mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2025-01-18 12:52:44 +01:00
88 lines
2.8 KiB
Python
Executable File
88 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
|
|
# Copyright (C) 2019 Inria
|
|
#
|
|
# This file is subject to the terms and conditions of the GNU Lesser
|
|
# General Public License v2.1. See the file LICENSE in the top level
|
|
# directory for more details.
|
|
|
|
import sys
|
|
import os
|
|
import pexpect
|
|
import time
|
|
import subprocess
|
|
from testrunner import run
|
|
|
|
# nucleo-l152re is the default platform for this test
|
|
BOARD = os.environ.get("BOARD", "nucleo-l152re")
|
|
BOARD_CPU = subprocess.check_output([
|
|
'make',
|
|
'info-debug-variable-CPU',
|
|
'BOARD={}'.format(BOARD),
|
|
'--no-print-directory']).strip()
|
|
|
|
# We test only up to 10ms, with smaller times mcu doesn't have time to
|
|
# print system time before resetting
|
|
# cc2538 only supports 4 intervals [2ms, 16ms, 250ms, 1s]
|
|
if BOARD_CPU.decode("utf-8") == 'cc2538':
|
|
reset_times_ms = [16, 250, 1000]
|
|
else:
|
|
reset_times_ms = [128, 512, 1024, 8192]
|
|
|
|
# We don't check for accuracy, only order of magnitude. Some MCU use an
|
|
# an internal un-calibrated clock as reference which can deviate in
|
|
# more than 50% from theoretical values (e.g STM32 board CLOCK_LSI)
|
|
error_margin = 0.5
|
|
|
|
|
|
def get_reset_time(child):
|
|
reset_time = 0
|
|
try:
|
|
start = time.time()
|
|
timeout = 10 # seconds
|
|
while time.time() < start + timeout:
|
|
child.expect(r"reset time: (\d+) us", timeout=1)
|
|
reset_time = int(child.match.group(1))
|
|
else:
|
|
# timeout
|
|
return reset_time
|
|
except pexpect.TIMEOUT:
|
|
return reset_time
|
|
|
|
|
|
def testfunc(child):
|
|
child.expect_exact(">")
|
|
child.sendline("range")
|
|
child.expect(r"lower_bound: (\d+) upper_bound: (\d+)\s*\r\n",
|
|
timeout=1)
|
|
wdt_lower_bound = int(child.match.group(1))
|
|
wdt_upper_bound = int(child.match.group(2))
|
|
|
|
for rst_time in reset_times_ms:
|
|
child.expect_exact(">")
|
|
child.sendline("setup 0 {}".format(rst_time))
|
|
if rst_time < wdt_lower_bound or rst_time > wdt_upper_bound:
|
|
child.expect_exact("invalid time, see \"range\"", timeout=1)
|
|
else:
|
|
child.expect_exact(">")
|
|
child.sendline("startloop")
|
|
child.expect(r"start time: (\d+) us", timeout=1)
|
|
start_time_us = int(child.match.group(1))
|
|
reset_time_us = get_reset_time(child)
|
|
wdt_reset_time = (reset_time_us - start_time_us) / 1e3
|
|
|
|
if wdt_reset_time < rst_time*(1 - error_margin) or \
|
|
wdt_reset_time > rst_time*(1 + error_margin):
|
|
print("FAILED target time: {}[ms], actual_time: {}[ms]"
|
|
.format(rst_time, wdt_reset_time))
|
|
sys.exit(-1)
|
|
else:
|
|
print("PASSED target time: {}[ms], actual_time: {}[ms]"
|
|
.format(rst_time, wdt_reset_time))
|
|
|
|
print("TEST PASSED")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
sys.exit(run(testfunc, echo=False))
|