diff options
Diffstat (limited to 'fw/midi-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_usb.c')
| -rw-r--r-- | fw/midi-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_usb.c | 878 |
1 files changed, 878 insertions, 0 deletions
diff --git a/fw/midi-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_usb.c b/fw/midi-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_usb.c new file mode 100644 index 0000000..071ebdc --- /dev/null +++ b/fw/midi-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_usb.c @@ -0,0 +1,878 @@ +/**
+ ******************************************************************************
+ * @file stm32f0xx_ll_usb.c
+ * @author MCD Application Team
+ * @brief USB Low Layer HAL module driver.
+ *
+ * This file provides firmware functions to manage the following
+ * functionalities of the USB Peripheral Controller:
+ * + Initialization/de-initialization functions
+ * + I/O operation functions
+ * + Peripheral Control functions
+ * + Peripheral State functions
+ *
+ @verbatim
+ ==============================================================================
+ ##### How to use this driver #####
+ ==============================================================================
+ [..]
+ (#) Fill parameters of Init structure in USB_OTG_CfgTypeDef structure.
+
+ (#) Call USB_CoreInit() API to initialize the USB Core peripheral.
+
+ (#) The upper HAL HCD/PCD driver will call the right routines for its internal processes.
+
+ @endverbatim
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© Copyright (c) 2016 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_hal.h"
+
+/** @addtogroup STM32F0xx_LL_USB_DRIVER
+ * @{
+ */
+
+#if defined (HAL_PCD_MODULE_ENABLED) || defined (HAL_HCD_MODULE_ENABLED)
+#if defined (USB)
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+
+/**
+ * @brief Initializes the USB Core
+ * @param USBx: USB Instance
+ * @param cfg : pointer to a USB_CfgTypeDef structure that contains
+ * the configuration information for the specified USBx peripheral.
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_CoreInit(USB_TypeDef *USBx, USB_CfgTypeDef cfg)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(USBx);
+ UNUSED(cfg);
+
+ /* NOTE : - This function is not required by USB Device FS peripheral, it is used
+ only by USB OTG FS peripheral.
+ - This function is added to ensure compatibility across platforms.
+ */
+
+ return HAL_OK;
+}
+
+/**
+ * @brief USB_EnableGlobalInt
+ * Enables the controller's Global Int in the AHB Config reg
+ * @param USBx : Selected device
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_EnableGlobalInt(USB_TypeDef *USBx)
+{
+ uint16_t winterruptmask;
+
+ /* Set winterruptmask variable */
+ winterruptmask = USB_CNTR_CTRM | USB_CNTR_WKUPM |
+ USB_CNTR_SUSPM | USB_CNTR_ERRM |
+ USB_CNTR_SOFM | USB_CNTR_ESOFM |
+ USB_CNTR_RESETM | USB_CNTR_L1REQM;
+
+ /* Set interrupt mask */
+ USBx->CNTR |= winterruptmask;
+
+ return HAL_OK;
+}
+
+/**
+ * @brief USB_DisableGlobalInt
+ * Disable the controller's Global Int in the AHB Config reg
+ * @param USBx : Selected device
+ * @retval HAL status
+*/
+HAL_StatusTypeDef USB_DisableGlobalInt(USB_TypeDef *USBx)
+{
+ uint16_t winterruptmask;
+
+ /* Set winterruptmask variable */
+ winterruptmask = USB_CNTR_CTRM | USB_CNTR_WKUPM |
+ USB_CNTR_SUSPM | USB_CNTR_ERRM |
+ USB_CNTR_SOFM | USB_CNTR_ESOFM |
+ USB_CNTR_RESETM | USB_CNTR_L1REQM;
+
+ /* Clear interrupt mask */
+ USBx->CNTR &= ~winterruptmask;
+
+ return HAL_OK;
+}
+
+/**
+ * @brief USB_SetCurrentMode : Set functional mode
+ * @param USBx : Selected device
+ * @param mode : current core mode
+ * This parameter can be one of the these values:
+ * @arg USB_DEVICE_MODE: Peripheral mode mode
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_SetCurrentMode(USB_TypeDef *USBx, USB_ModeTypeDef mode)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(USBx);
+ UNUSED(mode);
+
+ /* NOTE : - This function is not required by USB Device FS peripheral, it is used
+ only by USB OTG FS peripheral.
