esp-idf/components/hal/timer_hal.c

25 lines
764 B
C

/*
* SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "hal/timer_hal.h"
#include "hal/timer_ll.h"
void timer_hal_init(timer_hal_context_t *hal, uint32_t group_num, uint32_t timer_num)
{
hal->dev = TIMER_LL_GET_HW(group_num);
hal->timer_id = timer_num;
}
void timer_hal_set_counter_value(timer_hal_context_t *hal, uint64_t load_val)
{
// save current reload value
uint64_t old_reload = timer_ll_get_reload_value(hal->dev, hal->timer_id);
timer_ll_set_reload_value(hal->dev, hal->timer_id, load_val);
timer_ll_trigger_soft_reload(hal->dev, hal->timer_id);
// restore the previous reload value
timer_ll_set_reload_value(hal->dev, hal->timer_id, old_reload);
}