Mirrors/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2026-10-02 11:10:54 +03:00
Code Issues Packages Projects Releases Wiki Activity

fix(ledc): wrong interrupt status handling in ISR could cause INT WDT

Browse Source 
Introduced in 88b62b19fd
This commit is contained in:
Song Ruo Jing
2026-04-08 16:59:12 +08:00
parent 16f4d275e4
commit 9f50fb8543
2 changed files with 21 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
components/esp_driver_ledc/src/ledc.c
+1 -1
View File
@@ -1206,7 +1206,7 @@ static void IRAM_ATTR ledc_fade_isr(void *arg)
continue; continue;
} }
intr_status = ledc_ll_get_intr_status(p_ledc_obj[speed_mode]->ledc_hal.dev) & LEDC_LL_DUTY_CHANGE_END_INTR_MASK(speed_mode); intr_status = ledc_ll_get_intr_status(p_ledc_obj[speed_mode]->ledc_hal.dev) & LEDC_LL_DUTY_CHANGE_END_INTR_MASK(speed_mode);
intr_status >>= __builtin_ctzll(intr_status); intr_status >>= __builtin_ctzll(LEDC_LL_DUTY_CHANGE_END_INTR_MASK(speed_mode));
while (intr_status) { while (intr_status) {
ledc_calc_fade_end_channel(&intr_status, &channel); ledc_calc_fade_end_channel(&intr_status, &channel);
examples/peripherals/ledc/ledc_fade/pytest_ledc_fade.py
+20
View File
@@ -0,0 +1,20 @@
# SPDX-FileCopyrightText: 2026 Espressif Systems (Shanghai) CO LTD
# SPDX-License-Identifier: CC0-1.0
import pytest
from pytest_embedded_idf 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', soc_filtered_targets('SOC_LEDC_SUPPORTED == 1'), indirect=['target'])
def test_ledc_fade_example(dut: IdfDut) -> None:
# repeat to test at least two rounds of fade
dut.expect_exact('1. LEDC fade up to duty = 4000')
dut.expect_exact('2. LEDC fade down to duty = 0')
dut.expect_exact('3. LEDC set duty = 4000 without fade')
dut.expect_exact('4. LEDC set duty = 0 without fade')
dut.expect_exact('1. LEDC fade up to duty = 4000')
dut.expect_exact('2. LEDC fade down to duty = 0')
dut.expect_exact('3. LEDC set duty = 4000 without fade')
dut.expect_exact('4. LEDC set duty = 0 without fade')