/******************************************************************************* | |
* // Copyright (c) 2003-2015 Cadence Design Systems, Inc. | |
* // | |
* // Permission is hereby granted, free of charge, to any person obtaining | |
* // a copy of this software and associated documentation files (the | |
* // "Software"), to deal in the Software without restriction, including | |
* // without limitation the rights to use, copy, modify, merge, publish, | |
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* // permit persons to whom the Software is furnished to do so, subject to | |
* // the following conditions: | |
* // | |
* // The above copyright notice and this permission notice shall be included | |
* // in all copies or substantial portions of the Software. | |
* // | |
* // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
* // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
* // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
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* -------------------------------------------------------------------------------- | |
* | |
* XTENSA INITIALIZATION ROUTINES CODED IN C | |
* | |
* This file contains miscellaneous Xtensa RTOS-generic initialization functions | |
* that are implemented in C. | |
* | |
*******************************************************************************/ | |
#ifdef XT_BOARD | |
#include <xtensa/xtbsp.h> | |
#endif | |
#include "xtensa_rtos.h" | |
#include "esp_clk.h" | |
#ifdef XT_RTOS_TIMER_INT | |
unsigned _xt_tick_divisor = 0; /* cached number of cycles per tick */ | |
void _xt_tick_divisor_init( void ) | |
{ | |
_xt_tick_divisor = esp_clk_cpu_freq() / XT_TICK_PER_SEC; | |
} | |
/* Deprecated, to be removed */ | |
int xt_clock_freq( void ) | |
{ | |
return esp_clk_cpu_freq(); | |
} | |
#endif /* XT_RTOS_TIMER_INT */ |