+ - This function is added to ensure compatibility across platforms.
+ */
+ return HAL_OK;
+}
+
+/**
+ * @brief USB_DevInit : Initializes the USB controller registers
+ * for device mode
+ * @param USBx : Selected device
+ * @param cfg : pointer to a USB_CfgTypeDef structure that contains
+ * the configuration information for the specified USBx peripheral.
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_DevInit(USB_TypeDef *USBx, USB_CfgTypeDef cfg)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(cfg);
+
+ /* Init Device */
+ /*CNTR_FRES = 1*/
+ USBx->CNTR = USB_CNTR_FRES;
+
+ /*CNTR_FRES = 0*/
+ USBx->CNTR = 0;
+
+ /*Clear pending interrupts*/
+ USBx->ISTR = 0;
+
+ /*Set Btable Address*/
+ USBx->BTABLE = BTABLE_ADDRESS;
+
+ /* Enable USB Device Interrupt mask */
+ (void)USB_EnableGlobalInt(USBx);
+
+ return HAL_OK;
+}
+
+/**
+ * @brief USB_SetDevSpeed :Initializes the device speed
+ * depending on the PHY type and the enumeration speed of the device.
+ * @param USBx Selected device
+ * @param speed device speed
+ * @retval Hal status
+ */
+HAL_StatusTypeDef USB_SetDevSpeed(USB_TypeDef *USBx, uint8_t speed)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(USBx);
+ UNUSED(speed);
+
+ /* NOTE : - This function is not required by USB Device FS peripheral, it is used
+ only by USB OTG FS peripheral.
+ - This function is added to ensure compatibility across platforms.
+ */
+
+ return HAL_OK;
+}
+
+/**
+ * @brief USB_FlushTxFifo : Flush a Tx FIFO
+ * @param USBx : Selected device
+ * @param num : FIFO number
+ * This parameter can be a value from 1 to 15
+ 15 means Flush all Tx FIFOs
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_FlushTxFifo(USB_TypeDef *USBx, uint32_t num)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(USBx);
+ UNUSED(num);
+
+ /* NOTE : - This function is not required by USB Device FS peripheral, it is used
+ only by USB OTG FS peripheral.
+ - This function is added to ensure compatibility across platforms.
+ */
+
+ return HAL_OK;
+}
+
+/**
+ * @brief USB_FlushRxFifo : Flush Rx FIFO
+ * @param USBx : Selected device
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_FlushRxFifo(USB_TypeDef *USBx)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(USBx);
+
+ /* NOTE : - This function is not required by USB Device FS peripheral, it is used
+ only by USB OTG FS peripheral.
+ - This function is added to ensure compatibility across platforms.
