Diff: PN532/examples/mifareclassic_updatendef/mifareclassic_updatendef.pde

Revision:

1:b5922b3b3257

Parent:

0:db8030e71f55

diff -r db8030e71f55 -r b5922b3b3257 PN532/examples/mifareclassic_updatendef/mifareclassic_updatendef.pde
--- a/PN532/examples/mifareclassic_updatendef/mifareclassic_updatendef.pde	Tue Sep 13 06:01:19 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,145 +0,0 @@
-/**************************************************************************/
-/*!
-    Updates a sector that is already formatted for NDEF (using
-    mifareclassic_formatndef.pde for example), inserting a new url
-
-    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);
-
-
-
-/*  
-    We can encode many different kinds of pointers to the card,
-    from a URL, to an Email address, to a phone number, and many more
-    check the library header .h file to see the large # of supported
-    prefixes! 
-*/
-// For a http://www. url:
-const char * url = "seeedstudio.com";
-uint8_t ndefprefix = NDEF_URIPREFIX_HTTP_WWWDOT;
-
-// for an email address
-//const char * url = "mail@example.com";
-//uint8_t ndefprefix = NDEF_URIPREFIX_MAILTO;
-
-// for a phone number
-//const char * url = "+1 212 555 1212";
-//uint8_t ndefprefix = NDEF_URIPREFIX_TEL;
-
-
-void setup(void) {
-  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();
-}
-
-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)
-  bool authenticated = false;               // Flag to indicate if the sector is authenticated
-
-  // Use the default NDEF keys (these would have have set by mifareclassic_formatndef.pde!)
-  uint8_t keya[6] = { 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5 };
-  uint8_t keyb[6] = { 0xD3, 0xF7, 0xD3, 0xF7, 0xD3, 0xF7 };
-
-  Serial.println("Place your NDEF formatted Mifare Classic card on the reader to update the");
-  Serial.println("NDEF record and press any key to continue ...");
-  // Wait for user input before proceeding
-  while (!Serial.available());
-  // a key was pressed1
-  while (Serial.available()) Serial.read();
-    
-  // Wait for an ISO14443A type card (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: ");
-    nfc.PrintHex(uid, uidLength);
-    Serial.println("");
-    
-    // Make sure this is a Mifare Classic card
-    if (uidLength != 4)
-    {
-      Serial.println("Ooops ... this doesn't seem to be a Mifare Classic card!"); 
-      return;
-    }
-    
-    // We probably have a Mifare Classic card ... 
-    Serial.println("Seems to be a Mifare Classic card (4 byte UID)");
-
-    // Check if this is an NDEF card (using first block of sector 1 from mifareclassic_formatndef.pde)
-    // Must authenticate on the first key using 0xD3 0xF7 0xD3 0xF7 0xD3 0xF7
-    success = nfc.mifareclassic_AuthenticateBlock (uid, uidLength, 4, 0, keyb);
-    if (!success)
-    {
-      Serial.println("Unable to authenticate block 4 ... is this card NDEF formatted?");
-      return;
-    }
-    
-    Serial.println("Authentication succeeded (seems to be an NDEF/NFC Forum tag) ...");
-
-    // Authenticated seems to have worked
-    // Try to write an NDEF record to sector 1
-    // Use 0x01 for the URI Identifier Code to prepend "http://www."
-    // to the url (and save some space).  For information on URI ID Codes
-    // see http://www.ladyada.net/wiki/private/articlestaging/nfc/ndef
-    if (strlen(url) > 38)
-    {
-      // The length is also checked in the WriteNDEFURI function, but lets
-      // warn users here just in case they change the value and it's bigger
-      // than it should be
-      Serial.println("URI is too long ... must be less than 38 characters!");
-      return;
-    }
-    
-    Serial.println("Updating sector 1 with URI as NDEF Message");
-    
-    // URI is within size limits ... write it to the card and report success/failure
-    success = nfc.mifareclassic_WriteNDEFURI(1, ndefprefix, url);
-    if (success)
-    {
-      Serial.println("NDEF URI Record written to sector 1");
-      Serial.println("");      
-    }
-    else
-    {
-      Serial.println("NDEF Record creation failed! :(");
-    }
-  }
-  
-  // Wait a bit before trying again
-  Serial.println("\n\nDone!");
-  delay(1000);
-  Serial.flush();
-  while(Serial.available()) Serial.read();
-}