def getTrack(self, trackPtr):
checksum = Utilities.checkersum("05800100%s" % (trackPtr))
self._writeSerial('getTracks', **{'trackPtr':trackPtr, 'checksum':checksum})
newtrack = None
i = 0
while True:
data = self._readPayload()
time.sleep(0)
if data != '8A000000':
#did we get a new train data session ?
self.logger.debug(data)
if len(data) == 136 or len(data) == 120:
self.logger.debug('initalizing new track')
#save the old track if it exists and instantiate a new one
newtrack = TrackWithLaps().fromHex(data[6:-2], self.timezone)
i = 1
#new laps data session is always after train header
elif i == 1:
self.logger.debug('adding laps')
newtrack.addLapsFromHex(data[54:-2])
i = 2
#new points data session?
else:
self.logger.debug('adding trackpoints from new session')
newtrack.addTrackpointsFromHex(data[54:-2])
# progress bars are nice
progress = int(100 * len(newtrack.trackpoints)/newtrack.trackpointCount)
bar = progress/2
print '\r[{0}] {1}%'.format('#'*bar + '-'*(50-bar), progress),
sys.stdout.flush()
self._writeSerial('requestNextTrackSegment')
else:
#we are done, do maintenance work here
if sys.platform == 'linux' or sys.platform == 'linux2':
os.system('setterm -cursor on')
print
for lap in newtrack.laps:
lap.calculateCoordinates(newtrack.trackpoints)
#self.logger.debug(lap)
break
self.logger.debug('added 1 track')
return newtrack
def setWaypoints(self, waypoints):
waypointsConverted = ''.join([hex(waypoint) for waypoint in waypoints])
numberOfWaypoints = Utilities.swap(Utilities.dec2hex(len(waypoints), 8))
payload = Utilities.dec2hex(5 + (20 * len(waypoints)), 4)
checksum = Utilities.checkersum("%s76%s%s" % (str(payload), str(numberOfWaypoints), waypointsConverted))
response = self._querySerial('setWaypoints', **{'payload':payload, 'numberOfWaypoints':numberOfWaypoints, 'waypoints': waypointsConverted, 'checksum':checksum})
if response[:6] == '760004':
waypointsUpdated = int(Utilities.swap(response[6:10]), 16)
self.logger.debug('waypoints updated: %i' % waypointsUpdated)
return waypointsUpdated
else:
self.logger.error('error uploading waypoints')
return False
