diff options
Diffstat (limited to 'stm/stmusbh/usbh_core.c')
| -rw-r--r-- | stm/stmusbh/usbh_core.c | 857 |
1 files changed, 0 insertions, 857 deletions
diff --git a/stm/stmusbh/usbh_core.c b/stm/stmusbh/usbh_core.c deleted file mode 100644 index a90851ccb..000000000 --- a/stm/stmusbh/usbh_core.c +++ /dev/null @@ -1,857 +0,0 @@ -/**
- ******************************************************************************
- * @file usbh_core.c
- * @author MCD Application Team
- * @version V2.1.0
- * @date 19-March-2012
- * @brief This file implements the functions for the core state machine process
- * the enumeration and the control transfer process
- ******************************************************************************
- * @attention
- *
- * <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2>
- *
- * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
- * You may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.st.com/software_license_agreement_liberty_v2
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- ******************************************************************************
- */
-/* Includes ------------------------------------------------------------------*/
-
-#include "usbh_ioreq.h"
-#include "usb_bsp.h"
-#include "usbh_hcs.h"
-#include "usbh_stdreq.h"
-#include "usbh_core.h"
-#include "usb_hcd_int.h"
-
-
-/** @addtogroup USBH_LIB
- * @{
- */
-
-/** @addtogroup USBH_LIB_CORE
-* @{
-*/
-
-/** @defgroup USBH_CORE
- * @brief TThis file handles the basic enumaration when a device is connected
- * to the host.
- * @{
- */
-
-/** @defgroup USBH_CORE_Private_TypesDefinitions
- * @{
- */
-uint8_t USBH_Disconnected (USB_OTG_CORE_HANDLE *pdev);
-uint8_t USBH_Connected (USB_OTG_CORE_HANDLE *pdev);
-uint8_t USBH_SOF (USB_OTG_CORE_HANDLE *pdev);
-
-USBH_HCD_INT_cb_TypeDef USBH_HCD_INT_cb =
-{
- USBH_SOF,
- USBH_Connected,
- USBH_Disconnected,
-};
-
-USBH_HCD_INT_cb_TypeDef *USBH_HCD_INT_fops = &USBH_HCD_INT_cb;
-/**
- * @}
- */
-
-
-/** @defgroup USBH_CORE_Private_Defines
- * @{
- */
-/**
- * @}
- */
-
-
-/** @defgroup USBH_CORE_Private_Macros
- * @{
- */
-/**
- * @}
- */
-
-
-/** @defgroup USBH_CORE_Private_Variables
- * @{
- */
-/**
- * @}
- */
-
-
-/** @defgroup USBH_CORE_Private_FunctionPrototypes
- * @{
- */
-static USBH_Status USBH_HandleEnum(USB_OTG_CORE_HANDLE *pdev, USBH_HOST *phost);
-USBH_Status USBH_HandleControl (USB_OTG_CORE_HANDLE *pdev, USBH_HOST *phost);
-
-/**
- * @}
- */
-
-
-/** @defgroup USBH_CORE_Private_Functions
- * @{
- */
-
-
-/**
- * @brief USBH_Connected
- * USB Connect callback function from the Interrupt.
- * @param selected device
- * @retval Status
-*/
-uint8_t USBH_Connected (USB_OTG_CORE_HANDLE *pdev)
-{
- pdev->host.ConnSts = 1;
- return 0;
-}
-
-/**
-* @brief USBH_Disconnected
-* USB Disconnect callback function from the Interrupt.
-* @param selected device
-* @retval Status
-*/
-
-uint8_t USBH_Disconnected (USB_OTG_CORE_HANDLE *pdev)
-{
- pdev->host.ConnSts = 0;
- return 0;
-}
-
-/**
- * @brief USBH_SOF
- * USB SOF callback function from the Interrupt.
