diff --git a/usb_core.h b/usb_core.h
deleted file mode 100644
--- a/usb_core.h
+++ /dev/null
@@ -1,259 +0,0 @@
-/**
- ******************************************************************************
- * @file usb_core.h
- * @author MCD Application Team
- * @version V4.0.0
- * @date 28-August-2012
- * @brief Standard protocol processing functions prototypes
- ******************************************************************************
- * @attention
- *
- *
© COPYRIGHT 2012 STMicroelectronics
- *
- * 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.
- *
- ******************************************************************************
- */
-
-
-/* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __USB_CORE_H
-#define __USB_CORE_H
-
-/* Includes ------------------------------------------------------------------*/
-/* Exported types ------------------------------------------------------------*/
-typedef enum _CONTROL_STATE
-{
- WAIT_SETUP, /* 0 */
- SETTING_UP, /* 1 */
- IN_DATA, /* 2 */
- OUT_DATA, /* 3 */
- LAST_IN_DATA, /* 4 */
- LAST_OUT_DATA, /* 5 */
- WAIT_STATUS_IN, /* 7 */
- WAIT_STATUS_OUT, /* 8 */
- STALLED, /* 9 */
- PAUSE /* 10 */
-} CONTROL_STATE; /* The state machine states of a control pipe */
-
-typedef struct OneDescriptor
-{
- uint8_t *Descriptor;
- uint16_t Descriptor_Size;
-}
-ONE_DESCRIPTOR, *PONE_DESCRIPTOR;
-/* All the request process routines return a value of this type
- If the return value is not SUCCESS or NOT_READY,
- the software will STALL the correspond endpoint */
-typedef enum _RESULT
-{
- USB_SUCCESS = 0, /* Process successfully */
- USB_ERROR,
- USB_UNSUPPORT,
- USB_NOT_READY /* The process has not been finished, endpoint will be
- NAK to further request */
-} RESULT;
-
-
-/*-*-*-*-*-*-*-*-*-*-* Definitions for endpoint level -*-*-*-*-*-*-*-*-*-*-*-*/
-typedef struct _ENDPOINT_INFO
-{
- /* When send data out of the device,
- CopyData() is used to get data buffer 'Length' bytes data
- if Length is 0,
- CopyData() returns the total length of the data
- if the request is not supported, returns 0
- (NEW Feature )
- if CopyData() returns -1, the calling routine should not proceed
- further and will resume the SETUP process by the class device
- if Length is not 0,
- CopyData() returns a pointer to indicate the data location
- Usb_wLength is the data remain to be sent,
- Usb_wOffset is the Offset of original data
- When receive data from the host,
- CopyData() is used to get user data buffer which is capable
- of Length bytes data to copy data from the endpoint buffer.
- if Length is 0,
- CopyData() returns the available data length,
- if Length is not 0,
- CopyData() returns user buffer address
- Usb_rLength is the data remain to be received,
- Usb_rPointer is the Offset of data buffer
- */
- uint16_t Usb_wLength;
- uint16_t Usb_wOffset;
- uint16_t PacketSize;
- uint8_t *(*CopyData)(uint16_t Length);
-}ENDPOINT_INFO;
-
-/*-*-*-*-*-*-*-*-*-*-*-* Definitions for device level -*-*-*-*-*-*-*-*-*-*-*-*/
-
-typedef struct _DEVICE
-{
- uint8_t Total_Endpoint; /* Number of endpoints that are used */
- uint8_t Total_Configuration;/* Number of configuration available */
-}
-DEVICE;
-
-typedef union
-{
- uint16_t w;
- struct BW
- {
- uint8_t bb1;
- uint8_t bb0;
- }
- bw;
-} uint16_t_uint8_t;
-
-typedef struct _DEVICE_INFO
-{
- uint8_t USBbmRequestType; /* bmRequestType */
- uint8_t USBbRequest; /* bRequest */
- uint16_t_uint8_t USBwValues; /* wValue */
- uint16_t_uint8_t USBwIndexs; /* wIndex */
- uint16_t_uint8_t USBwLengths; /* wLength */
-
- uint8_t ControlState; /* of type CONTROL_STATE */
- uint8_t Current_Feature;
- uint8_t Current_Configuration; /* Selected configuration */
- uint8_t Current_Interface; /* Selected interface of current configuration */
- uint8_t Current_AlternateSetting;/* Selected Alternate Setting of current
- interface*/
-
- ENDPOINT_INFO Ctrl_Info;
-}DEVICE_INFO;
-
-typedef struct _DEVICE_PROP
-{
- void (*Init)(void); /* Initialize the device */
- void (*Reset)(void); /* Reset routine of this device */
-
- /* Device dependent process after the status stage */
- void (*Process_Status_IN)(void);
- void (*Process_Status_OUT)(void);
-
- /* Procedure of process on setup stage of a class specified request with data stage */
- /* All class specified requests with data stage are processed in Class_Data_Setup
- Class_Data_Setup()
- responses to check all special requests and fills ENDPOINT_INFO
- according to the request
- If IN tokens are expected, then wLength & wOffset will be filled
- with the total transferring bytes and the starting position
- If OUT tokens are expected, then rLength & rOffset will be filled
- with the total expected bytes and the starting position in the buffer
-
- If the request is valid, Class_Data_Setup returns SUCCESS, else UNSUPPORT
-
- CAUTION:
- Since GET_CONFIGURATION & GET_INTERFACE are highly related to
- the individual classes, they will be checked and processed here.
