Marco Zecchini / Mbed OS Example_RTOS

Rtos API example

mbed-os/tools/host_tests/echo.py@0:9fca2b23d0ba, 2019-02-23 (annotated)

Committer:
marcozecchini
Date:
Sat Feb 23 12:13:36 2019 +0000
Revision:
0:9fca2b23d0ba
final commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
marcozecchini 0:9fca2b23d0ba 1 """
marcozecchini 0:9fca2b23d0ba 2 mbed SDK
marcozecchini 0:9fca2b23d0ba 3 Copyright (c) 2011-2013 ARM Limited
marcozecchini 0:9fca2b23d0ba 4
marcozecchini 0:9fca2b23d0ba 5 Licensed under the Apache License, Version 2.0 (the "License");
marcozecchini 0:9fca2b23d0ba 6 you may not use this file except in compliance with the License.
marcozecchini 0:9fca2b23d0ba 7 You may obtain a copy of the License at
marcozecchini 0:9fca2b23d0ba 8
marcozecchini 0:9fca2b23d0ba 9 http://www.apache.org/licenses/LICENSE-2.0
marcozecchini 0:9fca2b23d0ba 10
marcozecchini 0:9fca2b23d0ba 11 Unless required by applicable law or agreed to in writing, software
marcozecchini 0:9fca2b23d0ba 12 distributed under the License is distributed on an "AS IS" BASIS,
marcozecchini 0:9fca2b23d0ba 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
marcozecchini 0:9fca2b23d0ba 14 See the License for the specific language governing permissions and
marcozecchini 0:9fca2b23d0ba 15 limitations under the License.
marcozecchini 0:9fca2b23d0ba 16 """
marcozecchini 0:9fca2b23d0ba 17
marcozecchini 0:9fca2b23d0ba 18 import sys
marcozecchini 0:9fca2b23d0ba 19 import uuid
marcozecchini 0:9fca2b23d0ba 20 from sys import stdout
marcozecchini 0:9fca2b23d0ba 21
marcozecchini 0:9fca2b23d0ba 22 class EchoTest():
marcozecchini 0:9fca2b23d0ba 23
marcozecchini 0:9fca2b23d0ba 24 # Test parameters
marcozecchini 0:9fca2b23d0ba 25 TEST_SERIAL_BAUDRATE = 115200
marcozecchini 0:9fca2b23d0ba 26 TEST_LOOP_COUNT = 50
marcozecchini 0:9fca2b23d0ba 27
marcozecchini 0:9fca2b23d0ba 28 def test(self, selftest):
marcozecchini 0:9fca2b23d0ba 29 """ This host test will use mbed serial port with
marcozecchini 0:9fca2b23d0ba 30 baudrate 115200 to perform echo test on that port.
marcozecchini 0:9fca2b23d0ba 31 """
marcozecchini 0:9fca2b23d0ba 32 # Custom initialization for echo test
marcozecchini 0:9fca2b23d0ba 33 selftest.mbed.init_serial_params(serial_baud=self.TEST_SERIAL_BAUDRATE)
marcozecchini 0:9fca2b23d0ba 34 selftest.mbed.init_serial()
marcozecchini 0:9fca2b23d0ba 35
marcozecchini 0:9fca2b23d0ba 36 # Test function, return True or False to get standard test notification on stdout
marcozecchini 0:9fca2b23d0ba 37 selftest.mbed.flush()
marcozecchini 0:9fca2b23d0ba 38 selftest.notify("HOST: Starting the ECHO test")
marcozecchini 0:9fca2b23d0ba 39 result = True
marcozecchini 0:9fca2b23d0ba 40
marcozecchini 0:9fca2b23d0ba 41 """ This ensures that there are no parasites left in the serial buffer.
marcozecchini 0:9fca2b23d0ba 42 """
marcozecchini 0:9fca2b23d0ba 43 for i in range(0, 2):
marcozecchini 0:9fca2b23d0ba 44 selftest.mbed.serial_write("\n")
marcozecchini 0:9fca2b23d0ba 45 c = selftest.mbed.serial_readline()
marcozecchini 0:9fca2b23d0ba 46
marcozecchini 0:9fca2b23d0ba 47 for i in range(0, self.TEST_LOOP_COUNT):
marcozecchini 0:9fca2b23d0ba 48 TEST_STRING = str(uuid.uuid4()) + "\n"
marcozecchini 0:9fca2b23d0ba 49 selftest.mbed.serial_write(TEST_STRING)
marcozecchini 0:9fca2b23d0ba 50 c = selftest.mbed.serial_readline()
marcozecchini 0:9fca2b23d0ba 51 if c is None:
marcozecchini 0:9fca2b23d0ba 52 return selftest.RESULT_IO_SERIAL
marcozecchini 0:9fca2b23d0ba 53 if c.strip() != TEST_STRING.strip():
marcozecchini 0:9fca2b23d0ba 54 selftest.notify('HOST: "%s" != "%s"'% (c, TEST_STRING))
marcozecchini 0:9fca2b23d0ba 55 result = False
marcozecchini 0:9fca2b23d0ba 56 else:
marcozecchini 0:9fca2b23d0ba 57 sys.stdout.write('.')
marcozecchini 0:9fca2b23d0ba 58 stdout.flush()
marcozecchini 0:9fca2b23d0ba 59 return selftest.RESULT_SUCCESS if result else selftest.RESULT_FAILURE