diff options
Diffstat (limited to 'ports/stm32/usbd_conf.c')
| -rw-r--r-- | ports/stm32/usbd_conf.c | 689 |
1 files changed, 689 insertions, 0 deletions
diff --git a/ports/stm32/usbd_conf.c b/ports/stm32/usbd_conf.c new file mode 100644 index 000000000..d39144851 --- /dev/null +++ b/ports/stm32/usbd_conf.c @@ -0,0 +1,689 @@ +/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ */
+
+/**
+ ******************************************************************************
+ * @file USB_Device/CDC_Standalone/Src/usbd_conf.c
+ * @author MCD Application Team
+ * @version V1.0.1
+ * @date 26-February-2014
+ * @brief This file implements the USB Device library callbacks and MSP
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_core.h"
+#include "py/obj.h"
+#include "irq.h"
+#include "usb.h"
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+#ifdef USE_USB_FS
+PCD_HandleTypeDef pcd_fs_handle;
+#endif
+#ifdef USE_USB_HS
+PCD_HandleTypeDef pcd_hs_handle;
+#endif
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/*******************************************************************************
+ PCD BSP Routines
+*******************************************************************************/
+/**
+ * @brief Initializes the PCD MSP.
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+void HAL_PCD_MspInit(PCD_HandleTypeDef *hpcd)
+{
+ GPIO_InitTypeDef GPIO_InitStruct;
+
+ if(hpcd->Instance == USB_OTG_FS)
+ {
+ /* Configure USB FS GPIOs */
+ __GPIOA_CLK_ENABLE();
+
+ GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12);
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+ /* Configure VBUS Pin */
+#if defined(MICROPY_HW_USB_VBUS_DETECT_PIN)
+ // USB VBUS detect pin is always A9
+ GPIO_InitStruct.Pin = GPIO_PIN_9;
+ GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+#endif
+
+#if defined(MICROPY_HW_USB_OTG_ID_PIN)
+ // USB ID pin is always A10
+ GPIO_InitStruct.Pin = GPIO_PIN_10;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
+ GPIO_InitStruct.Pull = GPIO_PULLUP;
+ GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+#endif
+
+ /* Enable USB FS Clocks */
+ __USB_OTG_FS_CLK_ENABLE();
+
+#if defined (MCU_SERIES_L4)
+ /* Enable VDDUSB */
+ if(__HAL_RCC_PWR_IS_CLK_DISABLED())
+ {
+ __HAL_RCC_PWR_CLK_ENABLE();
+ HAL_PWREx_EnableVddUSB();
+ __HAL_RCC_PWR_CLK_DISABLE();
+ }
+ else
+ {
+ HAL_PWREx_EnableVddUSB();
+ }
+#endif
+
+ /* Set USBFS Interrupt priority */
+ HAL_NVIC_SetPriority(OTG_FS_IRQn, IRQ_PRI_OTG_FS, IRQ_SUBPRI_OTG_FS);
+
+ /* Enable USBFS Interrupt */
+ HAL_NVIC_EnableIRQ(OTG_FS_IRQn);
+ }
+#if defined(USE_USB_HS)
+ else if(hpcd->Instance == USB_OTG_HS)
+ {
+#if defined(USE_USB_HS_IN_FS)
+
+ /* Configure USB FS GPIOs */
+ __GPIOB_CLK_ENABLE();
+
+ /* Configure DM DP Pins */
+ GPIO_InitStruct.Pin = (GPIO_PIN_14 | GPIO_PIN_15);
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF12_OTG_HS_FS;
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
+#if defined(MICROPY_HW_USB_VBUS_DETECT_PIN)
+ /* Configure VBUS Pin */
+ GPIO_InitStruct.Pin = GPIO_PIN_13;
+ GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF12_OTG_HS_FS;
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+#endif
+
+#if defined(MICROPY_HW_USB_OTG_ID_PIN)
+ /* Configure ID pin */
+ GPIO_InitStruct.Pin = GPIO_PIN_12;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
+ GPIO_InitStruct.Pull = GPIO_PULLUP;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF12_OTG_HS_FS;
