hexdump.h

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/*******************************************************************************
 *
 * Copyright (c) 2009-2010 Philipp Werner <philipp.werner@st.ovgu.de>
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#ifndef __HEXDUMP_H_A5111E31A8FD0B__
#define __HEXDUMP_H_A5111E31A8FD0B__

#include "debug.h"

namespace famouso {
    namespace mw {
        namespace afp {
            namespace shared {

                static uint8_t hexdump_get_hex_nibble(uint8_t c) {
                    return c + (c < 10 ? '0' : 'a' - 10);
                }

                static void hexdump(const uint8_t * d, unsigned int l) {
                    const unsigned int per_line = 8;
                    unsigned int lines = l / per_line + (l % per_line == 0 ? 0 : 1);

                    for (unsigned int line = 0; line < lines; line++) {
                        ::logging::log::emit() << ::logging::log::tab;
                        for (unsigned int i = line * per_line; i < (line + 1) * per_line; i++) {
                            if (i >= l) {
                                for (int a = (line + 1) * per_line - i - 1; a >= 0; a--)
                                    ::logging::log::emit() << PROGMEMSTRING("   ");
                                break;
                            }
                            ::logging::log::emit() << ' '
                                << hexdump_get_hex_nibble(d[i] >> 4)
                                << hexdump_get_hex_nibble(d[i] & 0xf);
                        }
                        ::logging::log::emit() << PROGMEMSTRING("   |   ");
                        for (unsigned int i = line * per_line; i < (line + 1) * per_line && i < l; i++) {
                            char show = (d[i] >= 32 && d[i] < 127 ? d[i] : '?');
                            ::logging::log::emit() << show;
                        }
                        ::logging::log::emit() << ::logging::log::endl;
                    }
                }


            } //namespace shared
        } // namespace afp
    } // namespace mw
} // namespace famouso


#endif // __HEXDUMP_H_A5111E31A8FD0B__