PN532 Driver library This library provides an abstract API to drive the pn532 nfc chip, with I2C/HSU/SPI interface. Its based on the Seeed Studio's Arduino version.

Dependents:   PN532_ReadUid Nfctest2

Revision:
1:b5922b3b3257
Parent:
0:db8030e71f55
--- a/PN532/examples/mifareclassic_memdump/mifareclassic_memdump.pde	Tue Sep 13 06:01:19 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,157 +0,0 @@
-/**************************************************************************/
-/*!
-    This example attempts to dump the contents of a Mifare Classic 1K card
-
-    Note that you need the baud rate to be 115200 because we need to print
-    out the data and read from the card at the same time!
-
-    To enable debug message, define DEBUG in PN532/PN532_debug.h
-*/
-/**************************************************************************/
-
-#include <SPI.h>
-#include <PN532_SPI.h>
-#include "PN532.h"
-
-PN532_SPI pn532spi(SPI, 10);
-PN532 nfc(pn532spi);
-
-void setup(void) {
-  // has to be fast to dump the entire memory contents!
-  Serial.begin(115200);
-  Serial.println("Looking for PN532...");
-
-  nfc.begin();
-
-  uint32_t versiondata = nfc.getFirmwareVersion();
-  if (! versiondata) {
-    Serial.print("Didn't find PN53x board");
-    while (1); // halt
-  }
-  // Got ok data, print it out!
-  Serial.print("Found chip PN5"); Serial.println((versiondata>>24) & 0xFF, HEX);
-  Serial.print("Firmware ver. "); Serial.print((versiondata>>16) & 0xFF, DEC);
-  Serial.print('.'); Serial.println((versiondata>>8) & 0xFF, DEC);
-
-  // configure board to read RFID tags
-  nfc.SAMConfig();
-
-  Serial.println("Waiting for an ISO14443A Card ...");
-}
-
-
-void loop(void) {
-  uint8_t success;                          // Flag to check if there was an error with the PN532
-  uint8_t uid[] = { 0, 0, 0, 0, 0, 0, 0 };  // Buffer to store the returned UID
-  uint8_t uidLength;                        // Length of the UID (4 or 7 bytes depending on ISO14443A card type)
-  uint8_t currentblock;                     // Counter to keep track of which block we're on
-  bool authenticated = false;               // Flag to indicate if the sector is authenticated
-  uint8_t data[16];                         // Array to store block data during reads
-
-  // Keyb on NDEF and Mifare Classic should be the same
-  uint8_t keyuniversal[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
-
-  // Wait for an ISO14443A type cards (Mifare, etc.).  When one is found
-  // 'uid' will be populated with the UID, and uidLength will indicate
-  // if the uid is 4 bytes (Mifare Classic) or 7 bytes (Mifare Ultralight)
-  success = nfc.readPassiveTargetID(PN532_MIFARE_ISO14443A, uid, &uidLength);
-
-  if (success) {
-    // Display some basic information about the card
-    Serial.println("Found an ISO14443A card");
-    Serial.print("  UID Length: ");Serial.print(uidLength, DEC);Serial.println(" bytes");
-    Serial.print("  UID Value: ");
-    for (uint8_t i = 0; i < uidLength; i++) {
-      Serial.print(uid[i], HEX);
-      Serial.print(' ');
-    }
-    Serial.println("");
-
-    if (uidLength == 4)
-    {
-      // We probably have a Mifare Classic card ...
-      Serial.println("Seems to be a Mifare Classic card (4 byte UID)");
-
-      // Now we try to go through all 16 sectors (each having 4 blocks)
-      // authenticating each sector, and then dumping the blocks
-      for (currentblock = 0; currentblock < 64; currentblock++)
-      {
-        // Check if this is a new block so that we can reauthenticate
-        if (nfc.mifareclassic_IsFirstBlock(currentblock)) authenticated = false;
-
-        // If the sector hasn't been authenticated, do so first
-        if (!authenticated)
-        {
-          // Starting of a new sector ... try to to authenticate
-          Serial.print("------------------------Sector ");Serial.print(currentblock/4, DEC);Serial.println("-------------------------");
-          if (currentblock == 0)
-          {
-              // This will be 0xFF 0xFF 0xFF 0xFF 0xFF 0xFF for Mifare Classic (non-NDEF!)
-              // or 0xA0 0xA1 0xA2 0xA3 0xA4 0xA5 for NDEF formatted cards using key a,
-              // but keyb should be the same for both (0xFF 0xFF 0xFF 0xFF 0xFF 0xFF)
-              success = nfc.mifareclassic_AuthenticateBlock (uid, uidLength, currentblock, 1, keyuniversal);
-          }
-          else
-          {
-              // This will be 0xFF 0xFF 0xFF 0xFF 0xFF 0xFF for Mifare Classic (non-NDEF!)
-              // or 0xD3 0xF7 0xD3 0xF7 0xD3 0xF7 for NDEF formatted cards using key a,
-              // but keyb should be the same for both (0xFF 0xFF 0xFF 0xFF 0xFF 0xFF)
-              success = nfc.mifareclassic_AuthenticateBlock (uid, uidLength, currentblock, 1, keyuniversal);
-          }
-          if (success)
-          {
-            authenticated = true;
-          }
-          else
-          {
-            Serial.println("Authentication error");
-          }
-        }
-        // If we're still not authenticated just skip the block
-        if (!authenticated)
-        {
-          Serial.print("Block ");Serial.print(currentblock, DEC);Serial.println(" unable to authenticate");
-        }
-        else
-        {
-          // Authenticated ... we should be able to read the block now
-          // Dump the data into the 'data' array
-          success = nfc.mifareclassic_ReadDataBlock(currentblock, data);
-          if (success)
-          {
-            // Read successful
-            Serial.print("Block ");Serial.print(currentblock, DEC);
-            if (currentblock < 10)
-            {
-              Serial.print("  ");
-            }
-            else
-            {
-              Serial.print(" ");
-            }
-            // Dump the raw data
-            nfc.PrintHexChar(data, 16);
-          }
-          else
-          {
-            // Oops ... something happened
-            Serial.print("Block ");Serial.print(currentblock, DEC);
-            Serial.println(" unable to read this block");
-          }
-        }
-      }
-    }
-    else
-    {
-      Serial.println("Ooops ... this doesn't seem to be a Mifare Classic card!");
-    }
-  }
-  // Wait a bit before trying again
-  Serial.println("\n\nSend a character to run the mem dumper again!");
-  Serial.flush();
-  while (!Serial.available());
-  while (Serial.available()) {
-  Serial.read();
-  }
-  Serial.flush();
-}
\ No newline at end of file