path: root/Drivers/STM32U0xx_HAL_Driver/Inc/stm32u0xx_hal_pcd.h

/**
  ******************************************************************************
  * @file    stm32u0xx_hal_pcd.h
  * @author  MCD Application Team
  * @brief   Header file of PCD HAL module.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2023 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef STM32U0xx_HAL_PCD_H
#define STM32U0xx_HAL_PCD_H

#ifdef __cplusplus
extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32u0xx_ll_usb.h"

#if defined (USB_DRD_FS)

/** @addtogroup STM32U0xx_HAL_Driver
  * @{
  */

/** @addtogroup PCD
  * @{
  */

/* Exported types ------------------------------------------------------------*/
/** @defgroup PCD_Exported_Types PCD Exported Types
  * @{
  */

/**
  * @brief  PCD State structure definition
  */
typedef enum
{
  HAL_PCD_STATE_RESET   = 0x00,
  HAL_PCD_STATE_READY   = 0x01,
  HAL_PCD_STATE_ERROR   = 0x02,
  HAL_PCD_STATE_BUSY    = 0x03,
  HAL_PCD_STATE_TIMEOUT = 0x04
} PCD_StateTypeDef;

/* Device LPM suspend state */
typedef enum
{
  LPM_L0 = 0x00, /* on */
  LPM_L1 = 0x01, /* LPM L1 sleep */
  LPM_L2 = 0x02, /* suspend */
  LPM_L3 = 0x03, /* off */
} PCD_LPM_StateTypeDef;

typedef enum
{
  PCD_LPM_L0_ACTIVE = 0x00, /* on */
  PCD_LPM_L1_ACTIVE = 0x01, /* LPM L1 sleep */
} PCD_LPM_MsgTypeDef;

typedef enum
{
  PCD_BCD_ERROR                     = 0xFF,
  PCD_BCD_CONTACT_DETECTION         = 0xFE,
  PCD_BCD_STD_DOWNSTREAM_PORT       = 0xFD,
  PCD_BCD_CHARGING_DOWNSTREAM_PORT  = 0xFC,
  PCD_BCD_DEDICATED_CHARGING_PORT   = 0xFB,
  PCD_BCD_DISCOVERY_COMPLETED       = 0x00,

} PCD_BCD_MsgTypeDef;

typedef USB_DRD_TypeDef        PCD_TypeDef;
typedef USB_DRD_CfgTypeDef     PCD_InitTypeDef;
typedef USB_DRD_EPTypeDef      PCD_EPTypeDef;

/**
  * @brief  PCD Handle Structure definition
  */
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
typedef struct __PCD_HandleTypeDef
#else
typedef struct
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
{
  PCD_TypeDef             *Instance;   /*!< Register base address             */
  PCD_InitTypeDef         Init;        /*!< PCD required parameters           */
  __IO uint8_t            USB_Address; /*!< USB Address                       */
  PCD_EPTypeDef           IN_ep[8];    /*!< IN endpoint parameters            */
  PCD_EPTypeDef           OUT_ep[8];   /*!< OUT endpoint parameters           */
  HAL_LockTypeDef         Lock;        /*!< PCD peripheral status             */
  __IO PCD_StateTypeDef   State;       /*!< PCD communication state           */
  __IO  uint32_t          ErrorCode;   /*!< PCD Error code                    */
  uint32_t                Setup[12];   /*!< Setup packet buffer               */
  PCD_LPM_StateTypeDef    LPM_State;   /*!< LPM State                         */
  uint32_t                BESL;


  uint32_t lpm_active;                 /*!< Enable or disable the Link Power Management .
                                       This parameter can be set to ENABLE or DISABLE        */

  uint32_t battery_charging_active;    /*!< Enable or disable Battery charging.
                                       This parameter can be set to ENABLE or DISABLE        */
  void                    *pData;      /*!< Pointer to upper stack Handler */

