mirror of
https://github.com/espressif/esp-idf.git
synced 2026-04-27 19:13:21 +00:00
Chen Jichang
67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/*
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* SPDX-FileCopyrightText: 2020-2026 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "clk_ctrl_os.h"
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#include "esp_attr.h"
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#include "esp_private/esp_clk_tree_common.h"
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#include "soc/clk_tree_defs.h"
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bool periph_rtc_dig_clk8m_enable(void)
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{
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return esp_clk_tree_enable_src(SOC_MOD_CLK_RC_FAST, true) == ESP_OK;
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}
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uint32_t periph_rtc_dig_clk8m_get_freq(void)
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{
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#if SOC_CLK_RC_FAST_SUPPORT_CALIBRATION
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return esp_clk_tree_rc_fast_get_freq_hz(ESP_CLK_TREE_SRC_FREQ_PRECISION_EXACT);
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#else
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return SOC_CLK_RC_FAST_FREQ_APPROX;
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#endif
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}
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void periph_rtc_dig_clk8m_disable(void)
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{
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(void)esp_clk_tree_enable_src(SOC_MOD_CLK_RC_FAST, false);
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}
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#if SOC_CLK_APLL_SUPPORTED
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void periph_rtc_apll_acquire(void)
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{
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(void)esp_clk_tree_enable_src(SOC_MOD_CLK_APLL, true);
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}
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void periph_rtc_apll_release(void)
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{
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(void)esp_clk_tree_enable_src(SOC_MOD_CLK_APLL, false);
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}
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esp_err_t periph_rtc_apll_freq_set(uint32_t expt_freq_hz, uint32_t *real_freq_hz)
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{
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return esp_clk_tree_src_set_freq_hz(SOC_MOD_CLK_APLL, expt_freq_hz, real_freq_hz);
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}
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#endif // SOC_CLK_APLL_SUPPORTED
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#if SOC_CLK_MPLL_SUPPORTED
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esp_err_t IRAM_ATTR periph_rtc_mpll_acquire(void)
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{
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// For IRAM compatibility, we do not use esp_clk_tree_enable_src here
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return esp_clk_tree_mpll_acquire();
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}
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void periph_rtc_mpll_release(void)
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{
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// For IRAM compatibility, we do not use esp_clk_tree_enable_src here
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(void)esp_clk_tree_mpll_release();
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}
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esp_err_t IRAM_ATTR periph_rtc_mpll_freq_set(uint32_t expt_freq_hz, uint32_t *real_freq_hz)
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{
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// For IRAM compatibility, we do not use esp_clk_tree_src_set_freq_hz here
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return esp_clk_tree_mpll_freq_set(expt_freq_hz, real_freq_hz);
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}
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#endif // SOC_CLK_MPLL_SUPPORTED
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