Lee Kai Xuan / mbed-os

mbed-os

Fork of mbed-os by erkin yucel

tools/host_tests/serial_nc_rx_auto.py@0:f269e3021894, 2016-10-23 (annotated)

Committer:
elessair
Date:
Sun Oct 23 15:10:02 2016 +0000
Revision:
0:f269e3021894
Initial commit

Who changed what in which revision?

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elessair 0:f269e3021894 1 """
elessair 0:f269e3021894 2 mbed SDK
elessair 0:f269e3021894 3 Copyright (c) 2011-2013 ARM Limited
elessair 0:f269e3021894 4
elessair 0:f269e3021894 5 Licensed under the Apache License, Version 2.0 (the "License");
elessair 0:f269e3021894 6 you may not use this file except in compliance with the License.
elessair 0:f269e3021894 7 You may obtain a copy of the License at
elessair 0:f269e3021894 8
elessair 0:f269e3021894 9 http://www.apache.org/licenses/LICENSE-2.0
elessair 0:f269e3021894 10
elessair 0:f269e3021894 11 Unless required by applicable law or agreed to in writing, software
elessair 0:f269e3021894 12 distributed under the License is distributed on an "AS IS" BASIS,
elessair 0:f269e3021894 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elessair 0:f269e3021894 14 See the License for the specific language governing permissions and
elessair 0:f269e3021894 15 limitations under the License.
elessair 0:f269e3021894 16 """
elessair 0:f269e3021894 17
elessair 0:f269e3021894 18 import sys
elessair 0:f269e3021894 19 import uuid
elessair 0:f269e3021894 20 import time
elessair 0:f269e3021894 21 import string
elessair 0:f269e3021894 22 from sys import stdout
elessair 0:f269e3021894 23
elessair 0:f269e3021894 24 class SerialNCRXTest():
elessair 0:f269e3021894 25
elessair 0:f269e3021894 26 def test(self, selftest):
elessair 0:f269e3021894 27 selftest.mbed.flush();
elessair 0:f269e3021894 28 # Wait 0.5 seconds to ensure mbed is listening
elessair 0:f269e3021894 29 time.sleep(0.5)
elessair 0:f269e3021894 30
elessair 0:f269e3021894 31 #handshake with target to sync test start
elessair 0:f269e3021894 32 selftest.mbed.serial_write("S");
elessair 0:f269e3021894 33
elessair 0:f269e3021894 34 strip_chars = string.whitespace + "\0"
elessair 0:f269e3021894 35
elessair 0:f269e3021894 36 out_str = selftest.mbed.serial_readline()
elessair 0:f269e3021894 37
elessair 0:f269e3021894 38 if not out_str:
elessair 0:f269e3021894 39 selftest.notify("HOST: No output detected")
elessair 0:f269e3021894 40 return selftest.RESULT_IO_SERIAL
elessair 0:f269e3021894 41
elessair 0:f269e3021894 42 out_str_stripped = out_str.strip(strip_chars)
elessair 0:f269e3021894 43
elessair 0:f269e3021894 44 if out_str_stripped != "RX OK - Start NC test":
elessair 0:f269e3021894 45 selftest.notify("HOST: Unexpected output. Expected 'RX OK - Expected' but received '%s'" % out_str_stripped)
elessair 0:f269e3021894 46 return selftest.RESULT_FAILURE
elessair 0:f269e3021894 47
elessair 0:f269e3021894 48 # Wait 0.5 seconds to ensure mbed is listening
elessair 0:f269e3021894 49 time.sleep(0.5)
elessair 0:f269e3021894 50
elessair 0:f269e3021894 51 selftest.mbed.serial_write("E");
elessair 0:f269e3021894 52
elessair 0:f269e3021894 53 strip_chars = string.whitespace + "\0"
elessair 0:f269e3021894 54
elessair 0:f269e3021894 55 out_str = selftest.mbed.serial_readline()
elessair 0:f269e3021894 56
elessair 0:f269e3021894 57 if not out_str:
elessair 0:f269e3021894 58 selftest.notify("HOST: No output detected")
elessair 0:f269e3021894 59 return selftest.RESULT_IO_SERIAL
elessair 0:f269e3021894 60
elessair 0:f269e3021894 61 out_str_stripped = out_str.strip(strip_chars)
elessair 0:f269e3021894 62
elessair 0:f269e3021894 63 if out_str_stripped != "RX OK - Expected":
elessair 0:f269e3021894 64 selftest.notify("HOST: Unexpected output. Expected 'RX OK - Expected' but received '%s'" % out_str_stripped)
elessair 0:f269e3021894 65 return selftest.RESULT_FAILURE
elessair 0:f269e3021894 66
elessair 0:f269e3021894 67 # Wait 0.5 seconds to ensure mbed is listening
elessair 0:f269e3021894 68 time.sleep(0.5)
elessair 0:f269e3021894 69
elessair 0:f269e3021894 70 # Send character, mbed shouldn't receive
elessair 0:f269e3021894 71 selftest.mbed.serial_write("U");
elessair 0:f269e3021894 72
elessair 0:f269e3021894 73 out_str = selftest.mbed.serial_readline()
elessair 0:f269e3021894 74
elessair 0:f269e3021894 75 # If no characters received, pass the test
elessair 0:f269e3021894 76 if not out_str:
elessair 0:f269e3021894 77 selftest.notify("HOST: No further output detected")
elessair 0:f269e3021894 78 return selftest.RESULT_SUCCESS
elessair 0:f269e3021894 79 else:
elessair 0:f269e3021894 80 out_str_stripped = out_str.strip(strip_chars)
elessair 0:f269e3021894 81
elessair 0:f269e3021894 82 if out_str_stripped == "RX OK - Unexpected":
elessair 0:f269e3021894 83 selftest.notify("HOST: Unexpected output returned indicating RX still functioning")
elessair 0:f269e3021894 84 else:
elessair 0:f269e3021894 85 selftest.notify("HOST: Extraneous output '%s' detected indicating unknown error" % out_str_stripped)
elessair 0:f269e3021894 86
elessair 0:f269e3021894 87 return selftest.RESULT_FAILURE