summaryrefslogtreecommitdiff
path: root/fw/hid-dials/Src/usbd_conf.c
diff options
context:
space:
mode:
Diffstat (limited to 'fw/hid-dials/Src/usbd_conf.c')
-rw-r--r--fw/hid-dials/Src/usbd_conf.c775
1 files changed, 775 insertions, 0 deletions
diff --git a/fw/hid-dials/Src/usbd_conf.c b/fw/hid-dials/Src/usbd_conf.c
new file mode 100644
index 0000000..cb09894
--- /dev/null
+++ b/fw/hid-dials/Src/usbd_conf.c
@@ -0,0 +1,775 @@
+/**
+ ******************************************************************************
+ * @file : usbd_conf.c
+ * @version : v2.0_Cube
+ * @brief : This file implements the board support package for the USB device library
+ ******************************************************************************
+ * This notice applies to any and all portions of this file
+ * that are not between comment pairs USER CODE BEGIN and
+ * USER CODE END. Other portions of this file, whether
+ * inserted by the user or by software development tools
+ * are owned by their respective copyright owners.
+ *
+ * Copyright (c) 2018 STMicroelectronics International N.V.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted, provided that the following conditions are met:
+ *
+ * 1. Redistribution of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of other
+ * contributors to this software may be used to endorse or promote products
+ * derived from this software without specific written permission.
+ * 4. This software, including modifications and/or derivative works of this
+ * software, must execute solely and exclusively on microcontroller or
+ * microprocessor devices manufactured by or for STMicroelectronics.
+ * 5. Redistribution and use of this software other than as permitted under
+ * this license is void and will automatically terminate your rights under
+ * this license.
+ *
+ * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+ * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
+ * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+#include "stm32f0xx_hal.h"
+#include "usbd_def.h"
+#include "usbd_core.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+
+/* USER CODE BEGIN PV */
+/* Private variables ---------------------------------------------------------*/
+
+/* USER CODE END PV */
+
+PCD_HandleTypeDef hpcd_USB_FS;
+//void _Error_Handler(char * file, int line);
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+/* USER CODE BEGIN PFP */
+/* Private function prototypes -----------------------------------------------*/
+
+/* USER CODE END PFP */
+
+/* Private functions ---------------------------------------------------------*/
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
+void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state);
+//extern void SystemClock_Config(void);
+
+/*******************************************************************************
+ LL Driver Callbacks (PCD -> USB Device Library)
+*******************************************************************************/
+/* MSP Init */
+
+void HAL_PCD_MspInit(PCD_HandleTypeDef* pcdHandle)
+{
+ if(pcdHandle->Instance==USB)
+ {
+ /* USER CODE BEGIN USB_MspInit 0 */
+
+ /* USER CODE END USB_MspInit 0 */
+ /* Peripheral clock enable */
+ __HAL_RCC_USB_CLK_ENABLE();
+
+ /* Peripheral interrupt init */
+ HAL_NVIC_SetPriority(USB_IRQn, 1, 0);
+ HAL_NVIC_EnableIRQ(USB_IRQn);
+ /* USER CODE BEGIN USB_MspInit 1 */
+
+ /* USER CODE END USB_MspInit 1 */
+ }
+}
+
+void HAL_PCD_MspDeInit(PCD_HandleTypeDef* pcdHandle)
+{
+ if(pcdHandle->Instance==USB)
+ {
+ /* USER CODE BEGIN USB_MspDeInit 0 */
+
+ /* USER CODE END USB_MspDeInit 0 */
+ /* Peripheral clock disable */
+ __HAL_RCC_USB_CLK_DISABLE();
+
+ /* Peripheral interrupt Deinit*/
+ HAL_NVIC_DisableIRQ(USB_IRQn);
+
+ /* USER CODE BEGIN USB_MspDeInit 1 */
+
+ /* USER CODE END USB_MspDeInit 1 */
+ }
+}
+
+/**
+ * @brief Setup stage callback
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd)
+{
+ USBD_LL_SetupStage((USBD_HandleTypeDef*)hpcd->pData, (uint8_t *)hpcd->Setup);
+}
+
+/**
+ * @brief Data Out stage callback.
