px4-firmware/mavlink/share/pyshared/pymavlink/examples/mavtest.py

42 lines
1020 B
Python

#!/usr/bin/env python
import sys, 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__)), '..'))
import mavlink
class fifo(object):
def __init__(self):
self.buf = []
def write(self, data):
self.buf += data
return len(data)
def read(self):
return self.buf.pop(0)
f = fifo()
# create a mavlink instance, which will do IO on file object 'f'
mav = mavlink.MAVLink(f)
# set the WP_RADIUS parameter on the MAV at the end of the link
mav.param_set_send(7, 1, "WP_RADIUS", 101)
# alternatively, produce a MAVLink_param_set object
# this can be sent via your own transport if you like
m = mav.param_set_encode(7, 1, "WP_RADIUS", 101)
# get the encoded message as a buffer
b = m.get_msgbuf()
# decode an incoming message
m2 = mav.decode(b)
# show what fields it has
print("Got a message with id %u and fields %s" % (m2.get_msgId(), m2.get_fieldnames()))
# print out the fields
print(m2)