1 /**
2 ******************************************************************************
3 * @file stm32c0xx_hal_hcd.h
4 * @author MCD Application Team
5 * @brief Header file of HCD HAL module.
6 ******************************************************************************
7 * @attention
8 *
9 * Copyright (c) 2022 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 STM32C0xx_HAL_HCD_H
21 #define STM32C0xx_HAL_HCD_H
22
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32c0xx_ll_usb.h"
29
30 #if defined (USB_DRD_FS)
31 /** @addtogroup STM32C0xx_HAL_Driver
32 * @{
33 */
34
35 /** @addtogroup HCD HCD
36 * @{
37 */
38
39 /* Exported types ------------------------------------------------------------*/
40 /** @defgroup HCD_Exported_Types HCD Exported Types
41 * @{
42 */
43
44 /** @defgroup HCD_Exported_Types_Group1 HCD State Structure definition
45 * @{
46 */
47 typedef enum
48 {
49 HAL_HCD_STATE_RESET = 0x00,
50 HAL_HCD_STATE_READY = 0x01,
51 HAL_HCD_STATE_ERROR = 0x02,
52 HAL_HCD_STATE_BUSY = 0x03,
53 HAL_HCD_STATE_TIMEOUT = 0x04
54 } HCD_StateTypeDef;
55
56 typedef USB_DRD_TypeDef HCD_TypeDef;
57 typedef USB_DRD_CfgTypeDef HCD_InitTypeDef;
58 typedef USB_DRD_HCTypeDef HCD_HCTypeDef;
59 typedef USB_DRD_URBStateTypeDef HCD_URBStateTypeDef;
60 typedef USB_DRD_HCStateTypeDef HCD_HCStateTypeDef;
61
62 typedef enum
63 {
64 HCD_HCD_STATE_DISCONNECTED = 0x00U,
65 HCD_HCD_STATE_CONNECTED = 0x01U,
66 HCD_HCD_STATE_RESETED = 0x02U,
67 HCD_HCD_STATE_RUN = 0x03U,
68 HCD_HCD_STATE_SUSPEND = 0x04U,
69 HCD_HCD_STATE_RESUME = 0x05U,
70 } HCD_HostStateTypeDef;
71
72 /* PMA lookup Table size depending on PMA Size
73 * 8Bytes each Block 32Bit in each word
74 */
75 #define PMA_BLOCKS ((USB_DRD_PMA_SIZE) / (8U * 32U))
76
77 /**
78 * @}
79 */
80
81 /** @defgroup HCD_Exported_Types_Group2 HCD Handle Structure definition
82 * @{
83 */
84 #if (USE_HAL_HCD_REGISTER_CALLBACKS == 1U)
85 typedef struct __HCD_HandleTypeDef
86 #else
87 typedef struct
88 #endif /* USE_HAL_HCD_REGISTER_CALLBACKS */
89 {
90 HCD_TypeDef *Instance; /*!< Register base address */
91 HCD_InitTypeDef Init; /*!< HCD required parameters */
92 HCD_HCTypeDef hc[16]; /*!< Host channels parameters */
93
94 uint32_t ep0_PmaAllocState; /*!< EP0 PMA allocation State (allocated, virtual Ch, EP0 direction) */
95 uint16_t phy_chin_state[8]; /*!< Physical Channel in State (Used/Free) */
96 uint16_t phy_chout_state[8]; /*!< Physical Channel out State (Used/Free)*/
97 uint32_t PMALookupTable[PMA_BLOCKS]; /*PMA LookUp Table */
98 HCD_HostStateTypeDef HostState; /*!< USB current state DICONNECT/CONNECT/RUN/SUSPEND/RESUME */
99
100 HAL_LockTypeDef Lock; /*!< HCD peripheral status */
101 __IO HCD_StateTypeDef State; /*!< HCD communication state */
102 __IO uint32_t ErrorCode; /*!< HCD Error code */
