dotnfc Tang / LibPN532

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_IF/PN532_HSU.h

Committer:
dotnfc
Date:
2016-09-13
Revision:
1:b5922b3b3257
Parent:
0:db8030e71f55

File content as of revision 1:b5922b3b3257:


#ifndef __PN532_HSU_H__
#define __PN532_HSU_H__

#include "PN532Interface.h"
#include "Arduino.h"

#define PN532_HSU_DEBUG

#define PN532_HSU_READ_TIMEOUT						(1000)

class PN532_HSU : public PN532Interface {
public:
    PN532_HSU(HardwareSerial &serial);
    
    virtual void begin();
    virtual void wakeup();
    virtual int8_t writeCommand(const uint8_t *header, uint8_t hlen, const uint8_t *body = 0, uint8_t blen = 0);
    virtual int16_t readResponse(uint8_t buf[], uint8_t len, uint16_t timeout);
    
private:
    HardwareSerial* _serial;
    uint8_t command;
    
    int8_t readAckFrame();
    
    int8_t receive(uint8_t *buf, int len, uint16_t timeout=PN532_HSU_READ_TIMEOUT);
};

#endif