def parse_beacon_string(beaconstr,beaconmap):
splitline = beaconstr.split(",")
timestamp = int(splitline[0])
# parse by type
if splitline[1] != "Beacon":
print "invalid beacon signal"
sys.exit()
rssi = IBeaconUtils.parseBeaconList(splitline[6:],beaconmap)
beacon = rssi.astype(np.float32).reshape(len(rssi),1,1)
return beacon
