//--------------------------------------------------------------------
//TRF7960
//--------------------------------------------------------------------

//-------Direct Command From MCU to Reader----------------------------
#define Idle			              0x00
#define SoftInit		              0x03
#define InitialRFCollision	          0x04
#define ResponseRFCollisionN	      0x05
#define ResponseRFCollision0	      0x06
#define	Reset			              0x0F
#define TransmitNoCRC		          0x10
#define TransmitCRC		              0x11
#define DelayTransmitNoCRC	          0x12
#define DelayTransmitCRC	          0x13
#define TransmitNextSlot	          0x14
#define CloseSlotSequence	          0x15
#define StopDecoders		          0x16
#define RunDecoders		              0x17
#define ChectInternalRF		          0x18
#define CheckExternalRF		          0x19
#define AdjustGain		              0x1A
//==========================================================

//-------register address---------------------------------------------
#define ChipStateControl	          0x00
#define ISOControl		              0x01
#define ISO14443Boptions	          0x02
#define ISO14443Aoptions	          0x03
#define TXtimerEPChigh		          0x04
#define TXtimerEPClow		          0x05
#define TXPulseLenghtControl	      0x06
#define RXNoResponseWaitTime	      0x07
#define RXWaitTime		              0x08 
#define ModulatorControl	          0x09
#define RXSpecialSettings	          0x0A
#define RegulatorControl	          0x0B
#define IRQStatus		              0x0C
#define IRQMask			              0x0D
#define	CollisionPosition	          0x0E
#define RSSILevels		              0x0F
#define RAMStartAddress		          0x10	//RAM is 7 bytes long (0x10 - 0x16)
#define NFCID			              0x17
#define NFCTargetLevel		          0x18
#define NFCTargetProtocol	          0x19
#define TestSetting1		          0x1A
#define TestSetting2		          0x1B
#define FIFOStatus		              0x1C
#define TXLenghtByte1		          0x1D
#define TXLenghtByte2		          0x1E
#define FIFO			              0x1F

//-------Reader commands-------------------------------------------------
#define Idle			              0x00
#define SoftInit		              0x03
#define InitialRFCollision	          0x04
#define ResponseRFCollisionN	      0x05
#define ResponseRFCollision0	      0x06
#define	Reset			              0x0F
#define TransmitNoCRC		          0x10
#define TransmitCRC		              0x11
#define DelayTransmitNoCRC	          0x12
#define DelayTransmitCRC	          0x13
#define TransmitNextSlot	          0x14
#define CloseSlotSequence	          0x15
#define StopDecoders		          0x16
#define RunDecoders		              0x17
#define ChectInternalRF		          0x18
#define CheckExternalRF		          0x19
#define AdjustGain		              0x1A

//-------initialize TRF796X----------------------------------------------
void InitialTRF7960(void);

//-------write the register of TRF796X-----------------------------------
void WriteSingle(unsigned char *pbuf, unsigned char length);

//-------read the register of TRF796X------------------------------------
void ReadSingle(unsigned char *pbuf, unsigned char lenght);

//-------read multiple registers-----------------------------------------
void ReadCont(unsigned char *pbuf, unsigned char lenght);


//-------send direct command to TRF796X----------------------------------
void DirectCommand(unsigned char *pbuf);

//-------Inventory-------------------------------------------------------
void InventoryRequest(unsigned char *mask, unsigned char length);

//-------write data to TRF796X's FIFO------------------------------------
void RAWwrite(unsigned char *pbuf, unsigned char lenght);

//-------reset the irq register------------------------------------------
void IrqReset(void);

//-------turn on RF signal-----------------------------------------------
void TurnOnRF(void);

//-------turn off RF signal----------------------------------------------
void TurnOffRF(void);

//-------generate the opcode---------------------------------------------
unsigned char Command(unsigned char command);

//-------set TRF7960's mode----------------------------------------------
void SetTRF(void);

//-------parallel start condition----------------------------------------
void STARTcondition(void);

//-------parallel stop condition-----------------------------------------
void STOPcondition(void);

//-------parallel stop continuous read-----------------------------------
void STOPcont(void);