+ * @param hpcd: PCD handle
+ * @param epnum: Endpoint number
+ * @retval None
+ */
+void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
+{
+ USBD_LL_DataOutStage((USBD_HandleTypeDef*)hpcd->pData, epnum, hpcd->OUT_ep[epnum].xfer_buff);
+}
+
+/**
+ * @brief Data In stage callback.
+ * @param hpcd: PCD handle
+ * @param epnum: Endpoint number
+ * @retval None
+ */
+void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
+{
+ USBD_LL_DataInStage((USBD_HandleTypeDef*)hpcd->pData, epnum, hpcd->IN_ep[epnum].xfer_buff);
+}
+
+/**
+ * @brief SOF callback.
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd)
+{
+ USBD_LL_SOF((USBD_HandleTypeDef*)hpcd->pData);
+}
+
+/**
+ * @brief Reset callback.
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd)
+{
+ USBD_SpeedTypeDef speed = USBD_SPEED_FULL;
+
+ /* Set USB current speed. */
+ switch (hpcd->Init.speed)
+ {
+ case PCD_SPEED_FULL:
+ speed = USBD_SPEED_FULL;
+ break;
+
+ default:
+ speed = USBD_SPEED_FULL;
+ break;
+ }
+ USBD_LL_SetSpeed((USBD_HandleTypeDef*)hpcd->pData, speed);
+
+ /* Reset Device. */
+ USBD_LL_Reset((USBD_HandleTypeDef*)hpcd->pData);
+}
+
+/**
+ * @brief Suspend callback.
+ * When Low power mode is enabled the debug cannot be used (IAR, Keil doesn't support it)
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd)
+{
+ /* Inform USB library that core enters in suspend Mode. */
+ USBD_LL_Suspend((USBD_HandleTypeDef*)hpcd->pData);
+ /* Enter in STOP mode. */
+ /* USER CODE BEGIN 2 */
+ if (hpcd->Init.low_power_enable)
+ {
+ /* Set SLEEPDEEP bit and SleepOnExit of Cortex System Control Register. */
+ SCB->SCR |= (uint32_t)((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
+ }
+ /* USER CODE END 2 */
+}
+
+/**
+ * @brief Resume callback.
+ * When Low power mode is enabled the debug cannot be used (IAR, Keil doesn't support it)
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)
+{
+ /* USER CODE BEGIN 3 */
+
+ /* USER CODE END 3 */
+ USBD_LL_Resume((USBD_HandleTypeDef*)hpcd->pData);
+}
+
+/**
+ * @brief ISOOUTIncomplete callback.
+ * @param hpcd: PCD handle
+ * @param epnum: Endpoint number
+ * @retval None
+ */
+void HAL_PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
+{
+ USBD_LL_IsoOUTIncomplete((USBD_HandleTypeDef*)hpcd->pData, epnum);
+}
+
+/**
+ * @brief ISOINIncomplete callback.
+ * @param hpcd: PCD handle
+ * @param epnum: Endpoint number
+ * @retval None
+ */
+void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
+{
+ USBD_LL_IsoINIncomplete((USBD_HandleTypeDef*)hpcd->pData, epnum);
+}
+
+/**
+ * @brief Connect callback.
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd)
+{
+ USBD_LL_DevConnected((USBD_HandleTypeDef*)hpcd->pData);
+}
+
+/**
+ * @brief Disconnect callback.
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
+{
+ USBD_LL_DevDisconnected((USBD_HandleTypeDef*)hpcd->pData);
+}
+
+/*******************************************************************************
+ LL Driver Interface (USB Device Library --> PCD)
+*******************************************************************************/
+
+/**
+ * @brief Initializes the low level portion of the device driver.
