tools/examples/sensors/pn532/MifareClassic_MemDump/main.c

   1 /**************************************************************************/
   2 /*!
   3     @file     main.c
   4     @author   K. Townsend (microBuilder.eu)
   5
   6     @section LICENSE
   7
   8     Software License Agreement (BSD License)
   9
  10     Copyright (c) 2010, microBuilder SARL
  11     All rights reserved.
  12
  13     Redistribution and use in source and binary forms, with or without
  14     modification, are permitted provided that the following conditions are met:
  15     1. Redistributions of source code must retain the above copyright
  16     notice, this list of conditions and the following disclaimer.
  17     2. Redistributions in binary form must reproduce the above copyright
  18     notice, this list of conditions and the following disclaimer in the
  19     documentation and/or other materials provided with the distribution.
  20     3. Neither the name of the copyright holders nor the
  21     names of its contributors may be used to endorse or promote products
  22     derived from this software without specific prior written permission.
  23
  24     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
  25     EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  26     WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  27     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
  28     DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  29     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  30     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  31     ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  32     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  33     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34 */
  35 /**************************************************************************/
  36 #include <stdio.h>
  37
  38 #include "projectconfig.h"
  39 #include "sysinit.h"
  40
  41 #include "core/i2c/i2c.h"
  42 #include "drivers/rf/pn532/pn532.h"
  43 #include "drivers/rf/pn532/pn532_bus.h"
  44 #include "drivers/rf/pn532/helpers/pn532_mifare_classic.h"
  45 #include "drivers/rf/pn532/helpers/pn532_mifare_ultralight.h"
  46
  47 /**************************************************************************/
  48 /*!
  49     Main program entry point.  After reset, normal code execution will
  50     begin here.
  51
  52     Note: CFG_INTERFACE is normally enabled by default.  If you wish to
  53           enable the blinking LED code in main, you will need to open
  54           projectconfig.h, comment out "#define CFG_INTERFACE" and
  55           rebuild the project.
  56 */
  57 /**************************************************************************/
  58 int main (void)
  59 {
  60   #ifdef CFG_INTERFACE
  61     //#error "CFG_INTERFACE must be disabled in projectconfig.h for this demo"
  62   #endif
  63   #if !defined CFG_PRINTF_USBCDC
  64     #error "CFG_PRINTF_USBCDC must be enabled in projectconfig.h for this demo"
  65   #endif
  66
  67   // Configure cpu and mandatory peripherals
  68   systemInit();
  69
  70   // Wait a bit for someone to open the USB connection for printf
  71   systickDelay(2000);
  72
  73   // Initialise the PN532
  74   pn532Init();
  75
  76   // To dump an NDEF formatted Mifare Classic Card (formatted using NXP TagWriter on Android
  77   // for example), you must use the following authentication keys:
  78   //
  79   //    Sector 0:       0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5
  80   //    Sectors 1..15:  0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7
  81   //
  82   // For more information on NDEF see the following document:
  83   //
  84   //    AN1305 - MIFARE Classic as NFC Type MIFARE Classic Tag
  85   //    http://www.nxp.com/documents/application_note/AN1305.pdf
  86
  87   // Set this to one for NDEF cards, or 0 for blank factory default cards
  88   #define CARDFORMAT_NDEF (0)
  89
  90   pn532_error_t error;
  91   byte_t abtUID[8];
  92   byte_t abtBlock[32];
  93   #if CARDFORMAT_NDEF == 1
  94   byte_t abtAuthKey1[6] = { 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5 };   // Sector 0 of NXP formatter NDEF cards
  95   byte_t abtAuthKey2[6] = { 0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7 };   // All other sectors use standard key (AN1305 p.20, Table 6)
  96   #else
  97   byte_t abtAuthKey1[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
  98   byte_t abtAuthKey2[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
  99   #endif
 100   size_t szUIDLen;
 101
 102   // Use the MIFARE Classic Helper to read/write to the tag's EEPROM storage
 103   while(1)
 104   {
 105     printf("Please insert a Mifare Classic 1K or 4K card%s%s", CFG_PRINTF_NEWLINE, CFG_PRINTF_NEWLINE);
 106
 107     // Wait for any ISO14443A card
 108     error = pn532_mifareclassic_WaitForPassiveTarget(abtUID, &szUIDLen);
 109     if (!error)
 110     {
 111       // Mifare classic card found ... cycle through each sector
 112       uint8_t block;
 113       bool authenticated = false;
 114       for (block = 0; block < 64; block++)
 115       {
 116         // Check if this is a new block so that we can reauthenticate
 117         if (is_first_block(block)) authenticated = false;
 118         if (!authenticated)
 119         {
 120           // Start of a new sector ... try to to authenticate
 121           printf("-------------------------Sector %02d--------------------------%s", block / 4, CFG_PRINTF_NEWLINE);
 122           error = pn532_mifareclassic_AuthenticateBlock (abtUID, szUIDLen, block, PN532_MIFARE_CMD_AUTH_A, block / 4 ? abtAuthKey2 : abtAuthKey1);
 123           if (error)
 124           {
 125             switch(error)
 126             {
 127               default:
 128                 printf("Authentication error (0x%02x)%s", error, CFG_PRINTF_NEWLINE);
 129                 break;
 130             }
 131           }
 132           else
 133           {
 134             authenticated = true;
 135           }
 136         }
 137         // If we're still not authenticated just skip the block
 138         if (!authenticated)
 139         {
 140           printf("Block %02d: ", block);
 141           printf("Unable to authenticate%s", CFG_PRINTF_NEWLINE);
 142         }
 143         else
 144         {
 145           // Authenticated ... we should be able to read the block now
 146           error = pn532_mifareclassic_ReadDataBlock (block, abtBlock);
 147           if (error)
 148           {
 149             switch(error)
 150             {
 151               default:
 152                 printf("Block %02d: ", block);
 153                 printf("Unable to read this block%s", CFG_PRINTF_NEWLINE);
 154                 break;
 155             }
 156           }
 157           else
 158           {
 159             // Read successful
 160             printf("Block %02d: ", block);
 161             pn532PrintHexChar(abtBlock, 16);
 162           }
 163         }
 164       }
 165     }
 166     else
 167     {
 168       switch (error)
 169       {
 170         case PN532_ERROR_WRONGCARDTYPE:
 171           printf("Not a Mifare Classic 1K or 4K card%s", CFG_PRINTF_NEWLINE);
 172           break;
 173         default:
 174           printf("Error establishing passive connection (0x%02x)%s", error, CFG_PRINTF_NEWLINE);
 175           break;
 176       }
 177     }
 178
 179     // Wait a bit before trying again
 180     systickDelay(2000);
 181   }
 182 }