From a5d1990afdd4d783b4623e4ced8833d3e1a764ae Mon Sep 17 00:00:00 2001
From: Cristian Maglie <c.maglie@bug.st>
Date: Thu, 14 Nov 2013 19:52:00 +0100
Subject: Revert "SoftwareSerial library to the new format"

This reverts commit 38c3bbbd3c83eda057d4857635fbd78a4785c3a4.
---
 libraries/SoftwareSerial/SoftwareSerial.h | 112 ++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 libraries/SoftwareSerial/SoftwareSerial.h

(limited to 'libraries/SoftwareSerial/SoftwareSerial.h')

diff --git a/libraries/SoftwareSerial/SoftwareSerial.h b/libraries/SoftwareSerial/SoftwareSerial.h
new file mode 100644
index 0000000..a6a60b5
--- /dev/null
+++ b/libraries/SoftwareSerial/SoftwareSerial.h
@@ -0,0 +1,112 @@
+/*
+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 <inttypes.h>
+#include <Stream.h>
+
+/******************************************************************************
+* Definitions
+******************************************************************************/
+
+#define _SS_MAX_RX_BUFF 64 // RX buffer size
+#ifndef GCC_VERSION
+#define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
+#endif
+
+class SoftwareSerial : public Stream
+{
+private:
+  // per object data
+  uint8_t _receivePin;
+  uint8_t _receiveBitMask;
+  volatile uint8_t *_receivePortRegister;
+  uint8_t _transmitBitMask;
+  volatile uint8_t *_transmitPortRegister;
+
+  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 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();
+  uint8_t rx_pin_read();
+  void tx_pin_write(uint8_t pin_state);
+  void setTX(uint8_t transmitPin);
+  void setRX(uint8_t receivePin);
+
+  // private static method for timing
+  static inline void tunedDelay(uint16_t delay);
+
+public:
+  // public methods
+  SoftwareSerial(uint8_t receivePin, uint8_t transmitPin, bool inverse_logic = false);
+  ~SoftwareSerial();
+  void begin(long speed);
+  bool listen();
+  void end();
+  bool isListening() { return this == active_object; }
+  bool overflow() { bool ret = _buffer_overflow; _buffer_overflow = false; return ret; }
+  int peek();
+
+  virtual size_t write(uint8_t byte);
+  virtual int read();
+  virtual int available();
+  virtual void flush();
+  
+  using Print::write;
+
+  // public only for easy access by interrupt handlers
+  static inline void handle_interrupt();
+};
+
+// Arduino 0012 workaround
+#undef int
+#undef char
+#undef long
+#undef byte
+#undef float
+#undef abs
+#undef round
+
+#endif
-- 
cgit v1.2.3-18-g5258