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
PN532/examples/p2p_with_ndef_library/p2p_with_ndef_library.ino
- Committer:
- dotnfc
- Date:
- 2016-09-13
- Revision:
- 0:db8030e71f55
File content as of revision 0:db8030e71f55:
// send a NDEF message to adnroid or get a NDEF message // // note: [NDEF library](https://github.com/Don/NDEF) is needed. #include "SPI.h" #include "PN532_SPI.h" #include "snep.h" #include "NdefMessage.h" PN532_SPI pn532spi(SPI, 10); SNEP nfc(pn532spi); uint8_t ndefBuf[128]; void setup() { Serial.begin(115200); Serial.println("-------Peer to Peer--------"); } void loop() { #if 1 Serial.println("Send a message to Android"); NdefMessage message = NdefMessage(); message.addUriRecord("http://www.seeedstudio.com"); int messageSize = message.getEncodedSize(); if (messageSize > sizeof(ndefBuf)) { Serial.println("ndefBuf is too small"); while (1) { } } message.encode(ndefBuf); if (0 >= nfc.write(ndefBuf, messageSize)) { Serial.println("Failed"); } else { Serial.println("Success"); } delay(3000); #else Serial.println("Get a message from Android"); int msgSize = nfc.read(ndefBuf, sizeof(ndefBuf)); if (msgSize > 0) { NdefMessage msg = NdefMessage(ndefBuf, msgSize); msg.print(); Serial.println("\nSuccess"); } else { Serial.println("failed"); } delay(3000); #endif }