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Diff: targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_pcd.c
- Revision:
- 144:ef7eb2e8f9f7
- Parent:
- 113:b3775bf36a83
--- a/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_pcd.c Tue Aug 02 14:07:36 2016 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_pcd.c Fri Sep 02 15:07:44 2016 +0100
@@ -1,1379 +1,1379 @@
-/**
- ******************************************************************************
- * @file stm32l0xx_hal_pcd.c
- * @author MCD Application Team
- * @version V1.5.0
- * @date 8-January-2016
- * @brief PCD HAL module driver.
- * This file provides firmware functions to manage the following
- * functionalities of the USB Peripheral Controller:
- * + Initialization and de-initialization functions
- * + IO operation functions
- * + Peripheral Control functions
- * + Peripheral State functions
- *
- @verbatim
- ==============================================================================
- ##### How to use this driver #####
- ==============================================================================
- [..]
- The PCD HAL driver can be used as follows:
-
- (#) Declare a PCD_HandleTypeDef handle structure, for example:
- PCD_HandleTypeDef hpcd;
-
- (#) Fill parameters of Init structure in HCD handle
-
- (#) Call HAL_PCD_Init() API to initialize the HCD peripheral (Core, Device core, ...)
-
- (#) Initialize the PCD low level resources through the HAL_PCD_MspInit() API:
- (##) Enable the PCD/USB Low Level interface clock using
- (+++) __HAL_RCC_USB_CLK_ENABLE();
-
- (##) Initialize the related GPIO clocks
- (##) Configure PCD pin-out
- (##) Configure PCD NVIC interrupt
-
- (#)Associate the Upper USB device stack to the HAL PCD Driver:
- (##) hpcd.pData = pdev;
-
- (#)Enable HCD transmission and reception:
- (##) HAL_PCD_Start();
-
- @endverbatim
- ******************************************************************************
- * @attention
- *
- * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- * 1. Redistributions 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 its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 "stm32l0xx_hal.h"
-
-#if !defined(STM32L011xx) && !defined(STM32L021xx) && !defined (STM32L031xx) && !defined (STM32L041xx) && !defined (STM32L051xx) && !defined (STM32L061xx) && !defined (STM32L071xx) && !defined (STM32L081xx)
-#ifdef HAL_PCD_MODULE_ENABLED
-/** @addtogroup STM32L0xx_HAL_Driver
- * @{
- */
-
-/** @addtogroup PCD
- * @brief PCD HAL module driver
- * @{
- */
-
-/** @addtogroup PCD_Private
- * @{
- */
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-#define BTABLE_ADDRESS (0x000)
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Private function prototypes -----------------------------------------------*/
-static HAL_StatusTypeDef PCD_EP_ISR_Handler(PCD_HandleTypeDef *hpcd);
-void PCD_WritePMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes);
-void PCD_ReadPMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes);
-
-/**
- * @}
- */
-/* Private functions ---------------------------------------------------------*/
-
-
-/** @addtogroup PCD_Exported_Functions
- * @{
- */
-
-/** @addtogroup PCD_Exported_Functions_Group1
- * @brief Initialization and Configuration functions
- *
-@verbatim
- ===============================================================================
- ##### Initialization and de-initialization functions #####
- ===============================================================================
- [..] This section provides functions allowing to:
-
-@endverbatim
- * @{
- */
-
-/**
- * @brief Initializes the PCD according to the specified
- * parameters in the PCD_InitTypeDef and create the associated handle.
- * @param hpcd: PCD handle
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_PCD_Init(PCD_HandleTypeDef *hpcd)
-{
- uint32_t i = 0;
-
- uint32_t wInterrupt_Mask = 0;
-
- /* Check the PCD handle allocation */
- if(hpcd == NULL)
- {
- return HAL_ERROR;
- }
-
- /* Check the parameters */
- assert_param(IS_PCD_ALL_INSTANCE(hpcd->Instance));
-
- if(hpcd->State == HAL_PCD_STATE_RESET)
- {
- /* Allocate lock resource and initialize it */
- hpcd->Lock = HAL_UNLOCKED;
-
- /* Init the low level hardware : GPIO, CLOCK, NVIC... */
- HAL_PCD_MspInit(hpcd);
- }
-
- hpcd->State = HAL_PCD_STATE_BUSY;
-
- /* Init endpoints structures */
- for (i = 0; i < hpcd->Init.dev_endpoints ; i++)
- {
- /* Init ep structure */
- hpcd->IN_ep[i].is_in = 1;
- hpcd->IN_ep[i].num = i;
- /* Control until ep is actvated */
- hpcd->IN_ep[i].type = PCD_EP_TYPE_CTRL;
- hpcd->IN_ep[i].maxpacket = 0;
- hpcd->IN_ep[i].xfer_buff = 0;
- hpcd->IN_ep[i].xfer_len = 0;
- }
-
- for (i = 0; i < hpcd->Init.dev_endpoints ; i++)
- {
- hpcd->OUT_ep[i].is_in = 0;
- hpcd->OUT_ep[i].num = i;
- /* Control until ep is activated */
- hpcd->OUT_ep[i].type = PCD_EP_TYPE_CTRL;
- hpcd->OUT_ep[i].maxpacket = 0;
- hpcd->OUT_ep[i].xfer_buff = 0;
- hpcd->OUT_ep[i].xfer_len = 0;
- }
-
- /* Init Device */
- /*CNTR_FRES = 1*/
- hpcd->Instance->CNTR = USB_CNTR_FRES;
-
- /*CNTR_FRES = 0*/
- hpcd->Instance->CNTR = 0;
-
- /*Clear pending interrupts*/
- hpcd->Instance->ISTR = 0;
-
- /*Set Btable Adress*/
- hpcd->Instance->BTABLE = BTABLE_ADDRESS;
-
- /*set wInterrupt_Mask global variable*/
- wInterrupt_Mask = USB_CNTR_CTRM | USB_CNTR_WKUPM | USB_CNTR_SUSPM | USB_CNTR_ERRM \
- | USB_CNTR_ESOFM | USB_CNTR_RESETM;
-
- /*Set interrupt mask*/
- hpcd->Instance->CNTR = wInterrupt_Mask;
-
- hpcd->USB_Address = 0;
- hpcd->State= HAL_PCD_STATE_READY;
-
- return HAL_OK;
-}
-
-/**
- * @brief DeInitializes the PCD peripheral
- * @param hpcd: PCD handle
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_PCD_DeInit(PCD_HandleTypeDef *hpcd)
-{
- /* Check the PCD handle allocation */
- if(hpcd == NULL)
- {
- return HAL_ERROR;
- }
-
- hpcd->State = HAL_PCD_STATE_BUSY;
-
- /* Stop Device */
- HAL_PCD_Stop(hpcd);
-
- /* DeInit the low level hardware */
- HAL_PCD_MspDeInit(hpcd);
-
- hpcd->State = HAL_PCD_STATE_RESET;
-
- return HAL_OK;
-}
-
-/**
- * @brief Initializes the PCD MSP.
- * @param hpcd: PCD handle
- * @retval None
- */
-__weak void HAL_PCD_MspInit(PCD_HandleTypeDef *hpcd)
-{
- /* Prevent unused argument(s) compilation warning */
- UNUSED(hpcd);
-
- /* NOTE : This function Should not be modified, when the callback is needed,
- the HAL_PCD_MspInit could be implemented in the user file
- */
-}
-
-/**
- * @brief DeInitializes PCD MSP.
- * @param hpcd: PCD handle
- * @retval None
- */
-__weak void HAL_PCD_MspDeInit(PCD_HandleTypeDef *hpcd)
-{
- /* Prevent unused argument(s) compilation warning */
- UNUSED(hpcd);
-
- /* NOTE : This function Should not be modified, when the callback is needed,
- the HAL_PCD_MspDeInit could be implemented in the user file
- */
-}
-
-/**
- * @}
- */
-
-/** @addtogroup PCD_Exported_Functions_Group2
- * @brief Data transfers functions
- *
-@verbatim
- ===============================================================================
- ##### IO operation functions #####
- ===============================================================================
- [..]
- This subsection provides a set of functions allowing to manage the PCD data
- transfers.
-
-@endverbatim
- * @{
- */
-
-/**
- * @brief Start The USB OTG Device.
- * @param hpcd: PCD handle
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_PCD_Start(PCD_HandleTypeDef *hpcd)
-{
- /* Enabling DP Pull-Down bit to Connect internal pull-up on USB DP line */
- hpcd->Instance->BCDR |= USB_BCDR_DPPU;
-
- return HAL_OK;
-}
-
-/**
- * @brief Stop The USB OTG Device.
- * @param hpcd: PCD handle
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_PCD_Stop(PCD_HandleTypeDef *hpcd)
-{
- __HAL_LOCK(hpcd);
-
- /* disable all interrupts and force USB reset */
- hpcd->Instance->CNTR = USB_CNTR_FRES;
-
- /* clear interrupt status register */
- hpcd->Instance->ISTR = 0;
-
- /* switch-off device */
- hpcd->Instance->CNTR = (USB_CNTR_FRES | USB_CNTR_PDWN);
-
- __HAL_UNLOCK(hpcd);
- return HAL_OK;
-}
-
-/**
- * @brief This function handles PCD interrupt request.
