mirror of
https://github.com/espressif/esp-idf.git
synced 2026-08-16 05:35:08 +03:00
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2017-2024 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
// Provides strong definition for system time functions relied upon
|
|
// by core components.
|
|
#include "sdkconfig.h"
|
|
|
|
#if CONFIG_ESP_TIME_FUNCS_USE_ESP_TIMER
|
|
#include "esp_timer.h"
|
|
#include "esp_timer_impl.h"
|
|
#include "esp_system.h"
|
|
#ifndef CONFIG_IDF_TARGET_LINUX
|
|
#include "esp_newlib.h"
|
|
#endif
|
|
|
|
#include "esp_private/startup_internal.h"
|
|
#include "esp_rtc_time.h"
|
|
|
|
// Correction for underlying timer to keep definition
|
|
// of system time consistent.
|
|
static int64_t s_correction_us = 0;
|
|
|
|
#if defined(CONFIG_ESP_TIME_FUNCS_USE_ESP_TIMER) && defined(CONFIG_ESP_TIME_FUNCS_USE_RTC_TIMER)
|
|
ESP_SHUTDOWN_HANDLER_REGISTER(esp_sync_timekeeping_timers_shutdown, 100)
|
|
{
|
|
esp_sync_timekeeping_timers();
|
|
return ESP_OK;
|
|
}
|
|
#endif
|
|
|
|
void esp_timer_impl_init_system_time(void)
|
|
{
|
|
#ifndef CONFIG_IDF_TARGET_LINUX
|
|
s_correction_us = esp_rtc_get_time_us() - g_startup_time - esp_timer_impl_get_time();
|
|
#endif // !CONFIG_IDF_TARGET_LINUX
|
|
}
|
|
|
|
int64_t ESP_TIMER_IRAM_ATTR esp_system_get_time(void)
|
|
{
|
|
return esp_timer_get_time() + s_correction_us;
|
|
}
|
|
|
|
uint32_t ESP_TIMER_IRAM_ATTR esp_system_get_time_resolution(void)
|
|
{
|
|
return 1000;
|
|
}
|
|
#endif
|