MarlinFirmware/Marlin/stepper_indirection.h

/*
  stepper_indirection.h - stepper motor driver indirection macros
  to allow some stepper functions to be done via SPI/I2c instead of direct pin manipulation
  Part of Marlin

  Copyright (c) 2015 Dominik Wenger

  Marlin is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  Marlin is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with Marlin.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef STEPPER_INDIRECTION_H
#define STEPPER_INDIRECTION_H

#include "macros.h"

// X motor
#define X_STEP_INIT SET_OUTPUT(X_STEP_PIN)
#define X_STEP_WRITE(STATE) WRITE(X_STEP_PIN,STATE)
#define X_STEP_READ READ(X_STEP_PIN)

#define X_DIR_INIT SET_OUTPUT(X_DIR_PIN)
#define X_DIR_WRITE(STATE) WRITE(X_DIR_PIN,STATE)
#define X_DIR_READ READ(X_DIR_PIN)

#define X_ENABLE_INIT SET_OUTPUT(X_ENABLE_PIN)
#define X_ENABLE_WRITE(STATE) WRITE(X_ENABLE_PIN,STATE)
#define X_ENABLE_READ READ(X_ENABLE_PIN)

// X2 motor
#define X2_STEP_INIT SET_OUTPUT(X2_STEP_PIN)
#define X2_STEP_WRITE(STATE) WRITE(X2_STEP_PIN,STATE)
#define X2_STEP_READ READ(X2_STEP_PIN)

#define X2_DIR_INIT SET_OUTPUT(X2_DIR_PIN)
#define X2_DIR_WRITE(STATE) WRITE(X2_DIR_PIN,STATE)
#define X2_DIR_READ READ(X_DIR_PIN)

#define X2_ENABLE_INIT SET_OUTPUT(X2_ENABLE_PIN)
#define X2_ENABLE_WRITE(STATE) WRITE(X2_ENABLE_PIN,STATE)
#define X2_ENABLE_READ READ(X_ENABLE_PIN)

// Y motor
#define Y_STEP_INIT SET_OUTPUT(Y_STEP_PIN)
#define Y_STEP_WRITE(STATE) WRITE(Y_STEP_PIN,STATE)
#define Y_STEP_READ READ(Y_STEP_PIN)

#define Y_DIR_INIT SET_OUTPUT(Y_DIR_PIN)
#define Y_DIR_WRITE(STATE) WRITE(Y_DIR_PIN,STATE)
#define Y_DIR_READ READ(Y_DIR_PIN)

#define Y_ENABLE_INIT SET_OUTPUT(Y_ENABLE_PIN)
#define Y_ENABLE_WRITE(STATE) WRITE(Y_ENABLE_PIN,STATE)
#define Y_ENABLE_READ READ(Y_ENABLE_PIN)

// Y2 motor
#define Y2_STEP_INIT SET_OUTPUT(Y2_STEP_PIN)
#define Y2_STEP_WRITE(STATE) WRITE(Y2_STEP_PIN,STATE)
#define Y2_STEP_READ READ(Y2_STEP_PIN)

#define Y2_DIR_INIT SET_OUTPUT(Y2_DIR_PIN)
#define Y2_DIR_WRITE(STATE) WRITE(Y2_DIR_PIN,STATE)
#define Y2_DIR_READ READ(Y2_DIR_PIN)

#define Y2_ENABLE_INIT SET_OUTPUT(Y2_ENABLE_PIN)
#define Y2_ENABLE_WRITE(STATE) WRITE(Y2_ENABLE_PIN,STATE)
#define Y2_ENABLE_READ READ(Y2_ENABLE_PIN)

// Z motor
#define Z_STEP_INIT SET_OUTPUT(Z_STEP_PIN)
#define Z_STEP_WRITE(STATE) WRITE(Z_STEP_PIN,STATE)
#define Z_STEP_READ READ(Z_STEP_PIN)

#define Z_DIR_INIT SET_OUTPUT(Z_DIR_PIN)
#define Z_DIR_WRITE(STATE) WRITE(Z_DIR_PIN,STATE)
#define Z_DIR_READ READ(Z_DIR_PIN)

#define Z_ENABLE_INIT SET_OUTPUT(Z_ENABLE_PIN)
#define Z_ENABLE_WRITE(STATE) WRITE(Z_ENABLE_PIN,STATE)
#define Z_ENABLE_READ READ(Z_ENABLE_PIN)

