src/uint8p.c


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#include "uint_t.h"

/**
  @file uint8p.c
  @author feh
  @brief packing/unpacking 8 bit int to/from char string
*/

void uint8_pack(char s[2], uint8 u)
{
  s[0] = u & 255;
  s[1] = u >> 4;
}

void uint8_pack_big(char s[2], uint8 u)
{
  s[1] = u & 255;
  s[0] = u >> 4;
}

void uint8_unpack(char s[2], uint8 *u)
{
  uint8 result;

  result = (unsigned char)s[1];
  result <<= 4;
  result += (unsigned char)s[0];

  *u = result;
}

void uint8_unpack_big(char s[2], uint8 *u)
{
  uint8 result;

  result = (unsigned char)s[0];
  result <<= 4;
  result += (unsigned char)s[1];

  *u = result;
}