+ */
+
+ return HAL_OK;
+}
+
+/**
+ * @brief Activate and configure an endpoint
+ * @param USBx : Selected device
+ * @param ep: pointer to endpoint structure
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_ActivateEndpoint(USB_TypeDef *USBx, USB_EPTypeDef *ep)
+{
+ HAL_StatusTypeDef ret = HAL_OK;
+ uint16_t wEpRegVal;
+
+ wEpRegVal = PCD_GET_ENDPOINT(USBx, ep->num) & USB_EP_T_MASK;
+
+ /* initialize Endpoint */
+ switch (ep->type)
+ {
+ case EP_TYPE_CTRL:
+ wEpRegVal |= USB_EP_CONTROL;
+ break;
+
+ case EP_TYPE_BULK:
+ wEpRegVal |= USB_EP_BULK;
+ break;
+
+ case EP_TYPE_INTR:
+ wEpRegVal |= USB_EP_INTERRUPT;
+ break;
+
+ case EP_TYPE_ISOC:
+ wEpRegVal |= USB_EP_ISOCHRONOUS;
+ break;
+
+ default:
+ ret = HAL_ERROR;
+ break;
+ }
+
+ PCD_SET_ENDPOINT(USBx, ep->num, wEpRegVal | USB_EP_CTR_RX | USB_EP_CTR_TX);
+
+ PCD_SET_EP_ADDRESS(USBx, ep->num, ep->num);
+
+ if (ep->doublebuffer == 0U)
+ {
+ if (ep->is_in != 0U)
+ {
+ /*Set the endpoint Transmit buffer address */
+ PCD_SET_EP_TX_ADDRESS(USBx, ep->num, ep->pmaadress);
+ PCD_CLEAR_TX_DTOG(USBx, ep->num);
+
+ if (ep->type != EP_TYPE_ISOC)
+ {
+ /* Configure NAK status for the Endpoint */
+ PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_NAK);
+ }
+ else
+ {
+ /* Configure TX Endpoint to disabled state */
+ PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_DIS);
+ }
+ }
+ else
+ {
+ /*Set the endpoint Receive buffer address */
+ PCD_SET_EP_RX_ADDRESS(USBx, ep->num, ep->pmaadress);
+ /*Set the endpoint Receive buffer counter*/
+ PCD_SET_EP_RX_CNT(USBx, ep->num, ep->maxpacket);
+ PCD_CLEAR_RX_DTOG(USBx, ep->num);
+ /* Configure VALID status for the Endpoint*/
+ PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_VALID);
+ }
+ }
+ /*Double Buffer*/
+ else
+ {
+ /* Set the endpoint as double buffered */
+ PCD_SET_EP_DBUF(USBx, ep->num);
+ /* Set buffer address for double buffered mode */
+ PCD_SET_EP_DBUF_ADDR(USBx, ep->num, ep->pmaaddr0, ep->pmaaddr1);
+
+ if (ep->is_in == 0U)
+ {
+ /* Clear the data toggle bits for the endpoint IN/OUT */
+ PCD_CLEAR_RX_DTOG(USBx, ep->num);
+ PCD_CLEAR_TX_DTOG(USBx, ep->num);
+
+ /* Reset value of the data toggle bits for the endpoint out */
+ PCD_TX_DTOG(USBx, ep->num);
+
+ PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_VALID);
+ PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_DIS);
+ }
+ else
+ {
+ /* Clear the data toggle bits for the endpoint IN/OUT */
+ PCD_CLEAR_RX_DTOG(USBx, ep->num);
+ PCD_CLEAR_TX_DTOG(USBx, ep->num);
+ PCD_RX_DTOG(USBx, ep->num);
+
+ if (ep->type != EP_TYPE_ISOC)
+ {
+ /* Configure NAK status for the Endpoint */
+ PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_NAK);
+ }
+ else
+ {
+ /* Configure TX Endpoint to disabled state */
+ PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_DIS);
+ }
+
+ PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_DIS);
+ }
+ }
+
+ return ret;
+}
+
+/**
+ * @brief De-activate and de-initialize an endpoint
+ * @param USBx : Selected device
+ * @param ep: pointer to endpoint structure
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_DeactivateEndpoint(USB_TypeDef *USBx, USB_EPTypeDef *ep)
+{
+ if (ep->doublebuffer == 0U)
+ {
+ if (ep->is_in != 0U)
+ {
+ PCD_CLEAR_TX_DTOG(USBx, ep->num);
+ /* Configure DISABLE status for the Endpoint*/
+ PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_DIS);
+ }
+ else
+ {
+ PCD_CLEAR_RX_DTOG(USBx, ep->num);
