1 /**
2   ******************************************************************************
3   * @file    stm32l0xx_hal_pcd.h
4   * @author  MCD Application Team
5   * @brief   Header file of PCD HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2016 STMicroelectronics.
10   * All rights reserved.
11   *
12   * This software is licensed under terms that can be found in the LICENSE file
13   * in the root directory of this software component.
14   * If no LICENSE file comes with this software, it is provided AS-IS.
15   *
16   ******************************************************************************
17   */
18 
19 /* Define to prevent recursive inclusion -------------------------------------*/
20 #ifndef STM32L0xx_HAL_PCD_H
21 #define STM32L0xx_HAL_PCD_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32l0xx_ll_usb.h"
29 
30 #if defined (USB)
31 
32 /** @addtogroup STM32L0xx_HAL_Driver
33   * @{
34   */
35 
36 /** @addtogroup PCD
37   * @{
38   */
39 
40 /* Exported types ------------------------------------------------------------*/
41 /** @defgroup PCD_Exported_Types PCD Exported Types
42   * @{
43   */
44 
45 /**
46   * @brief  PCD State structure definition
47   */
48 typedef enum
49 {
50   HAL_PCD_STATE_RESET   = 0x00,
51   HAL_PCD_STATE_READY   = 0x01,
52   HAL_PCD_STATE_ERROR   = 0x02,
53   HAL_PCD_STATE_BUSY    = 0x03,
54   HAL_PCD_STATE_TIMEOUT = 0x04
55 } PCD_StateTypeDef;
56 
57 /* Device LPM suspend state */
58 typedef enum
59 {
60   LPM_L0 = 0x00, /* on */
61   LPM_L1 = 0x01, /* LPM L1 sleep */
62   LPM_L2 = 0x02, /* suspend */
63   LPM_L3 = 0x03, /* off */
64 } PCD_LPM_StateTypeDef;
65 
66 typedef enum
67 {
68   PCD_LPM_L0_ACTIVE = 0x00, /* on */
69   PCD_LPM_L1_ACTIVE = 0x01, /* LPM L1 sleep */
70 } PCD_LPM_MsgTypeDef;
71 
72 typedef enum
73 {
74   PCD_BCD_ERROR                     = 0xFF,
75   PCD_BCD_CONTACT_DETECTION         = 0xFE,
76   PCD_BCD_STD_DOWNSTREAM_PORT       = 0xFD,
77   PCD_BCD_CHARGING_DOWNSTREAM_PORT  = 0xFC,
78   PCD_BCD_DEDICATED_CHARGING_PORT   = 0xFB,
79   PCD_BCD_DISCOVERY_COMPLETED       = 0x00,
80 
81 } PCD_BCD_MsgTypeDef;
82 
83 
84 
85 
86 
87 typedef USB_TypeDef        PCD_TypeDef;
88 typedef USB_CfgTypeDef     PCD_InitTypeDef;
89 typedef USB_EPTypeDef      PCD_EPTypeDef;
90 
91 
92 /**
93   * @brief  PCD Handle Structure definition
94   */
95 #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
96 typedef struct __PCD_HandleTypeDef
97 #else
98 typedef struct
99 #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
100 {
101   PCD_TypeDef             *Instance;   /*!< Register base address             */
102   PCD_InitTypeDef         Init;        /*!< PCD required parameters           */
103   __IO uint8_t            USB_Address; /*!< USB Address                       */
104   PCD_EPTypeDef           IN_ep[8];    /*!< IN endpoint parameters            */
105   PCD_EPTypeDef           OUT_ep[8];   /*!< OUT endpoint parameters           */
106   HAL_LockTypeDef         Lock;        /*!< PCD peripheral status             */
107   __IO PCD_StateTypeDef   State;       /*!< PCD communication state           */
108   __IO  uint32_t          ErrorCode;   /*!< PCD Error code                    */
109   uint32_t                Setup[12];   /*!< Setup packet buffer               */
110   PCD_LPM_StateTypeDef    LPM_State;   /*!< LPM State                         */
111   uint32_t                BESL;
112 
113 
114   uint32_t lpm_active;                 /*!< Enable or disable the Link Power Management .
115                                        This parameter can be set to ENABLE or DISABLE        */
116 
117   uint32_t battery_charging_active;    /*!< Enable or disable Battery charging.
118                                        This parameter can be set to ENABLE or DISABLE        */
119   void                    *pData;      /*!< Pointer to upper stack Handler */
120 
121 #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
122   void (* SOFCallback)(struct __PCD_HandleTypeDef *hpcd);                              /*!< USB OTG PCD SOF callback                */
123   void (* SetupStageCallback)(struct __PCD_HandleTypeDef *hpcd);                       /*!< USB OTG PCD Setup Stage callback        */
124   void (* ResetCallback)(struct __PCD_HandleTypeDef *hpcd);                            /*!< USB OTG PCD Reset callback              */
125   void (* SuspendCallback)(struct __PCD_HandleTypeDef *hpcd);                          /*!< USB OTG PCD Suspend callback            */
126   void (* ResumeCallback)(struct __PCD_HandleTypeDef *hpcd);                           /*!< USB OTG PCD Resume callback             */
127   void (* ConnectCallback)(struct __PCD_HandleTypeDef *hpcd);                          /*!< USB OTG PCD Connect callback            */
128   void (* DisconnectCallback)(struct __PCD_HandleTypeDef *hpcd);                       /*!< USB OTG PCD Disconnect callback         */
129 
130   void (* DataOutStageCallback)(struct __PCD_HandleTypeDef *hpcd, uint8_t epnum);      /*!< USB OTG PCD Data OUT Stage callback     */
131   void (* DataInStageCallback)(struct __PCD_HandleTypeDef *hpcd, uint8_t epnum);       /*!< USB OTG PCD Data IN Stage callback      */
132   void (* ISOOUTIncompleteCallback)(struct __PCD_HandleTypeDef *hpcd, uint8_t epnum);  /*!< USB OTG PCD ISO OUT Incomplete callback */
