p2p_with_ndef_library.ino
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// 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
}