#ifndef OPTEK_LINK_CONFIG_H_
#define OPTEK_LINK_CONFIG_H_

#undef ASSERT_ERR
#define ASSERT_ERR


#define uint8_t unsigned char
#define uint16_t unsigned short
#define uint32_t unsigned int
#define uint64_t unsigned long long

#define int8_t signed char
#define int16_t signed short
#define int32_t signed int
#define int64_t signed long long

#define LOGIC_ADDR_0            0			//recive all ，no reject 
#define LOGIC_ADDR_DYNAMIC      0xFF		//recive ->LOGIC_ADDR_DYNAMIC

/// Modified by Optek
#define MAX_DYNAMIC_INTV_SIZE     147


#define BC_ACT_ID           1                   //multiconn
#define SCONN_ACT_ID        2                   //shaed connection, ACK/NACK

#define LINK_STATUS_BIT_MASK     0xE0

#define LINK_STATUS_LADDR_1_BIT_MASK     0x80
#define LINK_STATUS_LADDR_2_BIT_MASK     0x40
#define LINK_STATUS_LADDR_3_BIT_MASK     0x20
#define LINK_STATUS_LADDR_4_BIT_MASK     0x10


#define LINK_STATUS_LOGIC_1_BIT_MASK     0x80
#define LINK_STATUS_LOGIC_2_BIT_MASK     0x40
#define LINK_STATUS_LOGIC_3_BIT_MASK     0x20

#define LINK_STATUS_EXT_MASK     0x80


#define SLAVE_ACK_MASK          0x80
#define MASTER_DEV_1_MASK       0x80
#define MASTER_DEV_2_MASK       0x80
#define MASTER_DEV_3_MASK       0x80

#define AE_LEN_W_ADI        4
#define AE_LEN_W_ADI_DYN        6
#define AE_LEN_WO_ADI       1

#define AE_LEN_W_PARING     (2+6+1)                 //should be plused by 1???, min tx len 2+6+2+1

#define LINK_INDEX_POS      0
#define LINK_MODE_POS       1       
#define DYNAMIC_0p5ms_CN_H  2     
#define DYNAMIC_0p5ms_CN_L  3     


#define SLAVE_RX_TX_ADJUST  34

//#define RF_TEST
#ifndef RF_TEST
#define RX_SKIP_ENABLE
//#define RX_SKIP_SEC2_DBG
//#define TX_SKIP_DISABLE
#endif //RF_TEST

#define MAX_SLAVE_W_TX_NUM  4
#define MAX_LINK_LOSS_ERR   16       
#define NO_PT_END_TIME      0xFFFF

#define SLOT_TX         0
#define SLOT_RX         1
#define SLOT_IDLE       2



#ifdef RF_TEST

#define OPTEK_LINK_MAX_CH 8

const uint8_t optek_link_rf_test_ch[OPTEK_LINK_MAX_CH] =
{
0,12,24,16,22,28,32,36
};

#else

#define OPTEK_LINK_MAX_CH 37

#endif


/*
*       Optek Wireless Link 2.0 => Optek Link 2.0
*
*       Wireless Application music/voice/IoT/control system
*       Low Latency, input point to output point min delay < 10ms
*       Broadcast, no limitation for rx devices
*       Multi Connection with Low latency, 255 devices
*       Multi Connection with Long Rang (LE LR RF/baseband) and without low latency, 65535 devices 
*/
enum {
    GAME_HEADPHONE_PT_5MS_LP                    = 0,    /*game headphone, min delay 12.5ms, tx 6 slots(sf48k), rx 2 slots(sf24k,total 4 slots), run 32Mhz*/
    GAME_HEADPHONE_PT7P5MS_T7R3E                = 72,   /*game headphone, min delay (17.5ms-rx_time), tx 7 slots(sf48k), rx 3 x 2 slots(sf24k)*/
    GAME_HEADPHONE_PT7P5MS_T6R4Ex2              = 73,   /*game headphone, min delay (17.5ms-rx_time), tx 6 slots(sf24k), rx 2 x 2 x 2 (ext) slots(sf24k)*/
    WIRELESS_MIC_PT2P5MS_LP                     = 1,    /*wireless mic, sample freq 48k, min delay 7.5ms, 1 mics, t7, run 32Mhz*/
    WIRELESS_MIC_PT5MS_LP                       = 2,    /*witeless mic, sample freq 48k, min delay 12.5ms, 2 mics, t10, run 32MHz*/
    