- * @param selected device
- * @retval Status
- */
-
-uint8_t USBH_SOF (USB_OTG_CORE_HANDLE *pdev)
-{
- /* This callback could be used to implement a scheduler process */
- return 0;
-}
-/**
- * @brief USBH_Init
- * Host hardware and stack initializations
- * @param class_cb: Class callback structure address
- * @param usr_cb: User callback structure address
- * @retval None
- */
-void USBH_Init(USB_OTG_CORE_HANDLE *pdev,
- USB_OTG_CORE_ID_TypeDef coreID,
- USBH_HOST *phost,
- USBH_Class_cb_TypeDef *class_cb,
- USBH_Usr_cb_TypeDef *usr_cb)
-{
-
- /* Hardware Init */
- USB_OTG_BSP_Init(pdev);
-
- /* configure GPIO pin used for switching VBUS power */
- USB_OTG_BSP_ConfigVBUS(0);
-
-
- /* Host de-initializations */
- USBH_DeInit(pdev, phost);
-
- /*Register class and user callbacks */
- phost->class_cb = class_cb;
- phost->usr_cb = usr_cb;
-
- /* Start the USB OTG core */
- HCD_Init(pdev , coreID);
-
- /* Upon Init call usr call back */
- phost->usr_cb->Init();
-
- /* Enable Interrupts */
- USB_OTG_BSP_EnableInterrupt(pdev);
-}
-
-/**
- * @brief USBH_DeInit
- * Re-Initialize Host
- * @param None
- * @retval status: USBH_Status
- */
-USBH_Status USBH_DeInit(USB_OTG_CORE_HANDLE *pdev, USBH_HOST *phost)
-{
- /* Software Init */
-
- phost->gState = HOST_IDLE;
- phost->gStateBkp = HOST_IDLE;
- phost->EnumState = ENUM_IDLE;
- phost->RequestState = CMD_SEND;
-
- phost->Control.state = CTRL_SETUP;
- phost->Control.ep0size = USB_OTG_MAX_EP0_SIZE;
-
- phost->device_prop.address = USBH_DEVICE_ADDRESS_DEFAULT;
- phost->device_prop.speed = HPRT0_PRTSPD_FULL_SPEED;
-
- USBH_Free_Channel (pdev, phost->Control.hc_num_in);
- USBH_Free_Channel (pdev, phost->Control.hc_num_out);
- return USBH_OK;
-}
-
-/**
-* @brief USBH_Process
-* USB Host core main state machine process
-* @param None
-* @retval None
-*/
-void USBH_Process(USB_OTG_CORE_HANDLE *pdev , USBH_HOST *phost)
-{
- volatile USBH_Status status = USBH_FAIL;
-
-
- /* check for Host port events */
- if ((HCD_IsDeviceConnected(pdev) == 0)&& (phost->gState != HOST_IDLE))
- {
- if(phost->gState != HOST_DEV_DISCONNECTED)
- {
- phost->gState = HOST_DEV_DISCONNECTED;
- }
- }
-
- switch (phost->gState)
- {
-
- case HOST_IDLE :
-
- if (HCD_IsDeviceConnected(pdev))
- {
- phost->gState = HOST_DEV_ATTACHED;
- USB_OTG_BSP_mDelay(100);
- }
- break;
-
- case HOST_DEV_ATTACHED :
-
- phost->usr_cb->DeviceAttached();
- phost->Control.hc_num_out = USBH_Alloc_Channel(pdev, 0x00);
- phost->Control.hc_num_in = USBH_Alloc_Channel(pdev, 0x80);
-
- /* Reset USB Device */
- if ( HCD_ResetPort(pdev) == 0)
- {
- phost->usr_cb->ResetDevice();
- /* Wait for USB USBH_ISR_PrtEnDisableChange()
- Host is Now ready to start the Enumeration
- */
-
- phost->device_prop.speed = HCD_GetCurrentSpeed(pdev);
-
- phost->gState = HOST_ENUMERATION;
- phost->usr_cb->DeviceSpeedDetected(phost->device_prop.speed);
-
- /* Open Control pipes */
- USBH_Open_Channel (pdev,
- phost->Control.hc_num_in,
- phost->device_prop.address,
- phost->device_prop.speed,
- EP_TYPE_CTRL,
- phost->Control.ep0size);
-
- /* Open Control pipes */
- USBH_Open_Channel (pdev,
- phost->Control.hc_num_out,
- phost->device_prop.address,
- phost->device_prop.speed,
- EP_TYPE_CTRL,
- phost->Control.ep0size);
- }
- break;