103 void *pData; /*!< Pointer Stack Handler */
104 #if (USE_HAL_HCD_REGISTER_CALLBACKS == 1U)
105 void (* SOFCallback)(struct __HCD_HandleTypeDef *hhcd); /*!< USB OTG HCD SOF callback */
106 void (* ConnectCallback)(struct __HCD_HandleTypeDef *hhcd); /*!< USB OTG HCD Connect callback */
107 void (* DisconnectCallback)(struct __HCD_HandleTypeDef *hhcd); /*!< USB OTG HCD Disconnect callback */
108 void (* PortEnabledCallback)(struct __HCD_HandleTypeDef *hhcd); /*!< USB OTG HCD Port Enable callback */
109 void (* PortDisabledCallback)(struct __HCD_HandleTypeDef *hhcd); /*!< USB OTG HCD Port Disable callback */
110 void (* HC_NotifyURBChangeCallback)(struct __HCD_HandleTypeDef *hhcd, uint8_t chnum,
111 HCD_URBStateTypeDef urb_state); /*!< USB OTG HCD Host Channel Notify URB Change callback */
112
113 void (* MspInitCallback)(struct __HCD_HandleTypeDef *hhcd); /*!< USB OTG HCD Msp Init callback */
114 void (* MspDeInitCallback)(struct __HCD_HandleTypeDef *hhcd); /*!< USB OTG HCD Msp DeInit callback */
115 #endif /* USE_HAL_HCD_REGISTER_CALLBACKS */
116 } HCD_HandleTypeDef;
117 /**
118 * @}
119 */
120
121 /**
122 * @}
123 */
124
125 /* Exported constants --------------------------------------------------------*/
126 /** @defgroup HCD_Exported_Constants HCD Exported Constants
127 * @{
128 */
129
130 /** @defgroup HCD_Speed HCD Speed
131 * @{
132 */
133 #define HCD_SPEED_FULL USBH_FSLS_SPEED
134 #define HCD_SPEED_LOW USBH_FSLS_SPEED
135 /**
136 * @}
137 */
138
139 /** @defgroup HCD_Device_Speed HCD Device Speed
140 * @{
141 */
142 #define HCD_DEVICE_SPEED_HIGH 0U
143 #define HCD_DEVICE_SPEED_FULL 1U
144 #define HCD_DEVICE_SPEED_LOW 2U
145 /**
146 * @}
147 */
148
149 /** @defgroup HCD_PHY_Module HCD PHY Module
150 * @{
151 */
152 #define HCD_PHY_ULPI 1U
153 #define HCD_PHY_EMBEDDED 2U
154 /**
155 * @}
156 */
157
158 /** @defgroup HCD_Error_Code_definition HCD Error Code definition
159 * @brief HCD Error Code definition
160 * @{
161 */
162 #if (USE_HAL_HCD_REGISTER_CALLBACKS == 1U)
163 #define HAL_HCD_ERROR_INVALID_CALLBACK (0x00000010U) /*!< Invalid Callback error */
164 #endif /* USE_HAL_HCD_REGISTER_CALLBACKS */
165
166 /**
167 * @}
168 */
169
170 /**
171 * @}
172 */
173
174 /* Exported macro ------------------------------------------------------------*/
175 /** @defgroup HCD_Exported_Macros HCD Exported Macros
176 * @brief macros to handle interrupts and specific clock configurations
177 * @{
178 */
179 #define __HAL_HCD_ENABLE(__HANDLE__) (void)USB_EnableGlobalInt ((__HANDLE__)->Instance)
180 #define __HAL_HCD_DISABLE(__HANDLE__) (void)USB_DisableGlobalInt ((__HANDLE__)->Instance)
181
182 #define __HAL_HCD_GET_FLAG(__HANDLE__, __INTERRUPT__) ((USB_ReadInterrupts((__HANDLE__)->Instance)\
183 & (__INTERRUPT__)) == (__INTERRUPT__))
