kopia lustrzana https://github.com/espressif/esp-idf
63 wiersze
2.1 KiB
C
63 wiersze
2.1 KiB
C
/*******************************************************************************
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// Copyright (c) 2003-2015 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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XTENSA INITIALIZATION ROUTINES CODED IN C
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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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#if CONFIG_IDF_TARGET_ESP32
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#include "esp32/clk.h"
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#elif CONFIG_IDF_TARGET_ESP32S2
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#include "esp32s2/clk.h"
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#elif CONFIG_IDF_TARGET_ESP32S3
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#include "esp32s3/clk.h"
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#endif
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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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