#define Sn_MR_TCP          0x01                 /**< Protocol bits of Sn_MR. */
#define Sn_MR_UDP          0x02                 /**< Protocol bits of Sn_MR. */
#define Sn_MR_IPRAW        0x03                 /**< Protocol bits of Sn_MR. */
#define Sn_MR_MACRAW       0x04                 /**< Protocol bits of Sn_MR. */
#define Sn_MR_PPPoE        0x05                 /**< Protocol bits of Sn_MR. */


/******************************/ 
/* The values of CR defintion */ 
/******************************/
#define Sn_CR_OPEN         0x01                 /**< OPEN command value of Sn_CR. */
#define Sn_CR_LISTEN       0x02                 /**< LISTEN command value of Sn_CR. */
#define Sn_CR_CONNECT      0x04                 /**< CONNECT command value of Sn_CR. */
#define Sn_CR_DISCON       0x08                 /**< DISCONNECT command value of Sn_CR. */
#define Sn_CR_CLOSE        0x10                 /**< CLOSE command value of Sn_CR. */
#define Sn_CR_SEND         0x20                 /**< SEND command value of Sn_CR. */
#define Sn_CR_SEND_MAC     0x21                 /**< SEND_MAC command value of Sn_CR. */ 
#define Sn_CR_SEND_KEEP    0x22                 /**< SEND_KEEP command value of Sn_CR */
#define Sn_CR_RECV         0x40                 /**< RECV command value of Sn_CR */
#define Sn_CR_PCON         0x23                 /**< PCON command value of Sn_CR */
#define Sn_CR_PDISCON      0x24                 /**< PDISCON command value of Sn_CR */ 
#define Sn_CR_PCR          0x25                 /**< PCR command value of Sn_CR */
#define Sn_CR_PCN          0x26                 /**< PCN command value of Sn_CR */
#define Sn_CR_PCJ          0x27                 /**< PCJ command value of Sn_CR */


/*********************************/ 
/* The values of Sn_IR defintion */ 
/*********************************/
#define Sn_IR_PRECV        0x80                 /**< PPP receive bit of Sn_IR */
#define Sn_IR_PFAIL        0x40                 /**< PPP fail bit of Sn_IR */
#define Sn_IR_PNEXT        0x20                 /**< PPP next phase bit of Sn_IR */
#define Sn_IR_SENDOK       0x10                 /**< Send OK bit of Sn_IR */
#define Sn_IR_TIMEOUT      0x08                 /**< Timout bit of Sn_IR */
#define Sn_IR_RECV         0x04                 /**< Receive bit of Sn_IR */
#define Sn_IR_DISCON       0x02                 /**< Disconnect bit of Sn_IR */
#define Sn_IR_CON          0x01                 /**< Connect bit of Sn_IR */

/**********************************/ 
/* The values of Sn_SSR defintion */ 
/**********************************/
#define SOCK_CLOSED        0x00                 /**< SOCKETn is released */
#define SOCK_ARP           0x01                 /**< ARP-request is transmitted in order to acquire destination hardware address. */
#define SOCK_INIT          0x13                 /**< SOCKETn is open as TCP mode. */
#define SOCK_LISTEN        0x14                 /**< SOCKETn operates as "TCP SERVER" and waits for connection-request (SYN packet) from "TCP CLIENT". */
#define SOCK_SYNSENT       0x15                 /**< Connect-request(SYN packet) is transmitted to "TCP SERVER". */
#define SOCK_SYNRECV       0x16                 /**< Connect-request(SYN packet) is received from "TCP CLIENT". */
#define SOCK_ESTABLISHED   0x17                 /**< TCP connection is established. */
#define SOCK_FIN_WAIT      0x18                 /**< SOCKETn is closing. */
#define SOCK_CLOSING       0x1A                 /**< SOCKETn is closing. */
#define SOCK_TIME_WAIT     0x1B                 /**< SOCKETn is closing. */
#define SOCK_CLOSE_WAIT    0x1C                 /**< Disconnect-request(FIN packet) is received from the peer. */
#define SOCK_LAST_ACK      0x1D                 /**< SOCKETn is closing. */
#define SOCK_UDP           0x22                 /**< SOCKETn is open as UDP mode. */
#define SOCK_IPRAW         0x32                 /**< SOCKETn is open as IPRAW mode. */
#define SOCK_MACRAW        0x42                 /**< SOCKET0 is open as MACRAW mode. */
#define SOCK_PPPoE         0x5F                 /**< SOCKET0 is open as PPPoE mode. */