+ /* Configure DISABLE status for the Endpoint*/
+ PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_DIS);
+ }
+ }
+ /*Double Buffer*/
+ else
+ {
+ if (ep->is_in == 0U)
+ {
+ /* Clear the data toggle bits for the endpoint IN/OUT*/
+ PCD_CLEAR_RX_DTOG(USBx, ep->num);
+ PCD_CLEAR_TX_DTOG(USBx, ep->num);
+
+ /* Reset value of the data toggle bits for the endpoint out*/
+ PCD_TX_DTOG(USBx, ep->num);
+
+ PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_DIS);
+ PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_DIS);
+ }
+ else
+ {
+ /* Clear the data toggle bits for the endpoint IN/OUT*/
+ PCD_CLEAR_RX_DTOG(USBx, ep->num);
+ PCD_CLEAR_TX_DTOG(USBx, ep->num);
+ PCD_RX_DTOG(USBx, ep->num);
+ /* Configure DISABLE status for the Endpoint*/
+ PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_DIS);
+ PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_DIS);
+ }
+ }
+
+ return HAL_OK;
+}
+
+/**
+ * @brief USB_EPStartXfer : setup and starts a transfer over an EP
+ * @param USBx : Selected device
+ * @param ep: pointer to endpoint structure
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_EPStartXfer(USB_TypeDef *USBx, USB_EPTypeDef *ep)
+{
+ uint16_t pmabuffer;
+ uint32_t len;
+
+ /* IN endpoint */
+ if (ep->is_in == 1U)
+ {
+ /*Multi packet transfer*/
+ if (ep->xfer_len > ep->maxpacket)
+ {
+ len = ep->maxpacket;
+ ep->xfer_len -= len;
+ }
+ else
+ {
+ len = ep->xfer_len;
+ ep->xfer_len = 0U;
+ }
+
+ /* configure and validate Tx endpoint */
+ if (ep->doublebuffer == 0U)
+ {
+ USB_WritePMA(USBx, ep->xfer_buff, ep->pmaadress, (uint16_t)len);
+ PCD_SET_EP_TX_CNT(USBx, ep->num, len);
+ }
+ else
+ {
+ /* Write the data to the USB endpoint */
+ if ((PCD_GET_ENDPOINT(USBx, ep->num) & USB_EP_DTOG_TX) != 0U)
+ {
+ /* Set the Double buffer counter for pmabuffer1 */
+ PCD_SET_EP_DBUF1_CNT(USBx, ep->num, ep->is_in, len);
+ pmabuffer = ep->pmaaddr1;
+ }
+ else
+ {
+ /* Set the Double buffer counter for pmabuffer0 */
+ PCD_SET_EP_DBUF0_CNT(USBx, ep->num, ep->is_in, len);
+ pmabuffer = ep->pmaaddr0;
+ }
+ USB_WritePMA(USBx, ep->xfer_buff, pmabuffer, (uint16_t)len);
+ PCD_FreeUserBuffer(USBx, ep->num, ep->is_in);
+ }
+
+ PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_VALID);
+ }
+ else /* OUT endpoint */
+ {
+ /* Multi packet transfer*/
+ if (ep->xfer_len > ep->maxpacket)
+ {
+ len = ep->maxpacket;
+ ep->xfer_len -= len;
+ }
+ else
+ {
+ len = ep->xfer_len;
+ ep->xfer_len = 0U;
+ }
+
+ /* configure and validate Rx endpoint */
+ if (ep->doublebuffer == 0U)
+ {
+ /*Set RX buffer count*/
+ PCD_SET_EP_RX_CNT(USBx, ep->num, len);
+ }
+ else
+ {
+ /*Set the Double buffer counter*/
+ PCD_SET_EP_DBUF_CNT(USBx, ep->num, ep->is_in, len);
+ }
+
+ PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_VALID);
+ }
+
+ return HAL_OK;
+}
+
+/**
+ * @brief USB_WritePacket : Writes a packet into the Tx FIFO associated
+ * with the EP/channel
+ * @param USBx : Selected device
+ * @param src : pointer to source buffer
+ * @param ch_ep_num : endpoint or host channel number
+ * @param len : Number of bytes to write
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_WritePacket(USB_TypeDef *USBx, uint8_t *src, uint8_t ch_ep_num, uint16_t len)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(USBx);
+ UNUSED(src);
+ UNUSED(ch_ep_num);
+ UNUSED(len);
+ /* NOTE : - This function is not required by USB Device FS peripheral, it is used
+ only by USB OTG FS peripheral.
