73 строки
2.5 KiB
Python
73 строки
2.5 KiB
Python
"""
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mbed SDK
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Copyright (c) 2011-2013 ARM Limited
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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from host_test_plugins import HostTestPluginBase
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class HostTestPluginResetMethod_Mbed(HostTestPluginBase):
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def safe_sendBreak(self, serial):
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""" Wraps serial.sendBreak() to avoid serial::serialposix.py exception on Linux
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Traceback (most recent call last):
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File "make.py", line 189, in <module>
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serial.sendBreak()
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File "/usr/lib/python2.7/dist-packages/serial/serialposix.py", line 511, in sendBreak
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termios.tcsendbreak(self.fd, int(duration/0.25))
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error: (32, 'Broken pipe')
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"""
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result = True
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try:
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serial.sendBreak()
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except:
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# In linux a termios.error is raised in sendBreak and in setBreak.
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# The following setBreak() is needed to release the reset signal on the target mcu.
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try:
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serial.setBreak(False)
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except:
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result = False
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return result
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# Plugin interface
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name = 'HostTestPluginResetMethod_Mbed'
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type = 'ResetMethod'
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stable = True
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capabilities = ['default']
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required_parameters = ['serial']
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def setup(self, *args, **kwargs):
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""" Configure plugin, this function should be called before plugin execute() method is used.
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"""
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return True
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def execute(self, capabilitity, *args, **kwargs):
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""" Executes capability by name.
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Each capability may directly just call some command line
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program or execute building pythonic function
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"""
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result = False
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if self.check_parameters(capabilitity, *args, **kwargs) is True:
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if capabilitity == 'default':
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serial = kwargs['serial']
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result = self.safe_sendBreak(serial)
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return result
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def load_plugin():
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""" Returns plugin available in this module
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"""
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return HostTestPluginResetMethod_Mbed()
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