#define _MAX_Z_JERK 0.4 // portalo a 0.2

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#define _MAX_FEEDRATE {500, 500, 5, 45} // (mm/sec)

//// Calibration variables
// X, Y, Z, E steps per unit - Metric Prusa Mendel with Wade extruder:
#define _AXIS_STEP_PER_UNIT {32, 32, 1000,700}
// Metric Prusa Mendel with Makergear geared stepper extruder:
//#define _AXIS_STEP_PER_UNIT {80,80,3200/1.25,1380}
// MakerGear Hybrid Prusa Mendel:
// Z axis value is for .9 stepper(if you have 1.8 steppers for Z, you need to use 2272.7272)
//#define _AXIS_STEP_PER_UNIT {104.987, 104.987, 4545.4544, 1487}

//-----------------------------------------------------------------------
//// MOVEMENT SETTINGS
//-----------------------------------------------------------------------
const int NUM_AXIS = 4; // The axis order in all axis related arrays is X, Y, Z, E
#define _MAX_FEEDRATE {500, 500, 5, 45}       // (mm/sec)    
#define _HOMING_FEEDRATE {1500,1500,50}      // (mm/min) !!
#define _AXIS_RELATIVE_MODES {false, false, false, false}

#define MAX_STEP_FREQUENCY 30000 // Max step frequency

//For the retract (negative Extruder) move this maxiumum Limit of Feedrate is used
//The next positive Extruder move use also this Limit, 
//then for the next (second after retract) move the original Maximum (_MAX_FEEDRATE) Limit is used
#define MAX_RETRACT_FEEDRATE 100    //mm/sec

//-----------------------------------------------------------------------
//// Acceleration settings
//-----------------------------------------------------------------------
// 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 _ACCELERATION 1000         // Axis Normal acceleration mm/s^2
#define _RETRACT_ACCELERATION 2000 // Extruder Normal acceleration mm/s^2
#define _MAX_XY_JERK 20.0
#define _MAX_Z_JERK 0.4
#define _MAX_E_JERK 5.0    // (mm/sec)
//#define _MAX_START_SPEED_UNITS_PER_SECOND {25.0,25.0,0.2,10.0}
#define _MAX_ACCELERATION_UNITS_PER_SQ_SECOND {3000,3000,50,3000}    // X, Y, Z and E max acceleration in mm/s^2 for printing moves or retracts


// Minimum planner junction speed. Sets the default minimum speed the planner plans for at the end
// of the buffer and all stops. This should not be much greater than zero and should only be changed
// if unwanted behavior is observed on a user's machine when running at very slow speeds.
#define MINIMUM_PLANNER_SPEED 0.05 // (mm/sec)

#define DEFAULT_MINIMUMFEEDRATE       0.0     // minimum feedrate
#define DEFAULT_MINTRAVELFEEDRATE     0.0

#define _MIN_SEG_TIME 20000

// If defined the movements slow down when the look ahead buffer is only half full
#define SLOWDOWN


const int dropsegments=5; //everything with less than this number of steps will be ignored as move and joined with the next movement