src/main/vcp_hal/usbd_conf_stm32g4xx.c

   1 /* USER CODE BEGIN Header */
   2 /**
   3 ******************************************************************************
   4   * @file           USB_Device/CDC_Standalone/USB_Device/Target/usbd_conf.c
   5   * @author         MCD Application Team
   6   * @brief          This file implements the board support package for the USB device library
   7   ******************************************************************************
   8   * @attention
   9   *
  10   * <h2><center>&copy; Copyright (c) 2019 STMicroelectronics.
  11   * All rights reserved.</center></h2>
  12   *
  13   * This software component is licensed by ST under Ultimate Liberty license
  14   * SLA0044, the "License"; You may not use this file except in compliance with
  15   * the License. You may obtain a copy of the License at:
  16   *                             www.st.com/SLA0044
  17   *
  18   ******************************************************************************
  19   */
  20 /* USER CODE END Header */
  21
  22 /* Includes ------------------------------------------------------------------*/
  23 #include "stm32g4xx.h"
  24 #include "stm32g4xx_hal.h"
  25 #include "usbd_def.h"
  26 #include "usbd_core.h"
  27
  28 #include "usbd_cdc.h"
  29
  30 /* USER CODE BEGIN Includes */
  31
  32 #include "platform.h"
  33
  34 /* USER CODE END Includes */
  35
  36 /* Private typedef -----------------------------------------------------------*/
  37 /* Private define ------------------------------------------------------------*/
  38 /* Private macro -------------------------------------------------------------*/
  39
  40 /* Private variables ---------------------------------------------------------*/
  41 /* USER CODE BEGIN PV */
  42 /* Private variables ---------------------------------------------------------*/
  43
  44 /* USER CODE END PV */
  45
  46 PCD_HandleTypeDef hpcd_USB_FS;
  47 void Error_Handler(void);
  48
  49 /* USER CODE BEGIN 0 */
  50
  51 /* USER CODE END 0 */
  52
  53 /* Exported function prototypes ----------------------------------------------*/
  54
  55 /* USER CODE BEGIN PFP */
  56 /* Private function prototypes -----------------------------------------------*/
  57
  58 /* USER CODE END PFP */
  59
  60 /* Private functions ---------------------------------------------------------*/
  61 static USBD_StatusTypeDef USBD_Get_USB_Status(HAL_StatusTypeDef hal_status);
  62 /* USER CODE BEGIN 1 */
  63 static void SystemClockConfig_Resume(void);
  64 extern void USBD_Clock_Config(void);
  65 /* USER CODE END 1 */
  66 extern void SystemClock_Config(void);
  67
  68 void USB_LP_IRQHandler(void)
  69 {
  70   HAL_PCD_IRQHandler(&hpcd_USB_FS);
  71 }
  72
  73 /*******************************************************************************
  74                        LL Driver Callbacks (PCD -> USB Device Library)
  75 *******************************************************************************/
  76 /* MSP Init */
  77
  78 #if (USE_HAL_PCD_REGISTER_CALLBACK == 1U)
  79 static void HAL_PCD_MspInit(PCD_HandleTypeDef* pcdHandle)
  80 #else
  81 void HAL_PCD_MspInit(PCD_HandleTypeDef* pcdHandle)
  82 #endif /* USE_HAL_PCD_REGISTER_CALLBACK */
  83 {
  84   GPIO_InitTypeDef GPIO_InitStruct = {0};
  85   if(pcdHandle->Instance==USB)
  86   {
  87   /* USER CODE BEGIN USB_MspInit 0 */
  88
  89   /* USER CODE END USB_MspInit 0 */
  90
  91     __HAL_RCC_GPIOA_CLK_ENABLE();
  92     /**USB GPIO Configuration
  93     PA11     ------> USB_DM
  94     PA12     ------> USB_DP
  95     */
  96     GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_12;
  97     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  98     GPIO_InitStruct.Pull = GPIO_NOPULL;