    BC_SF48K_PT2P5MS                            = 7,    /*audio boradcast, sample freq 48k, min delay 7.5ms, tx6*/
    BC_SF44K_PT2P5MS                            = 8,    /*audio boradcast, sample freq 44.1k,min delay 7.5ms+, tx6+*/
    BC_SF32K_PT2P5MS                            = 9,    /*audio boradcast, sample freq 32k,min delay 7.5ms+, tx6+*/
    BC_SF48K_PT5MS                              = 10,   /*audio boradcast, sample freq 48k,min delay 12.5ms, tx8*/
    BC_SF48K_T7_PT5MS_LP                        = 11,   /*audio boradcast, sample freq 48k,min delay 12.5ms, tx7, run 32MHz*/
    BC_SF44K_PT5MS                              = 12,   /*audio boradcast, sample freq 44.1k,min delay 12.5ms+,, tx8+*/
    BC_SF32K_PT5MS                              = 13,   /*audio boradcast, sample freq 32k,min delay 12.5ms+, tx8+*/
    BC_SF48K_T7_R1_PT5MS                        = 14,   /*audio boradcast, sample freq 48k,min delay 12.5ms, tx7+rx1*/
    BC_SF44K_T7_R1_PT5MS                        = 15,   /*audio boradcast, sample freq 44.1k,min delay 12.5ms+,, tx8+rx1*/
    BC_SF32K_T7_R1_PT5MS                        = 16,   /*audio boradcast, sample freq 32k,min delay 12.5ms+, tx7+rx1*/

    BC_SF48K_SBC_PT5MS                          = 17,    /*audio boradcast with sbc codec, sample freq 48k, min delay 10ms, tx5*/
    BC_SF44K_SBC_PT5MS                          = 18,    /*audio boradcast with sbc codec, sample freq 44k, min delay 10ms, tx6*/
    BC_SF32K_SBC_PT5MS                          = 19,    /*audio boradcast with sbc codec, sample freq 32k, min delay 10ms, tx6*/

    SUBW_SF48K_PT2P5MS                          = 20,   /*subw application for sf48K, min delay  5ms, tx7/rx1 or tx3/rx1*/
    SUBW_SF44K_PT2P5MS                          = 21,   /*subw application for sf44K, min delay  5ms*(48/44.1), tx7/rx1 or tx3/rx1*/
    SUBW_SF32K_PT2P5MS                          = 22,   /*subw application for sf 32k, min delay 5ms*(48/32), tx7/rx1 or tx3/rx1*/
    TWS_SUBW_SF48K_PT5MS                        = 23,   /*tws or subw application for sf48K, min delay 10ms, tx10/rx1 or tx3/rx1*/
    TWS_SUBW_SF44K_PT5MS                        = 24,   /*tws or sybw application for sf44K, min delay 10ms*(48/44.1), tx10/rx1 or tx3/rx1*/
    TWS_SUBW_SF32K_PT5MS                        = 25,   /*tws or subw application for sf 32k, min delay 10ms*(48/32), tx10/rx1 or tx3/rx1*/
    
    TWS_SUBW_W_BT_SF48K                         = 26,   /*tws or subw application in bt music for sf48k, tx7/rx1 or tx3/rx1*/
    TWS_SUBW_W_BT_SF44K                         = 27,   /*tws or subw application in bt music for sf44k, tx7/rx1 or tx3/rx1*/
    IDLE_W_BT                                   = 28,   /*idle in bt music,  tx1/rx1*/
    
    BC_MONO_W_BT_SF48K                          = 29,   /*bc application in bt music for sf48k, tx7*/
    BC_MONO_W_BT_SF44K                          = 30,   /*bc application in bt music for sf44k, tx7*/
    BC_MONO_SF48K_PT5MS                         = 59,   /*tws or subw application for sf48K, same with WIRELESS_MIC_PT5MS_T11_LP, min delay 12.5 ms, tx11*/
    BC_MONO_SF44K_PT5MS                         = 31,   /*tws or sybw application for sf44K, min delay 10ms, min delay 12.5 *(48/44.1) ms, tx11*/
    BC_MONO_SF32K_PT5MS                         = 32,   /*tws or subw application for sf 32k, min delay 10ms, min delay 12.5 * (48/44.1) ms, tx11*/

