1 /** 2 ****************************************************************************** 3 * @file stm32f4xx_ll_usb.h 4 * @author MCD Application Team 5 * @brief Header file of USB Low Layer HAL module. 6 ****************************************************************************** 7 * @attention 8 * 9 * <h2><center>© Copyright (c) 2016 STMicroelectronics. 10 * All rights reserved.</center></h2> 11 * 12 * This software component is licensed by ST under BSD 3-Clause license, 13 * the "License"; You may not use this file except in compliance with the 14 * License. You may obtain a copy of the License at: 15 * opensource.org/licenses/BSD-3-Clause 16 * 17 ****************************************************************************** 18 */ 19 20 /* Define to prevent recursive inclusion -------------------------------------*/ 21 #ifndef STM32F4xx_LL_USB_H 22 #define STM32F4xx_LL_USB_H 23 24 #ifdef __cplusplus 25 extern "C" { 26 #endif 27 28 /* Includes ------------------------------------------------------------------*/ 29 #include "stm32f4xx_hal_def.h" 30 31 #if defined (USB_OTG_FS) || defined (USB_OTG_HS) 32 /** @addtogroup STM32F4xx_HAL_Driver 33 * @{ 34 */ 35 36 /** @addtogroup USB_LL 37 * @{ 38 */ 39 40 /* Exported types ------------------------------------------------------------*/ 41 42 /** 43 * @brief USB Mode definition 44 */ 45 #if defined (USB_OTG_FS) || defined (USB_OTG_HS) 46 47 typedef enum 48 { 49 USB_DEVICE_MODE = 0, 50 USB_HOST_MODE = 1, 51 USB_DRD_MODE = 2 52 } USB_OTG_ModeTypeDef; 53 54 /** 55 * @brief URB States definition 56 */ 57 typedef enum 58 { 59 URB_IDLE = 0, 60 URB_DONE, 61 URB_NOTREADY, 62 URB_NYET, 63 URB_ERROR, 64 URB_STALL 65 } USB_OTG_URBStateTypeDef; 66 67 /** 68 * @brief Host channel States definition 69 */ 70 typedef enum 71 { 72 HC_IDLE = 0, 73 HC_XFRC, 74 HC_HALTED, 75 HC_NAK, 76 HC_NYET, 77 HC_STALL, 78 HC_XACTERR, 79 HC_BBLERR, 80 HC_DATATGLERR 81 } USB_OTG_HCStateTypeDef; 82 83 /** 84 * @brief USB Instance Initialization Structure definition 85 */ 86 typedef struct 87 { 88 uint32_t dev_endpoints; /*!< Device Endpoints number. 89 This parameter depends on the used USB core. 90 This parameter must be a number between Min_Data = 1 and Max_Data = 15 */ 91 92 uint32_t Host_channels; /*!< Host Channels number. 93 This parameter Depends on the used USB core. 94 This parameter must be a number between Min_Data = 1 and Max_Data = 15 */ 95 96 uint32_t speed; /*!< USB Core speed. 97 This parameter can be any value of @ref PCD_Speed/HCD_Speed 98 (HCD_SPEED_xxx, HCD_SPEED_xxx) */ 99 100 uint32_t dma_enable; /*!< Enable or disable of the USB embedded DMA used only for OTG HS. */ 101 102 uint32_t ep0_mps; /*!< Set the Endpoint 0 Max Packet size. */ 103 104 uint32_t phy_itface; /*!< Select the used PHY interface. 105 This parameter can be any value of @ref PCD_PHY_Module/HCD_PHY_Module */ 106 107 uint32_t Sof_enable; /*!< Enable or disable the output of the SOF signal. */ 108 109 uint32_t low_power_enable; /*!