184 #define __HAL_HCD_CLEAR_FLAG(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->ISTR) &= ~(__INTERRUPT__))
185 #define __HAL_HCD_IS_INVALID_INTERRUPT(__HANDLE__) (USB_ReadInterrupts((__HANDLE__)->Instance) == 0U)
186
187 #define __HAL_HCD_GET_CHNUM(__HANDLE__) (((__HANDLE__)->Instance->ISTR) & USB_ISTR_IDN)
188 #define __HAL_HCD_GET_CHDIR(__HANDLE__) (((__HANDLE__)->Instance->ISTR) & USB_ISTR_DIR)
189 /**
190 * @}
191 */
192
193 /* Exported functions --------------------------------------------------------*/
194 /** @addtogroup HCD_Exported_Functions HCD Exported Functions
195 * @{
196 */
197
198 /** @defgroup HCD_Exported_Functions_Group1 Initialization and de-initialization functions
199 * @{
200 */
201 HAL_StatusTypeDef HAL_HCD_Init(HCD_HandleTypeDef *hhcd);
202 HAL_StatusTypeDef HAL_HCD_DeInit(HCD_HandleTypeDef *hhcd);
203 HAL_StatusTypeDef HAL_HCD_HC_Init(HCD_HandleTypeDef *hhcd, uint8_t ch_num,
204 uint8_t epnum, uint8_t dev_address,
205 uint8_t speed, uint8_t ep_type, uint16_t mps);
206
207 HAL_StatusTypeDef HAL_HCD_HC_Halt(HCD_HandleTypeDef *hhcd, uint8_t ch_num);
208
209 HAL_StatusTypeDef HAL_HCD_HC_Close(HCD_HandleTypeDef *hhcd, uint8_t ch_num);
210
211 void HAL_HCD_MspInit(HCD_HandleTypeDef *hhcd);
212 void HAL_HCD_MspDeInit(HCD_HandleTypeDef *hhcd);
213
214 #if (USE_HAL_HCD_REGISTER_CALLBACKS == 1U)
215 /** @defgroup HAL_HCD_Callback_ID_enumeration_definition HAL USB OTG HCD Callback ID enumeration definition
216 * @brief HAL USB OTG HCD Callback ID enumeration definition
217 * @{
218 */
219 typedef enum
220 {
221 HAL_HCD_SOF_CB_ID = 0x01, /*!< USB HCD SOF callback ID */
222 HAL_HCD_CONNECT_CB_ID = 0x02, /*!< USB HCD Connect callback ID */
223 HAL_HCD_DISCONNECT_CB_ID = 0x03, /*!< USB HCD Disconnect callback ID */
224 HAL_HCD_PORT_ENABLED_CB_ID = 0x04, /*!< USB HCD Port Enable callback ID */
225 HAL_HCD_PORT_DISABLED_CB_ID = 0x05, /*!< USB HCD Port Disable callback ID */
226
227 HAL_HCD_MSPINIT_CB_ID = 0x06, /*!< USB HCD MspInit callback ID */
228 HAL_HCD_MSPDEINIT_CB_ID = 0x07 /*!< USB HCD MspDeInit callback ID */
229
230 } HAL_HCD_CallbackIDTypeDef;
231 /**
232 * @}
233 */
234
235 /** @defgroup HAL_HCD_Callback_pointer_definition HAL USB OTG HCD Callback pointer definition
236 * @brief HAL USB OTG HCD Callback pointer definition
237 * @{
238 */
239
240 typedef void (*pHCD_CallbackTypeDef)(HCD_HandleTypeDef *hhcd); /*!< pointer to a common USB OTG HCD callback function */
241 typedef void (*pHCD_HC_NotifyURBChangeCallbackTypeDef)(HCD_HandleTypeDef *hhcd,
242 uint8_t epnum,
243 HCD_URBStateTypeDef urb_state); /*!< pointer to USB OTG HCD host channel callback */
244 /**
245 * @}
246 */
247
248 HAL_StatusTypeDef HAL_HCD_RegisterCallback(HCD_HandleTypeDef *hhcd,
249 HAL_HCD_CallbackIDTypeDef CallbackID,
