Brian Daniels / mbed-tools

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Fork of mbed-tools by Morpheus

host_tests/serial_nc_rx_auto.py@0:4a2e5f0422d6, 2016-03-30 (annotated)

Committer:
screamer
Date:
Wed Mar 30 16:23:44 2016 +0000
Revision:
0:4a2e5f0422d6
Initial revision

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:4a2e5f0422d6 1 """
screamer 0:4a2e5f0422d6 2 mbed SDK
screamer 0:4a2e5f0422d6 3 Copyright (c) 2011-2013 ARM Limited
screamer 0:4a2e5f0422d6 4
screamer 0:4a2e5f0422d6 5 Licensed under the Apache License, Version 2.0 (the "License");
screamer 0:4a2e5f0422d6 6 you may not use this file except in compliance with the License.
screamer 0:4a2e5f0422d6 7 You may obtain a copy of the License at
screamer 0:4a2e5f0422d6 8
screamer 0:4a2e5f0422d6 9 http://www.apache.org/licenses/LICENSE-2.0
screamer 0:4a2e5f0422d6 10
screamer 0:4a2e5f0422d6 11 Unless required by applicable law or agreed to in writing, software
screamer 0:4a2e5f0422d6 12 distributed under the License is distributed on an "AS IS" BASIS,
screamer 0:4a2e5f0422d6 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
screamer 0:4a2e5f0422d6 14 See the License for the specific language governing permissions and
screamer 0:4a2e5f0422d6 15 limitations under the License.
screamer 0:4a2e5f0422d6 16 """
screamer 0:4a2e5f0422d6 17
screamer 0:4a2e5f0422d6 18 import sys
screamer 0:4a2e5f0422d6 19 import uuid
screamer 0:4a2e5f0422d6 20 import time
screamer 0:4a2e5f0422d6 21 import string
screamer 0:4a2e5f0422d6 22 from sys import stdout
screamer 0:4a2e5f0422d6 23
screamer 0:4a2e5f0422d6 24 class SerialNCRXTest():
screamer 0:4a2e5f0422d6 25
screamer 0:4a2e5f0422d6 26 def test(self, selftest):
screamer 0:4a2e5f0422d6 27 selftest.mbed.flush();
screamer 0:4a2e5f0422d6 28 selftest.mbed.serial_write("E");
screamer 0:4a2e5f0422d6 29
screamer 0:4a2e5f0422d6 30 strip_chars = string.whitespace + "\0"
screamer 0:4a2e5f0422d6 31
screamer 0:4a2e5f0422d6 32 out_str = selftest.mbed.serial_readline()
screamer 0:4a2e5f0422d6 33
screamer 0:4a2e5f0422d6 34 if not out_str:
screamer 0:4a2e5f0422d6 35 selftest.notify("HOST: No output detected")
screamer 0:4a2e5f0422d6 36 return selftest.RESULT_IO_SERIAL
screamer 0:4a2e5f0422d6 37
screamer 0:4a2e5f0422d6 38 out_str_stripped = out_str.strip(strip_chars)
screamer 0:4a2e5f0422d6 39
screamer 0:4a2e5f0422d6 40 if out_str_stripped != "RX OK - Expected":
screamer 0:4a2e5f0422d6 41 selftest.notify("HOST: Unexpected output. Expected 'RX OK - Expected' but received '%s'" % out_str_stripped)
screamer 0:4a2e5f0422d6 42 return selftest.RESULT_FAILURE
screamer 0:4a2e5f0422d6 43
screamer 0:4a2e5f0422d6 44 # Wait 0.5 seconds to ensure mbed is listening
screamer 0:4a2e5f0422d6 45 time.sleep(0.5)
screamer 0:4a2e5f0422d6 46
screamer 0:4a2e5f0422d6 47 # Send character, mbed shouldn't receive
screamer 0:4a2e5f0422d6 48 selftest.mbed.serial_write("U");
screamer 0:4a2e5f0422d6 49
screamer 0:4a2e5f0422d6 50 out_str = selftest.mbed.serial_readline()
screamer 0:4a2e5f0422d6 51
screamer 0:4a2e5f0422d6 52 # If no characters received, pass the test
screamer 0:4a2e5f0422d6 53 if not out_str:
screamer 0:4a2e5f0422d6 54 selftest.notify("HOST: No further output detected")
screamer 0:4a2e5f0422d6 55 return selftest.RESULT_SUCCESS
screamer 0:4a2e5f0422d6 56 else:
screamer 0:4a2e5f0422d6 57 out_str_stripped = out_str.strip(strip_chars)
screamer 0:4a2e5f0422d6 58
screamer 0:4a2e5f0422d6 59 if out_str_stripped == "RX OK - Unexpected":
screamer 0:4a2e5f0422d6 60 selftest.notify("HOST: Unexpected output returned indicating RX still functioning")
screamer 0:4a2e5f0422d6 61 else:
screamer 0:4a2e5f0422d6 62 selftest.notify("HOST: Extraneous output '%s' detected indicating unknown error" % out_str_stripped)
screamer 0:4a2e5f0422d6 63
screamer 0:4a2e5f0422d6 64 return selftest.RESULT_FAILURE