  99     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
 100     HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
 101
 102     /* Peripheral clock enable */
 103     __HAL_RCC_USB_CLK_ENABLE();
 104
 105     /* Peripheral interrupt init */
 106     HAL_NVIC_SetPriority(USB_LP_IRQn, 6, 0);
 107     HAL_NVIC_EnableIRQ(USB_LP_IRQn);
 108   /* USER CODE BEGIN USB_MspInit 1 */
 109
 110   /* USER CODE END USB_MspInit 1 */
 111   }
 112 }
 113
 114 #if (USE_HAL_PCD_REGISTER_CALLBACK == 1U)
 115 static void HAL_PCD_MspDeInit(PCD_HandleTypeDef* pcdHandle)
 116 #else
 117 void HAL_PCD_MspDeInit(PCD_HandleTypeDef* pcdHandle)
 118 #endif /* USE_HAL_PCD_REGISTER_CALLBACK */
 119 {
 120   if(pcdHandle->Instance==USB)
 121   {
 122   /* USER CODE BEGIN USB_MspDeInit 0 */
 123
 124   /* USER CODE END USB_MspDeInit 0 */
 125     /* Peripheral clock disable */
 126     __HAL_RCC_USB_CLK_DISABLE();
 127
 128     /**USB GPIO Configuration
 129     PA11     ------> USB_DM
 130     PA12     ------> USB_DP
 131     */
 132     HAL_GPIO_DeInit(GPIOA, GPIO_PIN_11|GPIO_PIN_12);
 133
 134     /* Peripheral interrupt Deinit*/
 135     HAL_NVIC_DisableIRQ(USB_LP_IRQn);
 136
 137   /* USER CODE BEGIN USB_MspDeInit 1 */
 138     __HAL_RCC_GPIOA_CLK_DISABLE();
 139   /* USER CODE END USB_MspDeInit 1 */
 140   }
 141 }
 142
 143 /**
 144   * @brief  Setup stage callback
 145   * @param  hpcd: PCD handle
 146   * @retval None
 147   */
 148 #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
 149 static void PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd)
 150 #else
 151 void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd)
 152 #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
 153 {
 154   /* USER CODE BEGIN HAL_PCD_SetupStageCallback_PreTreatment */
 155
 156   /* USER CODE END  HAL_PCD_SetupStageCallback_PreTreatment */
 157   USBD_LL_SetupStage((USBD_HandleTypeDef*)hpcd->pData, (uint8_t *)hpcd->Setup);
 158   /* USER CODE BEGIN HAL_PCD_SetupStageCallback_PostTreatment */
 159
 160   /* USER CODE END  HAL_PCD_SetupStageCallback_PostTreatment */
 161 }
 162
 163 /**
 164   * @brief  Data Out stage callback.
 165   * @param  hpcd: PCD handle
 166   * @param  epnum: Endpoint number
 167   * @retval None
 168   */
 169 #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
 170 static void PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
 171 #else
 172 void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
 173 #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
 174 {
 175   /* USER CODE BEGIN HAL_PCD_DataOutStageCallback_PreTreatment */
 176
 177   /* USER CODE END HAL_PCD_DataOutStageCallback_PreTreatment */
 178   USBD_LL_DataOutStage((USBD_HandleTypeDef*)hpcd->pData, epnum, hpcd->OUT_ep[epnum].xfer_buff);
 179   /* USER CODE BEGIN HAL_PCD_DataOutStageCallback_PostTreatment */
 180
 181   /* USER CODE END HAL_PCD_DataOutStageCallback_PostTreatment */
 182 }
 183
 184 /**
 185   * @brief  Data In stage callback.
 186   * @param  hpcd: PCD handle
 187   * @param  epnum: Endpoint number
 188   * @retval None
 189   */
 190 #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
 191 static void PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
 192 #else
 193 void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
 194 #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
 195 {
 196   /* USER CODE BEGIN HAL_PCD_DataInStageCallback_PreTreatment */
 197
 198   /* USER CODE END HAL_PCD_DataInStageCallback_PreTreatment */
 199   USBD_LL_DataInStage((USBD_HandleTypeDef*)hpcd->pData, epnum, hpcd->IN_ep[epnum].xfer_buff);
 200   /* USER CODE BEGIN HAL_PCD_DataInStageCallback_PostTreatment  */
 201
 202   /* USER CODE END HAL_PCD_DataInStageCallback_PostTreatment */
 203 }
 204
 205 /**
 206   * @brief  SOF callback.
