| # Copyright (c) 2011 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 xmlrpclib |
| from autotest_lib.client.common_lib import error |
| |
| |
| class Servo(object): |
| """ |
| Conduit to servo board connected to DUT |
| """ |
| |
| def initialize(self, servo_host='', servo_port='', verbose=False): |
| """ |
| servo_host: name or IP address of server servod is running on |
| servo_port: TCP port on which servod is listening on for this DUT |
| """ |
| self._remote = ''.join(['http://', servo_host, ':', servo_port]) |
| self._server = xmlrpclib.ServerProxy(self._remote, verbose=verbose) |
| # Try connecting to the server |
| self._server.system.listMethods() |
| |
| |
| def get_gpio(self, gpio_name=''): |
| """ |
| gpio_name: name of GPIO pin |
| """ |
| if not gpio_name: |
| raise error.TestFail('get_gpio: gpio_name not specified') |
| |
| value = self._server.get_gpio(gpio_name) |
| return value |
| |
| |
| def set_gpio(self, gpio_name='', gpio_value=''): |
| """ |
| gpio_name: name of GPIO pin |
| gpio_value: value to set GPIO pin to |
| """ |
| if not gpio_name or not gpio_value: |
| raise error.TestFail('set_gpio: gpio_name or value not specified') |
| |
| status = self._server.set_gpio(gpio_name, gpio_value) |
| return status |
