Move greentea tests closure to library

Author: rajkan01

hal/tests/TESTS/host_tests/reset_reason.py

@@ -0,0 +1,181 @@
+"""
+Copyright (c) 2018-2019 Arm Limited and affiliates.
+SPDX-License-Identifier: Apache-2.0
+
+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 time
+from mbed_host_tests import BaseHostTest
+
+DEFAULT_SYNC_DELAY = 4.0
+
+MSG_VALUE_WATCHDOG_PRESENT = 1
+MSG_VALUE_DUMMY = '0'
+MSG_VALUE_RESET_REASON_GET = 'get'
+MSG_VALUE_RESET_REASON_CLEAR = 'clear'
+MSG_VALUE_DEVICE_RESET_NVIC = 'nvic'
+MSG_VALUE_DEVICE_RESET_WATCHDOG = 'watchdog'
+
+MSG_KEY_DEVICE_READY = 'ready'
+MSG_KEY_RESET_REASON_RAW = 'reason_raw'
+MSG_KEY_RESET_REASON = 'reason'
+MSG_KEY_DEVICE_RESET = 'reset'
+MSG_KEY_SYNC = '__sync'
+MSG_KEY_RESET_COMPLETE = 'reset_complete'
+
+RESET_REASONS = {
+    'POWER_ON': '0',
+    'PIN_RESET': '1',
+    'BROWN_OUT': '2',
+    'SOFTWARE': '3',
+    'WATCHDOG': '4',
+    'LOCKUP': '5',
+    'WAKE_LOW_POWER': '6',
+    'ACCESS_ERROR': '7',
+    'BOOT_ERROR': '8',
+    'MULTIPLE': '9',
+    'PLATFORM': '10',
+    'UNKNOWN': '11'
+}
+
+
+def raise_if_different(expected, actual, text=''):
+    """Raise a RuntimeError if actual is different than expected."""
+    if expected != actual:
+        raise RuntimeError('{}Got {!r}, expected {!r}'
+                           .format(text, actual, expected))
+
+
+class ResetReasonTest(BaseHostTest):
+    """Test for the Reset Reason HAL API.
+
+    Given a device supporting a Reset Reason API.
+    When the device is restarted using various methods.
+    Then the device returns a correct reset reason for every restart.
+    """
+
+    def __init__(self):
+        super(ResetReasonTest, self).__init__()
+        self.device_reasons = None
+        self.device_has_watchdog = None
+        self.raw_reset_reasons = set()
+        self.sync_delay = DEFAULT_SYNC_DELAY
+        self.test_steps_sequence = self.test_steps()
+        # Advance the coroutine to it's first yield statement.
+        self.test_steps_sequence.send(None)
+
+    def setup(self):
+        sync_delay = self.get_config_item('forced_reset_timeout')
+        self.sync_delay = sync_delay if sync_delay is not None else DEFAULT_SYNC_DELAY
+        self.register_callback(MSG_KEY_DEVICE_READY, self.cb_device_ready)
+        self.register_callback(MSG_KEY_RESET_REASON_RAW, self.cb_reset_reason_raw)
+        self.register_callback(MSG_KEY_RESET_REASON, self.cb_reset_reason)
+        self.register_callback(MSG_KEY_DEVICE_RESET, self.cb_reset_reason)
+        self.register_callback(MSG_KEY_RESET_COMPLETE, self.cb_reset_reason)
+
+    def cb_device_ready(self, key, value, timestamp):
+        """Request a raw value of the reset_reason register.
+
+        Additionally, save the device's reset_reason capabilities
+        and the watchdog status on the first call.
+        """
+        if self.device_reasons is None:
+            reasons, wdg_status = (int(i, base=16) for i in value.split(','))
+            self.device_has_watchdog = (wdg_status == MSG_VALUE_WATCHDOG_PRESENT)
+            self.device_reasons = [k for k, v in RESET_REASONS.items() if (reasons & 1 << int(v))]
+        self.send_kv(MSG_KEY_RESET_REASON_RAW, MSG_VALUE_RESET_REASON_GET)
+
+    def cb_reset_reason_raw(self, key, value, timestamp):
+        """Verify that the raw reset_reason register value is unique.
+
+        Fail the test suite if the raw reset_reason value is not unique.
+        Request a platform independent reset_reason otherwise.
+        """
+        if value in self.raw_reset_reasons:
+            self.log('TEST FAILED: The raw reset reason is not unique. '