< Enable or disable the low power mode. */ 110 111 uint32_t lpm_enable; /*!< Enable or disable Link Power Management. */ 112 113 uint32_t battery_charging_enable; /*!< Enable or disable Battery charging. */ 114 115 uint32_t vbus_sensing_enable; /*!< Enable or disable the VBUS Sensing feature. */ 116 117 uint32_t use_dedicated_ep1; /*!< Enable or disable the use of the dedicated EP1 interrupt. */ 118 119 uint32_t use_external_vbus; /*!< Enable or disable the use of the external VBUS. */ 120 121 } USB_OTG_CfgTypeDef; 122 123 typedef struct 124 { 125 uint8_t num; /*!< Endpoint number 126 This parameter must be a number between Min_Data = 1 and Max_Data = 15 */ 127 128 uint8_t is_in; /*!< Endpoint direction 129 This parameter must be a number between Min_Data = 0 and Max_Data = 1 */ 130 131 uint8_t is_stall; /*!< Endpoint stall condition 132 This parameter must be a number between Min_Data = 0 and Max_Data = 1 */ 133 134 uint8_t type; /*!< Endpoint type 135 This parameter can be any value of @ref USB_LL_EP_Type */ 136 137 uint8_t data_pid_start; /*!< Initial data PID 138 This parameter must be a number between Min_Data = 0 and Max_Data = 1 */ 139 140 uint8_t even_odd_frame; /*!< IFrame parity 141 This parameter must be a number between Min_Data = 0 and Max_Data = 1 */ 142 143 uint16_t tx_fifo_num; /*!< Transmission FIFO number 144 This parameter must be a number between Min_Data = 1 and Max_Data = 15 */ 145 146 uint32_t maxpacket; /*!< Endpoint Max packet size 147 This parameter must be a number between Min_Data = 0 and Max_Data = 64KB */ 148 149 uint8_t *xfer_buff; /*!< Pointer to transfer buffer */ 150 151 uint32_t dma_addr; /*!< 32 bits aligned transfer buffer address */ 152 153 uint32_t xfer_len; /*!< Current transfer length */ 154 155 uint32_t xfer_count; /*!< Partial transfer length in case of multi packet transfer */ 156 } USB_OTG_EPTypeDef; 157 158 typedef struct 159 { 160 uint8_t dev_addr; /*!< USB device address. 161 This parameter must be a number between Min_Data = 1 and Max_Data = 255 */ 162 163 uint8_t ch_num; /*!< Host channel number. 164 This parameter must be a number between Min_Data = 1 and Max_Data = 15 */ 165 166 uint8_t ep_num; /*!< Endpoint number. 167 This parameter must be a number between Min_Data = 1 and Max_Data = 15 */ 168 169 uint8_t ep_is_in; /*!< Endpoint direction 170 This parameter must be a number between Min_Data = 0 and Max_Data = 1 */ 171 172 uint8_t speed; /*!< USB Host Channel speed. 173 This parameter can be any value of @ref HCD_Device_Speed: 174 (HCD_DEVICE_SPEED_xxx) */ 175 176 uint8_t do_ping; /*!< Enable or disable the use of the PING protocol for HS mode. */ 177 178 uint8_t process_ping; /*!< Execute the PING protocol for HS mode. */ 179 180 uint8_t ep_type; /*!< Endpoint Type. 181 This parameter can be any value of @ref USB_LL_EP_Type */ 182 183 uint16_t max_packet; /*!