// Z2 motor
#define Z2_STEP_INIT SET_OUTPUT(Z2_STEP_PIN)
#define Z2_STEP_WRITE(STATE) WRITE(Z2_STEP_PIN,STATE)
#define Z2_STEP_READ READ(Z2_STEP_PIN)

#define Z2_DIR_INIT SET_OUTPUT(Z2_DIR_PIN)
#define Z2_DIR_WRITE(STATE) WRITE(Z2_DIR_PIN,STATE)
#define Z2_DIR_READ READ(Z2_DIR_PIN)

#define Z2_ENABLE_INIT SET_OUTPUT(Z2_ENABLE_PIN)
#define Z2_ENABLE_WRITE(STATE) WRITE(Z2_ENABLE_PIN,STATE)
#define Z2_ENABLE_READ READ(Z2_ENABLE_PIN)

// E0 motor
#define E0_STEP_INIT SET_OUTPUT(E0_STEP_PIN)
#define E0_STEP_WRITE(STATE) WRITE(E0_STEP_PIN,STATE)
#define E0_STEP_READ READ(E0_STEP_PIN)

#define E0_DIR_INIT SET_OUTPUT(E0_DIR_PIN)
#define E0_DIR_WRITE(STATE) WRITE(E0_DIR_PIN,STATE)
#define E0_DIR_READ READ(E0_DIR_PIN)

#define E0_ENABLE_INIT SET_OUTPUT(E0_ENABLE_PIN)
#define E0_ENABLE_WRITE(STATE) WRITE(E0_ENABLE_PIN,STATE)
#define E0_ENABLE_READ READ(E0_ENABLE_PIN)

// E1 motor
#define E1_STEP_INIT SET_OUTPUT(E1_STEP_PIN)
#define E1_STEP_WRITE(STATE) WRITE(E1_STEP_PIN,STATE)
#define E1_STEP_READ READ(E1_STEP_PIN)

#define E1_DIR_INIT SET_OUTPUT(E1_DIR_PIN)
#define E1_DIR_WRITE(STATE) WRITE(E1_DIR_PIN,STATE)
#define E1_DIR_READ READ(E1_DIR_PIN)

#define E1_ENABLE_INIT SET_OUTPUT(E1_ENABLE_PIN)
#define E1_ENABLE_WRITE(STATE) WRITE(E1_ENABLE_PIN,STATE)
#define E1_ENABLE_READ READ(E1_ENABLE_PIN)

// E2 motor
#define E2_STEP_INIT SET_OUTPUT(E2_STEP_PIN)
#define E2_STEP_WRITE(STATE) WRITE(E2_STEP_PIN,STATE)
#define E2_STEP_READ READ(E2_STEP_PIN)

#define E2_DIR_INIT SET_OUTPUT(E2_DIR_PIN)
#define E2_DIR_WRITE(STATE) WRITE(E2_DIR_PIN,STATE)
#define E2_DIR_READ READ(E2_DIR_PIN)

#define E2_ENABLE_INIT SET_OUTPUT(E2_ENABLE_PIN)
#define E2_ENABLE_WRITE(STATE) WRITE(E2_ENABLE_PIN,STATE)
#define E2_ENABLE_READ READ(E2_ENABLE_PIN)

// E3 motor
#define E3_STEP_INIT SET_OUTPUT(E3_STEP_PIN)
#define E3_STEP_WRITE(STATE) WRITE(E3_STEP_PIN,STATE)
#define E3_STEP_READ READ(E3_STEP_PIN)

#define E3_DIR_INIT SET_OUTPUT(E3_DIR_PIN)
#define E3_DIR_WRITE(STATE) WRITE(E3_DIR_PIN,STATE)
#define E3_DIR_READ READ(E3_DIR_PIN)

#define E3_ENABLE_INIT SET_OUTPUT(E3_ENABLE_PIN)
#define E3_ENABLE_WRITE(STATE) WRITE(E3_ENABLE_PIN,STATE)
#define E3_ENABLE_READ READ(E3_ENABLE_PIN)

