/**
  ******************************************************************************
  * @file    usb_regs.h
  * @author  NONE
  * @version NONE
  * @date    NONE
  * @brief   NONE
  ******************************************************************************/


/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __USB_REGS_H
#define __USB_REGS_H

/* Includes ------------------------------------------------------------------*/
/* Exported types ------------------------------------------------------------*/
typedef enum _EP_DBUF_DIR
{
    /* double buffered endpoint direction */
    EP_DBUF_ERR,
    EP_DBUF_OUT,
    EP_DBUF_IN
} EP_DBUF_DIR;

/* endpoint buffer number */
enum EP_BUF_NUM
{
    EP_NOBUF,
    EP_BUF0,
    EP_BUF1
};

/* Exported constants --------------------------------------------------------*/
#define RegBase (0x40005C00L) /* USB_IP Peripheral Registers base address */
#define PMAAddr (0x40006000L) /* USB_IP Packet Memory Area base address   */

/******************************************************************************/
/*                         General registers                                  */
/******************************************************************************/

/* Control register */
#define CNTR ((__IO unsigned *)(RegBase + 0x40))
/* Interrupt status register */
#define ISTR ((__IO unsigned *)(RegBase + 0x44))
/* Frame number register */
#define FNR ((__IO unsigned *)(RegBase + 0x48))
/* Device address register */
#define DADDR ((__IO unsigned *)(RegBase + 0x4C))
/* Buffer Table address register */
#define BTABLE ((__IO unsigned *)(RegBase + 0x50))

#define DP_PUUP *((__IO unsigned *)(RegBase + 0x54))

/******************************************************************************/
/*                         Endpoint registers                                 */
/******************************************************************************/
#define EP0REG ((__IO unsigned *)(RegBase)) /* endpoint 0 register address */

/* Endpoint Addresses (w/direction) */
#define EP0_OUT ((uint8_t)0x00)
#define EP0_IN  ((uint8_t)0x80)
#define EP1_OUT ((uint8_t)0x01)
#define EP1_IN  ((uint8_t)0x81)
#define EP2_OUT ((uint8_t)0x02)
#define EP2_IN  ((uint8_t)0x82)
#define EP3_OUT ((uint8_t)0x03)
#define EP3_IN  ((uint8_t)0x83)
#define EP4_OUT ((uint8_t)0x04)
#define EP4_IN  ((uint8_t)0x84)
#define EP5_OUT ((uint8_t)0x05)
#define EP5_IN  ((uint8_t)0x85)
#define EP6_OUT ((uint8_t)0x06)
#define EP6_IN  ((uint8_t)0x86)
#define EP7_OUT ((uint8_t)0x07)
#define EP7_IN  ((uint8_t)0x87)

/* endpoints enumeration */
#define ENDP0 ((uint8_t)0)
#define ENDP1 ((uint8_t)1)
#define ENDP2 ((uint8_t)2)
#define ENDP3 ((uint8_t)3)
#define ENDP4 ((uint8_t)4)
#define ENDP5 ((uint8_t)5)
#define ENDP6 ((uint8_t)6)
#define ENDP7 ((uint8_t)7)

/******************************************************************************/
/*                       ISTR interrupt events                                */
/******************************************************************************/
#define ISTR_CTR   (0x8000) /* Correct TRansfer (clear-only bit) */
#define ISTR_DOVR  (0x4000) /* DMA OVeR/underrun (clear-only bit) */
#define ISTR_ERR   (0x2000) /* ERRor (clear-only bit) */
#define ISTR_WKUP  (0x1000) /* WaKe UP (clear-only bit) */
#define ISTR_SUSP  (0x0800) /* SUSPend (clear-only bit) */
#define ISTR_RESET (0x0400) /* RESET (clear-only bit) */
#define ISTR_SOF   (0x0200) /* Start Of Frame (clear-only bit) */
#define ISTR_ESOF  (0x0100) /* Expected Start Of Frame (clear-only bit) */


#define ISTR_DIR   (0x0010)     /* DIRection of transaction (read-only bit)  */
#define ISTR_EP_ID (0x000F)     /* EndPoint IDentifier (read-only bit)  */