133   void (* ISOINIncompleteCallback)(struct __PCD_HandleTypeDef *hpcd, uint8_t epnum);   /*!< USB OTG PCD ISO IN Incomplete callback  */
134   void (* BCDCallback)(struct __PCD_HandleTypeDef *hpcd, PCD_BCD_MsgTypeDef msg);      /*!< USB OTG PCD BCD callback                */
135   void (* LPMCallback)(struct __PCD_HandleTypeDef *hpcd, PCD_LPM_MsgTypeDef msg);      /*!< USB OTG PCD LPM callback                */
136 
137   void (* MspInitCallback)(struct __PCD_HandleTypeDef *hpcd);                          /*!< USB OTG PCD Msp Init callback           */
138   void (* MspDeInitCallback)(struct __PCD_HandleTypeDef *hpcd);                        /*!< USB OTG PCD Msp DeInit callback         */
139 #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
140 } PCD_HandleTypeDef;
141 
142 /**
143   * @}
144   */
145 
146 /* Include PCD HAL Extended module */
147 #include "stm32l0xx_hal_pcd_ex.h"
148 
149 /* Exported constants --------------------------------------------------------*/
150 /** @defgroup PCD_Exported_Constants PCD Exported Constants
151   * @{
152   */
153 
154 /** @defgroup PCD_Speed PCD Speed
155   * @{
156   */
157 #define PCD_SPEED_FULL               USBD_FS_SPEED
158 /**
159   * @}
160   */
161 
162 /** @defgroup PCD_PHY_Module PCD PHY Module
163   * @{
164   */
165 #define PCD_PHY_ULPI                 1U
166 #define PCD_PHY_EMBEDDED             2U
167 #define PCD_PHY_UTMI                 3U
168 /**
169   * @}
170   */
171 
172 /** @defgroup PCD_Error_Code_definition PCD Error Code definition
173   * @brief  PCD Error Code definition
174   * @{
175   */
176 #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
177 #define  HAL_PCD_ERROR_INVALID_CALLBACK                        (0x00000010U)    /*!< Invalid Callback error  */
178 #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
179 
180 /**
181   * @}
182   */
183 
184 /**
185   * @}
186   */
187 
188 /* Exported macros -----------------------------------------------------------*/
189 /** @defgroup PCD_Exported_Macros PCD Exported Macros
190   *  @brief macros to handle interrupts and specific clock configurations
191   * @{
192   */
193 #define __HAL_PCD_ENABLE(__HANDLE__)                       (void)USB_EnableGlobalInt ((__HANDLE__)->Instance)
194 #define __HAL_PCD_DISABLE(__HANDLE__)                      (void)USB_DisableGlobalInt ((__HANDLE__)->Instance)
195 
196 #define __HAL_PCD_GET_FLAG(__HANDLE__, __INTERRUPT__) \
197   ((USB_ReadInterrupts((__HANDLE__)->Instance) & (__INTERRUPT__)) == (__INTERRUPT__))
198 
199 
200 #define __HAL_PCD_CLEAR_FLAG(__HANDLE__, __INTERRUPT__)           (((__HANDLE__)->Instance->ISTR)\
201                                                                    &= (uint16_t)(~(__INTERRUPT__)))
202 
203 #define __HAL_USB_WAKEUP_EXTI_ENABLE_IT()                         EXTI->IMR |= USB_WAKEUP_EXTI_LINE
204 #define __HAL_USB_WAKEUP_EXTI_DISABLE_IT()                        EXTI->IMR &= ~(USB_WAKEUP_EXTI_LINE)
205 
206 
207 /**
208   * @}
209   */
210 
211 /* Exported functions --------------------------------------------------------*/
212 /** @addtogroup PCD_Exported_Functions PCD Exported Functions
213   * @{
214   */
215 
216 /* Initialization/de-initialization functions  ********************************/
217 /** @addtogroup PCD_Exported_Functions_Group1 Initialization and de-initialization functions
218   * @{
219   */
220 HAL_StatusTypeDef HAL_PCD_Init(PCD_HandleTypeDef *hpcd);
221 HAL_StatusTypeDef HAL_PCD_DeInit(PCD_HandleTypeDef *hpcd);
222 void HAL_PCD_MspInit(PCD_HandleTypeDef *hpcd);
223 void HAL_PCD_MspDeInit(PCD_HandleTypeDef *hpcd);
224 
225 #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
226 /** @defgroup HAL_PCD_Callback_ID_enumeration_definition HAL USB OTG PCD Callback ID enumeration definition
227   * @brief  HAL USB OTG PCD Callback ID enumeration definition
228   * @{
229   */
230 typedef enum
231 {
232   HAL_PCD_SOF_CB_ID          = 0x01,      /*!< USB PCD SOF callback ID          */
233   HAL_PCD_SETUPSTAGE_CB_ID   = 0x02,      /*!< USB PCD Setup Stage callback ID  */
234   HAL_PCD_RESET_CB_ID        = 0x03,      /*!< USB PCD Reset callback ID        */
235   HAL_PCD_SUSPEND_CB_ID      = 0x04,      /*!< USB PCD Suspend callback ID      */
236   HAL_PCD_RESUME_CB_ID       = 0x05,      /*!< USB PCD Resume callback ID       */
237   HAL_PCD_CONNECT_CB_ID      = 0x06,      /*!< USB PCD Connect callback ID      */
238   HAL_PCD_DISCONNECT_CB_ID   = 0x07,      /*!< USB PCD Disconnect callback ID   */
239 
240   HAL_PCD_MSPINIT_CB_ID      = 0x08,      /*!< USB PCD MspInit callback ID      */
241   HAL_PCD_MSPDEINIT_CB_ID    = 0x09       /*!< USB PCD MspDeInit callback ID    */
242 
243 } HAL_PCD_CallbackIDTypeDef;
244 /**
245   * @}
246   */
247 
248 /** @defgroup HAL_PCD_Callback_pointer_definition HAL USB OTG PCD Callback pointer definition
249   * @brief  HAL USB OTG PCD Callback pointer definition
250   * @{
251   */
252 
253 typedef void (*pPCD_CallbackTypeDef)(PCD_HandleTypeDef *hpcd);                                   /*!< pointer to a common USB OTG PCD callback function  */
254 typedef void (*pPCD_DataOutStageCallbackTypeDef)(PCD_HandleTypeDef *hpcd, uint8_t epnum);        /*!< pointer to USB OTG PCD Data OUT Stage callback     */