- */
- RESULT (*Class_Data_Setup)(uint8_t RequestNo);
-
- /* Procedure of process on setup stage of a class specified request without data stage */
- /* All class specified requests without data stage are processed in Class_NoData_Setup
- Class_NoData_Setup
- responses to check all special requests and perform the request
-
- CAUTION:
- Since SET_CONFIGURATION & SET_INTERFACE are highly related to
- the individual classes, they will be checked and processed here.
- */
- RESULT (*Class_NoData_Setup)(uint8_t RequestNo);
-
- /*Class_Get_Interface_Setting
- This function is used by the file usb_core.c to test if the selected Interface
- and Alternate Setting (uint8_t Interface, uint8_t AlternateSetting) are supported by
- the application.
- This function is writing by user. It should return "SUCCESS" if the Interface
- and Alternate Setting are supported by the application or "UNSUPPORT" if they
- are not supported. */
-
- RESULT (*Class_Get_Interface_Setting)(uint8_t Interface, uint8_t AlternateSetting);
-
- uint8_t* (*GetDeviceDescriptor)(uint16_t Length);
- uint8_t* (*GetConfigDescriptor)(uint16_t Length);
- uint8_t* (*GetStringDescriptor)(uint16_t Length);
-
- /* This field is not used in current library version. It is kept only for
- compatibility with previous versions */
- void* RxEP_buffer;
-
- uint8_t MaxPacketSize;
-
-}DEVICE_PROP;
-
-typedef struct _USER_STANDARD_REQUESTS
-{
- void (*User_GetConfiguration)(void); /* Get Configuration */
- void (*User_SetConfiguration)(void); /* Set Configuration */
- void (*User_GetInterface)(void); /* Get Interface */
- void (*User_SetInterface)(void); /* Set Interface */
- void (*User_GetStatus)(void); /* Get Status */
- void (*User_ClearFeature)(void); /* Clear Feature */
- void (*User_SetEndPointFeature)(void); /* Set Endpoint Feature */
- void (*User_SetDeviceFeature)(void); /* Set Device Feature */
- void (*User_SetDeviceAddress)(void); /* Set Device Address */
-}
-USER_STANDARD_REQUESTS;
-
-/* Exported constants --------------------------------------------------------*/
-#define Type_Recipient (pInformation->USBbmRequestType & (REQUEST_TYPE | RECIPIENT))
-
-#define Usb_rLength Usb_wLength
-#define Usb_rOffset Usb_wOffset
-
-#define USBwValue USBwValues.w
-#define USBwValue0 USBwValues.bw.bb0
-#define USBwValue1 USBwValues.bw.bb1
-#define USBwIndex USBwIndexs.w
-#define USBwIndex0 USBwIndexs.bw.bb0
-#define USBwIndex1 USBwIndexs.bw.bb1
-#define USBwLength USBwLengths.w
-#define USBwLength0 USBwLengths.bw.bb0
-#define USBwLength1 USBwLengths.bw.bb1
-
-/* Exported macro ------------------------------------------------------------*/
-/* Exported functions ------------------------------------------------------- */
-uint8_t Setup0_Process(void);
-uint8_t Post0_Process(void);
-uint8_t Out0_Process(void);
-uint8_t In0_Process(void);
-
-RESULT Standard_SetEndPointFeature(void);
-RESULT Standard_SetDeviceFeature(void);
-
-uint8_t *Standard_GetConfiguration(uint16_t Length);
-RESULT Standard_SetConfiguration(void);
-uint8_t *Standard_GetInterface(uint16_t Length);
-RESULT Standard_SetInterface(void);
-uint8_t *Standard_GetDescriptorData(uint16_t Length, PONE_DESCRIPTOR pDesc);
-
-uint8_t *Standard_GetStatus(uint16_t Length);
-RESULT Standard_ClearFeature(void);
-void SetDeviceAddress(uint8_t);
-void NOP_Process(void);
-
-extern DEVICE_PROP Device_Property;
-extern USER_STANDARD_REQUESTS User_Standard_Requests;
-extern DEVICE Device_Table;
-extern DEVICE_INFO Device_Info;
-
-/* cells saving status during interrupt servicing */
-extern __IO uint16_t SaveRState;
-extern __IO uint16_t SaveTState;
-
-#endif /* __USB_CORE_H */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/