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