Move stuff into library, finish adeunisrf

python/adeunisrf.py

@@ -55,17 +55,77 @@
 
 import binascii
 
+#              L A T I T U D E        L O N G I TU DE
+# status temp  deg min sec +hem   deg min  min  min
+# 9e       17  46  58  204  0       009 02 320  a5 9a   0e e7
+# 1        2   3   4   5   6       ?  8   9  10  11 12   13 14
 
-def decode_pkg(pkg):
-    return binascii.a2b_hex(s)
 
-def has_gps(pkg):
+# on display: 46 58 122N   09 02 207E
-    return pkg[0] & 0x10
+#             46.58 204    09.02 320
+# sodaq: lat=46.9699219 lon=9.0391764
+# google:    46.969943,     9.038999
 
-def gpsdata(pkg):
+known_devices = [ "0018B20000000C58", "0018B20000000C37", "0018B20000000C59", "0018B20000000CD0" ]
-    if not has_gps(pkg):
+
-        return (0,0)
+
+def get_gps(deveui, payload):
+    res = []
+    if not payload[0] & (2**7):
+        return res
+
+    lat_deg = float(payload[4:6])
+    lat_min = float(payload[6:8])
+    lat_sec = float(payload[8:10])
+    lat_frac_sec = float(payload[10:11])
+    lat = lat_deg + lat_min/60.0 + lat_sec/3600.0 + lat_frac_sec/36000.0
+
+    long_deg = float(payload[12:15])
+    long_min = float(payload[15:17])
+    long_sec = float(payload[17:19])
+    long_frac_sec = float(payload[19:20])
+    long = long_deg + long_min/60.0 + long_sec/3600 + long_frac_sec/36000.0
+
+    pos = ":lat={:.6f} long={:.6f}".format(lat, long)
+
+    res = [ deveui + pos ]
+
+    return res
+
+def get_temp(deveui, payload):
+    res = []
+    if payload[0] & (2**7):
+        res = [ deveui + ":temperature=" + str(binascii.a2b_hex(payload)[1])]
+
+    return res
+
+def decode_adeunis(pkg):
+    data = pkg.split(":")
+
+    deveui = data[0]
+    payload = data[1]
+
+    res = []
+
+    # Only handle known devices
+    if not deveui in known_devices:
+        return res
+
+    res += get_temp(deveui, payload)
+    res += get_gps(deveui, payload)
+
+def nodered_adeunisrf(provider, data):
+    res = decode_adeunis(data)
+    if not res:
+        return
+
+    with websocket.create_connection("ws://localhost:1880/{}".format(provider)) as ws:
+        for d in res:
+            ws.send("%s" % d)
 
 
 if __name__ == '__main__':
-    decode_pkg()
+    conns = lorautil.pg_conn_notify()
+
+    while True:
+        pg_wait_for_pkg(conns, nodered_adeunisrf)

python/lorautil.py

@@ -7,11 +7,18 @@ import psycopg2
 import json
 import logging
 
+import select
+import psycopg2
+import psycopg2.extensions
+import websocket
+
+
 log = logging.getLogger("lorautil")
 log.setLevel(logging.DEBUG)
 
 dbname="lorawan"
 
+
 def db_notify(provider, payload='', deveui=''):
     notify="{}:{}".format(deveui, payload)
     log.debug("Notify: {} {}".format(provider, notify))
@@ -38,3 +45,34 @@ def db_insert_json(provider, data, payload='', deveui=''):
 
 def jsonToDict(data):
     return json.loads(data)
+
+
+def nodered_send(provider, data):
+    ws = websocket.create_connection("ws://localhost:1880/{}".format(provider))
+    ws.send("%s" % data)
+    ws.close()
+
+channels = [ "loriot", "swisscom", "ttn" ]
+
+def pg_conn_notify():
+    conns = []
+    for channel in channels:
+        conn = psycopg2.connect("dbname={}".format(dbname))
+        conn.set_isolation_level(psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT)
+
+        curs = conn.cursor()
+        curs.execute("LISTEN {};".format(channel))
+
+        conns.append(conn)
+        log.debug("Waiting for notifications on channel {}".format(channel))
+
+def pg_wait_for_pkg(conns, callback):
+    readable, writable, exceptional = select.select(conns,[],[])
+
+    for conn in readable:
+        conn.poll()
+        while conn.notifies:
+            notify = conn.notifies.pop(0)
+            log.debug("Got NOTIFY: {} {} {}".format(notify.pid, notify.channel, notify.payload))
+
+            callback(notify.channel, notify.payload)

python/notify.py

@@ -5,44 +5,14 @@
 # 2016-11-02
 # GPLv3+
 
-import select
-import psycopg2
-import psycopg2.extensions
-import websocket
 
-import adeunisrf
+import lorautil
 
-channels = [ "loriot", "swisscom", "ttn" ]
+log = logging.getLogger("notify")
-
+log.setLevel(logging.DEBUG)
-
-def to_nodered(provider, data):
-    ws = websocket.create_connection("ws://localhost:1880/{}".format(provider))
-    ws.send("%s" % data)
-    ws.close()
-
-def wait_for_pkg(conns):
-
-    readable, writable, exceptional = select.select(conns,[],[])
-
-    for conn in readable:
-        conn.poll()
-        while conn.notifies:
-            notify = conn.notifies.pop(0)
-            print("Got NOTIFY: {} {} {}".format(notify.pid, notify.channel, notify.payload))
-            to_nodered(notify.channel, notify.payload)
 
 if __name__ == '__main__':
-    conns = []
+    conns = lorautil.pg_conn_notify()
-    for channel in channels:
-
-        conn = psycopg2.connect("dbname=lorawan")
-        conn.set_isolation_level(psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT)
-
-        curs = conn.cursor()
-        curs.execute("LISTEN {};".format(channel))
-
-        conns.append(conn)
-        print("Waiting for notifications on channel {}".format(channel))
 
     while True:
-        wait_for_pkg(conns)
+        pg_wait_for_pkg(conns, lorautil.nodered_send)

python/swisscom-receiver.py

@@ -24,7 +24,7 @@ class testHTTPServer_RequestHandler(BaseHTTPRequestHandler):
         except UnicodeDecodeError:
             pass
 
-        print("deveui/payload: {}:{}".format(deveui, payload))
+f        print("deveui/payload: {}:{}".format(deveui, payload))
 
         # And insert into the db
         lorautil.db_insert_json("swisscom", post_data, payload, deveui)