1 files changed, 64 insertions, 0 deletions
diff --git a/Marlin/src/HAL/DUE/MarlinSerialUSB.h b/Marlin/src/HAL/DUE/MarlinSerialUSB.h
new file mode 100644
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+++ b/Marlin/src/HAL/DUE/MarlinSerialUSB.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 <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * MarlinSerialUSB_Due.h - Hardware Serial over USB (CDC) library for Arduino DUE
+ * Copyright (c) 2017 Eduardo José Tagle. All right reserved
+ */
+
+#include "../../inc/MarlinConfig.h"
+#if HAS_USB_SERIAL
+
+#include <WString.h>
+#include "../../core/serial_hook.h"
+
+
+struct MarlinSerialUSB {
+  static void begin(const long);
+  static void end();
+  static int peek();
+  static int read();
+  static void flush();
+  static void flushTX();
+  static bool available();
+  static size_t write(const uint8_t c);
+
+  #if ENABLED(SERIAL_STATS_DROPPED_RX)
+    FORCE_INLINE static uint32_t dropped() { return 0; }
+  #endif
+
+  #if ENABLED(SERIAL_STATS_MAX_RX_QUEUED)
+    FORCE_INLINE static int rxMaxEnqueued() { return 0; }
+  #endif
+};
+typedef Serial0Type<MarlinSerialUSB> MSerialT;
+
+#if SERIAL_PORT == -1
+  extern MSerialT customizedSerial1;
+#endif
+
+#if SERIAL_PORT_2 == -1
+  extern MSerialT customizedSerial2;
+#endif
+
+#endif // HAS_USB_SERIAL