95 lines
1.8 KiB
C
95 lines
1.8 KiB
C
/*
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* Copyright (c) 2018 Nordic Semiconductor ASA
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* Copyright (c) 2018 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdio.h>
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#include <stddef.h>
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#include <logging/log_backend.h>
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#include <logging/log_core.h>
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#include <logging/log_msg.h>
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#include <logging/log_output.h>
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#include "posix_trace.h"
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#define _STDOUT_BUF_SIZE 256
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static char stdout_buff[_STDOUT_BUF_SIZE];
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static int n_pend; /* Number of pending characters in buffer */
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static void preprint_char(int c)
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{
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int printnow = 0;
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if (c == '\r') {
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/* Discard carriage returns */
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return;
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}
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if (c != '\n') {
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stdout_buff[n_pend++] = c;
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stdout_buff[n_pend] = 0;
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} else {
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printnow = 1;
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}
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if (n_pend >= _STDOUT_BUF_SIZE - 1) {
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printnow = 1;
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}
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if (printnow) {
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posix_print_trace("%s\n", stdout_buff);
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n_pend = 0;
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stdout_buff[0] = 0;
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}
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}
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static u8_t buf[_STDOUT_BUF_SIZE];
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static int char_out(u8_t *data, size_t length, void *ctx)
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{
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for (size_t i = 0; i < length; i++) {
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preprint_char(data[i]);
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}
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return length;
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}
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LOG_OUTPUT_DEFINE(log_output, char_out, buf, sizeof(buf));
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static void put(const struct log_backend *const backend,
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struct log_msg *msg)
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{
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log_msg_get(msg);
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u32_t flags = LOG_OUTPUT_FLAG_LEVEL | LOG_OUTPUT_FLAG_TIMESTAMP;
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if (IS_ENABLED(CONFIG_LOG_BACKEND_SHOW_COLOR)) {
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if (posix_trace_over_tty(0)) {
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flags |= LOG_OUTPUT_FLAG_COLORS;
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}
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}
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if (IS_ENABLED(CONFIG_LOG_BACKEND_FORMAT_TIMESTAMP)) {
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flags |= LOG_OUTPUT_FLAG_FORMAT_TIMESTAMP;
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}
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log_output_msg_process(&log_output, msg, flags);
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log_msg_put(msg);
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}
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static void panic(struct log_backend const *const backend)
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{
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/* Nothing to be done, this backend can always process logs */
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}
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const struct log_backend_api log_backend_native_posix_api = {
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.put = put,
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.panic = panic,
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};
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LOG_BACKEND_DEFINE(log_backend_native_posix,
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log_backend_native_posix_api,
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true);
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