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/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
* File Name : usb_core.h
* Author : MCD Application Team
* Date First Issued : 05/18/2006 : Version 1.0
* Description : USB state machine structures and functions prototypes
********************************************************************************
* History:
* 05/24/2006 : Version 1.1
* 05/18/2006 : Version 1.0
********************************************************************************
* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH
* CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. AS
* A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT
* OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
* OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION
* CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/
#define Type_Recipient (pInfo->USBbmRequestType & (REQUEST_TYPE | RECIPIENT))
#define STD_MAXPACKETSIZE 0x40 /* 64 bytes*/
typedef enum _CONTROL_STATE {
WAIT_SETUP,
SETTING_UP,
IN_DATA,
OUT_DATA,
LAST_IN_DATA,
LAST_OUT_DATA,
WAIT_STATUS_IN,
WAIT_STATUS_OUT,
STALLED,
PAUSE
} CONTROL_STATE; /* The state machine states of a control pipe */
typedef struct OneDescriptor {
BYTE *Descriptor;
WORD Descriptor_Size;
} ONE_DESCRIPTOR, *PONE_DESCRIPTOR;
typedef enum _RESULT {
USB_SUCCESS = 0, /* Process sucessfully */
USB_ERROR,
UNSUPPORT,
NOT_READY /* The process has not been finished, */
/* endpoint will be NAK to further rquest */
} RESULT;
/*-*-*-*-*-*-*-*-*-*-* Definitions for endpoint level -*-*-*-*-*-*-*-*-*-*-*-*/
typedef struct _ENDPOINT_INFO {
WORD Usb_wLength;
WORD Usb_wOffset;
WORD PacketSize;
BYTE *(*CopyData)(WORD Length);
} ENDPOINT_INFO;
#define Usb_rLength Usb_wLength
#define Usb_rOffset Usb_wOffset
/*-*-*-*-*-*-*-*-*-*-*-* Definitions for device level -*-*-*-*-*-*-*-*-*-*-*-*/
typedef struct _DEVICE {
BYTE Total_Endpoint; /* Number of endpoints that are used */
BYTE Total_Configuration;/* Number of configuration available */
} DEVICE;
typedef union {
WORD w;
struct BW {
BYTE bb1;
BYTE bb0;
} bw;
} WORD_BYTE;
typedef struct _DEVICE_INFO {
BYTE USBbmRequestType; /* bmRequestType */
BYTE USBbRequest; /* bRequest */
WORD_BYTE USBwValues; /* wValue */
WORD_BYTE USBwIndexs; /* wIndex */
WORD_BYTE USBwLengths; /* wLength */
BYTE ControlState; /* of type CONTROL_STATE */
BYTE Current_Feature; /*selected features*/
BYTE Current_Configuration; /* Selected configuration */
BYTE Current_Interface; /* Selected interface of current configuration */
BYTE Current_AlternateSetting;/* Selected Alternate Setting of current interface*/
ENDPOINT_INFO Ctrl_Info;
} DEVICE_INFO;
typedef struct _DEVICE_PROP {
void (*Init)(void);
void (*Reset)(void);
void (*Process_Status_IN)(void);
void (*Process_Status_OUT)(void);
RESULT (*Class_Data_Setup)(BYTE RequestNo);
RESULT (*Class_NoData_Setup)(BYTE RequestNo);
RESULT (*Class_Get_Interface_Setting)(BYTE Interface,BYTE AlternateSetting);
BYTE* (*GetDeviceDescriptor)(WORD Length);
BYTE* (*GetConfigDescriptor)(WORD Length);
BYTE* (*GetStringDescriptor)(WORD Length);
BYTE* RxEP_buffer;
WORD MaxPacketSize;
} DEVICE_PROP;
extern DEVICE_PROP Device_Property;
extern DEVICE Device_Table;
extern DEVICE_INFO Device_Info;
/* cells saving status during interrupt servicing */
extern WORD SaveRState;
extern WORD SaveTState;
#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
BYTE Setup0_Process(void);
BYTE Post0_Process(void);
BYTE Out0_Process(void);
BYTE In0_Process(void);
RESULT Standard_SetEndPointFeature(void);
RESULT Standard_SetDeviceFeature(void);
BYTE *Standard_GetConfiguration(WORD Length);
RESULT Standard_SetConfiguration(void);
BYTE *Standard_GetInterface(WORD Length);
RESULT Standard_SetInterface(void);
BYTE *Standard_GetDescriptorData(WORD Length, PONE_DESCRIPTOR pDesc);
BYTE *Standard_GetStringDescriptor(WORD Length, PONE_DESCRIPTOR pDesc);
void SetDeviceAddress(BYTE);
void NOP_Process(void);
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