#if EXTRUDERS > 3
  #define E_STEP_WRITE(v) {switch(current_block->active_extruder){case 3:E3_STEP_WRITE(v);break;case 2:E2_STEP_WRITE(v);break;case 1:E1_STEP_WRITE(v);break;default:E0_STEP_WRITE(v);}}
  #define NORM_E_DIR() {switch(current_block->active_extruder){case 3:E3_DIR_WRITE(!INVERT_E3_DIR);break;case 2:E2_DIR_WRITE(!INVERT_E2_DIR);break;case 1:E1_DIR_WRITE(!INVERT_E1_DIR);break;default:E0_DIR_WRITE(!INVERT_E0_DIR);}}
  #define REV_E_DIR() {switch(current_block->active_extruder){case 3:E3_DIR_WRITE(INVERT_E3_DIR);break;case 2:E2_DIR_WRITE(INVERT_E2_DIR);break;case 1:E1_DIR_WRITE(INVERT_E1_DIR);break;default:E0_DIR_WRITE(INVERT_E0_DIR);}}
#elif EXTRUDERS > 2
  #define E_STEP_WRITE(v) {switch(current_block->active_extruder){case 2:E2_STEP_WRITE(v);break;case 1:E1_STEP_WRITE(v);break;default:E0_STEP_WRITE(v);}}
  #define NORM_E_DIR() {switch(current_block->active_extruder){case 2:E2_DIR_WRITE(!INVERT_E2_DIR);break;case 1:E1_DIR_WRITE(!INVERT_E1_DIR);break;default:E0_DIR_WRITE(!INVERT_E0_DIR);}}
  #define REV_E_DIR() {switch(current_block->active_extruder){case 2:E2_DIR_WRITE(INVERT_E2_DIR);break;case 1:E1_DIR_WRITE(INVERT_E1_DIR);break;default:E0_DIR_WRITE(INVERT_E0_DIR);}}
#elif EXTRUDERS > 1
  #define _E_STEP_WRITE(v) {if(current_block->active_extruder==1){E1_STEP_WRITE(v);}else{E0_STEP_WRITE(v);}}
  #define _NORM_E_DIR() {if(current_block->active_extruder==1){E1_DIR_WRITE(!INVERT_E1_DIR);}else{E0_DIR_WRITE(!INVERT_E0_DIR);}}
  #define _REV_E_DIR() {if(current_block->active_extruder==1){E1_DIR_WRITE(INVERT_E1_DIR);}else{E0_DIR_WRITE(INVERT_E0_DIR);}}
  #if DISABLED(DUAL_X_CARRIAGE)
    #define E_STEP_WRITE(v) _E_STEP_WRITE(v)
    #define NORM_E_DIR() _NORM_E_DIR()
    #define REV_E_DIR() _REV_E_DIR()
  #else
    extern bool extruder_duplication_enabled;
    #define E_STEP_WRITE(v) {if(extruder_duplication_enabled){E0_STEP_WRITE(v);E1_STEP_WRITE(v);}else _E_STEP_WRITE(v);}
    #define NORM_E_DIR() {if(extruder_duplication_enabled){E0_DIR_WRITE(!INVERT_E0_DIR);E1_DIR_WRITE(!INVERT_E1_DIR);}else _NORM_E_DIR();}
    #define REV_E_DIR() {if(extruder_duplication_enabled){E0_DIR_WRITE(INVERT_E0_DIR);E1_DIR_WRITE(INVERT_E1_DIR);}else _REV_E_DIR();}
  #endif
#else
  #define E_STEP_WRITE(v) E0_STEP_WRITE(v)
  #define NORM_E_DIR() E0_DIR_WRITE(!INVERT_E0_DIR)
  #define REV_E_DIR() E0_DIR_WRITE(INVERT_E0_DIR)
#endif

//////////////////////////////////
// Pin redefines for TMC drivers.
// TMC26X drivers have step and dir on normal pins, but everything else via SPI
//////////////////////////////////
#if ENABLED(HAVE_TMCDRIVER)
  #include <SPI.h>
  #include <TMC26XStepper.h>

  void tmc_init();
  #if ENABLED(X_IS_TMC)
    extern TMC26XStepper stepperX;
    #undef X_ENABLE_INIT
    #define X_ENABLE_INIT ((void)0)

    #undef X_ENABLE_WRITE
    #define X_ENABLE_WRITE(STATE) stepperX.setEnabled(STATE)

    #undef X_ENABLE_READ
    #define X_ENABLE_READ stepperX.isEnabled()

  #endif
  #if ENABLED(X2_IS_TMC)
    extern TMC26XStepper stepperX2;
    #undef X2_ENABLE_INIT
    #define X2_ENABLE_INIT ((void)0)

    #undef X2_ENABLE_WRITE
    #define X2_ENABLE_WRITE(STATE) stepperX2.setEnabled(STATE)

