/**
  ******************************************************************************
  * @file    stm32f1xx_hal_pcd.h
  * @author  MCD Application Team
  * @version V1.1.1
  * @date    12-May-2017
  * @brief   Header file of PCD HAL module.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */ 

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F1xx_HAL_PCD_H
#define __STM32F1xx_HAL_PCD_H

#ifdef __cplusplus
 extern "C" {
#endif

#if defined(STM32F102x6) || defined(STM32F102xB) || \
    defined(STM32F103x6) || defined(STM32F103xB) || \
    defined(STM32F103xE) || defined(STM32F103xG) || \
    defined(STM32F105xC) || defined(STM32F107xC)

/* Includes ------------------------------------------------------------------*/
#include "stm32f1xx_ll_usb.h"

/** @addtogroup STM32F1xx_HAL_Driver
  * @{
  */

/** @addtogroup PCD
  * @{
  */ 

/* Exported types ------------------------------------------------------------*/ 
/** @defgroup PCD_Exported_Types PCD Exported Types
  * @{
  */

/**
  * @brief  PCD State structure definition
  */
typedef enum
{
  HAL_PCD_STATE_RESET   = 0x00U,
  HAL_PCD_STATE_READY   = 0x01U,
  HAL_PCD_STATE_ERROR   = 0x02U,
  HAL_PCD_STATE_BUSY    = 0x03U,
  HAL_PCD_STATE_TIMEOUT = 0x04U
} PCD_StateTypeDef;

#if defined (USB)
/**
  * @brief  PCD double buffered endpoint direction
  */
typedef enum
{
  PCD_EP_DBUF_OUT,
  PCD_EP_DBUF_IN,
  PCD_EP_DBUF_ERR,
}PCD_EP_DBUF_DIR;

/**
  * @brief  PCD endpoint buffer number
  */
typedef enum 
{
  PCD_EP_NOBUF,
  PCD_EP_BUF0,
  PCD_EP_BUF1
}PCD_EP_BUF_NUM;  
#endif /* USB */

#if defined (USB_OTG_FS)
typedef USB_OTG_GlobalTypeDef  PCD_TypeDef;
typedef USB_OTG_CfgTypeDef     PCD_InitTypeDef;
typedef USB_OTG_EPTypeDef      PCD_EPTypeDef;
#endif /* USB_OTG_FS */

#if defined (USB)
typedef USB_TypeDef        PCD_TypeDef;
typedef USB_CfgTypeDef     PCD_InitTypeDef;
typedef USB_EPTypeDef      PCD_EPTypeDef;
#endif /* USB */

/** 
  * @brief  PCD Handle Structure definition
  */
typedef struct
{
  PCD_TypeDef             *Instance;   /*!< Register base address               */
  PCD_InitTypeDef         Init;        /*!< PCD required parameters             */
  __IO uint8_t            USB_Address; /*!< USB Address: not used by USB OTG FS */  
  PCD_EPTypeDef           IN_ep[16];   /*!< IN endpoint parameters              */
  PCD_EPTypeDef           OUT_ep[16];  /*!< OUT endpoint parameters             */
  HAL_LockTypeDef         Lock;        /*!< PCD peripheral status               */
  __IO PCD_StateTypeDef   State;       /*!< PCD communication state             */
  uint32_t                Setup[12U];   /*!< Setup packet buffer                 */
  void                    *pData;      /*!< Pointer to upper stack Handler      */
} PCD_HandleTypeDef;

/**
  * @}
  */

/* Include PCD HAL Extension module */
#include "stm32f1xx_hal_pcd_ex.h"

/* Exported constants --------------------------------------------------------*/
/** @defgroup PCD_Exported_Constants PCD Exported Constants
  * @{
  */

/** @defgroup PCD_Speed PCD Speed
  * @{
  */
#define PCD_SPEED_HIGH                                                0U /* Not Supported */
#define PCD_SPEED_HIGH_IN_FULL                                        1U /* Not Supported */
#define PCD_SPEED_FULL                                                2U
/**
  * @}
  */
  
/** @defgroup PCD_PHY_Module PCD PHY Module
  * @{
  */
#define PCD_PHY_EMBEDDED                                              2U
/**
  * @}
  */

/** @defgroup PCD_Turnaround_Timeout Turnaround Timeout Value
  * @{
  */
#ifndef USBD_FS_TRDT_VALUE
 #define USBD_FS_TRDT_VALUE           5U
#endif /* USBD_FS_TRDT_VALUE */
/**
  * @}
  */

/**
  * @}
  */

/* Exported macros -----------------------------------------------------------*/
/** @defgroup PCD_Exported_Macros PCD Exported Macros
 *  @brief macros to handle interrupts and specific clock configurations
 * @{
 */
#if defined (USB_OTG_FS)

