Move stuff into library, finish adeunisrf

python/adeunisrf.py

@@ -51,21 +51,81 @@
 #
 # * Byte 17 : none
 
-# should be: 46.969943, 9.038999
+# should be: 46. 96 99 43,  9.038999
 
 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):
-    return pkg[0] & 0x10
+# on display: 46 58 122N   09 02 207E
+#             46.58 204    09.02 320
+# sodaq: lat=46.9699219 lon=9.0391764
+# google:    46.969943,     9.038999
 
-def gpsdata(pkg):
-    if not has_gps(pkg):
-        return (0,0)
+known_devices = [ "0018B20000000C58", "0018B20000000C37", "0018B20000000C59", "0018B20000000CD0" ]
+
+
+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)