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59 lines
1.9 KiB
Python
59 lines
1.9 KiB
Python
from __future__ import print_function
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import re
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import time
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import ttfw_idf
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ENTERING_SLEEP_STR = 'Entering light sleep'
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EXIT_SLEEP_REGEX = re.compile(r'Returned from light sleep, reason: (\w+), t=(\d+) ms, slept for (\d+) ms')
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WAITING_FOR_GPIO_STR = 'Waiting for GPIO0 to go high...'
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WAKEUP_INTERVAL_MS = 2000
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@ttfw_idf.idf_example_test(env_tag='Example_GENERIC')
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def test_examples_system_light_sleep(env, extra_data):
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dut = env.get_dut('light_sleep_example', 'examples/system/light_sleep', dut_class=ttfw_idf.ESP32DUT)
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dut.start_app()
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# Ensure DTR and RTS are de-asserted for proper control of GPIO0
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dut.port_inst.setDTR(False)
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dut.port_inst.setRTS(False)
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# enter sleep first time
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dut.expect(ENTERING_SLEEP_STR, timeout=30)
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# don't check timing here, might be cache dependent
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dut.expect(EXIT_SLEEP_REGEX)
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print('Got first sleep period')
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# enter sleep second time
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dut.expect(ENTERING_SLEEP_STR)
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groups = dut.expect(EXIT_SLEEP_REGEX)
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print('Got second sleep period, wakeup from {}, slept for {}'.format(groups[0], groups[2]))
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# sleep time error should be less than 1ms
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assert(groups[0] == 'timer' and int(groups[2]) == WAKEUP_INTERVAL_MS)
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# this time we'll test gpio wakeup
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dut.expect(ENTERING_SLEEP_STR)
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print('Pulling GPIO0 low using DTR')
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dut.port_inst.setDTR(True)
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time.sleep(1)
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groups = dut.expect(EXIT_SLEEP_REGEX)
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print('Got third sleep period, wakeup from {}, slept for {}'.format(groups[0], groups[2]))
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assert(groups[0] == 'pin' and int(groups[2]) < WAKEUP_INTERVAL_MS)
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dut.expect(WAITING_FOR_GPIO_STR)
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print('Is waiting for GPIO...')
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dut.port_inst.setDTR(False)
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dut.expect(ENTERING_SLEEP_STR)
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print('Went to sleep again')
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groups = dut.expect(EXIT_SLEEP_REGEX)
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assert(groups[0] == 'timer' and int(groups[2]) == WAKEUP_INTERVAL_MS)
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print('Woke up from timer again')
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if __name__ == '__main__':
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test_examples_system_light_sleep()
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