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39 lines
1.1 KiB
39 lines
1.1 KiB
from __future__ import print_function
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import sys
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import time
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from helpers import time_many_sends, connect_wifi
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from panda import Panda, PandaWifiStreaming
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from nose.tools import timed, assert_equal, assert_less, assert_greater
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def test_udp_doesnt_drop():
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connect_wifi()
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p = Panda()
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p.set_safety_mode(Panda.SAFETY_ALLOUTPUT)
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p.set_can_loopback(True)
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pwifi = PandaWifiStreaming()
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while 1:
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if len(pwifi.can_recv()) == 0:
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break
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for msg_count in [1, 100]:
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for i in range({1: 0x80, 100: 0x20}[msg_count]):
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pwifi.kick()
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speed = 500
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p.set_can_speed_kbps(0, speed)
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comp_kbps = time_many_sends(p, 0, pwifi, msg_count=msg_count, msg_id=0x100+i)
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saturation_pct = (comp_kbps/speed) * 100.0
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if msg_count == 1:
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sys.stdout.write(".")
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sys.stdout.flush()
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else:
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print("UDP WIFI loopback %d messages at speed %d, comp speed is %.2f, percent %.2f" % (msg_count, speed, comp_kbps, saturation_pct))
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assert_greater(saturation_pct, 40)
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assert_less(saturation_pct, 100)
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print("")
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