Add new LPC include folder

Marlin/src/HAL/HAL_LPC1768/include/SoftwareSerial.h

@@ -0,0 +1,120 @@
+/*
+ * SoftwareSerial.h (formerly NewSoftSerial.h)
+ *
+ * Multi-instance software serial library for Arduino/Wiring
+ * -- Interrupt-driven receive and other improvements by ladyada
+ *    (http://ladyada.net)
+ * -- Tuning, circular buffer, derivation from class Print/Stream,
+ *    multi-instance support, porting to 8MHz processors,
+ *    various optimizations, PROGMEM delay tables, inverse logic and
+ *    direct port writing by Mikal Hart (http://www.arduiniana.org)
+ * -- Pin change interrupt macros by Paul Stoffregen (http://www.pjrc.com)
+ * -- 20MHz processor support by Garrett Mace (http://www.macetech.com)
+ * -- ATmega1280/2560 support by Brett Hagman (http://www.roguerobotics.com/)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * The latest version of this library can always be found at
+ * http://arduiniana.org.
+ */
+
+#ifndef SOFTWARESERIAL_H
+#define SOFTWARESERIAL_H
+
+#include <Arduino.h>
+#include <stdint.h>
+//#include "serial.h"
+#include <Stream.h>
+#include <Print.h>
+
+/******************************************************************************
+* Definitions
+******************************************************************************/
+
+#define _SS_MAX_RX_BUFF 64 // RX buffer size
+
+class SoftwareSerial : public Stream
+{
+private:
+  // per object data
+  pin_t _receivePin;
+  pin_t _transmitPin;
+//  uint32_t _receiveBitMask; // for rx interrupts
+  uint32_t _receivePort;
+  uint32_t _receivePortPin;
+
+
+  // Expressed as 4-cycle delays (must never be 0!)
+  uint16_t _rx_delay_centering;
+  uint16_t _rx_delay_intrabit;
+  uint16_t _rx_delay_stopbit;
+  uint16_t _tx_delay;
+
+  uint16_t _buffer_overflow:1;
+  uint16_t _inverse_logic:1;
+
+  // static data
+  static unsigned char _receive_buffer[_SS_MAX_RX_BUFF];
+  static volatile uint8_t _receive_buffer_tail;
+  static volatile uint8_t _receive_buffer_head;
+  static SoftwareSerial *active_object;
+
+  // private methods
+  void recv();
+  uint32_t rx_pin_read();
+  void tx_pin_write(uint8_t pin_state);
+  void setTX(pin_t transmitPin);
+  void setRX(pin_t receivePin);
+  void setRxIntMsk(bool enable);
+
+  // private static method for timing
+  static inline void tunedDelay(uint32_t delay);
+
+public:
+  // public methods
+
+  SoftwareSerial(pin_t receivePin, pin_t transmitPin, bool inverse_logic = false);
+  ~SoftwareSerial();
+  void begin(long speed);
+  bool listen();
+  void end();
+  bool isListening() { return this == active_object; }
+  bool stopListening();
+  bool overflow() { bool ret = _buffer_overflow; if (ret) _buffer_overflow = false; return ret; }
+  int16_t peek();
+
+  virtual size_t write(uint8_t byte);
+  virtual int16_t read();
+  virtual size_t available();
+  virtual void flush();
+  operator bool() { return true; }
+
+  using Print::write;
+  //using HalSerial::write;
+
+  // public only for easy access by interrupt handlers
+  static inline void handle_interrupt() __attribute__((__always_inline__));
+};
+
+// Arduino 0012 workaround
+#undef int
+#undef char
+#undef long
+#undef byte
+#undef float
+#undef abs
+#undef round
+
+#endif // SOFTWARESERIAL_H