debugDumpHexBytes.c

/// Debug dump bytes in hexadecimal format 16-bytes per row
///
/// \param source
/// \param length
///
/// Example Output:
/// \code
///    ------------------------
///    0000  bd 7a 32 13 08 1c 1e d9  -  c9 48 48 0b 5f 23 1a f5
///    0010  72 3d 8f 7a e6 2c 07 e4  -  6e 45 79 0f cb 18 13 6f
///    ------------------------
/// \endcode
void debugDumpHexBytes(const char* source, int length)
{
    printf("------------------------\n");

    int offset = 0;
    int row = 0;
    char line[256];
    while(length > offset )
    {
        sprintf(line, "%04x  ", offset);

        for(int i = 0; i < 16; ++i)
        {
            if(8 == i)
            {
                strcat(line, " -  ");
            }
            uint8_t value = source[offset++];
            char valueString[8];
            sprintf(valueString, "%02x  ", value);
            strcat(line, valueString);

            if(length == offset)
            {
                break;
            }
        }
        printf("%s\n", line);
        ++row;
    }
    printf("........................\n");
}