OVMS3-idf/components/freertos/xtensa_init.c
2019-06-11 13:07:37 +08:00

60 lines
2 KiB
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 "sdkconfig.h"
#if CONFIG_IDF_TARGET_ESP32
#include "esp32/clk.h"
#elif CONFIG_IDF_TARGET_ESP32S2BETA
#include "esp32s2beta/clk.h"
#endif
#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 */