mirror of https://github.com/ARMmbed/mbed-os.git
73 lines
2.5 KiB
Python
73 lines
2.5 KiB
Python
"""
|
|
mbed SDK
|
|
Copyright (c) 2011-2013 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.
|
|
"""
|
|
|
|
from host_test_plugins import HostTestPluginBase
|
|
|
|
|
|
class HostTestPluginResetMethod_Mbed(HostTestPluginBase):
|
|
|
|
def safe_sendBreak(self, serial):
|
|
""" Wraps serial.sendBreak() to avoid serial::serialposix.py exception on Linux
|
|
Traceback (most recent call last):
|
|
File "make.py", line 189, in <module>
|
|
serial.sendBreak()
|
|
File "/usr/lib/python2.7/dist-packages/serial/serialposix.py", line 511, in sendBreak
|
|
termios.tcsendbreak(self.fd, int(duration/0.25))
|
|
error: (32, 'Broken pipe')
|
|
"""
|
|
result = True
|
|
try:
|
|
serial.sendBreak()
|
|
except:
|
|
# In linux a termios.error is raised in sendBreak and in setBreak.
|
|
# The following setBreak() is needed to release the reset signal on the target mcu.
|
|
try:
|
|
serial.setBreak(False)
|
|
except:
|
|
result = False
|
|
return result
|
|
|
|
# Plugin interface
|
|
name = 'HostTestPluginResetMethod_Mbed'
|
|
type = 'ResetMethod'
|
|
stable = True
|
|
capabilities = ['default']
|
|
required_parameters = ['serial']
|
|
|
|
def setup(self, *args, **kwargs):
|
|
""" Configure plugin, this function should be called before plugin execute() method is used.
|
|
"""
|
|
return True
|
|
|
|
def execute(self, capabilitity, *args, **kwargs):
|
|
""" Executes capability by name.
|
|
Each capability may directly just call some command line
|
|
program or execute building pythonic function
|
|
"""
|
|
result = False
|
|
if self.check_parameters(capabilitity, *args, **kwargs) is True:
|
|
if capabilitity == 'default':
|
|
serial = kwargs['serial']
|
|
result = self.safe_sendBreak(serial)
|
|
return result
|
|
|
|
|
|
def load_plugin():
|
|
""" Returns plugin available in this module
|
|
"""
|
|
return HostTestPluginResetMethod_Mbed()
|