250 pHCD_CallbackTypeDef pCallback);
251
252 HAL_StatusTypeDef HAL_HCD_UnRegisterCallback(HCD_HandleTypeDef *hhcd,
253 HAL_HCD_CallbackIDTypeDef CallbackID);
254
255 HAL_StatusTypeDef HAL_HCD_RegisterHC_NotifyURBChangeCallback(HCD_HandleTypeDef *hhcd,
256 pHCD_HC_NotifyURBChangeCallbackTypeDef pCallback);
257
258 HAL_StatusTypeDef HAL_HCD_UnRegisterHC_NotifyURBChangeCallback(HCD_HandleTypeDef *hhcd);
259 #endif /* USE_HAL_HCD_REGISTER_CALLBACKS */
260 /**
261 * @}
262 */
263
264 /* I/O operation functions ***************************************************/
265 /** @addtogroup HCD_Exported_Functions_Group2 Input and Output operation functions
266 * @{
267 */
268 HAL_StatusTypeDef HAL_HCD_HC_SubmitRequest(HCD_HandleTypeDef *hhcd, uint8_t ch_num,
269 uint8_t direction, uint8_t ep_type,
270 uint8_t token, uint8_t *pbuff,
271 uint16_t length, uint8_t do_ping);
272
273 HAL_StatusTypeDef HAL_HCD_HC_SetHubInfo(HCD_HandleTypeDef *hhcd, uint8_t ch_num,
274 uint8_t addr, uint8_t PortNbr);
275
276 HAL_StatusTypeDef HAL_HCD_HC_ClearHubInfo(HCD_HandleTypeDef *hhcd, uint8_t ch_num);
277
278 /* Non-Blocking mode: Interrupt */
279 void HAL_HCD_IRQHandler(HCD_HandleTypeDef *hhcd);
280 void HAL_HCD_SOF_Callback(HCD_HandleTypeDef *hhcd);
281 void HAL_HCD_Connect_Callback(HCD_HandleTypeDef *hhcd);
282 void HAL_HCD_Disconnect_Callback(HCD_HandleTypeDef *hhcd);
283 void HAL_HCD_PortEnabled_Callback(HCD_HandleTypeDef *hhcd);
284 void HAL_HCD_PortDisabled_Callback(HCD_HandleTypeDef *hhcd);
285
286 void HAL_HCD_SuspendCallback(HCD_HandleTypeDef *hhcd);
287 void HAL_HCD_ResumeCallback(HCD_HandleTypeDef *hhcd);
288
289 void HAL_HCD_HC_NotifyURBChange_Callback(HCD_HandleTypeDef *hhcd, uint8_t chnum,
290 HCD_URBStateTypeDef urb_state);
291 /**
292 * @}
293 */
294
295 /* Peripheral Control functions **********************************************/
296 /** @addtogroup HCD_Exported_Functions_Group3 Peripheral Control functions
297 * @{
298 */
299 HAL_StatusTypeDef HAL_HCD_ResetPort(HCD_HandleTypeDef *hhcd);
300 HAL_StatusTypeDef HAL_HCD_Start(HCD_HandleTypeDef *hhcd);
301 HAL_StatusTypeDef HAL_HCD_Stop(HCD_HandleTypeDef *hhcd);
302
303 HAL_StatusTypeDef HAL_HCD_Suspend(HCD_HandleTypeDef *hhcd);
304 HAL_StatusTypeDef HAL_HCD_Resume(HCD_HandleTypeDef *hhcd);
305 HAL_StatusTypeDef HAL_HCD_ResumePort(HCD_HandleTypeDef *hhcd);
306
307 /**
308 * @}
309 */
310
311 /* Peripheral State functions ************************************************/
312 /** @addtogroup HCD_Exported_Functions_Group4 Peripheral State functions
313 * @{
314 */
315 HCD_StateTypeDef HAL_HCD_GetState(HCD_HandleTypeDef const *hhcd);
316 HCD_URBStateTypeDef HAL_HCD_HC_GetURBState(HCD_HandleTypeDef const *hhcd, uint8_t chnum);
317 HCD_HCStateTypeDef HAL_HCD_HC_GetState(HCD_HandleTypeDef const *hhcd, uint8_t chnum);