    TWS_SUBW_W_BT_T6_SF48K                      = 33,   /*tws or subw application in bt music for sf48k, tx6/rx1 or tx2/rx1*/
    TWS_SUBW_W_BT_T6_SF44K                      = 34,   /*tws or subw application in bt music for sf44k, tx6/rx1 or tx2/rx1*/
    BC_MONO_W_BT_T6_SF48K                       = 35,   /*bc application in bt music for sf48k, tx6*/
    BC_MONO_W_BT_T6_SF44K                       = 36,   /*bc application in bt music for sf44k, tx6*/

    TWS_SUBW_W_BT_T5_SF48K                      = 37,   /*tws or subw application in bt music for sf48k, tx5/rx1 or tx2/rx1*/
    TWS_SUBW_W_BT_T5_SF44K                      = 38,   /*tws or subw application in bt music for sf44k, tx5/rx1 or tx2/rx1*/
    BC_MONO_W_BT_T5_SF48K                       = 39,   /*bc application in bt music for sf48k, tx5*/
    BC_MONO_W_BT_T5_SF44K                       = 40,   /*bc application in bt music for sf44k, tx5*/

    //SUBW_SF48K44K_PT5MS                         = 22,   /*subw application for sf48K and sf44k, bt page scan can be enabled, min delay 7.5ms, tx7*/
    //SUBW_SF32K_PT5MS                            = 23,   /*subw application for sf 32k, min delay 10ms, bt page scan can be enabled, tx7*/
    //SUBW_W_BT_T7_SF48K                          = 24,   /*subw application in bt music for sf48k,  16.09ms free/22.5ms, tx7*/
    //SUBW_W_BT_T6_SF48K                          = 25,   /*subw application in bt music for sf48k,  17.02ms free/22.5ms, tx6*/
    //SUBW_W_BT_T7_SF44K                          = 26,   /*subw application in bt music for sf44k,  18.48ms free/25ms, tx7*/
    //SUBW_W_BT_T6_SF44K                          = 27,   /*subw application in bt music for sf44k,  19.42ms free/25ms, tx6*/
    //SUBW_W_BT_SF32K                             = 28,   /*subw application in bt music for sf32k,  27.34ms free/33.75ms, tx7*/

    //BC_W_BT_T4_SF48K                            = 29,   /*audio boradcast in bt for sf48k, 15.43 free/25, min mixing delay 52.5ms, tx5*/
    //BC_W_BT_T4_SF44K                            = 30,   /*audio boradcast in bt for sf44k, 17.64 free/27.2, min mixing delay 57.5ms,tx5*/
    //BC_W_BT_T5_SF48K                            = 31,   /*audio boradcast in bt for sf48k, 13.02 free/25, min mixing delay 52.5ms, tx5*/
    //BC_W_BT_T5_SF44K                            = 32,   /*audio boradcast in bt for sf44k, 15.23 free/27.2, min mixing delay 57.5ms, tx5*/
    //BC_W_BT_T6_SF48K                            = 33,   /*audio boradcast in bt for sf48k, 10.81 free/25, min mixing delay 52.5ms, tx6*/
    //BC_W_BT_T6_SF44K                            = 34,   /*audio boradcast in bt for sf44k, 12.82 free/27.2, min mixing delay 57.5ms, tx5*/
    //BC_W_BT_SF32K                               = 35,   /*audio boradcast in bt for sf48k, 23.11 free/37.5, tx6*/

    //BC_W_BT_MONO_T6_SF48K                       = 36,   /*audio mono boradcast in bt for sf48k, 17.84 free/25, min mixing delay 52.5ms, tx8*/
    //BC_W_BT_MONO_T7_SF48K                       = 37,   /*audio mono boradcast in bt for sf48k, 16.63 free/25, min mixing delay 52.5ms, tx8*/
    //BC_W_BT_MONO_T8_SF48K                       = 38,   /*audio mono boradcast in bt for sf48k, 15.43 free/25, min mixing delay 52.5ms, tx8*/
    //BC_W_BT_MONO_T6_SF44K                       = 39,   /*audio boradcast in bt for sf44k, 20.05 free/27.2, min mixing delay 57.5ms, tx5*/
    //BC_W_BT_MONO_T7_SF44K                       = 40,   /*audio boradcast in bt for sf44k, 18.84 free/27.2, min mixing delay 57.5ms, tx5*/
    //BC_W_BT_MONO_T8_SF44K                       = 41,   /*audio boradcast in bt for sf44k, 17.64 free/27.2, min mixing delay 57.5ms, tx5*/
    //BC_W_BT_MONO_SF32K                          = 42,   /*audio boradcast in bt for sf48k, 27.93 free/37.5, tx6*/