#define __HAL_PCD_ENABLE(__HANDLE__)                                  USB_EnableGlobalInt ((__HANDLE__)->Instance)
#define __HAL_PCD_DISABLE(__HANDLE__)                                 USB_DisableGlobalInt ((__HANDLE__)->Instance)

#define __HAL_PCD_GET_FLAG(__HANDLE__, __INTERRUPT__)                 ((USB_ReadInterrupts((__HANDLE__)->Instance) & (__INTERRUPT__)) == (__INTERRUPT__))
#define __HAL_PCD_CLEAR_FLAG(__HANDLE__, __INTERRUPT__)               (((__HANDLE__)->Instance->GINTSTS) = (__INTERRUPT__))
#define __HAL_PCD_IS_INVALID_INTERRUPT(__HANDLE__)                    (USB_ReadInterrupts((__HANDLE__)->Instance) == 0U)

#define __HAL_PCD_UNGATE_PHYCLOCK(__HANDLE__)                         *(__IO uint32_t *)((uint32_t)((__HANDLE__)->Instance) + USB_OTG_PCGCCTL_BASE) &= \
                                                                      ~(USB_OTG_PCGCCTL_STOPCLK)

#define __HAL_PCD_GATE_PHYCLOCK(__HANDLE__)                           *(__IO uint32_t *)((uint32_t)((__HANDLE__)->Instance) + USB_OTG_PCGCCTL_BASE) |= USB_OTG_PCGCCTL_STOPCLK

#define __HAL_PCD_IS_PHY_SUSPENDED(__HANDLE__)                        ((*(__IO uint32_t *)((uint32_t)((__HANDLE__)->Instance) + USB_OTG_PCGCCTL_BASE)) & 0x10U)

#define __HAL_USB_OTG_FS_WAKEUP_EXTI_ENABLE_IT()                      EXTI->IMR |= USB_OTG_FS_WAKEUP_EXTI_LINE
#define __HAL_USB_OTG_FS_WAKEUP_EXTI_DISABLE_IT()                     EXTI->IMR &= ~(USB_OTG_FS_WAKEUP_EXTI_LINE)
#define __HAL_USB_OTG_FS_WAKEUP_EXTI_GET_FLAG()                       EXTI->PR & (USB_OTG_FS_WAKEUP_EXTI_LINE)
#define __HAL_USB_OTG_FS_WAKEUP_EXTI_CLEAR_FLAG()                     EXTI->PR = USB_OTG_FS_WAKEUP_EXTI_LINE

#define __HAL_USB_OTG_FS_WAKEUP_EXTI_ENABLE_RISING_EDGE()                 \
                        do{                                               \
                            EXTI->FTSR &= ~(USB_OTG_FS_WAKEUP_EXTI_LINE); \
                            EXTI->RTSR |= USB_OTG_FS_WAKEUP_EXTI_LINE;    \
                          } while(0U)

#define __HAL_USB_OTG_FS_WAKEUP_EXTI_ENABLE_FALLING_EDGE()                \
                        do{                                               \
                            EXTI->FTSR |= (USB_OTG_FS_WAKEUP_EXTI_LINE);  \
                            EXTI->RTSR &= ~(USB_OTG_FS_WAKEUP_EXTI_LINE); \
                          } while(0U)

#define __HAL_USB_OTG_FS_WAKEUP_EXTI_ENABLE_RISING_FALLING_EDGE()         \
                        do{                                               \
                            EXTI->RTSR &= ~(USB_OTG_FS_WAKEUP_EXTI_LINE); \
                            EXTI->FTSR &= ~(USB_OTG_FS_WAKEUP_EXTI_LINE); \
                            EXTI->RTSR |= USB_OTG_FS_WAKEUP_EXTI_LINE;    \
                            EXTI->FTSR |= USB_OTG_FS_WAKEUP_EXTI_LINE;    \
                          } while(0U)

#define __HAL_USB_OTG_FS_WAKEUP_EXTI_GENERATE_SWIT()                  (EXTI->SWIER |= USB_OTG_FS_WAKEUP_EXTI_LINE)
#endif /* USB_OTG_FS */

#if defined (USB)
#define __HAL_PCD_ENABLE(__HANDLE__)                                  USB_EnableGlobalInt ((__HANDLE__)->Instance)
#define __HAL_PCD_DISABLE(__HANDLE__)                                 USB_DisableGlobalInt ((__HANDLE__)->Instance)
#define __HAL_PCD_GET_FLAG(__HANDLE__, __INTERRUPT__)                 ((USB_ReadInterrupts((__HANDLE__)->Instance) & (__INTERRUPT__)) == (__INTERRUPT__))
#define __HAL_PCD_CLEAR_FLAG(__HANDLE__, __INTERRUPT__)               (((__HANDLE__)->Instance->ISTR) &= ~(__INTERRUPT__))

