def __init__(self, gpsiface, **opts):
super(OdoIface, self).__init__(**opts)
self.gps = gpsiface
self.odofile = open(opts['--odo-file'], 'r+')
self.overall = float(self.odofile.readline())
# Seek to the end of file
self.odofile.seek(0, 2)
self.current = 0
self.step = 0
self.avg_start = None
self.avg_speed = AvgValue()
self.gps.add_hook('gotclock', self.set_avg_start)
self.gps.add_hook('onupdate', self.on_gpsupdate)
def __init__(self, gpsiface, **opts):
super(OdoIface, self).__init__(**opts)
self.gps = gpsiface
self.odofile = open(opts['--odo-file'], 'r+')
self.overall = float(self.odofile.readline())
# Seek to the end of file
self.odofile.seek(0, 2)
self.current = 0
self.step = 0
self.avg_start = None
self.avg_speed = AvgValue()
self.gps.add_hook('gotclock', self.set_avg_start)
self.gps.add_hook('onupdate', self.on_gpsupdate)
class OdoIface(HilgaObject):
"""Odometer
Save odometer data to file.
First line in odo file is:
OVERALL_METERS
so first line is 20 chars length not including \n.
Following lines are entries in form:
TIMESTAMP METERS\n
"""
def __init__(self, gpsiface, **opts):
super(OdoIface, self).__init__(**opts)
self.gps = gpsiface
self.odofile = open(opts['--odo-file'], 'r+')
self.overall = float(self.odofile.readline())
# Seek to the end of file
self.odofile.seek(0, 2)
self.current = 0
self.step = 0
self.avg_start = None
self.avg_speed = AvgValue()
self.gps.add_hook('gotclock', self.set_avg_start)
self.gps.add_hook('onupdate', self.on_gpsupdate)
def set_avg_start(self, seconds):
self.avg_start = seconds
def odo_increase(self, meters):
"""Increase odometer values."""
self.overall += meters
self.current += meters
self.step += meters
if meters > 0:
self.run_hook('onincrease', meters)
def update_odofile(self):
self.odofile.write('{} {}\n'.format(int(time.time()), self.step))
# Prepare to move again
self.step = 0
self.avg_speed.reset()
self.avg_start = time.time()
# Update overall
self.odofile.seek(0, 0)
self.odofile.write('%20s\n' % self.overall)
self.odofile.seek(0, 2)
self.run_hook('odoflush')
def avg_time_delta(self):
if self.avg_start is None:
return 0
return time.time() - self.avg_start
def on_gpsupdate(self, gps):
# in meters per sec
gspeed = 10.0 / 36 * self.gps.speed_kmh()
avgspeed = self.avg_speed.avg_with(gspeed)
delta = avgspeed * self.avg_time_delta() - self.step
self.odo_increase(delta)
# Write updates only when car stops, but less then every 100 meters
# Also write when step > 10k
if (int(gspeed) == 0 and self.step > 100) or (self.step > 10000):
self.update_odofile()
class OdoIface(HilgaObject):
"""Odometer
Save odometer data to file.
First line in odo file is:
OVERALL_METERS
so first line is 20 chars length not including \n.
Following lines are entries in form:
TIMESTAMP METERS\n
"""
def __init__(self, gpsiface, **opts):
super(OdoIface, self).__init__(**opts)
self.gps = gpsiface
self.odofile = open(opts['--odo-file'], 'r+')
self.overall = float(self.odofile.readline())
# Seek to the end of file
self.odofile.seek(0, 2)
self.current = 0
self.step = 0
self.avg_start = None
self.avg_speed = AvgValue()
self.gps.add_hook('gotclock', self.set_avg_start)
self.gps.add_hook('onupdate', self.on_gpsupdate)
def set_avg_start(self, seconds):
self.avg_start = seconds
def odo_increase(self, meters):
"""Increase odometer values."""
self.overall += meters
self.current += meters
self.step += meters
if meters > 0:
self.run_hook('onincrease', meters)
def update_odofile(self):
self.odofile.write('{} {}\n'.format(int(time.time()), self.step))
# Prepare to move again
self.step = 0
self.avg_speed.reset()
self.avg_start = time.time()
# Update overall
self.odofile.seek(0, 0)
self.odofile.write('%20s\n'%self.overall)
self.odofile.seek(0, 2)
self.run_hook('odoflush')
def avg_time_delta(self):
if self.avg_start is None:
return 0
return time.time() - self.avg_start
def on_gpsupdate(self, gps):
# in meters per sec
gspeed = 10.0/36 * self.gps.speed_kmh()
avgspeed = self.avg_speed.avg_with(gspeed)
delta = avgspeed * self.avg_time_delta() - self.step
self.odo_increase(delta)
# Write updates only when car stops, but less then every 100 meters
# Also write when step > 10k
if (int(gspeed) == 0 and self.step > 100) or (self.step > 10000):
self.update_odofile()
