--- /dev/null
+/**
+ ******************************************************************************
+ * @file stm32l1xx_hal_pcd.c
+ * @author MCD Application Team
+ * @version V1.0.0
+ * @date 5-September-2014
+ * @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
+ (+++) __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) 2014 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 "stm32l1xx_hal.h"
+
+/** @addtogroup STM32L1xx_HAL_Driver
+ * @{
+ */
+
+/** @defgroup PCD PCD
+ * @brief PCD HAL module driver
+ * @{
+ */
+
+#ifdef HAL_PCD_MODULE_ENABLED
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/** @defgroup PCD_Private_Constants PCD Private Constants
+ * @{
+ */
+#define BTABLE_ADDRESS (0x000)
+/**
+ * @}
+ */
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/** @defgroup PCD_Private_Functions PCD Private Functions
+ * @{
+ */
+static HAL_StatusTypeDef PCD_EP_ISR_Handler(PCD_HandleTypeDef *hpcd);
+static void PCD_WritePMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes);
+static void PCD_ReadPMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes);
+
+/**
+ * @}
+ */
+
+
+/** @defgroup PCD_Exported_Functions PCD Exported Functions
+ * @{
+ */
+
+/** @defgroup PCD_Exported_Functions_Group1 Initialization and de-initialization functions
+ * @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 == HAL_NULL)
+ {
+ return HAL_ERROR;
+ }
+
+ /* Check the parameters */
+ assert_param(IS_PCD_ALL_INSTANCE(hpcd->Instance));
+
+ hpcd->State = PCD_BUSY;
+
+ /* Init the low level hardware : GPIO, CLOCK, NVIC... */
+ HAL_PCD_MspInit(hpcd);
+
+ /* 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= PCD_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 == HAL_NULL)
+ {
+ return HAL_ERROR;
+ }
+
+ hpcd->State = PCD_BUSY;
+
+ /* Stop Device */
+ HAL_PCD_Stop(hpcd);
+
+ /* DeInit the low level hardware */
+ HAL_PCD_MspDeInit(hpcd);
+
+ hpcd->State = PCD_READY;
+
+ return HAL_OK;
+}
+
+/**
+ * @brief Initializes the PCD MSP.
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+__weak void HAL_PCD_MspInit(PCD_HandleTypeDef *hpcd)
+{
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_MspInit could be implenetd in the user file
+ */
+}
+
+/**
+ * @brief DeInitializes PCD MSP.
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+__weak void HAL_PCD_MspDeInit(PCD_HandleTypeDef *hpcd)
+{
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_MspDeInit could be implenetd in the user file
+ */
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup PCD_Exported_Functions_Group2 IO operation functions
+ * @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)
+{
+ HAL_PCDEx_SetConnectionState (hpcd, 1);
+ 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_PMAOVRM))
+ {
+ __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_PMAOVRM);
+ }
+ 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 &= ~(USB_CNTR_LP_MODE);
+
+ /*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_LP_MODE;
+ 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)
+{
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_DataOutStageCallback could be implenetd 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)
+{
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_DataInStageCallback could be implenetd in the user file
+ */
+}
+/**
+ * @brief Setup stage callback
+ * @param hpcd: ppp handle
+ * @retval None
+ */
+ __weak void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd)
+{
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_SetupStageCallback could be implenetd in the user file
+ */
+}
+
+/**
+ * @brief USB Start Of Frame callbacks
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+ __weak void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd)
+{
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_SOFCallback could be implenetd in the user file
+ */
+}
+
+/**
+ * @brief USB Reset callbacks
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+ __weak void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd)
+{
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_ResetCallback could be implenetd in the user file
+ */
+}
+
+
+/**
+ * @brief Suspend event callbacks
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+ __weak void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd)
+{
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_SuspendCallback could be implenetd in the user file
