Марлин игнорирует концевики - где копать?

Господа, приветствую. Прошу помощи в настройке прошивки Марлин 1.Х.Х для лазерного гравера. взято с гитхаба https://github.com/timschmidt/buildlog-lasercutter-marlin

Проблема - игнорирует механические концевики. Уже второй день бьюсь. Причем прошивка просто для принтера работает нормально - концевики нормально отрабатывают парковку. Вчера репитер ставил - тоже норм, на нем может быть и остался бы, но с экраном там беда. Вчера правда я как то и где то в прошивке все же сменил так чтоб концевики работали (уже забыл где), но работали они странно - если по Х срабатывал раньше, то все движение прекращалось, до У даже не доходило, если раньше касалось У то просто катилось к Х без повторной медленной парковки в У. Скидываю раздел кода. Механика CoreXY (именно она а не HBOT), агрегат на фото. еще есть вопросы по подключению и настройки управления TTL, но по порядку...

//===========================================================================

//=============================Mechanical Settings===========================

//===========================================================================

// Uncomment the following line to enable CoreXY kinematics

#define COREXY

// coarse Endstop Settings

#define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors

#ifndef ENDSTOPPULLUPS

// fine Enstop settings: Individual Pullups. will be ignored if ENDSTOPPULLUPS is defined

// #define ENDSTOPPULLUP_XMAX

// #define ENDSTOPPULLUP_YMAX

// #define ENDSTOPPULLUP_ZMAX

// #define ENDSTOPPULLUP_XMIN

// #define ENDSTOPPULLUP_YMIN

// #define ENDSTOPPULLUP_ZMIN

#endif

#ifdef ENDSTOPPULLUPS

#define ENDSTOPPULLUP_XMAX

#define ENDSTOPPULLUP_YMAX

#define ENDSTOPPULLUP_ZMAX

#define ENDSTOPPULLUP_XMIN

#define ENDSTOPPULLUP_YMIN

#define ENDSTOPPULLUP_ZMIN

#endif

// The pullups are needed if you directly connect a mechanical endswitch between the signal and ground pins.

const bool X_MIN_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.

const bool Y_MIN_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.

const bool Z_MIN_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.

const bool X_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.

const bool Y_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.

const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.

#define DISABLE_MAX_ENDSTOPS

//#define DISABLE_MIN_ENDSTOPS

// Disable max endstops for compatibility with endstop checking routine

#if defined(COREXY) && !defined(DISABLE_MAX_ENDSTOPS)

#define DISABLE_MAX_ENDSTOPS

#endif

// For Inverting Stepper Enable Pins (Active Low) use 0, Non Inverting (Active High) use 1

#define X_ENABLE_ON 0

#define Y_ENABLE_ON 0

#define Z_ENABLE_ON 0

#define E_ENABLE_ON 0 // For all extruders

// Disables axis when it's not being used.

#define DISABLE_X false

#define DISABLE_Y false

#define DISABLE_Z true

#define DISABLE_E true // For all extruders

// For Z-Axis with leadscrews, uncomment to save homeing status when disabling steppers (axis is unlikely to move on its own)

#define Z_AXIS_IS_LEADSCREW

#define INVERT_X_DIR true // for Mendel set to false, for Orca set to true

#define INVERT_Y_DIR true // for Mendel set to true, for Orca set to false

#define INVERT_Z_DIR false // for Mendel set to false, for Orca set to true

#define INVERT_E0_DIR false // for direct drive extruder v9 set to true, for geared extruder set to false

#define INVERT_E1_DIR false // for direct drive extruder v9 set to true, for geared extruder set to false

#define INVERT_E2_DIR false // for direct drive extruder v9 set to true, for geared extruder set to false

// ENDSTOP SETTINGS:

// Sets direction of endstops when homing; 1=MAX, -1=MIN

#define X_HOME_DIR -1

#define Y_HOME_DIR -1

#define Z_HOME_DIR -1

#define min_software_endstops true // If true, axis won't move to coordinates less than HOME_POS.

#define max_software_endstops true // If true, axis won't move to coordinates greater than the defined lengths below.

