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72 lines
2.4 KiB
C
72 lines
2.4 KiB
C
/*
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* FreeRTOS Kernel <DEVELOPMENT BRANCH>
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* Copyright (C) 2003-2015 Cadence Design Systems, Inc.
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* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* 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, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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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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*******************************************************************************/
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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 "esp_idf_version.h"
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#if (ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(4, 2, 0))
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#include "esp_clk.h"
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#else
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#if CONFIG_IDF_TARGET_ESP32S2
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#include "esp32s2/clk.h"
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#elif CONFIG_IDF_TARGET_ESP32
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#include "esp32/clk.h"
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#endif
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#endif /* ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(4, 2, 0) */
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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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