#define CLR_CTR   (~ISTR_CTR)   /* clear Correct TRansfer bit */
#define CLR_DOVR  (~ISTR_DOVR)  /* clear DMA OVeR/underrun bit*/
#define CLR_ERR   (~ISTR_ERR)   /* clear ERRor bit */
#define CLR_WKUP  (~ISTR_WKUP)  /* clear WaKe UP bit     */
#define CLR_SUSP  (~ISTR_SUSP)  /* clear SUSPend bit     */
#define CLR_RESET (~ISTR_RESET) /* clear RESET bit      */
#define CLR_SOF   (~ISTR_SOF)   /* clear Start Of Frame bit   */
#define CLR_ESOF  (~ISTR_ESOF)  /* clear Expected Start Of Frame bit */

/******************************************************************************/
/*             CNTR control register bits definitions                         */
/******************************************************************************/
#define CNTR_CTRM   (0x8000) /* Correct TRansfer Mask */
#define CNTR_DOVRM  (0x4000) /* DMA OVeR/underrun Mask */
#define CNTR_ERRM   (0x2000) /* ERRor Mask */
#define CNTR_WKUPM  (0x1000) /* WaKe UP Mask */
#define CNTR_SUSPM  (0x0800) /* SUSPend Mask */
#define CNTR_RESETM (0x0400) /* RESET Mask   */
#define CNTR_SOFM   (0x0200) /* Start Of Frame Mask */
#define CNTR_ESOFM  (0x0100) /* Expected Start Of Frame Mask */


#define CNTR_RESUME (0x0010) /* RESUME request */
#define CNTR_FSUSP  (0x0008) /* Force SUSPend */
#define CNTR_LPMODE (0x0004) /* Low-power MODE */
#define CNTR_PDWN   (0x0002) /* Power DoWN */
#define CNTR_FRES   (0x0001) /* Force USB RESet */

/******************************************************************************/
/*                FNR Frame Number Register bit definitions                   */
/******************************************************************************/
#define FNR_RXDP (0x8000) /* status of D+ data line */
#define FNR_RXDM (0x4000) /* status of D- data line */
#define FNR_LCK  (0x2000) /* LoCKed */
#define FNR_LSOF (0x1800) /* Lost SOF */
#define FNR_FN   (0x07FF) /* Frame Number */
/******************************************************************************/
/*               DADDR Device ADDRess bit definitions                         */
/******************************************************************************/
#define DADDR_EF  (0x80)
#define DADDR_ADD (0x7F)
/******************************************************************************/
/*                            Endpoint register                               */
/******************************************************************************/
/* bit positions */
#define EP_CTR_RX    (0x8000) /* EndPoint Correct TRansfer RX */
#define EP_DTOG_RX   (0x4000) /* EndPoint Data TOGGLE RX */
#define EPRX_STAT    (0x3000) /* EndPoint RX STATus bit field */
#define EP_SETUP     (0x0800) /* EndPoint SETUP */
#define EP_T_FIELD   (0x0600) /* EndPoint TYPE */
#define EP_KIND      (0x0100) /* EndPoint KIND */
#define EP_CTR_TX    (0x0080) /* EndPoint Correct TRansfer TX */
#define EP_DTOG_TX   (0x0040) /* EndPoint Data TOGGLE TX */
#define EPTX_STAT    (0x0030) /* EndPoint TX STATus bit field */
#define EPADDR_FIELD (0x000F) /* EndPoint ADDRess FIELD */

/* EndPoint REGister MASK (no toggle fields) */
#define EPREG_MASK (EP_CTR_RX | EP_SETUP | EP_T_FIELD | EP_KIND | EP_CTR_TX | EPADDR_FIELD)

/* EP_TYPE[1:0] EndPoint TYPE */
#define EP_TYPE_MASK   (0x0600) /* EndPoint TYPE Mask */
#define EP_BULK        (0x0000) /* EndPoint BULK */
#define EP_CONTROL     (0x0200) /* EndPoint CONTROL */
#define EP_ISOCHRONOUS (0x0400) /* EndPoint ISOCHRONOUS */
#define EP_INTERRUPT   (0x0600) /* EndPoint INTERRUPT */
#define EP_T_MASK      (~EP_T_FIELD & EPREG_MASK)


/* EP_KIND EndPoint KIND */
#define EPKIND_MASK (~EP_KIND & EPREG_MASK)