/* IP PROTOCOL */
#define IPPROTO_IP         0   /* Dummy for IP */
#define IPPROTO_ICMP       1   /* Control message protocol */
#define IPPROTO_IGMP       2   /* Internet group management protocol */
#define IPPROTO_GGP        3   /* Gateway^2 (deprecated) */
#define IPPROTO_TCP        6   /* TCP */
#define IPPROTO_PUP        12  /* PUP */
#define IPPROTO_UDP        17  /* UDP */
#define IPPROTO_IDP        22  /* XNS idp */
#define IPPROTO_ND         77  /* UNOFFICIAL net disk protocol */
#define IPPROTO_RAW        255 /* Raw IP packet */

/***********************
 * Basic I/O  Function *
 ***********************/
/**
 * It reads a value from a register
 */
uint16   IINCHIP_READ(uint32 addr);

/**
 * It writes a value to a register
 */
void     IINCHIP_WRITE(uint32 addr,uint16 data);

/** 
 * It gets MR value.
 */
uint16   getMR(void);

/**
 * It sets MR value
 */
void     setMR(uint16 val);


/***********************************
 * COMMON Register Access Function *
 ***********************************/

/**
 * It gets IR value
 */
uint16   getIR(void);

/**
 * It sets IR value
 */
void     setIR(uint16 val);

/**
 * It gets IMR value
 */
uint16   getIMR(void);

/**
 * It sets IMR value
 */
void     setIMR(uint16 mask);

/**
 * It gets the source hardware address
 */
void     getSHAR(uint8 * addr);

/**
 * It sets the source hardware address
 */
void     setSHAR(uint8 * addr);

/**
 * It gets the gateway IP address
 */
void     getGAR(uint8 * addr);

/**
 * It sets the gateway IP address
 */
void     setGAR(uint8 * addr);    // set gateway address

/**
 * It gets the subnet mask address
 */
void     getSUBR(uint8 * addr);

/**
 * It sets the subnet mask address
 */
void     setSUBR(uint8 * addr); // set subnet mask address

/**
 * It gets the source IP address
 */
void     getSIPR(uint8 * addr);

/**
 * It sets the source IP address
 */
void     setSIPR(uint8 * addr); // set local IP address

/**
 * It gets RTR value
 */
uint16   getRTR(void); 

/**
 * It sets RTR value
 */
void     setRTR(uint16 timeout); // set retry duration for data transmission, connection, closing ...

/**
 * It gets RCR value
 */
uint8    getRCR(void);
/**
 * It sets RCR value
 */
void     setRCR(uint8 retry); 

/**
 * It gets PATR value
 */
uint16   getPATR(void);

/**
 * It gets PTIMER value
 */
uint8    getPTIMER(void);

/**
 * It sets PTIMER value
 */
void     setPTIMER(uint8 time);

/**
 * It gets PMAGICR value
 */
uint8    getPMAGICR(void);

/**
 * It sets PTIMER value
 */
void     setPMAGICR(uint8 magic);

/**
 *  It gets PSIDR value
 */
uint16   getPSIDR(void);

/**
 *  It gets the PPPoE server hardware address
 */
void     getPDHAR(uint8* addr);

/**
 *  It gets the unreachable destination IP address of ICMP message.
 */
void     getUIPR(uint8* addr);

/**
 *  It gets the unreachable destination port number of ICMP message.
 */
uint16   getUPORTR(void);

/**
 *  It gets the fragmented MTU value of ICMP message.
 */
uint16   getFMTUR(void);

/**
 *  It gets Pn_BRDYR value.
 */
uint8    getPn_BRDYR(uint8 p);

/**
 *  It sets Pn_BRDYR value.
 */
void     setPn_BRDYR(uint8 p, uint8 cfg);

/**
 *  It gets the buffer depth of PIN "BRDYn".
 */
uint16   getPn_BDPTHR(uint8 p);

/**
 *  It sets the buffer depth of PIN "BRDYn".
 */
void     setPn_BDPTHR(uint8 p, uint16 depth);

/**
 *  It gets the ID of W5300.
 */
uint16   getIDR(void);



/***********************************
 * SOCKET Register Access Function *
 ***********************************/

/**
 *  It gets Sn_MR value.
 */
uint16   getSn_MR(SOCKET s);

/**
 *  It sets Sn_MR value.
 */
void     setSn_MR(SOCKET s, uint16 mode); 

/**
 *  It gets Sn_CR value.
 */
uint8    getSn_CR(SOCKET s);
/**
 *  It sets Sn_CR value.
 */
void     setSn_CR(SOCKET s, uint16 com);

/**
 *  It gets Sn_IMR value.
 */
uint8    getSn_IMR(SOCKET s);

/**
 *  It sets Sn_IMR value.
 */
void     setSn_IMR(SOCKET s, uint8 mask);

/**
 *  It gets Sn_IR value.
 */
uint8    getSn_IR(SOCKET s);

/**
 *  It sets Sn_IR value.
 */
void     setSn_IR(SOCKET s, uint8 ir);