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+#endif
+ /*
+ * Enable calling WFI and correct
+ * function of the embedded USB_FS_IN_HS phy
+ */
+ __OTGHSULPI_CLK_SLEEP_DISABLE();
+ __OTGHS_CLK_SLEEP_ENABLE();
+ /* Enable USB HS Clocks */
+ __USB_OTG_HS_CLK_ENABLE();
+
+#else // !USE_USB_HS_IN_FS
+
+ /* Configure USB HS GPIOs */
+ __GPIOA_CLK_ENABLE();
+ __GPIOB_CLK_ENABLE();
+ __GPIOC_CLK_ENABLE();
+ __GPIOH_CLK_ENABLE();
+ __GPIOI_CLK_ENABLE();
+
+ /* CLK */
+ GPIO_InitStruct.Pin = GPIO_PIN_5;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+ /* D0 */
+ GPIO_InitStruct.Pin = GPIO_PIN_3;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+ /* D1 D2 D3 D4 D5 D6 D7 */
+ GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_5 |\
+ GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
+ /* STP */
+ GPIO_InitStruct.Pin = GPIO_PIN_0;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
+ HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
+
+ /* NXT */
+ GPIO_InitStruct.Pin = GPIO_PIN_4;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
+ HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
+
+ /* DIR */
+ GPIO_InitStruct.Pin = GPIO_PIN_11;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
+ HAL_GPIO_Init(GPIOI, &GPIO_InitStruct);
+
+ /* Enable USB HS Clocks */
+ __USB_OTG_HS_CLK_ENABLE();
+ __USB_OTG_HS_ULPI_CLK_ENABLE();
+#endif // !USE_USB_HS_IN_FS
+
+ /* Set USBHS Interrupt to the lowest priority */
+ HAL_NVIC_SetPriority(OTG_HS_IRQn, IRQ_PRI_OTG_HS, IRQ_SUBPRI_OTG_HS);
+
+ /* Enable USBHS Interrupt */
+ HAL_NVIC_EnableIRQ(OTG_HS_IRQn);
+ }
+#endif // USE_USB_HS
+}
+/**
+ * @brief DeInitializes the PCD MSP.
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+void HAL_PCD_MspDeInit(PCD_HandleTypeDef *hpcd)
+{
+ if(hpcd->Instance == USB_OTG_FS)
+ {
+ /* Disable USB FS Clocks */
+ __USB_OTG_FS_CLK_DISABLE();
+ __SYSCFG_CLK_DISABLE();
+ }
+ #if defined(USE_USB_HS)
+ else if(hpcd->Instance == USB_OTG_HS)
+ {
+ /* Disable USB FS Clocks */
+ __USB_OTG_HS_CLK_DISABLE();
+ __SYSCFG_CLK_DISABLE();
+ }
+ #endif
+}
+
+/*******************************************************************************
+ LL Driver Callbacks (PCD -> USB Device Library)
+*******************************************************************************/
+
+
+/**
+ * @brief Setup stage callback.
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd)
+{
+ USBD_LL_SetupStage(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(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(hpcd->pData, epnum, hpcd->IN_ep[epnum].xfer_buff);
+}
+
+/**
+ * @brief SOF callback.
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+/*
+This is now handled by the USB CDC interface.
+void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd)
+{
+ USBD_LL_SOF(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)
+ {
+#if defined(PCD_SPEED_HIGH)
+ case PCD_SPEED_HIGH:
+ speed = USBD_SPEED_HIGH;
+ break;
+#endif
+
+ case PCD_SPEED_FULL:
+ speed = USBD_SPEED_FULL;
+ break;
+
+ default:
+ speed = USBD_SPEED_FULL;
+ break;
+ }
+ USBD_LL_SetSpeed(hpcd->pData, speed);
+
+ /* Reset Device */
+ USBD_LL_Reset(hpcd->pData);
+}
+
+/**
+ * @brief Suspend callback.
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd)
+{
+ USBD_LL_Suspend(hpcd->pData);
+}
+
+/**
+ * @brief Resume callback.
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)
+{
+ USBD_LL_Resume(hpcd->pData);
+}
+
+/**
+ * @brief ISOC Out Incomplete callback.