/* STAT_TX[1:0] STATus for TX transfer */
#define EP_TX_DIS     (0x0000) /* EndPoint TX DISabled */
#define EP_TX_STALL   (0x0010) /* EndPoint TX STALLed */
#define EP_TX_NAK     (0x0020) /* EndPoint TX NAKed */
#define EP_TX_VALID   (0x0030) /* EndPoint TX VALID */
#define EPTX_DTOG1    (0x0010) /* EndPoint TX Data TOGgle bit1 */
#define EPTX_DTOG2    (0x0020) /* EndPoint TX Data TOGgle bit2 */
#define EPTX_DTOGMASK (EPTX_STAT | EPREG_MASK)

/* STAT_RX[1:0] STATus for RX transfer */
#define EP_RX_DIS     (0x0000) /* EndPoint RX DISabled */
#define EP_RX_STALL   (0x1000) /* EndPoint RX STALLed */
#define EP_RX_NAK     (0x2000) /* EndPoint RX NAKed */
#define EP_RX_VALID   (0x3000) /* EndPoint RX VALID */
#define EPRX_DTOG1    (0x1000) /* EndPoint RX Data TOGgle bit1 */
#define EPRX_DTOG2    (0x2000) /* EndPoint RX Data TOGgle bit1 */
#define EPRX_DTOGMASK (EPRX_STAT | EPREG_MASK)
/* Exported macro ------------------------------------------------------------*/
/* SetCNTR */
#define _SetCNTR(wRegValue) (*CNTR = (uint16_t)wRegValue)

/* SetISTR */
#define _SetISTR(wRegValue) (*ISTR = (uint16_t)wRegValue)

/* SetDADDR */
#define _SetDADDR(wRegValue) (*DADDR = (uint16_t)wRegValue)

/* SetBTABLE */
#define _SetBTABLE(wRegValue) (*BTABLE = (uint16_t)(wRegValue & 0xFFF8))

/* GetCNTR */
#define _GetCNTR() ((uint16_t) * CNTR)

/* GetISTR */
#define _GetISTR() ((uint16_t) * ISTR)

/* GetFNR */
#define _GetFNR() ((uint16_t) * FNR)

/* GetDADDR */
#define _GetDADDR() ((uint16_t) * DADDR)

/* GetBTABLE */
#define _GetBTABLE() ((uint16_t) * BTABLE)

/* SetENDPOINT */
#define _SetENDPOINT(bEpNum, wRegValue) (*(EP0REG + bEpNum) = \
                                             (uint16_t)wRegValue)

/* GetENDPOINT */
#define _GetENDPOINT(bEpNum) ((uint16_t)(*(EP0REG + bEpNum)))

/*******************************************************************************
* Macro Name     : SetEPType
* Description    : sets the type in the endpoint register(bits EP_TYPE[1:0])
* Input          : bEpNum: Endpoint Number. 
*                  wType											 
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _SetEPType(bEpNum, wType) (_SetENDPOINT(bEpNum, \
                                                ((_GetENDPOINT(bEpNum) & EP_T_MASK) | wType)))

/*******************************************************************************
* Macro Name     : GetEPType
* Description    : gets the type in the endpoint register(bits EP_TYPE[1:0]) 
* Input          : bEpNum: Endpoint Number. 
* Output         : None.
* Return         : Endpoint Type
*******************************************************************************/
#define _GetEPType(bEpNum) (_GetENDPOINT(bEpNum) & EP_T_FIELD)

/*******************************************************************************
* Macro Name     : SetEPTxStatus
* Description    : sets the status for tx transfer (bits STAT_TX[1:0]).
* Input          : bEpNum: Endpoint Number. 
*                  wState: new state
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _SetEPTxStatus(bEpNum, wState)                            \
    {                                                             \
        register uint16_t _wRegVal;                               \
        _wRegVal = _GetENDPOINT(bEpNum) & EPTX_DTOGMASK;          \
        /* toggle first bit ? */                                  \
        if ((EPTX_DTOG1 & wState) != 0)                           \
            _wRegVal ^= EPTX_DTOG1;                               \
        /* toggle second bit ?  */                                \
        if ((EPTX_DTOG2 & wState) != 0)                           \
            _wRegVal ^= EPTX_DTOG2;                               \
        _SetENDPOINT(bEpNum, (_wRegVal | EP_CTR_RX | EP_CTR_TX)); \
    } /* _SetEPTxStatus */