318 uint32_t HAL_HCD_HC_GetXferCount(HCD_HandleTypeDef const *hhcd, uint8_t chnum);
319 uint32_t HAL_HCD_GetCurrentFrame(HCD_HandleTypeDef *hhcd);
320 uint32_t HAL_HCD_GetCurrentSpeed(HCD_HandleTypeDef *hhcd);
321
322
323 /* PMA Allocation functions **********************************************/
324 /** @addtogroup PMA Allocation
325 * @{
326 */
327 HAL_StatusTypeDef HAL_HCD_PMAlloc(HCD_HandleTypeDef *hhcd, uint8_t ch_num,
328 uint16_t ch_kind, uint16_t mps);
329
330 HAL_StatusTypeDef HAL_HCD_PMADeAlloc(HCD_HandleTypeDef *hhcd, uint8_t ch_num);
331 HAL_StatusTypeDef HAL_HCD_PMAReset(HCD_HandleTypeDef *hhcd);
332
333 /**
334 * @}
335 */
336
337
338 /**
339 * @}
340 */
341
342 /* Private macros ------------------------------------------------------------*/
343 /** @defgroup HCD_Private_Macros HCD Private Macros
344 * @{
345 */
346
347 #define HCD_MIN(a, b) (((a) < (b)) ? (a) : (b))
348 #define HCD_MAX(a, b) (((a) > (b)) ? (a) : (b))
349
350 /** @defgroup HCD_LOGICAL_CHANNEL HCD Logical Channel
351 * @{
352 */
353 #define HCD_LOGICAL_CH_NOT_OPENED 0xFFU
354 #define HCD_FREE_CH_NOT_FOUND 0xFFU
355 /**
356 * @}
357 */
358
359 /** @defgroup HCD_ENDP_Kind HCD Endpoint Kind
360 * @{
361 */
362 #define HCD_SNG_BUF 0U
363 #define HCD_DBL_BUF 1U
364 /**
365 * @}
366 */
367
368 /* Powerdown exit count */
369 #define HCD_PDWN_EXIT_CNT 0x100U
370
371 /* Set Channel */
372 #define HCD_SET_CHANNEL USB_DRD_SET_CHEP
373
374 /* Get Channel Register */
375 #define HCD_GET_CHANNEL USB_DRD_GET_CHEP
376
377
378 /**
379 * @brief free buffer used from the application realizing it to the line
380 * toggles bit SW_BUF in the double buffered endpoint register
381 * @param USBx USB device.
382 * @param bChNum, bDir
383 * @retval None
384 */
385 #define HCD_FREE_USER_BUFFER USB_DRD_FREE_USER_BUFFER
386
387 /**
388 * @brief Set the Setup bit in the corresponding channel, when a Setup
389 transaction is needed.
390 * @param USBx USB device.
391 * @param bChNum
392 * @retval None
393 */
394 #define HAC_SET_CH_TX_SETUP USB_DRD_CHEP_TX_SETUP
395
396 /**
397 * @brief sets the status for tx transfer (bits STAT_TX[1:0]).
398 * @param USBx USB peripheral instance register address.
399 * @param bChNum Endpoint Number.
400 * @param wState new state
401 * @retval None
402 */
403 #define HCD_SET_CH_TX_STATUS USB_DRD_SET_CHEP_TX_STATUS
404
405 /**
406 * @brief sets the status for rx transfer (bits STAT_TX[1:0])
407 * @param USBx USB peripheral instance register address.
408 * @param bChNum Endpoint Number.
409 * @param wState new state
410 * @retval None
411 */
412 #define HCD_SET_CH_RX_STATUS USB_DRD_SET_CHEP_RX_STATUS
413 /**
414 * @brief gets the status for tx/rx transfer (bits STAT_TX[1:0]
415 * /STAT_RX[1:0])
416 * @param USBx USB peripheral instance register address.