    #undef X2_ENABLE_READ
    #define X2_ENABLE_READ stepperX2.isEnabled()
  #endif
  #if ENABLED(Y_IS_TMC)
    extern TMC26XStepper stepperY;
    #undef Y_ENABLE_INIT
    #define Y_ENABLE_INIT ((void)0)

    #undef Y_ENABLE_WRITE
    #define Y_ENABLE_WRITE(STATE) stepperY.setEnabled(STATE)

    #undef Y_ENABLE_READ
    #define Y_ENABLE_READ stepperY.isEnabled()
  #endif
  #if ENABLED(Y2_IS_TMC)
    extern TMC26XStepper stepperY2;
    #undef Y2_ENABLE_INIT
    #define Y2_ENABLE_INIT ((void)0)

    #undef Y2_ENABLE_WRITE
    #define Y2_ENABLE_WRITE(STATE) stepperY2.setEnabled(STATE)

    #undef Y2_ENABLE_READ
    #define Y2_ENABLE_READ stepperY2.isEnabled()
  #endif
  #if ENABLED(Z_IS_TMC)
    extern TMC26XStepper stepperZ;
    #undef Z_ENABLE_INIT
    #define Z_ENABLE_INIT ((void)0)

    #undef Z_ENABLE_WRITE
    #define Z_ENABLE_WRITE(STATE) stepperZ.setEnabled(STATE)

    #undef Z_ENABLE_READ
    #define Z_ENABLE_READ stepperZ.isEnabled()
  #endif
  #if ENABLED(Z2_IS_TMC)
    extern TMC26XStepper stepperZ2;
    #undef Z2_ENABLE_INIT
    #define Z2_ENABLE_INIT ((void)0)

    #undef Z2_ENABLE_WRITE
    #define Z2_ENABLE_WRITE(STATE) stepperZ2.setEnabled(STATE)

    #undef Z2_ENABLE_READ
    #define Z2_ENABLE_READ stepperZ2.isEnabled()
  #endif
  #if ENABLED(E0_IS_TMC)
    extern TMC26XStepper stepperE0;
    #undef E0_ENABLE_INIT
    #define E0_ENABLE_INIT ((void)0)

    #undef E0_ENABLE_WRITE
    #define E0_ENABLE_WRITE(STATE) stepperE0.setEnabled(STATE)

    #undef E0_ENABLE_READ
    #define E0_ENABLE_READ stepperE0.isEnabled()
  #endif
  #if ENABLED(E1_IS_TMC)
    extern TMC26XStepper stepperE1;
    #undef E1_ENABLE_INIT
    #define E1_ENABLE_INIT ((void)0)

    #undef E1_ENABLE_WRITE
    #define E1_ENABLE_WRITE(STATE) stepperE1.setEnabled(STATE)

    #undef E1_ENABLE_READ
    #define E1_ENABLE_READ stepperE1.isEnabled()
  #endif
  #if ENABLED(E2_IS_TMC)
    extern TMC26XStepper stepperE2;
    #undef E2_ENABLE_INIT
    #define E2_ENABLE_INIT ((void)0)

    #undef E2_ENABLE_WRITE
    #define E2_ENABLE_WRITE(STATE) stepperE2.setEnabled(STATE)

    #undef E2_ENABLE_READ
    #define E2_ENABLE_READ stepperE2.isEnabled()
  #endif
  #if ENABLED(E3_IS_TMC)
    extern TMC26XStepper stepperE3;
    #undef E3_ENABLE_INIT
    #define E3_ENABLE_INIT ((void)0)

    #undef E3_ENABLE_WRITE
    #define E3_ENABLE_WRITE(STATE) stepperE3.setEnabled(STATE)

    #undef E3_ENABLE_READ
    #define E3_ENABLE_READ stepperE3.isEnabled()
  #endif

#endif  // HAVE_TMCDRIVER

//////////////////////////////////
// Pin redefines for L6470 drivers.
// L640 drivers have step on normal pins, but dir and everything else via SPI
//////////////////////////////////
#if ENABLED(HAVE_L6470DRIVER)

  #include <SPI.h>
  #include <L6470.h>

  void L6470_init();
  #if ENABLED(X_IS_L6470)
    extern L6470 stepperX;
    #undef X_ENABLE_INIT
    #define X_ENABLE_INIT ((void)0)

    #undef X_ENABLE_WRITE
    #define X_ENABLE_WRITE(STATE) {if(STATE) stepperX.Step_Clock(stepperX.getStatus() & STATUS_HIZ); else stepperX.softFree();}

