Magnificent7 / Hackathon

Includes library modifications to allow access to AIN_4 (AIN_0 / 5)

mbd_os/tools/host_tests/echo.py@0:eafc3fd41f75, 2016-09-20 (annotated)

Committer:
bryantaylor
Date:
Tue Sep 20 21:26:12 2016 +0000
Revision:
0:eafc3fd41f75
hackathon

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bryantaylor 0:eafc3fd41f75 1 """
bryantaylor 0:eafc3fd41f75 2 mbed SDK
bryantaylor 0:eafc3fd41f75 3 Copyright (c) 2011-2013 ARM Limited
bryantaylor 0:eafc3fd41f75 4
bryantaylor 0:eafc3fd41f75 5 Licensed under the Apache License, Version 2.0 (the "License");
bryantaylor 0:eafc3fd41f75 6 you may not use this file except in compliance with the License.
bryantaylor 0:eafc3fd41f75 7 You may obtain a copy of the License at
bryantaylor 0:eafc3fd41f75 8
bryantaylor 0:eafc3fd41f75 9 http://www.apache.org/licenses/LICENSE-2.0
bryantaylor 0:eafc3fd41f75 10
bryantaylor 0:eafc3fd41f75 11 Unless required by applicable law or agreed to in writing, software
bryantaylor 0:eafc3fd41f75 12 distributed under the License is distributed on an "AS IS" BASIS,
bryantaylor 0:eafc3fd41f75 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bryantaylor 0:eafc3fd41f75 14 See the License for the specific language governing permissions and
bryantaylor 0:eafc3fd41f75 15 limitations under the License.
bryantaylor 0:eafc3fd41f75 16 """
bryantaylor 0:eafc3fd41f75 17
bryantaylor 0:eafc3fd41f75 18 import sys
bryantaylor 0:eafc3fd41f75 19 import uuid
bryantaylor 0:eafc3fd41f75 20 from sys import stdout
bryantaylor 0:eafc3fd41f75 21
bryantaylor 0:eafc3fd41f75 22 class EchoTest():
bryantaylor 0:eafc3fd41f75 23
bryantaylor 0:eafc3fd41f75 24 # Test parameters
bryantaylor 0:eafc3fd41f75 25 TEST_SERIAL_BAUDRATE = 115200
bryantaylor 0:eafc3fd41f75 26 TEST_LOOP_COUNT = 50
bryantaylor 0:eafc3fd41f75 27
bryantaylor 0:eafc3fd41f75 28 def test(self, selftest):
bryantaylor 0:eafc3fd41f75 29 """ This host test will use mbed serial port with
bryantaylor 0:eafc3fd41f75 30 baudrate 115200 to perform echo test on that port.
bryantaylor 0:eafc3fd41f75 31 """
bryantaylor 0:eafc3fd41f75 32 # Custom initialization for echo test
bryantaylor 0:eafc3fd41f75 33 selftest.mbed.init_serial_params(serial_baud=self.TEST_SERIAL_BAUDRATE)
bryantaylor 0:eafc3fd41f75 34 selftest.mbed.init_serial()
bryantaylor 0:eafc3fd41f75 35
bryantaylor 0:eafc3fd41f75 36 # Test function, return True or False to get standard test notification on stdout
bryantaylor 0:eafc3fd41f75 37 selftest.mbed.flush()
bryantaylor 0:eafc3fd41f75 38 selftest.notify("HOST: Starting the ECHO test")
bryantaylor 0:eafc3fd41f75 39 result = True
bryantaylor 0:eafc3fd41f75 40
bryantaylor 0:eafc3fd41f75 41 """ This ensures that there are no parasites left in the serial buffer.
bryantaylor 0:eafc3fd41f75 42 """
bryantaylor 0:eafc3fd41f75 43 for i in range(0, 2):
bryantaylor 0:eafc3fd41f75 44 selftest.mbed.serial_write("\n")
bryantaylor 0:eafc3fd41f75 45 c = selftest.mbed.serial_readline()
bryantaylor 0:eafc3fd41f75 46
bryantaylor 0:eafc3fd41f75 47 for i in range(0, self.TEST_LOOP_COUNT):
bryantaylor 0:eafc3fd41f75 48 TEST_STRING = str(uuid.uuid4()) + "\n"
bryantaylor 0:eafc3fd41f75 49 selftest.mbed.serial_write(TEST_STRING)
bryantaylor 0:eafc3fd41f75 50 c = selftest.mbed.serial_readline()
bryantaylor 0:eafc3fd41f75 51 if c is None:
bryantaylor 0:eafc3fd41f75 52 return selftest.RESULT_IO_SERIAL
bryantaylor 0:eafc3fd41f75 53 if c.strip() != TEST_STRING.strip():
bryantaylor 0:eafc3fd41f75 54 selftest.notify('HOST: "%s" != "%s"'% (c, TEST_STRING))
bryantaylor 0:eafc3fd41f75 55 result = False
bryantaylor 0:eafc3fd41f75 56 else:
bryantaylor 0:eafc3fd41f75 57 sys.stdout.write('.')
bryantaylor 0:eafc3fd41f75 58 stdout.flush()
bryantaylor 0:eafc3fd41f75 59 return selftest.RESULT_SUCCESS if result else selftest.RESULT_FAILURE