Library and example

.gitignore

@@ -1,4 +1,5 @@
 .DS_Store
 *.hex
+*.pyc
 TODO
 

Libraries/Example.py

@@ -0,0 +1,37 @@
+# This is a short example program that
+# demonstrates the bare minimum of using
+# RNode in a Python program. First we'll
+# import the RNodeInterface class.
+from RNode import RNodeInterface
+
+# We'll also define which serial port the
+# RNode is attached to.
+serialPort = "/dev/ttyUSB0"
+
+# This function gets called every time a
+# packet is received
+def gotPacket(data, rnode):
+	print "Received a packet: "+data
+
+# Create an RNode instance. This configures
+# and powers up the radio.
+rnode = RNodeInterface(
+	callback = gotPacket,
+	name = "My RNode",
+	port = serialPort,
+	frequency = 868000000,
+	bandwidth = 125000,
+	txpower = 2,
+	sf = 7,
+	cr = 5,
+	loglevel = RNodeInterface.LOG_DEBUG)
+
+# Enter a loop waiting for user input.
+try:
+	print "Waiting for packets, hit enter to send a packet, Ctrl-C to exit"
+	while True:
+		raw_input()
+		rnode.send("Hello World!")
+except KeyboardInterrupt as e:
+	print ""
+	exit()

Libraries/RNode.py

@@ -1,12 +1,10 @@
 from __future__ import print_function
-from Interface import Interface
 from time import sleep
 import sys
 import serial
 import threading
 import time
 import math
-import RNS
 
 class KISS():
 	FEND			= chr(0xC0)
@@ -54,6 +52,7 @@ class KISS():
 	
 
 class RNodeInterface():
+	MTU = 500
 	MAX_CHUNK = 32768
 	FREQ_MIN  = 137000000
 	FREQ_MAX  = 1020000000
@@ -248,7 +247,7 @@ class RNodeInterface():
 			return False
 
 	def setPromiscuousMode(self, state):
-		if state == True
+		if state == True:
 			kiss_command = KISS.FEND+KISS.CMD_PROMISC+chr(0x01)+KISS.FEND
 		else:
 			kiss_command = KISS.FEND+KISS.CMD_PROMISC+chr(0x00)+KISS.FEND
@@ -270,7 +269,7 @@ class RNodeInterface():
 		self.callback(data, self)
 
 	def send(self, data):
-		processOutgoing(data)
+		self.processOutgoing(data)
 
 	def processOutgoing(self,data):
 		if self.online:
@@ -321,7 +320,7 @@ class RNodeInterface():
 						command = KISS.CMD_UNKNOWN
 						data_buffer = ""
 						command_buffer = ""
-					elif (in_frame and len(data_buffer) < RNS.Reticulum.MTU):
+					elif (in_frame and len(data_buffer) < RNodeInterface.MTU):
 						if (len(data_buffer) == 0 and command == KISS.CMD_UNKNOWN):
 							command = byte
 						elif (command == KISS.CMD_DATA):
@@ -416,11 +415,11 @@ class RNodeInterface():
 							self.r_random = ord(byte)
 						elif (command == KISS.CMD_ERROR):
 							if (byte == KISS.ERROR_INITRADIO):
-								self.log(str(self)+" hardware initialisation error (code "+RNS.hexrep(byte)+")", RNodeInterface.LOG_ERROR)
+								self.log(str(self)+" hardware initialisation error (code "+self.hexrep(byte)+")", RNodeInterface.LOG_ERROR)
 							elif (byte == KISS.ERROR_INITRADIO):
-								self.log(str(self)+" hardware TX error (code "+RNS.hexrep(byte)+")", RNodeInterface.LOG_ERROR)
+								self.log(str(self)+" hardware TX error (code "+self.hexrep(byte)+")", RNodeInterface.LOG_ERROR)
 							else:
-								self.log(str(self)+" hardware error (code "+RNS.hexrep(byte)+")", RNodeInterface.LOG_ERROR)
+								self.log(str(self)+" hardware error (code "+self.hexrep(byte)+")", RNodeInterface.LOG_ERROR)
 						elif (command == KISS.CMD_READY):
 							# TODO: add timeout and reset if ready
 							# command never arrives
@@ -441,15 +440,14 @@ class RNodeInterface():
 			self.log("A serial port error occurred, the contained exception was: "+str(e), RNodeInterface.LOG_ERROR)
 			self.log("The interface "+str(self.name)+" is now offline.", RNodeInterface.LOG_ERROR)
 
-	def log(msg, level=3):
+	def log(self, msg, level=3):
+		logtimefmt   = "%Y-%m-%d %H:%M:%S"
 		if self.loglevel >= level:
 			timestamp = time.time()
 			logstring = "["+time.strftime(logtimefmt)+"] ["+self.loglevelname(level)+"] "+msg
-
-			if (logdest == LOG_STDOUT):
 			print(logstring)
 
-	def loglevelname(level):
+	def loglevelname(self, level):
 		if (level == RNodeInterface.LOG_CRITICAL):
 			return "Critical"
 		if (level == RNodeInterface.LOG_ERROR):
@@ -467,6 +465,13 @@ class RNodeInterface():
 		if (level == RNodeInterface.LOG_EXTREME):
 			return "Extra"
 
+	def hexrep(data, delimit=True):
+		delimiter = ":"
+		if not delimit:
+			delimiter = ""
+		hexrep = delimiter.join("{:02x}".format(ord(c)) for c in data)
+		return hexrep
+
 	def __str__(self):
 		return "RNodeInterface["+self.name+"]"
 

README.md

@@ -62,7 +62,7 @@ Have a look in the "Libraries" folder for includes to let you easily use RNode i
 Here's a Python example:
 
 ```python
-import RNodeInterface
+from RNode import RNodeInterface
 
 def gotPacket(data, rnode):
 	print "Received a packet: "+data
@@ -76,7 +76,7 @@ rnode = RNodeInterface(
 	txpower = 2,
 	sf = 7,
 	cr = 5,
-	loglevel = RnodeInterface.LOG_DEBUG)
+	loglevel = RNodeInterface.LOG_DEBUG)
 
 rnode.send("Hello World!")
 ```