/* 
 debug.cpp - debug helper functions
 Copyright (c) 2015 Markus Sattler. All rights reserved.
 This file is part of the esp8266 core for Arduino environment.
 
 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.

 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include "Arduino.h"
#include "debug.h"

void ICACHE_RAM_ATTR hexdump(const void *mem, uint32_t len, uint8_t cols) {
    const uint8_t* src = (const uint8_t*) mem;
    os_printf("\n[HEXDUMP] Address: 0x%08X len: 0x%X (%d)", (ptrdiff_t)src, len, len);
    for(uint32_t i = 0; i < len; i++) {
        if(i % cols == 0) {
            os_printf("\n[0x%08X] 0x%08X: ", (ptrdiff_t)src, i);
        	yield();
        }
        os_printf("%02X ", *src);
        src++;
    }
    os_printf("\n");
}
