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63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
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/*
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* SPDX-FileCopyrightText: 2015-2019 Cadence Design Systems, Inc.
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*
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* SPDX-License-Identifier: MIT
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*
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* SPDX-FileContributor: 2016-2022 Espressif Systems (Shanghai) CO LTD
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*/
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/*
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* Copyright (c) 2015-2019 Cadence Design Systems, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* XTENSA INITIALIZATION ROUTINES CODED IN C
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*
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* This file contains miscellaneous Xtensa RTOS-generic initialization functions
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* that are implemented in C.
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*/
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#ifdef XT_BOARD
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#include "xtensa/xtbsp.h"
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#endif
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#include "xtensa_rtos.h"
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#include "sdkconfig.h"
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#include "esp_private/esp_clk.h"
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#ifdef XT_RTOS_TIMER_INT
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unsigned _xt_tick_divisor = 0; /* cached number of cycles per tick */
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void _xt_tick_divisor_init(void)
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{
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_xt_tick_divisor = esp_clk_cpu_freq() / XT_TICK_PER_SEC;
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}
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/* Deprecated, to be removed */
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int xt_clock_freq(void)
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{
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return esp_clk_cpu_freq();
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}
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#endif /* XT_RTOS_TIMER_INT */
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