You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
40 lines
1.1 KiB
40 lines
1.1 KiB
8 years ago
|
from __future__ import print_function
|
||
|
|
import sys
|
||
|
|
import time
|
||
|
|
from helpers import time_many_sends, connect_wifi
|
||
|
|
from panda import Panda, PandaWifiStreaming
|
||
|
|
from nose.tools import timed, assert_equal, assert_less, assert_greater
|
||
|
|
|
||
|
|
def test_udp_doesnt_drop():
|
||
|
|
connect_wifi()
|
||
|
|
|
||
|
|
p = Panda()
|
||
|
|
p.set_safety_mode(Panda.SAFETY_ALLOUTPUT)
|
||
|
|
p.set_can_loopback(True)
|
||
|
|
|
||
|
|
pwifi = PandaWifiStreaming()
|
||
|
|
while 1:
|
||
|
|
if len(pwifi.can_recv()) == 0:
|
||
|
|
break
|
||
|
|
|
||
|
|
for msg_count in [1, 100]:
|
||
|
|
for i in range({1: 0x80, 100: 0x20}[msg_count]):
|
||
|
|
pwifi.kick()
|
||
|
|
|
||
|
|
speed = 500
|
||
|
|
p.set_can_speed_kbps(0, speed)
|
||
|
|
comp_kbps = time_many_sends(p, 0, pwifi, msg_count=msg_count, msg_id=0x100+i)
|
||
|
|
saturation_pct = (comp_kbps/speed) * 100.0
|
||
|
|
|
||
|
|
if msg_count == 1:
|
||
|
|
sys.stdout.write(".")
|
||
|
|
sys.stdout.flush()
|
||
|
|
else:
|
||
|
|
print("UDP WIFI loopback %d messages at speed %d, comp speed is %.2f, percent %.2f" % (msg_count, speed, comp_kbps, saturation_pct))
|
||
|
|
assert_greater(saturation_pct, 40)
|
||
|
|
assert_less(saturation_pct, 100)
|
||
|
|
print("")
|
||
|
|
|
||
|
|
|
||
|
|
|