esp-idf/examples/peripherals/timer_group/example_test.py

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#!/usr/bin/env python
#
# SPDX-FileCopyrightText: 2019-2021 Espressif Systems (Shanghai) CO LTD
#
# SPDX-License-Identifier: CC0-1.0
#
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from __future__ import unicode_literals
import re
from typing import Any
import ttfw_idf
@ttfw_idf.idf_example_test(env_tag='Example_GENERIC', target=['esp32', 'esp32s2', 'esp32c3'])
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def test_examples_timergroup(env, extra_data): # type: (Any, Any) -> None
dut = env.get_dut('timer_group', 'examples/peripherals/timer_group')
dut.start_app()
# check auto reload function
with_auto_reload = dut.expect(re.compile(r'Timer Group (\S+) auto reload'), timeout=30)[0]
assert with_auto_reload == 'with'
select_groups = dut.expect(re.compile(r'Group\[(\d)\], timer\[(\d)\] alarm event'))
timer_group_num = int(select_groups[0])
timer_instance_num = int(select_groups[1])
assert timer_group_num == 0 and timer_instance_num == 0
dut.expect('EVENT TIME')
counter_value = dut.expect(re.compile(r'Counter:\s+(0x\d+)'))[0]
counter_value = int(counter_value, 16)
print('counter value at auto reload event: ', counter_value)
assert counter_value < 20
# check timer interval
dut.expect('Timer Group without auto reload', timeout=5)
dut.expect('EVENT TIME')
event_time0 = dut.expect(re.compile(r'Time\s+:\s+(\d+\.\d+)\s+s'))[0]
print('event0={}'.format(event_time0))
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if __name__ == '__main__':
test_examples_timergroup()