#define __HAL_USB_WAKEUP_EXTI_ENABLE_IT()                             EXTI->IMR |= USB_WAKEUP_EXTI_LINE
#define __HAL_USB_WAKEUP_EXTI_DISABLE_IT()                            EXTI->IMR &= ~(USB_WAKEUP_EXTI_LINE)
#define __HAL_USB_WAKEUP_EXTI_GET_FLAG()                              EXTI->PR & (USB_WAKEUP_EXTI_LINE)
#define __HAL_USB_WAKEUP_EXTI_CLEAR_FLAG()                            EXTI->PR = USB_WAKEUP_EXTI_LINE

#define __HAL_USB_WAKEUP_EXTI_ENABLE_RISING_EDGE()                 \
                        do{                                        \
                            EXTI->FTSR &= ~(USB_WAKEUP_EXTI_LINE); \
                            EXTI->RTSR |= USB_WAKEUP_EXTI_LINE;    \
                          } while(0U)

#define __HAL_USB_WAKEUP_EXTI_ENABLE_FALLING_EDGE()                \
                        do{                                        \
                            EXTI->FTSR |= (USB_WAKEUP_EXTI_LINE);  \
                            EXTI->RTSR &= ~(USB_WAKEUP_EXTI_LINE); \
                          } while(0U)

#define __HAL_USB_WAKEUP_EXTI_ENABLE_RISING_FALLING_EDGE()         \
                        do{                                        \
                            EXTI->RTSR &= ~(USB_WAKEUP_EXTI_LINE); \
                            EXTI->FTSR &= ~(USB_WAKEUP_EXTI_LINE); \
                            EXTI->RTSR |= USB_WAKEUP_EXTI_LINE;    \
                            EXTI->FTSR |= USB_WAKEUP_EXTI_LINE;    \
                          } while(0U)
#endif /* USB */

/**
  * @}
  */

/* Exported functions --------------------------------------------------------*/
/** @addtogroup PCD_Exported_Functions PCD Exported Functions
  * @{
  */

/* Initialization/de-initialization functions  ********************************/
/** @addtogroup PCD_Exported_Functions_Group1 Initialization and de-initialization functions
  * @{
  */
HAL_StatusTypeDef HAL_PCD_Init(PCD_HandleTypeDef *hpcd);
HAL_StatusTypeDef HAL_PCD_DeInit (PCD_HandleTypeDef *hpcd);
void HAL_PCD_MspInit(PCD_HandleTypeDef *hpcd);
void HAL_PCD_MspDeInit(PCD_HandleTypeDef *hpcd);
/**
  * @}
  */

/* I/O operation functions  ***************************************************/
/* Non-Blocking mode: Interrupt */
/** @addtogroup PCD_Exported_Functions_Group2 IO operation functions
  * @{
  */
HAL_StatusTypeDef HAL_PCD_Start(PCD_HandleTypeDef *hpcd);
HAL_StatusTypeDef HAL_PCD_Stop(PCD_HandleTypeDef *hpcd);
void HAL_PCD_IRQHandler(PCD_HandleTypeDef *hpcd);

void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum);
void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum);
void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd);
void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd);
void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd);
void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd);
void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd);
void HAL_PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum);
void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum);
void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd);
void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd);
/**
  * @}
  */

/* Peripheral Control functions  **********************************************/
/** @addtogroup PCD_Exported_Functions_Group3 Peripheral Control functions
  * @{
  */
HAL_StatusTypeDef HAL_PCD_DevConnect(PCD_HandleTypeDef *hpcd);
HAL_StatusTypeDef HAL_PCD_DevDisconnect(PCD_HandleTypeDef *hpcd);
HAL_StatusTypeDef HAL_PCD_SetAddress(PCD_HandleTypeDef *hpcd, uint8_t address);
HAL_StatusTypeDef HAL_PCD_EP_Open(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint16_t ep_mps, uint8_t ep_type);
HAL_StatusTypeDef HAL_PCD_EP_Close(PCD_HandleTypeDef *hpcd, uint8_t ep_addr);
HAL_StatusTypeDef HAL_PCD_EP_Receive(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint8_t *pBuf, uint32_t len);
HAL_StatusTypeDef HAL_PCD_EP_Transmit(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint8_t *pBuf, uint32_t len);
uint16_t          HAL_PCD_EP_GetRxCount(PCD_HandleTypeDef *hpcd, uint8_t ep_addr);
HAL_StatusTypeDef HAL_PCD_EP_SetStall(PCD_HandleTypeDef *hpcd, uint8_t ep_addr);
HAL_StatusTypeDef HAL_PCD_EP_ClrStall(PCD_HandleTypeDef *hpcd, uint8_t ep_addr);
HAL_StatusTypeDef HAL_PCD_EP_Flush(PCD_HandleTypeDef *hpcd, uint8_t ep_addr);
HAL_StatusTypeDef HAL_PCD_ActivateRemoteWakeup(PCD_HandleTypeDef *hpcd);
HAL_StatusTypeDef HAL_PCD_DeActivateRemoteWakeup(PCD_HandleTypeDef *hpcd);
/**
  * @}
  */

