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25 lines
567 B
C
25 lines
567 B
C
/*
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* SPDX-FileCopyrightText: 2023-2024 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 "sdkconfig.h"
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#include "esp_private/systimer.h"
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#include "hal/clk_tree_ll.h"
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/**
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* @brief systimer's clock source is fixed to XTAL, the fixed fractional divider is changed according to
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* EFUSE_XTAL_48M_SEL. No matter 48MHz or 40MHz XTAL, the resolution of the systimer is always 16MHz.
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*/
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uint64_t systimer_ticks_to_us(uint64_t ticks)
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{
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return ticks / 16;
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}
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uint64_t systimer_us_to_ticks(uint64_t us)
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{
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return us * 16;
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}
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