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.

19 lines
431 B

/* See LICENSE of license details. */
#include <stdint.h>
#include <unistd.h>
void write_hex(int fd, unsigned long int hex)
{
uint8_t ii;
uint8_t jj;
char towrite;
write(fd , "0x", 2);
for (ii = sizeof(unsigned long int) * 2 ; ii > 0; ii--) {
jj = ii - 1;
uint8_t digit = ((hex & (0xF << (jj*4))) >> (jj*4));
towrite = digit < 0xA ? ('0' + digit) : ('A' + (digit - 0xA));
write(fd, &towrite, 1);
}
}