xiaozhengsheng 6df0f7d96e 初始版本
2025-08-19 09:49:41 +08:00

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C

/**
* Copyright (c) 2016 - 2020, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef NRF_LOG_CTRL_H
#define NRF_LOG_CTRL_H
/**@file
* @addtogroup nrf_log Logger module
* @ingroup app_common
*
* @defgroup nrf_log_ctrl Functions for controlling nrf_log
* @{
* @ingroup nrf_log
* @brief The nrf_log control interface.
*/
#include "sdk_config.h"
#include "sdk_errors.h"
#include <stdint.h>
#include <stdbool.h>
#include "nrf_log_types.h"
#include "nrf_log_ctrl_internal.h"
#include "nrf_log_backend_interface.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Timestamp function prototype.
*
* @return Timestamp value.
*/
typedef uint32_t (*nrf_log_timestamp_func_t)(void);
/**@brief Macro for initializing the logs.
*
* Macro has one or two parameters. First parameter (obligatory) is the timestamp function (@ref nrf_log_timestamp_func_t).
* Additionally, as the second parameter timestamp frequency in Hz can be provided. If not provided then default
* frequency is used (@ref NRF_LOG_TIMESTAMP_DEFAULT_FREQUENCY). Frequency is used to format timestamp prefix if
* @ref NRF_LOG_STR_FORMATTER_TIMESTAMP_FORMAT_ENABLED is set.
*
* @return NRF_SUCCESS after successful initialization, otherwise an error code.
*/
#define NRF_LOG_INIT(...) NRF_LOG_INTERNAL_INIT(__VA_ARGS__)
/**@brief Macro for processing a single log entry from a queue of deferred logs.
*
* You can call this macro from the main context or from the error handler to process
* log entries one by one.
*
* @note If logs are not deferred, this call has no use and is defined as 'false'.
*
* @retval true There are more logs to process in the buffer.
* @retval false No more logs in the buffer.
*/
#define NRF_LOG_PROCESS() NRF_LOG_INTERNAL_PROCESS()
/** @brief Macro for processing all log entries from the buffer.
* It blocks until all buffered entries are processed by the backend.
*
* @note If logs are not deferred, this call has no use and is empty.
*/
#define NRF_LOG_FLUSH() NRF_LOG_INTERNAL_FLUSH()
/** @brief Macro for flushing log data before reset.
*
* @note If logs are not deferred, this call has no use and is empty.
*
* @note If RTT is used, then a breakpoint is hit once flushed.
*/
#define NRF_LOG_FINAL_FLUSH() NRF_LOG_INTERNAL_FINAL_FLUSH()
/**
* @brief Function for initializing the frontend and the default backend.
*
* @ref NRF_LOG_INIT calls this function to initialize the frontend and the backend.
* If custom backend is used, then @ref NRF_LOG_INIT should not be called.
* Instead, frontend and user backend should be verbosely initialized.
*
* @param timestamp_func Function for getting a 32-bit timestamp.
* @param timestamp_freq Frequency of the timestamp.
*
* @return Error status.
*
*/
ret_code_t nrf_log_init(nrf_log_timestamp_func_t timestamp_func, uint32_t timestamp_freq);
/**
* @brief Function for adding new backend interface to the logger.
*
* @param p_backend Pointer to the backend interface.
* @param severity Initial value of severity level for each module forwarded to the backend. This
* option is only applicable if @ref NRF_LOG_FILTERS_ENABLED is set.
* @return -1 if backend cannot be added or positive number (backend ID).
*/
int32_t nrf_log_backend_add(nrf_log_backend_t const * p_backend, nrf_log_severity_t severity);
/**
* @brief Function for removing backend from the logger.
*
* @param p_backend Pointer to the backend interface.
*
*/
void nrf_log_backend_remove(nrf_log_backend_t const * p_backend);
/**
* @brief Function for setting logger backends into panic mode.
*
* When this function is called all attached backends are informed about panic state of the system.
* It is up to the backend to react properly (hold or process logs in blocking mode, etc.)
*/
void nrf_log_panic(void);
/**
* @brief Function for handling a single log entry.
*
* Use this function only if the logs are buffered. It takes a single entry from the
* buffer and attempts to process it.
*
* @retval true If there are more entries to process.
* @retval false If there are no more entries to process.
*/
bool nrf_log_frontend_dequeue(void);
/**
* @brief Function for getting number of independent log modules registered into the logger.
*
* @return Number of registered modules.
*/
uint32_t nrf_log_module_cnt_get(void);
/**
* @brief Function for getting module name.
*
* @param module_id Module ID.
* @param is_ordered_idx Module ID is given is index in alphabetically sorted list of modules.
* @return Pointer to string with module name.
*/
const char * nrf_log_module_name_get(uint32_t module_id, bool is_ordered_idx);
/**
* @brief Function for getting coloring of specific logs.
*
* @param module_id Module ID.
* @param severity Log severity.
*
* @return ID of the color.
*/
uint8_t nrf_log_color_id_get(uint32_t module_id, nrf_log_severity_t severity);
/**
* @brief Function for configuring filtering ofs logs in the module.
*
* Filtering of logs in modules is independent for each backend.
*
* @param backend_id Backend ID which want to chenge its configuration.
* @param module_id Module ID which logs will be reconfigured.
* @param severity New severity filter.
*/
void nrf_log_module_filter_set(uint32_t backend_id,
uint32_t module_id,
nrf_log_severity_t severity);
/**
* @brief Function for getting module severity level.
*
* @param backend_id Backend ID.
* @param module_id Module ID.
* @param is_ordered_idx Module ID is given is index in alphabetically sorted list of modules.
* @param dynamic It true current filter for given backend is returned. If false then
* compiled-in level is returned (maximum available). If this parameter is
* false then backend_id parameter is not used.
*
* @return Severity.
*/
nrf_log_severity_t nrf_log_module_filter_get(uint32_t backend_id,
uint32_t module_id,
bool is_ordered_idx,
bool dynamic);
/**
* @brief Function stores current filtering configuration into non-volatile memory using @ref fds module.
*
* @return NRF_SUCCESS or @ref fds error code.
*/
ret_code_t nrf_log_config_store(void);
/**
* @brief Function loads configuration from non-volatile memory using @ref fds module.
*
* @retval NRF_SUCCESS On successful loading.
* @retval NRF_ERROR_NOT_FOUND Configuration file not found.
* @retval NRF_ERROR_INTERNAL Other @ref fds error on reading configuration file.
*/
ret_code_t nrf_log_config_load(void);
#ifdef __cplusplus
}
#endif
#endif // NRF_LOG_CTRL_H
/**
*@}
**/