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#!/usr/bin/env python
'''
extract mavlink parameter values
'''
import sys, time, os
# allow import from the parent directory, where mavlink.py is
sys.path.insert(0, os.path.join(os.path.dirname(os.path.realpath(__file__)), '..'))
from optparse import OptionParser
parser = OptionParser("mavparms.py [options]")
parser.add_option("--mav10", action='store_true', default=False, help="Use MAVLink protocol 1.0")
(opts, args) = parser.parse_args()
if opts.mav10:
os.environ['MAVLINK10'] = '1'
import mavutil
if len(args) < 1:
print("Usage: mavparms.py [options] <LOGFILE...>")
sys.exit(1)
parms = {}
def mavparms(logfile):
'''extract mavlink parameters'''
mlog = mavutil.mavlink_connection(filename)
while True:
m = mlog.recv_match(type='PARAM_VALUE')
if m is None:
return
pname = str(m.param_id).strip()
if len(pname) > 0:
parms[pname] = m.param_value
total = 0.0
for filename in args:
mavparms(filename)
keys = parms.keys()
keys.sort()
for p in keys:
print("%-15s %.6f" % (p, parms[p]))
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