/*******************************************************************************
* Macro Name     : SetEPRxStatus
* Description    : sets the status for rx transfer (bits STAT_TX[1:0])
* Input          : bEpNum: Endpoint Number. 
*                  wState: new state.
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _SetEPRxStatus(bEpNum, wState)                            \
    {                                                             \
        register uint16_t _wRegVal;                               \
                                                                  \
        _wRegVal = _GetENDPOINT(bEpNum) & EPRX_DTOGMASK;          \
        /* toggle first bit ? */                                  \
        if ((EPRX_DTOG1 & wState) != 0)                           \
            _wRegVal ^= EPRX_DTOG1;                               \
        /* toggle second bit ? */                                 \
        if ((EPRX_DTOG2 & wState) != 0)                           \
            _wRegVal ^= EPRX_DTOG2;                               \
        _SetENDPOINT(bEpNum, (_wRegVal | EP_CTR_RX | EP_CTR_TX)); \
    } /* _SetEPRxStatus */

/*******************************************************************************
* Macro Name     : SetEPRxTxStatus
* Description    : sets the status for rx & tx (bits STAT_TX[1:0] & STAT_RX[1:0])
* Input          : bEpNum: Endpoint Number. 
*                  wStaterx: new state.
*                  wStatetx: new state.
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _SetEPRxTxStatus(bEpNum, wStaterx, wStatetx)                   \
    {                                                                  \
        register uint32_t _wRegVal;                                    \
                                                                       \
        _wRegVal = _GetENDPOINT(bEpNum) & (EPRX_DTOGMASK | EPTX_STAT); \
        /* toggle first bit ? */                                       \
        if ((EPRX_DTOG1 & wStaterx) != 0)                              \
            _wRegVal ^= EPRX_DTOG1;                                    \
        /* toggle second bit ? */                                      \
        if ((EPRX_DTOG2 & wStaterx) != 0)                              \
            _wRegVal ^= EPRX_DTOG2;                                    \
        /* toggle first bit ? */                                       \
        if ((EPTX_DTOG1 & wStatetx) != 0)                              \
            _wRegVal ^= EPTX_DTOG1;                                    \
        /* toggle second bit ?  */                                     \
        if ((EPTX_DTOG2 & wStatetx) != 0)                              \
            _wRegVal ^= EPTX_DTOG2;                                    \
        _SetENDPOINT(bEpNum, _wRegVal | EP_CTR_RX | EP_CTR_TX);        \
    } /* _SetEPRxTxStatus */
/*******************************************************************************
* Macro Name     : GetEPTxStatus / GetEPRxStatus 
* Description    : gets the status for tx/rx transfer (bits STAT_TX[1:0]
*                  /STAT_RX[1:0])
* Input          : bEpNum: Endpoint Number. 
* Output         : None.
* Return         : status .
*******************************************************************************/
#define _GetEPTxStatus(bEpNum) ((uint16_t)_GetENDPOINT(bEpNum) & EPTX_STAT)

#define _GetEPRxStatus(bEpNum) ((uint16_t)_GetENDPOINT(bEpNum) & EPRX_STAT)

/*******************************************************************************
* Macro Name     : SetEPTxValid / SetEPRxValid 
* Description    : sets directly the VALID tx/rx-status into the enpoint register
* Input          : bEpNum: Endpoint Number. 
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _SetEPTxValid(bEpNum) (_SetEPTxStatus(bEpNum, EP_TX_VALID))

#define _SetEPRxValid(bEpNum) (_SetEPRxStatus(bEpNum, EP_RX_VALID))

/*******************************************************************************
* Macro Name     : GetTxStallStatus / GetRxStallStatus.
* Description    : checks stall condition in an endpoint.
* Input          : bEpNum: Endpoint Number. 
* Output         : None.
* Return         : TRUE = endpoint in stall condition.
*******************************************************************************/
#define _GetTxStallStatus(bEpNum) (_GetEPTxStatus(bEpNum) \
                                   == EP_TX_STALL)
#define _GetRxStallStatus(bEpNum) (_GetEPRxStatus(bEpNum) \
                                   == EP_RX_STALL)

/*******************************************************************************
* Macro Name     : SetEP_KIND / ClearEP_KIND.
* Description    : set & clear EP_KIND bit.
* Input          : bEpNum: Endpoint Number. 
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _SetEP_KIND(bEpNum) (_SetENDPOINT(bEpNum, \
                                          (EP_CTR_RX | EP_CTR_TX | ((_GetENDPOINT(bEpNum) | EP_KIND) & EPREG_MASK))))
#define _ClearEP_KIND(bEpNum) (_SetENDPOINT(bEpNum, \
                                            (EP_CTR_RX | EP_CTR_TX | (_GetENDPOINT(bEpNum) & EPKIND_MASK))))

