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55 lines
2.1 KiB
C
55 lines
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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*
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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_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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