Anders Blomdell / mbed-sdk-tools

Clone of official tools

host_tests/echo.py@47:21ae3e5a7128, 2021-02-04 (annotated)

Committer:
Anders Blomdell
Date:
Thu Feb 04 17:17:13 2021 +0100
Revision:
47:21ae3e5a7128
Parent:
0:66f3b5499f7f 
Add a few normpath calls

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:66f3b5499f7f 1 """
screamer 0:66f3b5499f7f 2 mbed SDK
screamer 0:66f3b5499f7f 3 Copyright (c) 2011-2013 ARM Limited
screamer 0:66f3b5499f7f 4
screamer 0:66f3b5499f7f 5 Licensed under the Apache License, Version 2.0 (the "License");
screamer 0:66f3b5499f7f 6 you may not use this file except in compliance with the License.
screamer 0:66f3b5499f7f 7 You may obtain a copy of the License at
screamer 0:66f3b5499f7f 8
screamer 0:66f3b5499f7f 9 http://www.apache.org/licenses/LICENSE-2.0
screamer 0:66f3b5499f7f 10
screamer 0:66f3b5499f7f 11 Unless required by applicable law or agreed to in writing, software
screamer 0:66f3b5499f7f 12 distributed under the License is distributed on an "AS IS" BASIS,
screamer 0:66f3b5499f7f 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
screamer 0:66f3b5499f7f 14 See the License for the specific language governing permissions and
screamer 0:66f3b5499f7f 15 limitations under the License.
screamer 0:66f3b5499f7f 16 """
screamer 0:66f3b5499f7f 17
screamer 0:66f3b5499f7f 18 import sys
screamer 0:66f3b5499f7f 19 import uuid
screamer 0:66f3b5499f7f 20 from sys import stdout
screamer 0:66f3b5499f7f 21
screamer 0:66f3b5499f7f 22 class EchoTest():
screamer 0:66f3b5499f7f 23
screamer 0:66f3b5499f7f 24 # Test parameters
screamer 0:66f3b5499f7f 25 TEST_SERIAL_BAUDRATE = 115200
screamer 0:66f3b5499f7f 26 TEST_LOOP_COUNT = 50
screamer 0:66f3b5499f7f 27
screamer 0:66f3b5499f7f 28 def test(self, selftest):
screamer 0:66f3b5499f7f 29 """ This host test will use mbed serial port with
screamer 0:66f3b5499f7f 30 baudrate 115200 to perform echo test on that port.
screamer 0:66f3b5499f7f 31 """
screamer 0:66f3b5499f7f 32 # Custom initialization for echo test
screamer 0:66f3b5499f7f 33 selftest.mbed.init_serial_params(serial_baud=self.TEST_SERIAL_BAUDRATE)
screamer 0:66f3b5499f7f 34 selftest.mbed.init_serial()
screamer 0:66f3b5499f7f 35
screamer 0:66f3b5499f7f 36 # Test function, return True or False to get standard test notification on stdout
screamer 0:66f3b5499f7f 37 selftest.mbed.flush()
screamer 0:66f3b5499f7f 38 selftest.notify("HOST: Starting the ECHO test")
screamer 0:66f3b5499f7f 39 result = True
screamer 0:66f3b5499f7f 40
screamer 0:66f3b5499f7f 41 """ This ensures that there are no parasites left in the serial buffer.
screamer 0:66f3b5499f7f 42 """
screamer 0:66f3b5499f7f 43 for i in range(0, 2):
screamer 0:66f3b5499f7f 44 selftest.mbed.serial_write("\n")
screamer 0:66f3b5499f7f 45 c = selftest.mbed.serial_readline()
screamer 0:66f3b5499f7f 46
screamer 0:66f3b5499f7f 47 for i in range(0, self.TEST_LOOP_COUNT):
screamer 0:66f3b5499f7f 48 TEST_STRING = str(uuid.uuid4()) + "\n"
screamer 0:66f3b5499f7f 49 selftest.mbed.serial_write(TEST_STRING)
screamer 0:66f3b5499f7f 50 c = selftest.mbed.serial_readline()
screamer 0:66f3b5499f7f 51 if c is None:
screamer 0:66f3b5499f7f 52 return selftest.RESULT_IO_SERIAL
screamer 0:66f3b5499f7f 53 if c.strip() != TEST_STRING.strip():
screamer 0:66f3b5499f7f 54 selftest.notify('HOST: "%s" != "%s"'% (c, TEST_STRING))
screamer 0:66f3b5499f7f 55 result = False
screamer 0:66f3b5499f7f 56 else:
screamer 0:66f3b5499f7f 57 sys.stdout.write('.')
screamer 0:66f3b5499f7f 58 stdout.flush()
screamer 0:66f3b5499f7f 59 return selftest.RESULT_SUCCESS if result else selftest.RESULT_FAILURE