/* Peripheral State functions  ************************************************/
/** @addtogroup PCD_Exported_Functions_Group4 Peripheral State functions
  * @{
  */
PCD_StateTypeDef HAL_PCD_GetState(PCD_HandleTypeDef *hpcd);
/**
  * @}
  */

/**
  * @}
  */

/* Private constants ---------------------------------------------------------*/
/** @defgroup PCD_Private_Constants PCD Private Constants
  * @{
  */
/** @defgroup USB_EXTI_Line_Interrupt USB EXTI line interrupt
  * @{
  */
#if defined (USB_OTG_FS)
#define USB_OTG_FS_WAKEUP_EXTI_RISING_EDGE                            0x08U
#define USB_OTG_FS_WAKEUP_EXTI_FALLING_EDGE                           0x0CU
#define USB_OTG_FS_WAKEUP_EXTI_RISING_FALLING_EDGE                    0x10U

#define USB_OTG_FS_WAKEUP_EXTI_LINE                                    0x00040000U  /*!< External interrupt line 18 Connected to the USB EXTI Line */
#endif /* USB_OTG_FS */

#if defined (USB)
#define  USB_WAKEUP_EXTI_LINE                                         0x00040000U  /*!< External interrupt line 18 Connected to the USB EXTI Line */
#endif /* USB */
/**
  * @}
  */

#if defined (USB)
/** @defgroup PCD_EP0_MPS PCD EP0 MPS
  * @{
  */
#define PCD_EP0MPS_64                                                 DEP0CTL_MPS_64
#define PCD_EP0MPS_32                                                 DEP0CTL_MPS_32
#define PCD_EP0MPS_16                                                 DEP0CTL_MPS_16
#define PCD_EP0MPS_08                                                 DEP0CTL_MPS_8 
/**
  * @}
  */
  
/** @defgroup PCD_ENDP PCD ENDP
  * @{
  */
#define PCD_ENDP0                                                     ((uint8_t)0)
#define PCD_ENDP1                                                     ((uint8_t)1)
#define PCD_ENDP2                                                     ((uint8_t)2)
#define PCD_ENDP3                                                     ((uint8_t)3)
#define PCD_ENDP4                                                     ((uint8_t)4)
#define PCD_ENDP5                                                     ((uint8_t)5)
#define PCD_ENDP6                                                     ((uint8_t)6)
#define PCD_ENDP7                                                     ((uint8_t)7)
/**
  * @}
  */

/** @defgroup PCD_ENDP_Kind PCD Endpoint Kind
  * @{
  */
#define PCD_SNG_BUF                                                   0U
#define PCD_DBL_BUF                                                   1U
/**
  * @}
  */
#endif /* USB */
/**
  * @}
  */

/* Private macros ------------------------------------------------------------*/
/** @addtogroup PCD_Private_Macros PCD Private Macros
 * @{
 */
#if defined (USB)
/* SetENDPOINT */
#define PCD_SET_ENDPOINT(USBx, bEpNum,wRegValue)  (*(&(USBx)->EP0R + (bEpNum) * 2U)= (uint16_t)(wRegValue))

/* GetENDPOINT */
#define PCD_GET_ENDPOINT(USBx, bEpNum)            (*(&(USBx)->EP0R + (bEpNum) * 2U))

/* ENDPOINT transfer */
#define USB_EP0StartXfer                          USB_EPStartXfer

/**
  * @brief  sets the type in the endpoint register(bits EP_TYPE[1:0])
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @param  wType: Endpoint Type.
  * @retval None
  */
#define PCD_SET_EPTYPE(USBx, bEpNum,wType) (PCD_SET_ENDPOINT((USBx), (bEpNum),\
                                           ((PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EP_T_MASK) | (wType) )))

/**
  * @brief  gets the type in the endpoint register(bits EP_TYPE[1:0])
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @retval Endpoint Type
  */
#define PCD_GET_EPTYPE(USBx, bEpNum) (PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EP_T_FIELD)

/**
  * @brief free buffer used from the application realizing it to the line
          toggles bit SW_BUF in the double buffered endpoint register
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @param  bDir: Direction
  * @retval None
  */
#define PCD_FreeUserBuffer(USBx, bEpNum, bDir)\
{\
  if ((bDir) == PCD_EP_DBUF_OUT)\
  { /* OUT double buffered endpoint */\
    PCD_TX_DTOG((USBx), (bEpNum));\
  }\
  else if ((bDir) == PCD_EP_DBUF_IN)\
  { /* IN double buffered endpoint */\
    PCD_RX_DTOG((USBx), (bEpNum));\
  }\
}

