/* * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #pragma once #include #include "esp_clk_tree.h" #include "soc/soc_caps.h" #ifdef __cplusplus extern "C" { #endif #if SOC_CLK_RC_FAST_D256_SUPPORTED /** * @brief Get frequency of RC_FAST_D256_CLK * * @param precision Degree of precision of the returned frequency value, one of esp_clk_tree_src_freq_precision_t values * * @return RC_FAST_D256 clock frequency, in Hz. Returns 0 if degree of precision is invalid or calibration failed. */ uint32_t esp_clk_tree_rc_fast_d256_get_freq_hz(esp_clk_tree_src_freq_precision_t precision); #endif #if SOC_CLK_XTAL32K_SUPPORTED /** * @brief Get frequency of XTAL32K_CLK * * @param precision Degree of precision of the returned frequency value, one of esp_clk_tree_src_freq_precision_t values * * @return XTAL32K clock frequency, in Hz. Returns 0 if degree of precision is invalid or calibration failed. */ uint32_t esp_clk_tree_xtal32k_get_freq_hz(esp_clk_tree_src_freq_precision_t precision); #endif #if SOC_CLK_OSC_SLOW_SUPPORTED /** * @brief Get frequency of OSC_SLOW_CLK * * @param precision Degree of precision of the returned frequency value, one of esp_clk_tree_src_freq_precision_t values * * @return OSC_SLOW clock frequency, in Hz. Returns 0 if degree of precision is invalid or calibration failed. */ uint32_t esp_clk_tree_osc_slow_get_freq_hz(esp_clk_tree_src_freq_precision_t precision); #endif /** * @brief Get frequency of RC_FAST_CLK * * @param precision Degree of precision of the returned frequency value, one of esp_clk_tree_src_freq_precision_t values * * @return RC_FAST clock frequency, in Hz. Returns 0 if degree of precision is invalid or calibration failed. */ uint32_t esp_clk_tree_rc_fast_get_freq_hz(esp_clk_tree_src_freq_precision_t precision); /** * @brief Get frequency of LP_SLOW_CLK (i.e. RTC_SLOW_CLK) * * @param precision Degree of precision of the returned frequency value, one of esp_clk_tree_src_freq_precision_t values * * @return LP_SLOW clock frequency, in Hz. Returns 0 if degree of precision is invalid or calibration failed. */ uint32_t esp_clk_tree_lp_slow_get_freq_hz(esp_clk_tree_src_freq_precision_t precision); /** * @brief Get frequency of LP_FAST_CLK (i.e. RTC_FAST_CLK) * * @param precision Degree of precision of the returned frequency value, one of esp_clk_tree_src_freq_precision_t values * * @return LP_FAST clock frequency, in Hz. Returns 0 if degree of precision is invalid or calibration failed. */ uint32_t esp_clk_tree_lp_fast_get_freq_hz(esp_clk_tree_src_freq_precision_t precision); #ifdef __cplusplus } #endif