Daiki Kato / mbed-os-lychee

mbed-os for GR-LYCHEE

Dependents:   mbed-os-example-blinky-gr-lychee GR-Boads_Camera_sample GR-Boards_Audio_Recoder GR-Boads_Camera_DisplayApp ... more

tools/host_tests/echo.py@0:f782d9c66c49, 2018-02-02 (annotated)

Committer:
dkato
Date:
Fri Feb 02 05:42:23 2018 +0000
Revision:
0:f782d9c66c49
mbed-os for GR-LYCHEE

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dkato 0:f782d9c66c49 1 """
dkato 0:f782d9c66c49 2 mbed SDK
dkato 0:f782d9c66c49 3 Copyright (c) 2011-2013 ARM Limited
dkato 0:f782d9c66c49 4
dkato 0:f782d9c66c49 5 Licensed under the Apache License, Version 2.0 (the "License");
dkato 0:f782d9c66c49 6 you may not use this file except in compliance with the License.
dkato 0:f782d9c66c49 7 You may obtain a copy of the License at
dkato 0:f782d9c66c49 8
dkato 0:f782d9c66c49 9 http://www.apache.org/licenses/LICENSE-2.0
dkato 0:f782d9c66c49 10
dkato 0:f782d9c66c49 11 Unless required by applicable law or agreed to in writing, software
dkato 0:f782d9c66c49 12 distributed under the License is distributed on an "AS IS" BASIS,
dkato 0:f782d9c66c49 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
dkato 0:f782d9c66c49 14 See the License for the specific language governing permissions and
dkato 0:f782d9c66c49 15 limitations under the License.
dkato 0:f782d9c66c49 16 """
dkato 0:f782d9c66c49 17
dkato 0:f782d9c66c49 18 import sys
dkato 0:f782d9c66c49 19 import uuid
dkato 0:f782d9c66c49 20 from sys import stdout
dkato 0:f782d9c66c49 21
dkato 0:f782d9c66c49 22 class EchoTest():
dkato 0:f782d9c66c49 23
dkato 0:f782d9c66c49 24 # Test parameters
dkato 0:f782d9c66c49 25 TEST_SERIAL_BAUDRATE = 115200
dkato 0:f782d9c66c49 26 TEST_LOOP_COUNT = 50
dkato 0:f782d9c66c49 27
dkato 0:f782d9c66c49 28 def test(self, selftest):
dkato 0:f782d9c66c49 29 """ This host test will use mbed serial port with
dkato 0:f782d9c66c49 30 baudrate 115200 to perform echo test on that port.
dkato 0:f782d9c66c49 31 """
dkato 0:f782d9c66c49 32 # Custom initialization for echo test
dkato 0:f782d9c66c49 33 selftest.mbed.init_serial_params(serial_baud=self.TEST_SERIAL_BAUDRATE)
dkato 0:f782d9c66c49 34 selftest.mbed.init_serial()
dkato 0:f782d9c66c49 35
dkato 0:f782d9c66c49 36 # Test function, return True or False to get standard test notification on stdout
dkato 0:f782d9c66c49 37 selftest.mbed.flush()
dkato 0:f782d9c66c49 38 selftest.notify("HOST: Starting the ECHO test")
dkato 0:f782d9c66c49 39 result = True
dkato 0:f782d9c66c49 40
dkato 0:f782d9c66c49 41 """ This ensures that there are no parasites left in the serial buffer.
dkato 0:f782d9c66c49 42 """
dkato 0:f782d9c66c49 43 for i in range(0, 2):
dkato 0:f782d9c66c49 44 selftest.mbed.serial_write("\n")
dkato 0:f782d9c66c49 45 c = selftest.mbed.serial_readline()
dkato 0:f782d9c66c49 46
dkato 0:f782d9c66c49 47 for i in range(0, self.TEST_LOOP_COUNT):
dkato 0:f782d9c66c49 48 TEST_STRING = str(uuid.uuid4()) + "\n"
dkato 0:f782d9c66c49 49 selftest.mbed.serial_write(TEST_STRING)
dkato 0:f782d9c66c49 50 c = selftest.mbed.serial_readline()
dkato 0:f782d9c66c49 51 if c is None:
dkato 0:f782d9c66c49 52 return selftest.RESULT_IO_SERIAL
dkato 0:f782d9c66c49 53 if c.strip() != TEST_STRING.strip():
dkato 0:f782d9c66c49 54 selftest.notify('HOST: "%s" != "%s"'% (c, TEST_STRING))
dkato 0:f782d9c66c49 55 result = False
dkato 0:f782d9c66c49 56 else:
dkato 0:f782d9c66c49 57 sys.stdout.write('.')
dkato 0:f782d9c66c49 58 stdout.flush()
dkato 0:f782d9c66c49 59 return selftest.RESULT_SUCCESS if result else selftest.RESULT_FAILURE