Diff: tools/host_tests/rtc_auto.py

Revision:

0:b74591d5ab33

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/host_tests/rtc_auto.py	Mon Dec 11 17:54:04 2017 +0000
@@ -0,0 +1,50 @@
+"""
+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.
+"""
+
+import re
+from time import time, strftime, gmtime
+
+class RTCTest():
+    PATTERN_RTC_VALUE = "\[(\d+)\] \[(\d+-\d+-\d+ \d+:\d+:\d+ [AaPpMm]{2})\]"
+    re_detect_rtc_value = re.compile(PATTERN_RTC_VALUE)
+
+    def test(self, selftest):
+        test_result = True
+        start = time()
+        sec_prev = 0
+        for i in range(0, 5):
+            # Timeout changed from default: we need to wait longer for some boards to start-up
+            c = selftest.mbed.serial_readline(timeout=10)
+            if c is None:
+                return selftest.RESULT_IO_SERIAL
+            selftest.notify(c.strip())
+            delta = time() - start
+            m = self.re_detect_rtc_value.search(c)
+            if m and len(m.groups()):
+                sec = int(m.groups()[0])
+                time_str = m.groups()[1]
+                correct_time_str = strftime("%Y-%m-%d %H:%M:%S %p", gmtime(float(sec)))
+                single_result = time_str == correct_time_str and sec > 0 and sec > sec_prev
+                test_result = test_result and single_result
+                result_msg = "OK" if single_result else "FAIL"
+                selftest.notify("HOST: [%s] [%s] received time %+d sec after %.2f sec... %s"% (sec, time_str, sec - sec_prev, delta, result_msg))
+                sec_prev = sec
+            else:
+                test_result = False
+                break
+            start = time()
+        return selftest.RESULT_SUCCESS if test_result else selftest.RESULT_FAILURE