#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
  void (* SOFCallback)(struct __PCD_HandleTypeDef *hpcd);                              /*!< USB OTG PCD SOF callback                */
  void (* SetupStageCallback)(struct __PCD_HandleTypeDef *hpcd);                       /*!< USB OTG PCD Setup Stage callback        */
  void (* ResetCallback)(struct __PCD_HandleTypeDef *hpcd);                            /*!< USB OTG PCD Reset callback              */
  void (* SuspendCallback)(struct __PCD_HandleTypeDef *hpcd);                          /*!< USB OTG PCD Suspend callback            */
  void (* ResumeCallback)(struct __PCD_HandleTypeDef *hpcd);                           /*!< USB OTG PCD Resume callback             */
  void (* ConnectCallback)(struct __PCD_HandleTypeDef *hpcd);                          /*!< USB OTG PCD Connect callback            */
  void (* DisconnectCallback)(struct __PCD_HandleTypeDef *hpcd);                       /*!< USB OTG PCD Disconnect callback         */

  void (* DataOutStageCallback)(struct __PCD_HandleTypeDef *hpcd, uint8_t epnum);      /*!< USB OTG PCD Data OUT Stage callback     */
  void (* DataInStageCallback)(struct __PCD_HandleTypeDef *hpcd, uint8_t epnum);       /*!< USB OTG PCD Data IN Stage callback      */
  void (* ISOOUTIncompleteCallback)(struct __PCD_HandleTypeDef *hpcd, uint8_t epnum);  /*!< USB OTG PCD ISO OUT Incomplete callback */
  void (* ISOINIncompleteCallback)(struct __PCD_HandleTypeDef *hpcd, uint8_t epnum);   /*!< USB OTG PCD ISO IN Incomplete callback  */
  void (* BCDCallback)(struct __PCD_HandleTypeDef *hpcd, PCD_BCD_MsgTypeDef msg);      /*!< USB OTG PCD BCD callback                */
  void (* LPMCallback)(struct __PCD_HandleTypeDef *hpcd, PCD_LPM_MsgTypeDef msg);      /*!< USB OTG PCD LPM callback                */

  void (* MspInitCallback)(struct __PCD_HandleTypeDef *hpcd);                          /*!< USB OTG PCD Msp Init callback           */
  void (* MspDeInitCallback)(struct __PCD_HandleTypeDef *hpcd);                        /*!< USB OTG PCD Msp DeInit callback         */
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
} PCD_HandleTypeDef;

/**
  * @}
  */

/* Include PCD HAL Extended module */
#include "stm32u0xx_hal_pcd_ex.h"

/* Exported constants --------------------------------------------------------*/
/** @defgroup PCD_Exported_Constants PCD Exported Constants
  * @{
  */

/** @defgroup PCD_Speed PCD Speed
  * @{
  */
#define PCD_SPEED_FULL               USBD_FS_SPEED
/**
  * @}
  */

/** @defgroup PCD_PHY_Module PCD PHY Module
  * @{
  */
#define PCD_PHY_ULPI                 1U
#define PCD_PHY_EMBEDDED             2U
#define PCD_PHY_UTMI                 3U
/**
  * @}
  */

/** @defgroup PCD_Error_Code_definition PCD Error Code definition
  * @brief  PCD Error Code definition
  * @{
  */
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
#define  HAL_PCD_ERROR_INVALID_CALLBACK                        (0x00000010U)    /*!< Invalid Callback error  */
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */

/**
  * @}
  */

/**
  * @}
  */

/* Exported macros -----------------------------------------------------------*/
/** @defgroup PCD_Exported_Macros PCD Exported Macros
  *  @brief macros to handle interrupts and specific clock configurations
  * @{
  */
#define __HAL_PCD_ENABLE(__HANDLE__)                       (void)USB_EnableGlobalInt ((__HANDLE__)->Instance)
#define __HAL_PCD_DISABLE(__HANDLE__)                      (void)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)\
                                                                   &= (uint16_t)(~(__INTERRUPT__)))

#define __HAL_USB_WAKEUP_EXTI_ENABLE_IT()                         EXTI->IMR2 |= USB_WAKEUP_EXTI_LINE
#define __HAL_USB_WAKEUP_EXTI_DISABLE_IT()                        EXTI->IMR2 &= ~(USB_WAKEUP_EXTI_LINE)


/**
  * @}
  */

/* 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);

