marlin/Marlin/src/HAL/STM32/pinsDebug.h

/**
 * Marlin 3D Printer Firmware
 * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
 *
 * 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/>.
 *
 */
#pragma once

#if !(defined(NUM_DIGITAL_PINS) || defined(BOARD_NR_GPIO_PINS))
  #error "M43 not supported for this board"
#endif

// Strange - STM32F4 comes to HAL_STM32 rather than HAL_STM32F4 for these files
#ifdef STM32F4
  #ifdef NUM_DIGITAL_PINS            // Only in ST's Arduino core (STM32duino, STM32Core)
    #include "pinsDebug_STM32duino.h"
  #elif defined(BOARD_NR_GPIO_PINS)  // Only in STM32GENERIC (Maple)
    #include "pinsDebug_STM32GENERIC.h"
  #else
    #error "M43 not supported for this board"
  #endif
#endif