+ * @param hpcd: PCD handle
+ * @param epnum: Endpoint Number
+ * @retval None
+ */
+void HAL_PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
+{
+ USBD_LL_IsoOUTIncomplete(hpcd->pData, epnum);
+}
+
+/**
+ * @brief ISOC In Incomplete callback.
+ * @param hpcd: PCD handle
+ * @param epnum: Endpoint Number
+ * @retval None
+ */
+void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
+{
+ USBD_LL_IsoINIncomplete(hpcd->pData, epnum);
+}
+
+/**
+ * @brief Connect callback.
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd)
+{
+ USBD_LL_DevConnected(hpcd->pData);
+}
+
+/**
+ * @brief Disconnect callback.
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
+{
+ USBD_LL_DevDisconnected(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)
+{
+#if defined(USE_USB_FS)
+if (pdev->id == USB_PHY_FS_ID)
+{
+ /*Set LL Driver parameters */
+ pcd_fs_handle.Instance = USB_OTG_FS;
+ pcd_fs_handle.Init.dev_endpoints = 4;
+ pcd_fs_handle.Init.use_dedicated_ep1 = 0;
+ pcd_fs_handle.Init.ep0_mps = 0x40;
+ pcd_fs_handle.Init.dma_enable = 0;
+ pcd_fs_handle.Init.low_power_enable = 0;
+ pcd_fs_handle.Init.phy_itface = PCD_PHY_EMBEDDED;
+ pcd_fs_handle.Init.Sof_enable = 1;
+ pcd_fs_handle.Init.speed = PCD_SPEED_FULL;
+#if defined(MCU_SERIES_L4)
+ pcd_fs_handle.Init.lpm_enable = DISABLE;
+ pcd_fs_handle.Init.battery_charging_enable = DISABLE;
+#endif
+#if !defined(MICROPY_HW_USB_VBUS_DETECT_PIN)
+ pcd_fs_handle.Init.vbus_sensing_enable = 0; // No VBUS Sensing on USB0
+#else
+ pcd_fs_handle.Init.vbus_sensing_enable = 1;
+#endif
+ /* Link The driver to the stack */
+ pcd_fs_handle.pData = pdev;
+ pdev->pData = &pcd_fs_handle;
+ /*Initialize LL Driver */
+ HAL_PCD_Init(&pcd_fs_handle);
+
+ HAL_PCD_SetRxFiFo(&pcd_fs_handle, 0x80);
+ HAL_PCD_SetTxFiFo(&pcd_fs_handle, 0, 0x20);
+ HAL_PCD_SetTxFiFo(&pcd_fs_handle, 1, 0x40);
+ HAL_PCD_SetTxFiFo(&pcd_fs_handle, 2, 0x20);
+ HAL_PCD_SetTxFiFo(&pcd_fs_handle, 3, 0x40);
+}
+#endif
+#if defined(USE_USB_HS)
+if (pdev->id == USB_PHY_HS_ID)
+{
+#if defined(USE_USB_HS_IN_FS)
+ /*Set LL Driver parameters */
+ pcd_hs_handle.Instance = USB_OTG_HS;
+ pcd_hs_handle.Init.dev_endpoints = 4;
+ pcd_hs_handle.Init.use_dedicated_ep1 = 0;
+ pcd_hs_handle.Init.ep0_mps = 0x40;
+ pcd_hs_handle.Init.dma_enable = 0;
+ pcd_hs_handle.Init.low_power_enable = 0;
+ pcd_hs_handle.Init.phy_itface = PCD_PHY_EMBEDDED;
+ pcd_hs_handle.Init.Sof_enable = 1;
+ pcd_hs_handle.Init.speed = PCD_SPEED_HIGH_IN_FULL;
+#if !defined(MICROPY_HW_USB_VBUS_DETECT_PIN)
+ pcd_hs_handle.Init.vbus_sensing_enable = 0; // No VBUS Sensing on USB0
+#else
+ pcd_hs_handle.Init.vbus_sensing_enable = 1;
+#endif
+ /* Link The driver to the stack */
+ pcd_hs_handle.pData = pdev;
+ pdev->pData = &pcd_hs_handle;
+ /*Initialize LL Driver */
+ HAL_PCD_Init(&pcd_hs_handle);
+
+ HAL_PCD_SetRxFiFo(&pcd_hs_handle, 0x80);
+ HAL_PCD_SetTxFiFo(&pcd_hs_handle, 0, 0x20);
+ HAL_PCD_SetTxFiFo(&pcd_hs_handle, 1, 0x40);
+ HAL_PCD_SetTxFiFo(&pcd_hs_handle, 2, 0x20);
+ HAL_PCD_SetTxFiFo(&pcd_hs_handle, 3, 0x40);
+#else // !defined(USE_USB_HS_IN_FS)
+ /*Set LL Driver parameters */
+ pcd_hs_handle.Instance = USB_OTG_HS;
+ pcd_hs_handle.Init.dev_endpoints = 6;
+ pcd_hs_handle.Init.use_dedicated_ep1 = 0;
+ pcd_hs_handle.Init.ep0_mps = 0x40;
+
+ /* Be aware that enabling USB-DMA mode will result in data being sent only by
+ multiple of 4 packet sizes. This is due to the fact that USB-DMA does
+ not allow sending data from non word-aligned addresses.
