SdFile parent);
+  
 
   inline bool eof() { return sdpos>=filesize ;};
   inline int16_t get() {  sdpos = file.curPosition();return (int16_t)file.read();};
   LsAction lsAction; //stored for recursion.
   int16_t nrFiles; //counter for the files in the current directory and recycled as position counter for getting the nrFiles'th name in the directory.
   char* diveDirName;
+  void lsDive(char *prepend,SdFile parent);
 };
   
 
 #else
+
+#define dir_t bool 
 class CardReader
 {
 public:
   
   inline static void checkautostart(bool x) {}; 
   
+  inline static void openFile(char* name,bool read){};
   inline static void closefile() {};
   inline static void release(){};
   inline static void startFileprint(){};
   inline static bool eof() {return true;};
   inline static char get() {return 0;};
   inline static void setIndex(){};
+  inline uint8_t percentDone(){return 0;};
 };
 #endif //SDSUPPORT
-  
-  
-  
 #endif

Marlin/cardreader.pde

-#ifdef SDSUPPORT
 #include "cardreader.h"
+#ifdef SDSUPPORT
 
 CardReader::CardReader()
 {
   return nrFiles;
 }
 
-void CardReader::cd(char * absolutPath)
-{
-  
-}
 
 #endif //SDSUPPORT