/**************************************************************************************************
*******
**************************************************************************************************/


#ifndef _LL_H_
#define _LL_H_

#include "types.h"
#include "mcu.h"
#include "ll.h"
#include "ll_def.h"

#define LL_DATA_PDU( pktHdr )     ((pktHdr) != LL_DATA_PDU_HDR_LLID_CONTROL_PKT)
#define LL_CTRL_PDU( pktHdr )     ((pktHdr) == LL_DATA_PDU_HDR_LLID_CONTROL_PKT)
#define LL_INVALID_LLID( pktHdr ) ((pktHdr) == LL_DATA_PDU_HDR_LLID_RESERVED)


void LL_IRQHandler(void);

void move_to_slave_function(void);

void LL_slave_conn_event(void);

void LL_master_conn_event(void);

void LL_set_default_conn_params(llConnState_t *connPtr);

//void ll_setMem(uint8_t  *buf, uint8_t v, int n);

//void ll_cpyMem(uint8_t *dst, uint8_t *src, int n);

void LL_evt_schedule(void);

llStatus_t llSetupAdv( void );

void llConvertLstoToEvent( llConnState_t *connPtr,
                           connParam_t   *connParams );

void llSlaveEvt_TaskEndOk( void );

// for master process
void llMasterEvt_TaskEndOk( void );

// Connection Management
extern llConnState_t      *llAllocConnId( void );
extern void               llReleaseConnId( llConnState_t *connPtr );
extern void               llReleaseAllConnId( void );
extern uint16             llGetMinCI( uint16 connInterval );
extern uint8              llGetNextConn( void );
extern void               llConnCleanup( llConnState_t *connPtr );
extern void               llConnTerminate( llConnState_t *connPtr, uint8 reason );
extern uint8              llPendingUpdateParam( void );
extern void               llInitFeatureSet( void );
extern uint32             llGenerateValidAccessAddr( void );
extern uint32             llGenerateCRC( void );
extern  uint8             llEventInRange( uint16 curEvent, uint16 nextEvent, uint16 updateEvent );
extern  uint16            llEventDelta( uint16 eventA, uint16 eventB );
extern void               llConvertLstoToEvent( llConnState_t *connPtr, connParam_t *connParams );
extern void               llConvertCtrlProcTimeoutToEvent( llConnState_t *connPtr );

// Task Setup
extern llStatus_t         llSetupAdv( void );
extern void               llSetupDirectedAdvEvt( void );
extern void               llSetupUndirectedAdvEvt( void );
extern void               llSetupNonConnectableAdvEvt( void );
extern void               llSetupScannableAdvEvt( void );
extern void               llSetupScan( uint8 chan );
extern void               llSetupScanInit( void );
extern void               llSetupInit( uint8 connId );
extern void               llSetupConn( void );
// A2 added
extern uint8              llSetupSecNonConnectableAdvEvt( void );
// A2 multi-connection
extern uint8              llSetupSecConnectableAdvEvt( void );
extern uint8              llSetupSecScannableAdvEvt( void );


extern void               llSetupSecScan( uint8 chan );
extern uint32             llCalcMaxScanTime(void);
extern uint8              llSecAdvAllow(void);
// A2 multi-connection
extern uint8              llSetupSecAdvEvt( void );

extern void               llSetupSecInit( uint8 chan );
extern uint8_t            ll_get_next_active_conn(uint8_t current_conn_id);
extern uint32             ll_get_next_timer(uint8 current_conn_id);

extern void               ll_scheduler(uint32 time);

extern void               ll_addTask(uint8 connId, uint32 time);
extern void               ll_deleteTask(uint8 connId);

// extended adv scheduler functions
void ll_adv_scheduler(void);

void ll_add_adv_task(extAdvInfo_t *pExtAdv);

void ll_delete_adv_task(uint8 index);

uint8 llSetupExtAdvEvent(extAdvInfo_t  *pAdvInfo);

// periodic adv functions
void ll_add_adv_task_periodic(periodicAdvInfo_t *pPrdAdv, extAdvInfo_t *pExtAdv);

void ll_add_adv_task_periodic(periodicAdvInfo_t *pPrdAdv, extAdvInfo_t *pExtAdv);

void ll_delete_adv_task_periodic(uint8 index);

uint8 llSetupPrdAdvEvent(periodicAdvInfo_t *pPrdAdv, extAdvInfo_t *pExtAdv);

void ll_adv_scheduler_periodic(void);


// extended scan functions
extern void llSetupExtScan( uint8 chan );

extern void llSetupExtInit(void);

extern void llSetupPrdScan( void );

extern uint16 llAllocateSyncHandle(void);

extern uint8 llDeleteSyncHandle(uint16 sync_handle);



