text: /**************************************************************************//**
   * @file     usbd.h
   * @version  V3.00
   * @brief    NUC2201 series USB driver header file
   *
   * @note
   * SPDX-License-Identifier: Apache-2.0
   * Copyright (C) 2017 Nuvoton Technology Corp. All rights reserved.
   ******************************************************************************/
  
  #ifndef __USBD_H__
  #define __USBD_H__
  
  
  /** @addtogroup Standard_Driver Standard Driver
    @{
  */
  
  /** @addtogroup USBD_Driver USBD Driver
    @{
  */
  
  /** @addtogroup USBD_EXPORTED_STRUCTS USBD Exported Structs
    @{
  */
  
  
  typedef struct s_usbd_info
  {
      const uint8_t *gu8DevDesc;            /*!< Pointer for USB Device Descriptor          */
      const uint8_t *gu8ConfigDesc;         /*!< Pointer for USB Configuration Descriptor   */
      const uint8_t **gu8StringDesc;        /*!< Pointer for USB String Descriptor pointers */
      const uint8_t **gu8HidReportDesc;     /*!< Pointer for USB HID Report Descriptor      */
      const uint32_t *gu32HidReportSize;    /*!< Pointer for HID Report descriptor Size */
      const uint32_t *gu32ConfigHidDescIdx; /*!< Pointer for HID Descriptor start index */
  
  } S_USBD_INFO_T;
  
  extern const S_USBD_INFO_T gsInfo;
  
  /*@}*/ /* end of group USBD_EXPORTED_STRUCTS */
  
  
  
  /** @addtogroup USBD_EXPORTED_CONSTANTS USBD Exported Constants
    @{
  */
  
  #define USBD_BUF_BASE   (USBD_BASE+0x100)
  
  
  
  #define USBD_MAX_EP     8
  
  #define EP0     0       /*!< Endpoint 0 */
  #define EP1     1       /*!< Endpoint 1 */
  #define EP2     2       /*!< Endpoint 2 */
  #define EP3     3       /*!< Endpoint 3 */
  #define EP4     4       /*!< Endpoint 4 */
  #define EP5     5       /*!< Endpoint 5 */
  #define EP6     6       /*!< Endpoint 6 */
  #define EP7     7       /*!< Endpoint 7 */
  
  
  /*!<USB Request Type */
  #define REQ_STANDARD        0x00
  #define REQ_CLASS           0x20
  #define REQ_VENDOR          0x40
  
  /*!<USB Standard Request */
  #define GET_STATUS          0x00
  #define CLEAR_FEATURE       0x01
  #define SET_FEATURE         0x03
  #define SET_ADDRESS         0x05
  #define GET_DESCRIPTOR      0x06
  #define SET_DESCRIPTOR      0x07
  #define GET_CONFIGURATION   0x08
  #define SET_CONFIGURATION   0x09
  #define GET_INTERFACE       0x0A
  #define SET_INTERFACE       0x0B
  #define SYNC_FRAME          0x0C
  
  /*!<USB Descriptor Type */
  #define DESC_DEVICE         0x01
  #define DESC_CONFIG         0x02
  #define DESC_STRING         0x03
  #define DESC_INTERFACE      0x04
  #define DESC_ENDPOINT       0x05
  #define DESC_QUALIFIER      0x06
  #define DESC_OTHERSPEED     0x07
  
  /*!<USB HID Descriptor Type */
  #define DESC_HID            0x21
  #define DESC_HID_RPT        0x22
  
  /*!<USB Descriptor Length */
  #define LEN_DEVICE          18
  #define LEN_CONFIG          9
  #define LEN_INTERFACE       9
  #define LEN_ENDPOINT        7
  #define LEN_HID             9
  #define LEN_CCID            0x36
  
  /*!<USB Endpoint Type */
  #define EP_ISO              0x01
  #define EP_BULK             0x02
  #define EP_INT              0x03
  
  #define EP_INPUT            0x80
  #define EP_OUTPUT           0x00
  
  /*!<USB Feature Selector */
  #define FEATURE_DEVICE_REMOTE_WAKEUP    0x01
  #define FEATURE_ENDPOINT_HALT           0x00
  
  /******************************************************************************/
  /*                USB Specific Macros                                         */
  /******************************************************************************/
  
  #define USBD_WAKEUP_EN          USBD_INTEN_WAKEUP_EN_Msk    /*!< USB Wake-up Enable */
  #define USBD_DRVSE0             USBD_DRVSE0_DRVSE0_Msk      /*!< Drive SE0 */
  
