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xiaozhengsheng
258
components/libraries/log/src/nrf_log_str_formatter.c
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258
components/libraries/log/src/nrf_log_str_formatter.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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#include "sdk_common.h"
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#if NRF_MODULE_ENABLED(NRF_LOG)
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#include "nrf_log_str_formatter.h"
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#include "nrf_log_internal.h"
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#include "nrf_log_ctrl.h"
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#include "nrf_fprintf.h"
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#include <ctype.h>
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#define NRF_LOG_COLOR_CODE_DEFAULT "\x1B[0m"
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#define NRF_LOG_COLOR_CODE_BLACK "\x1B[1;30m"
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#define NRF_LOG_COLOR_CODE_RED "\x1B[1;31m"
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#define NRF_LOG_COLOR_CODE_GREEN "\x1B[1;32m"
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#define NRF_LOG_COLOR_CODE_YELLOW "\x1B[1;33m"
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#define NRF_LOG_COLOR_CODE_BLUE "\x1B[1;34m"
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#define NRF_LOG_COLOR_CODE_MAGENTA "\x1B[1;35m"
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#define NRF_LOG_COLOR_CODE_CYAN "\x1B[1;36m"
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#define NRF_LOG_COLOR_CODE_WHITE "\x1B[1;37m"
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#define NRF_LOG_CHAR_CODE_MAX 0x7E
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static const char * severity_names[] = {
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NULL,
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"error",
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"warning",
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"info",
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"debug"
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};
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static const char * m_colors[] = {
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NRF_LOG_COLOR_CODE_DEFAULT,
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NRF_LOG_COLOR_CODE_BLACK,
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NRF_LOG_COLOR_CODE_RED,
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NRF_LOG_COLOR_CODE_GREEN,
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NRF_LOG_COLOR_CODE_YELLOW,
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NRF_LOG_COLOR_CODE_BLUE,
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NRF_LOG_COLOR_CODE_MAGENTA,
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NRF_LOG_COLOR_CODE_CYAN,
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NRF_LOG_COLOR_CODE_WHITE,
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};
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static uint32_t m_freq;
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static uint32_t m_timestamp_div;
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static void timestamp_print(nrf_fprintf_ctx_t * p_ctx, uint32_t timestamp)
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{
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if (NRF_LOG_USES_TIMESTAMP)
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{
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if (NRF_LOG_STR_FORMATTER_TIMESTAMP_FORMAT_ENABLED)
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{
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timestamp /= m_timestamp_div;
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uint32_t seconds = timestamp/m_freq;
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uint32_t hours = seconds/3600;
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seconds -= hours * 3600;
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uint32_t mins = seconds/60;
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seconds -= mins * 60;
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uint32_t reminder = timestamp % m_freq;
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uint32_t ms = (reminder * 1000)/m_freq;
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uint32_t us = (1000*(1000*reminder - (ms * m_freq)))/m_freq;
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nrf_fprintf(p_ctx, "[%02d:%02d:%02d.%03d,%03d] ", hours, mins, seconds, ms, us);
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}
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else
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{
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nrf_fprintf(p_ctx, "[%08lu] ", timestamp);
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}
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}
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}
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static void prefix_process(nrf_log_str_formatter_entry_params_t * p_params,
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nrf_fprintf_ctx_t * p_ctx)
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{
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if (p_params->dropped)
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{
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nrf_fprintf(p_ctx,
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"%sLogs dropped (%d)%s\r\n",
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NRF_LOG_COLOR_CODE_RED,
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p_params->dropped,
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NRF_LOG_COLOR_CODE_DEFAULT);
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}
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if (!(p_params->severity == NRF_LOG_SEVERITY_INFO_RAW))
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{
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if (p_params->use_colors)
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{
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nrf_fprintf(p_ctx, "%s",
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m_colors[nrf_log_color_id_get( p_params->module_id, p_params->severity)]);
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}
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timestamp_print(p_ctx, p_params->timestamp);
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nrf_fprintf(p_ctx, "<%s> %s: ",
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severity_names[p_params->severity], nrf_log_module_name_get(p_params->module_id, false));
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}
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}
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static void postfix_process(nrf_log_str_formatter_entry_params_t * p_params,
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nrf_fprintf_ctx_t * p_ctx,
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bool newline)
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{
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if (!(p_params->severity == NRF_LOG_SEVERITY_INFO_RAW))
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{
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if (p_params->use_colors)
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{
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nrf_fprintf(p_ctx, "%s", m_colors[0]);