< Endpoint Max packet size. 184 This parameter must be a number between Min_Data = 0 and Max_Data = 64KB */ 185 186 uint8_t data_pid; /*!< Initial data PID. 187 This parameter must be a number between Min_Data = 0 and Max_Data = 1 */ 188 189 uint8_t *xfer_buff; /*!< Pointer to transfer buffer. */ 190 191 uint32_t XferSize; /*!< OTG Channel transfer size. */ 192 193 uint32_t xfer_len; /*!< Current transfer length. */ 194 195 uint32_t xfer_count; /*!< Partial transfer length in case of multi packet transfer. */ 196 197 uint8_t toggle_in; /*!< IN transfer current toggle flag. 198 This parameter must be a number between Min_Data = 0 and Max_Data = 1 */ 199 200 uint8_t toggle_out; /*!< OUT transfer current toggle flag 201 This parameter must be a number between Min_Data = 0 and Max_Data = 1 */ 202 203 uint32_t dma_addr; /*!< 32 bits aligned transfer buffer address. */ 204 205 uint32_t ErrCnt; /*!< Host channel error count. */ 206 207 USB_OTG_URBStateTypeDef urb_state; /*!< URB state. 208 This parameter can be any value of @ref USB_OTG_URBStateTypeDef */ 209 210 USB_OTG_HCStateTypeDef state; /*!< Host Channel state. 211 This parameter can be any value of @ref USB_OTG_HCStateTypeDef */ 212 } USB_OTG_HCTypeDef; 213 #endif /* defined (USB_OTG_FS) || defined (USB_OTG_HS) */ 214 215 216 /* Exported constants --------------------------------------------------------*/ 217 218 /** @defgroup PCD_Exported_Constants PCD Exported Constants 219 * @{ 220 */ 221 222 #if defined (USB_OTG_FS) || defined (USB_OTG_HS) 223 /** @defgroup USB_OTG_CORE VERSION ID 224 * @{ 225 */ 226 #define USB_OTG_CORE_ID_300A 0x4F54300AU 227 #define USB_OTG_CORE_ID_310A 0x4F54310AU 228 /** 229 * @} 230 */ 231 232 /** @defgroup USB_Core_Mode_ USB Core Mode 233 * @{ 234 */ 235 #define USB_OTG_MODE_DEVICE 0U 236 #define USB_OTG_MODE_HOST 1U 237 #define USB_OTG_MODE_DRD 2U 238 /** 239 * @} 240 */ 241 242 /** @defgroup USB_LL Device Speed 243 * @{ 244 */ 245 #define USBD_HS_SPEED 0U 246 #define USBD_HSINFS_SPEED 1U 247 #define USBH_HS_SPEED 0U 248 #define USBD_FS_SPEED 2U 249 #define USBH_FSLS_SPEED 1U 250 /** 251 * @} 252 */ 253 254 /** @defgroup USB_LL_Core_Speed USB Low Layer Core Speed 255 * @{ 256 */ 257 #define USB_OTG_SPEED_HIGH 0U 258 #define USB_OTG_SPEED_HIGH_IN_FULL 1U 259 #define USB_OTG_SPEED_FULL 3U 260 /** 261 * @} 262 */ 263 264 /** @defgroup USB_LL_Core_PHY USB Low Layer Core PHY 265 * @{ 266 */ 267 #define USB_OTG_ULPI_PHY 1U 268 #define USB_OTG_EMBEDDED_PHY 2U 269 /** 270 * @} 271 */ 272 273 /** @defgroup USB_LL_Turnaround_Timeout Turnaround Timeout Value 274 * @{ 275 */ 276 #ifndef USBD_HS_TRDT_VALUE 277 #define USBD_HS_TRDT_VALUE 9U 278 #endif /* USBD_HS_TRDT_VALUE */ 279 #ifndef USBD_FS_TRDT_VALUE 280 #define USBD_FS_TRDT_VALUE 5U 281 #define USBD_DEFAULT_TRDT_VALUE 9U 282 #endif /* USBD_HS_TRDT_VALUE */ 283 /** 284 * @} 285 */ 286 287 /** @defgroup USB_LL_Core_MPS USB Low Layer Core MPS 288 * @{ 289 */ 290 #define USB_OTG_HS_MAX_PACKET_SIZE 