// Data Management
extern uint8              llEnqueueDataQ( llDataQ_t *pDataQ, txData_t *pTxData );
extern uint8              llEnqueueHeadDataQ( llDataQ_t *pDataQ, txData_t *pTxData );
extern txData_t          *llDequeueDataQ( llDataQ_t *pDataQ );
extern uint8              llDataQEmpty( llDataQ_t *pDataQ );
extern uint8              llWriteTxData ( llConnState_t *connPtr, uint8 pktHdr, uint8 pktLen, uint8 *pBuf );
extern uint8              *llMemCopySrc( uint8 *pDst, uint8 *pSrc, uint8 len );
extern uint8              *llMemCopyDst( uint8 *pDst, uint8 *pSrc, uint8 len );
extern void               llProcessMasterControlPacket( llConnState_t *connPtr, uint8 *pBuf );
extern void               llProcessSlaveControlPacket( llConnState_t *connPtr, uint8 *pBuf );
extern  void              llProcessTxData( llConnState_t *connPtr, uint8 context );
extern  uint8             llProcessRxData( void );

// Control Procedure Setup
extern uint8              llSetupUpdateParamReq( llConnState_t *connPtr );  // M
extern uint8              llSetupUpdateChanReq( llConnState_t *connPtr );   // M
extern uint8              llSetupEncReq( llConnState_t *connPtr );          // M
extern uint8              llSetupEncRsp( llConnState_t *connPtr );          // S
extern uint8              llSetupStartEncReq( llConnState_t *connPtr );     // S
extern uint8              llSetupStartEncRsp( llConnState_t *connPtr );     // M, S
extern uint8              llSetupPauseEncReq( llConnState_t *connPtr );     // M
extern uint8              llSetupPauseEncRsp( llConnState_t *connPtr );     // S
extern uint8              llSetupRejectInd( llConnState_t *connPtr ,uint8 errCode);       // S
extern uint8              llSetupFeatureSetReq( llConnState_t *connPtr );   // M, S
extern uint8              llSetupFeatureSetRsp( llConnState_t *connPtr );   // M, S
extern uint8              llSetupVersionIndReq( llConnState_t *connPtr );   // M
extern uint8              llSetupTermInd( llConnState_t *connPtr );         // M, S
extern uint8              llSetupUnknownRsp( llConnState_t *connPtr );      // M, S

extern uint8              llSetupDataLenghtReq( llConnState_t *connPtr );//M,S
extern uint8              llSetupDataLenghtRsp( llConnState_t *connPtr );//M,S
extern uint8              llSetupPhyReq( llConnState_t *connPtr );          //M,S
extern uint8              llSetupPhyRsp( llConnState_t *connPtr );   //M,S
extern uint8              llSetupPhyUpdateInd( llConnState_t *connPtr );//M
extern uint8              llSetupRejectExtInd( llConnState_t *connPtr ,uint8 errCode);

// Control Procedure Management
extern void               llEnqueueCtrlPkt( llConnState_t *connPtr, uint8 ctrlType );
extern void               llDequeueCtrlPkt( llConnState_t *connPtr );
extern void               llReplaceCtrlPkt( llConnState_t *connPtr, uint8 ctrlType );


// Data Channel Management
extern void               llProcessChanMap( llConnState_t *connPtr, uint8 *chanMap );
extern  uint8    llGetNextDataChan( llConnState_t *connPtr, uint16 numEvents );
extern  void     llSetNextDataChan( llConnState_t *connPtr );
extern uint8              llAtLeastTwoChans( uint8 *chanMap );

//2020-01-20 add for LL CTE 
extern uint8 			llSetupCTEReq( llConnState_t *connPtr );
extern uint8 			llSetupCTERsp( llConnState_t *connPtr );



uint8_t llTimeCompare(int base_time, int fine_time);
uint32_t calculateTimeDelta(int base_time, int  fine_time);

void llSetNextDataChan( llConnState_t *connPtr );

// White List Related
extern llStatus_t         llCheckWhiteListUsage( void );

// function add by HZF
void llResetConnId( uint8 connId );
void llResetRfCounters(void);
extern void               llInitFeatureSet( void );


extern  uint16 llCalcScaFactor( uint8 masterSCA );


extern void llCalcTimerDrift( uint32    connInterval,
                                 uint16    slaveLatency,
                                 uint8     sleepClkAccuracy,
                                 uint32 *timerDrift );


// add by HZF
uint8 llGetNextAdvChn(uint8 cur_chn);

// Tx loop buffer process
void update_tx_write_ptr(llConnState_t *connPtr);

void update_tx_read_ptr(llConnState_t *connPtr);

uint8_t getTxBufferSize(llConnState_t *connPtr);
uint8_t getTxBufferFree(llConnState_t *connPtr);

uint8_t get_tx_read_ptr(llConnState_t *connPtr);

uint8_t get_tx_write_ptr(llConnState_t *connPtr);

