mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <stdint.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* @brief Function which returns timestamp to be used in log output
|
|
*
|
|
* This function is used in expansion of ESP_LOGx macros.
|
|
* In the 2nd stage bootloader, and at early application startup stage
|
|
* this function uses CPU cycle counter as time source. Later when
|
|
* FreeRTOS scheduler start running, it switches to FreeRTOS tick count.
|
|
*
|
|
* For now, we ignore millisecond counter overflow.
|
|
*
|
|
* @return timestamp, in milliseconds
|
|
*/
|
|
uint32_t esp_log_timestamp(void);
|
|
|
|
/**
|
|
* @brief Function which returns system timestamp to be used in log output
|
|
*
|
|
* This function is used in expansion of ESP_LOGx macros to print
|
|
* the system time as "HH:MM:SS.sss". The system time is initialized to
|
|
* 0 on startup, this can be set to the correct time with an SNTP sync,
|
|
* or manually with standard POSIX time functions.
|
|
*
|
|
* Currently, this will not get used in logging from binary blobs
|
|
* (i.e. Wi-Fi & Bluetooth libraries), these will still print the RTOS tick time.
|
|
*
|
|
* @return timestamp, in "HH:MM:SS.sss"
|
|
*/
|
|
char* esp_log_system_timestamp(void);
|
|
|
|
/**
|
|
* @brief Function which returns timestamp to be used in log output
|
|
*
|
|
* This function uses HW cycle counter and does not depend on OS,
|
|
* so it can be safely used after application crash.
|
|
*
|
|
* @return timestamp, in milliseconds
|
|
*/
|
|
uint32_t esp_log_early_timestamp(void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|