// Travel limits after homing

// AMRI Laser Cutter

//#define X_MAX_POS 600

//#define X_MIN_POS 0

//#define Y_MAX_POS 475

//#define Y_MIN_POS 0

//#define Z_MAX_POS 90

//#define Z_MIN_POS 0

// Lansing Makers Netowrk Laser Cutter

#define X_MAX_POS 300

#define X_MIN_POS 0

#define Y_MAX_POS 300

#define Y_MIN_POS 0

#define Z_MAX_POS 95

#define Z_MIN_POS 0

// China Town K40 CO2 Laser Engraver/Cutter

//#define X_MAX_POS 337

//#define X_MIN_POS 0

//#define Y_MAX_POS 230

//#define Y_MIN_POS 0

//#define Z_MAX_POS 75

//#define Z_MIN_POS 0

#define X_MAX_LENGTH (X_MAX_POS - X_MIN_POS)

#define Y_MAX_LENGTH (Y_MAX_POS - Y_MIN_POS)

#define Z_MAX_LENGTH (Z_MAX_POS - Z_MIN_POS)

// The position of the homing switches

//#define MANUAL_HOME_POSITIONS // If defined, MANUAL_*_HOME_POS below will be used

//#define BED_CENTER_AT_0_0 // If defined, the center of the bed is at (X=0, Y=0)

//Manual homing switch locations:

// For deltabots this means top and center of the cartesian print volume.

#define MANUAL_X_HOME_POS 0

#define MANUAL_Y_HOME_POS 0

#define MANUAL_Z_HOME_POS 0

//#define MANUAL_Z_HOME_POS 402 // For delta: Distance between nozzle and print surface after homing.

//// MOVEMENT SETTINGS

#define NUM_AXIS 4 // The axis order in all axis related arrays is X, Y, Z, E

#define HOMING_FEEDRATE {1500, 1500, 240, 0} // set the homing speeds (mm/min)

// default settings

// AMRI Laser Cutter

//#define DEFAULT_AXIS_STEPS_PER_UNIT {167.20882, 167.20882, 4000/25.4, 1380/4}

//#define DEFAULT_MAX_FEEDRATE {165, 165, 50, 200000} // (mm/sec)

//#define DEFAULT_MAX_ACCELERATION {5000,5000,5000,500} // 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 DEFAULT_ACCELERATION 3000 // X, Y, Z and E max acceleration in mm/s^2 for printing moves

//#define DEFAULT_RETRACT_ACCELERATION 3000 // X, Y, Z and E max acceleration in mm/s^2 for r retracts

// Lansing Makers Netowork Laser Cutter

#define DEFAULT_AXIS_STEPS_PER_UNIT {(200*16)/(2.0*20),(200*16)/(2.0*20),6047.2440} // default steps per unit for Ultimaker

#define DEFAULT_MAX_FEEDRATE {2000, 2000, 10, 25} // (mm/sec)

#define DEFAULT_MAX_ACCELERATION {2000,2000,2.5,2.5} // 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 DEFAULT_ACCELERATION 1500 // X, Y, Z and E max acceleration in mm/s^2 for printing moves

#define DEFAULT_RETRACT_ACCELERATION 2000 // X, Y, Z and E max acceleration in mm/s^2 for retracts

// Offset of the extruders (uncomment if using more than one and relying on firmware to position when changing).

// The offset has to be X=0, Y=0 for the extruder 0 hotend (default extruder).

// For the other hotends it is their distance from the extruder 0 hotend.

// #define EXTRUDER_OFFSET_X {0.0, 20.00} // (in mm) for each extruder, offset of the hotend on the X axis

// #define EXTRUDER_OFFSET_Y {0.0, 5.00} // (in mm) for each extruder, offset of the hotend on the Y axis

// The speed change that does not require acceleration (i.e. the software might assume it can be done instantaneously)

#define DEFAULT_XYJERK 20.0 // (mm/sec)

#define DEFAULT_ZJERK 0.4 // (mm/sec)

#define DEFAULT_EJERK 5.0 // (mm/sec)