512U 291 #define USB_OTG_FS_MAX_PACKET_SIZE 64U 292 #define USB_OTG_MAX_EP0_SIZE 64U 293 /** 294 * @} 295 */ 296 297 /** @defgroup USB_LL_Core_PHY_Frequency USB Low Layer Core PHY Frequency 298 * @{ 299 */ 300 #define DSTS_ENUMSPD_HS_PHY_30MHZ_OR_60MHZ (0U << 1) 301 #define DSTS_ENUMSPD_FS_PHY_30MHZ_OR_60MHZ (1U << 1) 302 #define DSTS_ENUMSPD_FS_PHY_48MHZ (3U << 1) 303 /** 304 * @} 305 */ 306 307 /** @defgroup USB_LL_CORE_Frame_Interval USB Low Layer Core Frame Interval 308 * @{ 309 */ 310 #define DCFG_FRAME_INTERVAL_80 0U 311 #define DCFG_FRAME_INTERVAL_85 1U 312 #define DCFG_FRAME_INTERVAL_90 2U 313 #define DCFG_FRAME_INTERVAL_95 3U 314 /** 315 * @} 316 */ 317 318 /** @defgroup USB_LL_EP0_MPS USB Low Layer EP0 MPS 319 * @{ 320 */ 321 #define EP_MPS_64 0U 322 #define EP_MPS_32 1U 323 #define EP_MPS_16 2U 324 #define EP_MPS_8 3U 325 /** 326 * @} 327 */ 328 329 /** @defgroup USB_LL_EP_Speed USB Low Layer EP Speed 330 * @{ 331 */ 332 #define EP_SPEED_LOW 0U 333 #define EP_SPEED_FULL 1U 334 #define EP_SPEED_HIGH 2U 335 /** 336 * @} 337 */ 338 339 /** @defgroup USB_LL_EP_Type USB Low Layer EP Type 340 * @{ 341 */ 342 #define EP_TYPE_CTRL 0U 343 #define EP_TYPE_ISOC 1U 344 #define EP_TYPE_BULK 2U 345 #define EP_TYPE_INTR 3U 346 #define EP_TYPE_MSK 3U 347 /** 348 * @} 349 */ 350 351 /** @defgroup USB_LL_STS_Defines USB Low Layer STS Defines 352 * @{ 353 */ 354 #define STS_GOUT_NAK 1U 355 #define STS_DATA_UPDT 2U 356 #define STS_XFER_COMP 3U 357 #define STS_SETUP_COMP 4U 358 #define STS_SETUP_UPDT 6U 359 /** 360 * @} 361 */ 362 363 /** @defgroup USB_LL_HCFG_SPEED_Defines USB Low Layer HCFG Speed Defines 364 * @{ 365 */ 366 #define HCFG_30_60_MHZ 0U 367 #define HCFG_48_MHZ 1U 368 #define HCFG_6_MHZ 2U 369 /** 370 * @} 371 */ 372 373 /** @defgroup USB_LL_HPRT0_PRTSPD_SPEED_Defines USB Low Layer HPRT0 PRTSPD Speed Defines 374 * @{ 375 */ 376 #define HPRT0_PRTSPD_HIGH_SPEED 0U 377 #define HPRT0_PRTSPD_FULL_SPEED 1U 378 #define HPRT0_PRTSPD_LOW_SPEED 2U 379 /** 380 * @} 381 */ 382 383 #define HCCHAR_CTRL 0U 384 #define HCCHAR_ISOC 1U 385 #define HCCHAR_BULK 2U 386 #define HCCHAR_INTR 3U 387 388 #define HC_PID_DATA0 0U 389 #define HC_PID_DATA2 1U 390 #define HC_PID_DATA1 2U 391 #define HC_PID_SETUP 3U 392 393 #define GRXSTS_PKTSTS_IN 2U 394 #define GRXSTS_PKTSTS_IN_XFER_COMP 3U 395 #define GRXSTS_PKTSTS_DATA_TOGGLE_ERR 5U 396 #define GRXSTS_PKTSTS_CH_HALTED 7U 397 398 #define USBx_PCGCCTL *(__IO uint32_t *)((uint32_t)USBx_BASE + USB_OTG_PCGCCTL_BASE) 399 #define USBx_HPRT0 *(__IO uint32_t *)((uint32_t)USBx_BASE + USB_OTG_HOST_PORT_BASE) 400 401 #define USBx_DEVICE ((USB_OTG_DeviceTypeDef *)(USBx_BASE + USB_OTG_DEVICE_BASE)) 402 #define USBx_INEP(i) ((USB_OTG_INEndpointTypeDef *)(USBx_BASE\ 403 + USB_OTG_IN_ENDPOINT_BASE + ((i) * USB_OTG_EP_REG_SIZE))) 404 405 #define USBx_OUTEP(i) ((USB_OTG_OUTEndpointTypeDef *)(USBx_BASE\ 406 + USB_OTG_OUT_ENDPOINT_BASE + ((i) * USB_OTG_EP_REG_SIZE))) 407 408 #define USBx_DFIFO(i) *(__IO uint32_t *)(USBx_BASE + USB_OTG_FIFO_BASE + ((i) * USB_OTG_FIFO_SIZE)) 409 410 #define USBx_HOST ((USB_OTG_HostTypeDef *)(USBx_BASE + USB_OTG_HOST_BASE)) 411 #define USBx_HC(i) ((USB_OTG_HostChannelTypeDef *)(USBx_BASE\ 412 + USB_OTG_HOST_CHANNEL_BASE\ 413 + ((i) * USB_OTG_HOST_CHANNEL_SIZE))) 414 415 #endif /* defined (USB_OTG_FS) || defined (USB_OTG_HS) */ 416 417 #define EP_ADDR_MSK 0xFU 418 /** 419 * @} 420 */ 421 422 /* Exported macro ------------------------------------------------------------*/ 423 /** @defgroup USB_LL_Exported_Macros USB Low Layer Exported Macros 424 * @{ 425 */ 426 #if defined (USB_OTG_FS) || defined (USB_OTG_HS) 427 #define USB_MASK_INTERRUPT(__INSTANCE__, __INTERRUPT__) ((__INSTANCE__)->GINTMSK &= ~(__INTERRUPT__)) 428 #define USB_UNMASK_INTERRUPT(__INSTANCE__, __INTERRUPT__) ((__INSTANCE__)->GINTMSK |= (__INTERRUPT__)) 429 430 #define CLEAR_IN_EP_INTR(__EPNUM__, __INTERRUPT__) (USBx_INEP(__EPNUM__)->DIEPINT = (__INTERRUPT__)) 431 #define CLEAR_OUT_EP_INTR(__EPNUM__, __INTERRUPT__) (USBx_OUTEP(__EPNUM__)->DOEPINT = (__INTERRUPT__)) 432 #endif /* defined (USB_OTG_FS) || defined (USB_OTG_HS) */ 433 /** 434 * @} 435 */ 436 437 /* Exported functions --------------------------------------------------------*/ 438 /** @addtogroup USB_LL_Exported_Functions USB Low Layer Exported Functions 439 * @{ 440 */ 441 #if defined (USB_OTG_FS) || defined (USB_OTG_HS) 442 HAL_StatusTypeDef USB_CoreInit(USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg); 443 HAL_StatusTypeDef USB_DevInit(USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg); 444 HAL_StatusTypeDef USB_EnableGlobalInt(USB_OTG_GlobalTypeDef *USBx); 445 HAL_StatusTypeDef USB_DisableGlobalInt(USB_OTG_GlobalTypeDef *USBx); 446 HAL_StatusTypeDef USB_SetTurnaroundTime(USB_OTG_GlobalTypeDef *USBx, uint32_t hclk, uint8_t speed); 447 HAL_StatusTypeDef USB_SetCurrentMode(USB_OTG_GlobalTypeDef *USBx, USB_OTG_ModeTypeDef mode); 448 HAL_StatusTypeDef USB_SetDevSpeed(USB_OTG_GlobalTypeDef *USBx, uint8_t speed); 449 HAL_StatusTypeDef USB_FlushRxFifo(USB_OTG_GlobalTypeDef *USBx); 450 HAL_StatusTypeDef USB_FlushTxFifo(USB_OTG_GlobalTypeDef *USBx, uint32_t num); 451 HAL_StatusTypeDef USB_ActivateEndpoint(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef *ep); 452 HAL_StatusTypeDef USB_DeactivateEndpoint(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef *ep); 453 HAL_StatusTypeDef USB_ActivateDedicatedEndpoint(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef *ep); 454 HAL_StatusTypeDef USB_DeactivateDedicatedEndpoint(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef *ep); 455 HAL_StatusTypeDef USB_EPStartXfer(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef *ep, uint8_t dma); 456 HAL_StatusTypeDef USB_EP0StartXfer(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef *ep, uint8_t dma); 457 HAL_StatusTypeDef USB_WritePacket(USB_OTG_GlobalTypeDef *USBx, uint8_t *src, 458 uint8_t ch_ep_num, uint16_t len, uint8_t dma); 459 460 void *USB_ReadPacket(USB_OTG_GlobalTypeDef *USBx, uint8_t *dest, uint16_t len); 461 HAL_StatusTypeDef USB_EPSetStall(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef *ep); 462 HAL_StatusTypeDef USB_EPClearStall(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef *ep); 463 HAL_StatusTypeDef USB_SetDevAddress(USB_OTG_GlobalTypeDef *USBx, uint8_t address); 464 HAL_StatusTypeDef USB_DevConnect(USB_OTG_GlobalTypeDef *USBx); 465 HAL_StatusTypeDef USB_DevDisconnect(USB_OTG_GlobalTypeDef *USBx); 466 HAL_StatusTypeDef USB_StopDevice(USB_OTG_GlobalTypeDef *USBx); 467 HAL_StatusTypeDef USB_ActivateSetup(USB_OTG_GlobalTypeDef *USBx); 468 HAL_StatusTypeDef USB_EP0_OutStart(USB_OTG_GlobalTypeDef *USBx, uint8_t dma, uint8_t *psetup); 469 uint8_t USB_GetDevSpeed(USB_OTG_GlobalTypeDef *USBx); 470 uint32_t USB_GetMode(USB_OTG_GlobalTypeDef *USBx); 471 uint32_t USB_ReadInterrupts(USB_OTG_GlobalTypeDef *USBx); 472 uint32_t USB_ReadDevAllOutEpInterrupt(USB_OTG_GlobalTypeDef *USBx); 473 uint32_t USB_ReadDevOutEPInterrupt(USB_OTG_GlobalTypeDef *USBx, uint8_t epnum); 474 uint32_t USB_ReadDevAllInEpInterrupt(USB_OTG_GlobalTypeDef *USBx); 475 uint32_t USB_ReadDevInEPInterrupt(USB_OTG_GlobalTypeDef *USBx, uint8_t epnum); 476 void USB_ClearInterrupts(USB_OTG_GlobalTypeDef *USBx, uint32_t interrupt); 477 478 HAL_StatusTypeDef USB_HostInit(USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg); 479 HAL_StatusTypeDef USB_InitFSLSPClkSel(USB_OTG_GlobalTypeDef *USBx, uint8_t freq); 480 HAL_StatusTypeDef USB_ResetPort(USB_OTG_GlobalTypeDef *USBx); 481 HAL_StatusTypeDef USB_DriveVbus(USB_OTG_GlobalTypeDef *USBx, uint8_t state); 482 uint32_t USB_GetHostSpeed(USB_OTG_GlobalTypeDef *USBx); 483 uint32_t USB_GetCurrentFrame(USB_OTG_GlobalTypeDef *USBx); 484 HAL_StatusTypeDef USB_HC_Init(USB_OTG_GlobalTypeDef *USBx, uint8_t ch_num, 485 uint8_t epnum, uint8_t dev_address, uint8_t speed, 486 uint8_t ep_type, uint16_t mps); 487 HAL_StatusTypeDef USB_HC_StartXfer(USB_OTG_GlobalTypeDef *USBx, 488 USB_OTG_HCTypeDef *hc, uint8_t dma); 489 490 uint32_t USB_HC_ReadInterrupt(USB_OTG_GlobalTypeDef *USBx); 491 HAL_StatusTypeDef USB_HC_Halt(USB_OTG_GlobalTypeDef *USBx, uint8_t hc_num); 492 HAL_StatusTypeDef USB_DoPing(USB_OTG_GlobalTypeDef *USBx, uint8_t ch_num); 493 HAL_StatusTypeDef USB_StopHost(USB_OTG_GlobalTypeDef *USBx); 494 HAL_StatusTypeDef USB_ActivateRemoteWakeup(USB_OTG_GlobalTypeDef *USBx); 495 HAL_StatusTypeDef USB_DeActivateRemoteWakeup(USB_OTG_GlobalTypeDef *USBx); 496 #endif /* defined (USB_OTG_FS) || defined (USB_OTG_HS) */ 497 498 /** 499 * @} 500 */ 501 502 /** 503 * @} 504 */ 505 506 /** 507 * @} 508 */ 509 510 /** 511 * @} 512 */ 513 #endif /* defined (USB_OTG_FS) || defined (USB_OTG_HS) */ 514 515 #ifdef __cplusplus 516 } 517 #endif 518 519 520 #endif /* STM32F4xx_LL_USB_H */ 521 522 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ 523