417 * @param bChNum Endpoint Number.
418 * @retval status
419 */
420 #define HCD_GET_CH_TX_STATUS USB_DRD_GET_CHEP_TX_STATUS
421 #define HCD_GET_CH_RX_STATUS USB_DRD_GET_CHEP_RX_STATUS
422 /**
423 * @brief Sets/clears CH_KIND bit in the Channel register.
424 * @param USBx USB peripheral instance register address.
425 * @param bChNum Endpoint Number.
426 * @retval None
427 */
428 #define HCD_SET_CH_KIND USB_DRD_SET_CH_KIND
429 #define HCD_CLEAR_CH_KIND USB_DRD_CLEAR_CH_KIND
430 #define HCD_SET_BULK_CH_DBUF HCD_SET_CH_KIND
431 #define HCD_CLEAR_BULK_CH_DBUF HCD_CLEAR_CH_KIND
432
433 /**
434 * @brief Clears bit ERR_RX in the Channel register
435 * @param USBx USB peripheral instance register address.
436 * @param bChNum Endpoint Number.
437 * @retval None
438 */
439 #define HCD_CLEAR_RX_CH_ERR USB_DRD_CLEAR_CHEP_RX_ERR
440
441 /**
442 * @brief Clears bit ERR_TX in the Channel register
443 * @param USBx USB peripheral instance register address.
444 * @param bChNum Endpoint Number.
445 * @retval None
446 */
447 #define HCD_CLEAR_TX_CH_ERR USB_DRD_CLEAR_CHEP_TX_ERR
448 /**
449 * @brief Clears bit CTR_RX / CTR_TX in the endpoint register.
450 * @param USBx USB peripheral instance register address.
451 * @param bChNum Endpoint Number.
452 * @retval None
453 */
454 #define HCD_CLEAR_RX_CH_CTR USB_DRD_CLEAR_RX_CHEP_CTR
455 #define HCD_CLEAR_TX_CH_CTR USB_DRD_CLEAR_TX_CHEP_CTR
456
457 /**
458 * @brief Toggles DTOG_RX / DTOG_TX bit in the endpoint register.
459 * @param USBx USB peripheral instance register address.
460 * @param bChNum Endpoint Number.
461 * @retval None
462 */
463 #define HCD_RX_DTOG USB_DRD_RX_DTOG
464 #define HCD_TX_DTOG USB_DRD_TX_DTOG
465 /**
466 * @brief Clears DTOG_RX / DTOG_TX bit in the endpoint register.
467 * @param USBx USB peripheral instance register address.
468 * @param bChNum Endpoint Number.
469 * @retval None
470 */
471 #define HCD_CLEAR_RX_DTOG USB_DRD_CLEAR_RX_DTOG
472 #define HCD_CLEAR_TX_DTOG USB_DRD_CLEAR_TX_DTOG
473
474 /**
475 * @brief sets counter for the tx/rx buffer.
476 * @param USBx USB peripheral instance register address.
477 * @param bChNum Endpoint Number.
478 * @param wCount Counter value.
479 * @retval None
480 */
481 #define HCD_SET_CH_TX_CNT USB_DRD_SET_CHEP_TX_CNT
482 #define HCD_SET_CH_RX_CNT USB_DRD_SET_CHEP_RX_CNT
483
484 /**
485 * @brief gets counter of the tx buffer.
486 * @param USBx USB peripheral instance register address.
487 * @param bChNum channel Number.
488 * @retval Counter value
489 */
490 #define HCD_GET_CH_TX_CNT USB_DRD_GET_CHEP_TX_CNT
491
492 /**
493 * @brief gets counter of the rx buffer.
494 * @param Instance USB peripheral instance register address.
495 * @param bChNum channel Number.