/**
 *  It gets Sn_SSR value.
 */
uint8    getSn_SSR(SOCKET s);

/**
 *  It gets Sn_DHAR value.
 */
void     getSn_DHAR(SOCKET s, uint8* addr);

/**
 *  It sets Sn_DHAR value.
 */
void     setSn_DHAR(SOCKET s, uint8* addr);

// M_15052008 : Delete this function.
/*
 *  It gets Sn_DPORTR value.
 */
//uint16   getSn_DPORTR(SOCKET s);

/**
 *  It sets Sn_DPORTR value.
 */
void     setSn_DPORTR(SOCKET s, uint16 port);

/**
 *  It gets Sn_DIPR value.
 */
void     getSn_DIPR(SOCKET s, uint8* addr);

/**
 *  It sets Sn_DIPR value.
 */
void     setSn_DIPR(SOCKET s, uint8* addr);

/**
 *  It gets Sn_MSSR value.
 */
uint16   getSn_MSSR(SOCKET s);

/**
 *  It sets Sn_MSSR value.
 */
void     setSn_MSSR(SOCKET s, uint16 mss);

/**
 *  It gets Sn_KPALVTR value.
 */
uint8    getSn_KPALVTR(SOCKET s);

/**
 *  It sets Sn_KPALVTR value.
 */
void     setSn_KPALVTR(SOCKET s, uint8 time);

/**
 *  It gets Sn_TX_WRSR value.
 */
uint32   getSn_TX_WRSR(SOCKET s);

/**
 *  It gets Sn_KPALVTR value.
 */
void     setSn_TX_WRSR(SOCKET s, uint32 size);

/**
 *  It gets Sn_TX_FSR value.
 */
uint32   getSn_TX_FSR(SOCKET s);

/**
 *  It gets Sn_RX_RSR value.
 */
uint32   getSn_RX_RSR(SOCKET s);

/**
 *  It sets Sn_TX_FIFOR value.
 */
void     setSn_TX_FIFOR(SOCKET s, uint16 data);

/**
 *  It gets Sn_RX_FIFOR value.
 */
uint16   getSn_RX_FIFOR(SOCKET s);

/**
 *  It gets Sn_PROTOR value.
 */
uint8    getSn_PROTOR(SOCKET s);

/**
 *  It sets Sn_PROTOR value.
 */
void     setSn_PROTOR(SOCKET s, uint8 pronum);

/**
 *  It gets Sn_TOSR value.
 */
uint8    getSn_TOSR(SOCKET s);

/**
 *  It sets Sn_TOSR value.
 */
void     setSn_TOSR(SOCKET s, uint8 tos);

/**
 *  It gets Sn_TTLR value.
 */
uint8    getSn_TTLR(SOCKET s);

/**
 *  It sets Sn_TTLR value.
 */
void     setSn_TTLR(SOCKET s, uint8 ttl);

/**
 *  It gets Sn_FRAGR value.
 */
uint8    getSn_FRAGR(SOCKET s);
/**
 *  It sets Sn_FRAGR value.
 */
void     setSn_FRAGR(SOCKET s, uint8 frag);



/*******
 * ETC *
 *******/

/* Initialization & Interrupt request routine */

/**
 *  It initializes W5300.
 */
void     iinchip_init(void); 

/**
 *  It handles the interrupt of W5300.
 */
#ifdef __DEF_IINCHIP_INT__
   void     iinchip_irq(void);
#endif


/* Interanl memory operation */

/**
 *  It allocate internal TX/RX meory of each SOCKET.
 */
uint8    sysinit(uint8* tx_size, uint8* rx_size); // setting tx/rx buf size


/**
 *  It copies data to interna TX memory
 */
uint32   wiz_write_buf(SOCKET s,uint8* buf,uint32 len);


/**
 *  It copies data to your buffer from interna RX memory
 */
uint32   wiz_read_buf(SOCKET s, uint8* buf,uint32 len);


/**
 *  It gets the max size of internal TX memory of each SOCKET
 */
uint32   getIINCHIP_TxMAX(SOCKET s);

/**
 *  It gets the max size of internal RX memory of each SOCKET
 */
uint32   getIINCHIP_RxMAX(SOCKET s);



#ifdef __DEF_IINCHIP_PPP__
   /**
    *  It initializes to PPPoE of W5300
    */
   uint8    pppinit(uint8 *id, uint8 idlen, uint8 *passwd, uint8 passwdlen);
   /**
    *  It terminates PPPoE connection 
    */   
   void    pppterm(uint8 *mac, uint16 sessionid);
#endif

/**
 *  Delay function
 */
void  wait_1us(uint32 us);
/**
 *  Delay function
 */
void  wait_1ms(uint32 ms);
/**
 *  Delay function
 */
void  wait_10ms(uint32 ms);
#endif