You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
58 lines
1.3 KiB
58 lines
1.3 KiB
7 years ago
|
//
|
||
|
// Created by MightyPork on 2017/12/04.
|
||
|
//
|
||
|
|
||
|
#include "platform.h"
|
||
|
#include "hexdump.h"
|
||
|
|
||
|
void hexDump(const char *restrict desc, const void *restrict addr, uint32_t len)
|
||
|
{
|
||
|
uint32_t i;
|
||
|
uint8_t buff[17];
|
||
|
uint8_t *pc = (unsigned char*)addr;
|
||
|
|
||
|
// Output description if given.
|
||
|
if (desc != NULL)
|
||
|
PRINTF ("%s:\r\n", desc);
|
||
|
|
||
|
if (len == 0) {
|
||
|
PRINTF(" ZERO LENGTH\r\n");
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
// Process every byte in the data.
|
||
|
for (i = 0; i < len; i++) {
|
||
|
// Multiple of 16 means new line (with line offset).
|
||
|
|
||
|
if ((i % 16) == 0) {
|
||
|
// Just don't print ASCII for the zeroth line.
|
||
|
if (i != 0)
|
||
|
PRINTF (" %s\r\n", buff);
|
||
|
|
||
|
// Output the offset.
|
||
|
PRINTF (" %04"PRIx32" ", i);
|
||
|
}
|
||
|
|
||
|
// Now the hex code for the specific character.
|
||
|
PRINTF (" %02x", pc[i]);
|
||
|
|
||
|
// And store a printable ASCII character for later.
|
||
|
if ((pc[i] < 0x20) || (pc[i] > 0x7e))
|
||
|
buff[i % 16] = '.';
|
||
|
else
|
||
|
buff[i % 16] = pc[i];
|
||
|
buff[(i % 16) + 1] = '\0';
|
||
|
}
|
||
|
|
||
|
// Pad out last line if not exactly 16 characters.
|
||
|
while ((i % 16) != 0) {
|
||
|
PRINTF (" ");
|
||
|
i++;
|
||
|
}
|
||
|
|
||
|
// And print the final ASCII bit.
|
||
|
PRINTF (" %s\r\n", buff);
|
||
|
|
||
|
(void)buff;
|
||
|
}
|