    #undef X_ENABLE_READ
    #define X_ENABLE_READ (stepperX.getStatus() & STATUS_HIZ)

    #undef X_DIR_INIT
    #define X_DIR_INIT ((void)0)

    #undef X_DIR_WRITE
    #define X_DIR_WRITE(STATE) stepperX.Step_Clock(STATE)

    #undef X_DIR_READ
    #define X_DIR_READ (stepperX.getStatus() & STATUS_DIR)

  #endif
  #if ENABLED(X2_IS_L6470)
    extern L6470 stepperX2;
    #undef X2_ENABLE_INIT
    #define X2_ENABLE_INIT ((void)0)

    #undef X2_ENABLE_WRITE
    #define X2_ENABLE_WRITE(STATE) (if(STATE) stepperX2.Step_Clock(stepperX2.getStatus() & STATUS_HIZ); else stepperX2.softFree();)

    #undef X2_ENABLE_READ
    #define X2_ENABLE_READ (stepperX2.getStatus() & STATUS_HIZ)

    #undef X2_DIR_INIT
    #define X2_DIR_INIT ((void)0)

    #undef X2_DIR_WRITE
    #define X2_DIR_WRITE(STATE) stepperX2.Step_Clock(STATE)

    #undef X2_DIR_READ
    #define X2_DIR_READ (stepperX2.getStatus() & STATUS_DIR)
  #endif
  #if ENABLED(Y_IS_L6470)
    extern L6470 stepperY;
    #undef Y_ENABLE_INIT
    #define Y_ENABLE_INIT ((void)0)

    #undef Y_ENABLE_WRITE
    #define Y_ENABLE_WRITE(STATE) (if(STATE) stepperY.Step_Clock(stepperY.getStatus() & STATUS_HIZ); else stepperY.softFree();)

    #undef Y_ENABLE_READ
    #define Y_ENABLE_READ (stepperY.getStatus() & STATUS_HIZ)

    #undef Y_DIR_INIT
    #define Y_DIR_INIT ((void)0)

    #undef Y_DIR_WRITE
    #define Y_DIR_WRITE(STATE) stepperY.Step_Clock(STATE)

    #undef Y_DIR_READ
    #define Y_DIR_READ (stepperY.getStatus() & STATUS_DIR)
  #endif
  #if ENABLED(Y2_IS_L6470)
    extern L6470 stepperY2;
    #undef Y2_ENABLE_INIT
    #define Y2_ENABLE_INIT ((void)0)

    #undef Y2_ENABLE_WRITE
    #define Y2_ENABLE_WRITE(STATE) (if(STATE) stepperY2.Step_Clock(stepperY2.getStatus() & STATUS_HIZ); else stepperY2.softFree();)

    #undef Y2_ENABLE_READ
    #define Y2_ENABLE_READ (stepperY2.getStatus() & STATUS_HIZ)

    #undef Y2_DIR_INIT
    #define Y2_DIR_INIT ((void)0)

    #undef Y2_DIR_WRITE
    #define Y2_DIR_WRITE(STATE) stepperY2.Step_Clock(STATE)

    #undef Y2_DIR_READ
    #define Y2_DIR_READ (stepperY2.getStatus() & STATUS_DIR)
  #endif
  #if ENABLED(Z_IS_L6470)
    extern L6470 stepperZ;
    #undef Z_ENABLE_INIT
    #define Z_ENABLE_INIT ((void)0)

    #undef Z_ENABLE_WRITE
    #define Z_ENABLE_WRITE(STATE) (if(STATE) stepperZ.Step_Clock(stepperZ.getStatus() & STATUS_HIZ); else stepperZ.softFree();)

    #undef Z_ENABLE_READ
    #define Z_ENABLE_READ (stepperZ.getStatus() & STATUS_HIZ)

    #undef Z_DIR_INIT
    #define Z_DIR_INIT ((void)0)

    #undef Z_DIR_WRITE
    #define Z_DIR_WRITE(STATE) stepperZ.Step_Clock(STATE)

    #undef Y_DIR_READ
    #define Y_DIR_READ (stepperZ.getStatus() & STATUS_DIR)
  #endif
  #if ENABLED(Z2_IS_L6470)
    extern L6470 stepperZ2;
    #undef Z2_ENABLE_INIT
    #define Z2_ENABLE_INIT ((void)0)