  #define USBD_DPPU_EN            USBD_ATTR_DPPU_EN_Msk       /*!< USB D+ Pull-up Enable */
  #define USBD_PWRDN              USBD_ATTR_PWRDN_Msk         /*!< PHY Turn-On */
  #define USBD_PHY_EN             USBD_ATTR_PHY_EN_Msk        /*!< PHY Enable */
  #define USBD_USB_EN             USBD_ATTR_USB_EN_Msk        /*!< USB Enable */
  
  #define USBD_INT_BUS            USBD_INTEN_BUS_IE_Msk       /*!< USB Bus Event Interrupt */
  #define USBD_INT_USB            USBD_INTEN_USB_IE_Msk       /*!< USB USB Event Interrupt */
  #define USBD_INT_FLDET          USBD_INTEN_FLDET_IE_Msk     /*!< USB Float Detect Interrupt */
  #define USBD_INT_WAKEUP         (USBD_INTEN_WAKEUP_IE_Msk | USBD_INTEN_WAKEUP_EN_Msk)   /*!< USB Wake-up Interrupt */
  
  #define USBD_INTSTS_WAKEUP      USBD_INTSTS_WAKEUP_STS_Msk  /*!< USB Wakeup Interrupt Status */
  #define USBD_INTSTS_FLDET       USBD_INTSTS_FLDET_STS_Msk   /*!< USB Float Detect Interrupt Status */
  #define USBD_INTSTS_BUS         USBD_INTSTS_BUS_STS_Msk     /*!< USB Bus Event Interrupt Status */
  #define USBD_INTSTS_USB         USBD_INTSTS_USB_STS_Msk     /*!< USB USB Event Interrupt Status */
  #define USBD_INTSTS_SETUP       USBD_INTSTS_SETUP_Msk       /*!< USB Setup Event */
  #define USBD_INTSTS_EP0         USBD_INTSTS_EPEVT0_Msk      /*!< USB Endpoint 0 Event */
  #define USBD_INTSTS_EP1         USBD_INTSTS_EPEVT1_Msk      /*!< USB Endpoint 1 Event */
  #define USBD_INTSTS_EP2         USBD_INTSTS_EPEVT2_Msk      /*!< USB Endpoint 2 Event */
  #define USBD_INTSTS_EP3         USBD_INTSTS_EPEVT3_Msk      /*!< USB Endpoint 3 Event */
  #define USBD_INTSTS_EP4         USBD_INTSTS_EPEVT4_Msk      /*!< USB Endpoint 4 Event */
  #define USBD_INTSTS_EP5         USBD_INTSTS_EPEVT5_Msk      /*!< USB Endpoint 5 Event */
  #define USBD_INTSTS_EP6         USBD_INTSTS_EPEVT6_Msk      /*!< USB Endpoint 6 Event */
  #define USBD_INTSTS_EP7         USBD_INTSTS_EPEVT7_Msk      /*!< USB Endpoint 7 Event */
  
  #define USBD_STATE_USBRST       USBD_ATTR_USBRST_Msk        /*!< USB Bus Reset */
  #define USBD_STATE_SUSPEND      USBD_ATTR_SUSPEND_Msk       /*!< USB Bus Suspend */
  #define USBD_STATE_RESUME       USBD_ATTR_RESUME_Msk        /*!< USB Bus Resume */
  #define USBD_STATE_TIMEOUT      USBD_ATTR_TIMEOUT_Msk       /*!< USB Bus Timeout */
  
  #define USBD_CFGP_SSTALL        USBD_CFGP_SSTALL_Msk        /*!< Set Stall */
  #define USBD_CFG_CSTALL         USBD_CFG_CSTALL_Msk         /*!< Clear Stall */
  
  #define USBD_CFG_EPMODE_DISABLE (0ul << USBD_CFG_STATE_Pos)/*!< Endpoint Disable */
  #define USBD_CFG_EPMODE_OUT     (1ul << USBD_CFG_STATE_Pos)/*!< Out Endpoint */
  #define USBD_CFG_EPMODE_IN      (2ul << USBD_CFG_STATE_Pos)/*!< In Endpoint */
  #define USBD_CFG_TYPE_ISO       (1ul << USBD_CFG_ISOCH_Pos) /*!< Isochronous */
  