+ * @param pdev: Device handle
+ * @retval USBD status
+ */
+USBD_StatusTypeDef USBD_LL_Init(USBD_HandleTypeDef *pdev)
+{
+ /* Init USB Ip. */
+ /* Link the driver to the stack. */
+ hpcd_USB_FS.pData = pdev;
+ pdev->pData = &hpcd_USB_FS;
+
+ hpcd_USB_FS.Instance = USB;
+ hpcd_USB_FS.Init.dev_endpoints = 8;
+ hpcd_USB_FS.Init.speed = PCD_SPEED_FULL;
+ hpcd_USB_FS.Init.ep0_mps = DEP0CTL_MPS_64;
+ hpcd_USB_FS.Init.phy_itface = PCD_PHY_EMBEDDED;
+ hpcd_USB_FS.Init.low_power_enable = DISABLE;
+ hpcd_USB_FS.Init.lpm_enable = DISABLE;
+ hpcd_USB_FS.Init.battery_charging_enable = DISABLE;
+ if (HAL_PCD_Init(&hpcd_USB_FS) != HAL_OK)
+ {
+ //_Error_Handler(__FILE__, __LINE__);
+ }
+
+ HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , 0x00 , PCD_SNG_BUF, 0x18);
+ HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , 0x80 , PCD_SNG_BUF, 0x58);
+ HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , 0x81 , PCD_SNG_BUF, 0xC0);
+ HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , 0x01 , PCD_SNG_BUF, 0x110);
+ HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , 0x82 , PCD_SNG_BUF, 0x100);
+ return USBD_OK;
+}
+
+/**
+ * @brief De-Initializes the low level portion of the device driver.
+ * @param pdev: Device handle
+ * @retval USBD status
+ */
+USBD_StatusTypeDef USBD_LL_DeInit(USBD_HandleTypeDef *pdev)
+{
+ HAL_StatusTypeDef hal_status = HAL_OK;
+ USBD_StatusTypeDef usb_status = USBD_OK;
+
+ hal_status = HAL_PCD_DeInit(pdev->pData);
+
+ switch (hal_status) {
+ case HAL_OK :
+ usb_status = USBD_OK;
+ break;
+ case HAL_ERROR :
+ usb_status = USBD_FAIL;
+ break;
+ case HAL_BUSY :
+ usb_status = USBD_BUSY;
+ break;
+ case HAL_TIMEOUT :
+ usb_status = USBD_FAIL;
+ break;
+ default :
+ usb_status = USBD_FAIL;
+ break;
+ }
+ return usb_status;
+}
+
+/**
+ * @brief Starts the low level portion of the device driver.
+ * @param pdev: Device handle
+ * @retval USBD status
+ */
+USBD_StatusTypeDef USBD_LL_Start(USBD_HandleTypeDef *pdev)
+{
+ HAL_StatusTypeDef hal_status = HAL_OK;
+ USBD_StatusTypeDef usb_status = USBD_OK;
+
+ hal_status = HAL_PCD_Start(pdev->pData);
+
+ switch (hal_status) {
+ case HAL_OK :
+ usb_status = USBD_OK;
+ break;
+ case HAL_ERROR :
+ usb_status = USBD_FAIL;
+ break;
+ case HAL_BUSY :
+ usb_status = USBD_BUSY;
+ break;
+ case HAL_TIMEOUT :
+ usb_status = USBD_FAIL;
+ break;
+ default :
+ usb_status = USBD_FAIL;
+ break;
+ }
+ return usb_status;
+}
+
+/**
+ * @brief Stops the low level portion of the device driver.
