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host_tests/host_tests_plugins/module_reset_mbed.py@24:bea8f5fa1bcc, 2018-02-18 (annotated)

Committer:
screamer
Date:
Sun Feb 18 21:21:55 2018 +0000
Revision:
24:bea8f5fa1bcc
Parent:
0:4a2e5f0422d6 
Merge

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:4a2e5f0422d6 1 """
screamer 0:4a2e5f0422d6 2 mbed SDK
screamer 0:4a2e5f0422d6 3 Copyright (c) 2011-2013 ARM Limited
screamer 0:4a2e5f0422d6 4
screamer 0:4a2e5f0422d6 5 Licensed under the Apache License, Version 2.0 (the "License");
screamer 0:4a2e5f0422d6 6 you may not use this file except in compliance with the License.
screamer 0:4a2e5f0422d6 7 You may obtain a copy of the License at
screamer 0:4a2e5f0422d6 8
screamer 0:4a2e5f0422d6 9 http://www.apache.org/licenses/LICENSE-2.0
screamer 0:4a2e5f0422d6 10
screamer 0:4a2e5f0422d6 11 Unless required by applicable law or agreed to in writing, software
screamer 0:4a2e5f0422d6 12 distributed under the License is distributed on an "AS IS" BASIS,
screamer 0:4a2e5f0422d6 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
screamer 0:4a2e5f0422d6 14 See the License for the specific language governing permissions and
screamer 0:4a2e5f0422d6 15 limitations under the License.
screamer 0:4a2e5f0422d6 16 """
screamer 0:4a2e5f0422d6 17
screamer 0:4a2e5f0422d6 18 from host_test_plugins import HostTestPluginBase
screamer 0:4a2e5f0422d6 19
screamer 0:4a2e5f0422d6 20
screamer 0:4a2e5f0422d6 21 class HostTestPluginResetMethod_Mbed(HostTestPluginBase):
screamer 0:4a2e5f0422d6 22
screamer 0:4a2e5f0422d6 23 def safe_sendBreak(self, serial):
screamer 0:4a2e5f0422d6 24 """ Wraps serial.sendBreak() to avoid serial::serialposix.py exception on Linux
screamer 0:4a2e5f0422d6 25 Traceback (most recent call last):
screamer 0:4a2e5f0422d6 26 File "make.py", line 189, in <module>
screamer 0:4a2e5f0422d6 27 serial.sendBreak()
screamer 0:4a2e5f0422d6 28 File "/usr/lib/python2.7/dist-packages/serial/serialposix.py", line 511, in sendBreak
screamer 0:4a2e5f0422d6 29 termios.tcsendbreak(self.fd, int(duration/0.25))
screamer 0:4a2e5f0422d6 30 error: (32, 'Broken pipe')
screamer 0:4a2e5f0422d6 31 """
screamer 0:4a2e5f0422d6 32 result = True
screamer 0:4a2e5f0422d6 33 try:
screamer 0:4a2e5f0422d6 34 serial.sendBreak()
screamer 0:4a2e5f0422d6 35 except:
screamer 0:4a2e5f0422d6 36 # In linux a termios.error is raised in sendBreak and in setBreak.
screamer 0:4a2e5f0422d6 37 # The following setBreak() is needed to release the reset signal on the target mcu.
screamer 0:4a2e5f0422d6 38 try:
screamer 0:4a2e5f0422d6 39 serial.setBreak(False)
screamer 0:4a2e5f0422d6 40 except:
screamer 0:4a2e5f0422d6 41 result = False
screamer 0:4a2e5f0422d6 42 return result
screamer 0:4a2e5f0422d6 43
screamer 0:4a2e5f0422d6 44 # Plugin interface
screamer 0:4a2e5f0422d6 45 name = 'HostTestPluginResetMethod_Mbed'
screamer 0:4a2e5f0422d6 46 type = 'ResetMethod'
screamer 0:4a2e5f0422d6 47 stable = True
screamer 0:4a2e5f0422d6 48 capabilities = ['default']
screamer 0:4a2e5f0422d6 49 required_parameters = ['serial']
screamer 0:4a2e5f0422d6 50
screamer 0:4a2e5f0422d6 51 def setup(self, *args, **kwargs):
screamer 0:4a2e5f0422d6 52 """ Configure plugin, this function should be called before plugin execute() method is used.
screamer 0:4a2e5f0422d6 53 """
screamer 0:4a2e5f0422d6 54 return True
screamer 0:4a2e5f0422d6 55
screamer 0:4a2e5f0422d6 56 def execute(self, capabilitity, *args, **kwargs):
screamer 0:4a2e5f0422d6 57 """ Executes capability by name.
screamer 0:4a2e5f0422d6 58 Each capability may directly just call some command line
screamer 0:4a2e5f0422d6 59 program or execute building pythonic function
screamer 0:4a2e5f0422d6 60 """
screamer 0:4a2e5f0422d6 61 result = False
screamer 0:4a2e5f0422d6 62 if self.check_parameters(capabilitity, *args, **kwargs) is True:
screamer 0:4a2e5f0422d6 63 if capabilitity == 'default':
screamer 0:4a2e5f0422d6 64 serial = kwargs['serial']
screamer 0:4a2e5f0422d6 65 result = self.safe_sendBreak(serial)
screamer 0:4a2e5f0422d6 66 return result
screamer 0:4a2e5f0422d6 67
screamer 0:4a2e5f0422d6 68
screamer 0:4a2e5f0422d6 69 def load_plugin():
screamer 0:4a2e5f0422d6 70 """ Returns plugin available in this module
screamer 0:4a2e5f0422d6 71 """
screamer 0:4a2e5f0422d6 72 return HostTestPluginResetMethod_Mbed()