esp-idf/examples/system/light_sleep/example_test.py

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from __future__ import print_function
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import re
import time
import ttfw_idf
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ENTERING_SLEEP_STR = 'Entering light sleep'
EXIT_SLEEP_REGEX = re.compile(r'Returned from light sleep, reason: (\w+), t=(\d+) ms, slept for (\d+) ms')
WAITING_FOR_GPIO_STR = re.compile(r'Waiting for GPIO\d to go high...')
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WAKEUP_INTERVAL_MS = 2000
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@ttfw_idf.idf_example_test(env_tag='Example_GENERIC', target=['esp32', 'esp32c3'])
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def test_examples_system_light_sleep(env, extra_data):
dut = env.get_dut('light_sleep_example', 'examples/system/light_sleep')
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dut.start_app()
# Ensure DTR and RTS are de-asserted for proper control of GPIO0
dut.port_inst.setDTR(False)
dut.port_inst.setRTS(False)
# enter sleep first time
dut.expect(ENTERING_SLEEP_STR, timeout=30)
# don't check timing here, might be cache dependent
dut.expect(EXIT_SLEEP_REGEX)
print('Got first sleep period')
# enter sleep second time
dut.expect(ENTERING_SLEEP_STR)
groups = dut.expect(EXIT_SLEEP_REGEX)
print('Got second sleep period, wakeup from {}, slept for {}'.format(groups[0], groups[2]))
# sleep time error should be less than 1ms
assert(groups[0] == 'timer' and int(groups[2]) == WAKEUP_INTERVAL_MS)
# this time we'll test gpio wakeup
dut.expect(ENTERING_SLEEP_STR)
print('Pulling GPIO0 low using DTR')
dut.port_inst.setDTR(True)
time.sleep(1)
groups = dut.expect(EXIT_SLEEP_REGEX)
print('Got third sleep period, wakeup from {}, slept for {}'.format(groups[0], groups[2]))
assert(groups[0] == 'pin' and int(groups[2]) < WAKEUP_INTERVAL_MS)
dut.expect(WAITING_FOR_GPIO_STR)
print('Is waiting for GPIO...')
dut.port_inst.setDTR(False)
dut.expect(ENTERING_SLEEP_STR)
print('Went to sleep again')
groups = dut.expect(EXIT_SLEEP_REGEX)
assert(groups[0] == 'timer' and int(groups[2]) == WAKEUP_INTERVAL_MS)
print('Woke up from timer again')
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if __name__ == '__main__':
test_examples_system_light_sleep()