- * @param hpcd: PCD handle
- * @retval HAL status
- */
-void HAL_PCD_IRQHandler(PCD_HandleTypeDef *hpcd)
-{
- uint32_t wInterrupt_Mask = 0;
-
- if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_CTR))
- {
- /* servicing of the endpoint correct transfer interrupt */
- /* clear of the CTR flag into the sub */
- PCD_EP_ISR_Handler(hpcd);
- }
-
- if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_RESET))
- {
- __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_RESET);
- HAL_PCD_ResetCallback(hpcd);
- HAL_PCD_SetAddress(hpcd, 0);
- }
-
- if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_PMAOVR))
- {
- __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_PMAOVR);
- }
-
- if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_ERR))
- {
- __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_ERR);
- }
-
- if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_WKUP))
- {
-
- hpcd->Instance->CNTR &= (uint16_t) ~(USB_CNTR_LPMODE);
-
- /*set wInterrupt_Mask global variable*/
- wInterrupt_Mask = USB_CNTR_CTRM | USB_CNTR_WKUPM | USB_CNTR_SUSPM | USB_CNTR_ERRM \
- | USB_CNTR_ESOFM | USB_CNTR_RESETM;
-
- /*Set interrupt mask*/
- hpcd->Instance->CNTR = wInterrupt_Mask;
-
- HAL_PCD_ResumeCallback(hpcd);
-
- __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_WKUP);
- }
-
- if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_SUSP))
- {
- /* clear of the ISTR bit must be done after setting of CNTR_FSUSP */
- __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_SUSP);
-
- /* Force low-power mode in the macrocell */
- hpcd->Instance->CNTR |= USB_CNTR_FSUSP;
- hpcd->Instance->CNTR |= USB_CNTR_LPMODE;
-
- if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_WKUP) == 0)
- {
- HAL_PCD_SuspendCallback(hpcd);
- }
- }
-
- if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_SOF))
- {
- __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_SOF);
- HAL_PCD_SOFCallback(hpcd);
- }
-
- if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_ESOF))
- {
- /* clear ESOF flag in ISTR */
- __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_ESOF);
- }
-}
-
-/**
- * @brief Data out stage callbacks
- * @param hpcd: PCD handle
- * @param epnum: endpoint number
- * @retval None
- */
- __weak void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
-{
- /* Prevent unused argument(s) compilation warning */
- UNUSED(hpcd);
- UNUSED(epnum);
-
- /* NOTE : This function Should not be modified, when the callback is needed,
- the HAL_PCD_DataOutStageCallback could be implemented in the user file
- */
-}
-
-/**
- * @brief Data IN stage callbacks
- * @param hpcd: PCD handle
- * @param epnum: endpoint number
- * @retval None
- */
- __weak void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
-{
- /* Prevent unused argument(s) compilation warning */
- UNUSED(hpcd);
- UNUSED(epnum);
-
- /* NOTE : This function Should not be modified, when the callback is needed,
- the HAL_PCD_DataOutStageCallback could be implemented in the user file
- */
-}
-/**
- * @brief Setup stage callback
- * @param hpcd: PCD handle
- * @retval None
- */
- __weak void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd)
-{
- /* Prevent unused argument(s) compilation warning */
- UNUSED(hpcd);
- /* NOTE : This function Should not be modified, when the callback is needed,
- the HAL_PCD_DataOutStageCallback could be implemented in the user file
- */
-}
-
-/**
- * @brief USB Start Of Frame callbacks
- * @param hpcd: PCD handle
- * @retval None
- */
- __weak void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd)
-{
- /* Prevent unused argument(s) compilation warning */
- UNUSED(hpcd);
-
- /* NOTE : This function Should not be modified, when the callback is needed,
- the HAL_PCD_DataOutStageCallback could be implemented in the user file
- */
-}
-
-/**
- * @brief USB Reset callbacks
- * @param hpcd: PCD handle
- * @retval None
- */
- __weak void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd)
-{
- /* Prevent unused argument(s) compilation warning */
- UNUSED(hpcd);
-
- /* NOTE : This function Should not be modified, when the callback is needed,
- the HAL_PCD_DataOutStageCallback could be implemented in the user file
- */
-}
-
-
-/**
- * @brief Suspend event callbacks
- * @param hpcd: PCD handle
- * @retval None
- */
- __weak void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd)
-{
- /* Prevent unused argument(s) compilation warning */
- UNUSED(hpcd);
-
- /* NOTE : This function Should not be modified, when the callback is needed,
- the HAL_PCD_DataOutStageCallback could be implemented in the user file
- */
-}
-
-/**
- * @brief Resume event callbacks
- * @param hpcd: PCD handle
- * @retval None
- */
- __weak void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)
-{
- /* Prevent unused argument(s) compilation warning */
- UNUSED(hpcd);
-
- /* NOTE : This function Should not be modified, when the callback is needed,
- the HAL_PCD_DataOutStageCallback could be implemented in the user file
- */
-}
-
-/**
- * @brief Incomplete ISO OUT callbacks
- * @param hpcd: PCD handle
- * @param epnum: endpoint number
- * @retval None
- */
- __weak void HAL_PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
-{
- /* Prevent unused argument(s) compilation warning */
- UNUSED(hpcd);
- UNUSED(epnum);
-
- /* NOTE : This function Should not be modified, when the callback is needed,
- the HAL_PCD_DataOutStageCallback could be implemented in the user file
- */
-}
-
-/**
- * @brief Incomplete ISO IN callbacks
- * @param hpcd: PCD handle
- * @param epnum: endpoint number
- * @retval None
- */
- __weak void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
-{
- /* Prevent unused argument(s) compilation warning */
- UNUSED(hpcd);
- UNUSED(epnum);
-
- /* NOTE : This function Should not be modified, when the callback is needed,
- the HAL_PCD_DataOutStageCallback could be implemented in the user file
- */
-}
-
-/**
- * @brief Connection event callbacks
- * @param hpcd: PCD handle
- * @retval None
- */
- __weak void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd)
-{
- /* Prevent unused argument(s) compilation warning */
- UNUSED(hpcd);
-
- /* NOTE : This function Should not be modified, when the callback is needed,
- the HAL_PCD_DataOutStageCallback could be implemented in the user file
- */
-}
-
-/**
- * @brief Disconnection event callbacks
- * @param hpcd: PCD handle
- * @retval None
- */
- __weak void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
-{
- /* Prevent unused argument(s) compilation warning */
- UNUSED(hpcd);
-
- /* NOTE : This function Should not be modified, when the callback is needed,
- the HAL_PCD_DataOutStageCallback could be implemented in the user file
- */
-}
-
-/**
- * @}
- */
-
-
-/** @addtogroup PCD_Exported_Functions_Group3
- * @brief management functions
- *
-@verbatim
- ===============================================================================
- ##### Peripheral Control functions #####
- ===============================================================================
- [..]
- This subsection provides a set of functions allowing to control the PCD data
- transfers.
-
-@endverbatim
- * @{
- */
-
-/**
- * @brief Connect the USB device
- * @param hpcd: PCD handle
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_PCD_DevConnect(PCD_HandleTypeDef *hpcd)
-{
- __HAL_LOCK(hpcd);
-
- /* Enabling DP Pull-Down bit to Connect internal pull-up on USB DP line */
- hpcd->Instance->BCDR |= USB_BCDR_DPPU;
-
- __HAL_UNLOCK(hpcd);
- return HAL_OK;
-}
-
-/**
- * @brief Disconnect the USB device
- * @param hpcd: PCD handle
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_PCD_DevDisconnect(PCD_HandleTypeDef *hpcd)
-{
- __HAL_LOCK(hpcd);
-
- /* Disable DP Pull-Down bit*/
- hpcd->Instance->BCDR &= ((uint16_t) ~(USB_BCDR_DPPU));
-
- __HAL_UNLOCK(hpcd);
- return HAL_OK;
-}
-
-/**
- * @brief Set the USB Device address
- * @param hpcd: PCD handle
- * @param address: new device address
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_PCD_SetAddress(PCD_HandleTypeDef *hpcd, uint8_t address)
-{
- __HAL_LOCK(hpcd);
-
- if(address == 0)
- {
- /* set device address and enable function */
- hpcd->Instance->DADDR = USB_DADDR_EF;
- }
- else /* USB Address will be applied later */
- {
- hpcd->USB_Address = address;
- }
-
- __HAL_UNLOCK(hpcd);
- return HAL_OK;
-}
-/**
- * @brief Open and configure an endpoint
- * @param hpcd: PCD handle
- * @param ep_addr: endpoint address
- * @param ep_mps: endpoint max packert size
- * @param ep_type: endpoint type
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_PCD_EP_Open(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint16_t ep_mps, uint8_t ep_type)
-{
- HAL_StatusTypeDef ret = HAL_OK;
- PCD_EPTypeDef *ep;
-
- if ((ep_addr & 0x80) == 0x80)
- {
- ep = &hpcd->IN_ep[ep_addr & 0x7F];
- }
- else
- {
- ep = &hpcd->OUT_ep[ep_addr & 0x7F];
- }
- ep->num = ep_addr & 0x7F;
-
- ep->is_in = (0x80 & ep_addr) != 0;
- ep->maxpacket = ep_mps;
- ep->type = ep_type;
-
- __HAL_LOCK(hpcd);
-
-/* initialize Endpoint */
- switch (ep->type)
- {
- case PCD_EP_TYPE_CTRL:
- PCD_SET_EPTYPE(hpcd->Instance, ep->num, USB_EP_CONTROL);
- break;
- case PCD_EP_TYPE_BULK:
- PCD_SET_EPTYPE(hpcd->Instance, ep->num, USB_EP_BULK);
- break;
- case PCD_EP_TYPE_INTR:
- PCD_SET_EPTYPE(hpcd->Instance, ep->num, USB_EP_INTERRUPT);
- break;
- case PCD_EP_TYPE_ISOC:
- PCD_SET_EPTYPE(hpcd->Instance, ep->num, USB_EP_ISOCHRONOUS);
- break;
- }
-
- PCD_SET_EP_ADDRESS(hpcd->Instance, ep->num, ep->num);
-
- if (ep->doublebuffer == 0)
- {