+                     '{!r} is already present in {!r}.'
+                     .format(value, self.raw_reset_reasons))
+            self.notify_complete(False)
+        else:
+            self.raw_reset_reasons.add(value)
+        self.send_kv(MSG_KEY_RESET_REASON, MSG_VALUE_RESET_REASON_GET)
+
+    def cb_reset_reason(self, key, value, timestamp):
+        """Feed the test_steps coroutine with reset_reason value.
+
+        Pass the test suite if the coroutine yields True.
+        Fail the test suite if the iterator stops or raises a RuntimeError.
+        """
+        try:
+            if self.test_steps_sequence.send(value):
+                self.notify_complete(True)
+        except (StopIteration, RuntimeError) as exc:
+            self.log('TEST FAILED: {}'.format(exc))
+            self.notify_complete(False)
+
+    def test_steps(self):
+        """Generate a sequence of test steps.
+
+        This coroutine calls yield to wait for the input from the device
+        (the reset_reason). If the device gives the wrong response, the
+        generator raises a RuntimeError exception and fails the test.
+        """
+        # Ignore the first reason.
+        __ignored_reset_reason = yield
+        self.raw_reset_reasons.clear()
+        self.send_kv(MSG_KEY_RESET_REASON, MSG_VALUE_RESET_REASON_CLEAR)
+        __ignored_clear_ack = yield
+
+        # Request a NVIC_SystemReset() call.
+        expected_reason = 'SOFTWARE'
+        if expected_reason not in self.device_reasons:
+            self.log('Skipping the {} reset reason -- not supported.'.format(expected_reason))
+        else:
+            # Request a NVIC_SystemReset() call.
+            self.send_kv(MSG_KEY_DEVICE_RESET, MSG_VALUE_DEVICE_RESET_NVIC)
+            __ignored_reset_ack = yield
+            time.sleep(self.sync_delay)
+            self.send_kv(MSG_KEY_SYNC, MSG_VALUE_DUMMY)
+            reset_reason = yield
+            raise_if_different(RESET_REASONS[expected_reason], reset_reason, 'Wrong reset reason. ')
+            self.send_kv(MSG_KEY_RESET_REASON, MSG_VALUE_RESET_REASON_CLEAR)
+            __ignored_clear_ack = yield
+
+        # Reset the device using DAP.
+        expected_reason = 'PIN_RESET'
+        if expected_reason not in self.device_reasons:
+            self.log('Skipping the {} reset reason -- not supported.'.format(expected_reason))
+        else:
+            self.reset()
+            __ignored_reset_ack = yield  # 'reset_complete'
+            time.sleep(self.sync_delay)
+            self.send_kv(MSG_KEY_SYNC, MSG_VALUE_DUMMY)
+            reset_reason = yield
+            raise_if_different(RESET_REASONS[expected_reason], reset_reason, 'Wrong reset reason. ')
+            self.send_kv(MSG_KEY_RESET_REASON, MSG_VALUE_RESET_REASON_CLEAR)
+            __ignored_clear_ack = yield
+
+        # Start a watchdog timer and wait for it to reset the device.
+        expected_reason = 'WATCHDOG'
+        if expected_reason not in self.device_reasons or not self.device_has_watchdog:
+            self.log('Skipping the {} reset reason -- not supported.'.format(expected_reason))
+        else:
+            self.send_kv(MSG_KEY_DEVICE_RESET, MSG_VALUE_DEVICE_RESET_WATCHDOG)
+            __ignored_reset_ack = yield
+            time.sleep(self.sync_delay)
+            self.send_kv(MSG_KEY_SYNC, MSG_VALUE_DUMMY)
+            reset_reason = yield
+            raise_if_different(RESET_REASONS[expected_reason], reset_reason, 'Wrong reset reason. ')
+
+        # The sequence is correct -- test passed.
+        yield True