/**
  * @brief gets direction of the double buffered endpoint
  * @param   USBx: USB peripheral instance register address.
  * @param   bEpNum: Endpoint Number.
  * @retval EP_DBUF_OUT, EP_DBUF_IN,
  *         EP_DBUF_ERR if the endpoint counter not yet programmed.
  */
#define PCD_GET_DB_DIR(USBx, bEpNum)\
{\
  if ((uint16_t)(*PCD_EP_RX_CNT((USBx), (bEpNum)) & 0xFC00) != 0)\
    return(PCD_EP_DBUF_OUT);\
  else if (((uint16_t)(*PCD_EP_TX_CNT((USBx), (bEpNum))) & 0x03FF) != 0)\
    return(PCD_EP_DBUF_IN);\
  else\
    return(PCD_EP_DBUF_ERR);\
}

/**
  * @brief  sets the status for tx transfer (bits STAT_TX[1:0]).
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @param  wState: new state
  * @retval None
  */
#define PCD_SET_EP_TX_STATUS(USBx, bEpNum, wState) { register uint16_t _wRegVal;\
   \
    _wRegVal = PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EPTX_DTOGMASK;\
   /* toggle first bit ? */     \
   if((USB_EPTX_DTOG1 & (wState))!= 0U)\
   {                                                                            \
     _wRegVal ^= USB_EPTX_DTOG1;        \
   }                                                                            \
   /* toggle second bit ?  */         \
   if((USB_EPTX_DTOG2 & (wState))!= 0U)      \
   {                                                                            \
     _wRegVal ^= USB_EPTX_DTOG2;        \
   }                                                                            \
   PCD_SET_ENDPOINT((USBx), (bEpNum), (_wRegVal | USB_EP_CTR_RX|USB_EP_CTR_TX));\
  } /* PCD_SET_EP_TX_STATUS */

/**
  * @brief  sets the status for rx transfer (bits STAT_TX[1:0])
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @param  wState: new state
  * @retval None
  */
#define PCD_SET_EP_RX_STATUS(USBx, bEpNum,wState) {\
    register uint16_t _wRegVal;   \
    \
    _wRegVal = PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EPRX_DTOGMASK;\
    /* toggle first bit ? */  \
    if((USB_EPRX_DTOG1 & (wState))!= 0U) \
    {                                                                             \
      _wRegVal ^= USB_EPRX_DTOG1;  \
    }                                                                             \
    /* toggle second bit ? */  \
    if((USB_EPRX_DTOG2 & (wState))!= 0U) \
    {                                                                             \
      _wRegVal ^= USB_EPRX_DTOG2;  \
    }                                                                             \
    PCD_SET_ENDPOINT((USBx), (bEpNum), (_wRegVal | USB_EP_CTR_RX|USB_EP_CTR_TX)); \
  } /* PCD_SET_EP_RX_STATUS */

/**
  * @brief  sets the status for rx & tx (bits STAT_TX[1:0] & STAT_RX[1:0])
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @param  wStaterx: new state.
  * @param  wStatetx: new state.
  * @retval None
  */
#define PCD_SET_EP_TXRX_STATUS(USBx,bEpNum,wStaterx,wStatetx) {\
    register uint32_t _wRegVal;   \
    \
    _wRegVal = PCD_GET_ENDPOINT((USBx), (bEpNum)) & (USB_EPRX_DTOGMASK |USB_EPTX_STAT) ;\
    /* toggle first bit ? */  \
    if((USB_EPRX_DTOG1 & ((wStaterx)))!= 0U) \
    {                                                                                    \
      _wRegVal ^= USB_EPRX_DTOG1;  \
    }                                                                                    \
    /* toggle second bit ? */  \
    if((USB_EPRX_DTOG2 & (wStaterx))!= 0U) \
    {                                                                                    \
      _wRegVal ^= USB_EPRX_DTOG2;  \
    }                                                                                    \
    /* toggle first bit ? */     \
    if((USB_EPTX_DTOG1 & (wStatetx))!= 0U)      \
    {                                                                                    \
      _wRegVal ^= USB_EPTX_DTOG1;        \
    }                                                                                    \
    /* toggle second bit ?  */         \
    if((USB_EPTX_DTOG2 & (wStatetx))!= 0U)      \
    {                                                                                    \
      _wRegVal ^= USB_EPTX_DTOG2;        \
    }                                                                                    \
    PCD_SET_ENDPOINT((USBx), (bEpNum), _wRegVal | USB_EP_CTR_RX|USB_EP_CTR_TX);    \
  } /* PCD_SET_EP_TXRX_STATUS */

/**
  * @brief  gets the status for tx/rx transfer (bits STAT_TX[1:0]
  *         /STAT_RX[1:0])
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @retval status
  */
#define PCD_GET_EP_TX_STATUS(USBx, bEpNum)     ((uint16_t)PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EPTX_STAT)
#define PCD_GET_EP_RX_STATUS(USBx, bEpNum)     ((uint16_t)PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EPRX_STAT)

