add nodered support

apps/rfmnodered.py

@@ -0,0 +1,58 @@
+#!/usr/bin/env python2.7
+
+import socket
+import threading
+from raspyrfm import *
+import rcprotocols
+import json
+
+srvsock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+srvsock.bind(('', 1989))
+srvsock.listen(5)
+
+rfm = RaspyRFM(1, RFM69)
+rfm.set_params(
+	Freq = 433.92, #MHz
+	Datarate = 20.0, #kbit/s
+	Bandwidth = 300, #kHz
+	SyncPattern = [],
+	RssiThresh = -105, #dBm
+	ModulationType = rfm69.OOK,
+	OokThreshType = 1, #peak thresh
+	OokPeakThreshDec = 3,
+	Preamble = 0,
+	TxPower = 13
+)
+
+lock = threading.Lock() 
+
+class clientthread(threading.Thread):
+    def __init__(self, socket):
+        self.__socket = socket
+        threading.Thread.__init__(self)
+
+    def run(self):
+        while True:
+            chunk = self.__socket.recv(1024)
+            if len(chunk) == 0:
+                del self.__socket
+                break
+            print(chunk)
+            try:
+                lock.acquire()
+                txdata = rcprotocols.encode_dict(json.loads(chunk))
+                print(txdata)
+                rfm.set_params(
+                    SyncPattern = [],
+                    Datarate = 1000.0 / txdata[1]
+                )
+                rfm.send(txdata[0] * txdata[2])
+            except:
+                pass
+            lock.release()
+
+while True:
+    (client, address) = srvsock.accept()
+    ct = clientthread(client)
+    ct.daemon = True
+    ct.start()