mbed-os
Dependents: cobaLCDJoyMotor_Thread odometry_omni_3roda_v3 odometry_omni_3roda_v1 odometry_omni_3roda_v2 ... more
tools/host_tests/echo.py@0:b74591d5ab33, 2017-12-11 (annotated)
- Committer:
- be_bryan
- Date:
- Mon Dec 11 17:54:04 2017 +0000
- Revision:
- 0:b74591d5ab33
motor ++
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
be_bryan | 0:b74591d5ab33 | 1 | """ |
be_bryan | 0:b74591d5ab33 | 2 | mbed SDK |
be_bryan | 0:b74591d5ab33 | 3 | Copyright (c) 2011-2013 ARM Limited |
be_bryan | 0:b74591d5ab33 | 4 | |
be_bryan | 0:b74591d5ab33 | 5 | Licensed under the Apache License, Version 2.0 (the "License"); |
be_bryan | 0:b74591d5ab33 | 6 | you may not use this file except in compliance with the License. |
be_bryan | 0:b74591d5ab33 | 7 | You may obtain a copy of the License at |
be_bryan | 0:b74591d5ab33 | 8 | |
be_bryan | 0:b74591d5ab33 | 9 | http://www.apache.org/licenses/LICENSE-2.0 |
be_bryan | 0:b74591d5ab33 | 10 | |
be_bryan | 0:b74591d5ab33 | 11 | Unless required by applicable law or agreed to in writing, software |
be_bryan | 0:b74591d5ab33 | 12 | distributed under the License is distributed on an "AS IS" BASIS, |
be_bryan | 0:b74591d5ab33 | 13 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
be_bryan | 0:b74591d5ab33 | 14 | See the License for the specific language governing permissions and |
be_bryan | 0:b74591d5ab33 | 15 | limitations under the License. |
be_bryan | 0:b74591d5ab33 | 16 | """ |
be_bryan | 0:b74591d5ab33 | 17 | |
be_bryan | 0:b74591d5ab33 | 18 | import sys |
be_bryan | 0:b74591d5ab33 | 19 | import uuid |
be_bryan | 0:b74591d5ab33 | 20 | from sys import stdout |
be_bryan | 0:b74591d5ab33 | 21 | |
be_bryan | 0:b74591d5ab33 | 22 | class EchoTest(): |
be_bryan | 0:b74591d5ab33 | 23 | |
be_bryan | 0:b74591d5ab33 | 24 | # Test parameters |
be_bryan | 0:b74591d5ab33 | 25 | TEST_SERIAL_BAUDRATE = 115200 |
be_bryan | 0:b74591d5ab33 | 26 | TEST_LOOP_COUNT = 50 |
be_bryan | 0:b74591d5ab33 | 27 | |
be_bryan | 0:b74591d5ab33 | 28 | def test(self, selftest): |
be_bryan | 0:b74591d5ab33 | 29 | """ This host test will use mbed serial port with |
be_bryan | 0:b74591d5ab33 | 30 | baudrate 115200 to perform echo test on that port. |
be_bryan | 0:b74591d5ab33 | 31 | """ |
be_bryan | 0:b74591d5ab33 | 32 | # Custom initialization for echo test |
be_bryan | 0:b74591d5ab33 | 33 | selftest.mbed.init_serial_params(serial_baud=self.TEST_SERIAL_BAUDRATE) |
be_bryan | 0:b74591d5ab33 | 34 | selftest.mbed.init_serial() |
be_bryan | 0:b74591d5ab33 | 35 | |
be_bryan | 0:b74591d5ab33 | 36 | # Test function, return True or False to get standard test notification on stdout |
be_bryan | 0:b74591d5ab33 | 37 | selftest.mbed.flush() |
be_bryan | 0:b74591d5ab33 | 38 | selftest.notify("HOST: Starting the ECHO test") |
be_bryan | 0:b74591d5ab33 | 39 | result = True |
be_bryan | 0:b74591d5ab33 | 40 | |
be_bryan | 0:b74591d5ab33 | 41 | """ This ensures that there are no parasites left in the serial buffer. |
be_bryan | 0:b74591d5ab33 | 42 | """ |
be_bryan | 0:b74591d5ab33 | 43 | for i in range(0, 2): |
be_bryan | 0:b74591d5ab33 | 44 | selftest.mbed.serial_write("\n") |
be_bryan | 0:b74591d5ab33 | 45 | c = selftest.mbed.serial_readline() |
be_bryan | 0:b74591d5ab33 | 46 | |
be_bryan | 0:b74591d5ab33 | 47 | for i in range(0, self.TEST_LOOP_COUNT): |
be_bryan | 0:b74591d5ab33 | 48 | TEST_STRING = str(uuid.uuid4()) + "\n" |
be_bryan | 0:b74591d5ab33 | 49 | selftest.mbed.serial_write(TEST_STRING) |
be_bryan | 0:b74591d5ab33 | 50 | c = selftest.mbed.serial_readline() |
be_bryan | 0:b74591d5ab33 | 51 | if c is None: |
be_bryan | 0:b74591d5ab33 | 52 | return selftest.RESULT_IO_SERIAL |
be_bryan | 0:b74591d5ab33 | 53 | if c.strip() != TEST_STRING.strip(): |
be_bryan | 0:b74591d5ab33 | 54 | selftest.notify('HOST: "%s" != "%s"'% (c, TEST_STRING)) |
be_bryan | 0:b74591d5ab33 | 55 | result = False |
be_bryan | 0:b74591d5ab33 | 56 | else: |
be_bryan | 0:b74591d5ab33 | 57 | sys.stdout.write('.') |
be_bryan | 0:b74591d5ab33 | 58 | stdout.flush() |
be_bryan | 0:b74591d5ab33 | 59 | return selftest.RESULT_SUCCESS if result else selftest.RESULT_FAILURE |