/**
  * @brief  sets directly the VALID tx/rx-status into the endpoint register
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @retval None
  */
#define PCD_SET_EP_TX_VALID(USBx, bEpNum)      (PCD_SET_EP_TX_STATUS((USBx), (bEpNum), USB_EP_TX_VALID))
#define PCD_SET_EP_RX_VALID(USBx, bEpNum)      (PCD_SET_EP_RX_STATUS((USBx), (bEpNum), USB_EP_RX_VALID))

/**
  * @brief  checks stall condition in an endpoint.
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @retval TRUE = endpoint in stall condition.
  */
#define PCD_GET_EP_TX_STALL_STATUS(USBx, bEpNum) (PCD_GET_EP_TX_STATUS((USBx), (bEpNum)) \
                                   == USB_EP_TX_STALL)
#define PCD_GET_EP_RX_STALL_STATUS(USBx, bEpNum) (PCD_GET_EP_RX_STATUS((USBx), (bEpNum)) \
                                   == USB_EP_RX_STALL)

/**
  * @brief  set & clear EP_KIND bit.
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @retval None
  */
#define PCD_SET_EP_KIND(USBx, bEpNum)    (PCD_SET_ENDPOINT((USBx), (bEpNum), \
                                (USB_EP_CTR_RX|USB_EP_CTR_TX|((PCD_GET_ENDPOINT((USBx), (bEpNum)) | USB_EP_KIND) & USB_EPREG_MASK))))
#define PCD_CLEAR_EP_KIND(USBx, bEpNum)  (PCD_SET_ENDPOINT((USBx), (bEpNum), \
                                (USB_EP_CTR_RX|USB_EP_CTR_TX|(PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EPKIND_MASK))))

/**
  * @brief  Sets/clears directly STATUS_OUT bit in the endpoint register.
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @retval None
  */
#define PCD_SET_OUT_STATUS(USBx, bEpNum)       PCD_SET_EP_KIND((USBx), (bEpNum))
#define PCD_CLEAR_OUT_STATUS(USBx, bEpNum)     PCD_CLEAR_EP_KIND((USBx), (bEpNum))

/**
  * @brief  Sets/clears directly EP_KIND bit in the endpoint register.
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @retval None
  */
#define PCD_SET_EP_DBUF(USBx, bEpNum)          PCD_SET_EP_KIND((USBx), (bEpNum))
#define PCD_CLEAR_EP_DBUF(USBx, bEpNum)        PCD_CLEAR_EP_KIND((USBx), (bEpNum))

/**
  * @brief  Clears bit CTR_RX / CTR_TX in the endpoint register.
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @retval None
  */
#define PCD_CLEAR_RX_EP_CTR(USBx, bEpNum)   (PCD_SET_ENDPOINT((USBx), (bEpNum),\
                                   PCD_GET_ENDPOINT((USBx), (bEpNum)) & 0x7FFFU & USB_EPREG_MASK))
#define PCD_CLEAR_TX_EP_CTR(USBx, bEpNum)   (PCD_SET_ENDPOINT((USBx), (bEpNum),\
                                   PCD_GET_ENDPOINT((USBx), (bEpNum)) & 0xFF7FU & USB_EPREG_MASK))

/**
  * @brief  Toggles DTOG_RX / DTOG_TX bit in the endpoint register.
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @retval None
  */
#define PCD_RX_DTOG(USBx, bEpNum)    (PCD_SET_ENDPOINT((USBx), (bEpNum), \
                                   USB_EP_CTR_RX|USB_EP_CTR_TX|USB_EP_DTOG_RX | (PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EPREG_MASK)))
#define PCD_TX_DTOG(USBx, bEpNum)    (PCD_SET_ENDPOINT((USBx), (bEpNum), \
                                   USB_EP_CTR_RX|USB_EP_CTR_TX|USB_EP_DTOG_TX | (PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EPREG_MASK)))

/**
  * @brief  Clears DTOG_RX / DTOG_TX bit in the endpoint register.
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @retval None
  */
#define PCD_CLEAR_RX_DTOG(USBx, bEpNum)  if((PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EP_DTOG_RX) != 0U)\
                                         {                                                              \
                                           PCD_RX_DTOG((USBx), (bEpNum));                               \
                                         }
#define PCD_CLEAR_TX_DTOG(USBx, bEpNum)  if((PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EP_DTOG_TX) != 0U)\
                                         {                                                              \
                                            PCD_TX_DTOG((USBx), (bEpNum));                              \
                                         }
      
/**
  * @brief  Sets address in an endpoint register.
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @param  bAddr: Address.
  * @retval None
  */
#define PCD_SET_EP_ADDRESS(USBx, bEpNum,bAddr) PCD_SET_ENDPOINT((USBx), (bEpNum),\
    USB_EP_CTR_RX|USB_EP_CTR_TX|(PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EPREG_MASK) | (bAddr))