+ For this specific application, it is advised to not enable this option
+ unless required. */
+ pcd_hs_handle.Init.dma_enable = 0;
+
+ pcd_hs_handle.Init.low_power_enable = 0;
+ pcd_hs_handle.Init.phy_itface = PCD_PHY_ULPI;
+ pcd_hs_handle.Init.Sof_enable = 1;
+ pcd_hs_handle.Init.speed = PCD_SPEED_HIGH;
+ pcd_hs_handle.Init.vbus_sensing_enable = 1;
+ /* Link The driver to the stack */
+ pcd_hs_handle.pData = pdev;
+ pdev->pData = &pcd_hs_handle;
+ /*Initialize LL Driver */
+ HAL_PCD_Init(&pcd_hs_handle);
+
+ HAL_PCD_SetRxFiFo(&pcd_hs_handle, 0x200);
+ HAL_PCD_SetTxFiFo(&pcd_hs_handle, 0, 0x80);
+ HAL_PCD_SetTxFiFo(&pcd_hs_handle, 1, 0x174);
+
+#endif // !USE_USB_HS_IN_FS
+}
+#endif // USE_USB_HS
+ 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_PCD_DeInit(pdev->pData);
+ return USBD_OK;
+}
+
+/**
+ * @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_PCD_Start(pdev->pData);
+ return USBD_OK;
+}
+
+/**
+ * @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_PCD_Stop(pdev->pData);
+ return USBD_OK;
+}
+
+/**
+ * @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_PCD_EP_Open(pdev->pData, ep_addr, ep_mps, ep_type);
+ return USBD_OK;
+}
+
+/**
+ * @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_PCD_EP_Close(pdev->pData, ep_addr);
+ return USBD_OK;
+}
+
+/**
+ * @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_PCD_EP_Flush(pdev->pData, ep_addr);
+ return USBD_OK;
+}
+
+/**
+ * @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_PCD_EP_SetStall(pdev->pData, ep_addr);
+ return USBD_OK;
+}
+
+/**
+ * @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_PCD_EP_ClrStall(pdev->pData, ep_addr);
+ return USBD_OK;
+}
+
+/**
+ * @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 = 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 an USB address to the device
+ * @param pdev: Device handle
+ * @param dev_addr: USB address
+ * @retval USBD Status
+ */
+USBD_StatusTypeDef USBD_LL_SetUSBAddress(USBD_HandleTypeDef *pdev, uint8_t dev_addr)
+{
+ HAL_PCD_SetAddress(pdev->pData, dev_addr);
+ return USBD_OK;
+}
+
+/**
+ * @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_PCD_EP_Transmit(pdev->pData, ep_addr, pbuf, size);
+ return USBD_OK;
+}
+
+/**
+ * @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_PCD_EP_Receive(pdev->pData, ep_addr, pbuf, size);
+ return USBD_OK;
+}
+
+/**
+ * @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(pdev->pData, ep_addr);
+}
+
+/**
+ * @brief Delay routine for the USB Device Library
+ * @param Delay: Delay in ms
+ * @retval None
+ */
+void USBD_LL_Delay(uint32_t Delay)
+{
+ HAL_Delay(Delay);
+}
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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