mirror of
https://github.com/espressif/esp-idf.git
synced 2025-10-31 21:14:37 +00:00
62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/*******************************************************************************
|
|
// 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,
|
|
// distribute, sublicense, and/or sell copies of the Software, and to
|
|
// 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.
|
|
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
|
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
|
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
--------------------------------------------------------------------------------
|
|
|
|
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_ESP32S2
|
|
#include "esp32s2/clk.h"
|
|
#elif CONFIG_IDF_TARGET_ESP32S3
|
|
#include "esp32s3/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 */
|