 207   * @param  hpcd: PCD handle
 208   * @retval None
 209   */
 210 #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
 211 static void PCD_SOFCallback(PCD_HandleTypeDef *hpcd)
 212 #else
 213 void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd)
 214 #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
 215 {
 216   /* USER CODE BEGIN HAL_PCD_SOFCallback_PreTreatment */
 217
 218   /* USER CODE END HAL_PCD_SOFCallback_PreTreatment */
 219   USBD_LL_SOF((USBD_HandleTypeDef*)hpcd->pData);
 220   /* USER CODE BEGIN HAL_PCD_SOFCallback_PostTreatment */
 221
 222   /* USER CODE END HAL_PCD_SOFCallback_PostTreatment */
 223 }
 224
 225 /**
 226   * @brief  Reset callback.
 227   * @param  hpcd: PCD handle
 228   * @retval None
 229   */
 230 #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
 231 static void PCD_ResetCallback(PCD_HandleTypeDef *hpcd)
 232 #else
 233 void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd)
 234 #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
 235 {
 236   /* USER CODE BEGIN HAL_PCD_ResetCallback_PreTreatment */
 237
 238   /* USER CODE END HAL_PCD_ResetCallback_PreTreatment */
 239   USBD_SpeedTypeDef speed = USBD_SPEED_FULL;
 240
 241   if ( hpcd->Init.speed != PCD_SPEED_FULL)
 242   {
 243     Error_Handler();
 244   }
 245     /* Set Speed. */
 246   USBD_LL_SetSpeed((USBD_HandleTypeDef*)hpcd->pData, speed);
 247
 248   /* Reset Device. */
 249   USBD_LL_Reset((USBD_HandleTypeDef*)hpcd->pData);
 250   /* USER CODE BEGIN HAL_PCD_ResetCallback_PostTreatment */
 251
 252   /* USER CODE END HAL_PCD_ResetCallback_PostTreatment */
 253 }
 254
 255 /**
 256   * @brief  Suspend callback.
 257   * When Low power mode is enabled the debug cannot be used (IAR, Keil doesn't support it)
 258   * @param  hpcd: PCD handle
 259   * @retval None
 260   */
 261 #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
 262 static void PCD_SuspendCallback(PCD_HandleTypeDef *hpcd)
 263 #else
 264 void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd)
 265 #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
 266 {
 267   /* USER CODE BEGIN HAL_PCD_SuspendCallback_PreTreatment */
 268
 269   /* USER CODE END HAL_PCD_SuspendCallback_PreTreatment */
 270   /* Inform USB library that core enters in suspend Mode. */
 271   USBD_LL_Suspend((USBD_HandleTypeDef*)hpcd->pData);
 272   /* Enter in STOP mode. */
 273   /* USER CODE BEGIN 2 */
 274   if (hpcd->Init.low_power_enable)
 275   {
 276     /* Set SLEEPDEEP bit and SleepOnExit of Cortex System Control Register. */
 277     SCB->SCR |= (uint32_t)((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
 278   }
 279   /* USER CODE END 2 */
 280   /* USER CODE BEGIN HAL_PCD_SuspendCallback_PostTreatment */
 281
 282   /* USER CODE END HAL_PCD_SuspendCallback_PostTreatment */
 283 }
 284
 285 /**
 286   * @brief  Resume callback.