hal/tests/TESTS/host_tests/rtc_calc_auto.py

@@ -0,0 +1,140 @@
+"""
+Copyright (c) 2011-2020, Arm Limited and affiliates
+SPDX-License-Identifier: Apache-2.0
+
+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 mbed_host_tests import BaseHostTest
+import time
+import calendar
+import datetime
+
+class RTC_time_calc_test(BaseHostTest):
+    """
+    This is the host part of the test to verify if:
+    - _rtc_mktime function converts a calendar time into time since UNIX epoch as a time_t,
+    - _rtc_localtime function converts a given time in seconds since epoch into calendar time.
+    
+    The same algoritm to generate next calendar time to be tested is used by both parts of the test.
+    We will check if correct time since UNIX epoch is calculated for the first and the last day
+    of each month and across valid years.
+    
+    Mbed part of the test sends calculated time since UNIX epoch.
+    This part validates given value and responds to indicate pass or fail.
+    Additionally it sends also encoded day of week and day of year which
+    will be needed to verify _rtc_localtime.
+    
+    Support for both types of RTC devices is provided:
+    - RTCs which handles all leap years in the mentioned year range correctly. Leap year is determined by checking if
+      the year counter value is divisible by 400, 100, and 4. No problem here.
+    - RTCs which handles leap years correctly up to 2100. The RTC does a simple bit comparison to see if the two
+      lowest order bits of the year counter are zero. In this case 2100 year will be considered
+      incorrectly as a leap year, so the last valid point in time will be 28.02.2100 23:59:59 and next day will be
+      29.02.2100 (invalid). So after 28.02.2100 the day counter will be off by a day.
+      
+    """
+
+    edge_date = datetime.datetime(2100, 2, 28, 0, 0, 0)
+    
+    # Test the following years:
+    # - first - 1970
+    # - example not leap year (not divisible by 4)
+    # - example leap year (divisible by 4 and by 100 and by 400) 
+    # - example leap year (divisible by 4 and not by 100) 
+    # - example not leap year (divisible by 4 and by 100) 
+    # - last fully supported  - 2105
+    years = [1970, 1971, 2000, 2096, 2100, 2105]
+    year_id = 0
+             
+             
+
+    full_leap_year_support = False
+
+    RTC_FULL_LEAP_YEAR_SUPPORT = 0
+    RTC_PARTIAL_LEAP_YEAR_SUPPORT = 1
+
+    def _set_leap_year_support(self, key, value, timestamp):
+        if (int(value) == self.RTC_FULL_LEAP_YEAR_SUPPORT):
+            self.full_leap_year_support = True
+        else:
+            self.full_leap_year_support = False
+
+        self.first = True
+        self.date = datetime.datetime(1970, 1, 1, 23, 0, 0)
+        self.year_id = 0
+
+    def _verify_timestamp(self, key, value, timestamp):
+        # week day in python is counted from sunday(0) and on mbed side week day is counted from monday(0).
+        # year day in python is counted from 1 and on mbed side year day is counted from 0.
+        week_day = ((self.date.timetuple().tm_wday + 1) % 7)
+        year_day = self.date.timetuple().tm_yday - 1
+
+        # Fix for RTC which not have full leap year support.
+        if (not self.full_leap_year_support):
+            if self.date >= self.edge_date:
+                # After 28.02.2100 we should be one day off - add this day and store original
+                date_org = self.date
+                self.date += datetime.timedelta(days = 1)
+                
+                # Adjust week day.
+                week_day = ((self.date.timetuple().tm_wday + 1) % 7)
+
+                # Adjust year day.
+                if (self.date.year == 2100):
+                    year_day = self.date.timetuple().tm_yday - 1
+                else:
+                    year_day = date_org.timetuple().tm_yday - 1
+
+                # Last day in year
+                if (self.date.month == 1 and self.date.day == 1):
+                    if (self.date.year == 2101):
+                        # Exception for year 2100 - ivalid handled by RTC without full leap year support
+                        year_day = 365
+                    else:
+                        year_day = date_org.timetuple().tm_yday - 1
+
+        t = (self.date.year , self.date.month, self.date.day, self.date.hour, self.date.minute, self.date.second, 0, 0, 0)
+        
+        expected_timestamp = calendar.timegm(t)
+        actual_timestamp = int(value) & 0xffffffff # convert to unsigned int
+
+        # encode week day and year day in the response
+        response = (week_day << 16) | year_day
+        
+        if (actual_timestamp == expected_timestamp):
+            # response contains encoded week day and year day
+            self.send_kv("passed", str(response))
+        else:
+            self.send_kv("failed", 0)
+            print("expected = %d, result = %d" %  (expected_timestamp , actual_timestamp))
+
+        # calculate next date
+        if (self.first):
+            days_range = calendar.monthrange(self.date.year, self.date.month)
+            self.date = self.date.replace(day = days_range[1], minute = 59, second = 59)
+            self.first = not self.first
+        else:
+            self.date += datetime.timedelta(days = 1)
+            if (self.date.month == 1):
+                self.year_id += 1
+                if (len(self.years) == self.year_id):
+                    # All years were processed, no need to calc next date
+                    return
+                self.date = self.date.replace(year = self.years[self.year_id])
+            self.date = self.date.replace(day = 1, minute = 0, second = 0)
+            self.first = not self.first
+
+    def setup(self):
+        self.register_callback('timestamp', self._verify_timestamp)
+        self.register_callback('leap_year_setup', self._set_leap_year_support)