255 typedef void (*pPCD_DataInStageCallbackTypeDef)(PCD_HandleTypeDef *hpcd, uint8_t epnum);         /*!< pointer to USB OTG PCD Data IN Stage callback      */
256 typedef void (*pPCD_IsoOutIncpltCallbackTypeDef)(PCD_HandleTypeDef *hpcd, uint8_t epnum);        /*!< pointer to USB OTG PCD ISO OUT Incomplete callback */
257 typedef void (*pPCD_IsoInIncpltCallbackTypeDef)(PCD_HandleTypeDef *hpcd, uint8_t epnum);         /*!< pointer to USB OTG PCD ISO IN Incomplete callback  */
258 typedef void (*pPCD_LpmCallbackTypeDef)(PCD_HandleTypeDef *hpcd, PCD_LPM_MsgTypeDef msg);        /*!< pointer to USB OTG PCD LPM callback                */
259 typedef void (*pPCD_BcdCallbackTypeDef)(PCD_HandleTypeDef *hpcd, PCD_BCD_MsgTypeDef msg);        /*!< pointer to USB OTG PCD BCD callback                */
260 
261 /**
262   * @}
263   */
264 
265 HAL_StatusTypeDef HAL_PCD_RegisterCallback(PCD_HandleTypeDef *hpcd, HAL_PCD_CallbackIDTypeDef CallbackID,
266                                            pPCD_CallbackTypeDef pCallback);
267 
268 HAL_StatusTypeDef HAL_PCD_UnRegisterCallback(PCD_HandleTypeDef *hpcd, HAL_PCD_CallbackIDTypeDef CallbackID);
269 
270 HAL_StatusTypeDef HAL_PCD_RegisterDataOutStageCallback(PCD_HandleTypeDef *hpcd,
271                                                        pPCD_DataOutStageCallbackTypeDef pCallback);
272 
273 HAL_StatusTypeDef HAL_PCD_UnRegisterDataOutStageCallback(PCD_HandleTypeDef *hpcd);
274 
275 HAL_StatusTypeDef HAL_PCD_RegisterDataInStageCallback(PCD_HandleTypeDef *hpcd,
276                                                       pPCD_DataInStageCallbackTypeDef pCallback);
277 
278 HAL_StatusTypeDef HAL_PCD_UnRegisterDataInStageCallback(PCD_HandleTypeDef *hpcd);
279 
280 HAL_StatusTypeDef HAL_PCD_RegisterIsoOutIncpltCallback(PCD_HandleTypeDef *hpcd,
281                                                        pPCD_IsoOutIncpltCallbackTypeDef pCallback);
282 
283 HAL_StatusTypeDef HAL_PCD_UnRegisterIsoOutIncpltCallback(PCD_HandleTypeDef *hpcd);
284 
285 HAL_StatusTypeDef HAL_PCD_RegisterIsoInIncpltCallback(PCD_HandleTypeDef *hpcd,
286                                                       pPCD_IsoInIncpltCallbackTypeDef pCallback);
287 
288 HAL_StatusTypeDef HAL_PCD_UnRegisterIsoInIncpltCallback(PCD_HandleTypeDef *hpcd);
289 
290 HAL_StatusTypeDef HAL_PCD_RegisterBcdCallback(PCD_HandleTypeDef *hpcd, pPCD_BcdCallbackTypeDef pCallback);
291 HAL_StatusTypeDef HAL_PCD_UnRegisterBcdCallback(PCD_HandleTypeDef *hpcd);
292 
293 HAL_StatusTypeDef HAL_PCD_RegisterLpmCallback(PCD_HandleTypeDef *hpcd, pPCD_LpmCallbackTypeDef pCallback);
294 HAL_StatusTypeDef HAL_PCD_UnRegisterLpmCallback(PCD_HandleTypeDef *hpcd);
295 #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
296 /**
297   * @}
298   */
299 
300 /* I/O operation functions  ***************************************************/
301 /* Non-Blocking mode: Interrupt */
302 /** @addtogroup PCD_Exported_Functions_Group2 Input and Output operation functions
303   * @{
304   */
305 HAL_StatusTypeDef HAL_PCD_Start(PCD_HandleTypeDef *hpcd);
306 HAL_StatusTypeDef HAL_PCD_Stop(PCD_HandleTypeDef *hpcd);
307 void HAL_PCD_IRQHandler(PCD_HandleTypeDef *hpcd);
308 
309 void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd);
310 void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd);
311 void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd);
312 void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd);
313 void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd);
314 void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd);
315 void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd);
316 
317 void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum);
318 void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum);
319 void HAL_PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum);
320 void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum);
321 /**
322   * @}
323   */
324 
325 /* Peripheral Control functions  **********************************************/
326 /** @addtogroup PCD_Exported_Functions_Group3 Peripheral Control functions
327   * @{
328   */
329 HAL_StatusTypeDef HAL_PCD_DevConnect(PCD_HandleTypeDef *hpcd);
330 HAL_StatusTypeDef HAL_PCD_DevDisconnect(PCD_HandleTypeDef *hpcd);
331 HAL_StatusTypeDef HAL_PCD_SetAddress(PCD_HandleTypeDef *hpcd, uint8_t address);
332 HAL_StatusTypeDef HAL_PCD_EP_Open(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint16_t ep_mps, uint8_t ep_type);
333 HAL_StatusTypeDef HAL_PCD_EP_Close(PCD_HandleTypeDef *hpcd, uint8_t ep_addr);
334 HAL_StatusTypeDef HAL_PCD_EP_Receive(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint8_t *pBuf, uint32_t len);
335 HAL_StatusTypeDef HAL_PCD_EP_Transmit(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint8_t *pBuf, uint32_t len);
336 HAL_StatusTypeDef HAL_PCD_EP_SetStall(PCD_HandleTypeDef *hpcd, uint8_t ep_addr);
337 HAL_StatusTypeDef HAL_PCD_EP_ClrStall(PCD_HandleTypeDef *hpcd, uint8_t ep_addr);
338 HAL_StatusTypeDef HAL_PCD_EP_Flush(PCD_HandleTypeDef *hpcd, uint8_t ep_addr);
339 HAL_StatusTypeDef HAL_PCD_EP_Abort(PCD_HandleTypeDef *hpcd, uint8_t ep_addr);
340 HAL_StatusTypeDef HAL_PCD_ActivateRemoteWakeup(PCD_HandleTypeDef *hpcd);
341 HAL_StatusTypeDef HAL_PCD_DeActivateRemoteWakeup(PCD_HandleTypeDef *hpcd);
342 uint32_t          HAL_PCD_EP_GetRxCount(PCD_HandleTypeDef *hpcd, uint8_t ep_addr);
343 /**
344   * @}
345   */
346 
