andydoro/adafruit-pn532

Arduino library for SPI and I2C access to the PN532 RFID/Near Field Communication chip

Adafruit-PN532

Compatibility

MCU	Tested Works	Doesn't Work	Not Tested	Notes
Atmega328 @ 16MHz	X
Atmega328 @ 12MHz	X
Atmega32u4 @ 16MHz	X			Follow instructions at https://learn.adafruit.com/adafruit-pn532-rfid-nfc/shield-wiring to move pin 2.
Atmega32u4 @ 8MHz	X
ESP8266			X
Atmega2560 @ 16MHz	X
ATSAM3X8E	X
ATSAM21D		X		/Users/james/Documents/Arduino/libraries/Adafruit_PN532/Adafruit_PN532.cpp: In function 'void i2c_send(uint8_t)':
/Users/james/Documents/Arduino/libraries/Adafruit_PN532/Adafruit_PN532.cpp:55:15: error: 'Wire1' was not declared in this scope
#define WIRE Wire1

           ^

/Users/james/Documents/Arduino/libraries/Adafruit_PN532/Adafruit_PN532.cpp:90:5: note: in expansion of macro 'WIRE' WIRE.write((uint8_t)x); ^ /Users/james/Documents/Arduino/libraries/Adafruit_PN532/Adafruit_PN532.cpp: In function 'uint8_t i2c_recv()': /Users/james/Documents/Arduino/libraries/Adafruit_PN532/Adafruit_PN532.cpp:55:15: error: 'Wire1' was not declared in this scope #define WIRE Wire1 ^ /Users/james/Documents/Arduino/libraries/Adafruit_PN532/Adafruit_PN532.cpp:104:12: note: in expansion of macro 'WIRE' return WIRE.read(); ^ /Users/james/Documents/Arduino/libraries/Adafruit_PN532/Adafruit_PN532.cpp: In member function 'void Adafruit_PN532::begin()': /Users/james/Documents/Arduino/libraries/Adafruit_PN532/Adafruit_PN532.cpp:55:15: error: 'Wire1' was not declared in this scope #define WIRE Wire1 ^ /Users/james/Documents/Arduino/libraries/Adafruit_PN532/Adafruit_PN532.cpp:213:5: note: in expansion of macro 'WIRE' WIRE.begin(); ^ /Users/james/Documents/Arduino/libraries/Adafruit_PN532/Adafruit_PN532.cpp: In member function 'void Adafruit_PN532::readdata(uint8_t*, uint8_t)': /Users/james/Documents/Arduino/libraries/Adafruit_PN532/Adafruit_PN532.cpp:55:15: error: 'Wire1' was not declared in this scope #define WIRE Wire1 ^ /Users/james/Documents/Arduino/libraries/Adafruit_PN532/Adafruit_PN532.cpp:1600:5: note: in expansion of macro 'WIRE' WIRE.requestFrom((uint8_t)PN532_I2C_ADDRESS, (uint8_t)(n+2)); ^ /Users/james/Documents/Arduino/libraries/Adafruit_PN532/Adafruit_PN532.cpp: In member function 'void Adafruit_PN532::writecommand(uint8_t*, uint8_t)': /Users/james/Documents/Arduino/libraries/Adafruit_PN532/Adafruit_PN532.cpp:55:15: error: 'Wire1' was not declared in this scope #define WIRE Wire1 ^ /Users/james/Documents/Arduino/libraries/Adafruit_PN532/Adafruit_PN532.cpp:1701:5: note: in expansion of macro 'WIRE' WIRE.beginTransmission(PN532_I2C_ADDRESS); ^ Error compiling. ATtiny85 @ 16MHz | | | X | ATtiny85 @ 8MHz | | | X |

• ATmega328 @ 16MHz : Arduino UNO, Adafruit Pro Trinket 5V, Adafruit Metro 328, Adafruit Metro Mini
• ATmega328 @ 12MHz : Adafruit Pro Trinket 3V
• ATmega32u4 @ 16MHz : Arduino Leonardo, Arduino Micro, Arduino Yun, Teensy 2.0
• ATmega32u4 @ 8MHz : Adafruit Flora, Bluefruit Micro
• ESP8266 : Adafruit Huzzah
• ATmega2560 @ 16MHz : Arduino Mega
• ATSAM3X8E : Arduino Due
• ATSAM21D : Arduino Zero, M0 Pro
• ATtiny85 @ 16MHz : Adafruit Trinket 5V
• ATtiny85 @ 8MHz : Adafruit Gemma, Arduino Gemma, Adafruit Trinket 3V