tools/examples/sensors/pn532/MifareUltralight_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   pn532_error_t error;
  77   byte_t        abtBuffer[8];
  78   size_t        szUIDLen;
  79
  80   while(1)
  81   {
  82     printf("Please insert a Mifare Ultralight card%s", CFG_PRINTF_NEWLINE);
  83
  84     // Try to do a memory dump of a Mifare Ultralight card
  85     // First wait for a card to arrive (will wake the PN532 if required)
  86     error = pn532_mifareultralight_WaitForPassiveTarget(abtBuffer, &szUIDLen);
  87     if (error)
  88     {
  89       switch (error)
  90       {
  91         case PN532_ERROR_WRONGCARDTYPE:
  92           printf("Not a Mifare Ultralight card%s", CFG_PRINTF_NEWLINE);
  93           break;
  94         default:
  95           printf("Error establishing passive connection (0x%02x)%s", error, CFG_PRINTF_NEWLINE);
  96           break;
  97       }
  98     }
  99     else
 100     {
 101       // Display the card's UID (normally 7 bytes long)
 102       printf("UID: ");
 103       pn532PrintHex(abtBuffer, szUIDLen);
 104       printf("%s", CFG_PRINTF_NEWLINE);
 105       printf("Page  Hex       Text%s", CFG_PRINTF_NEWLINE);
 106       printf("----  --------  ----%s", CFG_PRINTF_NEWLINE);
 107       // Dump the memory contents page by page
 108       uint8_t i;
 109       for (i = 0; i < 16; i++)
 110       {
 111         // Try to read the current page
 112         error = pn532_mifareultralight_ReadPage(i, abtBuffer);
 113         if (!error)
 114         {
 115           printf("0x%02x  ", i);
 116           pn532PrintHexChar(abtBuffer, 4);
 117         }
 118       }
 119     }
 120     // Wait a bit before trying again
 121     printf("%s", CFG_PRINTF_NEWLINE);
 122     systickDelay(2000);
 123   }
 124 }