Init commit with many years of arduino sketches and projects. I dont know if the esp8266 includes much, but there are also libraries. I hope they dont have crazy automatic versioning through the Arduino IDE.

libraries/PLabBT/PLabBTSerial.cpp

@@ -0,0 +1,85 @@
+#include <PLabBTSerial.h>
+
+int PLabBTSerial::read() {
+	if (_available)
+	{
+		int r = _buffer[_retLoc];
+		_available--;
+		if (_available)
+		{
+			_retLoc++;
+		}
+		else
+		{
+			_bLoc = 0;
+			_retLoc = 0;
+		}
+		return r;
+	}
+	return -1;
+}
+
+void PLabBTSerial::read(char* buffer, int bufferSize) {
+	if (_available > bufferSize)
+	{
+		return;
+	}
+	int i = 0;
+	while (_available)
+	{
+		buffer[i] = read();
+		i++;
+	}
+}
+
+int PLabBTSerial::available()
+{
+	if (_available > 0)
+	{
+		return _available;
+	}
+	while (SoftwareSerial::available() > 0)
+	{
+		_buffer[_bLoc] = SoftwareSerial::read();
+		if (_buffer[_bLoc] == '\r')
+		{
+			// Should just skip 
+		}
+		else if (_buffer[_bLoc] == '\n')
+		{
+			// New line found. End string and return available data count
+			_buffer[_bLoc] = '\0';
+			_available = (_bLoc - _retLoc) + 1;
+			return _available;
+		}
+		else
+		{
+			_bLoc++;
+		}
+		while (_bLoc >= _bufferSize)
+		{
+			_bLoc--;
+		}
+	}
+	return 0;
+}
+
+// Constructor
+PLabBTSerial::PLabBTSerial(uint8_t receivePin, uint8_t transmitPin, bool inverse_logic /*= false*/, uint8_t bufferSize /*= 50*/) :
+		SoftwareSerial(receivePin, transmitPin, inverse_logic)
+{
+	_bufferSize = bufferSize;
+	_buffer = new char[_bufferSize];
+	_bLoc = 0;
+	_retLoc = 0;
+	_available = 0;
+}
+
+// Destructor
+PLabBTSerial::~PLabBTSerial()
+{
+	delete[] _buffer;
+	end();
+}
+
+