| # 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 time |
| 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 |
| |
| # Duration of holding down power button to test ignoring power button press |
| POWER_BUTTON_IGNORE_PRESS_DURATION = 0.2 |
| |
| # Delay after pressing power button to check power state |
| POWER_BUTTON_IGNORE_PRESS_DELAY = 5 |
| |
| 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) |
| |
| # Send a new line to wakeup EC from deepsleep, |
| # it can happen if the EC console is not used for some time |
| if wake_delay > 2: |
| Timer(wake_delay - 1, self.ec.send_command, [""]).start() |
| |
| 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("Check system ignores short (200ms) power button press.") |
| old_boot_id = self.get_bootid(retry=1) |
| self.servo.power_key(self.POWER_BUTTON_IGNORE_PRESS_DURATION) |
| time.sleep(self.POWER_BUTTON_IGNORE_PRESS_DELAY) |
| power_state = self.get_power_state() |
| new_boot_id = self.get_bootid(retry=1) |
| if power_state != self.POWER_STATE_S0 or new_boot_id != old_boot_id: |
| self._reset_client() |
| raise error.TestFail("DUT shutdown from short power button press") |
| |
| 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)) |
