			#!/bin/env python

			#
			# Fake depth gauge (sending DPT)
			#

			import socket, sys, pynmea2, time, random

			###### main #####
			if(len(sys.argv) < 2):
			print "Usage : " + sys.argv[0] + " port [IP]"
			sys.exit()

			PORT = int(sys.argv[1])
			if len(sys.argv) == 3:
			HOST = sys.argv[2]
			else:
			HOST = "0.0.0.0"

			RECV_BUFFER = 4096 # Advisable to keep it as an exponent of 2

			# Connect to multiplexer
			print "Connecting to multiplexer (" + HOST + ":" + str(PORT) + ")"
			try:
			s = socket.socket()
			host = socket.gethostname()
			s.connect((HOST,PORT))
			except:
			print "Error while connecting."
			sys.exit()

			print "DTP is now connected. Press Ctrl-C to quit."
			while 1:
			depth = random.randint(5,10)
			try:
			msg = str(pynmea2.DPT('YX','DPT', (str(depth), str(0.7))))+"\n"
			except:
			print
			print "Error while encoding NMEA message."
			sys.exit()
			s.close()
			try:
			s.send(msg)
			except:
			print
			print "Error while sending NMEA message."
			s.close()
			sys.exit()

			try:
			time.sleep(1)
			except:
			print
			print "Disconnected."
			s.close()
			sys.exit()

			# EOF

mux0183/tools/dpt
1f227b99d297master

dpt
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