zephyr/subsys/logging/log_minimal.c

52 lines
979 B
C

/*
* Copyright (c) 2019 Intel Corporation.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <sys/printk.h>
#include <ctype.h>
#include <logging/log.h>
#define HEXDUMP_BYTES_IN_LINE 8
static void minimal_hexdump_line_print(const char *data, size_t length)
{
for (size_t i = 0; i < HEXDUMP_BYTES_IN_LINE; i++) {
if (i < length) {
printk("%02x ", data[i] & 0xFF);
} else {
printk(" ");
}
}
printk("|");
for (size_t i = 0; i < HEXDUMP_BYTES_IN_LINE; i++) {
if (i < length) {
char c = data[i];
printk("%c", isprint((int)c) ? c : '.');
} else {
printk(" ");
}
}
printk("\n");
}
void log_minimal_hexdump_print(int level, const void *_data, size_t size)
{
const char *data = (const char *)_data;
while (size > 0) {
printk("%c: ", z_log_minimal_level_to_char(level));
minimal_hexdump_line_print(data, size);
if (size < HEXDUMP_BYTES_IN_LINE) {
break;
}
size -= HEXDUMP_BYTES_IN_LINE;
data += HEXDUMP_BYTES_IN_LINE;
}
}