mirror of https://github.com/ARMmbed/mbed-os.git
88 lines
2.8 KiB
Python
88 lines
2.8 KiB
Python
"""
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mbed SDK
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Copyright (c) 2011-2013 ARM Limited
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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import sys
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import uuid
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import time
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import string
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from sys import stdout
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class SerialNCRXTest():
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def test(self, selftest):
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selftest.mbed.flush();
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# Wait 0.5 seconds to ensure mbed is listening
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time.sleep(0.5)
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#handshake with target to sync test start
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selftest.mbed.serial_write("S");
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strip_chars = string.whitespace + "\0"
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out_str = selftest.mbed.serial_readline()
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if not out_str:
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selftest.notify("HOST: No output detected")
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return selftest.RESULT_IO_SERIAL
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out_str_stripped = out_str.strip(strip_chars)
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if out_str_stripped != "RX OK - Start NC test":
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selftest.notify("HOST: Unexpected output. Expected 'RX OK - Expected' but received '%s'" % out_str_stripped)
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return selftest.RESULT_FAILURE
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# Wait 0.5 seconds to ensure mbed is listening
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time.sleep(0.5)
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selftest.mbed.serial_write("E");
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strip_chars = string.whitespace + "\0"
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out_str = selftest.mbed.serial_readline()
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if not out_str:
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selftest.notify("HOST: No output detected")
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return selftest.RESULT_IO_SERIAL
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out_str_stripped = out_str.strip(strip_chars)
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if out_str_stripped != "RX OK - Expected":
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selftest.notify("HOST: Unexpected output. Expected 'RX OK - Expected' but received '%s'" % out_str_stripped)
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return selftest.RESULT_FAILURE
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# Wait 0.5 seconds to ensure mbed is listening
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time.sleep(0.5)
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# Send character, mbed shouldn't receive
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selftest.mbed.serial_write("U");
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out_str = selftest.mbed.serial_readline()
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# If no characters received, pass the test
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if not out_str:
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selftest.notify("HOST: No further output detected")
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return selftest.RESULT_SUCCESS
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else:
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out_str_stripped = out_str.strip(strip_chars)
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if out_str_stripped == "RX OK - Unexpected":
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selftest.notify("HOST: Unexpected output returned indicating RX still functioning")
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else:
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selftest.notify("HOST: Extraneous output '%s' detected indicating unknown error" % out_str_stripped)
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return selftest.RESULT_FAILURE
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