#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
/** @defgroup HAL_PCD_Callback_ID_enumeration_definition HAL USB OTG PCD Callback ID enumeration definition
  * @brief  HAL USB OTG PCD Callback ID enumeration definition
  * @{
  */
typedef enum
{
  HAL_PCD_SOF_CB_ID          = 0x01,      /*!< USB PCD SOF callback ID          */
  HAL_PCD_SETUPSTAGE_CB_ID   = 0x02,      /*!< USB PCD Setup Stage callback ID  */
  HAL_PCD_RESET_CB_ID        = 0x03,      /*!< USB PCD Reset callback ID        */
  HAL_PCD_SUSPEND_CB_ID      = 0x04,      /*!< USB PCD Suspend callback ID      */
  HAL_PCD_RESUME_CB_ID       = 0x05,      /*!< USB PCD Resume callback ID       */
  HAL_PCD_CONNECT_CB_ID      = 0x06,      /*!< USB PCD Connect callback ID      */
  HAL_PCD_DISCONNECT_CB_ID   = 0x07,      /*!< USB PCD Disconnect callback ID   */

  HAL_PCD_MSPINIT_CB_ID      = 0x08,      /*!< USB PCD MspInit callback ID      */
  HAL_PCD_MSPDEINIT_CB_ID    = 0x09       /*!< USB PCD MspDeInit callback ID    */

} HAL_PCD_CallbackIDTypeDef;
/**
  * @}
  */

/** @defgroup HAL_PCD_Callback_pointer_definition HAL USB OTG PCD Callback pointer definition
  * @brief  HAL USB OTG PCD Callback pointer definition
  * @{
  */

typedef void (*pPCD_CallbackTypeDef)(PCD_HandleTypeDef *hpcd);                                   /*!< pointer to a common USB OTG PCD callback function  */
typedef void (*pPCD_DataOutStageCallbackTypeDef)(PCD_HandleTypeDef *hpcd, uint8_t epnum);        /*!< pointer to USB OTG PCD Data OUT Stage callback     */
typedef void (*pPCD_DataInStageCallbackTypeDef)(PCD_HandleTypeDef *hpcd, uint8_t epnum);         /*!< pointer to USB OTG PCD Data IN Stage callback      */
typedef void (*pPCD_IsoOutIncpltCallbackTypeDef)(PCD_HandleTypeDef *hpcd, uint8_t epnum);        /*!< pointer to USB OTG PCD ISO OUT Incomplete callback */
typedef void (*pPCD_IsoInIncpltCallbackTypeDef)(PCD_HandleTypeDef *hpcd, uint8_t epnum);         /*!< pointer to USB OTG PCD ISO IN Incomplete callback  */
typedef void (*pPCD_LpmCallbackTypeDef)(PCD_HandleTypeDef *hpcd, PCD_LPM_MsgTypeDef msg);        /*!< pointer to USB OTG PCD LPM callback                */
typedef void (*pPCD_BcdCallbackTypeDef)(PCD_HandleTypeDef *hpcd, PCD_BCD_MsgTypeDef msg);        /*!< pointer to USB OTG PCD BCD callback                */

/**
  * @}
  */

HAL_StatusTypeDef HAL_PCD_RegisterCallback(PCD_HandleTypeDef *hpcd, HAL_PCD_CallbackIDTypeDef CallbackID,
                                           pPCD_CallbackTypeDef pCallback);

HAL_StatusTypeDef HAL_PCD_UnRegisterCallback(PCD_HandleTypeDef *hpcd, HAL_PCD_CallbackIDTypeDef CallbackID);

HAL_StatusTypeDef HAL_PCD_RegisterDataOutStageCallback(PCD_HandleTypeDef *hpcd,
                                                       pPCD_DataOutStageCallbackTypeDef pCallback);

HAL_StatusTypeDef HAL_PCD_UnRegisterDataOutStageCallback(PCD_HandleTypeDef *hpcd);

HAL_StatusTypeDef HAL_PCD_RegisterDataInStageCallback(PCD_HandleTypeDef *hpcd,
                                                      pPCD_DataInStageCallbackTypeDef pCallback);

HAL_StatusTypeDef HAL_PCD_UnRegisterDataInStageCallback(PCD_HandleTypeDef *hpcd);

HAL_StatusTypeDef HAL_PCD_RegisterIsoOutIncpltCallback(PCD_HandleTypeDef *hpcd,
                                                       pPCD_IsoOutIncpltCallbackTypeDef pCallback);

HAL_StatusTypeDef HAL_PCD_UnRegisterIsoOutIncpltCallback(PCD_HandleTypeDef *hpcd);

HAL_StatusTypeDef HAL_PCD_RegisterIsoInIncpltCallback(PCD_HandleTypeDef *hpcd,
                                                      pPCD_IsoInIncpltCallbackTypeDef pCallback);

