#!/usr/bin/env python2.1

import os
import string
import cPickle
pickle = cPickle
import select
import time

#gps = open('/dev/ttyS0', 'r')
gps = open('gps_data', 'r')
log = open('trip.log', 'w')
logp = pickle.Pickler(log)

count = 0

gpscheck = select.poll()
gpscheck.register(gps, select.POLLIN)

photo_period = 4 
photo_time_prev = 0

while (1):
	# Did the GPS say anything?
	while len(gpscheck.poll(0)) > 0:
		line = gps.readline()
		if line[0] != '$':
			continue

		components = string.split(line[:-1], ',')
		logp.dump(components)

		print 'GPS' #: %s' % (components)

	print '-'

	now = time.time()
	# if now > photo_time_prev + photo_period:
	if 0:
		photo_time_prev = now
		#image = os.popen('vgrabbj -i vga', 'r').read()
		image = open('image.jpeg', 'r').read()
		logp.dump(['$photo', '0', image])

		print 'photo'

	# time.sleep(1)