85 lines
3.3 KiB
Python
85 lines
3.3 KiB
Python
# Copyright 2016 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
|
|
import os
|
|
import time
|
|
|
|
from autotest_lib.client.common_lib import error
|
|
from autotest_lib.server import test
|
|
from autotest_lib.server.cros import servo_keyboard_utils
|
|
|
|
|
|
class firmware_FlashServoKeyboardMap(test.test):
|
|
"""A test to flash the keyboard map on servo."""
|
|
version = 1
|
|
|
|
_ATMEGA_RESET_DELAY = 0.2
|
|
_USB_PRESENT_DELAY = 1
|
|
|
|
def run_once(self, host=None):
|
|
"""Body of the test."""
|
|
|
|
servo = host.servo
|
|
if host.run('hash dfu-programmer', ignore_status=True).exit_status:
|
|
raise error.TestError(
|
|
'The image is too old that does not have dfu-programmer.')
|
|
|
|
try:
|
|
servo.set_nocheck('init_usb_keyboard', 'on')
|
|
|
|
# Check the result of lsusb.
|
|
time.sleep(self._USB_PRESENT_DELAY)
|
|
lsusb_cmd = ('lsusb -d ' +
|
|
servo_keyboard_utils.ATMEL_USB_VENDOR_ID + ':')
|
|
result = host.run(lsusb_cmd).stdout.strip()
|
|
if ('LUFA Keyboard Demo' in result and
|
|
servo_keyboard_utils.is_servo_usb_wake_capable(host)):
|
|
logging.info('Already using the new keyboard map.')
|
|
return
|
|
|
|
# Boot AVR into DFU mode by enabling the HardWareBoot mode
|
|
# strapping and reset.
|
|
servo.set_get_all(['at_hwb:on',
|
|
'atmega_rst:on',
|
|
'sleep:%f' % self._ATMEGA_RESET_DELAY,
|
|
'atmega_rst:off',
|
|
'sleep:%f' % self._ATMEGA_RESET_DELAY,
|
|
'at_hwb:off'])
|
|
|
|
time.sleep(self._USB_PRESENT_DELAY)
|
|
result = host.run(lsusb_cmd).stdout.strip()
|
|
if not 'Atmel Corp. atmega32u4 DFU bootloader' in result:
|
|
message = 'Not an expected chip: %s' % result
|
|
logging.error(message)
|
|
raise error.TestFail(message)
|
|
|
|
# Update the keyboard map.
|
|
local_path = os.path.join(self.bindir, 'test_data', 'keyboard.hex')
|
|
host.send_file(local_path, '/tmp')
|
|
logging.info('Updating the keyboard map...')
|
|
host.run('dfu-programmer atmega32u4 erase --force')
|
|
host.run('dfu-programmer atmega32u4 flash /tmp/keyboard.hex')
|
|
|
|
# Reset the chip.
|
|
servo.set_get_all(['atmega_rst:on',
|
|
'sleep:%f' % self._ATMEGA_RESET_DELAY,
|
|
'atmega_rst:off'])
|
|
|
|
# Check the result of lsusb.
|
|
time.sleep(self._USB_PRESENT_DELAY)
|
|
result = host.run(lsusb_cmd).stdout.strip()
|
|
if 'LUFA Keyboard Demo' in result:
|
|
logging.info('Update successfully!')
|
|
else:
|
|
message = 'Update failed; got the result: %s' % result
|
|
logging.error(message)
|
|
raise error.TestFail(message)
|
|
|
|
finally:
|
|
# Restore the default settings.
|
|
# Select the chip on the USB mux unless using Servo V4
|
|
if 'servo_v4' not in servo.get_servo_version():
|
|
servo.set('usb_mux_sel4', 'on')
|