- if (ep->is_in)
- {
- /*Set the endpoint Transmit buffer address */
- PCD_SET_EP_TX_ADDRESS(hpcd->Instance, ep->num, ep->pmaadress);
- PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num);
- /* Configure NAK status for the Endpoint*/
- PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_NAK);
- }
- else
- {
- /*Set the endpoint Receive buffer address */
- PCD_SET_EP_RX_ADDRESS(hpcd->Instance, ep->num, ep->pmaadress);
- /*Set the endpoint Receive buffer counter*/
- PCD_SET_EP_RX_CNT(hpcd->Instance, ep->num, ep->maxpacket);
- PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num);
- /* Configure VALID status for the Endpoint*/
- PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_VALID);
- }
- }
- /*Double Buffer*/
- else
- {
- /*Set the endpoint as double buffered*/
- PCD_SET_EP_DBUF(hpcd->Instance, ep->num);
- /*Set buffer address for double buffered mode*/
- PCD_SET_EP_DBUF_ADDR(hpcd->Instance, ep->num,ep->pmaaddr0, ep->pmaaddr1);
-
- if (ep->is_in==0)
- {
- /* Clear the data toggle bits for the endpoint IN/OUT*/
- PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num);
- PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num);
-
- /* Reset value of the data toggle bits for the endpoint out*/
- PCD_TX_DTOG(hpcd->Instance, ep->num);
-
- PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_VALID);
- PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS);
- }
- else
- {
- /* Clear the data toggle bits for the endpoint IN/OUT*/
- PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num);
- PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num);
- PCD_RX_DTOG(hpcd->Instance, ep->num);
- /* Configure DISABLE status for the Endpoint*/
- PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS);
- PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_DIS);
- }
- }
-
- __HAL_UNLOCK(hpcd);
- return ret;
-}
-
-
-/**
- * @brief Deactivate an endpoint
- * @param hpcd: PCD handle
- * @param ep_addr: endpoint address
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_PCD_EP_Close(PCD_HandleTypeDef *hpcd, uint8_t ep_addr)
-{
- PCD_EPTypeDef *ep;
-
- if ((ep_addr & 0x80) == 0x80)
- {
- ep = &hpcd->IN_ep[ep_addr & 0x7F];
- }
- else
- {
- ep = &hpcd->OUT_ep[ep_addr & 0x7F];
- }
- ep->num = ep_addr & 0x7F;
-
- ep->is_in = (0x80 & ep_addr) != 0;
-
- __HAL_LOCK(hpcd);
-
- if (ep->doublebuffer == 0)
- {
- if (ep->is_in)
- {
- PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num);
- /* Configure DISABLE status for the Endpoint*/
- PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS);
- }
- else
- {
- PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num);
- /* Configure DISABLE status for the Endpoint*/
- PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_DIS);
- }
- }
- /*Double Buffer*/
- else
- {
- if (ep->is_in==0)
- {
- /* Clear the data toggle bits for the endpoint IN/OUT*/
- PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num);
- PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num);
-
- /* Reset value of the data toggle bits for the endpoint out*/
- PCD_TX_DTOG(hpcd->Instance, ep->num);
-
- PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_DIS);
- PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS);
- }
- else
- {
- /* Clear the data toggle bits for the endpoint IN/OUT*/
- PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num);
- PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num);
- PCD_RX_DTOG(hpcd->Instance, ep->num);
- /* Configure DISABLE status for the Endpoint*/
- PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS);
- PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_DIS);
- }
- }
-
- __HAL_UNLOCK(hpcd);
- return HAL_OK;
-}
-
-
-/**
- * @brief Receive an amount of data
- * @param hpcd: PCD handle
- * @param ep_addr: endpoint address
- * @param pBuf: pointer to the reception buffer
- * @param len: amount of data to be received
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_PCD_EP_Receive(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint8_t *pBuf, uint32_t len)
-{
-
- PCD_EPTypeDef *ep;
-
- ep = &hpcd->OUT_ep[ep_addr & 0x7F];
-
- /*setup and start the Xfer */
- ep->xfer_buff = pBuf;
- ep->xfer_len = len;
- ep->xfer_count = 0;
- ep->is_in = 0;
- ep->num = ep_addr & 0x7F;
-
- __HAL_LOCK(hpcd);
-
- /* Multi packet transfer*/
- if (ep->xfer_len > ep->maxpacket)
- {
- len=ep->maxpacket;
- ep->xfer_len-=len;
- }
- else
- {
- len=ep->xfer_len;
- ep->xfer_len =0;
- }
-
- /* configure and validate Rx endpoint */
- if (ep->doublebuffer == 0)
- {
- /*Set RX buffer count*/
- PCD_SET_EP_RX_CNT(hpcd->Instance, ep->num, len);
- }
- else
- {
- /*Set the Double buffer counter*/
- PCD_SET_EP_DBUF_CNT(hpcd->Instance, ep->num, ep->is_in, len);
- }
-
- PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_VALID);
-
- __HAL_UNLOCK(hpcd);
-
- return HAL_OK;
-}
-
-/**
- * @brief Get Received Data Size
- * @param hpcd: PCD handle
- * @param ep_addr: endpoint address
- * @retval Data Size
- */
-uint16_t HAL_PCD_EP_GetRxCount(PCD_HandleTypeDef *hpcd, uint8_t ep_addr)
-{
- return hpcd->OUT_ep[ep_addr & 0x7F].xfer_count;
-}
-/**
- * @brief Send an amount of data
- * @param hpcd: PCD handle
- * @param ep_addr: endpoint address
- * @param pBuf: pointer to the transmission buffer
- * @param len: amount of data to be sent
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_PCD_EP_Transmit(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint8_t *pBuf, uint32_t len)
-{
- PCD_EPTypeDef *ep;
- uint16_t pmabuffer = 0;
-
- ep = &hpcd->IN_ep[ep_addr & 0x7F];
-
- /*setup and start the Xfer */
- ep->xfer_buff = pBuf;
- ep->xfer_len = len;
- ep->xfer_count = 0;
- ep->is_in = 1;
- ep->num = ep_addr & 0x7F;
-
- __HAL_LOCK(hpcd);
-
- /*Multi packet transfer*/
- if (ep->xfer_len > ep->maxpacket)
- {
- len=ep->maxpacket;
- ep->xfer_len-=len;
- }
- else
- {
- len=ep->xfer_len;
- ep->xfer_len =0;
- }
-
- /* configure and validate Tx endpoint */
- if (ep->doublebuffer == 0)
- {
- PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, len);
- PCD_SET_EP_TX_CNT(hpcd->Instance, ep->num, len);
- }
- else
- {
- /*Set the Double buffer counter */
- PCD_SET_EP_DBUF_CNT(hpcd->Instance, ep->num, ep->is_in, len);
-
- /*Write the data to the USB endpoint*/
- if (PCD_GET_ENDPOINT(hpcd->Instance, ep->num)& USB_EP_DTOG_TX)
- {
- pmabuffer = ep->pmaaddr1;
- }
- else
- {
- pmabuffer = ep->pmaaddr0;
- }
-
- PCD_WritePMA(hpcd->Instance, ep->xfer_buff, pmabuffer, len);
- PCD_FreeUserBuffer(hpcd->Instance, ep->num, ep->is_in);
- }
-
- PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_VALID);
-
- __HAL_UNLOCK(hpcd);
-
- return HAL_OK;
-}
-
-/**
- * @brief Set a STALL condition over an endpoint
- * @param hpcd: PCD handle
- * @param ep_addr: endpoint address
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_PCD_EP_SetStall(PCD_HandleTypeDef *hpcd, uint8_t ep_addr)
-{
- PCD_EPTypeDef *ep;
-
- __HAL_LOCK(hpcd);
-
- if ((0x80 & ep_addr) == 0x80)
- {
- ep = &hpcd->IN_ep[ep_addr & 0x7F];
- }
- else
- {
- ep = &hpcd->OUT_ep[ep_addr];
- }
-
- ep->is_stall = 1;
- ep->num = ep_addr & 0x7F;
- ep->is_in = ((ep_addr & 0x80) == 0x80);
-
- if (ep->num == 0)
- {
- /* This macro sets STALL status for RX & TX*/
- PCD_SET_EP_TXRX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_STALL, USB_EP_TX_STALL);
- }
- else
- {
- if (ep->is_in)
- {
- PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num , USB_EP_TX_STALL);
- }
- else
- {
- PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num , USB_EP_RX_STALL);
- }
- }
- __HAL_UNLOCK(hpcd);
-
- return HAL_OK;
-}
-
-/**
- * @brief Clear a STALL condition over in an endpoint
- * @param hpcd: PCD handle
- * @param ep_addr: endpoint address
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_PCD_EP_ClrStall(PCD_HandleTypeDef *hpcd, uint8_t ep_addr)
-{
- PCD_EPTypeDef *ep;
-
- if ((0x80 & ep_addr) == 0x80)
- {
- ep = &hpcd->IN_ep[ep_addr & 0x7F];
- }
- else
- {
- ep = &hpcd->OUT_ep[ep_addr];
- }
-
- ep->is_stall = 0;
- ep->num = ep_addr & 0x7F;
- ep->is_in = ((ep_addr & 0x80) == 0x80);
-
- __HAL_LOCK(hpcd);
-
- if (ep->is_in)
- {
- PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num);
- PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_VALID);
- }
- else
- {
- PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num);
- PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_VALID);
- }
- __HAL_UNLOCK(hpcd);
-
- return HAL_OK;
-}
-
-/**
- * @brief Flush an endpoint
- * @param hpcd: PCD handle
- * @param ep_addr: endpoint address
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_PCD_EP_Flush(PCD_HandleTypeDef *hpcd, uint8_t ep_addr)
-{
- return HAL_OK;
-}
-
-/**
- * @brief HAL_PCD_ActivateRemoteWakeup : active remote wakeup signalling
- * @param hpcd: PCD handle
- * @retval status
- */
-HAL_StatusTypeDef HAL_PCD_ActivateRemoteWakeup(PCD_HandleTypeDef *hpcd)
-{
- hpcd->Instance->CNTR |= USB_CNTR_RESUME;
- return HAL_OK;
-}
-
-/**
- * @brief HAL_PCD_DeActivateRemoteWakeup : de-active remote wakeup signalling
- * @param hpcd: PCD handle
- * @retval status
- */
-HAL_StatusTypeDef HAL_PCD_DeActivateRemoteWakeup(PCD_HandleTypeDef *hpcd)
-{
- hpcd->Instance->CNTR &= ((uint16_t) ~(USB_CNTR_RESUME));
- return HAL_OK;
-}
-
-
-/**
- * @}
- */
-
-/** @addtogroup PCD_Exported_Functions_Group4
- * @brief Peripheral State functions
- *
-@verbatim
- ===============================================================================
- ##### Peripheral State functions #####
- ===============================================================================
- [..]