    HUB_MIC_HEADPHONE_MONO_SF24K_PT5MS          = 43,   /*one mono headphone, one mic, min delay 12.5ms, sample freq 24k, tx7, rx7, run 32MHz*/              
    HUB_MICx2_HEADPHONE_MONO_SF24K_PT5MS        = 44,   /*one mono headphone, two mics, min delay 12.5ms, sample freq 24k,tx5,rx5,rx5*/                     /*pri high*/
    HUB_MIC_HEADPHONE_MONO_SF48K_PT5MS          = 45,   /*one mono headphone, one mic, min delay 12.5ms, sample freq 48k, tx6, rx6*/
    HUB_MIC_HEADPHONE_SF48K_PT5MS               = 46,   /*one stereo headphone, one mic, min delay 12.5ms, sample freq 48k, tx5, rx5*/                      /*pri high*/
    HUB_MICx2_HEADPHONE_SF48K_PT5MS             = 47,   /*one stereo headphone, one mic, min delay 12.5ms, sample freq 48k, tx4,rx4,rx4, 64bps*/
    HUB_MICx2_HEADPHONE_MONO_SF48K_PT5MS        = 48,   /*one mono headphone, two mic, min delay 12.5ms, sample freq 48k, tx5, rx4, rx4*/
    HUB_MICx2_SF24K_MONO_SPK_SF48K_PT5MS        = 49,   /*one mono sf48k spk, two sf24k mics, min delay 12.5ms, sample freq 48k, tx5,rx5,rx5, 80bps*/       /*pri high*/

    HUB_MULTI_MICx2_SF24K_MONO_SPK_SF48K_PT5MS  = 50,   /*one mono sf48k spk, two sf24k mics, min delay 12.5ms, sample freq 48k, tx5,rx5,rx5, tx 80bps, rx 72bps, fifo for N mic*/

    MULTI_MIC_SF24K_3_PT7P5MS                     = 51,   /*multi mic, sample freq 24k, min delay 12.5ms, total 17 slots, 3 mic x 5 slots tx, control 1 tx /1 rx, fifo for N mic*/             
    MULTI_MIC_SF24K_3_PT10MS                    = 52,   /*multi mic, sample freq 24k, min delay 12.5ms, total 17 slots, 3 mic x 7 slots tx, control 1 tx /1 rx, fifo for N mic*/     

    MULTI_MICx3_SF24K_PT5MS                     = 53,   /*multi mic, sample freq 24k, min delay 12.5ms, total 17 slots, 3 mic x 5 slots tx*/             
    MULTI_MICx3_SF24K_PT10MS                    = 54,   /*multi mic, sample freq 24k, min delay 22.5ms, total 21 slots, 3 mic x 7 slots tx*/             
    MULTI_MICx3_SF24K_PT7P5MS                    = 55,   /*multi mic, sample freq 24k, min delay 22.5ms, total 21 slots, 3 mic x 6 slots tx*/    

    BT_SHARED_CONNN                              = 57,  /*tx1*/
    BT_SHARED_CONNN_2                            = 58,  /*tx1/rx1*/

    WIRELESS_MIC_PT5MS_T11_LP                   = 59,   /*wireless mic for sf48K, same with min delay 12.5 ms, tx11*/   

    
    BC_SF48K_T5_R1_PT2P5MS                      = 60,    /*audio boradcast, sample freq 48k, min delay 7.5ms, tx5/rx1*/
    BC_SF44K_T5_R1_PT2P5MS                      = 61,    /*audio boradcast, sample freq 44.1k,min delay 7.5ms+, tx5/rx1*/
    BC_SF32K_T5_R1_PT2P5MS                      = 62,    /*audio boradcast, sample freq 32k,min delay 7.5ms+, tx5/rx1*/
    BC_SF48K_PT2P5MS_LP                         = 63,    /*audio boradcast, sample freq 48k, min delay 7.5ms, tx5, run 32MHz*/