 287   * When Low power mode is enabled the debug cannot be used (IAR, Keil doesn't support it)
 288   * @param  hpcd: PCD handle
 289   * @retval None
 290   */
 291 #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
 292 static void PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)
 293 #else
 294 void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)
 295 #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
 296 {
 297   /* USER CODE BEGIN HAL_PCD_ResumeCallback_PreTreatment */
 298
 299   /* USER CODE END HAL_PCD_ResumeCallback_PreTreatment */
 300
 301   /* USER CODE BEGIN 3 */
 302   if (hpcd->Init.low_power_enable)
 303   {
 304     /* Reset SLEEPDEEP bit of Cortex System Control Register. */
 305     SCB->SCR &= (uint32_t)~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
 306     SystemClockConfig_Resume();
 307   }
 308   /* USER CODE END 3 */
 309
 310   USBD_LL_Resume((USBD_HandleTypeDef*)hpcd->pData);
 311   /* USER CODE BEGIN HAL_PCD_ResumeCallback_PostTreatment */
 312
 313   /* USER CODE END HAL_PCD_ResumeCallback_PostTreatment */
 314 }
 315
 316 /**
 317   * @brief  ISOOUTIncomplete callback.
 318   * @param  hpcd: PCD handle
 319   * @param  epnum: Endpoint number
 320   * @retval None
 321   */
 322 #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
 323 static void PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
 324 #else
 325 void HAL_PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
 326 #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
 327 {
 328   /* USER CODE BEGIN HAL_PCD_ISOOUTIncompleteCallback_PreTreatment */
 329
 330   /* USER CODE END HAL_PCD_ISOOUTIncompleteCallback_PreTreatment */
 331   USBD_LL_IsoOUTIncomplete((USBD_HandleTypeDef*)hpcd->pData, epnum);
 332   /* USER CODE BEGIN HAL_PCD_ISOOUTIncompleteCallback_PostTreatment */
 333
 334   /* USER CODE END HAL_PCD_ISOOUTIncompleteCallback_PostTreatment */
 335 }
 336
 337 /**
 338   * @brief  ISOINIncomplete callback.
 339   * @param  hpcd: PCD handle
 340   * @param  epnum: Endpoint number
 341   * @retval None
 342   */
 343 #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
 344 static void PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
 345 #else
 346 void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
 347 #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
 348 {
 349   /* USER CODE BEGIN HAL_PCD_ISOINIncompleteCallback_PreTreatment */
 350
 351   /* USER CODE END HAL_PCD_ISOINIncompleteCallback_PreTreatment */
 352   USBD_LL_IsoINIncomplete((USBD_HandleTypeDef*)hpcd->pData, epnum);
 353   /* USER CODE BEGIN HAL_PCD_ISOINIncompleteCallback_PostTreatment */
 354
 355   /* USER CODE END HAL_PCD_ISOINIncompleteCallback_PostTreatment */
 356 }
 357
 358 /**
 359   * @brief  Connect callback.
 360   * @param  hpcd: PCD handle
 361   * @retval None
 362   */
 363 #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
 364 static void PCD_ConnectCallback(PCD_HandleTypeDef *hpcd)
 365 #else
 366 void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd)
 367 #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
 368 {
 369   /* USER CODE BEGIN HAL_PCD_ConnectCallback_PreTreatment */
 370
 371   /* USER CODE END HAL_PCD_ConnectCallback_PreTreatment */
 372   USBD_LL_DevConnected((USBD_HandleTypeDef*)hpcd->pData);
 373   /* USER CODE BEGIN HAL_PCD_ConnectCallback_PostTreatment */
 374
 375   /* USER CODE END HAL_PCD_ConnectCallback_PostTreatment */
 376 }
 377
 378 /**
 379   * @brief  Disconnect callback.
 380   * @param  hpcd: PCD handle
 381   * @retval None
 382   */
 383 #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
 384 static void PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
 385 #else
 386 void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
 387 #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
 388 {
 389   /* USER CODE BEGIN HAL_PCD_DisconnectCallback_PreTreatment */
 390
 391   /* USER CODE END HAL_PCD_DisconnectCallback_PreTreatment */
 392   USBD_LL_DevDisconnected((USBD_HandleTypeDef*)hpcd->pData);
 393   /* USER CODE BEGIN HAL_PCD_DisconnectCallback_PostTreatment */
 394
 395   /* USER CODE END HAL_PCD_DisconnectCallback_PostTreatment */
 396 }
 397
 398   /* USER CODE BEGIN LowLevelInterface */
 399
 400   /* USER CODE END LowLevelInterface */
 401
 402 /*******************************************************************************
 403                        LL Driver Interface (USB Device Library --> PCD)
 404 *******************************************************************************/
 405
 406 /**
 407   * @brief  Initializes the low level portion of the device driver.