#define PCD_GET_EP_ADDRESS(USBx, bEpNum) ((uint8_t)(PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EPADDR_FIELD))

#define PCD_EP_TX_ADDRESS(USBx, bEpNum) ((uint32_t *)(((USBx)->BTABLE+(bEpNum)*8U)*2U+     ((uint32_t)(USBx) + 0x400U)))
#define PCD_EP_TX_CNT(USBx, bEpNum) ((uint32_t *)(((USBx)->BTABLE+(bEpNum)*8U+2U)*2U+  ((uint32_t)(USBx) + 0x400U)))
#define PCD_EP_RX_ADDRESS(USBx, bEpNum) ((uint32_t *)(((USBx)->BTABLE+(bEpNum)*8U+4U)*2U+  ((uint32_t)(USBx) + 0x400U)))
#define PCD_EP_RX_CNT(USBx, bEpNum) ((uint32_t *)(((USBx)->BTABLE+(bEpNum)*8U+6U)*2U+  ((uint32_t)(USBx) + 0x400U)))
      
#define PCD_SET_EP_RX_CNT(USBx, bEpNum,wCount) {\
    uint32_t *pdwReg = PCD_EP_RX_CNT((USBx), (bEpNum)); \
    PCD_SET_EP_CNT_RX_REG(pdwReg, (wCount));\
  }

/**
  * @brief  sets address of the tx/rx buffer.
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @param  wAddr: address to be set (must be word aligned).
  * @retval None
  */
#define PCD_SET_EP_TX_ADDRESS(USBx, bEpNum,wAddr) (*PCD_EP_TX_ADDRESS((USBx), (bEpNum)) = (((wAddr) >> 1U) << 1U))
#define PCD_SET_EP_RX_ADDRESS(USBx, bEpNum,wAddr) (*PCD_EP_RX_ADDRESS((USBx), (bEpNum)) = (((wAddr) >> 1U) << 1U))

/**
  * @brief  Gets address of the tx/rx buffer.
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @retval address of the buffer.
  */
#define PCD_GET_EP_TX_ADDRESS(USBx, bEpNum) ((uint16_t)*PCD_EP_TX_ADDRESS((USBx), (bEpNum)))
#define PCD_GET_EP_RX_ADDRESS(USBx, bEpNum) ((uint16_t)*PCD_EP_RX_ADDRESS((USBx), (bEpNum)))

/**
  * @brief  Sets counter of rx buffer with no. of blocks.
  * @param  dwReg: Register
  * @param  wCount: Counter.
  * @param  wNBlocks: no. of Blocks.
  * @retval None
  */
#define PCD_CALC_BLK32(dwReg,wCount,wNBlocks) {\
    (wNBlocks) = (wCount) >> 5U;\
    if(((wCount) & 0x1FU) == 0U)\
    {                                                  \
      (wNBlocks)--;\
    }                                                  \
    *pdwReg = (uint16_t)((uint16_t)((wNBlocks) << 10U) | 0x8000U); \
  }/* PCD_CALC_BLK32 */

#define PCD_CALC_BLK2(dwReg,wCount,wNBlocks) {\
    (wNBlocks) = (wCount) >> 1U;\
    if(((wCount) & 0x01U) != 0U)\
    {                                                  \
      (wNBlocks)++;\
    }                                                  \
    *pdwReg = (uint16_t)((wNBlocks) << 10U);\
  }/* PCD_CALC_BLK2 */

#define PCD_SET_EP_CNT_RX_REG(dwReg,wCount)  {\
    uint16_t wNBlocks;\
    if((wCount) > 62U)                                \
    {                                                \
      PCD_CALC_BLK32((dwReg),(wCount),wNBlocks);     \
    }                                                \
    else                                             \
    {                                                \
      PCD_CALC_BLK2((dwReg),(wCount),wNBlocks);      \
    }                                                \
  }/* PCD_SET_EP_CNT_RX_REG */

#define PCD_SET_EP_RX_DBUF0_CNT(USBx, bEpNum,wCount) {\
    uint32_t *pdwReg = PCD_EP_TX_CNT((USBx), (bEpNum)); \
    PCD_SET_EP_CNT_RX_REG(pdwReg, (wCount));\
  }

/**
  * @brief  sets counter for the tx/rx buffer.
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @param  wCount: Counter value.
  * @retval None
  */
#define PCD_SET_EP_TX_CNT(USBx, bEpNum,wCount) (*PCD_EP_TX_CNT((USBx), (bEpNum)) = (wCount))


/**
  * @brief  gets counter of the tx buffer.
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @retval Counter value
  */
#define PCD_GET_EP_TX_CNT(USBx, bEpNum)        ((uint16_t)(*PCD_EP_TX_CNT((USBx), (bEpNum))) & 0x3FFU)
#define PCD_GET_EP_RX_CNT(USBx, bEpNum)        ((uint16_t)(*PCD_EP_RX_CNT((USBx), (bEpNum))) & 0x3FFU)

