takashi kadono / Mbed OS Nucleo446_SSD1331

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Dependencies:   ssd1331

mbed-os/tools/host_tests/echo.py@3:f3764f852aa8, 2018-10-11 (annotated)

Committer:
kadonotakashi
Date:
Thu Oct 11 02:27:46 2018 +0000
Revision:
3:f3764f852aa8
Parent:
0:8fdf9a60065b 
Nucreo 446 + SSD1331 test version;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kadonotakashi 0:8fdf9a60065b 1 """
kadonotakashi 0:8fdf9a60065b 2 mbed SDK
kadonotakashi 0:8fdf9a60065b 3 Copyright (c) 2011-2013 ARM Limited
kadonotakashi 0:8fdf9a60065b 4
kadonotakashi 0:8fdf9a60065b 5 Licensed under the Apache License, Version 2.0 (the "License");
kadonotakashi 0:8fdf9a60065b 6 you may not use this file except in compliance with the License.
kadonotakashi 0:8fdf9a60065b 7 You may obtain a copy of the License at
kadonotakashi 0:8fdf9a60065b 8
kadonotakashi 0:8fdf9a60065b 9 http://www.apache.org/licenses/LICENSE-2.0
kadonotakashi 0:8fdf9a60065b 10
kadonotakashi 0:8fdf9a60065b 11 Unless required by applicable law or agreed to in writing, software
kadonotakashi 0:8fdf9a60065b 12 distributed under the License is distributed on an "AS IS" BASIS,
kadonotakashi 0:8fdf9a60065b 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kadonotakashi 0:8fdf9a60065b 14 See the License for the specific language governing permissions and
kadonotakashi 0:8fdf9a60065b 15 limitations under the License.
kadonotakashi 0:8fdf9a60065b 16 """
kadonotakashi 0:8fdf9a60065b 17
kadonotakashi 0:8fdf9a60065b 18 import sys
kadonotakashi 0:8fdf9a60065b 19 import uuid
kadonotakashi 0:8fdf9a60065b 20 from sys import stdout
kadonotakashi 0:8fdf9a60065b 21
kadonotakashi 0:8fdf9a60065b 22 class EchoTest():
kadonotakashi 0:8fdf9a60065b 23
kadonotakashi 0:8fdf9a60065b 24 # Test parameters
kadonotakashi 0:8fdf9a60065b 25 TEST_SERIAL_BAUDRATE = 115200
kadonotakashi 0:8fdf9a60065b 26 TEST_LOOP_COUNT = 50
kadonotakashi 0:8fdf9a60065b 27
kadonotakashi 0:8fdf9a60065b 28 def test(self, selftest):
kadonotakashi 0:8fdf9a60065b 29 """ This host test will use mbed serial port with
kadonotakashi 0:8fdf9a60065b 30 baudrate 115200 to perform echo test on that port.
kadonotakashi 0:8fdf9a60065b 31 """
kadonotakashi 0:8fdf9a60065b 32 # Custom initialization for echo test
kadonotakashi 0:8fdf9a60065b 33 selftest.mbed.init_serial_params(serial_baud=self.TEST_SERIAL_BAUDRATE)
kadonotakashi 0:8fdf9a60065b 34 selftest.mbed.init_serial()
kadonotakashi 0:8fdf9a60065b 35
kadonotakashi 0:8fdf9a60065b 36 # Test function, return True or False to get standard test notification on stdout
kadonotakashi 0:8fdf9a60065b 37 selftest.mbed.flush()
kadonotakashi 0:8fdf9a60065b 38 selftest.notify("HOST: Starting the ECHO test")
kadonotakashi 0:8fdf9a60065b 39 result = True
kadonotakashi 0:8fdf9a60065b 40
kadonotakashi 0:8fdf9a60065b 41 """ This ensures that there are no parasites left in the serial buffer.
kadonotakashi 0:8fdf9a60065b 42 """
kadonotakashi 0:8fdf9a60065b 43 for i in range(0, 2):
kadonotakashi 0:8fdf9a60065b 44 selftest.mbed.serial_write("\n")
kadonotakashi 0:8fdf9a60065b 45 c = selftest.mbed.serial_readline()
kadonotakashi 0:8fdf9a60065b 46
kadonotakashi 0:8fdf9a60065b 47 for i in range(0, self.TEST_LOOP_COUNT):
kadonotakashi 0:8fdf9a60065b 48 TEST_STRING = str(uuid.uuid4()) + "\n"
kadonotakashi 0:8fdf9a60065b 49 selftest.mbed.serial_write(TEST_STRING)
kadonotakashi 0:8fdf9a60065b 50 c = selftest.mbed.serial_readline()
kadonotakashi 0:8fdf9a60065b 51 if c is None:
kadonotakashi 0:8fdf9a60065b 52 return selftest.RESULT_IO_SERIAL
kadonotakashi 0:8fdf9a60065b 53 if c.strip() != TEST_STRING.strip():
kadonotakashi 0:8fdf9a60065b 54 selftest.notify('HOST: "%s" != "%s"'% (c, TEST_STRING))
kadonotakashi 0:8fdf9a60065b 55 result = False
kadonotakashi 0:8fdf9a60065b 56 else:
kadonotakashi 0:8fdf9a60065b 57 sys.stdout.write('.')
kadonotakashi 0:8fdf9a60065b 58 stdout.flush()
kadonotakashi 0:8fdf9a60065b 59 return selftest.RESULT_SUCCESS if result else selftest.RESULT_FAILURE