-
- case HOST_ENUMERATION:
- /* Check for enumeration status */
- if ( USBH_HandleEnum(pdev , phost) == USBH_OK)
- {
- /* The function shall return USBH_OK when full enumeration is complete */
-
- /* user callback for end of device basic enumeration */
- phost->usr_cb->EnumerationDone();
-
- phost->gState = HOST_USR_INPUT;
- }
- break;
-
- case HOST_USR_INPUT:
- /*The function should return user response true to move to class state */
- if ( phost->usr_cb->UserInput() == USBH_USR_RESP_OK)
- {
- if((phost->class_cb->Init(pdev, phost))\
- == USBH_OK)
- {
- phost->gState = HOST_CLASS_REQUEST;
- }
- }
- break;
-
- case HOST_CLASS_REQUEST:
- /* process class standard contol requests state machine */
- status = phost->class_cb->Requests(pdev, phost);
-
- if(status == USBH_OK)
- {
- phost->gState = HOST_CLASS;
- }
-
- else
- {
- USBH_ErrorHandle(phost, status);
- }
-
-
- break;
- case HOST_CLASS:
- /* process class state machine */
- status = phost->class_cb->Machine(pdev, phost);
- USBH_ErrorHandle(phost, status);
- break;
-
- case HOST_CTRL_XFER:
- /* process control transfer state machine */
- USBH_HandleControl(pdev, phost);
- break;
-
- case HOST_SUSPENDED:
- break;
-
- case HOST_ERROR_STATE:
- /* Re-Initilaize Host for new Enumeration */
- USBH_DeInit(pdev, phost);
- phost->usr_cb->DeInit();
- phost->class_cb->DeInit(pdev, &phost->device_prop);
- break;
-
- case HOST_DEV_DISCONNECTED :
-
- /* Manage User disconnect operations*/
- phost->usr_cb->DeviceDisconnected();
-
- /* Re-Initilaize Host for new Enumeration */
- USBH_DeInit(pdev, phost);
- phost->usr_cb->DeInit();
- phost->class_cb->DeInit(pdev, &phost->device_prop);
- USBH_DeAllocate_AllChannel(pdev);
- phost->gState = HOST_IDLE;
-
- break;
-
- default :
- break;
- }
-
-}
-
-
-/**
- * @brief USBH_ErrorHandle
- * This function handles the Error on Host side.
- * @param errType : Type of Error or Busy/OK state
- * @retval None
- */
-void USBH_ErrorHandle(USBH_HOST *phost, USBH_Status errType)
-{
- /* Error unrecovered or not supported device speed */
- if ( (errType == USBH_ERROR_SPEED_UNKNOWN) ||
- (errType == USBH_UNRECOVERED_ERROR) )
- {
- phost->usr_cb->UnrecoveredError();
- phost->gState = HOST_ERROR_STATE;
- }
- /* USB host restart requested from application layer */
- else if(errType == USBH_APPLY_DEINIT)
- {
- phost->gState = HOST_ERROR_STATE;
- /* user callback for initalization */
- phost->usr_cb->Init();
- }
-}
-
-
-/**
- * @brief USBH_HandleEnum
- * This function includes the complete enumeration process
- * @param pdev: Selected device
- * @retval USBH_Status
- */
-static USBH_Status USBH_HandleEnum(USB_OTG_CORE_HANDLE *pdev, USBH_HOST *phost)
-{
- USBH_Status Status = USBH_BUSY;
- uint8_t Local_Buffer[64];
-
- switch (phost->EnumState)
- {
- case ENUM_IDLE:
- /* Get Device Desc for only 1st 8 bytes : To get EP0 MaxPacketSize */
- if ( USBH_Get_DevDesc(pdev , phost, 8) == USBH_OK)
- {
- phost->Control.ep0size = phost->device_prop.Dev_Desc.bMaxPacketSize;
-
- /* Issue Reset */
- HCD_ResetPort(pdev);
- phost->EnumState = ENUM_GET_FULL_DEV_DESC;
-
- /* modify control channels configuration for MaxPacket size */
- USBH_Modify_Channel (pdev,
- phost->Control.hc_num_out,
- 0,
- 0,
- 0,
- phost->Control.ep0size);
-