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}
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nrf_fprintf(p_ctx, "\r\n");
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}
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else if (newline)
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{
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nrf_fprintf(p_ctx, "\r\n");
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}
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nrf_fprintf_buffer_flush(p_ctx);
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}
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void nrf_log_std_entry_process(char const * p_str,
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uint32_t const * p_args,
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uint32_t nargs,
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nrf_log_str_formatter_entry_params_t * p_params,
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nrf_fprintf_ctx_t * p_ctx)
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{
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bool auto_flush = p_ctx->auto_flush;
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p_ctx->auto_flush = false;
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prefix_process(p_params, p_ctx);
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switch (nargs)
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{
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case 0:
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nrf_fprintf(p_ctx, p_str);
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break;
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case 1:
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nrf_fprintf(p_ctx, p_str, p_args[0]);
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break;
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case 2:
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nrf_fprintf(p_ctx, p_str, p_args[0], p_args[1]);
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break;
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case 3:
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nrf_fprintf(p_ctx, p_str, p_args[0], p_args[1], p_args[2]);
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break;
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case 4:
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nrf_fprintf(p_ctx, p_str, p_args[0], p_args[1], p_args[2], p_args[3]);
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break;
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case 5:
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nrf_fprintf(p_ctx, p_str, p_args[0], p_args[1], p_args[2], p_args[3], p_args[4]);
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break;
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case 6:
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nrf_fprintf(p_ctx, p_str, p_args[0], p_args[1], p_args[2], p_args[3], p_args[4], p_args[5]);
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break;
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default:
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break;
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}
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postfix_process(p_params, p_ctx, false);
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p_ctx->auto_flush = auto_flush;
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}
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#define HEXDUMP_BYTES_IN_LINE 8
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void nrf_log_hexdump_entry_process(uint8_t * p_data,
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uint32_t data_len,
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nrf_log_str_formatter_entry_params_t * p_params,
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nrf_fprintf_ctx_t * p_ctx)
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{
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if (data_len > HEXDUMP_BYTES_IN_LINE)
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{
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return;
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}
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bool auto_flush = p_ctx->auto_flush;
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p_ctx->auto_flush = false;
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prefix_process(p_params, p_ctx);
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uint32_t i;
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for (i = 0; i < HEXDUMP_BYTES_IN_LINE; i++)
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{
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if (i < data_len)
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{
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nrf_fprintf(p_ctx, " %02x", p_data[i]);
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}
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else
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{
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nrf_fprintf(p_ctx, " ");
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}
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}
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nrf_fprintf(p_ctx, "|");
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for (i = 0; i < HEXDUMP_BYTES_IN_LINE; i++)
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{
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if (i < data_len)
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{
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char c = (char)p_data[i];
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nrf_fprintf(p_ctx, "%c", ((c <= NRF_LOG_CHAR_CODE_MAX) && isprint((int)c)) ? c :'.');
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}
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else
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{
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nrf_fprintf(p_ctx, " ");
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}
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}
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postfix_process(p_params, p_ctx, true);
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p_ctx->auto_flush = auto_flush;
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}
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void nrf_log_str_formatter_timestamp_freq_set(uint32_t freq)
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{
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m_timestamp_div = 1;
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/* There is no point to have frequency higher than 1MHz (ns are not printed) and too high
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* frequency leads to overflows in calculations.
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*/
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while (freq > 1000000)
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{
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freq /= 2;
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m_timestamp_div *= 2;
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}
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m_freq = freq;
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}
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#endif //NRF_LOG_ENABLED
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