/*******************************************************************************
* Macro Name     : Set_Status_Out / Clear_Status_Out.
* Description    : Sets/clears directly STATUS_OUT bit in the endpoint register.
* Input          : bEpNum: Endpoint Number. 
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _Set_Status_Out(bEpNum)   _SetEP_KIND(bEpNum)
#define _Clear_Status_Out(bEpNum) _ClearEP_KIND(bEpNum)

/*******************************************************************************
* Macro Name     : SetEPDoubleBuff / ClearEPDoubleBuff.
* Description    : Sets/clears directly EP_KIND bit in the endpoint register.
* Input          : bEpNum: Endpoint Number. 
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _SetEPDoubleBuff(bEpNum)   _SetEP_KIND(bEpNum)
#define _ClearEPDoubleBuff(bEpNum) _ClearEP_KIND(bEpNum)

/*******************************************************************************
* Macro Name     : ClearEP_CTR_RX / ClearEP_CTR_TX.
* Description    : Clears bit CTR_RX / CTR_TX in the endpoint register.
* Input          : bEpNum: Endpoint Number. 
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _ClearEP_CTR_RX(bEpNum) (_SetENDPOINT(bEpNum, \
                                              _GetENDPOINT(bEpNum) & 0x7FFF & EPREG_MASK))
#define _ClearEP_CTR_TX(bEpNum) (_SetENDPOINT(bEpNum, \
                                              _GetENDPOINT(bEpNum) & 0xFF7F & EPREG_MASK))

/*******************************************************************************
* Macro Name     : ToggleDTOG_RX / ToggleDTOG_TX .
* Description    : Toggles DTOG_RX / DTOG_TX bit in the endpoint register.
* Input          : bEpNum: Endpoint Number. 
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _ToggleDTOG_RX(bEpNum) (_SetENDPOINT(bEpNum, \
                                             EP_CTR_RX | EP_CTR_TX | EP_DTOG_RX | (_GetENDPOINT(bEpNum) & EPREG_MASK)))
#define _ToggleDTOG_TX(bEpNum) (_SetENDPOINT(bEpNum, \
                                             EP_CTR_RX | EP_CTR_TX | EP_DTOG_TX | (_GetENDPOINT(bEpNum) & EPREG_MASK)))

/*******************************************************************************
* Macro Name     : ClearDTOG_RX / ClearDTOG_TX.
* Description    : Clears DTOG_RX / DTOG_TX bit in the endpoint register.
* Input          : bEpNum: Endpoint Number. 
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _ClearDTOG_RX(bEpNum)                     \
    if ((_GetENDPOINT(bEpNum) & EP_DTOG_RX) != 0) \
    _ToggleDTOG_RX(bEpNum)
#define _ClearDTOG_TX(bEpNum)                     \
    if ((_GetENDPOINT(bEpNum) & EP_DTOG_TX) != 0) \
    _ToggleDTOG_TX(bEpNum)
/*******************************************************************************
* Macro Name     : SetEPAddress.
* Description    : Sets address in an endpoint register.
* Input          : bEpNum: Endpoint Number.
*                  bAddr: Address. 
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _SetEPAddress(bEpNum, bAddr) _SetENDPOINT(bEpNum, \
                                                  EP_CTR_RX | EP_CTR_TX | (_GetENDPOINT(bEpNum) & EPREG_MASK) | bAddr)

/*******************************************************************************
* Macro Name     : GetEPAddress.
* Description    : Gets address in an endpoint register.
* Input          : bEpNum: Endpoint Number.
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _GetEPAddress(bEpNum) ((uint8_t)(_GetENDPOINT(bEpNum) & EPADDR_FIELD))

#define _pEPTxAddr(bEpNum)  ((uint32_t *)((_GetBTABLE() + bEpNum * 8) * 2 + PMAAddr))
#define _pEPTxCount(bEpNum) ((uint32_t *)((_GetBTABLE() + bEpNum * 8 + 2) * 2 + PMAAddr))
#define _pEPRxAddr(bEpNum)  ((uint32_t *)((_GetBTABLE() + bEpNum * 8 + 4) * 2 + PMAAddr))
#define _pEPRxCount(bEpNum) ((uint32_t *)((_GetBTABLE() + bEpNum * 8 + 6) * 2 + PMAAddr))

