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.
53 lines
1.4 KiB
53 lines
1.4 KiB
8 years ago
|
from __future__ import print_function
|
||
|
|
import time
|
||
|
|
from panda import Panda
|
||
|
|
from helpers import time_many_sends, connect_wifi
|
||
|
|
from nose.tools import timed, assert_equal, assert_less, assert_greater
|
||
|
|
|
||
|
|
def test_get_serial_wifi():
|
||
|
|
connect_wifi()
|
||
|
|
|
||
|
|
p = Panda("WIFI")
|
||
|
|
print(p.get_serial())
|
||
|
|
|
||
|
|
def test_throughput():
|
||
|
|
p = Panda()
|
||
|
|
|
||
|
|
# enable output mode
|
||
|
|
p.set_safety_mode(Panda.SAFETY_ALLOUTPUT)
|
||
|
|
|
||
|
|
# enable CAN loopback mode
|
||
|
|
p.set_can_loopback(True)
|
||
|
|
|
||
|
|
p = Panda("WIFI")
|
||
|
|
|
||
|
|
for speed in [100,250,500,750,1000]:
|
||
|
|
# set bus 0 speed to speed
|
||
|
|
p.set_can_speed_kbps(0, speed)
|
||
|
|
time.sleep(0.05)
|
||
|
|
|
||
|
|
comp_kbps = time_many_sends(p, 0)
|
||
|
|
|
||
|
|
# bit count from https://en.wikipedia.org/wiki/CAN_bus
|
||
|
|
saturation_pct = (comp_kbps/speed) * 100.0
|
||
|
|
#assert_greater(saturation_pct, 80)
|
||
|
|
#assert_less(saturation_pct, 100)
|
||
|
|
|
||
|
|
print("WIFI loopback 100 messages at speed %d, comp speed is %.2f, percent %.2f" % (speed, comp_kbps, saturation_pct))
|
||
|
|
|
||
|
|
def test_recv_only():
|
||
|
|
p = Panda()
|
||
|
|
p.set_safety_mode(Panda.SAFETY_ALLOUTPUT)
|
||
|
|
p.set_can_loopback(True)
|
||
|
|
pwifi = Panda("WIFI")
|
||
|
|
|
||
|
|
# TODO: msg_count=1000 drops packets, is this fixable?
|
||
|
|
for msg_count in [10,100,200]:
|
||
|
|
speed = 500
|
||
|
|
p.set_can_speed_kbps(0, speed)
|
||
|
|
comp_kbps = time_many_sends(p, 0, pwifi, msg_count)
|
||
|
|
saturation_pct = (comp_kbps/speed) * 100.0
|
||
|
|
|
||
|
|
print("HT WIFI loopback %d messages at speed %d, comp speed is %.2f, percent %.2f" % (msg_count, speed, comp_kbps, saturation_pct))
|
||
|
|
|