347 /* Peripheral State functions  ************************************************/
348 /** @addtogroup PCD_Exported_Functions_Group4 Peripheral State functions
349   * @{
350   */
351 PCD_StateTypeDef HAL_PCD_GetState(PCD_HandleTypeDef *hpcd);
352 /**
353   * @}
354   */
355 
356 /**
357   * @}
358   */
359 
360 /* Private constants ---------------------------------------------------------*/
361 /** @defgroup PCD_Private_Constants PCD Private Constants
362   * @{
363   */
364 /** @defgroup USB_EXTI_Line_Interrupt USB EXTI line interrupt
365   * @{
366   */
367 
368 
369 #define USB_WAKEUP_EXTI_LINE                                          (0x1U << 18)  /*!< USB FS EXTI Line WakeUp Interrupt */
370 
371 
372 /**
373   * @}
374   */
375 
376 /** @defgroup PCD_EP0_MPS PCD EP0 MPS
377   * @{
378   */
379 #define PCD_EP0MPS_64                                                 EP_MPS_64
380 #define PCD_EP0MPS_32                                                 EP_MPS_32
381 #define PCD_EP0MPS_16                                                 EP_MPS_16
382 #define PCD_EP0MPS_08                                                 EP_MPS_8
383 /**
384   * @}
385   */
386 
387 /** @defgroup PCD_ENDP PCD ENDP
388   * @{
389   */
390 #define PCD_ENDP0                                                     0U
391 #define PCD_ENDP1                                                     1U
392 #define PCD_ENDP2                                                     2U
393 #define PCD_ENDP3                                                     3U
394 #define PCD_ENDP4                                                     4U
395 #define PCD_ENDP5                                                     5U
396 #define PCD_ENDP6                                                     6U
397 #define PCD_ENDP7                                                     7U
398 /**
399   * @}
400   */
401 
402 /** @defgroup PCD_ENDP_Kind PCD Endpoint Kind
403   * @{
404   */
405 #define PCD_SNG_BUF                                                   0U
406 #define PCD_DBL_BUF                                                   1U
407 /**
408   * @}
409   */
410 
411 /**
412   * @}
413   */
414 
415 /* Private macros ------------------------------------------------------------*/
416 /** @defgroup PCD_Private_Macros PCD Private Macros
417   * @{
418   */
419 
420 /********************  Bit definition for USB_COUNTn_RX register  *************/
421 #define USB_CNTRX_NBLK_MSK                    (0x1FU << 10)
422 #define USB_CNTRX_BLSIZE                      (0x1U << 15)
423 
424 /* SetENDPOINT */
425 #define PCD_SET_ENDPOINT(USBx, bEpNum, wRegValue) \
426   (*(__IO uint16_t *)(&(USBx)->EP0R + ((bEpNum) * 2U)) = (uint16_t)(wRegValue))
427 
428 /* GetENDPOINT */
429 #define PCD_GET_ENDPOINT(USBx, bEpNum)             (*(__IO uint16_t *)(&(USBx)->EP0R + ((bEpNum) * 2U)))
430 
431 
432 /**
433   * @brief  sets the type in the endpoint register(bits EP_TYPE[1:0])
434   * @param  USBx USB peripheral instance register address.
435   * @param  bEpNum Endpoint Number.
436   * @param  wType Endpoint Type.
437   * @retval None
438   */
439 #define PCD_SET_EPTYPE(USBx, bEpNum, wType) \
440   (PCD_SET_ENDPOINT((USBx), (bEpNum), \
441                     ((PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EP_T_MASK) | (wType) | USB_EP_CTR_TX | USB_EP_CTR_RX)))
442 
443 
444 /**
445   * @brief  gets the type in the endpoint register(bits EP_TYPE[1:0])
446   * @param  USBx USB peripheral instance register address.
447   * @param  bEpNum Endpoint Number.
448   * @retval Endpoint Type
449   */
450 #define PCD_GET_EPTYPE(USBx, bEpNum) (PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EP_T_FIELD)
451 
452 /**
453   * @brief free buffer used from the application realizing it to the line
454   *         toggles bit SW_BUF in the double buffered endpoint register
455   * @param USBx USB device.
456   * @param   bEpNum, bDir
457   * @retval None
458   */
459 #define PCD_FREE_USER_BUFFER(USBx, bEpNum, bDir) \
460   do { \
461     if ((bDir) == 0U) \
462     { \
463       /* OUT double buffered endpoint */ \
464       PCD_TX_DTOG((USBx), (bEpNum)); \
465     } \
466     else if ((bDir) == 1U) \
467     { \
468       /* IN double buffered endpoint */ \
469       PCD_RX_DTOG((USBx), (bEpNum)); \
470     } \
471   } while(0)
472 
473 /**
474   * @brief  sets the status for tx transfer (bits STAT_TX[1:0]).
475   * @param  USBx USB peripheral instance register address.
476   * @param  bEpNum Endpoint Number.
477   * @param  wState new state
478   * @retval None
479   */
480 #define PCD_SET_EP_TX_STATUS(USBx, bEpNum, wState) \
481   do { \
482     uint16_t _wRegVal; \
483     \
484     _wRegVal = PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EPTX_DTOGMASK; \
485     /* toggle first bit ? */ \
486     if ((USB_EPTX_DTOG1 & (wState))!= 0U) \
487     { \
488       _wRegVal ^= USB_EPTX_DTOG1; \
489     } \
490     /* toggle second bit ?  */ \
491     if ((USB_EPTX_DTOG2 & (wState))!= 0U) \
492     { \
493       _wRegVal ^= USB_EPTX_DTOG2; \
494     } \
495     PCD_SET_ENDPOINT((USBx), (bEpNum), (_wRegVal | USB_EP_CTR_RX | USB_EP_CTR_TX)); \
496   } while(0) /* PCD_SET_EP_TX_STATUS */
497 
498 /**
499   * @brief  sets the status for rx transfer (bits STAT_TX[1:0])
500   * @param  USBx USB peripheral instance register address.