  
  /*@}*/ /* end of group USBD_EXPORTED_CONSTANTS */
  
  
  
  /** @addtogroup USBD_EXPORTED_FUNCTIONS USBD Exported Functions
    @{
  */
  
  /**
    * @brief      Compare two input numbers and return maximum one.
    *
    * @param[in]  a   First number to be compared.
    * @param[in]  b   Second number to be compared.
    *
    * @return     Maximum value between a and b.
    *
    * @details    If a > b, then return a. Otherwise, return b.
    */
  #define Maximum(a,b)        ((a)>(b) ? (a) : (b))
  
  
  /**
    * @brief      Compare two input numbers and return minimum one
    *
    * @param[in]  a   First number to be compared
    * @param[in]  b   Second number to be compared
    *
    * @return     Minimum value between a and b
    *
    * @details    If a < b, then return a. Otherwise, return b.
    */
  #define Minimum(a,b)        ((a)<(b) ? (a) : (b))
  
  
  /**
    * @brief    Enable USB
    *
    * @param    None
    *
    * @return   None
    *
    * @details  To set USB ATTR control register to enable USB and PHY.
    *
    */
  #define USBD_ENABLE_USB()           ((uint32_t)(USBD->ATTR |= (USBD_USB_EN|USBD_PHY_EN)))
  
  /**
    * @brief    Disable USB
    *
    * @param    None
    *
    * @return   None
    *
    * @details  To set USB ATTR control register to disable USB.
    *
    */
  #define USBD_DISABLE_USB()          ((uint32_t)(USBD->ATTR &= ~USBD_USB_EN))
  
  /**
    * @brief    Enable USB PHY
    *
    * @param    None
    *
    * @return   None
    *
    * @details  To set USB ATTR control register to enable USB PHY.
    *
    */
  #define USBD_ENABLE_PHY()           ((uint32_t)(USBD->ATTR |= USBD_PHY_EN))
  
  /**
    * @brief    Disable USB PHY
    *
    * @param    None
    *
    * @return   None
    *
    * @details  To set USB ATTR control register to disable USB PHY.
    *
    */
  #define USBD_DISABLE_PHY()          ((uint32_t)(USBD->ATTR &= ~USBD_PHY_EN))
  
  /**
    * @brief    Enable SE0. Force USB PHY transceiver to drive SE0.
    *
    * @param    None
    *
    * @return   None
    *
    * @details  Set DRVSE0 bit of USB_DRVSE0 register to enable software-disconnect function. Force USB PHY transceiver to drive SE0 to bus.
    *
    */
  #define USBD_SET_SE0()              ((uint32_t)(USBD->DRVSE0 |= USBD_DRVSE0))
  
  /**
    * @brief    Disable SE0
    *
    * @param    None
    *
    * @return   None
    *
    * @details  Clear DRVSE0 bit of USB_DRVSE0 register to disable software-disconnect function.
    *
    */
  #define USBD_CLR_SE0()              ((uint32_t)(USBD->DRVSE0 &= ~USBD_DRVSE0))
  
  /**
    * @brief       Set USB device address
    *
    * @param[in]   addr The USB device address.
    *
    * @return      None
    *
    * @details     Write USB device address to USB_FADDR register.
    *
    */
  #define USBD_SET_ADDR(addr)         (USBD->FADDR = (addr))
  
  /**
    * @brief    Get USB device address
    *
    * @param    None
    *
    * @return   USB device address
    *
    * @details  Read USB_FADDR register to get USB device address.
    *
    */
  #define USBD_GET_ADDR()             ((uint32_t)(USBD->FADDR))
  
  /**
    * @brief      Enable USB interrupt function
    *
    * @param[in]  intr The combination of the specified interrupt enable bits.
    *             Each bit corresponds to a interrupt enable bit.
    *             This parameter decides which interrupts will be enabled.
    *             (USBD_INT_WAKEUP, USBD_INT_FLDET, USBD_INT_USB, USBD_INT_BUS)
    *
    * @return     None
    *
    * @details    Enable USB related interrupt functions specified by intr parameter.
    *
    */
  #define USBD_ENABLE_INT(intr)       (USBD->INTEN |= (intr))
  
  /**
    * @brief    Get interrupt status
    *
    * @param    None
    *
    * @return   The value of USB_INTSTS register
    *
    * @details  Return all interrupt flags of USB_INTSTS register.
    *
    */
  #define USBD_GET_INT_FLAG()         ((uint32_t)(USBD->INTSTS))
  