+ * @param pdev: Device handle
+ * @retval USBD status
+ */
+USBD_StatusTypeDef USBD_LL_Stop(USBD_HandleTypeDef *pdev)
+{
+ HAL_StatusTypeDef hal_status = HAL_OK;
+ USBD_StatusTypeDef usb_status = USBD_OK;
+
+ hal_status = HAL_PCD_Stop(pdev->pData);
+
+ switch (hal_status) {
+ case HAL_OK :
+ usb_status = USBD_OK;
+ break;
+ case HAL_ERROR :
+ usb_status = USBD_FAIL;
+ break;
+ case HAL_BUSY :
+ usb_status = USBD_BUSY;
+ break;
+ case HAL_TIMEOUT :
+ usb_status = USBD_FAIL;
+ break;
+ default :
+ usb_status = USBD_FAIL;
+ break;
+ }
+ return usb_status;
+}
+
+/**
+ * @brief Opens an endpoint of the low level driver.
+ * @param pdev: Device handle
+ * @param ep_addr: Endpoint number
+ * @param ep_type: Endpoint type
+ * @param ep_mps: Endpoint max packet size
+ * @retval USBD status
+ */
+USBD_StatusTypeDef USBD_LL_OpenEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr, uint8_t ep_type, uint16_t ep_mps)
+{
+ HAL_StatusTypeDef hal_status = HAL_OK;
+ USBD_StatusTypeDef usb_status = USBD_OK;
+
+ hal_status = HAL_PCD_EP_Open(pdev->pData, ep_addr, ep_mps, ep_type);
+
+ switch (hal_status) {
+ case HAL_OK :
+ usb_status = USBD_OK;
+ break;
+ case HAL_ERROR :
+ usb_status = USBD_FAIL;
+ break;
+ case HAL_BUSY :
+ usb_status = USBD_BUSY;
+ break;
+ case HAL_TIMEOUT :
+ usb_status = USBD_FAIL;
+ break;
+ default :
+ usb_status = USBD_FAIL;
+ break;
+ }
+ return usb_status;
+}
+
+/**
+ * @brief Closes an endpoint of the low level driver.
+ * @param pdev: Device handle
+ * @param ep_addr: Endpoint number
+ * @retval USBD status
+ */
+USBD_StatusTypeDef USBD_LL_CloseEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
+{
+ HAL_StatusTypeDef hal_status = HAL_OK;
+ USBD_StatusTypeDef usb_status = USBD_OK;
+
+ hal_status = HAL_PCD_EP_Close(pdev->pData, ep_addr);
+
+ switch (hal_status) {
+ case HAL_OK :
+ usb_status = USBD_OK;
+ break;
+ case HAL_ERROR :
+ usb_status = USBD_FAIL;
+ break;
+ case HAL_BUSY :
+ usb_status = USBD_BUSY;
+ break;
+ case HAL_TIMEOUT :
+ usb_status = USBD_FAIL;
+ break;
+ default :
+ usb_status = USBD_FAIL;
+ break;
+ }
+ return usb_status;
+}
+
+/**
+ * @brief Flushes an endpoint of the Low Level Driver.
+ * @param pdev: Device handle
+ * @param ep_addr: Endpoint number
+ * @retval USBD status
+ */
+USBD_StatusTypeDef USBD_LL_FlushEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
+{
+ HAL_StatusTypeDef hal_status = HAL_OK;
+ USBD_StatusTypeDef usb_status = USBD_OK;
+
+ hal_status = HAL_PCD_EP_Flush(pdev->pData, ep_addr);
+
+ switch (hal_status) {
+ case HAL_OK :
+ usb_status = USBD_OK;
+ break;
+ case HAL_ERROR :
+ usb_status = USBD_FAIL;
+ break;
+ case HAL_BUSY :
+ usb_status = USBD_BUSY;
+ break;
+ case HAL_TIMEOUT :
+ usb_status = USBD_FAIL;
+ break;
+ default :
+ usb_status = USBD_FAIL;
+ break;
+ }
+ return usb_status;
+}
+
+/**
+ * @brief Sets a Stall condition on an endpoint of the Low Level Driver.
