> Could someone kind and helpful post an example of python code to get gps
> data via dbus?
ogpsd_signals.py listens for gypsy signals
ogpsd_methods.py calls gypsy methods once and exits
ogpsd_resource.py requests the GPS resource from ousaged (power on while
running, see
/sys/devices/platform/s3c2440-i2c/i2c-adapter/i2c-0/0-0073/neo1973-pm-gps.0/pwron)
Greetings,
Sascha
#!/usr/bin/env python
import dbus
from time import sleep
obj = dbus.SystemBus().get_object('org.freesmartphone.ousaged', '/org/freesmartphone/Usage')
dbus.Interface(obj, 'org.freesmartphone.Usage').RequestResource('GPS')
sleep(3600 * 24 * 365)
#!/usr/bin/env python
import dbus
from time import gmtime, strftime
obj = dbus.SystemBus().get_object('org.freesmartphone.ogpsd', '/org/freedesktop/Gypsy')
constatus = obj.GetConnectionStatus(dbus_interface='org.freedesktop.Gypsy.Device')
print 'ConnectionStatus: constatus = %u' % constatus,
print '%s' % constatus and '(TRUE)' or '(FALSE)'
fixstatus = obj.GetFixStatus(dbus_interface='org.freedesktop.Gypsy.Device')
print 'FixStatus: fixstatus = %d' % fixstatus,
if fixstatus == 1: print '(NONE)'
elif fixstatus == 2: print '(2D)'
elif fixstatus == 3: print '(3D)'
else: print '(INVALID)'
(fields, tstamp, lat, lon, alt) = obj.GetPosition(dbus_interface='org.freedesktop.Gypsy.Position')
print 'Position:',
print 'fields = %d,' % fields,
print 'tstamp = %d (%s),' % (tstamp, strftime('%F %T', gmtime(tstamp))),
print 'lat = %f (%s),' % (lat, fields & (1 << 0) and 'OK' or 'INVALID'),
print 'lon = %f (%s),' % (lon, fields & (1 << 1) and 'OK' or 'INVALID'),
print 'alt = %f (%s)' % (alt, fields & (1 << 2) and 'OK' or 'INVALID')
(fields, pdop, hdop, vdop) = obj.GetAccuracy(dbus_interface='org.freedesktop.Gypsy.Accuracy')
print 'Accuracy:',
print 'fields = %d,' % fields,
print 'pdop = %f (%s),' % (pdop, fields & (1 << 0) and 'OK' or 'INVALID'),
print 'hdop = %f (%s),' % (hdop, fields & (1 << 1) and 'OK' or 'INVALID'),
print 'vdop = %f (%s)' % (vdop, fields & (1 << 2) and 'OK' or 'INVALID')
(fields, tstamp, speed, heading, climb) = obj.GetCourse(dbus_interface='org.freedesktop.Gypsy.Course')
print 'Course:',
print 'fields = %d,' % fields,
print 'tstamp = %d (%s),' % (tstamp, strftime('%F %T', gmtime(tstamp))),
print 'speed = %f (%s),' % (speed, fields & (1 << 0) and 'OK' or 'INVALID'),
print 'heading = %f (%s),' % (heading, fields & (1 << 1) and 'OK' or 'INVALID'),
print 'climb = %f (%s)' % (climb, fields & (1 << 2) and 'OK' or 'INVALID')
time = obj.GetTime(dbus_interface='org.freedesktop.Gypsy.Time')
print 'Time: time = %d (%s)' % (time, strftime('%F %T', gmtime(time)))
satellites = obj.GetSatellites(dbus_interface='org.freedesktop.Gypsy.Satellite')
print 'Satellites:'
for (satIndex, sat) in enumerate(satellites):
print '\tindex = %d,' % satIndex,
print 'prn = %u,' % sat[0],
print 'used = %u (%s),' % (sat[1], sat[1] and 'TRUE' or 'FALSE'),
print 'elevation = %u,' % sat[2],
print 'azimuth = %u,' % sat[3],
print 'snr = %u' % sat[4]
#!/usr/bin/env python
import gobject
