/****************************************Copyright (c)**************************************************
**                               Guangzou ZLG-MCU Development Co.,LTD.
**                                      graduate school
**                                 http://www.zlgmcu.com
**
**--------------File Info-------------------------------------------------------------------------------
** File name:			Chap_9.h
** Last modified Date:	2005-8-6
** Last Version:		V1.0
** Descriptions:		chap_9.c頭文件, 實(shí)現(xiàn)USB1.1協(xié)議
**						The header file of chap_9.c, realize USB1.1 protocol
**------------------------------------------------------------------------------------------------------
** Created by:			鄭明遠(yuǎn) 		MingYuan Zheng
** Created date:		2005-8-6
** Version:				V1.0
** Descriptions:		初始版本	The original version
**
**------------------------------------------------------------------------------------------------------
** Modified by:			
** Modified date:
** Version:				
** Descriptions:
**
**------------------------------------------------------------------------------------------------------
** Modified by: 
** Modified date:
** Version:	
** Descriptions: 
**
********************************************************************************************************/

#ifndef __CHAP_9_H__
#define __CHAP_9_H__

#define MSB(x)    (((x) >> 8) & 0xFF)

#define MAX_ENDPOINTS      						  (INT8U)0x3

// the value of Get Status command 
#define USB_GETSTATUS_SELF_POWERED                0x01
#define USB_GETSTATUS_REMOTE_WAKEUP_ENABLED       0x02

/********* USB Status value  **************/ 
#define USB_IDLE           0
#define USB_TRANSMIT       1
#define USB_RECEIVE        2


   //*************************************************************************
   // Chap_9.c  used structure
   //*************************************************************************

typedef struct _device_request
{
	INT8U bmRequestType;
	INT8U bRequest;
	INT16U wValue;
	INT16U wIndex;
	INT16U wLength;
} DEVICE_REQUEST;


/*********** control transfer structure ************/
#define MAX_CONTROLDATA_SIZE	64

typedef struct _control_xfer
{
	DEVICE_REQUEST DeviceRequest;
	INT16U wLength;
	INT16U wCount;
	INT8U * pData;
	INT8U dataBuffer[MAX_CONTROLDATA_SIZE];
} CONTROL_XFER;


   //*************************************************************************
   // USB standard device request service program
   //*************************************************************************

void get_status(void);
void clear_feature(void);
void set_feature(void);
void set_address(void);
void get_descriptor(void);
void get_configuration(void);
void set_configuration(void);
void get_interface(void);
void set_interface(void);
void reserved(void);
void stall_ep0(void);
void ep0_txdone(void);
void ep0_rxdone(void);

void init_unconfig(void);
void init_config(void);
void single_transmit(INT8U * pData, INT8U len);
void code_transmit(INT8U * pRomData, INT16U len);
void control_handler(void);

#endif