- USBH_Modify_Channel (pdev,
- phost->Control.hc_num_in,
- 0,
- 0,
- 0,
- phost->Control.ep0size);
- }
- break;
-
- case ENUM_GET_FULL_DEV_DESC:
- /* Get FULL Device Desc */
- if ( USBH_Get_DevDesc(pdev, phost, USB_DEVICE_DESC_SIZE)\
- == USBH_OK)
- {
- /* user callback for device descriptor available */
- phost->usr_cb->DeviceDescAvailable(&phost->device_prop.Dev_Desc);
- phost->EnumState = ENUM_SET_ADDR;
- }
- break;
-
- case ENUM_SET_ADDR:
- /* set address */
- if ( USBH_SetAddress(pdev, phost, USBH_DEVICE_ADDRESS) == USBH_OK)
- {
- USB_OTG_BSP_mDelay(2);
- phost->device_prop.address = USBH_DEVICE_ADDRESS;
-
- /* user callback for device address assigned */
- phost->usr_cb->DeviceAddressAssigned();
- phost->EnumState = ENUM_GET_CFG_DESC;
-
- /* modify control channels to update device address */
- USBH_Modify_Channel (pdev,
- phost->Control.hc_num_in,
- phost->device_prop.address,
- 0,
- 0,
- 0);
-
- USBH_Modify_Channel (pdev,
- phost->Control.hc_num_out,
- phost->device_prop.address,
- 0,
- 0,
- 0);
- }
- break;
-
- case ENUM_GET_CFG_DESC:
- /* get standard configuration descriptor */
- if ( USBH_Get_CfgDesc(pdev,
- phost,
- USB_CONFIGURATION_DESC_SIZE) == USBH_OK)
- {
- phost->EnumState = ENUM_GET_FULL_CFG_DESC;
- }
- break;
-
- case ENUM_GET_FULL_CFG_DESC:
- /* get FULL config descriptor (config, interface, endpoints) */
- if (USBH_Get_CfgDesc(pdev,
- phost,
- phost->device_prop.Cfg_Desc.wTotalLength) == USBH_OK)
- {
- /* User callback for configuration descriptors available */
- phost->usr_cb->ConfigurationDescAvailable(&phost->device_prop.Cfg_Desc,
- phost->device_prop.Itf_Desc,
- phost->device_prop.Ep_Desc[0]);
-
- phost->EnumState = ENUM_GET_MFC_STRING_DESC;
- }
- break;
-
- case ENUM_GET_MFC_STRING_DESC:
- if (phost->device_prop.Dev_Desc.iManufacturer != 0)
- { /* Check that Manufacturer String is available */
-
- if ( USBH_Get_StringDesc(pdev,
- phost,
- phost->device_prop.Dev_Desc.iManufacturer,
- Local_Buffer ,
- 0xff) == USBH_OK)
- {
- /* User callback for Manufacturing string */
- phost->usr_cb->ManufacturerString(Local_Buffer);
- phost->EnumState = ENUM_GET_PRODUCT_STRING_DESC;
- }
- }
- else
- {
- phost->usr_cb->ManufacturerString("N/A");
- phost->EnumState = ENUM_GET_PRODUCT_STRING_DESC;
- }
- break;
-
- case ENUM_GET_PRODUCT_STRING_DESC:
- if (phost->device_prop.Dev_Desc.iProduct != 0)
- { /* Check that Product string is available */
- if ( USBH_Get_StringDesc(pdev,
- phost,
- phost->device_prop.Dev_Desc.iProduct,
- Local_Buffer,
- 0xff) == USBH_OK)
- {
- /* User callback for Product string */
- phost->usr_cb->ProductString(Local_Buffer);
- phost->EnumState = ENUM_GET_SERIALNUM_STRING_DESC;
- }
- }
- else
- {
- phost->usr_cb->ProductString("N/A");
- phost->EnumState = ENUM_GET_SERIALNUM_STRING_DESC;
- }
- break;
-
- case ENUM_GET_SERIALNUM_STRING_DESC:
- if (phost->device_prop.Dev_Desc.iSerialNumber != 0)
- { /* Check that Serial number string is available */
- if ( USBH_Get_StringDesc(pdev,
- phost,
- phost->device_prop.Dev_Desc.iSerialNumber,
- Local_Buffer,
- 0xff) == USBH_OK)
- {
- /* User callback for Serial number string */
- phost->usr_cb->SerialNumString(Local_Buffer);
- phost->EnumState = ENUM_SET_CONFIGURATION;
- }
- }
- else
- {