import dbus
from dbus.mainloop.glib import DBusGMainLoop
from time import gmtime, strftime
name = 'org.freesmartphone.ogpsd'
path = '/org/freedesktop/Gypsy'
def onConnectionStatusChanged(constatus):
print 'ConnectionStatusChanged: constatus = %u' % constatus,
print '%s' % constatus and '(TRUE)' or '(FALSE)'
def onFixStatusChanged(fixstatus):
print 'FixStatusChanged: fixstatus = %d' % fixstatus,
if fixstatus == 1: print '(NONE)'
elif fixstatus == 2: print '(2D)'
elif fixstatus == 3: print '(3D)'
else: print '(INVALID)'
def onPositionChanged(fields, tstamp, lat, lon, alt):
print 'PositionChanged:',
print 'fields = %d,' % fields,
print 'tstamp = %d (%s),' % (tstamp, strftime('%F %T', gmtime(tstamp))),
print 'lat = %f (%s),' % (lat, fields & (1 << 0) and 'OK' or 'INVALID'),
print 'lon = %f (%s),' % (lon, fields & (1 << 1) and 'OK' or 'INVALID'),
print 'alt = %f (%s)' % (alt, fields & (1 << 2) and 'OK' or 'INVALID')
def onAccuracyChanged(fields, pdop, hdop, vdop):
print 'AccuracyChanged:',
print 'fields = %d,' % fields,
print 'pdop = %f (%s),' % (pdop, fields & (1 << 0) and 'OK' or 'INVALID'),
print 'hdop = %f (%s),' % (hdop, fields & (1 << 1) and 'OK' or 'INVALID'),
print 'vdop = %f (%s)' % (vdop, fields & (1 << 2) and 'OK' or 'INVALID')
def onCourseChanged(fields, tstamp, speed, heading, climb):
print 'CourseChanged:',
print 'fields = %d,' % fields,
print 'tstamp = %d (%s),' % (tstamp, strftime('%F %T', gmtime(tstamp))),
print 'speed = %f (%s),' % (speed, fields & (1 << 0) and 'OK' or 'INVALID'),
print 'heading = %f (%s),' % (heading, fields & (1 << 1) and 'OK' or 'INVALID'),
print 'climb = %f (%s)' % (climb, fields & (1 << 2) and 'OK' or 'INVALID')
def onTimeChanged(time):
print 'TimeChanged: time = %d (%s)' % (time, strftime('%F %T', gmtime(time)))
def onSatellitesChanged(satellites):
print 'SatellitesChanged:'
for (satIndex, sat) in enumerate(satellites):
print '\tindex = %d,' % satIndex,
print 'prn = %u,' % sat[0],
print 'used = %u (%s),' % (sat[1], sat[1] and 'TRUE' or 'FALSE'),
print 'elevation = %u,' % sat[2],
print 'azimuth = %u,' % sat[3],
print 'snr = %u' % sat[4]
DBusGMainLoop(set_as_default=True)
mainloop = gobject.MainLoop()
bus = dbus.SystemBus()
bus.add_signal_receiver(onConnectionStatusChanged, 'ConnectionStatusChanged', 'org.freedesktop.Gypsy.Device', name, path)
bus.add_signal_receiver(onFixStatusChanged, 'FixStatusChanged', 'org.freedesktop.Gypsy.Device', name, path)
bus.add_signal_receiver(onPositionChanged, 'PositionChanged', 'org.freedesktop.Gypsy.Position', name, path)
bus.add_signal_receiver(onAccuracyChanged, 'AccuracyChanged', 'org.freedesktop.Gypsy.Accuracy', name, path)
bus.add_signal_receiver(onCourseChanged, 'CourseChanged', 'org.freedesktop.Gypsy.Course', name, path)
bus.add_signal_receiver(onTimeChanged, 'TimeChanged', 'org.freedesktop.Gypsy.Time', name, path)
bus.add_signal_receiver(onSatellitesChanged, 'SatellitesChanged', 'org.freedesktop.Gypsy.Satellite', name, path)
mainloop.run()
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