  /**
    * @brief      Clear USB interrupt flag
    *
    * @param[in]  flag The combination of the specified interrupt flags.
    *             Each bit corresponds to a interrupt source.
    *             This parameter decides which interrupt flags will be cleared.
    *             (USBD_INTSTS_WAKEUP, USBD_INTSTS_FLDET, USBD_INTSTS_BUS, USBD_INTSTS_USB)
    *
    * @return     None
    *
    * @details    Clear USB related interrupt flags specified by flag parameter.
    *
    */
  #define USBD_CLR_INT_FLAG(flag)     (USBD->INTSTS = (flag))
  
  /**
    * @brief    Get endpoint status
    *
    * @param    None
    *
    * @return   The value of USB_EPSTS register.
    *
    * @details  Return all endpoint status.
    *
    */
  #define USBD_GET_EP_FLAG()          ((uint32_t)(USBD->EPSTS))
  
  /**
    * @brief    Get USB bus state
    *
    * @param    None
    *
    * @return   The value of USB_ATTR[3:0].
    *           Bit 0 indicates USB bus reset status.
    *           Bit 1 indicates USB bus suspend status.
    *           Bit 2 indicates USB bus resume status.
    *           Bit 3 indicates USB bus time-out status.
    *
    * @details  Return USB_ATTR[3:0] for USB bus events.
    *
    */
  #define USBD_GET_BUS_STATE()        ((uint32_t)(USBD->ATTR & 0xf))
  
  /**
    * @brief    Check cable connection state
    *
    * @param    None
    *
    * @retval   0 USB cable is not attached.
    * @retval   1 USB cable is attached.
    *
    * @details  Check the connection state by FLDET bit of USB_FLDET register.
    *
    */
  #define USBD_IS_ATTACHED()          ((uint32_t)(USBD->FLDET & USBD_FLDET_FLDET_Msk))
  
  /**
    * @brief      Stop USB transaction of the specified endpoint ID
    *
    * @param[in]  ep The USB endpoint buffer number.
    *
    * @return     None
    *
    * @details    Write 1 to CLRRDY bit of USB_CFGPx register to stop USB transaction of the specified endpoint ID.
    *
    */
  #define USBD_STOP_TRANSACTION(ep)   (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFGP + (uint32_t)((ep) << 4))) |= USBD_CFGP_CLRRDY_Msk)
  
  /**
    * @brief      Set USB DATA1 PID for the specified endpoint ID
    *
    * @param[in]  ep The USB endpoint buffer number.
    *
    * @return     None
    *
    * @details    Set DSQ_SYNC bit of USB_CFGx register to specify the DATA1 PID for the following IN token transaction.
    *             Base on this setting, hardware will toggle PID between DATA0 and DATA1 automatically for IN token transactions.
    *
    */
  #define USBD_SET_DATA1(ep)          (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFG + (uint32_t)((ep) << 4))) |= USBD_CFG_DSQ_SYNC_Msk)
  
  /**
    * @brief      Set USB DATA0 PID for the specified endpoint ID
    *
    * @param[in]  ep The USB endpoint buffer number.
    *
    * @return     None
    *
    * @details    Clear DSQ_SYNC bit of USB_CFGx register to specify the DATA0 PID for the following IN token transaction.
    *             Base on this setting, hardware will toggle PID between DATA0 and DATA1 automatically for IN token transactions.
    *
    */
  #define USBD_SET_DATA0(ep)          (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFG + (uint32_t)((ep) << 4))) &= (~USBD_CFG_DSQ_SYNC_Msk))
  
  /**
    * @brief      Set USB payload size (IN data)
    *
    * @param[in]  ep The USB endpoint buffer number.
    *
    * @param[in]  size The transfer length.
    *
    * @return     None
    *
    * @details    This macro will write the transfer length to USB_MXPLDx register for IN data transaction.
    *
    */
  #define USBD_SET_PAYLOAD_LEN(ep, size)  (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].MXPLD + (uint32_t)((ep) << 4))) = (size))
  
  /**
    * @brief      Get USB payload size (OUT data)
    *
    * @param[in]  ep The USB endpoint buffer number.
    *
    * @return     The value of USB_MXPLDx register.
    *
    * @details    Get the data length of OUT data transaction by reading USB_MXPLDx register.
    *
    */
  #define USBD_GET_PAYLOAD_LEN(ep)        ((uint32_t)*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].MXPLD + (uint32_t)((ep) << 4))))
  