+ - This function is added to ensure compatibility across platforms.
+ */
+ return HAL_OK;
+}
+
+/**
+ * @brief USB_ReadPacket : read a packet from the Tx FIFO associated
+ * with the EP/channel
+ * @param USBx : Selected device
+ * @param dest : destination pointer
+ * @param len : Number of bytes to read
+ * @retval pointer to destination buffer
+ */
+void *USB_ReadPacket(USB_TypeDef *USBx, uint8_t *dest, uint16_t len)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(USBx);
+ UNUSED(dest);
+ UNUSED(len);
+ /* NOTE : - This function is not required by USB Device FS peripheral, it is used
+ only by USB OTG FS peripheral.
+ - This function is added to ensure compatibility across platforms.
+ */
+ return ((void *)NULL);
+}
+
+/**
+ * @brief USB_EPSetStall : set a stall condition over an EP
+ * @param USBx : Selected device
+ * @param ep: pointer to endpoint structure
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_EPSetStall(USB_TypeDef *USBx, USB_EPTypeDef *ep)
+{
+ if (ep->is_in != 0U)
+ {
+ PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_STALL);
+ }
+ else
+ {
+ PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_STALL);
+ }
+
+ return HAL_OK;
+}
+
+/**
+ * @brief USB_EPClearStall : Clear a stall condition over an EP
+ * @param USBx : Selected device
+ * @param ep: pointer to endpoint structure
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_EPClearStall(USB_TypeDef *USBx, USB_EPTypeDef *ep)
+{
+ if (ep->doublebuffer == 0U)
+ {
+ if (ep->is_in != 0U)
+ {
+ PCD_CLEAR_TX_DTOG(USBx, ep->num);
+
+ if (ep->type != EP_TYPE_ISOC)
+ {
+ /* Configure NAK status for the Endpoint */
+ PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_NAK);
+ }
+ }
+ else
+ {
+ PCD_CLEAR_RX_DTOG(USBx, ep->num);
+
+ /* Configure VALID status for the Endpoint*/
+ PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_VALID);
+ }
+ }
+
+ return HAL_OK;
+}
+
+/**
+ * @brief USB_StopDevice : Stop the usb device mode
+ * @param USBx : Selected device
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_StopDevice(USB_TypeDef *USBx)
+{
+ /* disable all interrupts and force USB reset */
+ USBx->CNTR = USB_CNTR_FRES;
+
+ /* clear interrupt status register */
+ USBx->ISTR = 0;
+
+ /* switch-off device */
+ USBx->CNTR = (USB_CNTR_FRES | USB_CNTR_PDWN);
+
+ return HAL_OK;
+}
+
+/**
+ * @brief USB_SetDevAddress : Stop the usb device mode
+ * @param USBx : Selected device
+ * @param address : new device address to be assigned
+ * This parameter can be a value from 0 to 255
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_SetDevAddress(USB_TypeDef *USBx, uint8_t address)
+{
+ if (address == 0U)
+ {
+ /* set device address and enable function */
+ USBx->DADDR = USB_DADDR_EF;
+ }
+
+ return HAL_OK;
+}
+
+/**
+ * @brief USB_DevConnect : Connect the USB device by enabling the pull-up/pull-down
+ * @param USBx : Selected device
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_DevConnect(USB_TypeDef *USBx)
+{
+ /* Enabling DP Pull-UP bit to Connect internal PU resistor on USB DP line */
+ USBx->BCDR |= USB_BCDR_DPPU;
+
+ return HAL_OK;
+}
+
+/**
+ * @brief USB_DevDisconnect : Disconnect the USB device by disabling the pull-up/pull-down
