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/*
* Copyright (c) 2016 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#define SYS_LOG_DOMAIN "sample-unified"
#include <zephyr.h>
#include <misc/printk.h>
#include <logging/sys_log.h>
#include <stdio.h>
#include <misc/ring_buffer.h>
#define LOG_BUF_SIZE (512)
/**
* @file
* @brief using logger hook demo
* unified version of logger hook usage demo
*/
uint32_t logger_buffer[LOG_BUF_SIZE];
struct log_cbuffer {
struct ring_buf ring_buffer;
} log_cbuffer;
static inline void ring_buf_print(struct ring_buf *buf);
int logger_put(struct log_cbuffer *logger, char *data, uint32_t data_size)
{
int ret;
ret = sys_ring_buf_put(&logger->ring_buffer, 0, 0,
(uint32_t *)data, data_size);
return ret;
}
void vlog_cbuf_put(const char *format, va_list args)
{
char buf[512];
int buf_size = 0;
buf_size += vsnprintf(&buf[buf_size], sizeof(buf), format, args);
logger_put(&log_cbuffer, buf, buf_size);
}
void log_cbuf_put(const char *format, ...)
{
va_list args;
va_start(args, format);
vlog_cbuf_put(format, args);
va_end(args);
}
void main(void)
{
#ifndef CONFIG_SYS_LOG
printk("syslog hook sample configuration is not set correctly %s\n",
CONFIG_ARCH);
#else
sys_ring_buf_init(&log_cbuffer.ring_buffer, LOG_BUF_SIZE,
logger_buffer);
syslog_hook_install(log_cbuf_put);
SYS_LOG_ERR("SYS LOG ERR is ACTIVE");
ring_buf_print(&log_cbuffer.ring_buffer);
SYS_LOG_WRN("SYS LOG WRN is ACTIVE");
ring_buf_print(&log_cbuffer.ring_buffer);
SYS_LOG_INF("SYS LOG INF is ACTIVE");
ring_buf_print(&log_cbuffer.ring_buffer);
#endif
}
static inline void ring_buf_print(struct ring_buf *buf)
{
uint8_t data[512];
int ret = 1;
int count = 0;
uint8_t size = 0;
while (ret != 0 && count < 2) {
count++;
ret = sys_ring_buf_get(&log_cbuffer.ring_buffer, 0, 0,
(uint32_t *)data, &size);
}
if (ret == 0) {
printk("%s", data);
} else {
printk("Error when reading ring buffer\n");
}
}
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