EL4121 Embedded System / mbed-os

mbed-os

Dependents:   cobaLCDJoyMotor_Thread odometry_omni_3roda_v3 odometry_omni_3roda_v1 odometry_omni_3roda_v2 ... more

tools/host_tests/serial_nc_rx_auto.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?

UserRevisionLine numberNew 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 import time
be_bryan 0:b74591d5ab33 21 import string
be_bryan 0:b74591d5ab33 22 from sys import stdout
be_bryan 0:b74591d5ab33 23
be_bryan 0:b74591d5ab33 24 class SerialNCRXTest():
be_bryan 0:b74591d5ab33 25
be_bryan 0:b74591d5ab33 26 def test(self, selftest):
be_bryan 0:b74591d5ab33 27 selftest.mbed.flush();
be_bryan 0:b74591d5ab33 28 # Wait 0.5 seconds to ensure mbed is listening
be_bryan 0:b74591d5ab33 29 time.sleep(0.5)
be_bryan 0:b74591d5ab33 30
be_bryan 0:b74591d5ab33 31 #handshake with target to sync test start
be_bryan 0:b74591d5ab33 32 selftest.mbed.serial_write("S");
be_bryan 0:b74591d5ab33 33
be_bryan 0:b74591d5ab33 34 strip_chars = string.whitespace + "\0"
be_bryan 0:b74591d5ab33 35
be_bryan 0:b74591d5ab33 36 out_str = selftest.mbed.serial_readline()
be_bryan 0:b74591d5ab33 37
be_bryan 0:b74591d5ab33 38 if not out_str:
be_bryan 0:b74591d5ab33 39 selftest.notify("HOST: No output detected")
be_bryan 0:b74591d5ab33 40 return selftest.RESULT_IO_SERIAL
be_bryan 0:b74591d5ab33 41
be_bryan 0:b74591d5ab33 42 out_str_stripped = out_str.strip(strip_chars)
be_bryan 0:b74591d5ab33 43
be_bryan 0:b74591d5ab33 44 if out_str_stripped != "RX OK - Start NC test":
be_bryan 0:b74591d5ab33 45 selftest.notify("HOST: Unexpected output. Expected 'RX OK - Expected' but received '%s'" % out_str_stripped)
be_bryan 0:b74591d5ab33 46 return selftest.RESULT_FAILURE
be_bryan 0:b74591d5ab33 47
be_bryan 0:b74591d5ab33 48 # Wait 0.5 seconds to ensure mbed is listening
be_bryan 0:b74591d5ab33 49 time.sleep(0.5)
be_bryan 0:b74591d5ab33 50
be_bryan 0:b74591d5ab33 51 selftest.mbed.serial_write("E");
be_bryan 0:b74591d5ab33 52
be_bryan 0:b74591d5ab33 53 strip_chars = string.whitespace + "\0"
be_bryan 0:b74591d5ab33 54
be_bryan 0:b74591d5ab33 55 out_str = selftest.mbed.serial_readline()
be_bryan 0:b74591d5ab33 56
be_bryan 0:b74591d5ab33 57 if not out_str:
be_bryan 0:b74591d5ab33 58 selftest.notify("HOST: No output detected")
be_bryan 0:b74591d5ab33 59 return selftest.RESULT_IO_SERIAL
be_bryan 0:b74591d5ab33 60
be_bryan 0:b74591d5ab33 61 out_str_stripped = out_str.strip(strip_chars)
be_bryan 0:b74591d5ab33 62
be_bryan 0:b74591d5ab33 63 if out_str_stripped != "RX OK - Expected":
be_bryan 0:b74591d5ab33 64 selftest.notify("HOST: Unexpected output. Expected 'RX OK - Expected' but received '%s'" % out_str_stripped)
be_bryan 0:b74591d5ab33 65 return selftest.RESULT_FAILURE
be_bryan 0:b74591d5ab33 66
be_bryan 0:b74591d5ab33 67 # Wait 0.5 seconds to ensure mbed is listening
be_bryan 0:b74591d5ab33 68 time.sleep(0.5)
be_bryan 0:b74591d5ab33 69
be_bryan 0:b74591d5ab33 70 # Send character, mbed shouldn't receive
be_bryan 0:b74591d5ab33 71 selftest.mbed.serial_write("U");
be_bryan 0:b74591d5ab33 72
be_bryan 0:b74591d5ab33 73 out_str = selftest.mbed.serial_readline()
be_bryan 0:b74591d5ab33 74
be_bryan 0:b74591d5ab33 75 # If no characters received, pass the test
be_bryan 0:b74591d5ab33 76 if not out_str:
be_bryan 0:b74591d5ab33 77 selftest.notify("HOST: No further output detected")
be_bryan 0:b74591d5ab33 78 return selftest.RESULT_SUCCESS
be_bryan 0:b74591d5ab33 79 else:
be_bryan 0:b74591d5ab33 80 out_str_stripped = out_str.strip(strip_chars)
be_bryan 0:b74591d5ab33 81
be_bryan 0:b74591d5ab33 82 if out_str_stripped == "RX OK - Unexpected":
be_bryan 0:b74591d5ab33 83 selftest.notify("HOST: Unexpected output returned indicating RX still functioning")
be_bryan 0:b74591d5ab33 84 else:
be_bryan 0:b74591d5ab33 85 selftest.notify("HOST: Extraneous output '%s' detected indicating unknown error" % out_str_stripped)
be_bryan 0:b74591d5ab33 86
be_bryan 0:b74591d5ab33 87 return selftest.RESULT_FAILURE