    BC_SF48K_SBC_PT2P5MS                        = 64,   /*audio boradcast with sbc codec, sample freq 48k, min delay 5ms, tx4*/
    BC_SF44K_SBC_PT2P5MS                        = 65,   /*audio boradcast with sbc codec, sample freq 44k, min delay 5ms, tx5*/
    BC_SF32K_SBC_PT2P5MS                        = 66,   /*audio boradcast with sbc codec, sample freq 32k, min delay 5ms, tx5*/ 

    BC_SF48K_PT10MS                              = 67,
    BC_SF44K_PT10MS                              = 68,    
    BC_SF32K_PT10MS                              = 69,    
    HUB_MIC_HEADPHONE_MONO_SF24K_PT10MS          = 70,
    HUB_MIC_MONO_SF24K_PT10MS                    = 71,    
    HUB_MIC_HEADPHONE_SF46p875K_PT5MS            = 75,  /*one stereo headphone, one mic, min delay 12.74ms, sample freq 46.875k, tx5, rx5*/
    HUB_HEADPHONE_SF46p875K_PT5MS                = 82,   /*audio boradcast, sample freq 46.875k, min delay 15ms, tx8*/

    MIC_SF44K_SBC_PT2P5MS                        = 76,   /*audio (mic) boradcast with sbc codec, sample freq 44k, min delay 5*(48/44.1)ms, tx6*/
    BC_SF48K_PT7P5MS                             = 77,   /*audio boradcast, sample freq 48k, min delay 15ms, tx10, run 32MHz*/

    /* test 5 meter away, 80% 1st rx, 16% 2nd rx, 3rd 2%, oters 2%*/ 
    WIRELESS_MIC_PT2P5MS_T7R1                    = 78,    /*wireless mic, sample freq 48k, min delay 7.5ms, 1 mics, tx7/rx1, run 32Mhz*/
    WIRELESS_MIC_PT5MS_T10_R2_LP                 = 79,   /*wireless mic for sf48K, same with min delay 12.5 ms, tx10/rx2*/
    WIRELESS_MIC_PT5MS_T9_R2_LP                  = 84,   /*wireless mic for sf48K, same with min delay 12.5 ms, tx9/rx2*/
    


    /* test 5 meter away, 80% 1st rx, 16% 2nd rx, 3rd 2%, oters 2%*/ 
    
    //the following mode, one mic need one rx chip, two mic need two rx chips (all chips are synced with one rx master)
    WIRELESS_MIC_48K_PT2P5MS_T7R1M                = 3,   /*wireless mic, sample freq 48k, min delay 7.5ms, 1 mics, 2 mics need 2 rx chip, tx7/rx1 master*/
    WIRELESS_MIC_44K_PT2P5MS_T7R1M                = 4,   /*wireless mic, sample freq 44k, min delay 8.2ms, 1 mics, 2 mics need 2 rx chip, tx7/rx1 master*/    
    WIRELESS_MIC_48K_PT5MS_T10_R2M_LP             = 5,   /*wireless mic, sample freq 48K, min delay 12.5 ms, 1 mics, 2 mics need 2 rx chip, tx10/rx2 master*/
    WIRELESS_MIC_44K_PT5MS_T10_R2M_LP             = 6,   /*wireless mic, sample freq 44K, min delay 13.6 ms, 1 mics, 2 mics need 2 rx chip, tx10/rx2 master*/

    //WIRELESS_MIC_48K_PT5MS_T11_R2M                = 85,  /*wireless mic, sample freq 48K, min delay 12.5 ms, 1 mics, 2 mics need 2 rx chip, tx11/rx2 master*/
    //WIRELESS_MIC_44K_PT5MS_T11_R2M                = 86,  /*wireless mic, sample freq 44K, min delay 13.6 ms, 1 mics, 2 mics need 2 rx chip, tx11/rx2 master*/
    //WIRELESS_MIC_48K_PT7P5MS_T14_R2M_LP           = 87,  /*wireless mic, sample freq 48K, min delay 17.5 ms, 1 mics, 2 mics need 2 rx chip, tx14/rx2 master*/
    //WIRELESS_MIC_44K_PT7P5MS_T14_R2M_LP           = 88,  /*wireless mic, sample freq 44K, min delay 19.06 ms, 1 mics, 2 mics need 2 rx chip, tx14/rx2 master*/