- This subsection permit to get in run-time the status of the peripheral
- and the data flow.
-
-@endverbatim
- * @{
- */
-
-/**
- * @brief Return the PCD state
- * @param hpcd: PCD handle
- * @retval HAL state
- */
-PCD_StateTypeDef HAL_PCD_GetState(PCD_HandleTypeDef *hpcd)
-{
- return hpcd->State;
-}
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/** @addtogroup PCD_Private
- * @{
- */
-
-
-/**
- * @brief Copy a buffer from user memory area to packet memory area (PMA)
- * @param USBx: USB device
- * @param pbUsrBuf: pointer to user memory area.
- * @param wPMABufAddr: address into PMA.
- * @param wNBytes: no. of bytes to be copied.
- * @retval None
- */
-void PCD_WritePMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
-{
- uint32_t n = (wNBytes + 1) >> 1;
- uint32_t i;
- uint16_t temp1, temp2;
- uint16_t *pdwVal;
- pdwVal = (uint16_t *)(wPMABufAddr + (uint32_t)USBx + 0x400);
-
- for (i = n; i != 0; i--)
- {
- temp1 = (uint16_t) * pbUsrBuf;
- pbUsrBuf++;
- temp2 = temp1 | (uint16_t) * pbUsrBuf << 8;
- *pdwVal++ = temp2;
- pbUsrBuf++;
- }
-}
-
-/**
- * @brief Copy a buffer from user memory area to packet memory area (PMA)
- * @param USBx: USB device
- * @param pbUsrBuf: pointer to user memory area.
- * @param wPMABufAddr: address into PMA.
- * @param wNBytes: no. of bytes to be copied.
- * @retval None
- */
-void PCD_ReadPMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
-{
- uint32_t n = (wNBytes + 1) >> 1;
- uint32_t i;
- uint16_t *pdwVal;
- pdwVal = (uint16_t *)(wPMABufAddr + (uint32_t)USBx + 0x400);
- for (i = n; i != 0; i--)
- {
- *(uint16_t*)pbUsrBuf++ = *pdwVal++;
- pbUsrBuf++;
- }
-}
-/**
- * @brief This function handles PCD Endpoint interrupt request.
- * @param hpcd: PCD handle
- * @retval HAL status
- */
-static HAL_StatusTypeDef PCD_EP_ISR_Handler(PCD_HandleTypeDef *hpcd)
-{
- PCD_EPTypeDef *ep;
- uint16_t count=0;
- uint8_t EPindex;
- __IO uint16_t wIstr;
- __IO uint16_t wEPVal = 0;
-
- /* stay in loop while pending interrupts */
- while (((wIstr = hpcd->Instance->ISTR) & USB_ISTR_CTR) != 0)
- {
- /* extract highest priority endpoint number */
- EPindex = (uint8_t)(wIstr & USB_ISTR_EP_ID);
-
- if (EPindex == 0)
- {
- /* Decode and service control endpoint interrupt */
-
- /* DIR bit = origin of the interrupt */
- if ((wIstr & USB_ISTR_DIR) == 0)
- {
- /* DIR = 0 */
-
- /* DIR = 0 => IN int */
- /* DIR = 0 implies that (EP_CTR_TX = 1) always */
- PCD_CLEAR_TX_EP_CTR(hpcd->Instance, PCD_ENDP0);
- ep = &hpcd->IN_ep[0];
-
- ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num);
- ep->xfer_buff += ep->xfer_count;
-
- /* TX COMPLETE */
- HAL_PCD_DataInStageCallback(hpcd, 0);
-
-
- if((hpcd->USB_Address > 0)&& ( ep->xfer_len == 0))
- {
- hpcd->Instance->DADDR = (hpcd->USB_Address | USB_DADDR_EF);
- hpcd->USB_Address = 0;
- }
-
- }
- else
- {
- /* DIR = 1 */
-
- /* DIR = 1 & CTR_RX => SETUP or OUT int */
- /* DIR = 1 & (CTR_TX | CTR_RX) => 2 int pending */
- ep = &hpcd->OUT_ep[0];
- wEPVal = PCD_GET_ENDPOINT(hpcd->Instance, PCD_ENDP0);
-
- if ((wEPVal & USB_EP_SETUP) != 0)
- {
- /* Get SETUP Packet*/
- ep->xfer_count = PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num);
- PCD_ReadPMA(hpcd->Instance, (uint8_t*)hpcd->Setup ,ep->pmaadress , ep->xfer_count);
- /* SETUP bit kept frozen while CTR_RX = 1*/
- PCD_CLEAR_RX_EP_CTR(hpcd->Instance, PCD_ENDP0);
-
- /* Process SETUP Packet*/
- HAL_PCD_SetupStageCallback(hpcd);
- }
-
- else if ((wEPVal & USB_EP_CTR_RX) != 0)
- {
- PCD_CLEAR_RX_EP_CTR(hpcd->Instance, PCD_ENDP0);
- /* Get Control Data OUT Packet*/
- ep->xfer_count = PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num);
-
- if (ep->xfer_count != 0)
- {
- PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, ep->xfer_count);
- ep->xfer_buff+=ep->xfer_count;
- }
-
- /* Process Control Data OUT Packet*/
- HAL_PCD_DataOutStageCallback(hpcd, 0);
-
- PCD_SET_EP_RX_CNT(hpcd->Instance, PCD_ENDP0, ep->maxpacket);
- PCD_SET_EP_RX_STATUS(hpcd->Instance, PCD_ENDP0, USB_EP_RX_VALID);
- }
- }
- }
- else
- {
-
- /* Decode and service non control endpoints interrupt */
-
- /* process related endpoint register */
- wEPVal = PCD_GET_ENDPOINT(hpcd->Instance, EPindex);
- if ((wEPVal & USB_EP_CTR_RX) != 0)
- {
- /* clear int flag */
- PCD_CLEAR_RX_EP_CTR(hpcd->Instance, EPindex);
- ep = &hpcd->OUT_ep[EPindex];
-
- /* OUT double Buffering*/
- if (ep->doublebuffer == 0)
- {
- count = PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num);
- if (count != 0)
- {
- PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, count);
- }
- }
- else
- {
- if (PCD_GET_ENDPOINT(hpcd->Instance, ep->num) & USB_EP_DTOG_RX)
- {
- /*read from endpoint BUF0Addr buffer*/
- count = PCD_GET_EP_DBUF0_CNT(hpcd->Instance, ep->num);
- if (count != 0)
- {
- PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr0, count);
- }
- }
- else
- {
- /*read from endpoint BUF1Addr buffer*/
- count = PCD_GET_EP_DBUF1_CNT(hpcd->Instance, ep->num);
- if (count != 0)
- {
- PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr1, count);
- }
- }
- PCD_FreeUserBuffer(hpcd->Instance, ep->num, PCD_EP_DBUF_OUT);
- }
- /*multi-packet on the NON control OUT endpoint*/
- ep->xfer_count+=count;
- ep->xfer_buff+=count;
-
- if ((ep->xfer_len == 0) || (count < ep->maxpacket))
- {
- /* RX COMPLETE */
- HAL_PCD_DataOutStageCallback(hpcd, ep->num);
- }
- else
- {
- HAL_PCD_EP_Receive(hpcd, ep->num, ep->xfer_buff, ep->xfer_len);
- }
-
- } /* if((wEPVal & EP_CTR_RX) */
-
- if ((wEPVal & USB_EP_CTR_TX) != 0)
- {
- ep = &hpcd->IN_ep[EPindex];
-
- /* clear int flag */
- PCD_CLEAR_TX_EP_CTR(hpcd->Instance, EPindex);
-
- /* IN double Buffering*/
- if (ep->doublebuffer == 0)
- {
- ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num);
- if (ep->xfer_count != 0)
- {
- PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, ep->xfer_count);
- }
- }
- else
- {
- if (PCD_GET_ENDPOINT(hpcd->Instance, ep->num) & USB_EP_DTOG_TX)
- {
- /*read from endpoint BUF0Addr buffer*/
- ep->xfer_count = PCD_GET_EP_DBUF0_CNT(hpcd->Instance, ep->num);
- if (ep->xfer_count != 0)
- {
- PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr0, ep->xfer_count);
- }
- }
- else
- {
- /*read from endpoint BUF1Addr buffer*/
- ep->xfer_count = PCD_GET_EP_DBUF1_CNT(hpcd->Instance, ep->num);
- if (ep->xfer_count != 0)
- {
- PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr1, ep->xfer_count);
- }
- }
- PCD_FreeUserBuffer(hpcd->Instance, ep->num, PCD_EP_DBUF_IN);
- }
- /*multi-packet on the NON control IN endpoint*/
- ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num);
- ep->xfer_buff+=ep->xfer_count;
-
- /* Zero Length Packet? */
- if (ep->xfer_len == 0)
- {
- /* TX COMPLETE */
- HAL_PCD_DataInStageCallback(hpcd, ep->num);
- }
- else
- {
- HAL_PCD_EP_Transmit(hpcd, ep->num, ep->xfer_buff, ep->xfer_len);
- }
- }
- }
- }
- return HAL_OK;
-}
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-#endif /* HAL_PCD_MODULE_ENABLED */
-#endif /* #if !defined(STM32L011xx) && !defined(STM32L021xx) && !defined (STM32L031xx) && !defined (STM32L041xx) && !defined (STM32L051xx) && !defined (STM32L061xx) && !defined (STM32L071xx) && !defined (STM32L081xx) */
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
-
+/**
+ ******************************************************************************
+ * @file stm32l0xx_hal_pcd.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 8-January-2016
+ * @brief PCD HAL module driver.