501   * @param  bEpNum Endpoint Number.
502   * @param  wState new state
503   * @retval None
504   */
505 #define PCD_SET_EP_RX_STATUS(USBx, bEpNum,wState) \
506   do { \
507     uint16_t _wRegVal; \
508     \
509     _wRegVal = PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EPRX_DTOGMASK; \
510     /* toggle first bit ? */ \
511     if ((USB_EPRX_DTOG1 & (wState))!= 0U) \
512     { \
513       _wRegVal ^= USB_EPRX_DTOG1; \
514     } \
515     /* toggle second bit ? */ \
516     if ((USB_EPRX_DTOG2 & (wState))!= 0U) \
517     { \
518       _wRegVal ^= USB_EPRX_DTOG2; \
519     } \
520     PCD_SET_ENDPOINT((USBx), (bEpNum), (_wRegVal | USB_EP_CTR_RX | USB_EP_CTR_TX)); \
521   } while(0) /* PCD_SET_EP_RX_STATUS */
522 
523 /**
524   * @brief  sets the status for rx & tx (bits STAT_TX[1:0] & STAT_RX[1:0])
525   * @param  USBx USB peripheral instance register address.
526   * @param  bEpNum Endpoint Number.
527   * @param  wStaterx new state.
528   * @param  wStatetx new state.
529   * @retval None
530   */
531 #define PCD_SET_EP_TXRX_STATUS(USBx, bEpNum, wStaterx, wStatetx) \
532   do { \
533     uint16_t _wRegVal; \
534     \
535     _wRegVal = PCD_GET_ENDPOINT((USBx), (bEpNum)) & (USB_EPRX_DTOGMASK | USB_EPTX_STAT); \
536     /* toggle first bit ? */ \
537     if ((USB_EPRX_DTOG1 & (wStaterx))!= 0U) \
538     { \
539       _wRegVal ^= USB_EPRX_DTOG1; \
540     } \
541     /* toggle second bit ? */ \
542     if ((USB_EPRX_DTOG2 & (wStaterx))!= 0U) \
543     { \
544       _wRegVal ^= USB_EPRX_DTOG2; \
545     } \
546     /* toggle first bit ? */ \
547     if ((USB_EPTX_DTOG1 & (wStatetx))!= 0U) \
548     { \
549       _wRegVal ^= USB_EPTX_DTOG1; \
550     } \
551     /* toggle second bit ?  */ \
552     if ((USB_EPTX_DTOG2 & (wStatetx))!= 0U) \
553     { \
554       _wRegVal ^= USB_EPTX_DTOG2; \
555     } \
556     \
557     PCD_SET_ENDPOINT((USBx), (bEpNum), (_wRegVal | USB_EP_CTR_RX | USB_EP_CTR_TX)); \
558   } while(0) /* PCD_SET_EP_TXRX_STATUS */
559 
560 /**
561   * @brief  gets the status for tx/rx transfer (bits STAT_TX[1:0]
562   *         /STAT_RX[1:0])
563   * @param  USBx USB peripheral instance register address.
564   * @param  bEpNum Endpoint Number.
565   * @retval status
566   */
567 #define PCD_GET_EP_TX_STATUS(USBx, bEpNum)     ((uint16_t)PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EPTX_STAT)
568 #define PCD_GET_EP_RX_STATUS(USBx, bEpNum)     ((uint16_t)PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EPRX_STAT)
569 
570 /**
571   * @brief  sets directly the VALID tx/rx-status into the endpoint register
572   * @param  USBx USB peripheral instance register address.
573   * @param  bEpNum Endpoint Number.
574   * @retval None
575   */
576 #define PCD_SET_EP_TX_VALID(USBx, bEpNum)      (PCD_SET_EP_TX_STATUS((USBx), (bEpNum), USB_EP_TX_VALID))
577 #define PCD_SET_EP_RX_VALID(USBx, bEpNum)      (PCD_SET_EP_RX_STATUS((USBx), (bEpNum), USB_EP_RX_VALID))
578 
579 /**
580   * @brief  checks stall condition in an endpoint.
581   * @param  USBx USB peripheral instance register address.
582   * @param  bEpNum Endpoint Number.
583   * @retval TRUE = endpoint in stall condition.
584   */
585 #define PCD_GET_EP_TX_STALL_STATUS(USBx, bEpNum) (PCD_GET_EP_TX_STATUS((USBx), (bEpNum)) == USB_EP_TX_STALL)
586 #define PCD_GET_EP_RX_STALL_STATUS(USBx, bEpNum) (PCD_GET_EP_RX_STATUS((USBx), (bEpNum)) == USB_EP_RX_STALL)
587 
588 /**
589   * @brief  set & clear EP_KIND bit.
590   * @param  USBx USB peripheral instance register address.
591   * @param  bEpNum Endpoint Number.
592   * @retval None
593   */
594 #define PCD_SET_EP_KIND(USBx, bEpNum) \
595   do { \
596     uint16_t _wRegVal; \
597     \
598     _wRegVal = PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EPREG_MASK; \
599     \
600     PCD_SET_ENDPOINT((USBx), (bEpNum), (_wRegVal | USB_EP_CTR_RX | USB_EP_CTR_TX | USB_EP_KIND)); \
601   } while(0) /* PCD_SET_EP_KIND */
602 
603 #define PCD_CLEAR_EP_KIND(USBx, bEpNum) \
604   do { \
605     uint16_t _wRegVal; \
606     \
607     _wRegVal = PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EPKIND_MASK; \
608     \
609     PCD_SET_ENDPOINT((USBx), (bEpNum), (_wRegVal | USB_EP_CTR_RX | USB_EP_CTR_TX)); \
610   } while(0) /* PCD_CLEAR_EP_KIND */
611 
612 /**
613   * @brief  Sets/clears directly STATUS_OUT bit in the endpoint register.
614   * @param  USBx USB peripheral instance register address.
615   * @param  bEpNum Endpoint Number.