 408   * @param  pdev: Device handle
 409   * @retval USBD status
 410   */
 411 USBD_StatusTypeDef USBD_LL_Init(USBD_HandleTypeDef *pdev)
 412 {
 413   /* Init USB Ip. */
 414   hpcd_USB_FS.pData = pdev;
 415   /* Link the driver to the stack. */
 416   pdev->pData = &hpcd_USB_FS;
 417
 418   hpcd_USB_FS.Instance = USB;
 419   hpcd_USB_FS.Init.dev_endpoints = 8;
 420   hpcd_USB_FS.Init.speed = PCD_SPEED_FULL;
 421   hpcd_USB_FS.Init.phy_itface = PCD_PHY_EMBEDDED;
 422   hpcd_USB_FS.Init.Sof_enable = DISABLE;
 423   hpcd_USB_FS.Init.low_power_enable = DISABLE;
 424   hpcd_USB_FS.Init.lpm_enable = DISABLE;
 425   hpcd_USB_FS.Init.battery_charging_enable = DISABLE;
 426
 427   #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
 428   /* register Msp Callbacks (before the Init) */
 429   HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_MSPINIT_CB_ID, PCD_MspInit);
 430   HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_MSPDEINIT_CB_ID, PCD_MspDeInit);
 431   #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
 432
 433   if (HAL_PCD_Init(&hpcd_USB_FS) != HAL_OK)
 434   {
 435     Error_Handler( );
 436   }
 437
 438 #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
 439   /* Register USB PCD CallBacks */
 440   HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_SOF_CB_ID, PCD_SOFCallback);
 441   HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_SETUPSTAGE_CB_ID, PCD_SetupStageCallback);
 442   HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_RESET_CB_ID, PCD_ResetCallback);
 443   HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_SUSPEND_CB_ID, PCD_SuspendCallback);
 444   HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_RESUME_CB_ID, PCD_ResumeCallback);
 445   HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_CONNECT_CB_ID, PCD_ConnectCallback);
 446   HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_DISCONNECT_CB_ID, PCD_DisconnectCallback);
 447   /* USER CODE BEGIN RegisterCallBackFirstPart */
 448
 449   /* USER CODE END RegisterCallBackFirstPart */
 450   HAL_PCD_RegisterDataOutStageCallback(&hpcd_USB_FS, PCD_DataOutStageCallback);
 451   HAL_PCD_RegisterDataInStageCallback(&hpcd_USB_FS, PCD_DataInStageCallback);
 452   HAL_PCD_RegisterIsoOutIncpltCallback(&hpcd_USB_FS, PCD_ISOOUTIncompleteCallback);
 453   HAL_PCD_RegisterIsoInIncpltCallback(&hpcd_USB_FS, PCD_ISOINIncompleteCallback);
 454   /* USER CODE BEGIN RegisterCallBackSecondPart */
 455
 456   /* USER CODE END RegisterCallBackSecondPart */
 457 #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
 458   /* USER CODE BEGIN EndPoint_Configuration */
 459   HAL_PCDEx_PMAConfig(&hpcd_USB_FS, 0x00 , PCD_SNG_BUF, 0x14);
 460   HAL_PCDEx_PMAConfig(&hpcd_USB_FS, 0x80 , PCD_SNG_BUF, 0x54);
 461   /* USER CODE END EndPoint_Configuration */
 462   /* USER CODE BEGIN EndPoint_Configuration_CDC */
 463   HAL_PCDEx_PMAConfig(&hpcd_USB_FS, CDC_IN_EP, PCD_SNG_BUF, 0x94);
 464   HAL_PCDEx_PMAConfig(&hpcd_USB_FS, CDC_OUT_EP, PCD_SNG_BUF, 0xD4);
 465   HAL_PCDEx_PMAConfig(&hpcd_USB_FS, CDC_CMD_EP, PCD_SNG_BUF, 0x114);
 466   /* USER CODE END EndPoint_Configuration_CDC */
 467   return USBD_OK;
 468 }
 469
 470 /**
 471   * @brief  De-Initializes the low level portion of the device driver.
