zephyr/subsys/logging/log_minimal.c

69 lines
1.3 KiB
C

/*
* Copyright (c) 2019 Intel Corporation.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/sys/printk.h>
#include <ctype.h>
#include <zephyr/logging/log.h>
#include <zephyr/sys/printk.h>
#include <zephyr/llext/symbol.h>
#define HEXDUMP_BYTES_IN_LINE 8U
void z_log_minimal_printk(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vprintk(fmt, ap);
va_end(ap);
}
EXPORT_SYMBOL(z_log_minimal_printk);
void z_log_minimal_vprintk(const char *fmt, va_list ap)
{
vprintk(fmt, ap);
}
static void minimal_hexdump_line_print(const char *data, size_t length)
{
for (size_t i = 0U; i < HEXDUMP_BYTES_IN_LINE; i++) {
if (i < length) {
printk("%02x ", (unsigned char)data[i] & 0xFFu);
} else {
printk(" ");
}
}
printk("|");
for (size_t i = 0U; i < HEXDUMP_BYTES_IN_LINE; i++) {
if (i < length) {
unsigned char c = data[i];
printk("%c", (isprint((int)c) != 0) ? c : '.');
} else {
printk(" ");
}
}
printk("\n");
}
void z_log_minimal_hexdump_print(int level, const void *data, size_t size)
{
const char *data_buffer = (const char *)data;
while (size > 0U) {
printk("%c: ", z_log_minimal_level_to_char(level));
minimal_hexdump_line_print(data_buffer, size);
if (size < HEXDUMP_BYTES_IN_LINE) {
break;
}
size -= HEXDUMP_BYTES_IN_LINE;
data_buffer += HEXDUMP_BYTES_IN_LINE;
}
}