    #undef Z2_ENABLE_WRITE
    #define Z2_ENABLE_WRITE(STATE) (if(STATE) stepperZ2.Step_Clock(stepperZ2.getStatus() & STATUS_HIZ); else stepperZ2.softFree();)

    #undef Z2_ENABLE_READ
    #define Z2_ENABLE_READ (stepperZ2.getStatus() & STATUS_HIZ)

    #undef Z2_DIR_INIT
    #define Z2_DIR_INIT ((void)0)

    #undef Z2_DIR_WRITE
    #define Z2_DIR_WRITE(STATE) stepperZ2.Step_Clock(STATE)

    #undef Y2_DIR_READ
    #define Y2_DIR_READ (stepperZ2.getStatus() & STATUS_DIR)
  #endif
  #if ENABLED(E0_IS_L6470)
    extern L6470 stepperE0;
    #undef E0_ENABLE_INIT
    #define E0_ENABLE_INIT ((void)0)

    #undef E0_ENABLE_WRITE
    #define E0_ENABLE_WRITE(STATE) (if(STATE) stepperE0.Step_Clock(stepperE0.getStatus() & STATUS_HIZ); else stepperE0.softFree();)

    #undef E0_ENABLE_READ
    #define E0_ENABLE_READ (stepperE0.getStatus() & STATUS_HIZ)

    #undef E0_DIR_INIT
    #define E0_DIR_INIT ((void)0)

    #undef E0_DIR_WRITE
    #define E0_DIR_WRITE(STATE) stepperE0.Step_Clock(STATE)

    #undef E0_DIR_READ
    #define E0_DIR_READ (stepperE0.getStatus() & STATUS_DIR)
  #endif
  #if ENABLED(E1_IS_L6470)
    extern L6470 stepperE1;
    #undef E1_ENABLE_INIT
    #define E1_ENABLE_INIT ((void)0)

    #undef E1_ENABLE_WRITE
    #define E1_ENABLE_WRITE(STATE) (if(STATE) stepperE1.Step_Clock(stepperE1.getStatus() & STATUS_HIZ); else stepperE1.softFree();)

    #undef E1_ENABLE_READ
    #define E1_ENABLE_READ (stepperE1.getStatus() & STATUS_HIZ)

    #undef E1_DIR_INIT
    #define E1_DIR_INIT ((void)0)

    #undef E1_DIR_WRITE
    #define E1_DIR_WRITE(STATE) stepperE1.Step_Clock(STATE)

    #undef E1_DIR_READ
    #define E1_DIR_READ (stepperE1.getStatus() & STATUS_DIR)
  #endif
  #if ENABLED(E2_IS_L6470)
    extern L6470 stepperE2;
    #undef E2_ENABLE_INIT
    #define E2_ENABLE_INIT ((void)0)

    #undef E2_ENABLE_WRITE
    #define E2_ENABLE_WRITE(STATE) (if(STATE) stepperE2.Step_Clock(stepperE2.getStatus() & STATUS_HIZ); else stepperE2.softFree();)

    #undef E2_ENABLE_READ
    #define E2_ENABLE_READ (stepperE2.getStatus() & STATUS_HIZ)

    #undef E2_DIR_INIT
    #define E2_DIR_INIT ((void)0)

    #undef E2_DIR_WRITE
    #define E2_DIR_WRITE(STATE) stepperE2.Step_Clock(STATE)

    #undef E2_DIR_READ
    #define E2_DIR_READ (stepperE2.getStatus() & STATUS_DIR)
  #endif
  #if ENABLED(E3_IS_L6470)
    extern L6470 stepperE3;
    #undef E3_ENABLE_INIT
    #define E3_ENABLE_INIT ((void)0)

    #undef E3_ENABLE_WRITE
    #define E3_ENABLE_WRITE(STATE) (if(STATE) stepperE3.Step_Clock(stepperE3.getStatus() & STATUS_HIZ); else stepperE3.softFree();)

    #undef E3_ENABLE_READ
    #define E3_ENABLE_READ (stepperE3.getStatus() & STATUS_HIZ)

    #undef E3_DIR_INIT
    #define E3_DIR_INIT ((void)0)

    #undef E3_DIR_WRITE
    #define E3_DIR_WRITE(STATE) stepperE3.Step_Clock(STATE)

    #undef E3_DIR_READ
    #define E3_DIR_READ (stepperE3.getStatus() & STATUS_DIR)
  #endif

#endif  //HAVE_L6470DRIVER

#endif // STEPPER_INDIRECTION_H