PN532_SPI.h

/**************************************************************************/
/*! 
	@file     PN532_SPI.h
	@author   Odopod, a Nurun Company
	@license  BSD
	
	This code is refactored by Odopod (http://www.odopod.com) based on the 
	Seeedstudio PN_SPI library (http://www.seeedstudio.com/wiki/NFC_Shield) 
	and the Adafruit PN532 Library (https://github.com/adafruit/PN532).
*/
/**************************************************************************/

#ifndef __PN532_SPI_INCLUDED__
#define __PN532_SPI_INCLUDED__


#include "PN532_Com.h"

#define PN532_SPI_STATREAD                  (0x02)
#define PN532_SPI_DATAWRITE                 (0x01)
#define PN532_SPI_DATAREAD                  (0x03)


class PN532_SPI : public PN532{
public:
    PN532_SPI(uint8_t clk, uint8_t miso, uint8_t mosi, uint8_t ss);
    void     begin(void);
    uint32_t getFirmwareVersion(void);
    
    boolean readack(void);

    boolean sendCommandCheckAck(uint8_t *cmd, uint8_t cmdlen, uint16_t timeout = 1000);
    
	uint8_t readstatus(void);
    void    readdata(uint8_t* buffer, uint8_t length);
    void    sendcommand(uint8_t* cmd, uint8_t cmdlen);
	
private:
    uint8_t _clk, _mosi, _miso, _ss;
    
    void    spiwrite(uint8_t x);
    uint8_t spiread(void);
};

#endif