/*******************************************************************************
* Macro Name     : SetEPTxAddr / SetEPRxAddr.
* Description    : sets address of the tx/rx buffer.
* Input          : bEpNum: Endpoint Number.
*                  wAddr: address to be set (must be word aligned).
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _SetEPTxAddr(bEpNum, wAddr) (*_pEPTxAddr(bEpNum) = ((wAddr >> 1) << 1))
#define _SetEPRxAddr(bEpNum, wAddr) (*_pEPRxAddr(bEpNum) = ((wAddr >> 1) << 1))

/*******************************************************************************
* Macro Name     : GetEPTxAddr / GetEPRxAddr.
* Description    : Gets address of the tx/rx buffer.
* Input          : bEpNum: Endpoint Number.
* Output         : None.
* Return         : address of the buffer.
*******************************************************************************/
#define _GetEPTxAddr(bEpNum) ((uint16_t) * _pEPTxAddr(bEpNum))
#define _GetEPRxAddr(bEpNum) ((uint16_t) * _pEPRxAddr(bEpNum))

/*******************************************************************************
* Macro Name     : SetEPCountRxReg.
* Description    : Sets counter of rx buffer with no. of blocks.
* Input          : pdwReg: pointer to counter.
*                  wCount: Counter.
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _BlocksOf32(dwReg, wCount, wNBlocks)             \
    {                                                    \
        wNBlocks = wCount >> 5;                          \
        if ((wCount & 0x1f) == 0)                        \
            wNBlocks--;                                  \
        *pdwReg = (uint32_t)((wNBlocks << 10) | 0x8000); \
    } /* _BlocksOf32 */

#define _BlocksOf2(dwReg, wCount, wNBlocks)   \
    {                                         \
        wNBlocks = wCount >> 1;               \
        if ((wCount & 0x1) != 0)              \
            wNBlocks++;                       \
        *pdwReg = (uint32_t)(wNBlocks << 10); \
    } /* _BlocksOf2 */

#define _SetEPCountRxReg(dwReg, wCount)                            \
    {                                                              \
        uint16_t wNBlocks;                                         \
        if (wCount > 62) { _BlocksOf32(dwReg, wCount, wNBlocks); } \
        else { _BlocksOf2(dwReg, wCount, wNBlocks); }              \
    } /* _SetEPCountRxReg */


#define _SetEPRxDblBuf0Count(bEpNum, wCount)    \
    {                                           \
        uint32_t *pdwReg = _pEPTxCount(bEpNum); \
        _SetEPCountRxReg(pdwReg, wCount);       \
    }
/*******************************************************************************
* Macro Name     : SetEPTxCount / SetEPRxCount.
* Description    : sets counter for the tx/rx buffer.
* Input          : bEpNum: endpoint number.
*                  wCount: Counter value.
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _SetEPTxCount(bEpNum, wCount) (*_pEPTxCount(bEpNum) = wCount)
#define _SetEPRxCount(bEpNum, wCount)           \
    {                                           \
        uint32_t *pdwReg = _pEPRxCount(bEpNum); \
        _SetEPCountRxReg(pdwReg, wCount);       \
    }
/*******************************************************************************
* Macro Name     : GetEPTxCount / GetEPRxCount.
* Description    : gets counter of the tx buffer.
* Input          : bEpNum: endpoint number.
* Output         : None.
* Return         : Counter value.
*******************************************************************************/
#define _GetEPTxCount(bEpNum) ((uint16_t)(*_pEPTxCount(bEpNum)) & 0x3ff)
#define _GetEPRxCount(bEpNum) ((uint16_t)(*_pEPRxCount(bEpNum)) & 0x3ff)

/*******************************************************************************
* Macro Name     : SetEPDblBuf0Addr / SetEPDblBuf1Addr.
* Description    : Sets buffer 0/1 address in a double buffer endpoint.
* Input          : bEpNum: endpoint number.
*                : wBuf0Addr: buffer 0 address.
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _SetEPDblBuf0Addr(bEpNum, wBuf0Addr) \
    {                                        \
        _SetEPTxAddr(bEpNum, wBuf0Addr);     \
    }
#define _SetEPDblBuf1Addr(bEpNum, wBuf1Addr) \
    {                                        \
        _SetEPRxAddr(bEpNum, wBuf1Addr);     \
    }

