/*
*         Copyright (c), Philips Semiconductors Gratkorn / Austria
*
*                     (C)PHILIPS Electronics N.V.2000
*       All rights are reserved. Reproduction in whole or in part is 
*      prohibited without the written consent of the copyright owner.
*  Philips reserves the right to make changes without notice at any time.
* Philips makes no warranty, expressed, implied or statutory, including but
* not limited to any implied warranty of merchantability or fitness for any
*particular purpose, or that the use will not infringe any third party patent,
* copyright or trademark. Philips must not be liable for any loss or damage
*                          arising from its use.
*/

#ifndef MFRC500_H
#define MFRC500_H

#ifdef __cplusplus
extern "C"
{
#endif

// General Include File for serveral defines concerning conditional library
// compilation and microcontroller usage
#include "OsDefs.h"

#define PICC_REQIDL        0x26         //!< request idle
#define PICC_REQALL        0x52         //!< request all
#define PICC_ANTICOLL1     0x93         //!< anticollision level 1 106 kBaud
#define PICC_ANTICOLL2     0x95         //!< anticollision level 2
#define PICC_ANTICOLL3     0x97         //!< anticollision level 3
#define PICC_AUTHENT1A     0x60         //!< authentication using key A
#define PICC_AUTHENT1B     0x61         //!< authentication using key B
#define PICC_READ          0x30         //!< read block
#define PICC_WRITE         0xA0         //!< write block
#define PICC_DECREMENT     0xC0         //!< decrement value
#define PICC_INCREMENT     0xC1         //!< increment value
#define PICC_RESTORE       0xC2         //!< restore command code
#define PICC_TRANSFER      0xB0         //!< transfer command code
#define PICC_HALT          0x50         //!< halt

/*
* This function has to be called before the first data is written to the 
* MF RC500 in order to perform the internal configuration. A reset of the 
* MF RC500 is done  and several registers are set. 
*/
FCT_PREF Mf500PcdConfig(void);

/*
* The MF RC500 reader IC configured in the slave configuration is able to 
* communicate with another MF RC500 configured in the master configuration 
* via the digital <em>MFin</em> and <em>MFOut</em> pins. 
*
* The master MF RC500 reader IC sends commands and data using the 
* <em>MFOut</em> pin. The  slave reader IC receives the data via 
* <em>MFin</em> pin. Sending data back from the slave IC is done connecting the
* <em>MFOut</em> for the slave IC and <em>MFin</em> for the master MF RC500.
*
* In this configuration  the slave module can not be initialized by the 
* microcontroller because only the <em>mifare in/out</em> interface is 
* connected between both MF RC500's. The slave module has to be initialized 
* before the connection is established. During this initialization  the 
* appropriate parameter settings are written to the E2PROM. 
* After POR (power on reset) the IC reads these settings and initializes 
* itself automatically as slave IC.	
*
* Additionally, it is possible to connect the slave reader Ic to the 礐 
* to have the possibility to change the setting in the application later.	
*/
FCT_PREF Mf500ActiveAntennaSlaveConfig(void);

/*
* This function initializes the master reader IC to use it in an active antenna
* configuration. 
*
* This function is additional to the standard configuration 
* <em>Mf500PcdConfig</em>. 
*
* The MF RC500 reader IC configured in the master 
* configuration is able to communicate with another MF RC500 configured in the 
* slave configuration  via the digital <em>MFin</em> and <em>MFout</em> pins. 
* The corresponding slave configuration routine for the slave MF RC 500 can be 
* initialized by the function <em>MF500ActiveAntennaSlaveConfig</em>. 
*/
FCT_PREF Mf500ActiveAntennaMasterConfig(void);

/* 
* Set MIFARE PCD (Proximity Coupling Device) with
* default values for the baudrate divider (106 kBaud). 
*/
FCT_PREF Mf500PcdSetDefaultAttrib(void);


/* 
* This function accesses the reader module and activates sending the REQ code 
* to the MIFARE