wfi_auto.py

00001 """
00002 mbed SDK
00003 Copyright (c) 2011-2013 ARM Limited
00004 
00005 Licensed under the Apache License, Version 2.0 (the "License");
00006 you may not use this file except in compliance with the License.
00007 You may obtain a copy of the License at
00008 
00009     http://www.apache.org/licenses/LICENSE-2.0
00010 
00011 Unless required by applicable law or agreed to in writing, software
00012 distributed under the License is distributed on an "AS IS" BASIS,
00013 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014 See the License for the specific language governing permissions and
00015 limitations under the License.
00016 """
00017 
00018 import sys
00019 import uuid
00020 import time
00021 from sys import stdout
00022 
00023 class WFITest():
00024 
00025     def test(self, selftest):
00026         c = selftest.mbed.serial_readline()
00027 
00028         if c == None:
00029             selftest.notify("HOST: No output detected")
00030             return selftest.RESULT_IO_SERIAL
00031 
00032         if c.strip() != "0":
00033             selftest.notify("HOST: Unexpected output. Expected '0' but received '%s'" % c.strip())
00034             return selftest.RESULT_FAILURE
00035 
00036         # Wait 10 seconds to allow serial prints (indicating failure)
00037         selftest.mbed.set_serial_timeout(10)
00038 
00039         # If no characters received, pass the test
00040         if not selftest.mbed.serial_readline():
00041             selftest.notify("HOST: No further output detected")
00042             return selftest.RESULT_SUCCESS
00043         else:
00044             selftest.notify("HOST: Extra output detected")
00045             return selftest.RESULT_FAILURE