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
Diff: PN532/examples/p2p_with_ndef_library/p2p_with_ndef_library.ino
- Revision:
- 0:db8030e71f55
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/PN532/examples/p2p_with_ndef_library/p2p_with_ndef_library.ino Tue Sep 13 06:01:19 2016 +0000 @@ -0,0 +1,55 @@ +// 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 +} +