/*******************************************************************************
* Macro Name     : SetEPDblBuffAddr.
* Description    : Sets addresses in a double buffer endpoint.
* Input          : bEpNum: endpoint number.
*                : wBuf0Addr: buffer 0 address.
*                : wBuf1Addr = buffer 1 address.
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _SetEPDblBuffAddr(bEpNum, wBuf0Addr, wBuf1Addr) \
    {                                                   \
        _SetEPDblBuf0Addr(bEpNum, wBuf0Addr);           \
        _SetEPDblBuf1Addr(bEpNum, wBuf1Addr);           \
    } /* _SetEPDblBuffAddr */

/*******************************************************************************
* Macro Name     : GetEPDblBuf0Addr / GetEPDblBuf1Addr.
* Description    : Gets buffer 0/1 address of a double buffer endpoint.
* Input          : bEpNum: endpoint number.
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _GetEPDblBuf0Addr(bEpNum) (_GetEPTxAddr(bEpNum))
#define _GetEPDblBuf1Addr(bEpNum) (_GetEPRxAddr(bEpNum))

/*******************************************************************************
* Macro Name     : SetEPDblBuffCount / SetEPDblBuf0Count / SetEPDblBuf1Count.
* Description    : Gets buffer 0/1 address of a double buffer endpoint.
* Input          : bEpNum: endpoint number.
*                : bDir: endpoint dir  EP_DBUF_OUT = OUT 
*                                      EP_DBUF_IN  = IN 
*                : wCount: Counter value    
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _SetEPDblBuf0Count(bEpNum, bDir, wCount)     \
    {                                                \
        if (bDir == EP_DBUF_OUT)                     \
        /* OUT endpoint */                           \
        {                                            \
            _SetEPRxDblBuf0Count(bEpNum, wCount);    \
        }                                            \
        else if (bDir == EP_DBUF_IN)                 \
            /* IN endpoint */                        \
            *_pEPTxCount(bEpNum) = (uint32_t)wCount; \
    } /* SetEPDblBuf0Count*/

#define _SetEPDblBuf1Count(bEpNum, bDir, wCount)     \
    {                                                \
        if (bDir == EP_DBUF_OUT)                     \
        /* OUT endpoint */                           \
        {                                            \
            _SetEPRxCount(bEpNum, wCount);           \
        }                                            \
        else if (bDir == EP_DBUF_IN)                 \
            /* IN endpoint */                        \
            *_pEPRxCount(bEpNum) = (uint32_t)wCount; \
    } /* SetEPDblBuf1Count */

#define _SetEPDblBuffCount(bEpNum, bDir, wCount)  \
    {                                             \
        _SetEPDblBuf0Count(bEpNum, bDir, wCount); \
        _SetEPDblBuf1Count(bEpNum, bDir, wCount); \
    } /* _SetEPDblBuffCount  */

/*******************************************************************************
* Macro Name     : GetEPDblBuf0Count / GetEPDblBuf1Count.
* Description    : Gets buffer 0/1 rx/tx counter for double buffering.
* Input          : bEpNum: endpoint number.
* Output         : None.
* Return         : None.
*******************************************************************************/
#define _GetEPDblBuf0Count(bEpNum) (_GetEPTxCount(bEpNum))
#define _GetEPDblBuf1Count(bEpNum) (_GetEPRxCount(bEpNum))


/* External variables --------------------------------------------------------*/
extern __IO uint16_t wIstr; /* ISTR register last read value */