+ * @param pdev: Device handle
+ * @param ep_addr: Endpoint number
+ * @retval USBD status
+ */
+USBD_StatusTypeDef USBD_LL_StallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
+{
+ HAL_StatusTypeDef hal_status = HAL_OK;
+ USBD_StatusTypeDef usb_status = USBD_OK;
+
+ hal_status = HAL_PCD_EP_SetStall(pdev->pData, ep_addr);
+
+ switch (hal_status) {
+ case HAL_OK :
+ usb_status = USBD_OK;
+ break;
+ case HAL_ERROR :
+ usb_status = USBD_FAIL;
+ break;
+ case HAL_BUSY :
+ usb_status = USBD_BUSY;
+ break;
+ case HAL_TIMEOUT :
+ usb_status = USBD_FAIL;
+ break;
+ default :
+ usb_status = USBD_FAIL;
+ break;
+ }
+ return usb_status;
+}
+
+/**
+ * @brief Clears a Stall condition on an endpoint of the Low Level Driver.
+ * @param pdev: Device handle
+ * @param ep_addr: Endpoint number
+ * @retval USBD status
+ */
+USBD_StatusTypeDef USBD_LL_ClearStallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
+{
+ HAL_StatusTypeDef hal_status = HAL_OK;
+ USBD_StatusTypeDef usb_status = USBD_OK;
+
+ hal_status = HAL_PCD_EP_ClrStall(pdev->pData, ep_addr);
+
+ switch (hal_status) {
+ case HAL_OK :
+ usb_status = USBD_OK;
+ break;
+ case HAL_ERROR :
+ usb_status = USBD_FAIL;
+ break;
+ case HAL_BUSY :
+ usb_status = USBD_BUSY;
+ break;
+ case HAL_TIMEOUT :
+ usb_status = USBD_FAIL;
+ break;
+ default :
+ usb_status = USBD_FAIL;
+ break;
+ }
+ return usb_status;
+}
+
+/**
+ * @brief Returns Stall condition.
+ * @param pdev: Device handle
+ * @param ep_addr: Endpoint number
+ * @retval Stall (1: Yes, 0: No)
+ */
+uint8_t USBD_LL_IsStallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
+{
+ PCD_HandleTypeDef *hpcd = (PCD_HandleTypeDef*) pdev->pData;
+
+ if((ep_addr & 0x80) == 0x80)
+ {
+ return hpcd->IN_ep[ep_addr & 0x7F].is_stall;
+ }
+ else
+ {
+ return hpcd->OUT_ep[ep_addr & 0x7F].is_stall;
+ }
+}
+
+/**
+ * @brief Assigns a USB address to the device.
+ * @param pdev: Device handle
+ * @param dev_addr: Device address
+ * @retval USBD status
+ */
+USBD_StatusTypeDef USBD_LL_SetUSBAddress(USBD_HandleTypeDef *pdev, uint8_t dev_addr)
+{
+ HAL_StatusTypeDef hal_status = HAL_OK;
+ USBD_StatusTypeDef usb_status = USBD_OK;
+
+ hal_status = HAL_PCD_SetAddress(pdev->pData, dev_addr);
+
+ switch (hal_status) {
+ case HAL_OK :
+ usb_status = USBD_OK;
+ break;
+ case HAL_ERROR :
+ usb_status = USBD_FAIL;
+ break;
+ case HAL_BUSY :
+ usb_status = USBD_BUSY;
+ break;
+ case HAL_TIMEOUT :
+ usb_status = USBD_FAIL;
+ break;
+ default :
+ usb_status = USBD_FAIL;
+ break;
+ }
+ return usb_status;
+}
+
+/**
+ * @brief Transmits data over an endpoint.
