示例#1
0
uint8_t PN532::mifareclassic_WriteNDEFURI (uint8_t sectorNumber, uint8_t uriIdentifier, const char *url)
{
    // Figure out how long the string is
    uint8_t len = strlen(url);

    // Make sure we're within a 1K limit for the sector number
    if ((sectorNumber < 1) || (sectorNumber > 15))
        return 0;

    // Make sure the URI payload is between 1 and 38 chars
    if ((len < 1) || (len > 38))
        return 0;

    // Note 0xD3 0xF7 0xD3 0xF7 0xD3 0xF7 must be used for key A
    // in NDEF records

    // Setup the sector buffer (w/pre-formatted TLV wrapper and NDEF message)
    uint8_t sectorbuffer1[16] = {0x00, 0x00, 0x03, len + 5, 0xD1, 0x01, len + 1, 0x55, uriIdentifier, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
    uint8_t sectorbuffer2[16] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
    uint8_t sectorbuffer3[16] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
    uint8_t sectorbuffer4[16] = {0xD3, 0xF7, 0xD3, 0xF7, 0xD3, 0xF7, 0x7F, 0x07, 0x88, 0x40, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
    if (len <= 6) {
        // Unlikely we'll get a url this short, but why not ...
        memcpy (sectorbuffer1 + 9, url, len);
        sectorbuffer1[len + 9] = 0xFE;
    } else if (len == 7) {
        // 0xFE needs to be wrapped around to next block
        memcpy (sectorbuffer1 + 9, url, len);
        sectorbuffer2[0] = 0xFE;
    } else if ((len > 7) || (len <= 22)) {
        // Url fits in two blocks
        memcpy (sectorbuffer1 + 9, url, 7);
        memcpy (sectorbuffer2, url + 7, len - 7);
        sectorbuffer2[len - 7] = 0xFE;
    } else if (len == 23) {
        // 0xFE needs to be wrapped around to final block
        memcpy (sectorbuffer1 + 9, url, 7);
        memcpy (sectorbuffer2, url + 7, len - 7);
        sectorbuffer3[0] = 0xFE;
    } else {
        // Url fits in three blocks
        memcpy (sectorbuffer1 + 9, url, 7);
        memcpy (sectorbuffer2, url + 7, 16);
        memcpy (sectorbuffer3, url + 23, len - 24);
        sectorbuffer3[len - 22] = 0xFE;
    }

    // Now write all three blocks back to the card
    if (!(mifareclassic_WriteDataBlock (sectorNumber * 4, sectorbuffer1)))
        return 0;
    if (!(mifareclassic_WriteDataBlock ((sectorNumber * 4) + 1, sectorbuffer2)))
        return 0;
    if (!(mifareclassic_WriteDataBlock ((sectorNumber * 4) + 2, sectorbuffer3)))
        return 0;
    if (!(mifareclassic_WriteDataBlock ((sectorNumber * 4) + 3, sectorbuffer4)))
        return 0;

    // Seems that everything was OK (?!)
    return 1;
}
uint8_t Adafruit_NFCShield_I2C::mifareclassic_FormatNDEF (void)
{
  uint8_t sectorbuffer1[16] = {0x14, 0x01, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1};
  uint8_t sectorbuffer2[16] = {0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1};
  uint8_t sectorbuffer3[16] = {0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0x78, 0x77, 0x88, 0xC1, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};

  // Write block 1 and 2 to the card
  if (!(mifareclassic_WriteDataBlock (1, sectorbuffer1)))
    return 0;
  if (!(mifareclassic_WriteDataBlock (2, sectorbuffer2)))
    return 0;
  // Write key A and access rights card
  if (!(mifareclassic_WriteDataBlock (3, sectorbuffer3)))
    return 0;

  // Seems that everything was OK (?!)
  return 1;
}
示例#3
0
uint8_t PN532::mifareclassic_FormatNDEF (void)
{
    uint8_t sectorbuffer1[16] = {0x14, 0x01, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1};
    uint8_t sectorbuffer2[16] = {0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1};
    uint8_t sectorbuffer3[16] = {0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0x78, 0x77, 0x88, 0xC1, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};

    // Note 0xA0 0xA1 0xA2 0xA3 0xA4 0xA5 must be used for key A
    // for the MAD sector in NDEF records (sector 0)

    // Write block 1 and 2 to the card
    if (!(mifareclassic_WriteDataBlock (1, sectorbuffer1)))
        return 0;
    if (!(mifareclassic_WriteDataBlock (2, sectorbuffer2)))
        return 0;
    // Write key A and access rights card
    if (!(mifareclassic_WriteDataBlock (3, sectorbuffer3)))
        return 0;

    // Seems that everything was OK (?!)
    return 1;
}