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- #!/usr/bin/env python
- '''
- extract mavlink parameter values
- '''
- from __future__ import print_function
- import time
- from argparse import ArgumentParser
- parser = ArgumentParser(description=__doc__)
- parser.add_argument("-c", "--changes", dest="changesOnly", default=False, action="store_true", help="Show only changes to parameters.")
- parser.add_argument("logs", metavar="LOG", nargs="+")
- args = parser.parse_args()
- from pymavlink import mavutil
- parms = {}
- def mavparms(logfile):
- '''extract mavlink parameters'''
- mlog = mavutil.mavlink_connection(filename)
- while True:
- try:
- m = mlog.recv_match(type=['PARAM_VALUE', 'PARM'])
- if m is None:
- return
- except Exception:
- return
- if m.get_type() == 'PARAM_VALUE':
- pname = str(m.param_id).strip()
- value = m.param_value
- else:
- pname = m.Name
- value = m.Value
- if len(pname) > 0:
- if args.changesOnly is True and pname in parms and parms[pname] != value:
- print("%s %-15s %.6f -> %.6f" % (time.asctime(time.localtime(m._timestamp)), pname, parms[pname], value))
- parms[pname] = value
- total = 0.0
- for filename in args.logs:
- mavparms(filename)
- if (args.changesOnly is False):
- keys = list(parms.keys())
- keys.sort()
- for p in keys:
- print("%-15s %.6f" % (p, parms[p]))
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