+ * @param pdev: Device handle
+ * @param ep_addr: Endpoint number
+ * @param pbuf: Pointer to data to be sent
+ * @param size: Data size
+ * @retval USBD status
+ */
+USBD_StatusTypeDef USBD_LL_Transmit(USBD_HandleTypeDef *pdev, uint8_t ep_addr, uint8_t *pbuf, uint16_t size)
+{
+ HAL_StatusTypeDef hal_status = HAL_OK;
+ USBD_StatusTypeDef usb_status = USBD_OK;
+
+ hal_status = HAL_PCD_EP_Transmit(pdev->pData, ep_addr, pbuf, size);
+
+ switch (hal_status) {
+ case HAL_OK :
+ usb_status = USBD_OK;
+ break;
+ case HAL_ERROR :
+ usb_status = USBD_FAIL;
+ break;
+ case HAL_BUSY :
+ usb_status = USBD_BUSY;
+ break;
+ case HAL_TIMEOUT :
+ usb_status = USBD_FAIL;
+ break;
+ default :
+ usb_status = USBD_FAIL;
+ break;
+ }
+ return usb_status;
+}
+
+/**
+ * @brief Prepares an endpoint for reception.
+ * @param pdev: Device handle
+ * @param ep_addr: Endpoint number
+ * @param pbuf: Pointer to data to be received
+ * @param size: Data size
+ * @retval USBD status
+ */
+USBD_StatusTypeDef USBD_LL_PrepareReceive(USBD_HandleTypeDef *pdev, uint8_t ep_addr, uint8_t *pbuf, uint16_t size)
+{
+ HAL_StatusTypeDef hal_status = HAL_OK;
+ USBD_StatusTypeDef usb_status = USBD_OK;
+
+ hal_status = HAL_PCD_EP_Receive(pdev->pData, ep_addr, pbuf, size);
+
+ switch (hal_status) {
+ case HAL_OK :
+ usb_status = USBD_OK;
+ break;
+ case HAL_ERROR :
+ usb_status = USBD_FAIL;
+ break;
+ case HAL_BUSY :
+ usb_status = USBD_BUSY;
+ break;
+ case HAL_TIMEOUT :
+ usb_status = USBD_FAIL;
+ break;
+ default :
+ usb_status = USBD_FAIL;
+ break;
+ }
+ return usb_status;
+}
+
+/**
+ * @brief Returns the last transfered packet size.
+ * @param pdev: Device handle
+ * @param ep_addr: Endpoint number
+ * @retval Recived Data Size
+ */
+uint32_t USBD_LL_GetRxDataSize(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
+{
+ return HAL_PCD_EP_GetRxCount((PCD_HandleTypeDef*) pdev->pData, ep_addr);
+}
+
+/**
+ * @brief Delays routine for the USB device library.
+ * @param Delay: Delay in ms
+ * @retval None
+ */
+void USBD_LL_Delay(uint32_t Delay)
+{
+ HAL_Delay(Delay);
+}
+
+/**
+ * @brief Static single allocation.
+ * @param size: Size of allocated memory
+ * @retval None
+ */
+//void *USBD_static_malloc(uint32_t size)
+//{
+// static uint32_t mem[(sizeof(USBD_CDC_HandleTypeDef)/4)+1];/* On 32-bit boundary */
+// return mem;
+//}
+
+/**
+ * @brief Dummy memory free
+ * @param p: Pointer to allocated memory address
+ * @retval None
+ */
+void USBD_static_free(void *p)
+{
+
+}
+
+/* USER CODE BEGIN 5 */
+/**
+ * @brief Configures system clock after wake-up from USB Resume CallBack:
+ * enable HSI, PLL and select PLL as system clock source.
+ * @retval None
+ */
+//static void SystemClockConfig_Resume(void)
+//{
+// SystemClock_Config();
+//}
+/* USER CODE END 5 */
+
+/**
+ * @brief Software device connection
+ * @param hpcd: PCD handle
+ * @param state: Connection state (0: disconnected / 1: connected)
+ * @retval None
+ */
+void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state)
+{
+ /* USER CODE BEGIN 6 */
+ if (state == 1)
+ {
+ /* Configure Low connection state. */
+
+ }
+ else
+ {
+ /* Configure High connection state */
+
+ }
+ /* USER CODE END 6 */
+}
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/