// Rx loop buffer process
void update_rx_write_ptr(llConnState_t *connPtr);

void update_rx_read_ptr(llConnState_t *connPtr);

uint8_t getRxBufferSize(llConnState_t *connPtr);
uint8_t getRxBufferFree(llConnState_t *connPtr);

uint8_t get_rx_read_ptr(llConnState_t *connPtr);

uint8_t get_rx_write_ptr(llConnState_t *connPtr);

// reset buffer
void reset_conn_buf(uint8 index);

void ll_schedule_next_event(int time);

uint16 ll_generateTxBuffer(int txFifo_vacancy, uint16 *pSave_ptr);

void ll_read_rxfifo(void);
void ll_hw_read_tfifo_rtlp(void);
int ll_hw_read_tfifo_packet(uint8 *pkt);

// function in ll_slaveEndCause.c
uint8 llSetupNextSlaveEvent( void );
uint8 llProcessSlaveControlProcedures( llConnState_t *connPtr );
uint8 llCheckForLstoDuringSL( llConnState_t *connPtr );

// function in ll_hwItf.c
void ll_hw_process_RTO(uint32 ack_num);
void ll_debug_output(uint32 state);

void llAdjSlaveLatencyValue( llConnState_t *connPtr );

//function for DLE add by ZQ
void llPduLengthManagmentReset(void);
void llTrxNumAdaptiveConfig(void);
void llPduLengthUpdate(uint16 connHandle);
//uint8 LL_PLUS_GetLocalPduDataLength(ll_pdu_length_ctrl_t * pduLen);

//function for PHY UPDATE add by ZQ
void llPhyModeCtrlReset(void);
void llPhyModeCtrlUpdateNotify(llConnState_t *connPtr, uint8 status);
//llStatus_t LL_PLUS_GetLocalPhyMode(ll_phy_ctrl_t * phyCtrl);
void llSetNextPhyMode( llConnState_t *connPtr );
extern void llInitFeatureSetDLE(uint8 enable);
extern void llInitFeatureSet2MPHY(uint8 enable);
extern void llInitFeatureSetCodedPHY(uint8 enable);

// function for whitelist
extern uint8 ll_isAddrInWhiteList(uint8 addrType, uint8 *addr);

// function for resolving list
uint8 ll_readLocalIRK(uint8 **localIrk, uint8 *peerAddr, uint8 peerAddrType);
uint8 ll_readPeerIRK(uint8 **peerIrk, uint8 *peerAddr, uint8 peerAddrType);
uint8_t ll_getRPAListEntry(uint8 *peerAddr);

uint8_t ll_isIrkAllZero(uint8 *irk);

uint8_t ll_CalcRandomAddr( uint8 *pIRK, uint8 *pNewAddr );
uint8_t ll_ResolveRandomAddrs(uint8 *pIRK, uint8 *pAddr);

uint16  ll_generateExtAdvDid(uint16 old);

// extended advertiser process
uint8 LL_extAdvTimerExpProcess(void);

uint8 LL_prdAdvTimerExpProcess(void);

uint8 LL_prdScanTimerExpProcess(void);

uint8 ll_isFirstAdvChn(uint8 chnMap, uint8 chan);

uint8 ll_getFirstAdvChn(uint8 chnMap);

void ll_ext_adv_schedule_next_event(int time);

void ll_prd_adv_schedule_next_event(int time);

void ll_ext_scan_schedule_next_event(int time);

void ll_ext_init_schedule_next_event(int time);

void ll_prd_scan_schedule_next_event(int time);


uint8 ll_allocAuxAdvTimeSlot(uint8 index);

void ll_updateAuxAdvTimeSlot(uint8 index);

void ll_updateExtAdvRemainderTime(uint32 time);


uint8 ll_allocAuxAdvTimeSlot_prd(uint8 index);

void LL_extScanTimerExpProcess(void);

void LL_extInitTimerExpProcess(void);
	
void ll_parseExtHeader(uint8 *payload, uint16 length);

uint8  llGetNextAuxAdvChn(uint8 current);


/******************************************************************************
 * fn:	llGetNextDataChanCSA2
 * 
 * brief:	2020-01-07 add for CSA 2
 * 
 * input parameters:	counter :	event counter( PA Counter or connection counter)
 *						chan_id	:	current data or periodic advertising channel Identifier, 
 *									calculate from Access Address
 *						chan_map:	PA or connection channel map
 *						cMap_tab:	current chan map table that is in use for connection or PA event
 *						chanCnt	:	used channel count
 * 
 * output parameters:	None
 * 
 * 
 * return		uint8			:	next channel index
 * 
 ******************************************************************************/
uint8 llGetNextDataChanCSA2(uint16_t counter ,uint16_t chan_id,uint8 *chan_map,uint8 *cMap_tab,uint8 chanCnt);

#endif

