helloworld.py
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	#!/usr/bin/python
	# -- coding: utf-8 --
	import os, sys

	# add ../../Sources to the PYTHONPATH
	sys.path.append(os.path.join("..", "..", "Sources"))
	sys.path.append(os.path.join("..", "..", "Sources"))
	from yocto_api import *
	from yocto_gps import *


	def usage():
	scriptname = os.path.basename(sys.argv[0])
	print("Usage:")
	print(scriptname + ' <serial_number>')
	print(scriptname + ' <logical_name>')
	print(scriptname + ' any ')
	sys.exit()


	def die(msg):
	sys.exit(msg + ' (check USB cable)')


	if len(sys.argv) < 2:
	usage()
	target = sys.argv[1]

	# Setup the API to use local USB devices
	errmsg = YRefParam()
	if YAPI.RegisterHub("usb", errmsg) != YAPI.SUCCESS:
	sys.exit("init error" + errmsg.value)

	if target == 'any':
	# retreive any gps
	gps = YGps.FirstGps()
	if gps is None:
	die('No module connected')
	else:
	gps = YGps.FindGps(target + '.gps')

	if not (gps.isOnline()):
	die('device not connected')

	while gps.isOnline():
	if gps.get_isFixed() != YGps.ISFIXED_TRUE:
	print("Fixing...")
	else:
	print(gps.get_latitude() + " " + gps.get_longitude())
	YAPI.Sleep(1000)
	YAPI.FreeAPI()