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# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import logging
from threading import Timer
from autotest_lib.client.common_lib import error
from autotest_lib.server.cros.faft.firmware_test import FirmwareTest
class firmware_ECPowerButton(FirmwareTest):
"""
Servo based EC power button test.
"""
version = 1
# Delay between shutdown and wake by power button
LONG_WAKE_DELAY = 13
SHORT_WAKE_DELAY = 7
# Duration of holding down power button to shut down with powerd
POWER_BUTTON_POWERD_DURATION = 6
# Duration of holding down power button to shut down without powerd
POWER_BUTTON_NO_POWERD_DURATION = 11
def initialize(self, host, cmdline_args):
super(firmware_ECPowerButton, self).initialize(host, cmdline_args)
# Short duration of holding down power button to power on
self.POWER_BUTTON_SHORT_POWER_ON_DURATION = max(
self.faft_config.hold_pwr_button_poweron, 0.05)
# Long duration of holding down power button to power on
self.POWER_BUTTON_LONG_POWER_ON_DURATION = max(
self.faft_config.hold_pwr_button_poweron, 1)
# Only run in normal mode
self.switcher.setup_mode('normal')
def kill_powerd(self):
"""Stop powerd on client."""
self.faft_client.system.run_shell_command("stop powerd")
def debounce_power_button(self):
"""Check if power button debouncing works.
Press power button for a very short period and checks for power
button keycode.
"""
# Delay 3 seconds to ensure client machine is waiting for key press.
# Press power button for only 10ms. Should be debounced.
logging.info('ECPowerButton: debounce_power_button')
Timer(3, self.servo.power_key, [0.001]).start()
return self.faft_client.system.check_keys([116])
def shutdown_and_wake(self,
shutdown_powerkey_duration,
wake_delay,
wake_powerkey_duration):
"""
Shutdown the system by power button, delay, and then power on
by power button again.
"""
self.servo.power_key(shutdown_powerkey_duration)
Timer(wake_delay,
self.servo.power_key,
[wake_powerkey_duration]).start()
def run_once(self):
"""Runs a single iteration of the test."""
if not self.check_ec_capability():
raise error.TestNAError("Nothing needs to be tested on this device")
logging.info("Shutdown when powerd is still running and wake from S5 "
"with short power button press.")
if self.servo.is_localhost():
self.check_state(self.debounce_power_button)
self.switcher.mode_aware_reboot(
'custom',
lambda:self.shutdown_and_wake(
self.POWER_BUTTON_POWERD_DURATION,
self.SHORT_WAKE_DELAY,
self.POWER_BUTTON_SHORT_POWER_ON_DURATION))
logging.info("Shutdown when powerd is stopped and wake from G3 "
"with short power button press.")
self.kill_powerd()
self.switcher.mode_aware_reboot(
'custom',
lambda:self.shutdown_and_wake(
self.POWER_BUTTON_NO_POWERD_DURATION,
self.LONG_WAKE_DELAY,
self.POWER_BUTTON_SHORT_POWER_ON_DURATION))
logging.info("Shutdown when powerd is still running and wake from G3 "
"with long power button press.")
self.switcher.mode_aware_reboot(
'custom',
lambda:self.shutdown_and_wake(
self.POWER_BUTTON_POWERD_DURATION,
self.LONG_WAKE_DELAY,
self.POWER_BUTTON_LONG_POWER_ON_DURATION))
logging.info("Shutdown when powerd is stopped and wake from S5 "
"with long power button press.")
self.kill_powerd()
self.switcher.mode_aware_reboot(
'custom',
lambda:self.shutdown_and_wake(
self.POWER_BUTTON_NO_POWERD_DURATION,
self.SHORT_WAKE_DELAY,
self.POWER_BUTTON_LONG_POWER_ON_DURATION))