Update Configuration.h

Changed the Z axis values

README

@@ -1,3 +1,5 @@
+//this file is for the CERN Robotics club reprap. All the custom settings for our build are in config.h. Please download and flash this file. 
+
 The leading developers of Sprinter are currently Kliment, caru and midopple, though many others contribute with their patches.
 
 This is a firmware for RAMPS and other reprap single-processor electronics setups. It supports printing from SD card, active heatbed control, and ATmega internal pullups.
@@ -44,16 +46,8 @@ Software installation
 Arduino software v1 has not been tested much, but is known to work with some boards.
    http://www.arduino.cc/en/Main/Software
 
-3. Get the sanguino software, version 0023
-   http://sanguino.cc/softwareforlinux
-
-follow the sanguino's readme so that your arduino hardware folder looks like 
-  arduino-0023/hardware/arduino
-  arduino-0023/hardware/sanguino
-  arduino-0023/hardware/tools
-
 4. Clone the Sprinter git repository. 
-   git clone https://github.com/kliment/Sprinter.git
+   git clone https://github.com/pingud98/Sprinter.git
 Optionally, switch to the desired branch
   git branch -a
   git checkout THE_BRANCH_YOU_WANT
@@ -66,14 +60,11 @@ Firmware compilation and upload
 6. Run make. If everything goes well Sprinter/applet/Sprinter.cpp should have been created.
 You can safely ignore the error message mentioning arduino-0023/hardware/arduino/cores/arduino/WString.o
 
-7. Connect your Sanguinololu to your computer
-   http://reprap.org/wiki/Sanguinololu
-
 8. Launch arduino-0023/arduino, open Sprinter/Sprinter.pde
 
 9. Go to Tools -> Serial Port, and select the relevant option
 
-10. Go to Tools -> Board, select Sanguino
+10. Go to Tools -> Board, select Arduino Mega 2560
 
 11. Go to the Configuration.h file and edit the following lines:
    #define MOTHERBOARD 62

Sprinter/Configuration.h

@@ -32,7 +32,12 @@
 
 //// Calibration variables
 // X, Y, Z, E steps per unit - Metric Prusa Mendel with Wade extruder:
-#define _AXIS_STEP_PER_UNIT {80, 80, 3200/1.25,700}
+
+// old values:
+//#define _AXIS_STEP_PER_UNIT {160, 160, 3200/0.80,350}
+// new values by Fosfor, 2015-04-29:
+#define _AXIS_STEP_PER_UNIT {228.57, 160, 5120, 1167.99}
+
 // Metric Prusa Mendel with Makergear geared stepper extruder:
 //#define _AXIS_STEP_PER_UNIT {80,80,3200/1.25,1380}
 // MakerGear Hybrid Prusa Mendel:
@@ -45,9 +50,9 @@
 // The pullups are needed if you directly connect a mechanical endswitch between the signal and ground pins.
 //If your axes are only moving in one direction, make sure the endstops are connected properly.
 //If your axes move in one direction ONLY when the endstops are triggered, set [XYZ]_ENDSTOP_INVERT to true here:
-const bool X_ENDSTOP_INVERT = false;
+const bool X_ENDSTOP_INVERT = true;
-const bool Y_ENDSTOP_INVERT = false;
+const bool Y_ENDSTOP_INVERT = true;
-const bool Z_ENDSTOP_INVERT = false;
+const bool Z_ENDSTOP_INVERT = true;
 
 // This determines the communication speed of the printer
 #define BAUDRATE 115200
@@ -71,11 +76,11 @@ const bool Z_ENDSTOP_INVERT = false;
 // M502 - reverts to the default "factory settings". You still need to store them in EEPROM afterwards if you want to.
 // M503 - Print settings
 // define this to enable eeprom support
-//#define USE_EEPROM_SETTINGS
+#define USE_EEPROM_SETTINGS
 
 // to disable EEPROM Serial responses and decrease program space by ~1000 byte: comment this out:
 // please keep turned on if you can.
-//#define PRINT_EEPROM_SETTING
+#define PRINT_EEPROM_SETTING
 
 //-----------------------------------------------------------------------
 //// ARC Function (G2/G3 Command)
@@ -139,15 +144,15 @@ const bool max_software_endstops = true; //If true, axis won't move to coordinat
 //-----------------------------------------------------------------------
 //Max Length for Prusa Mendel, check the ways of your axis and set this Values
 //-----------------------------------------------------------------------
-const int X_MAX_LENGTH = 200;
+const int X_MAX_LENGTH = 130;
-const int Y_MAX_LENGTH = 200;
+const int Y_MAX_LENGTH = 110;
-const int Z_MAX_LENGTH = 100;
+const int Z_MAX_LENGTH = 90;
 
 //-----------------------------------------------------------------------
 //// MOVEMENT SETTINGS
 //-----------------------------------------------------------------------
 const int NUM_AXIS = 4; // The axis order in all axis related arrays is X, Y, Z, E
-#define _MAX_FEEDRATE {400, 400, 2, 45}       // (mm/sec)    
+#define _MAX_FEEDRATE {400, 400, 2, 25}       // (mm/sec)    
 #define _HOMING_FEEDRATE {1500,1500,120}      // (mm/min) !!
 #define _AXIS_RELATIVE_MODES {false, false, false, false}
 
@@ -390,3 +395,4 @@ const int dropsegments=5; //everything with less than this number of steps will
 #endif
 
 #endif
+

Sprinter/heater.cpp

@@ -794,7 +794,7 @@ int temp2analog_thermistor(int celsius, const short table[][2], int numtemps)
 #if defined (HEATER_USES_AD595) || defined (BED_USES_AD595)
 int temp2analog_ad595(int celsius) 
 {
-    return celsius * 1024 / (500);
+    return (celsius * 1024.0) / (500.0);
 }
 #endif
 
@@ -835,7 +835,7 @@ int analog2temp_thermistor(int raw,const short table[][2], int numtemps) {
 #if defined (HEATER_USES_AD595) || defined (BED_USES_AD595)
 int analog2temp_ad595(int raw)
 {
-        return raw * 500 / 1024;
+        return (raw * 500.0) / 1024.0;
 }
 #endif