/* Exported functions ------------------------------------------------------- */
void        SetCNTR(uint16_t /*wRegValue*/);
void        SetISTR(uint16_t /*wRegValue*/);
void        SetDADDR(uint16_t /*wRegValue*/);
void        SetBTABLE(uint16_t /*wRegValue*/);
void        SetBTABLE(uint16_t /*wRegValue*/);
uint16_t    GetCNTR(void);
uint16_t    GetISTR(void);
uint16_t    GetFNR(void);
uint16_t    GetDADDR(void);
uint16_t    GetBTABLE(void);
void        SetENDPOINT(uint8_t /*bEpNum*/, uint16_t /*wRegValue*/);
uint16_t    GetENDPOINT(uint8_t /*bEpNum*/);
void        SetEPType(uint8_t /*bEpNum*/, uint16_t /*wType*/);
uint16_t    GetEPType(uint8_t /*bEpNum*/);
void        SetEPTxStatus(uint8_t /*bEpNum*/, uint16_t /*wState*/);
void        SetEPRxStatus(uint8_t /*bEpNum*/, uint16_t /*wState*/);
void        SetDouBleBuffEPStall(uint8_t /*bEpNum*/, uint8_t bDir);
uint16_t    GetEPTxStatus(uint8_t /*bEpNum*/);
uint16_t    GetEPRxStatus(uint8_t /*bEpNum*/);
void        SetEPTxValid(uint8_t /*bEpNum*/);
void        SetEPRxValid(uint8_t /*bEpNum*/);
uint16_t    GetTxStallStatus(uint8_t /*bEpNum*/);
uint16_t    GetRxStallStatus(uint8_t /*bEpNum*/);
void        SetEP_KIND(uint8_t /*bEpNum*/);
void        ClearEP_KIND(uint8_t /*bEpNum*/);
void        Set_Status_Out(uint8_t /*bEpNum*/);
void        Clear_Status_Out(uint8_t /*bEpNum*/);
void        SetEPDoubleBuff(uint8_t /*bEpNum*/);
void        ClearEPDoubleBuff(uint8_t /*bEpNum*/);
void        ClearEP_CTR_RX(uint8_t /*bEpNum*/);
void        ClearEP_CTR_TX(uint8_t /*bEpNum*/);
void        ToggleDTOG_RX(uint8_t /*bEpNum*/);
void        ToggleDTOG_TX(uint8_t /*bEpNum*/);
void        ClearDTOG_RX(uint8_t /*bEpNum*/);
void        ClearDTOG_TX(uint8_t /*bEpNum*/);
void        SetEPAddress(uint8_t /*bEpNum*/, uint8_t /*bAddr*/);
uint8_t     GetEPAddress(uint8_t /*bEpNum*/);
void        SetEPTxAddr(uint8_t /*bEpNum*/, uint16_t /*wAddr*/);
void        SetEPRxAddr(uint8_t /*bEpNum*/, uint16_t /*wAddr*/);
uint16_t    GetEPTxAddr(uint8_t /*bEpNum*/);
uint16_t    GetEPRxAddr(uint8_t /*bEpNum*/);
void        SetEPCountRxReg(uint32_t        */*pdwReg*/, uint16_t /*wCount*/);
void        SetEPTxCount(uint8_t /*bEpNum*/, uint16_t /*wCount*/);
void        SetEPRxCount(uint8_t /*bEpNum*/, uint16_t /*wCount*/);
uint16_t    GetEPTxCount(uint8_t /*bEpNum*/);
uint16_t    GetEPRxCount(uint8_t /*bEpNum*/);
void        SetEPDblBuf0Addr(uint8_t /*bEpNum*/, uint16_t /*wBuf0Addr*/);
void        SetEPDblBuf1Addr(uint8_t /*bEpNum*/, uint16_t /*wBuf1Addr*/);
void        SetEPDblBuffAddr(uint8_t /*bEpNum*/, uint16_t /*wBuf0Addr*/, uint16_t /*wBuf1Addr*/);
uint16_t    GetEPDblBuf0Addr(uint8_t /*bEpNum*/);
uint16_t    GetEPDblBuf1Addr(uint8_t /*bEpNum*/);
void        SetEPDblBuffCount(uint8_t /*bEpNum*/, uint8_t /*bDir*/, uint16_t /*wCount*/);
void        SetEPDblBuf0Count(uint8_t /*bEpNum*/, uint8_t /*bDir*/, uint16_t /*wCount*/);
void        SetEPDblBuf1Count(uint8_t /*bEpNum*/, uint8_t /*bDir*/, uint16_t /*wCount*/);
uint16_t    GetEPDblBuf0Count(uint8_t /*bEpNum*/);
uint16_t    GetEPDblBuf1Count(uint8_t /*bEpNum*/);
EP_DBUF_DIR GetEPDblBufDir(uint8_t /*bEpNum*/);
void        FreeUserBuffer(uint8_t bEpNum /*bEpNum*/, uint8_t bDir);
uint16_t    ToWord(uint8_t, uint8_t);
uint16_t    ByteSwap(uint16_t);

#endif /* __USB_REGS_H */

/************************ (C) 2024 WIZnet  *****END OF FILE****/