HAL_StatusTypeDef HAL_PCD_UnRegisterIsoInIncpltCallback(PCD_HandleTypeDef *hpcd);

HAL_StatusTypeDef HAL_PCD_RegisterBcdCallback(PCD_HandleTypeDef *hpcd, pPCD_BcdCallbackTypeDef pCallback);
HAL_StatusTypeDef HAL_PCD_UnRegisterBcdCallback(PCD_HandleTypeDef *hpcd);

HAL_StatusTypeDef HAL_PCD_RegisterLpmCallback(PCD_HandleTypeDef *hpcd, pPCD_LpmCallbackTypeDef pCallback);
HAL_StatusTypeDef HAL_PCD_UnRegisterLpmCallback(PCD_HandleTypeDef *hpcd);
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
/**
  * @}
  */

/* I/O operation functions  ***************************************************/
/* Non-Blocking mode: Interrupt */
/** @addtogroup PCD_Exported_Functions_Group2 Input and Output 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_SOFCallback(PCD_HandleTypeDef *hpcd);
void HAL_PCD_SetupStageCallback(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_ConnectCallback(PCD_HandleTypeDef *hpcd);
void HAL_PCD_DisconnectCallback(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_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum);
void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum);
/**
  * @}
  */

/* 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);
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_EP_Abort(PCD_HandleTypeDef *hpcd, uint8_t ep_addr);
HAL_StatusTypeDef HAL_PCD_ActivateRemoteWakeup(PCD_HandleTypeDef *hpcd);
HAL_StatusTypeDef HAL_PCD_DeActivateRemoteWakeup(PCD_HandleTypeDef *hpcd);
uint32_t          HAL_PCD_EP_GetRxCount(PCD_HandleTypeDef const *hpcd, uint8_t ep_addr);
/**
  * @}
  */

/* Peripheral State functions  ************************************************/
/** @addtogroup PCD_Exported_Functions_Group4 Peripheral State functions
  * @{
  */
PCD_StateTypeDef HAL_PCD_GetState(PCD_HandleTypeDef const *hpcd);
/**
  * @}
  */

/**
  * @}
  */

/* Private constants ---------------------------------------------------------*/
/** @defgroup PCD_Private_Constants PCD Private Constants
  * @{
  */
/** @defgroup USB_EXTI_Line_Interrupt USB EXTI line interrupt
  * @{
  */


#define USB_WAKEUP_EXTI_LINE                                          (0x1U << 4)  /*!< USB FS EXTI Line WakeUp Interrupt */


/**
  * @}
  */

/** @defgroup PCD_EP0_MPS PCD EP0 MPS
  * @{
  */
#define PCD_EP0MPS_64                                                 EP_MPS_64
#define PCD_EP0MPS_32                                                 EP_MPS_32
#define PCD_EP0MPS_16                                                 EP_MPS_16
#define PCD_EP0MPS_08                                                 EP_MPS_8
/**
  * @}
  */

/** @defgroup PCD_ENDP PCD ENDP
  * @{
  */
#define PCD_ENDP0                                                     0U
#define PCD_ENDP1                                                     1U
#define PCD_ENDP2                                                     2U
#define PCD_ENDP3                                                     3U
#define PCD_ENDP4                                                     4U
#define PCD_ENDP5                                                     5U
#define PCD_ENDP6                                                     6U
#define PCD_ENDP7                                                     7U
/**
  * @}
  */

/** @defgroup PCD_ENDP_Kind PCD Endpoint Kind
  * @{
  */
#define PCD_SNG_BUF                                                   0U
#define PCD_DBL_BUF                                                   1U
/**
  * @}
  */

/**
  * @}
  */

/* Private macros ------------------------------------------------------------*/
/** @defgroup PCD_Private_Macros PCD Private Macros
  * @{
  */

/* PMA RX counter */
#ifndef PCD_RX_PMA_CNT
#define PCD_RX_PMA_CNT                                               10U
#endif /* PCD_RX_PMA_CNT */

/* SetENDPOINT */
#define PCD_SET_ENDPOINT                       USB_DRD_SET_CHEP

/* GetENDPOINT Register value*/
#define PCD_GET_ENDPOINT                       USB_DRD_GET_CHEP


/**
  * @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 device.
  * @param   bEpNum, bDir
  * @retval None
  */
#define PCD_FREE_USER_BUFFER                   USB_DRD_FREE_USER_BUFFER

