mirror of https://github.com/ARMmbed/mbed-os.git
68 lines
2.4 KiB
Python
68 lines
2.4 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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from host_test import DefaultTest
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from time import time
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from sys import stdout
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class WaitusTest(DefaultTest):
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def run(self):
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test_result = True
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# First character to start test (to know after reset when test starts)
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self.mbed.serial.timeout = None
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c = self.mbed.serial_read(1)
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if c is None:
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self.print_result("ioerr_serial")
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return
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if c == '$': # target will printout TargetID e.g.: $$$$1040e649d5c09a09a3f6bc568adef61375c6
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#Read additional 39 bytes of TargetID
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if not self.mbed.serial_read(39):
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self.print_result("ioerr_serial")
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return
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c = self.mbed.serial_read(1) # Re-read first 'tick'
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if c is None:
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self.print_result("ioerr_serial")
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return
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print "Test started"
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start_serial_pool = start = time();
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for i in range(0, 10):
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c = self.mbed.serial_read(1)
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if c is None:
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self.print_result("ioerr_serial")
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return
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if i > 2: # we will ignore first few measurements
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delta = time() - start
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deviation = abs(delta - 1)
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deviation_ok = True if delta > 0 and deviation <= 0.05 else False # +/-5%
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test_result = test_result and deviation_ok
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msg = "OK" if deviation_ok else "FAIL"
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print ". in %.2f sec (%.2f) [%s]" % (delta, deviation, msg)
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else:
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print ". skipped"
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start = time();
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measurement_time = time() - start_serial_pool
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print "Completed in %.2f sec" % (measurement_time)
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if test_result: # All numbers are the same
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self.print_result('success')
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else:
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self.print_result('failure')
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stdout.flush()
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if __name__ == '__main__':
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WaitusTest().run()
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