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Merge branch 'fix/fix_esp_timer_accuracy_when_do_dfs_v5.3' into 'release/v5.3'

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fix(esp_hw_support): improve esp timer accuracy on DFS for esp32 & esp32s2 (v5.3)

See merge request espressif/esp-idf!39341
This commit is contained in:
Jiang Jiang Jian
2025-05-26 19:54:44 +08:00
parent 46ac830333 162681d8ea
commit b78ef76005
13 changed files with 367 additions and 79 deletions
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16
components/hal/esp32/include/hal/timer_ll.h
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -10,6 +10,7 @@
#pragma once
#include <stdbool.h>
#include "esp_attr.h"
#include "hal/assert.h"
#include "hal/misc.h"
#include "hal/timer_types.h"
@@ -329,6 +330,19 @@ static inline volatile void *timer_ll_get_intr_status_reg(timg_dev_t *hw)
return &hw->int_st_timers.val;
}
/**
* @brief Set clock prescale for LACT timer
*
* @param hw Timer Group register base address
* @param timer_num Timer number in the group
* @param divider Prescale value (0 and 1 are not valid)
*/
FORCE_INLINE_ATTR void timer_ll_set_lact_clock_prescale(timg_dev_t *hw, uint32_t divider)
{
HAL_ASSERT(divider>=2);
HAL_FORCE_MODIFY_U32_REG_FIELD(hw->lactconfig, lact_divider, divider);
}
#ifdef __cplusplus
}
#endif