ESP-IDF
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Outline
#include <stdint.h>
esp_timer_private_update_apb_freq(uint32_t);
esp_timer_private_set(uint64_t);
esp_timer_private_advance(int64_t);
esp_timer_private_lock();
esp_timer_private_unlock();
Files
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/esp_timer/include/esp_private/esp_timer_private.h
 
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/* * SPDX-FileCopyrightText: 2017-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ #pragma once /** * @file esp_private/esp_timer_private.h * * @brief Interface between common and platform-specific parts of esp_timer. * * The functions in this header file are implemented for each supported SoC. * High level functions defined in esp_timer.c call the functions here to * interact with the hardware. * * Note: The functions from this file are marked as private and are used exclusively * inside the IDF in the power management and sleep files. *//* ... */ #include <stdint.h> #ifdef __cplusplus extern "C" { #endif /** * @brief Notify esp_timer implementation that APB frequency has changed * * Called by the frequency switching code. * * @param apb_ticks_per_us new number of APB clock ticks per microsecond *//* ... */ void esp_timer_private_update_apb_freq(uint32_t apb_ticks_per_us); /** * @brief Set esp_timer time to a certain value * * Called from light sleep code to synchronize esp_timer time with RTC time. * * @param new_us the value to be set to esp_timer time, in microseconds *//* ... */ void esp_timer_private_set(uint64_t new_us); /** * @brief Adjust current esp_timer time by a certain value * * @param time_diff_us adjustment to apply to esp_timer time, in microseconds *//* ... */ void esp_timer_private_advance(int64_t time_diff_us); /** * @brief obtain internal critical section used in the esp_timer implementation * This can be used when a sequence of calls to esp_timer has to be made, * and it is necessary that the state of the timer is consistent between * the calls. Should be treated in the same way as a spinlock. * Call esp_timer_private_unlock to release the lock *//* ... */ void esp_timer_private_lock(void); /** * @brief counterpart of esp_timer_lock *//* ... */ void esp_timer_private_unlock(void); #ifdef __cplusplus }{...} #endif
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