496 * @retval Counter value
497 */
HCD_GET_CH_RX_CNT(HCD_TypeDef * Instance,uint16_t bChNum)498 __STATIC_INLINE uint16_t HCD_GET_CH_RX_CNT(HCD_TypeDef *Instance, uint16_t bChNum)
499 {
500 uint32_t HostCoreSpeed;
501 uint32_t ep_reg = USB_DRD_GET_CHEP(Instance, bChNum);
502 __IO uint32_t count = 10U;
503
504 /* Get Host core Speed */
505 HostCoreSpeed = USB_GetHostSpeed(Instance);
506
507 /* Count depends on device LS */
508 if ((HostCoreSpeed == USB_DRD_SPEED_LS) || ((ep_reg & USB_CHEP_LSEP) == USB_CHEP_LSEP))
509 {
510 count = (70U * (HAL_RCC_GetHCLKFreq() / 1000000U)) / 100U;
511 }
512
513 if (count > 15U)
514 {
515 count = HCD_MAX(10U, (count - 15U));
516 }
517
518 /* WA: few cycles for RX PMA descriptor to update */
519 while (count > 0U)
520 {
521 count--;
522 }
523
524 return (uint16_t)USB_DRD_GET_CHEP_RX_CNT((Instance), (bChNum));
525 }
526
527 /**
528 * @brief Gets buffer 0/1 address of a double buffer endpoint.
529 * @param USBx USB peripheral instance register address.
530 * @param bChNum Endpoint Number.
531 * @param bDir endpoint dir EP_DBUF_OUT = OUT
532 * EP_DBUF_IN = IN
533 * @param wCount: Counter value
534 * @retval None
535 */
536 #define HCD_SET_CH_DBUF0_CNT USB_DRD_SET_CHEP_DBUF0_CNT
537 #define HCD_SET_CH_DBUF1_CNT USB_DRD_SET_CHEP_DBUF1_CNT
538 #define HCD_SET_CH_DBUF_CNT USB_DRD_SET_CHEP_DBUF_CNT
539
540
541 /**
542 * @brief gets counter of the rx buffer0.
543 * @param Instance USB peripheral instance register address.
544 * @param bChNum channel Number.
545 * @retval Counter value
546 */
HCD_GET_CH_DBUF0_CNT(const HCD_TypeDef * Instance,uint16_t bChNum)547 __STATIC_INLINE uint16_t HCD_GET_CH_DBUF0_CNT(const HCD_TypeDef *Instance, uint16_t bChNum)
548 {
549 UNUSED(Instance);
550 __IO uint32_t count = 10U;
551
552 /* WA: few cycles for RX PMA descriptor to update */
553 while (count > 0U)
554 {
555 count--;
556 }
557
558 return (uint16_t)USB_DRD_GET_CHEP_DBUF0_CNT((Instance), (bChNum));
559 }
560
561 /**
562 * @brief gets counter of the rx buffer1.
563 * @param Instance USB peripheral instance register address.
564 * @param bChNum channel Number.
565 * @retval Counter value
566 */
HCD_GET_CH_DBUF1_CNT(const HCD_TypeDef * Instance,uint16_t bChNum)567 __STATIC_INLINE uint16_t HCD_GET_CH_DBUF1_CNT(const HCD_TypeDef *Instance, uint16_t bChNum)
568 {
569 UNUSED(Instance);
570 __IO uint32_t count = 10U;
571
572 /* WA: few cycles for RX PMA descriptor to update */
573 while (count > 0U)
574 {
575 count--;
576 }
577
578 return (uint16_t)USB_DRD_GET_CHEP_DBUF1_CNT((Instance), (bChNum));
579 }
580
581
582 /**
583 * @}
584 */
585 /* Private functions prototypes ----------------------------------------------*/
586
587 /**
588 * @}
589 */
590 /**
591 * @}
592 */
593 /**
594 * @}
595 */
596 #endif /* defined (USB_DRD_FS) */
597
598 #ifdef __cplusplus
599 }
600 #endif
601
602 #endif /* STM32C0xx_HAL_HCD_H */
603