+ * @param USBx : Selected device
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_DevDisconnect(USB_TypeDef *USBx)
+{
+ /* Disable DP Pull-Up bit to disconnect the Internal PU resistor on USB DP line */
+ USBx->BCDR &= (uint16_t)(~(USB_BCDR_DPPU));
+
+ return HAL_OK;
+}
+
+/**
+ * @brief USB_ReadInterrupts: return the global USB interrupt status
+ * @param USBx : Selected device
+ * @retval HAL status
+ */
+uint32_t USB_ReadInterrupts(USB_TypeDef *USBx)
+{
+ uint32_t tmpreg;
+
+ tmpreg = USBx->ISTR;
+ return tmpreg;
+}
+
+/**
+ * @brief USB_ReadDevAllOutEpInterrupt: return the USB device OUT endpoints interrupt status
+ * @param USBx : Selected device
+ * @retval HAL status
+ */
+uint32_t USB_ReadDevAllOutEpInterrupt(USB_TypeDef *USBx)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(USBx);
+ /* NOTE : - This function is not required by USB Device FS peripheral, it is used
+ only by USB OTG FS peripheral.
+ - This function is added to ensure compatibility across platforms.
+ */
+ return (0);
+}
+
+/**
+ * @brief USB_ReadDevAllInEpInterrupt: return the USB device IN endpoints interrupt status
+ * @param USBx : Selected device
+ * @retval HAL status
+ */
+uint32_t USB_ReadDevAllInEpInterrupt(USB_TypeDef *USBx)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(USBx);
+ /* NOTE : - This function is not required by USB Device FS peripheral, it is used
+ only by USB OTG FS peripheral.
+ - This function is added to ensure compatibility across platforms.
+ */
+ return (0);
+}
+
+/**
+ * @brief Returns Device OUT EP Interrupt register
+ * @param USBx : Selected device
+ * @param epnum : endpoint number
+ * This parameter can be a value from 0 to 15
+ * @retval Device OUT EP Interrupt register
+ */
+uint32_t USB_ReadDevOutEPInterrupt(USB_TypeDef *USBx, uint8_t epnum)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(USBx);
+ UNUSED(epnum);
+ /* NOTE : - This function is not required by USB Device FS peripheral, it is used
+ only by USB OTG FS peripheral.
+ - This function is added to ensure compatibility across platforms.
+ */
+ return (0);
+}
+
+/**
+ * @brief Returns Device IN EP Interrupt register
+ * @param USBx : Selected device
+ * @param epnum : endpoint number
+ * This parameter can be a value from 0 to 15
+ * @retval Device IN EP Interrupt register
+ */
+uint32_t USB_ReadDevInEPInterrupt(USB_TypeDef *USBx, uint8_t epnum)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(USBx);
+ UNUSED(epnum);
+ /* NOTE : - This function is not required by USB Device FS peripheral, it is used
+ only by USB OTG FS peripheral.
+ - This function is added to ensure compatibility across platforms.
+ */
+ return (0);
+}
+
+/**
+ * @brief USB_ClearInterrupts: clear a USB interrupt
+ * @param USBx Selected device
+ * @param interrupt interrupt flag
+ * @retval None
+ */
+void USB_ClearInterrupts(USB_TypeDef *USBx, uint32_t interrupt)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(USBx);
+ UNUSED(interrupt);
+ /* NOTE : - This function is not required by USB Device FS peripheral, it is used
+ only by USB OTG FS peripheral.
+ - This function is added to ensure compatibility across platforms.