    //the following mode, one rx chip support 2 mics
    //WIRELESS_MICx2_48K_PT5MS_T6_T6_R1M_LP         = 89,  /*wireless mic, sample freq 48K, min delay 12.5 ms, 2 mics, tx6tx6/rx2*/
    //WIRELESS_MICx2_44K_PT5MS_T6_T6_R1M_LP         = 90,  /*wireless mic, sample freq 44K, min delay 12.5 ms, 2 mics, tx6tx6/rx2*/

    WIRELESS_MICx2_48K_PT7P5MS_T7T7_R2M            = 91,  /*wireless mic, sample freq 48K, min delay 17.5 ms, 2 mics, tx7tx7/rx2*/
    WIRELESS_MICx2_44K_PT7P5MS_T7T7_R2M            = 92,  /*wireless mic, sample freq 44K, min delay 19.06 ms, 2 mics, tx7tx7/rx2*/

    WIRELESS_MICx2_24K_PT5MS_T7T7_R2M_LP            = 93,  /*wireless mic, sample freq 48K, min delay 12.5 ms, 2 mics, tx7tx7/rx2*/
    WIRELESS_MICx2_24K_PT7P5MS_T9T9_R2M_LP          = 94,  /*wireless mic, sample freq 48K, min delay 17.5 ms, 2 mics, tx9tx9/rx2*/
    WIRELESS_MICx2_24K_PT10MS_T11T11_R2M_LP         = 95,  /*wireless mic, sample freq 48K, min delay 22.5 ms, 2 mics, tx11tx11/rx2*/    
    WIRELESS_MICx3_48K_PT10MS_T7TT7T7_R2T1M_LP      = 96,

    BC_SF48K_PT5MS_TX7                              = 97,   /*audio boradcast, sample freq 48k,min delay 12.5ms, tx7*/
    BC_SF48K_PT5MS_TX6                              = 98,   /*audio boradcast, sample freq 48k,min delay 12.5ms, tx6*/

    BC_SF48K_T7_S2_PT5MS                            = 99,   /*audio boradcast, sample freq 48k,min delay 12.5ms, tx7+s1rx1+s2rx1*/


    OPTEK_LINK_MODE_MAX                             = 100,
};

enum {
    OPTEK_LINK_MASTER           =   0,
    OPTEK_LINK_SLAVE           =   1,
    OPTEK_LINK_SCAN             =   2,
    OPTEK_LINK_SLAVE_SYNCED    =   3,
};

#define OPTEK_LINK_H1						0x01			/*for multi conn*/
#define OPTEK_LINK_H2						0x02			/*for shared conn ack/nack*/

#define MAX_BC_NUM  32

//#define DYN_0p5us_CN

#define MAX_FRAMES      4

/// Time information
/*@TRACE*/
typedef struct
{
    /// Integer part of the time (in half-slot)
    uint32_t hs;
    /// Fractional part of the time (in half-us) (range: 0-624)
    uint32_t hus;
} rwip_time_t;

struct optek_link_tag
{
    uint8_t link_role;
    uint8_t link_mode;
    uint8_t link_mode_req;
    uint8_t link_mode_req_en;
    uint8_t link_pri;
    uint8_t link_pri_req;

    uint8_t slave_master_n;             /*0->master, 1->slave*/    
    uint8_t slave_syned;
    uint8_t scan;                       /*in scan phase*/

    uint8_t full_band;
    uint8_t sch_index;

    uint8_t ch_ind;

    uint8_t bc_num;                     /*total tx/rx slots, shoud < MAX_BC_NUM*/    
    uint8_t bc_index;                   /*current tx/rx slot in bc_num*/
    
    uint8_t slave_bc_num;
    uint8_t slave_bc_index;
    uint8_t slave_bc_ext_frame;          /*slave bc frame more than 1 packet time*/         

    uint8_t tx_data_len;
    uint8_t tx_data_req;
	
    uint16_t bc_index_offset[MAX_BC_NUM];
    uint16_t tx_rx_len[MAX_BC_NUM];
    uint16_t max_slave_rx_len;

    uint16_t max_master_rx_len;

    uint8_t rx_tx_n[MAX_BC_NUM];

    uint8_t channel[OPTEK_LINK_MAX_CH];
    uint8_t chan_size;