 472   * @param  pdev: Device handle
 473   * @retval USBD status
 474   */
 475 USBD_StatusTypeDef USBD_LL_DeInit(USBD_HandleTypeDef *pdev)
 476 {
 477   HAL_StatusTypeDef hal_status = HAL_OK;
 478   USBD_StatusTypeDef usb_status = USBD_OK;
 479
 480   hal_status = HAL_PCD_DeInit(pdev->pData);
 481
 482   usb_status =  USBD_Get_USB_Status(hal_status);
 483
 484   return usb_status;
 485 }
 486
 487 /**
 488   * @brief  Starts the low level portion of the device driver.
 489   * @param  pdev: Device handle
 490   * @retval USBD status
 491   */
 492 USBD_StatusTypeDef USBD_LL_Start(USBD_HandleTypeDef *pdev)
 493 {
 494   HAL_StatusTypeDef hal_status = HAL_OK;
 495   USBD_StatusTypeDef usb_status = USBD_OK;
 496
 497   hal_status = HAL_PCD_Start(pdev->pData);
 498
 499   usb_status =  USBD_Get_USB_Status(hal_status);
 500
 501   return usb_status;
 502 }
 503
 504 /**
 505   * @brief  Stops the low level portion of the device driver.
 506   * @param  pdev: Device handle
 507   * @retval USBD status
 508   */
 509 USBD_StatusTypeDef USBD_LL_Stop(USBD_HandleTypeDef *pdev)
 510 {
 511   HAL_StatusTypeDef hal_status = HAL_OK;
 512   USBD_StatusTypeDef usb_status = USBD_OK;
 513
 514   hal_status = HAL_PCD_Stop(pdev->pData);
 515
 516   usb_status =  USBD_Get_USB_Status(hal_status);
 517
 518   return usb_status;
 519 }
 520
 521 /**
 522   * @brief  Opens an endpoint of the low level driver.
 523   * @param  pdev: Device handle
 524   * @param  ep_addr: Endpoint number
 525   * @param  ep_type: Endpoint type
 526   * @param  ep_mps: Endpoint max packet size
 527   * @retval USBD status
 528   */
 529 USBD_StatusTypeDef USBD_LL_OpenEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr, uint8_t ep_type, uint16_t ep_mps)
 530 {
 531   HAL_StatusTypeDef hal_status = HAL_OK;
 532   USBD_StatusTypeDef usb_status = USBD_OK;
 533
 534   hal_status = HAL_PCD_EP_Open(pdev->pData, ep_addr, ep_mps, ep_type);
 535
 536   usb_status =  USBD_Get_USB_Status(hal_status);
 537
 538   return usb_status;
 539 }
 540
 541 /**
 542   * @brief  Closes an endpoint of the low level driver.
 543   * @param  pdev: Device handle
 544   * @param  ep_addr: Endpoint number
 545   * @retval USBD status
 546   */
 547 USBD_StatusTypeDef USBD_LL_CloseEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
 548 {
 549   HAL_StatusTypeDef hal_status = HAL_OK;
 550   USBD_StatusTypeDef usb_status = USBD_OK;
 551
 552   hal_status = HAL_PCD_EP_Close(pdev->pData, ep_addr);
 553
 554   usb_status =  USBD_Get_USB_Status(hal_status);
 555
 556   return usb_status;
 557 }
 558
 559 /**
 560   * @brief  Flushes an endpoint of the Low Level Driver.