616   * @retval None
617   */
618 #define PCD_SET_OUT_STATUS(USBx, bEpNum)       PCD_SET_EP_KIND((USBx), (bEpNum))
619 #define PCD_CLEAR_OUT_STATUS(USBx, bEpNum)     PCD_CLEAR_EP_KIND((USBx), (bEpNum))
620 
621 /**
622   * @brief  Sets/clears directly EP_KIND bit in the endpoint register.
623   * @param  USBx USB peripheral instance register address.
624   * @param  bEpNum Endpoint Number.
625   * @retval None
626   */
627 #define PCD_SET_BULK_EP_DBUF(USBx, bEpNum)     PCD_SET_EP_KIND((USBx), (bEpNum))
628 #define PCD_CLEAR_BULK_EP_DBUF(USBx, bEpNum)   PCD_CLEAR_EP_KIND((USBx), (bEpNum))
629 
630 /**
631   * @brief  Clears bit CTR_RX / CTR_TX in the endpoint register.
632   * @param  USBx USB peripheral instance register address.
633   * @param  bEpNum Endpoint Number.
634   * @retval None
635   */
636 #define PCD_CLEAR_RX_EP_CTR(USBx, bEpNum) \
637   do { \
638     uint16_t _wRegVal; \
639     \
640     _wRegVal = PCD_GET_ENDPOINT((USBx), (bEpNum)) & (0x7FFFU & USB_EPREG_MASK); \
641     \
642     PCD_SET_ENDPOINT((USBx), (bEpNum), (_wRegVal | USB_EP_CTR_TX)); \
643   } while(0) /* PCD_CLEAR_RX_EP_CTR */
644 
645 #define PCD_CLEAR_TX_EP_CTR(USBx, bEpNum) \
646   do { \
647     uint16_t _wRegVal; \
648     \
649     _wRegVal = PCD_GET_ENDPOINT((USBx), (bEpNum)) & (0xFF7FU & USB_EPREG_MASK); \
650     \
651     PCD_SET_ENDPOINT((USBx), (bEpNum), (_wRegVal | USB_EP_CTR_RX)); \
652   } while(0) /* PCD_CLEAR_TX_EP_CTR */
653 
654 /**
655   * @brief  Toggles DTOG_RX / DTOG_TX bit in the endpoint register.
656   * @param  USBx USB peripheral instance register address.
657   * @param  bEpNum Endpoint Number.
658   * @retval None
659   */
660 #define PCD_RX_DTOG(USBx, bEpNum) \
661   do { \
662     uint16_t _wEPVal; \
663     \
664     _wEPVal = PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EPREG_MASK; \
665     \
666     PCD_SET_ENDPOINT((USBx), (bEpNum), (_wEPVal | USB_EP_CTR_RX | USB_EP_CTR_TX | USB_EP_DTOG_RX)); \
667   } while(0) /* PCD_RX_DTOG */
668 
669 #define PCD_TX_DTOG(USBx, bEpNum) \
670   do { \
671     uint16_t _wEPVal; \
672     \
673     _wEPVal = PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EPREG_MASK; \
674     \
675     PCD_SET_ENDPOINT((USBx), (bEpNum), (_wEPVal | USB_EP_CTR_RX | USB_EP_CTR_TX | USB_EP_DTOG_TX)); \
676   } while(0) /* PCD_TX_DTOG */
677 /**
678   * @brief  Clears DTOG_RX / DTOG_TX bit in the endpoint register.
679   * @param  USBx USB peripheral instance register address.
680   * @param  bEpNum Endpoint Number.
681   * @retval None
682   */
683 #define PCD_CLEAR_RX_DTOG(USBx, bEpNum) \
684   do { \
685     uint16_t _wRegVal; \
686     \
687     _wRegVal = PCD_GET_ENDPOINT((USBx), (bEpNum)); \
688     \
689     if ((_wRegVal & USB_EP_DTOG_RX) != 0U)\
690     { \
691       PCD_RX_DTOG((USBx), (bEpNum)); \
692     } \
693   } while(0) /* PCD_CLEAR_RX_DTOG */
694 
695 #define PCD_CLEAR_TX_DTOG(USBx, bEpNum) \
696   do { \
697     uint16_t _wRegVal; \
698     \
699     _wRegVal = PCD_GET_ENDPOINT((USBx), (bEpNum)); \
700     \
701     if ((_wRegVal & USB_EP_DTOG_TX) != 0U)\
702     { \
703       PCD_TX_DTOG((USBx), (bEpNum)); \
704     } \
705   } while(0) /* PCD_CLEAR_TX_DTOG */
706 
707 /**
708   * @brief  Sets address in an endpoint register.
709   * @param  USBx USB peripheral instance register address.
710   * @param  bEpNum Endpoint Number.
711   * @param  bAddr Address.
712   * @retval None
713   */
714 #define PCD_SET_EP_ADDRESS(USBx, bEpNum, bAddr) \
715   do { \
716     uint16_t _wRegVal; \
717     \
718     _wRegVal = (PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EPREG_MASK) | (bAddr); \
719     \
720     PCD_SET_ENDPOINT((USBx), (bEpNum), (_wRegVal | USB_EP_CTR_RX | USB_EP_CTR_TX)); \
721   } while(0) /* PCD_SET_EP_ADDRESS */
722 
723 /**
724   * @brief  Gets address in an endpoint register.
725   * @param  USBx USB peripheral instance register address.
726   * @param  bEpNum Endpoint Number.
727   * @retval None
728   */
729 #define PCD_GET_EP_ADDRESS(USBx, bEpNum) ((uint8_t)(PCD_GET_ENDPOINT((USBx), (bEpNum)) & USB_EPADDR_FIELD))
730 
731 #define PCD_EP_TX_CNT(USBx, bEpNum) \
732   ((uint16_t *)((((uint32_t)(USBx)->BTABLE + \
733                   ((uint32_t)(bEpNum) * 8U) + 2U) * PMA_ACCESS) + ((uint32_t)(USBx) + 0x400U)))
734 
735 #define PCD_EP_RX_CNT(USBx, bEpNum) \
736   ((uint16_t *)((((uint32_t)(USBx)->BTABLE + \
737                   ((uint32_t)(bEpNum) * 8U) + 6U) * PMA_ACCESS) + ((uint32_t)(USBx) + 0x400U)))
738 
739 
740 /**
741   * @brief  sets address of the tx/rx buffer.