    uint8_t aa [4];                     /*access code based on bt addr*/

    uint8_t public_addr[6];
    //uint8_t public_addr_present;

    uint8_t logic_conn_addr;                    //multi link multi conn ( >2 ), 0xFF->dynamic     
    uint8_t logic_addr;                         //multi link multi conn ( >2 ), logic addr. 0->only rx, 0xFF->dynamic, max 4     
    uint8_t slave_rx_all;                       //multi link multi conn ( > 2), rx all packet
    uint8_t rx_skip_disable;                    //test for slot timing 

    uint8_t dynamic_intv_table[MAX_DYNAMIC_INTV_SIZE];
    uint8_t dynamic_intv_index;    
    uint8_t dynamic_intv_size;

    uint8_t *tx_data;
    uint8_t *tx_ae_header_data;


    uint8_t paring_en;
    uint8_t paring_ind;
    uint8_t paring_percentage;
    uint8_t paring_percentage_tick;    
    uint16_t paring_time;
    uint16_t paring_ticks;

    uint8_t polling;

    uint8_t paring_group[3];            //crc

    uint8_t tx_power;
    uint8_t paring_power;

    uint8_t tx_skip;
    uint8_t rx_skip;
    //uint8_t rx_master_sect_2_skip;
    uint8_t rx_ext_skip[MAX_FRAMES];
    uint8_t max_rx_len[MAX_BC_NUM];
    uint8_t max_tx_len[MAX_BC_NUM];

    uint8_t rx_ext_cn;

    rwip_time_t intv;


    uint16_t scan_interval;
    uint16_t scan_window;
    uint16_t scan_start_random;

    uint8_t synced_1st;
    uint8_t link_end_req;

    uint8_t master_sect_1_end;
    uint8_t master_sect_2_start;                     //master sect 1 and last must be master tx slot

    uint8_t slave_tx_start;
    uint8_t interface;                              //one frame, txrxtx

    //uint8_t paring_num;
    uint32_t rx_err;
    uint16_t slave_rx_err;
    uint8_t slave_rx_mode_err;

    uint16_t master_rx_err[MAX_SLAVE_W_TX_NUM];
    uint16_t master_rx_frame_end[MAX_SLAVE_W_TX_NUM];
    uint8_t master_tx_skip[MAX_SLAVE_W_TX_NUM];    
    uint8_t master_link_status;
    uint8_t slave_rx_status_mask_bit;

    //for slave sync with master
    uint8_t  slot_index_0_boundary;          //slot is exactly 2.5ms * N
    uint8_t  last_rssi;
    uint8_t  rxsync_1st_present;

    uint32_t base_cnt_rxsync_1st;
    uint16_t fine_cnt_rxsync_1st;
    uint32_t base_cnt_rxsync_last;
    uint16_t fine_cnt_rxsync_last;

#ifdef DYN_0p5us_CN
    int16_t adjust_0p5us_cn_1st;
    int16_t adjust_0p5us_cn_last;
#endif

    int32_t swap_cn;

    //master tx  dymanic sync with external audio source (usb/optical/slave i2s)
    int8_t dynamic_sync;                   //0->no bynamic sync, 1->+0.5us, -1->0.5us
    uint8_t sync_step;
    uint16_t sync_int;
    uint16_t sync_int_cnt;
    uint32_t sync_frac;
    uint32_t sync_frac_cnt;
#ifdef DYN_0p5us_CN
    int16_t adjust_0p5us_cn;
#endif

    uint8_t frac_ov;

    uint32_t duration_min;
    uint32_t duration_min_w_rx_resp;

    uint8_t rx_resp;                //need slave to send rx_resp, 0->rx not secc, others->rx succ and skip slots
    uint8_t sched_shrink;           //if rx_resp = 1, shrink tx slot depends on rx  


    uint8_t rx_buf;                 //store rx info
    uint8_t rx_len;

    //for multi mics
    uint8_t max_mics;
};


#define BLE_PREFETCH_TIME_US       (90)             //based on test, run 64Mhz/sdram debug, 85usng, 86ok
#define BLE_PREFETCHABORT_TIME_US  (BLE_PREFETCH_TIME_US+30)


/// Margin for event time reservation (in half-us)
#define BLE_RESERVATION_TIME_MARGIN_HUS    (2 * BLE_PREFETCHABORT_TIME_US)

#endif