portable/ThirdParty/GCC/Xtensa_ESP32/xtensa_init.c

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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 */