742   * @param  USBx USB peripheral instance register address.
743   * @param  bEpNum Endpoint Number.
744   * @param  wAddr address to be set (must be word aligned).
745   * @retval None
746   */
747 #define PCD_SET_EP_TX_ADDRESS(USBx, bEpNum, wAddr) \
748   do { \
749     __IO uint16_t *_wRegVal; \
750     uint32_t _wRegBase = (uint32_t)USBx; \
751     \
752     _wRegBase += (uint32_t)(USBx)->BTABLE; \
753     _wRegVal = (__IO uint16_t *)(_wRegBase + 0x400U + (((uint32_t)(bEpNum) * 8U) * PMA_ACCESS)); \
754     *_wRegVal = ((wAddr) >> 1) << 1; \
755   } while(0) /* PCD_SET_EP_TX_ADDRESS */
756 
757 #define PCD_SET_EP_RX_ADDRESS(USBx, bEpNum, wAddr) \
758   do { \
759     __IO uint16_t *_wRegVal; \
760     uint32_t _wRegBase = (uint32_t)USBx; \
761     \
762     _wRegBase += (uint32_t)(USBx)->BTABLE; \
763     _wRegVal = (__IO uint16_t *)(_wRegBase + 0x400U + ((((uint32_t)(bEpNum) * 8U) + 4U) * PMA_ACCESS)); \
764     *_wRegVal = ((wAddr) >> 1) << 1; \
765   } while(0) /* PCD_SET_EP_RX_ADDRESS */
766 
767 /**
768   * @brief  Gets address of the tx/rx buffer.
769   * @param  USBx USB peripheral instance register address.
770   * @param  bEpNum Endpoint Number.
771   * @retval address of the buffer.
772   */
773 #define PCD_GET_EP_TX_ADDRESS(USBx, bEpNum) ((uint16_t)*PCD_EP_TX_ADDRESS((USBx), (bEpNum)))
774 #define PCD_GET_EP_RX_ADDRESS(USBx, bEpNum) ((uint16_t)*PCD_EP_RX_ADDRESS((USBx), (bEpNum)))
775 
776 /**
777   * @brief  Sets counter of rx buffer with no. of blocks.
778   * @param  pdwReg Register pointer
779   * @param  wCount Counter.
780   * @param  wNBlocks no. of Blocks.
781   * @retval None
782   */
783 #define PCD_CALC_BLK32(pdwReg, wCount, wNBlocks) \
784   do { \
785     (wNBlocks) = (wCount) >> 5; \
786     if (((wCount) & 0x1fU) == 0U) \
787     { \
788       (wNBlocks)--; \
789     } \
790     *(pdwReg) |= (uint16_t)(((wNBlocks) << 10) | USB_CNTRX_BLSIZE); \
791   } while(0) /* PCD_CALC_BLK32 */
792 
793 #define PCD_CALC_BLK2(pdwReg, wCount, wNBlocks) \
794   do { \
795     (wNBlocks) = (wCount) >> 1; \
796     if (((wCount) & 0x1U) != 0U) \
797     { \
798       (wNBlocks)++; \
799     } \
800     *(pdwReg) |= (uint16_t)((wNBlocks) << 10); \
801   } while(0) /* PCD_CALC_BLK2 */
802 
803 #define PCD_SET_EP_CNT_RX_REG(pdwReg, wCount) \
804   do { \
805     uint32_t wNBlocks; \
806     \
807     *(pdwReg) &= 0x3FFU; \
808     \
809     if ((wCount) > 62U) \
810     { \
811       PCD_CALC_BLK32((pdwReg), (wCount), wNBlocks); \
812     } \
813     else \
814     { \
815       if ((wCount) == 0U) \
816       { \
817         *(pdwReg) |= USB_CNTRX_BLSIZE; \
818       } \
819       else \
820       { \
821         PCD_CALC_BLK2((pdwReg), (wCount), wNBlocks); \
822       } \
823     } \
824   } while(0) /* PCD_SET_EP_CNT_RX_REG */
825 
826 #define PCD_SET_EP_RX_DBUF0_CNT(USBx, bEpNum, wCount) \
827   do { \
828     uint32_t _wRegBase = (uint32_t)(USBx); \
829     __IO uint16_t *pdwReg; \
830     \
831     _wRegBase += (uint32_t)(USBx)->BTABLE; \
832     pdwReg = (__IO uint16_t *)(_wRegBase + 0x400U + ((((uint32_t)(bEpNum) * 8U) + 2U) * PMA_ACCESS)); \
833     PCD_SET_EP_CNT_RX_REG(pdwReg, (wCount)); \
834   } while(0)
835 
836 /**
837   * @brief  sets counter for the tx/rx buffer.
838   * @param  USBx USB peripheral instance register address.
839   * @param  bEpNum Endpoint Number.
840   * @param  wCount Counter value.
841   * @retval None
842   */
843 #define PCD_SET_EP_TX_CNT(USBx, bEpNum, wCount) \
844   do { \
845     uint32_t _wRegBase = (uint32_t)(USBx); \
846     __IO uint16_t *_wRegVal; \
847     \
848     _wRegBase += (uint32_t)(USBx)->BTABLE; \
849     _wRegVal = (__IO uint16_t *)(_wRegBase + 0x400U + ((((uint32_t)(bEpNum) * 8U) + 2U) * PMA_ACCESS)); \
850     *_wRegVal = (uint16_t)(wCount); \
851   } while(0)
852 
853 #define PCD_SET_EP_RX_CNT(USBx, bEpNum, wCount) \
854   do { \
855     uint32_t _wRegBase = (uint32_t)(USBx); \
856     __IO uint16_t *_wRegVal; \
857     \
858     _wRegBase += (uint32_t)(USBx)->BTABLE; \
859     _wRegVal = (__IO uint16_t *)(_wRegBase + 0x400U + ((((uint32_t)(bEpNum) * 8U) + 6U) * PMA_ACCESS)); \
860     PCD_SET_EP_CNT_RX_REG(_wRegVal, (wCount)); \
861   } while(0)
862 
863 /**
864   * @brief  gets counter of the tx buffer.
