99 lines
2.2 KiB
C
99 lines
2.2 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 <zephyr/logging/log_backend.h>
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#include <zephyr/logging/log_backend_std.h>
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#include <zephyr/logging/log_core.h>
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#include <zephyr/logging/log_output.h>
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#include <zephyr/irq.h>
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#include <zephyr/arch/posix/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 uint32_t log_format_current = CONFIG_LOG_BACKEND_NATIVE_POSIX_OUTPUT_DEFAULT;
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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 uint8_t buf[_STDOUT_BUF_SIZE];
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static int char_out(uint8_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_posix, char_out, buf, sizeof(buf));
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static void panic(struct log_backend const *const backend)
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{
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log_output_flush(&log_output_posix);
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}
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static void dropped(const struct log_backend *const backend, uint32_t cnt)
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{
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ARG_UNUSED(backend);
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log_output_dropped_process(&log_output_posix, cnt);
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}
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static void process(const struct log_backend *const backend,
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union log_msg_generic *msg)
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{
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uint32_t flags = log_backend_std_get_flags();
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log_format_func_t log_output_func = log_format_func_t_get(log_format_current);
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log_output_func(&log_output_posix, &msg->log, flags);
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}
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static int format_set(const struct log_backend *const backend, uint32_t log_type)
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{
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log_format_current = log_type;
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return 0;
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}
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const struct log_backend_api log_backend_native_posix_api = {
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.process = process,
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.panic = panic,
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.dropped = IS_ENABLED(CONFIG_LOG_MODE_IMMEDIATE) ? NULL : dropped,
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.format_set = format_set,
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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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