+ * This file provides firmware functions to manage the following
+ * functionalities of the USB Peripheral Controller:
+ * + Initialization and de-initialization functions
+ * + IO operation functions
+ * + Peripheral Control functions
+ * + Peripheral State functions
+ *
+ @verbatim
+ ==============================================================================
+ ##### How to use this driver #####
+ ==============================================================================
+ [..]
+ The PCD HAL driver can be used as follows:
+
+ (#) Declare a PCD_HandleTypeDef handle structure, for example:
+ PCD_HandleTypeDef hpcd;
+
+ (#) Fill parameters of Init structure in HCD handle
+
+ (#) Call HAL_PCD_Init() API to initialize the HCD peripheral (Core, Device core, ...)
+
+ (#) Initialize the PCD low level resources through the HAL_PCD_MspInit() API:
+ (##) Enable the PCD/USB Low Level interface clock using
+ (+++) __HAL_RCC_USB_CLK_ENABLE();
+
+ (##) Initialize the related GPIO clocks
+ (##) Configure PCD pin-out
+ (##) Configure PCD NVIC interrupt
+
+ (#)Associate the Upper USB device stack to the HAL PCD Driver:
+ (##) hpcd.pData = pdev;
+
+ (#)Enable HCD transmission and reception:
+ (##) HAL_PCD_Start();
+
+ @endverbatim
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 1. Redistributions 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 its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 "stm32l0xx_hal.h"
+
+#if !defined(STM32L011xx) && !defined(STM32L021xx) && !defined (STM32L031xx) && !defined (STM32L041xx) && !defined (STM32L051xx) && !defined (STM32L061xx) && !defined (STM32L071xx) && !defined (STM32L081xx)
+#ifdef HAL_PCD_MODULE_ENABLED
+/** @addtogroup STM32L0xx_HAL_Driver
+ * @{
+ */
+
+/** @addtogroup PCD
+ * @brief PCD HAL module driver
+ * @{
+ */
+
+/** @addtogroup PCD_Private
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+#define BTABLE_ADDRESS (0x000)
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+static HAL_StatusTypeDef PCD_EP_ISR_Handler(PCD_HandleTypeDef *hpcd);
+void PCD_WritePMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes);
+void PCD_ReadPMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes);
+
+/**
+ * @}
+ */
+/* Private functions ---------------------------------------------------------*/
+
+
+/** @addtogroup PCD_Exported_Functions
+ * @{
+ */
+
+/** @addtogroup PCD_Exported_Functions_Group1
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and de-initialization functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to:
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Initializes the PCD according to the specified
+ * parameters in the PCD_InitTypeDef and create the associated handle.
+ * @param hpcd: PCD handle
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCD_Init(PCD_HandleTypeDef *hpcd)
+{
+ uint32_t i = 0;
+
+ uint32_t wInterrupt_Mask = 0;
+
+ /* Check the PCD handle allocation */
+ if(hpcd == NULL)
+ {
+ return HAL_ERROR;
+ }
+
+ /* Check the parameters */
+ assert_param(IS_PCD_ALL_INSTANCE(hpcd->Instance));
+
+ if(hpcd->State == HAL_PCD_STATE_RESET)
+ {
+ /* Allocate lock resource and initialize it */
+ hpcd->Lock = HAL_UNLOCKED;
+
+ /* Init the low level hardware : GPIO, CLOCK, NVIC... */
+ HAL_PCD_MspInit(hpcd);
+ }
+
+ hpcd->State = HAL_PCD_STATE_BUSY;
+
+ /* Init endpoints structures */
+ for (i = 0; i < hpcd->Init.dev_endpoints ; i++)
+ {
+ /* Init ep structure */
+ hpcd->IN_ep[i].is_in = 1;
+ hpcd->IN_ep[i].num = i;
+ /* Control until ep is actvated */
+ hpcd->IN_ep[i].type = PCD_EP_TYPE_CTRL;
+ hpcd->IN_ep[i].maxpacket = 0;
+ hpcd->IN_ep[i].xfer_buff = 0;
+ hpcd->IN_ep[i].xfer_len = 0;
+ }
+
+ for (i = 0; i < hpcd->Init.dev_endpoints ; i++)
+ {
+ hpcd->OUT_ep[i].is_in = 0;
+ hpcd->OUT_ep[i].num = i;
+ /* Control until ep is activated */
+ hpcd->OUT_ep[i].type = PCD_EP_TYPE_CTRL;
+ hpcd->OUT_ep[i].maxpacket = 0;
+ hpcd->OUT_ep[i].xfer_buff = 0;
+ hpcd->OUT_ep[i].xfer_len = 0;
+ }
+
+ /* Init Device */
+ /*CNTR_FRES = 1*/
+ hpcd->Instance->CNTR = USB_CNTR_FRES;
+
+ /*CNTR_FRES = 0*/
+ hpcd->Instance->CNTR = 0;
+
+ /*Clear pending interrupts*/
+ hpcd->Instance->ISTR = 0;
+
+ /*Set Btable Adress*/
+ hpcd->Instance->BTABLE = BTABLE_ADDRESS;
+
+ /*set wInterrupt_Mask global variable*/
+ wInterrupt_Mask = USB_CNTR_CTRM | USB_CNTR_WKUPM | USB_CNTR_SUSPM | USB_CNTR_ERRM \
+ | USB_CNTR_ESOFM | USB_CNTR_RESETM;
+
+ /*Set interrupt mask*/
+ hpcd->Instance->CNTR = wInterrupt_Mask;
+
+ hpcd->USB_Address = 0;
+ hpcd->State= HAL_PCD_STATE_READY;
+
+ return HAL_OK;
+}
+
+/**
+ * @brief DeInitializes the PCD peripheral
+ * @param hpcd: PCD handle
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCD_DeInit(PCD_HandleTypeDef *hpcd)
+{
+ /* Check the PCD handle allocation */
+ if(hpcd == NULL)
+ {
+ return HAL_ERROR;
+ }
+
+ hpcd->State = HAL_PCD_STATE_BUSY;
+
+ /* Stop Device */
+ HAL_PCD_Stop(hpcd);
+
+ /* DeInit the low level hardware */
+ HAL_PCD_MspDeInit(hpcd);
+
+ hpcd->State = HAL_PCD_STATE_RESET;
+
+ return HAL_OK;
+}
+
+/**
+ * @brief Initializes the PCD MSP.
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+__weak void HAL_PCD_MspInit(PCD_HandleTypeDef *hpcd)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hpcd);
+
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_MspInit could be implemented in the user file
+ */
+}
+
+/**
+ * @brief DeInitializes PCD MSP.
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+__weak void HAL_PCD_MspDeInit(PCD_HandleTypeDef *hpcd)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hpcd);
+
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_MspDeInit could be implemented in the user file
+ */
+}
+
+/**
+ * @}
+ */
+
+/** @addtogroup PCD_Exported_Functions_Group2
+ * @brief Data transfers functions
+ *
+@verbatim
+ ===============================================================================
+ ##### IO operation functions #####
+ ===============================================================================
+ [..]
+ This subsection provides a set of functions allowing to manage the PCD data
+ transfers.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Start The USB OTG Device.
+ * @param hpcd: PCD handle
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCD_Start(PCD_HandleTypeDef *hpcd)
+{
+ /* Enabling DP Pull-Down bit to Connect internal pull-up on USB DP line */
+ hpcd->Instance->BCDR |= USB_BCDR_DPPU;
+
+ return HAL_OK;
+}
+
+/**
+ * @brief Stop The USB OTG Device.
+ * @param hpcd: PCD handle
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCD_Stop(PCD_HandleTypeDef *hpcd)
+{
+ __HAL_LOCK(hpcd);
+
+ /* disable all interrupts and force USB reset */
+ hpcd->Instance->CNTR = USB_CNTR_FRES;
+
+ /* clear interrupt status register */
+ hpcd->Instance->ISTR = 0;
+
+ /* switch-off device */
+ hpcd->Instance->CNTR = (USB_CNTR_FRES | USB_CNTR_PDWN);
+
+ __HAL_UNLOCK(hpcd);
+ return HAL_OK;
+}
+
+/**
+ * @brief This function handles PCD interrupt request.
