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Merge branch 'fix/lp_uart_data_bits' into 'master'

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fix(ulp/lp_core): fix LP UART data_bits validation and add full word-length test coverage

Closes PM-715, PM-660, IDFCI-10410, and IDFCI-10464

See merge request espressif/esp-idf!47432
This commit is contained in:
Sudeep Mohanty
2026-04-28 08:43:03 +02:00
parent c4efd82c25 4155acbdd1
commit cc025fa3d5
10 changed files with 1009 additions and 557 deletions
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6
examples/system/ulp/lp_core/build_system/pytest_lp_core_build_sys.py
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@@ -1,11 +1,13 @@
# SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
# SPDX-FileCopyrightText: 2024-2026 Espressif Systems (Shanghai) CO LTD
# SPDX-License-Identifier: CC0-1.0
import pytest
from pytest_embedded_idf.dut import IdfDut
from pytest_embedded_idf.utils import idf_parametrize
from pytest_embedded_idf.utils import soc_filtered_targets
@pytest.mark.generic
@idf_parametrize('target', ['esp32c5', 'esp32c6', 'esp32p4', 'esp32s31'], indirect=['target'])
@idf_parametrize('target', soc_filtered_targets('SOC_LP_CORE_SUPPORTED == 1'), indirect=['target'])
def test_lp_core_build_sys(dut: IdfDut) -> None:
dut.expect('Sum calculated by ULP using external library func: 11')

11
examples/system/ulp/lp_core/gpio_intr_pulse_counter/pytest_lp_core_pcnt.py
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@@ -1,14 +1,21 @@
# SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
# SPDX-FileCopyrightText: 2024-2026 Espressif Systems (Shanghai) CO LTD
# SPDX-License-Identifier: CC0-1.0
import logging
import pytest
from pytest_embedded import Dut
from pytest_embedded_idf.utils import idf_parametrize
from pytest_embedded_idf.utils import soc_filtered_targets
@pytest.mark.generic
@idf_parametrize('target', ['esp32c6', 'esp32p4', 'esp32c5'], indirect=['target'])
@idf_parametrize(
'target',
soc_filtered_targets(
'SOC_LP_CORE_SUPPORTED == 1 and SOC_ULP_LP_UART_SUPPORTED == 1 and SOC_DEEP_SLEEP_SUPPORTED == 1'
),
indirect=['target'],
)
def test_lp_core_pcnt(dut: Dut) -> None:
res = dut.expect(r'ULP will wake up processor after every (\d+) pulses')
wakeup_limit = res.group(1).decode('utf-8')

3
examples/system/ulp/lp_core/interrupt/pytest_lp_core_intr.py
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@@ -3,9 +3,10 @@
import pytest
from pytest_embedded import Dut
from pytest_embedded_idf.utils import idf_parametrize
from pytest_embedded_idf.utils import soc_filtered_targets
@pytest.mark.generic
@idf_parametrize('target', ['esp32c5', 'esp32c6', 'esp32p4', 'esp32s31'], indirect=['target'])
@idf_parametrize('target', soc_filtered_targets('SOC_LP_CORE_SUPPORTED == 1'), indirect=['target'])
def test_lp_core_intr(dut: Dut) -> None:
dut.expect('Triggered 10 interrupts on the LP-Core, LP-Core received 10 interrupts')

3
examples/system/ulp/lp_core/lp_timer_interrupt/pytest_lp_timer_interrupt.py
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@@ -5,10 +5,11 @@ import time
import pytest
from pytest_embedded import Dut
from pytest_embedded_idf.utils import idf_parametrize
from pytest_embedded_idf.utils import soc_filtered_targets
@pytest.mark.generic
@idf_parametrize('target', ['esp32c5', 'esp32c6', 'esp32p4'], indirect=['target'])
@idf_parametrize('target', soc_filtered_targets('SOC_LP_CORE_SUPPORTED == 1'), indirect=['target'])
def test_lp_timer_interrupt(dut: Dut) -> None:
# Wait for LP core to be loaded and running
dut.expect_exact('LP core loaded with firmware and running successfully')