/**
  * @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                   USB_DRD_SET_CHEP_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                   USB_DRD_SET_CHEP_RX_STATUS

/**
  * @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_KIND                        USB_DRD_SET_CHEP_KIND
#define PCD_CLEAR_EP_KIND                      USB_DRD_CLEAR_CHEP_KIND
#define PCD_SET_BULK_EP_DBUF                   PCD_SET_EP_KIND
#define PCD_CLEAR_BULK_EP_DBUF                 PCD_CLEAR_EP_KIND

/**
  * @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                     USB_DRD_SET_CHEP_KIND
#define PCD_CLEAR_OUT_STATUS                   USB_DRD_CLEAR_CHEP_KIND

/**
  * @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                    USB_DRD_CLEAR_RX_CHEP_CTR
#define PCD_CLEAR_TX_EP_CTR                    USB_DRD_CLEAR_TX_CHEP_CTR
/**
  * @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                            USB_DRD_RX_DTOG
#define PCD_TX_DTOG                            USB_DRD_TX_DTOG
/**
  * @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                      USB_DRD_CLEAR_RX_DTOG
#define PCD_CLEAR_TX_DTOG                      USB_DRD_CLEAR_TX_DTOG

/**
  * @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                     USB_DRD_SET_CHEP_ADDRESS

/**
  * @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                  USB_DRD_SET_CHEP_TX_ADDRESS
#define PCD_SET_EP_RX_ADDRESS                  USB_DRD_SET_CHEP_RX_ADDRESS

/**
  * @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                      USB_DRD_SET_CHEP_TX_CNT
#define PCD_SET_EP_RX_CNT                      USB_DRD_SET_CHEP_RX_CNT

/**
  * @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                      USB_DRD_GET_CHEP_TX_CNT

/**
  * @brief  gets counter of the rx buffer.
  * @param  Instance USB peripheral instance register address.
  * @param  bEpNum channel Number.
  * @retval Counter value
  */
__STATIC_INLINE uint16_t PCD_GET_EP_RX_CNT(const PCD_TypeDef *Instance, uint16_t bEpNum)
{
  UNUSED(Instance);
  __IO uint32_t count = PCD_RX_PMA_CNT;

  /* WA: few cycles for RX PMA descriptor to update */
  while (count > 0U)
  {
    count--;
  }

  return (uint16_t)USB_DRD_GET_CHEP_RX_CNT((Instance), (bEpNum));
}

/**
  * @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                   USB_DRD_SET_CHEP_DBUF_ADDR

/**
  * @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                   USB_DRD_SET_CHEP_DBUF0_CNT
#define PCD_SET_EP_DBUF1_CNT                   USB_DRD_SET_CHEP_DBUF1_CNT
#define PCD_SET_EP_DBUF_CNT                    USB_DRD_SET_CHEP_DBUF_CNT

/**
  * @brief  gets counter of the rx buffer0.
  * @param  Instance USB peripheral instance register address.
  * @param  bEpNum channel Number.
  * @retval Counter value
  */
__STATIC_INLINE uint16_t PCD_GET_EP_DBUF0_CNT(const PCD_TypeDef *Instance, uint16_t bEpNum)
{
  UNUSED(Instance);
  __IO uint32_t count = PCD_RX_PMA_CNT;

  /* WA: few cycles for RX PMA descriptor to update */
  while (count > 0U)
  {
    count--;
  }

  return (uint16_t)USB_DRD_GET_CHEP_DBUF0_CNT((Instance), (bEpNum));
}

/**
  * @brief  gets counter of the rx buffer1.
  * @param  Instance USB peripheral instance register address.
  * @param  bEpNum channel Number.
  * @retval Counter value
  */
__STATIC_INLINE uint16_t PCD_GET_EP_DBUF1_CNT(const PCD_TypeDef *Instance, uint16_t bEpNum)
{
  UNUSED(Instance);
  __IO uint32_t count = PCD_RX_PMA_CNT;

  /* WA: few cycles for RX PMA descriptor to update */
  while (count > 0U)
  {
    count--;
  }

  return (uint16_t)USB_DRD_GET_CHEP_DBUF1_CNT((Instance), (bEpNum));
}


/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */
#endif /* defined (USB_DRD_FS) */

#ifdef __cplusplus
}
#endif

#endif /* STM32U0xx_HAL_PCD_H */