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LibrePilot/python/examples/example_readlog.py

114 lines
3.1 KiB
Python

##
##############################################################################
#
# @file example_readlog.py
# @author The LibrePilot Project, http://www.librepilot.org Copyright (C) 2017.
# The OpenPilot Team, http://www.openpilot.org Copyright (C) 2011.
# @brief Base classes for python UAVObject
#
# @see The GNU Public License (GPL) Version 3
#
#############################################################################/
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
import logging
import serial
import traceback
import sys
from librepilot.uavtalk.uavobject import *
from librepilot.uavtalk.uavtalk import *
from librepilot.uavtalk.objectManager import *
from librepilot.uavtalk.connectionManager import *
from example import UavtalkDemo
def _hex02(value):
return "%02X" % value
class UavtalkLogDemo(UavtalkDemo):
def __init__(self):
self.nbUpdates = 0
self.lastRateCalc = time.time()
self.updateRate = 0
self.objMan = None
self.connMan = None
def setup(self, filename):
print "Opening File \"%s\"" % filename
file = open(filename,"rb")
if file == None:
raise IOError("Failed to open file")
print "Creating UavTalk"
self.uavTalk = UavTalk(None, filename)
print "Starting ObjectManager"
self.objMan = ObjManager(self.uavTalk)
self.objMan.importDefinitions()
print "Starting UavTalk"
self.uavTalk.start()
def printUsage():
appName = os.path.basename(sys.argv[0])
print
print "usage:"
print " %s filename " % appName
print
print " for example: %s /tmp/OP-2015-04-28_23-16-33.opl" % appName
print
if __name__ == '__main__':
if len(sys.argv) !=2:
print "ERROR: Incorrect number of arguments"
print len(sys.argv)
printUsage()
sys.exit(2)
script, filename = sys.argv
if not os.path.exists(sys.argv[1]):
sys.exit('ERROR: Database %s was not found!' % sys.argv[1])
# Log everything, and send it to stderr.
logging.basicConfig(level=logging.INFO)
try:
demo = UavtalkLogDemo()
demo.setup(filename)
while True:
demo.objMan.AttitudeState.waitUpdate()
demo._onAttitudeUpdate(demo.objMan.AttitudeState)
except KeyboardInterrupt:
pass
except Exception,e:
print
print "An error occured: ", e
print
traceback.print_exc()
print