module_reset_mps2.py
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"""
mbed SDK
Copyright (c) 2011-2015 ARM Limited
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Author: Przemyslaw Wirkus <Przemyslaw.Wirkus@arm.com>
"""
import os
import time
from .host_test_plugins import HostTestPluginBase
# Note: This plugin is not fully functional, needs improvements
class HostTestPluginResetMethod_MPS2(HostTestPluginBase):
"""! Plugin used to reset ARM_MPS2 platform
@details Supports:
reboot.txt - startup from standby state, reboots when in run mode.
"""
# Plugin interface
name = 'HostTestPluginResetMethod_MPS2'
type = 'ResetMethod'
capabilities = ['reboot.txt']
required_parameters = ['disk']
def __init__(self):
""" ctor
"""
HostTestPluginBase.__init__(self)
def touch_file(self, path):
""" Touch file and set timestamp to items
"""
with open(path, 'a'):
os.utime(path, None)
def setup(self, *args, **kwargs):
""" Prepare / configure plugin to work.
This method can receive plugin specific parameters by kwargs and
ignore other parameters which may affect other plugins.
"""
return True
def execute(self, capability, *args, **kwargs):
"""! Executes capability by name
@param capability Capability name
@param args Additional arguments
@param kwargs Additional arguments
@details Each capability e.g. may directly just call some command line program or execute building pythonic function
@return Capability call return value
"""
result = False
if not kwargs['disk']:
self.print_plugin_error("Error: disk not specified")
return False
destination_disk = kwargs.get('disk', None)
# This optional parameter can be used if TargetID is provided (-t switch)
target_id = kwargs.get('target_id', None)
pooling_timeout = kwargs.get('polling_timeout', 60)
if self.check_parameters(capability, *args, **kwargs) is True:
if capability == 'reboot.txt':
reboot_file_path = os.path.join(destination_disk, capability)
reboot_fh = open(reboot_file_path, "w")
reboot_fh.close()
# Make sure the file is written to the board before continuing
if os.name == 'posix':
self.run_command('sync -f %s' % reboot_file_path, shell=True)
time.sleep(3) # sufficient delay for device to boot up
result, destination_disk = self.check_mount_point_ready(destination_disk, target_id=target_id, timeout=pooling_timeout)
return result
def load_plugin():
""" Returns plugin available in this module
"""
return HostTestPluginResetMethod_MPS2()
mbed_host_tests.host_tests_plugins.host_test_plugins.HostTestPluginBase
Base class for all plugins used with host tests.
Definition host_test_plugins.py:32
mbed_host_tests.host_tests_plugins.host_test_plugins.HostTestPluginBase.check_mount_point_ready
check_mount_point_ready(self, destination_disk, init_delay=0.2, loop_delay=0.25, target_id=None, timeout=60)
Waits until destination_disk is ready and can be accessed by e.g.
Definition host_test_plugins.py:116
mbed_host_tests.host_tests_plugins.host_test_plugins.HostTestPluginBase.print_plugin_error
print_plugin_error(self, text)
Interface helper methods - overload only if you need to have custom behaviour.
Definition host_test_plugins.py:93
mbed_host_tests.host_tests_plugins.host_test_plugins.HostTestPluginBase.run_command
run_command(self, cmd, shell=True)
Runs command from command line.
Definition host_test_plugins.py:227
mbed_host_tests.host_tests_plugins.host_test_plugins.HostTestPluginBase.check_parameters
check_parameters(self, capability, *args, **kwargs)
This function should be ran each time we call execute() to check if none of the required parameters i...
Definition host_test_plugins.py:211
mbed_host_tests.host_tests_plugins.module_reset_mps2.HostTestPluginResetMethod_MPS2
Plugin used to reset ARM_MPS2 platform.
Definition module_reset_mps2.py:27
mbed_host_tests.host_tests_plugins.module_reset_mps2.HostTestPluginResetMethod_MPS2.touch_file
touch_file(self, path)
Definition module_reset_mps2.py:45
mbed_host_tests.host_tests_plugins.module_reset_mps2.HostTestPluginResetMethod_MPS2.__init__
__init__(self)
Definition module_reset_mps2.py:40
mbed_host_tests.host_tests_plugins.module_reset_mps2.HostTestPluginResetMethod_MPS2.setup
setup(self, *args, **kwargs)
Definition module_reset_mps2.py:51
mbed_host_tests.host_tests_plugins.module_reset_mps2.HostTestPluginResetMethod_MPS2.execute
execute(self, capability, *args, **kwargs)
Executes capability by name.
Definition module_reset_mps2.py:58
mbed_host_tests.host_tests_plugins.module_reset_mps2.load_plugin
load_plugin()
Definition module_reset_mps2.py:92