bugfix

Marlin-bugfix-2.0.x-15062020/Marlin/src/HAL/DUE/spi_pins.h

@@ -0,0 +1,64 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 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/>.
+ *
+ */
+#pragma once
+
+/**
+ * Define SPI Pins: SCK, MISO, MOSI, SS
+ *
+ * Available chip select pins for HW SPI are 4 10 52 77
+ */
+#if SDSS == 4 || SDSS == 10 || SDSS == 52 || SDSS == 77 || SDSS == 87
+  #if SDSS == 4
+    #define SPI_PIN         87
+    #define SPI_CHAN         1
+  #elif SDSS == 10
+    #define SPI_PIN         77
+    #define SPI_CHAN         0
+  #elif SDSS == 52
+    #define SPI_PIN         86
+    #define SPI_CHAN         2
+  #elif SDSS == 77
+    #define SPI_PIN         77
+    #define SPI_CHAN         0
+  #else
+    #define SPI_PIN         87
+    #define SPI_CHAN         1
+  #endif
+  #define SCK_PIN           76
+  #define MISO_PIN          74
+  #define MOSI_PIN          75
+#else
+  // defaults
+  #define DUE_SOFTWARE_SPI
+  #ifndef SCK_PIN
+    #define SCK_PIN           52
+  #endif
+  #ifndef MISO_PIN
+    #define MISO_PIN          50
+  #endif
+  #ifndef MOSI_PIN
+    #define MOSI_PIN          51
+  #endif
+#endif
+
+/* A.28, A.29, B.21, C.26, C.29 */
+#define SS_PIN            SDSS