esp-idf/components/esp_hw_support/port/esp32s2/systimer.c

23 lines
465 B
C

/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "esp_private/systimer.h"
/**
* @brief systimer's clock source can be switch between XTAL (40MHz) and APB (80MHz).
* But the resolution of the systimer is configured to fix to 80MHz.
*/
uint64_t systimer_ticks_to_us(uint64_t ticks)
{
return ticks / 80;
}
uint64_t systimer_us_to_ticks(uint64_t us)
{
return us * 80;
}