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66 lines
2.7 KiB
Python
66 lines
2.7 KiB
Python
# SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: CC0-1.0
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import logging
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import time
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import pytest
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from pytest_embedded import Dut
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@pytest.mark.supported_targets
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@pytest.mark.generic
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def test_light_sleep(dut: Dut) -> None:
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ENTERING_SLEEP_STR = 'Entering light sleep'
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EXIT_SLEEP_REGEX = r'Returned from light sleep, reason: (\w+), t=(\d+) ms, slept for (\d+) ms'
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EXIT_SLEEP_PIN_REGEX = r'Returned from light sleep, reason: (pin), t=(\d+) ms, slept for (\d+) ms'
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EXIT_SLEEP_UART_REGEX = r'Returned from light sleep, reason: (uart), t=(\d+) ms, slept for (\d+) ms'
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WAITING_FOR_GPIO_STR = r'Waiting for GPIO\d to go high...'
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WAKEUP_INTERVAL_MS = 2000
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# Ensure DTR and RTS are de-asserted for proper control of GPIO0
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dut.serial.proc.setDTR(False)
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dut.serial.proc.setRTS(False)
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# enter sleep first time
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dut.expect_exact(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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logging.info('Got first sleep period')
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# enter sleep second time
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dut.expect_exact(ENTERING_SLEEP_STR)
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match = dut.expect(EXIT_SLEEP_REGEX)
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logging.info('Got second sleep period, wakeup from {}, slept for {}'.format(match.group(1), match.group(3)))
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# sleep time error should be less than 1ms
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assert match.group(1).decode('utf8') == 'timer' and int(match.group(3)) >= WAKEUP_INTERVAL_MS - 1 and int(match.group(3)) <= WAKEUP_INTERVAL_MS + 1
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# this time we'll test gpio wakeup
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dut.expect_exact(ENTERING_SLEEP_STR)
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logging.info('Pulling GPIO0 low using DTR')
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dut.serial.proc.setDTR(True)
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time.sleep(1)
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match = dut.expect(EXIT_SLEEP_PIN_REGEX)
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logging.info('Got third sleep period, wakeup from {}, slept for {}'.format(match.group(1), match.group(3)))
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assert int(match.group(3)) < WAKEUP_INTERVAL_MS
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dut.expect(WAITING_FOR_GPIO_STR)
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logging.info('Is waiting for GPIO...')
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dut.serial.proc.setDTR(False)
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dut.expect_exact(ENTERING_SLEEP_STR)
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logging.info('Went to sleep again')
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# Write 'a' to uart, 'a' in ascii is 0x61 which contains 3 rising edges in total (including the stop bit)
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dut.write('a')
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time.sleep(1)
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match = dut.expect(EXIT_SLEEP_UART_REGEX)
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logging.info('Got third sleep period, wakeup from {}, slept for {}'.format(match.group(1), match.group(3)))
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assert int(match.group(3)) < WAKEUP_INTERVAL_MS
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logging.info('Went to sleep again')
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match = dut.expect(EXIT_SLEEP_REGEX)
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assert match.group(1).decode('utf8') == 'timer' and int(match.group(3)) >= WAKEUP_INTERVAL_MS - 1 and int(match.group(3)) <= WAKEUP_INTERVAL_MS + 1
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logging.info('Woke up from timer again')
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