#ifndef _MASS_H
#define _MASS_H
#include	"chap9.h"

typedef struct	epi
{
	unsigned 				max_packet_size:10;		// 端點(diǎn)最大封包
	unsigned 				dev_addr:7;			// 設(shè)備地址
	unsigned 				ep_num:5;				// 端點(diǎn)號(hào)
	unsigned 				toggle:1;				// DATA0，DATA1
	unsigned 				speed:1;				// 傳輸整速度：全速或低速
	unsigned 				direction:2;				// 端點(diǎn)方向
	unsigned 				tr_type:1;				// "Async or Iso" for PTD parameter
	unsigned 				transfer_type:3;			// Ctrl, Iso, Bulk, Intrr
	std_endpoint_descriptor	endpoint_descriptor;		// 端點(diǎn)描述符
	unsigned int			endpoint_create_id;		// 端點(diǎn)創(chuàng)建ID
	struct transfr			*tr_instance_ptr;			// 傳輸描述符鏈表指針
}endpoint_info;

#define		MAX_ENDPOINT_NUM				6
typedef struct	dev
{
	unsigned char			address;						// 設(shè)備地址
	unsigned char			speed;						// 
	std_dev_descriptor		dev_descriptor;					// 設(shè)備描述符
	std_conf_descriptor		conf_descriptor;					// 配置描述符
	std_interface_descriptor	interfacef_descriptor;				// 接口描述符
	endpoint_info			*epi_ptr[ MAX_ENDPOINT_NUM ];	// 端點(diǎn)描述信息指針列表
	#ifdef STRING_DESCRIPTOR
	unsigned short			*string_manufacturer;				// 廠商描述符字符串指針
	unsigned short			*string_product;					// 產(chǎn)品描述符字符串指針
	unsigned short			*string_serialNum;				// 設(shè)備序列號(hào)字符串指針
	#endif
	void					*class_instance_ptr;				// 類實(shí)例結(jié)構(gòu)指針
	unsigned char			topology_layer;				// 拓樸層，根集線器下的設(shè)備為第1層
}device_instance;
						


#define MAX_MASS_DEVICES_DEFINE			2
#define MAX_MASS_DEVICES_LUN_DEFINE 	MAX_MASS_DEVICES_DEFINE

#define		mass_instance_ptr( x )			((x)->class_instance_ptr)								

typedef struct _LIST_ENTRY{
	struct	transfr 	*Flink;
	struct	transfr 	*Blink;
}LIST_ENTRY,*PLIST_ENTRY;

typedef struct transfr{
	/*  for general ATL transfers		*/
									
	unsigned char		lock;				// 非0則該傳輸實(shí)例被鎖，其底7位為索引號(hào)
	unsigned char		*data_ptr_base;		// 該傳輸數(shù)據(jù)緩沖區(qū)基地址指針
	unsigned char		*data_ptr_start;		// 當(dāng)該指針為非NULL則該傳輸實(shí)例在中斷中被傳輸
	unsigned char		*data_ptr_end;
	unsigned char		*readout_position;	// 
	endpoint_info		*epi_ptr;				// 傳輸端點(diǎn)描述
	void				(*callback)( struct	transfr *ptr );	// 傳輸完成回調(diào)函數(shù)
	unsigned int		need_transfer_total_size;	// 需要傳輸?shù)目傋止?jié)數(shù)	
	unsigned short		transferred_size;		// 已傳輸?shù)淖止?jié)數(shù)
	unsigned char		direction;				// 傳輸方向，IN，OUT，SETUP
	unsigned char		completion_code;		// 完成代碼
	unsigned char		fatal_error;			// 嚴(yán)重錯(cuò)誤標(biāo)記
	unsigned long 		endpoint_create_id;	// 端點(diǎn)ID號(hào)
	LIST_ENTRY		tr_list_for_tr;
	LIST_ENTRY		tr_list_for_ep;

	/*  for interrupt transfer			*/
	/*  中斷傳輸  */
	unsigned char		schedule_rate;		// 輪詢數(shù)據(jù)傳送端點(diǎn)的時(shí)間間隔	 
	unsigned long		poll_timing_timer;	// 輪詢時(shí)間記數(shù)器
								
	/* for uC/OS-II */
	OS_EVENT *os_event_ptr;					//uC/OS-II 事件指針
}transfer_instance;

#define MAX_MASS_LUN 1
/* 大容量設(shè)備描述數(shù)據(jù)結(jié)構(gòu) */
typedef struct MASS_STORAGE_CLASS
{	unsigned char  		LUN;							/* 該設(shè)備的邏輯單元數(shù)*/
	struct _HMEDLUN	*LUN_infor_ptr[MAX_MASS_LUN];	/* 邏輯單元描述信息結(jié)構(gòu)指針 */ 
	device_instance 		*dvi_ptr;						/* 設(shè)備信息描述結(jié)構(gòu)指針*/
	endpoint_info		*setup_epi_ptr;					/* 控制端點(diǎn)描述信息結(jié)構(gòu)指針 */ 
	transfer_instance 	*tr_bulk_in_ptr;					/* 批量輸入傳輸描述符 */
	transfer_instance 	*tr_bulk_out_ptr;				/* 批量輸出傳輸描述符 */
	transfer_instance 	*tr_int_in_ptr; 					/* 中斷輸入傳輸描述符CBI-Only使用*/
	unsigned char		SubclassCode;					/* 子類代碼 */
	unsigned char		ProtocolCode;					/* 傳輸協(xié)議代碼CBI 或BULK*/ 
	unsigned char		*CBW_BuffPtr;					/* 批量傳輸?shù)拿畎彌_區(qū)指針 */
	unsigned char		RBC_BuffPtr[12];				/* 命令設(shè)置緩沖區(qū) */
}MassStorageClass,*PMassStorageClass;


/* 媒介設(shè)備句柄 */ 
typedef struct _HMEDLUN
{
	unsigned char  	LUN;					// 所在大容量設(shè)備的邏輯單元號(hào)
	MassStorageClass	*MSC;					// 大容量設(shè)備的描述信息結(jié)構(gòu)

	unsigned char  	VendorInfo[8];			// 廠商信息
	unsigned char  	ProductInfo[16];		// 產(chǎn)品信息
	unsigned char  	ProductRev[4];			// 產(chǎn)品版本
	
	unsigned int		LastLogicalBlookAddress;// 最后邏輯塊地址
	unsigned int  		BlockLengthInBytes;		// 邏輯塊長度

}hMedLUN;

#endif //	_MASS_H