+ * @param hpcd: PCD handle
+ * @retval HAL status
+ */
+void HAL_PCD_IRQHandler(PCD_HandleTypeDef *hpcd)
+{
+ uint32_t wInterrupt_Mask = 0;
+
+ if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_CTR))
+ {
+ /* servicing of the endpoint correct transfer interrupt */
+ /* clear of the CTR flag into the sub */
+ PCD_EP_ISR_Handler(hpcd);
+ }
+
+ if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_RESET))
+ {
+ __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_RESET);
+ HAL_PCD_ResetCallback(hpcd);
+ HAL_PCD_SetAddress(hpcd, 0);
+ }
+
+ if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_PMAOVR))
+ {
+ __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_PMAOVR);
+ }
+
+ if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_ERR))
+ {
+ __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_ERR);
+ }
+
+ if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_WKUP))
+ {
+
+ hpcd->Instance->CNTR &= (uint16_t) ~(USB_CNTR_LPMODE);
+
+ /*set wInterrupt_Mask global variable*/
+ wInterrupt_Mask = USB_CNTR_CTRM | USB_CNTR_WKUPM | USB_CNTR_SUSPM | USB_CNTR_ERRM \
+ | USB_CNTR_ESOFM | USB_CNTR_RESETM;
+
+ /*Set interrupt mask*/
+ hpcd->Instance->CNTR = wInterrupt_Mask;
+
+ HAL_PCD_ResumeCallback(hpcd);
+
+ __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_WKUP);
+ }
+
+ if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_SUSP))
+ {
+ /* clear of the ISTR bit must be done after setting of CNTR_FSUSP */
+ __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_SUSP);
+
+ /* Force low-power mode in the macrocell */
+ hpcd->Instance->CNTR |= USB_CNTR_FSUSP;
+ hpcd->Instance->CNTR |= USB_CNTR_LPMODE;
+
+ if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_WKUP) == 0)
+ {
+ HAL_PCD_SuspendCallback(hpcd);
+ }
+ }
+
+ if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_SOF))
+ {
+ __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_SOF);
+ HAL_PCD_SOFCallback(hpcd);
+ }
+
+ if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_ESOF))
+ {
+ /* clear ESOF flag in ISTR */
+ __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_ESOF);
+ }
+}
+
+/**
+ * @brief Data out stage callbacks
+ * @param hpcd: PCD handle
+ * @param epnum: endpoint number
+ * @retval None
+ */
+ __weak void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hpcd);
+ UNUSED(epnum);
+
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_DataOutStageCallback could be implemented in the user file
+ */
+}
+
+/**
+ * @brief Data IN stage callbacks
+ * @param hpcd: PCD handle
+ * @param epnum: endpoint number
+ * @retval None
+ */
+ __weak void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hpcd);
+ UNUSED(epnum);
+
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_DataOutStageCallback could be implemented in the user file
+ */
+}
+/**
+ * @brief Setup stage callback
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+ __weak void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hpcd);
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_DataOutStageCallback could be implemented in the user file
+ */
+}
+
+/**
+ * @brief USB Start Of Frame callbacks
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+ __weak void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hpcd);
+
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_DataOutStageCallback could be implemented in the user file
+ */
+}
+
+/**
+ * @brief USB Reset callbacks
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+ __weak void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hpcd);
+
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_DataOutStageCallback could be implemented in the user file
+ */
+}
+
+
+/**
+ * @brief Suspend event callbacks
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+ __weak void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hpcd);
+
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_DataOutStageCallback could be implemented in the user file
+ */
+}
+
+/**
+ * @brief Resume event callbacks
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+ __weak void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hpcd);
+
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_DataOutStageCallback could be implemented in the user file
+ */
+}
+
+/**
+ * @brief Incomplete ISO OUT callbacks
+ * @param hpcd: PCD handle
+ * @param epnum: endpoint number
+ * @retval None
+ */
+ __weak void HAL_PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hpcd);
+ UNUSED(epnum);
+
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_DataOutStageCallback could be implemented in the user file
+ */
+}
+
+/**
+ * @brief Incomplete ISO IN callbacks
+ * @param hpcd: PCD handle
+ * @param epnum: endpoint number
+ * @retval None
+ */
+ __weak void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hpcd);
+ UNUSED(epnum);
+
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_DataOutStageCallback could be implemented in the user file
+ */
+}
+
+/**
+ * @brief Connection event callbacks
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+ __weak void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hpcd);
+
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_DataOutStageCallback could be implemented in the user file
+ */
+}
+
+/**
+ * @brief Disconnection event callbacks
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+ __weak void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hpcd);
+
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_DataOutStageCallback could be implemented in the user file
+ */
+}
+
+/**
+ * @}
+ */
+
+
+/** @addtogroup PCD_Exported_Functions_Group3
+ * @brief management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Peripheral Control functions #####
+ ===============================================================================
+ [..]
+ This subsection provides a set of functions allowing to control the PCD data
+ transfers.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Connect the USB device
+ * @param hpcd: PCD handle
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCD_DevConnect(PCD_HandleTypeDef *hpcd)
+{
+ __HAL_LOCK(hpcd);
+
+ /* Enabling DP Pull-Down bit to Connect internal pull-up on USB DP line */
+ hpcd->Instance->BCDR |= USB_BCDR_DPPU;
+
+ __HAL_UNLOCK(hpcd);
+ return HAL_OK;
+}
+
+/**
+ * @brief Disconnect the USB device
+ * @param hpcd: PCD handle
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCD_DevDisconnect(PCD_HandleTypeDef *hpcd)
+{
+ __HAL_LOCK(hpcd);
+
+ /* Disable DP Pull-Down bit*/
+ hpcd->Instance->BCDR &= ((uint16_t) ~(USB_BCDR_DPPU));
+
+ __HAL_UNLOCK(hpcd);
+ return HAL_OK;
+}
+
+/**
+ * @brief Set the USB Device address
+ * @param hpcd: PCD handle
+ * @param address: new device address
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCD_SetAddress(PCD_HandleTypeDef *hpcd, uint8_t address)
+{
+ __HAL_LOCK(hpcd);
+
+ if(address == 0)
+ {
+ /* set device address and enable function */
+ hpcd->Instance->DADDR = USB_DADDR_EF;
+ }
+ else /* USB Address will be applied later */
+ {
+ hpcd->USB_Address = address;
+ }
+
+ __HAL_UNLOCK(hpcd);
+ return HAL_OK;
+}
+/**
+ * @brief Open and configure an endpoint
+ * @param hpcd: PCD handle
+ * @param ep_addr: endpoint address
+ * @param ep_mps: endpoint max packert size
+ * @param ep_type: endpoint type
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCD_EP_Open(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint16_t ep_mps, uint8_t ep_type)
+{
+ HAL_StatusTypeDef ret = HAL_OK;
+ PCD_EPTypeDef *ep;
+
+ if ((ep_addr & 0x80) == 0x80)
+ {
+ ep = &hpcd->IN_ep[ep_addr & 0x7F];
+ }
+ else
+ {
+ ep = &hpcd->OUT_ep[ep_addr & 0x7F];
+ }
+ ep->num = ep_addr & 0x7F;
+
+ ep->is_in = (0x80 & ep_addr) != 0;
+ ep->maxpacket = ep_mps;
+ ep->type = ep_type;
+
+ __HAL_LOCK(hpcd);
+
+/* initialize Endpoint */
+ switch (ep->type)
+ {
+ case PCD_EP_TYPE_CTRL:
+ PCD_SET_EPTYPE(hpcd->Instance, ep->num, USB_EP_CONTROL);
+ break;
+ case PCD_EP_TYPE_BULK:
+ PCD_SET_EPTYPE(hpcd->Instance, ep->num, USB_EP_BULK);
+ break;
+ case PCD_EP_TYPE_INTR:
+ PCD_SET_EPTYPE(hpcd->Instance, ep->num, USB_EP_INTERRUPT);
+ break;
+ case PCD_EP_TYPE_ISOC:
+ PCD_SET_EPTYPE(hpcd->Instance, ep->num, USB_EP_ISOCHRONOUS);
+ break;
+ }
+
+ PCD_SET_EP_ADDRESS(hpcd->Instance, ep->num, ep->num);
+
+ if (ep->doublebuffer == 0)
+ {
+ if (ep->is_in)
+ {
+ /*Set the endpoint Transmit buffer address */
+ PCD_SET_EP_TX_ADDRESS(hpcd->Instance, ep->num, ep->pmaadress);
+ PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num);
+ /* Configure NAK status for the Endpoint*/
+ PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_NAK);
+ }
+ else
+ {
+ /*Set the endpoint Receive buffer address */
+ PCD_SET_EP_RX_ADDRESS(hpcd->Instance, ep->num, ep->pmaadress);
+ /*Set the endpoint Receive buffer counter*/
+ PCD_SET_EP_RX_CNT(hpcd->Instance, ep->num, ep->maxpacket);
+ PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num);
