Initial commit. Unusable Marlin 2.0.5.3 core without any custimization.

Marlin/src/HAL/STM32/pinsDebug.h

@@ -0,0 +1,34 @@
+/**
+ * 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