This module is an implementation of the SNAP communications protocol and is used for
communications between the PC host and the RepRap machine.

Modules
		exceptions serial threading time

Classes
		Packet threading.Thread(threading._Verbose) PacketReceiver   class Packet     SNAP packet class     Methods defined here: __init__(self, DAB=None, SAB=None, ACK=None, NAK=None, dataBytes=None) Create SNAP packet checkReply(self, expectedBytes, expectedCommand) getReply(self) printPacket(self, status) Print contents of packet to screen send(self) Send SNAP packet over serial conneciton (automatically encodes)   class PacketReceiver(threading.Thread)     Thread for recieving packets. Passes on irrelivent packets and buffers those intended for host     Method resolution order: PacketReceiver threading.Thread threading._Verbose __builtin__.object Methods defined here: __init__(self) clearPackets(self) getPacket(self) run(self) Main receiver loop. Do not call this function, call PacketReceiver.start() to start the function in a new thread terminate(self) Terminate reciver thread Methods inherited from threading.Thread: __repr__(self) getName(self) isAlive(self) isDaemon(self) join(self, timeout=None) setDaemon(self, daemonic) setName(self, name) start(self) Data descriptors inherited from threading._Verbose: __dict__ dictionary for instance variables (if defined) __weakref__ list of weak references to the object (if defined)

Functions
		closeSerial() Close serial port for SNAP RepRap communications openSerial(port=0, rate=19200, tout=60) Open serial port for SNAP RepRap communications

Data
		HDB1_OFFSET = 2 PAYLOAD_OFFSET = 5 Receiver = None SYNC_BYTE = 84 __author__ = 'Stefan Blanke (greenarrow) (greenarrow@users.sourceforge.net)' __licence__ = '\npyRepRap is free software: you can redistribute...ap. If not, see <http://www.gnu.org/licenses/>.\n' __license__ = 'GPL 3.0' localAddress = 0 printIncoming = False printOutgoing = False serialPort = None

Author
		Stefan Blanke (greenarrow) (greenarrow@users.sourceforge.net)