+ /* Configure VALID status for the Endpoint*/
+ PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_VALID);
+ }
+ }
+ /*Double Buffer*/
+ else
+ {
+ /*Set the endpoint as double buffered*/
+ PCD_SET_EP_DBUF(hpcd->Instance, ep->num);
+ /*Set buffer address for double buffered mode*/
+ PCD_SET_EP_DBUF_ADDR(hpcd->Instance, ep->num,ep->pmaaddr0, ep->pmaaddr1);
+
+ if (ep->is_in==0)
+ {
+ /* Clear the data toggle bits for the endpoint IN/OUT*/
+ PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num);
+ PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num);
+
+ /* Reset value of the data toggle bits for the endpoint out*/
+ PCD_TX_DTOG(hpcd->Instance, ep->num);
+
+ PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_VALID);
+ PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS);
+ }
+ else
+ {
+ /* Clear the data toggle bits for the endpoint IN/OUT*/
+ PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num);
+ PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num);
+ PCD_RX_DTOG(hpcd->Instance, ep->num);
+ /* Configure DISABLE status for the Endpoint*/
+ PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS);
+ PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_DIS);
+ }
+ }
+
+ __HAL_UNLOCK(hpcd);
+ return ret;
+}
+
+
+/**
+ * @brief Deactivate an endpoint
+ * @param hpcd: PCD handle
+ * @param ep_addr: endpoint address
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCD_EP_Close(PCD_HandleTypeDef *hpcd, uint8_t ep_addr)
+{
+ PCD_EPTypeDef *ep;
+
+ if ((ep_addr & 0x80) == 0x80)
+ {
+ ep = &hpcd->IN_ep[ep_addr & 0x7F];
+ }
+ else
+ {
+ ep = &hpcd->OUT_ep[ep_addr & 0x7F];
+ }
+ ep->num = ep_addr & 0x7F;
+
+ ep->is_in = (0x80 & ep_addr) != 0;
+
+ __HAL_LOCK(hpcd);
+
+ if (ep->doublebuffer == 0)
+ {
+ if (ep->is_in)
+ {
+ PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num);
+ /* Configure DISABLE status for the Endpoint*/
+ PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS);
+ }
+ else
+ {
+ PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num);
+ /* Configure DISABLE status for the Endpoint*/
+ PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_DIS);
+ }
+ }
+ /*Double Buffer*/
+ else
+ {
+ if (ep->is_in==0)
+ {
+ /* Clear the data toggle bits for the endpoint IN/OUT*/
+ PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num);
+ PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num);
+
+ /* Reset value of the data toggle bits for the endpoint out*/
+ PCD_TX_DTOG(hpcd->Instance, ep->num);
+
+ PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_DIS);
+ PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS);
+ }
+ else
+ {
+ /* Clear the data toggle bits for the endpoint IN/OUT*/
+ PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num);
+ PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num);
+ PCD_RX_DTOG(hpcd->Instance, ep->num);
+ /* Configure DISABLE status for the Endpoint*/
+ PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS);
+ PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_DIS);
+ }
+ }
+
+ __HAL_UNLOCK(hpcd);
+ return HAL_OK;
+}
+
+
+/**
+ * @brief Receive an amount of data
+ * @param hpcd: PCD handle
+ * @param ep_addr: endpoint address
+ * @param pBuf: pointer to the reception buffer
+ * @param len: amount of data to be received
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCD_EP_Receive(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint8_t *pBuf, uint32_t len)
+{
+
+ PCD_EPTypeDef *ep;
+
+ ep = &hpcd->OUT_ep[ep_addr & 0x7F];
+
+ /*setup and start the Xfer */
+ ep->xfer_buff = pBuf;
+ ep->xfer_len = len;
+ ep->xfer_count = 0;
+ ep->is_in = 0;
+ ep->num = ep_addr & 0x7F;
+
+ __HAL_LOCK(hpcd);
+
+ /* Multi packet transfer*/
+ if (ep->xfer_len > ep->maxpacket)
+ {
+ len=ep->maxpacket;
+ ep->xfer_len-=len;
+ }
+ else
+ {
+ len=ep->xfer_len;
+ ep->xfer_len =0;
+ }
+
+ /* configure and validate Rx endpoint */
+ if (ep->doublebuffer == 0)
+ {
+ /*Set RX buffer count*/
+ PCD_SET_EP_RX_CNT(hpcd->Instance, ep->num, len);
+ }
+ else
+ {
+ /*Set the Double buffer counter*/
+ PCD_SET_EP_DBUF_CNT(hpcd->Instance, ep->num, ep->is_in, len);
+ }
+
+ PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_VALID);
+
+ __HAL_UNLOCK(hpcd);
+
+ return HAL_OK;
+}
+
+/**
+ * @brief Get Received Data Size
+ * @param hpcd: PCD handle
+ * @param ep_addr: endpoint address
+ * @retval Data Size
+ */
+uint16_t HAL_PCD_EP_GetRxCount(PCD_HandleTypeDef *hpcd, uint8_t ep_addr)
+{
+ return hpcd->OUT_ep[ep_addr & 0x7F].xfer_count;
+}
+/**
+ * @brief Send an amount of data
+ * @param hpcd: PCD handle
+ * @param ep_addr: endpoint address
+ * @param pBuf: pointer to the transmission buffer
+ * @param len: amount of data to be sent
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCD_EP_Transmit(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint8_t *pBuf, uint32_t len)
+{
+ PCD_EPTypeDef *ep;
+ uint16_t pmabuffer = 0;
+
+ ep = &hpcd->IN_ep[ep_addr & 0x7F];
+
+ /*setup and start the Xfer */
+ ep->xfer_buff = pBuf;
+ ep->xfer_len = len;
+ ep->xfer_count = 0;
+ ep->is_in = 1;
+ ep->num = ep_addr & 0x7F;
+
+ __HAL_LOCK(hpcd);
+
+ /*Multi packet transfer*/
+ if (ep->xfer_len > ep->maxpacket)
+ {
+ len=ep->maxpacket;
+ ep->xfer_len-=len;
+ }
+ else
+ {
+ len=ep->xfer_len;
+ ep->xfer_len =0;
+ }
+
+ /* configure and validate Tx endpoint */
+ if (ep->doublebuffer == 0)
+ {
+ PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, len);
+ PCD_SET_EP_TX_CNT(hpcd->Instance, ep->num, len);
+ }
+ else
+ {
+ /*Set the Double buffer counter */
+ PCD_SET_EP_DBUF_CNT(hpcd->Instance, ep->num, ep->is_in, len);
+
+ /*Write the data to the USB endpoint*/
+ if (PCD_GET_ENDPOINT(hpcd->Instance, ep->num)& USB_EP_DTOG_TX)
+ {
+ pmabuffer = ep->pmaaddr1;
+ }
+ else
+ {
+ pmabuffer = ep->pmaaddr0;
+ }
+
+ PCD_WritePMA(hpcd->Instance, ep->xfer_buff, pmabuffer, len);
+ PCD_FreeUserBuffer(hpcd->Instance, ep->num, ep->is_in);
+ }
+
+ PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_VALID);
+
+ __HAL_UNLOCK(hpcd);
+
+ return HAL_OK;
+}
+
+/**
+ * @brief Set a STALL condition over an endpoint
+ * @param hpcd: PCD handle
+ * @param ep_addr: endpoint address
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCD_EP_SetStall(PCD_HandleTypeDef *hpcd, uint8_t ep_addr)
+{
+ PCD_EPTypeDef *ep;
+
+ __HAL_LOCK(hpcd);
+
+ if ((0x80 & ep_addr) == 0x80)
+ {
+ ep = &hpcd->IN_ep[ep_addr & 0x7F];
+ }
+ else
+ {
+ ep = &hpcd->OUT_ep[ep_addr];
+ }
+
+ ep->is_stall = 1;
+ ep->num = ep_addr & 0x7F;
+ ep->is_in = ((ep_addr & 0x80) == 0x80);
+
+ if (ep->num == 0)
+ {
+ /* This macro sets STALL status for RX & TX*/
+ PCD_SET_EP_TXRX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_STALL, USB_EP_TX_STALL);
+ }
+ else
+ {
+ if (ep->is_in)
+ {
+ PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num , USB_EP_TX_STALL);
+ }
+ else
+ {
+ PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num , USB_EP_RX_STALL);
+ }
+ }
+ __HAL_UNLOCK(hpcd);
+
+ return HAL_OK;
+}
+
+/**
+ * @brief Clear a STALL condition over in an endpoint
+ * @param hpcd: PCD handle
+ * @param ep_addr: endpoint address
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCD_EP_ClrStall(PCD_HandleTypeDef *hpcd, uint8_t ep_addr)
+{
+ PCD_EPTypeDef *ep;
+
+ if ((0x80 & ep_addr) == 0x80)
+ {
+ ep = &hpcd->IN_ep[ep_addr & 0x7F];
+ }
+ else
+ {
+ ep = &hpcd->OUT_ep[ep_addr];
+ }
+
+ ep->is_stall = 0;
+ ep->num = ep_addr & 0x7F;
+ ep->is_in = ((ep_addr & 0x80) == 0x80);
+
+ __HAL_LOCK(hpcd);
+
+ if (ep->is_in)
+ {
+ PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num);
+ PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_VALID);
+ }
+ else
+ {
+ PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num);
+ PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_VALID);
+ }
+ __HAL_UNLOCK(hpcd);
+
+ return HAL_OK;
+}
+
+/**
+ * @brief Flush an endpoint
+ * @param hpcd: PCD handle
+ * @param ep_addr: endpoint address
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCD_EP_Flush(PCD_HandleTypeDef *hpcd, uint8_t ep_addr)
+{
+ return HAL_OK;
+}
+
+/**
+ * @brief HAL_PCD_ActivateRemoteWakeup : active remote wakeup signalling
+ * @param hpcd: PCD handle
+ * @retval status
+ */
+HAL_StatusTypeDef HAL_PCD_ActivateRemoteWakeup(PCD_HandleTypeDef *hpcd)
+{
+ hpcd->Instance->CNTR |= USB_CNTR_RESUME;
+ return HAL_OK;
+}
+
+/**
+ * @brief HAL_PCD_DeActivateRemoteWakeup : de-active remote wakeup signalling
+ * @param hpcd: PCD handle
+ * @retval status
+ */
+HAL_StatusTypeDef HAL_PCD_DeActivateRemoteWakeup(PCD_HandleTypeDef *hpcd)
+{
+ hpcd->Instance->CNTR &= ((uint16_t) ~(USB_CNTR_RESUME));
+ return HAL_OK;
+}
+
+
+/**
+ * @}
+ */
+
+/** @addtogroup PCD_Exported_Functions_Group4
+ * @brief Peripheral State functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Peripheral State functions #####
+ ===============================================================================
+ [..]