+ */
+}
+
+/**
+ * @brief Resume event callbacks
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+ __weak void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)
+{
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_ResumeCallback could be implenetd 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)
+{
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_ISOOUTIncompleteCallback could be implenetd 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)
+{
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_ISOINIncompleteCallback could be implenetd in the user file
+ */
+}
+
+/**
+ * @brief Connection event callbacks
+ * @param hpcd: PCD handle
+ * @retval None
+ */
+ __weak void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd)
+{
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_ConnectCallback could be implenetd in the user file
+ */
+}
+
+/**
+ * @brief Disconnection event callbacks
+ * @param hpcd: ppp handle
+ * @retval None
+ */
+ __weak void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
+{
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCD_DisconnectCallback could be implenetd in the user file
+ */
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup PCD_Exported_Functions_Group3 Peripheral Control functions
+ * @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 */
+ HAL_PCDEx_SetConnectionState (hpcd, 1);
+
+ __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*/
+ HAL_PCDEx_SetConnectionState (hpcd, 0);
+
+ __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;
+ default:
+ 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_DBUF1_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_DBUF1_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_ActiveRemoteWakeup : active remote wakeup signalling
+ * @param hpcd: PCD handle
+ * @retval status
+ */
+HAL_StatusTypeDef HAL_PCD_ActiveRemoteWakeup(PCD_HandleTypeDef *hpcd)
+{
+ hpcd->Instance->CNTR |= USB_CNTR_RESUME;
+ return HAL_OK;
+}
+
+/**
+ * @brief HAL_PCD_DeActiveRemoteWakeup : de-active remote wakeup signalling
+ * @param hpcd: PCD handle
+ * @retval status
+ */
+HAL_StatusTypeDef HAL_PCD_DeActiveRemoteWakeup(PCD_HandleTypeDef *hpcd)
+{
+ hpcd->Instance->CNTR &= ~(USB_CNTR_RESUME);
+ return HAL_OK;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup PCD_Exported_Functions_Group4 Peripheral State functions
+ * @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;
+}
+
+
+/**
+ * @brief Software Device Connection
+ * @param hpcd: PCD handle
+ * @param state: Device state
+ * @retval None
+ */
+ __weak void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state)
+{
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_PCDEx_SetConnectionState could be implenetd in the user file
+ */
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/** @addtogroup PCD_Private_Functions
+ * @{
+ */
+
+
+/**
+ * @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;
+}
+
+/**
+ * @brief Copy a buffer from user memory area to packet memory area (PMA)
+ * @param USBx = pointer to USB register.
+ * @param pbUsrBuf: pointer to user memory area.
+ * @param wPMABufAddr: address into PMA.
+ * @param wNBytes: no. of bytes to be copied.
+ * @retval None
+ */
+static void PCD_WritePMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
+{
+ uint32_t n = (wNBytes + 1) >> 1; /* n = (wNBytes + 1) / 2 */
+ uint32_t i, temp1, temp2;
+ uint16_t *pdwVal;
+ pdwVal = (uint16_t *)(wPMABufAddr * 2 + (uint32_t)USBx + 0x400);
+ for (i = n; i != 0; i--)
+ {
+ temp1 = (uint16_t) * pbUsrBuf;
+ pbUsrBuf++;
+ temp2 = temp1 | (uint16_t) * pbUsrBuf << 8;
+ *pdwVal++ = temp2;
+ pdwVal++;
+ pbUsrBuf++;
+ }
+}
+
+/**
+ * @brief Copy a buffer from user memory area to packet memory area (PMA)
+ * @param USBx = pointer to USB register.
+ * @param pbUsrBuf = pointer to user memory area.
+ * @param wPMABufAddr: address into PMA.
+ * @param wNBytes: no. of bytes to be copied.
+ * @retval None
+ */
+static void PCD_ReadPMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
+{
+ uint32_t n = (wNBytes + 1) >> 1;/* /2*/
+ uint32_t i;
+ uint32_t *pdwVal;
+ pdwVal = (uint32_t *)(wPMABufAddr * 2 + (uint32_t)USBx + 0x400);
+ for (i = n; i != 0; i--)
+ {
+ *(uint16_t*)pbUsrBuf++ = *pdwVal++;
+ pbUsrBuf++;
+ }
+}
+
+/**
+ * @}
+ */
+
+#endif /* HAL_PCD_MODULE_ENABLED */
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/