- phost->usr_cb->SerialNumString("N/A");
- phost->EnumState = ENUM_SET_CONFIGURATION;
- }
- break;
-
- case ENUM_SET_CONFIGURATION:
- /* set configuration (default config) */
- if (USBH_SetCfg(pdev,
- phost,
- phost->device_prop.Cfg_Desc.bConfigurationValue) == USBH_OK)
- {
- phost->EnumState = ENUM_DEV_CONFIGURED;
- }
- break;
-
-
- case ENUM_DEV_CONFIGURED:
- /* user callback for enumeration done */
- Status = USBH_OK;
- break;
-
- default:
- break;
- }
- return Status;
-}
-
-
-/**
- * @brief USBH_HandleControl
- * Handles the USB control transfer state machine
- * @param pdev: Selected device
- * @retval Status
- */
-USBH_Status USBH_HandleControl (USB_OTG_CORE_HANDLE *pdev, USBH_HOST *phost)
-{
- uint8_t direction;
- static uint16_t timeout = 0;
- USBH_Status status = USBH_OK;
- URB_STATE URB_Status = URB_IDLE;
-
- phost->Control.status = CTRL_START;
-
-
- switch (phost->Control.state)
- {
- case CTRL_SETUP:
- /* send a SETUP packet */
- USBH_CtlSendSetup (pdev,
- phost->Control.setup.d8 ,
- phost->Control.hc_num_out);
- phost->Control.state = CTRL_SETUP_WAIT;
- break;
-
- case CTRL_SETUP_WAIT:
-
- URB_Status = HCD_GetURB_State(pdev , phost->Control.hc_num_out);
- /* case SETUP packet sent successfully */
- if(URB_Status == URB_DONE)
- {
- direction = (phost->Control.setup.b.bmRequestType & USB_REQ_DIR_MASK);
-
- /* check if there is a data stage */
- if (phost->Control.setup.b.wLength.w != 0 )
- {
- timeout = DATA_STAGE_TIMEOUT;
- if (direction == USB_D2H)
- {
- /* Data Direction is IN */
- phost->Control.state = CTRL_DATA_IN;
- }
- else
- {
- /* Data Direction is OUT */
- phost->Control.state = CTRL_DATA_OUT;
- }
- }
- /* No DATA stage */
- else
- {
- timeout = NODATA_STAGE_TIMEOUT;
-
- /* If there is No Data Transfer Stage */
- if (direction == USB_D2H)
- {
- /* Data Direction is IN */
- phost->Control.state = CTRL_STATUS_OUT;
- }
- else
- {
- /* Data Direction is OUT */
- phost->Control.state = CTRL_STATUS_IN;
- }
- }
- /* Set the delay timer to enable timeout for data stage completion */
- phost->Control.timer = HCD_GetCurrentFrame(pdev);
- }
- else if(URB_Status == URB_ERROR)
- {
- phost->Control.state = CTRL_ERROR;
- phost->Control.status = CTRL_XACTERR;
- }
- break;
-
- case CTRL_DATA_IN:
- /* Issue an IN token */
- USBH_CtlReceiveData(pdev,
- phost->Control.buff,
- phost->Control.length,
- phost->Control.hc_num_in);
-
- phost->Control.state = CTRL_DATA_IN_WAIT;
- break;
-
- case CTRL_DATA_IN_WAIT:
-
- URB_Status = HCD_GetURB_State(pdev , phost->Control.hc_num_in);
-
- /* check is DATA packet transfered successfully */
- if (URB_Status == URB_DONE)
- {
- phost->Control.state = CTRL_STATUS_OUT;
- }
-
- /* manage error cases*/
- if (URB_Status == URB_STALL)
- {
- /* In stall case, return to previous machine state*/
- phost->gState = phost->gStateBkp;
- }
- else if (URB_Status == URB_ERROR)
- {
- /* Device error */
- phost->Control.state = CTRL_ERROR;
- }
- else if ((HCD_GetCurrentFrame(pdev)- phost->Control.timer) > timeout)
- {
- /* timeout for IN transfer */
- phost->Control.state = CTRL_ERROR;
- }
- break;
-
- case CTRL_DATA_OUT:
- /* Start DATA out transfer (only one DATA packet)*/
- pdev->host.hc[phost->Control.hc_num_out].toggle_out = 1;
-
- USBH_CtlSendData (pdev,
- phost->Control.buff,
