First init.

libraries/AltSoftSerial/AltSoftSerial.h

@@ -0,0 +1,75 @@
+/* An Alternative Software Serial Library
+ * http://www.pjrc.com/teensy/td_libs_AltSoftSerial.html
+ * Copyright (c) 2014 PJRC.COM, LLC, Paul Stoffregen, paul@pjrc.com
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef AltSoftSerial_h
+#define AltSoftSerial_h
+
+#include <inttypes.h>
+
+#if ARDUINO >= 100
+#include "Arduino.h"
+#else
+#include "WProgram.h"
+#include "pins_arduino.h"
+#endif
+
+#if defined(__arm__) && defined(CORE_TEENSY)
+#define ALTSS_BASE_FREQ F_BUS
+#else
+#define ALTSS_BASE_FREQ F_CPU
+#endif
+
+class AltSoftSerial : public Stream
+{
+public:
+	AltSoftSerial() { }
+	~AltSoftSerial() { end(); }
+	static void begin(uint32_t baud) { init((ALTSS_BASE_FREQ + baud / 2) / baud); }
+	static void end();
+	int peek();
+	int read();
+	int available();
+#if ARDUINO >= 100
+	size_t write(uint8_t byte) { writeByte(byte); return 1; }
+	void flush() { flushOutput(); }
+#else
+	void write(uint8_t byte) { writeByte(byte); }
+	void flush() { flushInput(); }
+#endif
+	using Print::write;
+	static void flushInput();
+	static void flushOutput();
+	// for drop-in compatibility with NewSoftSerial, rxPin & txPin ignored
+	AltSoftSerial(uint8_t rxPin, uint8_t txPin, bool inverse = false) { }
+	bool listen() { return false; }
+	bool isListening() { return true; }
+	bool overflow() { bool r = timing_error; timing_error = false; return r; }
+	static int library_version() { return 1; }
+	static void enable_timer0(bool enable) { }
+	static bool timing_error;
+private:
+	static void init(uint32_t cycles_per_bit);
+	static void writeByte(uint8_t byte);
+};
+
+#endif