865   * @param  USBx USB peripheral instance register address.
866   * @param  bEpNum Endpoint Number.
867   * @retval Counter value
868   */
869 #define PCD_GET_EP_TX_CNT(USBx, bEpNum)        ((uint32_t)(*PCD_EP_TX_CNT((USBx), (bEpNum))) & 0x3ffU)
870 #define PCD_GET_EP_RX_CNT(USBx, bEpNum)        ((uint32_t)(*PCD_EP_RX_CNT((USBx), (bEpNum))) & 0x3ffU)
871 
872 /**
873   * @brief  Sets buffer 0/1 address in a double buffer endpoint.
874   * @param  USBx USB peripheral instance register address.
875   * @param  bEpNum Endpoint Number.
876   * @param  wBuf0Addr buffer 0 address.
877   * @retval Counter value
878   */
879 #define PCD_SET_EP_DBUF0_ADDR(USBx, bEpNum, wBuf0Addr) \
880   do { \
881     PCD_SET_EP_TX_ADDRESS((USBx), (bEpNum), (wBuf0Addr)); \
882   } while(0) /* PCD_SET_EP_DBUF0_ADDR */
883 
884 #define PCD_SET_EP_DBUF1_ADDR(USBx, bEpNum, wBuf1Addr) \
885   do { \
886     PCD_SET_EP_RX_ADDRESS((USBx), (bEpNum), (wBuf1Addr)); \
887   } while(0) /* PCD_SET_EP_DBUF1_ADDR */
888 
889 /**
890   * @brief  Sets addresses in a double buffer endpoint.
891   * @param  USBx USB peripheral instance register address.
892   * @param  bEpNum Endpoint Number.
893   * @param  wBuf0Addr: buffer 0 address.
894   * @param  wBuf1Addr = buffer 1 address.
895   * @retval None
896   */
897 #define PCD_SET_EP_DBUF_ADDR(USBx, bEpNum, wBuf0Addr, wBuf1Addr) \
898   do { \
899     PCD_SET_EP_DBUF0_ADDR((USBx), (bEpNum), (wBuf0Addr)); \
900     PCD_SET_EP_DBUF1_ADDR((USBx), (bEpNum), (wBuf1Addr)); \
901   } while(0) /* PCD_SET_EP_DBUF_ADDR */
902 
903 /**
904   * @brief  Gets buffer 0/1 address of a double buffer endpoint.
905   * @param  USBx USB peripheral instance register address.
906   * @param  bEpNum Endpoint Number.
907   * @retval None
908   */
909 #define PCD_GET_EP_DBUF0_ADDR(USBx, bEpNum)    (PCD_GET_EP_TX_ADDRESS((USBx), (bEpNum)))
910 #define PCD_GET_EP_DBUF1_ADDR(USBx, bEpNum)    (PCD_GET_EP_RX_ADDRESS((USBx), (bEpNum)))
911 
912 /**
913   * @brief  Gets buffer 0/1 address of a double buffer endpoint.
914   * @param  USBx USB peripheral instance register address.
915   * @param  bEpNum Endpoint Number.
916   * @param  bDir endpoint dir  EP_DBUF_OUT = OUT
917   *         EP_DBUF_IN  = IN
918   * @param  wCount: Counter value
919   * @retval None
920   */
921 #define PCD_SET_EP_DBUF0_CNT(USBx, bEpNum, bDir, wCount) \
922   do { \
923     if ((bDir) == 0U) \
924       /* OUT endpoint */ \
925     { \
926       PCD_SET_EP_RX_DBUF0_CNT((USBx), (bEpNum), (wCount)); \
927     } \
928     else \
929     { \
930       if ((bDir) == 1U) \
931       { \
932         /* IN endpoint */ \
933         PCD_SET_EP_TX_CNT((USBx), (bEpNum), (wCount)); \
934       } \
935     } \
936   } while(0) /* SetEPDblBuf0Count*/
937 
938 #define PCD_SET_EP_DBUF1_CNT(USBx, bEpNum, bDir, wCount) \
939   do { \
940     uint32_t _wBase = (uint32_t)(USBx); \
941     __IO uint16_t *_wEPRegVal; \
942     \
943     if ((bDir) == 0U) \
944     { \
945       /* OUT endpoint */ \
946       PCD_SET_EP_RX_CNT((USBx), (bEpNum), (wCount)); \
947     } \
948     else \
949     { \
950       if ((bDir) == 1U) \
951       { \
952         /* IN endpoint */ \
953         _wBase += (uint32_t)(USBx)->BTABLE; \
954         _wEPRegVal = (__IO uint16_t *)(_wBase + 0x400U + ((((uint32_t)(bEpNum) * 8U) + 6U) * PMA_ACCESS)); \
955         *_wEPRegVal = (uint16_t)(wCount); \
956       } \
957     } \
958   } while(0) /* SetEPDblBuf1Count */
959 
960 #define PCD_SET_EP_DBUF_CNT(USBx, bEpNum, bDir, wCount) \
961   do { \
962     PCD_SET_EP_DBUF0_CNT((USBx), (bEpNum), (bDir), (wCount)); \
963     PCD_SET_EP_DBUF1_CNT((USBx), (bEpNum), (bDir), (wCount)); \
964   } while(0) /* PCD_SET_EP_DBUF_CNT */
965 
966 /**
967   * @brief  Gets buffer 0/1 rx/tx counter for double buffering.
968   * @param  USBx USB peripheral instance register address.
969   * @param  bEpNum Endpoint Number.
970   * @retval None
971   */
972 #define PCD_GET_EP_DBUF0_CNT(USBx, bEpNum)     (PCD_GET_EP_TX_CNT((USBx), (bEpNum)))
973 #define PCD_GET_EP_DBUF1_CNT(USBx, bEpNum)     (PCD_GET_EP_RX_CNT((USBx), (bEpNum)))
974 
975 
976 
977 /**
978   * @}
979   */
980 
981 /**
982   * @}
983   */
984 
985 /**
986   * @}
987   */
988 #endif /* defined (USB) */
989 
990 #ifdef __cplusplus
991 }
992 #endif
993 
994 #endif /* STM32L0xx_HAL_PCD_H */
995