 561   * @param  pdev: Device handle
 562   * @param  ep_addr: Endpoint number
 563   * @retval USBD status
 564   */
 565 USBD_StatusTypeDef USBD_LL_FlushEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
 566 {
 567   HAL_StatusTypeDef hal_status = HAL_OK;
 568   USBD_StatusTypeDef usb_status = USBD_OK;
 569
 570   hal_status = HAL_PCD_EP_Flush(pdev->pData, ep_addr);
 571
 572   usb_status =  USBD_Get_USB_Status(hal_status);
 573
 574   return usb_status;
 575 }
 576
 577 /**
 578   * @brief  Sets a Stall condition on an endpoint of the Low Level Driver.
 579   * @param  pdev: Device handle
 580   * @param  ep_addr: Endpoint number
 581   * @retval USBD status
 582   */
 583 USBD_StatusTypeDef USBD_LL_StallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
 584 {
 585   HAL_StatusTypeDef hal_status = HAL_OK;
 586   USBD_StatusTypeDef usb_status = USBD_OK;
 587
 588   hal_status = HAL_PCD_EP_SetStall(pdev->pData, ep_addr);
 589
 590   usb_status =  USBD_Get_USB_Status(hal_status);
 591
 592   return usb_status;
 593 }
 594
 595 /**
 596   * @brief  Clears a Stall condition on an endpoint of the Low Level Driver.
 597   * @param  pdev: Device handle
 598   * @param  ep_addr: Endpoint number
 599   * @retval USBD status
 600   */
 601 USBD_StatusTypeDef USBD_LL_ClearStallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
 602 {
 603   HAL_StatusTypeDef hal_status = HAL_OK;
 604   USBD_StatusTypeDef usb_status = USBD_OK;
 605
 606   hal_status = HAL_PCD_EP_ClrStall(pdev->pData, ep_addr);
 607
 608   usb_status =  USBD_Get_USB_Status(hal_status);
 609
 610   return usb_status;
 611 }
 612
 613 /**
 614   * @brief  Returns Stall condition.
 615   * @param  pdev: Device handle
 616   * @param  ep_addr: Endpoint number
 617   * @retval Stall (1: Yes, 0: No)
 618   */
 619 uint8_t USBD_LL_IsStallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
 620 {
 621   PCD_HandleTypeDef *hpcd = (PCD_HandleTypeDef*) pdev->pData;
 622
 623   if((ep_addr & 0x80) == 0x80)
 624   {
 625     return hpcd->IN_ep[ep_addr & 0x7F].is_stall;
 626   }
 627   else
 628   {
 629     return hpcd->OUT_ep[ep_addr & 0x7F].is_stall;
 630   }
 631 }
 632
 633 /**
 634   * @brief  Assigns a USB address to the device.
 635   * @param  pdev: Device handle
 636   * @param  dev_addr: Device address
 637   * @retval USBD status
 638   */
 639 USBD_StatusTypeDef USBD_LL_SetUSBAddress(USBD_HandleTypeDef *pdev, uint8_t dev_addr)
 640 {
 641   HAL_StatusTypeDef hal_status = HAL_OK;
 642   USBD_StatusTypeDef usb_status = USBD_OK;
 643
 644   hal_status = HAL_PCD_SetAddress(pdev->pData, dev_addr);
 645
 646   usb_status =  USBD_Get_USB_Status(hal_status);
 647
 648   return usb_status;
 649 }
 650
 651 /**
 652   * @brief  Transmits data over an endpoint.
 653   * @param  pdev: Device handle
 654   * @param  ep_addr: Endpoint number
 655   * @param  pbuf: Pointer to data to be sent
 656   * @param  size: Data size
 657   * @retval USBD status
 658   */
 659 USBD_StatusTypeDef USBD_LL_Transmit(USBD_HandleTypeDef *pdev, uint8_t ep_addr, uint8_t *pbuf, uint16_t size)
 660 {
 661   HAL_StatusTypeDef hal_status = HAL_OK;
 662   USBD_StatusTypeDef usb_status = USBD_OK;
 663
 664   hal_status = HAL_PCD_EP_Transmit(pdev->pData, ep_addr, pbuf, size);
 665
 666   usb_status =  USBD_Get_USB_Status(hal_status);
 667
 668   return usb_status;
 669 }
 670
 671 /**
 672   * @brief  Prepares an endpoint for reception.