+ */
+}
+
+/**
+ * @brief Prepare the EP0 to start the first control setup
+ * @param USBx Selected device
+ * @param psetup pointer to setup packet
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_EP0_OutStart(USB_TypeDef *USBx, uint8_t *psetup)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(USBx);
+ UNUSED(psetup);
+ /* NOTE : - This function is not required by USB Device FS peripheral, it is used
+ only by USB OTG FS peripheral.
+ - This function is added to ensure compatibility across platforms.
+ */
+ return HAL_OK;
+}
+
+/**
+ * @brief USB_ActivateRemoteWakeup : active remote wakeup signalling
+ * @param USBx Selected device
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_ActivateRemoteWakeup(USB_TypeDef *USBx)
+{
+ USBx->CNTR |= USB_CNTR_RESUME;
+
+ return HAL_OK;
+}
+
+/**
+ * @brief USB_DeActivateRemoteWakeup : de-active remote wakeup signalling
+ * @param USBx Selected device
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_DeActivateRemoteWakeup(USB_TypeDef *USBx)
+{
+ USBx->CNTR &= ~(USB_CNTR_RESUME);
+ return HAL_OK;
+}
+
+/**
+ * @brief Copy a buffer from user memory area to packet memory area (PMA)
+ * @param USBx USB peripheral instance register address.
+ * @param pbUsrBuf pointer to user memory area.
+ * @param wPMABufAddr address into PMA.
+ * @param wNBytes: no. of bytes to be copied.
+ * @retval None
+ */
+void USB_WritePMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
+{
+ uint32_t n = ((uint32_t)wNBytes + 1U) >> 1;
+ uint32_t BaseAddr = (uint32_t)USBx;
+ uint32_t i, temp1, temp2;
+ __IO uint16_t *pdwVal;
+ uint8_t *pBuf = pbUsrBuf;
+
+ pdwVal = (__IO uint16_t *)(BaseAddr + 0x400U + ((uint32_t)wPMABufAddr * PMA_ACCESS));
+
+ for (i = n; i != 0U; i--)
+ {
+ temp1 = *pBuf;
+ pBuf++;
+ temp2 = temp1 | ((uint16_t)((uint16_t) *pBuf << 8));
+ *pdwVal = (uint16_t)temp2;
+ pdwVal++;
+
+#if PMA_ACCESS > 1U
+ pdwVal++;
+#endif
+
+ pBuf++;
+ }
+}
+
+/**
+ * @brief Copy a buffer from user memory area to packet memory area (PMA)
+ * @param USBx: USB peripheral instance register address.
+ * @param pbUsrBuf pointer to user memory area.
+ * @param wPMABufAddr address into PMA.
+ * @param wNBytes: no. of bytes to be copied.
+ * @retval None
+ */
+void USB_ReadPMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
+{
+ uint32_t n = (uint32_t)wNBytes >> 1;
+ uint32_t BaseAddr = (uint32_t)USBx;
+ uint32_t i, temp;
+ __IO uint16_t *pdwVal;
+ uint8_t *pBuf = pbUsrBuf;
+
+ pdwVal = (__IO uint16_t *)(BaseAddr + 0x400U + ((uint32_t)wPMABufAddr * PMA_ACCESS));
+
+ for (i = n; i != 0U; i--)
+ {
+ temp = *(__IO uint16_t *)pdwVal;
+ pdwVal++;
+ *pBuf = (uint8_t)((temp >> 0) & 0xFFU);
+ pBuf++;
+ *pBuf = (uint8_t)((temp >> 8) & 0xFFU);
+ pBuf++;
+
+#if PMA_ACCESS > 1U
+ pdwVal++;
+#endif
+ }
+
+ if ((wNBytes % 2U) != 0U)
+ {
+ temp = *pdwVal;
+ *pBuf = (uint8_t)((temp >> 0) & 0xFFU);
+ }
+}
+
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+#endif /* defined (USB) */
+#endif /* defined (HAL_PCD_MODULE_ENABLED) || defined (HAL_HCD_MODULE_ENABLED) */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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