  /**
    * @brief      Configure endpoint
    *
    * @param[in]  ep The USB endpoint buffer number.
    *
    * @param[in]  config The USB configuration.
    *
    * @return     None
    *
    * @details    This macro will write config parameter to USB_CFGx register of specified endpoint ID.
    *
    */
  #define USBD_CONFIG_EP(ep, config)      (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFG + (uint32_t)((ep) << 4))) = (config))
  
  /**
    * @brief      Set USB endpoint buffer
    *
    * @param[in]  ep The USB endpoint buffer number.
    *
    * @param[in]  offset The SRAM offset.
    *
    * @return     None
    *
    * @details    This macro will set the SRAM offset for the specified endpoint ID.
    *
    */
  #define USBD_SET_EP_BUF_ADDR(ep, offset)    (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].BUFSEG + (uint32_t)((ep) << 4))) = (offset))
  
  /**
    * @brief      Get the offset of the specified USB endpoint buffer
    *
    * @param[in]  ep The USB endpoint buffer number.
    *
    * @return     The offset of the specified endpoint buffer.
    *
    * @details    This macro will return the SRAM offset of the specified endpoint ID.
    *
    */
  #define USBD_GET_EP_BUF_ADDR(ep)        ((uint32_t)*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].BUFSEG + (uint32_t)((ep) << 4))))
  /**
    * @brief       Set USB endpoint stall state
    *
    * @param[in]   ep  The USB endpoint ID (USB endpoint buffer number).
    *
    * @return      None
    *
    * @details     Set USB endpoint stall state for the specified endpoint ID. Endpoint will respond STALL token automatically.
    *
    */
  #define USBD_SET_EP_STALL(ep)        (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFGP + (uint32_t)((ep) << 4))) |= USBD_CFGP_SSTALL_Msk)
  
  /**
    * @brief       Clear USB endpoint stall state
    *
    * @param[in]   ep  The USB endpoint ID (USB endpoint buffer number).
    *
    * @return      None
    *
    * @details     Clear USB endpoint stall state for the specified endpoint ID. Endpoint will respond ACK/NAK token.
    */
  #define USBD_CLR_EP_STALL(ep)        (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFGP + (uint32_t)((ep) << 4))) &= ~USBD_CFGP_SSTALL_Msk)
  
  /**
    * @brief       Get USB endpoint stall state
    *
    * @param[in]   ep  The USB endpoint ID (USB endpoint buffer number).
    *
    * @retval      0      USB endpoint is not stalled.
    * @retval      Others USB endpoint is stalled.
    *
    * @details     Get USB endpoint stall state of the specified endpoint ID.
    *
    */
  #define USBD_GET_EP_STALL(ep)        (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFGP + (uint32_t)((ep) << 4))) & USBD_CFGP_SSTALL_Msk)
  
  /**
    * @brief      To support byte access between USB SRAM and system SRAM
    *
    * @param[in]  dest Destination pointer.
    *
    * @param[in]  src  Source pointer.
    *
    * @param[in]  size Byte count.
    *
    * @return     None
    *
    * @details    This function will copy the number of data specified by size and src parameters to the address specified by dest parameter.
    *
    */
  static __INLINE void USBD_MemCopy(uint8_t *dest, uint8_t *src, int32_t size)
  {
      while(size--) *dest++ = *src++;
  }
  
  
  /**
    * @brief       Set USB endpoint stall state
    *
    * @param[in]   epnum  USB endpoint number
    *
    * @return      None
    *
    * @details     Set USB endpoint stall state. Endpoint will respond STALL token automatically.
    *
    */
  static __INLINE void USBD_SetStall(uint8_t epnum)
  {
      uint32_t u32CfgAddr;
      uint32_t u32Cfg;
      int i;
  
      for(i = 0; i < USBD_MAX_EP; i++)
      {
          u32CfgAddr = (uint32_t)(i << 4) + (uint32_t)&USBD->EP[0].CFG; /* USBD_CFG0 */
          u32Cfg = *((__IO uint32_t *)(u32CfgAddr));
  
          if((u32Cfg & 0xf) == epnum)
          {
              u32CfgAddr = (uint32_t)(i << 4) + (uint32_t)&USBD->EP[0].CFGP; /* USBD_CFGP0 */
              u32Cfg = *((__IO uint32_t *)(u32CfgAddr));
  
