diff options
Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/workspace_tools/host_tests/wait_us_auto.py')
-rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/workspace_tools/host_tests/wait_us_auto.py | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/workspace_tools/host_tests/wait_us_auto.py b/tmk_core/tool/mbed/mbed-sdk/workspace_tools/host_tests/wait_us_auto.py deleted file mode 100644 index 2ab66a3b51..0000000000 --- a/tmk_core/tool/mbed/mbed-sdk/workspace_tools/host_tests/wait_us_auto.py +++ /dev/null @@ -1,69 +0,0 @@ -""" -mbed SDK -Copyright (c) 2011-2013 ARM Limited - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -""" - -from time import time - -class WaitusTest(): - """ This test is reading single characters from stdio - and measures time between their occurrences. - """ - TICK_LOOP_COUNTER = 13 - TICK_LOOP_SUCCESSFUL_COUNTS = 10 - DEVIATION = 0.10 # +/-10% - - def test(self, selftest): - test_result = True - # First character to start test (to know after reset when test starts) - if selftest.mbed.set_serial_timeout(None) is None: - return selftest.RESULT_IO_SERIAL - c = selftest.mbed.serial_read(1) - if c is None: - return selftest.RESULT_IO_SERIAL - if c == '$': # target will printout TargetID e.g.: $$$$1040e649d5c09a09a3f6bc568adef61375c6 - #Read additional 39 bytes of TargetID - if selftest.mbed.serial_read(39) is None: - return selftest.RESULT_IO_SERIAL - c = selftest.mbed.serial_read(1) # Re-read first 'tick' - if c is None: - return selftest.RESULT_IO_SERIAL - start_serial_pool = time() - start = time() - - success_counter = 0 - - for i in range(0, self.TICK_LOOP_COUNTER): - c = selftest.mbed.serial_read(1) - if c is None: - return selftest.RESULT_IO_SERIAL - delta = time() - start - deviation = abs(delta - 1) - # Round values - delta = round(delta, 2) - deviation = round(deviation, 2) - # Check if time measurements are in given range - deviation_ok = True if delta > 0 and deviation <= self.DEVIATION else False - success_counter = success_counter+1 if deviation_ok else 0 - msg = "OK" if deviation_ok else "FAIL" - selftest.notify("%s in %.2f sec (%.2f) [%s]"% (c, delta, deviation, msg)) - start = time() - if success_counter >= self.TICK_LOOP_SUCCESSFUL_COUNTS: - break - measurement_time = time() - start_serial_pool - selftest.notify("Consecutive OK timer reads: %d"% success_counter) - selftest.notify("Completed in %.2f sec" % (measurement_time)) - test_result = True if success_counter >= self.TICK_LOOP_SUCCESSFUL_COUNTS else False - return selftest.RESULT_SUCCESS if test_result else selftest.RESULT_FAILURE |