/**
  * @brief  Sets buffer 0/1 address in a double buffer endpoint.
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @param  wBuf0Addr: buffer 0 address.
  * @retval Counter value
  */
#define PCD_SET_EP_DBUF0_ADDR(USBx, bEpNum,wBuf0Addr) {PCD_SET_EP_TX_ADDRESS((USBx), (bEpNum), (wBuf0Addr));}
#define PCD_SET_EP_DBUF1_ADDR(USBx, bEpNum,wBuf1Addr) {PCD_SET_EP_RX_ADDRESS((USBx), (bEpNum), (wBuf1Addr));}

/**
  * @brief  Sets addresses in a double buffer endpoint.
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @param  wBuf0Addr: buffer 0 address.
  * @param  wBuf1Addr = buffer 1 address.
  * @retval None
  */
#define PCD_SET_EP_DBUF_ADDR(USBx, bEpNum,wBuf0Addr,wBuf1Addr) { \
    PCD_SET_EP_DBUF0_ADDR((USBx), (bEpNum), (wBuf0Addr));\
    PCD_SET_EP_DBUF1_ADDR((USBx), (bEpNum), (wBuf1Addr));\
  } /* PCD_SET_EP_DBUF_ADDR */

/**
  * @brief  Gets buffer 0/1 address of a double buffer endpoint.
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @retval None
  */
#define PCD_GET_EP_DBUF0_ADDR(USBx, bEpNum)    (PCD_GET_EP_TX_ADDRESS((USBx), (bEpNum)))
#define PCD_GET_EP_DBUF1_ADDR(USBx, bEpNum)    (PCD_GET_EP_RX_ADDRESS((USBx), (bEpNum)))

/**
  * @brief  Gets buffer 0/1 address of a double buffer endpoint.
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @param  bDir: endpoint dir  EP_DBUF_OUT = OUT 
  *         EP_DBUF_IN  = IN 
  * @param  wCount: Counter value 
  * @retval None
  */
#define PCD_SET_EP_DBUF0_CNT(USBx, bEpNum, bDir, wCount)  { \
    if((bDir) == PCD_EP_DBUF_OUT)\
      /* OUT endpoint */ \
    {PCD_SET_EP_RX_DBUF0_CNT((USBx), (bEpNum),(wCount));} \
    else if((bDir) == PCD_EP_DBUF_IN)\
      /* IN endpoint */ \
      *PCD_EP_TX_CNT((USBx), (bEpNum)) = (uint32_t)(wCount);  \
  } /* SetEPDblBuf0Count*/

#define PCD_SET_EP_DBUF1_CNT(USBx, bEpNum, bDir, wCount)  { \
    if((bDir) == PCD_EP_DBUF_OUT)\
    {/* OUT endpoint */                                       \
      PCD_SET_EP_RX_CNT((USBx), (bEpNum),(wCount));           \
    }                                                         \
    else if((bDir) == PCD_EP_DBUF_IN)\
    {/* IN endpoint */                                        \
      *PCD_EP_TX_CNT((USBx), (bEpNum)) = (uint32_t)(wCount); \
    }                                                         \
  } /* SetEPDblBuf1Count */

#define PCD_SET_EP_DBUF_CNT(USBx, bEpNum, bDir, wCount) {\
    PCD_SET_EP_DBUF0_CNT((USBx), (bEpNum), (bDir), (wCount)); \
    PCD_SET_EP_DBUF1_CNT((USBx), (bEpNum), (bDir), (wCount)); \
  } /* PCD_SET_EP_DBUF_CNT  */

/**
  * @brief  Gets buffer 0/1 rx/tx counter for double buffering.
  * @param  USBx: USB peripheral instance register address.
  * @param  bEpNum: Endpoint Number.
  * @retval None
  */
#define PCD_GET_EP_DBUF0_CNT(USBx, bEpNum)     (PCD_GET_EP_TX_CNT((USBx), (bEpNum)))
#define PCD_GET_EP_DBUF1_CNT(USBx, bEpNum)     (PCD_GET_EP_RX_CNT((USBx), (bEpNum)))

#endif /* USB */

/** @defgroup PCD_Instance_definition PCD Instance definition
  * @{
  */
#define IS_PCD_ALL_INSTANCE                                        IS_USB_ALL_INSTANCE
/**
  * @}
  */
  
/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

#endif /* STM32F102x6 || STM32F102xB || */
       /* STM32F103x6 || STM32F103xB || */
       /* STM32F103xE || STM32F103xG || */
       /* STM32F105xC || STM32F107xC    */

#ifdef __cplusplus
}
#endif


#endif /* __STM32F1xx_HAL_PCD_H */

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