              *((__IO uint32_t *)(u32CfgAddr)) = (u32Cfg | USBD_CFGP_SSTALL);
              break;
          }
      }
  }
  
  /**
    * @brief       Clear USB endpoint stall state
    *
    * @param[in]   epnum  USB endpoint number
    *
    * @return      None
    *
    * @details     Clear USB endpoint stall state. Endpoint will respond ACK/NAK token.
    */
  static __INLINE void USBD_ClearStall(uint8_t epnum)
  {
      uint32_t u32CfgAddr;
      uint32_t u32Cfg;
      int i;
  
      for(i = 0; i < USBD_MAX_EP; i++)
      {
          u32CfgAddr = (uint32_t)(i << 4) + (uint32_t)&USBD->EP[0].CFG; /* USBD_CFG0 */
          u32Cfg = *((__IO uint32_t *)(u32CfgAddr));
  
          if((u32Cfg & 0xf) == epnum)
          {
              u32CfgAddr = (uint32_t)(i << 4) + (uint32_t)&USBD->EP[0].CFGP; /* USBD_CFGP0 */
              u32Cfg = *((__IO uint32_t *)(u32CfgAddr));
  
              *((__IO uint32_t *)(u32CfgAddr)) = (u32Cfg & ~USBD_CFGP_SSTALL);
              break;
          }
      }
  }
  
  /**
    * @brief       Get USB endpoint stall state
    *
    * @param[in]   epnum  USB endpoint number
    *
    * @retval      0      USB endpoint is not stalled.
    * @retval      Others USB endpoint is stalled.
    *
    * @details     Get USB endpoint stall state.
    *
    */
  static __INLINE uint32_t USBD_GetStall(uint8_t epnum)
  {
      uint32_t u32CfgAddr;
      uint32_t u32Cfg;
      int i;
  
      for(i = 0; i < USBD_MAX_EP; i++)
      {
          u32CfgAddr = (uint32_t)(i << 4) + (uint32_t)&USBD->EP[0].CFG; /* USBD_CFG0 */
          u32Cfg = *((__IO uint32_t *)(u32CfgAddr));
  
          if((u32Cfg & 0xf) == epnum)
          {
              u32CfgAddr = (uint32_t)(i << 4) + (uint32_t)&USBD->EP[0].CFGP; /* USBD_CFGP0 */
              break;
          }
      }
  
      return ((*((__IO uint32_t *)(u32CfgAddr))) & USBD_CFGP_SSTALL);
  }
  
  
  extern volatile uint8_t g_usbd_RemoteWakeupEn;
  typedef void (*VENDOR_REQ)(void);           /*!< Functional pointer type declaration for Vendor class */
  typedef void (*CLASS_REQ)(void);            /*!< Functional pointer type declaration for USB class request callback handler */
  typedef void (*SET_INTERFACE_REQ)(void);    /*!< Functional pointer type declaration for USB set interface request callback handler */
  typedef void (*SET_CONFIG_CB)(void);       /*!< Functional pointer type declaration for USB set configuration request callback handler */
  
  /*--------------------------------------------------------------------*/
  void USBD_Open(const S_USBD_INFO_T *param, CLASS_REQ pfnClassReq, SET_INTERFACE_REQ pfnSetInterface);
  void USBD_Start(void);
  void USBD_GetSetupPacket(uint8_t *buf);
  void USBD_ProcessSetupPacket(void);
  void USBD_StandardRequest(void);
  void USBD_PrepareCtrlIn(uint8_t *pu8Buf, uint32_t u32Size);
  void USBD_CtrlIn(void);
  void USBD_PrepareCtrlOut(uint8_t *pu8Buf, uint32_t u32Size);
  void USBD_CtrlOut(void);
  void USBD_SwReset(void);
  void USBD_SetVendorRequest(VENDOR_REQ pfnVendorReq);
  void USBD_SetConfigCallback(SET_CONFIG_CB pfnSetConfigCallback);
  void USBD_LockEpStall(uint32_t u32EpBitmap);
  
  /*@}*/ /* end of group USBD_EXPORTED_FUNCTIONS */
  
  /*@}*/ /* end of group USBD_Driver */
  
  /*@}*/ /* end of group Standard_Driver */
  
  
  #endif //__USBD_H__
  
  /*** (C) COPYRIGHT 2017 Nuvoton Technology Corp. ***/
  