kopia lustrzana https://github.com/espressif/esp-idf
51 wiersze
1.6 KiB
C
51 wiersze
1.6 KiB
C
// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "soc/rtc.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief This function is used to enable the digital 8m rtc clock,
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* to support the peripherals.
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*
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* @note If this function is called a number of times, the `periph_rtc_dig_clk8m_disable`
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* function needs to be called same times to disable.
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*
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* @return true: success for enable the rtc 8M clock, false: rtc 8M clock enable failed
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*/
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bool periph_rtc_dig_clk8m_enable(void);
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/**
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* @brief This function is used to disable the rtc digital clock, which should be called
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* with the `periph_rtc_dig_clk8m_enable` pairedly
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*
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* @note If this function is called a number of times, the `periph_rtc_dig_clk8m_disable`
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* function needs to be called same times to disable.
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*/
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void periph_rtc_dig_clk8m_disable(void);
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/**
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* @brief This function is used to get the real clock frequency value of the rtc clock
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*
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* @return The real clock value
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*/
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uint32_t periph_rtc_dig_clk8m_get_freq(void);
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#ifdef __cplusplus
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}
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#endif
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