 673   * @param  pdev: Device handle
 674   * @param  ep_addr: Endpoint number
 675   * @param  pbuf: Pointer to data to be received
 676   * @param  size: Data size
 677   * @retval USBD status
 678   */
 679 USBD_StatusTypeDef USBD_LL_PrepareReceive(USBD_HandleTypeDef *pdev, uint8_t ep_addr, uint8_t *pbuf, uint16_t size)
 680 {
 681   HAL_StatusTypeDef hal_status = HAL_OK;
 682   USBD_StatusTypeDef usb_status = USBD_OK;
 683
 684   hal_status = HAL_PCD_EP_Receive(pdev->pData, ep_addr, pbuf, size);
 685
 686   usb_status =  USBD_Get_USB_Status(hal_status);
 687
 688   return usb_status;
 689 }
 690
 691 /**
 692   * @brief  Returns the last transfered packet size.
 693   * @param  pdev: Device handle
 694   * @param  ep_addr: Endpoint number
 695   * @retval Recived Data Size
 696   */
 697 uint32_t USBD_LL_GetRxDataSize(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
 698 {
 699   return HAL_PCD_EP_GetRxCount((PCD_HandleTypeDef*) pdev->pData, ep_addr);
 700 }
 701
 702 /**
 703   * @brief  Delays routine for the USB Device Library.
 704   * @param  Delay: Delay in ms
 705   * @retval None
 706   */
 707 void USBD_LL_Delay(uint32_t Delay)
 708 {
 709   HAL_Delay(Delay);
 710 }
 711
 712 /**
 713   * @brief  Static single allocation.
 714   * @param  size: Size of allocated memory
 715   * @retval None
 716   */
 717 void *USBD_static_malloc(uint32_t size)
 718 {
 719   UNUSED(size);
 720
 721   static uint32_t mem[(sizeof(USBD_CDC_HandleTypeDef)/4)+1];/* On 32-bit boundary */
 722   return mem;
 723 }
 724
 725 /**
 726   * @brief  Dummy memory free
 727   * @param  p: Pointer to allocated  memory address
 728   * @retval None
 729   */
 730 void USBD_static_free(void *p)
 731 {
 732   UNUSED(p);
 733 }
 734
 735 /* USER CODE BEGIN 5 */
 736 /**
 737   * @brief  Configures system clock after wake-up from USB resume callBack:
 738   *         enable HSI, PLL and select PLL as system clock source.
 739   * @retval None
 740   */
 741 void SystemClockConfig_Resume(void)
 742 {
 743 #if 0
 744   // We don't need this as we don't sleep
 745   // XXX Entire sleep & wakeup support may be removed?
 746   SystemClock_Config();
 747   USBD_Clock_Config();
 748 #endif
 749 }
 750 /* USER CODE END 5 */
 751
 752 /**
 753   * @brief  Retuns the USB status depending on the HAL status:
 754   * @param  hal_status: HAL status
 755   * @retval USB status
 756   */
 757 USBD_StatusTypeDef USBD_Get_USB_Status(HAL_StatusTypeDef hal_status)
 758 {
 759   USBD_StatusTypeDef usb_status = USBD_OK;
 760
 761   switch (hal_status)
 762   {
 763     case HAL_OK :
 764       usb_status = USBD_OK;
 765     break;
 766     case HAL_ERROR :
 767       usb_status = USBD_FAIL;
 768     break;
 769     case HAL_BUSY :
 770       usb_status = USBD_BUSY;
 771     break;
 772     case HAL_TIMEOUT :
 773       usb_status = USBD_FAIL;
 774     break;
 775     default :
 776       usb_status = USBD_FAIL;
 777     break;
 778   }
 779   return usb_status;
 780 }
 781 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/