- phost->Control.length ,
- phost->Control.hc_num_out);
-
-
-
-
-
- phost->Control.state = CTRL_DATA_OUT_WAIT;
- break;
-
- case CTRL_DATA_OUT_WAIT:
-
- URB_Status = HCD_GetURB_State(pdev , phost->Control.hc_num_out);
- if (URB_Status == URB_DONE)
- { /* If the Setup Pkt is sent successful, then change the state */
- phost->Control.state = CTRL_STATUS_IN;
- }
-
- /* handle error cases */
- else if (URB_Status == URB_STALL)
- {
- /* In stall case, return to previous machine state*/
- phost->gState = phost->gStateBkp;
- phost->Control.state = CTRL_STALLED;
- }
- else if (URB_Status == URB_NOTREADY)
- {
- /* Nack received from device */
- phost->Control.state = CTRL_DATA_OUT;
- }
- else if (URB_Status == URB_ERROR)
- {
- /* device error */
- phost->Control.state = CTRL_ERROR;
- }
- break;
-
-
- case CTRL_STATUS_IN:
- /* Send 0 bytes out packet */
- USBH_CtlReceiveData (pdev,
- 0,
- 0,
- phost->Control.hc_num_in);
-
- phost->Control.state = CTRL_STATUS_IN_WAIT;
-
- break;
-
- case CTRL_STATUS_IN_WAIT:
-
- URB_Status = HCD_GetURB_State(pdev , phost->Control.hc_num_in);
-
- if ( URB_Status == URB_DONE)
- { /* Control transfers completed, Exit the State Machine */
- phost->gState = phost->gStateBkp;
- phost->Control.state = CTRL_COMPLETE;
- }
-
- else if (URB_Status == URB_ERROR)
- {
- phost->Control.state = CTRL_ERROR;
- }
-
- else if((HCD_GetCurrentFrame(pdev)\
- - phost->Control.timer) > timeout)
- {
- phost->Control.state = CTRL_ERROR;
- }
- else if(URB_Status == URB_STALL)
- {
- /* Control transfers completed, Exit the State Machine */
- phost->gState = phost->gStateBkp;
- phost->Control.status = CTRL_STALL;
- status = USBH_NOT_SUPPORTED;
- }
- break;
-
- case CTRL_STATUS_OUT:
- pdev->host.hc[phost->Control.hc_num_out].toggle_out ^= 1;
- USBH_CtlSendData (pdev,
- 0,
- 0,
- phost->Control.hc_num_out);
-
- phost->Control.state = CTRL_STATUS_OUT_WAIT;
- break;
-
- case CTRL_STATUS_OUT_WAIT:
-
- URB_Status = HCD_GetURB_State(pdev , phost->Control.hc_num_out);
- if (URB_Status == URB_DONE)
- {
- phost->gState = phost->gStateBkp;
- phost->Control.state = CTRL_COMPLETE;
- }
- else if (URB_Status == URB_NOTREADY)
- {
- phost->Control.state = CTRL_STATUS_OUT;
- }
- else if (URB_Status == URB_ERROR)
- {
- phost->Control.state = CTRL_ERROR;
- }
- break;
-
- case CTRL_ERROR:
- /*
- After a halt condition is encountered or an error is detected by the
- host, a control endpoint is allowed to recover by accepting the next Setup
- PID; i.e., recovery actions via some other pipe are not required for control
- endpoints. For the Default Control Pipe, a device reset will ultimately be
- required to clear the halt or error condition if the next Setup PID is not
- accepted.
- */
- if (++ phost->Control.errorcount <= USBH_MAX_ERROR_COUNT)
- {
- /* Do the transmission again, starting from SETUP Packet */
- phost->Control.state = CTRL_SETUP;
- }
- else
- {
- phost->Control.status = CTRL_FAIL;
- phost->gState = phost->gStateBkp;
-
- status = USBH_FAIL;
- }
- break;
-
- default:
- break;
- }
- return status;
-}
-
-
-/**
-* @}
-*/
-
-/**
-* @}
-*/
-
-/**
-* @}
-*/
-
-/**
-* @}
-*/
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
-
-
-
-
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