Marlin_Firmware/Marlin/src/HAL/HAL_LPC1768/spi_pins.h

/**
 * Marlin 3D Printer Firmware
 * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
 *
 * Based on Sprinter and grbl.
 * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef SPI_PINS_LPC1768_H
#define SPI_PINS_LPC1768_H

#include "../../inc/MarlinConfig.h"

#if MB(MKS_SBASE)

  #define LPC_SOFTWARE_SPI  // MKS_SBASE needs a software SPI because the
                            // selected pins are not on a hardware SPI controller

  // A custom cable is needed. See the README file in the
  // Marlin\src\config\examples\Mks\Sbase directory

  #define SCK_PIN           P1_22  // J8-2 (moved from EXP2 P0.7)
  #define MISO_PIN          P1_23  // J8-3 (moved from EXP2 P0.8)
  #define MOSI_PIN          P2_12  // J8-4 (moved from EXP2 P0.5)
  #define SS_PIN            P0_28
  #define SD_DETECT_PIN     P0_27

#else

  #define LPC_SOFTWARE_SPI  // Re-ARM board needs a software SPI because using the
                            // standard LCD adapter results in the LCD and the
                            // SD card sharing a single SPI when the RepRap Full
                            // Graphic Smart Controller is selected

  /** onboard SD card */
  //#define SCK_PIN           P0_07
  //#define MISO_PIN          P0_08
  //#define MOSI_PIN          P0_09
  //#define SS_PIN            P0_06
  /** external */
  #ifndef SCK_PIN
    #define SCK_PIN           P0_15
  #endif
  #ifndef MISO_PIN
    #define MISO_PIN          P0_17
  #endif
  #ifndef MOSI_PIN
    #define MOSI_PIN          P0_18
  #endif
  #ifndef SS_PIN
    #define SS_PIN            P1_23
  #endif

#endif // MKS_SBASE

#ifndef SDSS
  #define SDSS              SS_PIN
#endif

#endif // SPI_PINS_LPC1768_H