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feat(lp_core): add a public function to get the timer cycle count 

Closes https://github.com/espressif/esp-idf/issues/13101
pull/13191/head
Omar Chebib 2024-02-05 16:54:42 +08:00
rodzic 91630fab36
commit 5a32ca10ad
2 zmienionych plików z 11 dodań i 4 usunięć
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9
components/ulp/lp_core/shared/include/ulp_lp_core_lp_timer_shared.h
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -11,6 +11,13 @@
extern "C" {
#endif
/**
* @brief Get the number of cycle count for the LP timer
*
* @return current timer cycle count
*/
uint64_t ulp_lp_core_lp_timer_get_cycle_count(void);
/**
* @brief Sets the next wakeup alarm
*

6
components/ulp/lp_core/shared/ulp_lp_core_lp_timer_shared.c
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -21,7 +21,7 @@ static void lp_timer_hal_set_alarm_target(uint64_t value)
lp_timer_ll_set_target_enable(lp_timer_context.dev, TIMER_ID, true);
}
static uint64_t lp_timer_hal_get_cycle_count(void)
uint64_t ulp_lp_core_lp_timer_get_cycle_count(void)
{
lp_timer_ll_counter_snapshot(lp_timer_context.dev);
@ -38,7 +38,7 @@ static uint64_t lp_timer_hal_get_cycle_count(void)
void ulp_lp_core_lp_timer_set_wakeup_time(uint64_t sleep_duration_us)
{
uint64_t cycle_cnt = lp_timer_hal_get_cycle_count();
uint64_t cycle_cnt = ulp_lp_core_lp_timer_get_cycle_count();
uint64_t alarm_target = cycle_cnt + sleep_duration_us * (1 << RTC_CLK_CAL_FRACT) / clk_ll_rtc_slow_load_cal();
lp_timer_hal_set_alarm_target(alarm_target);