+ This subsection permit to get in run-time the status of the peripheral
+ and the data flow.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Return the PCD state
+ * @param hpcd: PCD handle
+ * @retval HAL state
+ */
+PCD_StateTypeDef HAL_PCD_GetState(PCD_HandleTypeDef *hpcd)
+{
+ return hpcd->State;
+}
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/** @addtogroup PCD_Private
+ * @{
+ */
+
+
+/**
+ * @brief Copy a buffer from user memory area to packet memory area (PMA)
+ * @param USBx: USB device
+ * @param pbUsrBuf: pointer to user memory area.
+ * @param wPMABufAddr: address into PMA.
+ * @param wNBytes: no. of bytes to be copied.
+ * @retval None
+ */
+void PCD_WritePMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
+{
+ uint32_t n = (wNBytes + 1) >> 1;
+ uint32_t i;
+ uint16_t temp1, temp2;
+ uint16_t *pdwVal;
+ pdwVal = (uint16_t *)(wPMABufAddr + (uint32_t)USBx + 0x400);
+
+ for (i = n; i != 0; i--)
+ {
+ temp1 = (uint16_t) * pbUsrBuf;
+ pbUsrBuf++;
+ temp2 = temp1 | (uint16_t) * pbUsrBuf << 8;
+ *pdwVal++ = temp2;
+ pbUsrBuf++;
+ }
+}
+
+/**
+ * @brief Copy a buffer from user memory area to packet memory area (PMA)
+ * @param USBx: USB device
+ * @param pbUsrBuf: pointer to user memory area.
+ * @param wPMABufAddr: address into PMA.
+ * @param wNBytes: no. of bytes to be copied.
+ * @retval None
+ */
+void PCD_ReadPMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
+{
+ uint32_t n = (wNBytes + 1) >> 1;
+ uint32_t i;
+ uint16_t *pdwVal;
+ pdwVal = (uint16_t *)(wPMABufAddr + (uint32_t)USBx + 0x400);
+ for (i = n; i != 0; i--)
+ {
+ *(uint16_t*)pbUsrBuf++ = *pdwVal++;
+ pbUsrBuf++;
+ }
+}
+/**
+ * @brief This function handles PCD Endpoint interrupt request.
+ * @param hpcd: PCD handle
+ * @retval HAL status
+ */
+static HAL_StatusTypeDef PCD_EP_ISR_Handler(PCD_HandleTypeDef *hpcd)
+{
+ PCD_EPTypeDef *ep;
+ uint16_t count=0;
+ uint8_t EPindex;
+ __IO uint16_t wIstr;
+ __IO uint16_t wEPVal = 0;
+
+ /* stay in loop while pending interrupts */
+ while (((wIstr = hpcd->Instance->ISTR) & USB_ISTR_CTR) != 0)
+ {
+ /* extract highest priority endpoint number */
+ EPindex = (uint8_t)(wIstr & USB_ISTR_EP_ID);
+
+ if (EPindex == 0)
+ {
+ /* Decode and service control endpoint interrupt */
+
+ /* DIR bit = origin of the interrupt */
+ if ((wIstr & USB_ISTR_DIR) == 0)
+ {
+ /* DIR = 0 */
+
+ /* DIR = 0 => IN int */
+ /* DIR = 0 implies that (EP_CTR_TX = 1) always */
+ PCD_CLEAR_TX_EP_CTR(hpcd->Instance, PCD_ENDP0);
+ ep = &hpcd->IN_ep[0];
+
+ ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num);
+ ep->xfer_buff += ep->xfer_count;
+
+ /* TX COMPLETE */
+ HAL_PCD_DataInStageCallback(hpcd, 0);
+
+
+ if((hpcd->USB_Address > 0)&& ( ep->xfer_len == 0))
+ {
+ hpcd->Instance->DADDR = (hpcd->USB_Address | USB_DADDR_EF);
+ hpcd->USB_Address = 0;
+ }
+
+ }
+ else
+ {
+ /* DIR = 1 */
+
+ /* DIR = 1 & CTR_RX => SETUP or OUT int */
+ /* DIR = 1 & (CTR_TX | CTR_RX) => 2 int pending */
+ ep = &hpcd->OUT_ep[0];
+ wEPVal = PCD_GET_ENDPOINT(hpcd->Instance, PCD_ENDP0);
+
+ if ((wEPVal & USB_EP_SETUP) != 0)
+ {
+ /* Get SETUP Packet*/
+ ep->xfer_count = PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num);
+ PCD_ReadPMA(hpcd->Instance, (uint8_t*)hpcd->Setup ,ep->pmaadress , ep->xfer_count);
+ /* SETUP bit kept frozen while CTR_RX = 1*/
+ PCD_CLEAR_RX_EP_CTR(hpcd->Instance, PCD_ENDP0);
+
+ /* Process SETUP Packet*/
+ HAL_PCD_SetupStageCallback(hpcd);
+ }
+
+ else if ((wEPVal & USB_EP_CTR_RX) != 0)
+ {
+ PCD_CLEAR_RX_EP_CTR(hpcd->Instance, PCD_ENDP0);
+ /* Get Control Data OUT Packet*/
+ ep->xfer_count = PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num);
+
+ if (ep->xfer_count != 0)
+ {
+ PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, ep->xfer_count);
+ ep->xfer_buff+=ep->xfer_count;
+ }
+
+ /* Process Control Data OUT Packet*/
+ HAL_PCD_DataOutStageCallback(hpcd, 0);
+
+ PCD_SET_EP_RX_CNT(hpcd->Instance, PCD_ENDP0, ep->maxpacket);
+ PCD_SET_EP_RX_STATUS(hpcd->Instance, PCD_ENDP0, USB_EP_RX_VALID);
+ }
+ }
+ }
+ else
+ {
+
+ /* Decode and service non control endpoints interrupt */
+
+ /* process related endpoint register */
+ wEPVal = PCD_GET_ENDPOINT(hpcd->Instance, EPindex);
+ if ((wEPVal & USB_EP_CTR_RX) != 0)
+ {
+ /* clear int flag */
+ PCD_CLEAR_RX_EP_CTR(hpcd->Instance, EPindex);
+ ep = &hpcd->OUT_ep[EPindex];
+
+ /* OUT double Buffering*/
+ if (ep->doublebuffer == 0)
+ {
+ count = PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num);
+ if (count != 0)
+ {
+ PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, count);
+ }
+ }
+ else
+ {
+ if (PCD_GET_ENDPOINT(hpcd->Instance, ep->num) & USB_EP_DTOG_RX)
+ {
+ /*read from endpoint BUF0Addr buffer*/
+ count = PCD_GET_EP_DBUF0_CNT(hpcd->Instance, ep->num);
+ if (count != 0)
+ {
+ PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr0, count);
+ }
+ }
+ else
+ {
+ /*read from endpoint BUF1Addr buffer*/
+ count = PCD_GET_EP_DBUF1_CNT(hpcd->Instance, ep->num);
+ if (count != 0)
+ {
+ PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr1, count);
+ }
+ }
+ PCD_FreeUserBuffer(hpcd->Instance, ep->num, PCD_EP_DBUF_OUT);
+ }
+ /*multi-packet on the NON control OUT endpoint*/
+ ep->xfer_count+=count;
+ ep->xfer_buff+=count;
+
+ if ((ep->xfer_len == 0) || (count < ep->maxpacket))
+ {
+ /* RX COMPLETE */
+ HAL_PCD_DataOutStageCallback(hpcd, ep->num);
+ }
+ else
+ {
+ HAL_PCD_EP_Receive(hpcd, ep->num, ep->xfer_buff, ep->xfer_len);
+ }
+
+ } /* if((wEPVal & EP_CTR_RX) */
+
+ if ((wEPVal & USB_EP_CTR_TX) != 0)
+ {
+ ep = &hpcd->IN_ep[EPindex];
+
+ /* clear int flag */
+ PCD_CLEAR_TX_EP_CTR(hpcd->Instance, EPindex);
+
+ /* IN double Buffering*/
+ if (ep->doublebuffer == 0)
+ {
+ ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num);
+ if (ep->xfer_count != 0)
+ {
+ PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, ep->xfer_count);
+ }
+ }
+ else
+ {
+ if (PCD_GET_ENDPOINT(hpcd->Instance, ep->num) & USB_EP_DTOG_TX)
+ {
+ /*read from endpoint BUF0Addr buffer*/
+ ep->xfer_count = PCD_GET_EP_DBUF0_CNT(hpcd->Instance, ep->num);
+ if (ep->xfer_count != 0)
+ {
+ PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr0, ep->xfer_count);
+ }
+ }
+ else
+ {
+ /*read from endpoint BUF1Addr buffer*/
+ ep->xfer_count = PCD_GET_EP_DBUF1_CNT(hpcd->Instance, ep->num);
+ if (ep->xfer_count != 0)
+ {
+ PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr1, ep->xfer_count);
+ }
+ }
+ PCD_FreeUserBuffer(hpcd->Instance, ep->num, PCD_EP_DBUF_IN);
+ }
+ /*multi-packet on the NON control IN endpoint*/
+ ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num);
+ ep->xfer_buff+=ep->xfer_count;
+
+ /* Zero Length Packet? */
+ if (ep->xfer_len == 0)
+ {
+ /* TX COMPLETE */
+ HAL_PCD_DataInStageCallback(hpcd, ep->num);
+ }
+ else
+ {
+ HAL_PCD_EP_Transmit(hpcd, ep->num, ep->xfer_buff, ep->xfer_len);
+ }
+ }
+ }
+ }
+ return HAL_OK;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+#endif /* HAL_PCD_MODULE_ENABLED */
+#endif /* #if !defined(STM32L011xx) && !defined(STM32L021xx) && !defined (STM32L031xx) && !defined (STM32L041xx) && !defined (STM32L051xx) && !defined (STM32L061xx) && !defined (STM32L071xx) && !defined (STM32L081xx) */
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+