dscr.a51

HIGH_SPEED_USB_To_ATA(IDE)Firmware相关代码（EZ USB FX2芯片）

;;-----------------------------------------------------------------------------
;;   File:      dscr.a51
;;   Contents:   This file contains descriptor data tables.  
;;
;;   Copyright (c) 1997 AnchorChips, Inc. All rights reserved
;;
;; $Archive:$
;; $Date:$
;; $Revision:$
;;-----------------------------------------------------------------------------
   
DSCR_DEVICE   equ   1   ;; Descriptor type: Device
DSCR_CONFIG   equ   2   ;; Descriptor type: Configuration
DSCR_STRING   equ   3   ;; Descriptor type: String
DSCR_INTRFC   equ   4   ;; Descriptor type: Interface
DSCR_ENDPNT   equ   5   ;; Descriptor type: Endpoint
DSCR_DEVQUAL  equ   6   ;; Descriptor type: Device Qualifier

DSCR_DEVICE_LEN   equ   18
DSCR_CONFIG_LEN   equ    9
DSCR_INTRFC_LEN   equ    9
DSCR_ENDPNT_LEN   equ    7
DSCR_DEVQUAL_LEN  equ   10

ET_CONTROL   equ   0   ;; Endpoint type: Control
ET_ISO       equ   1   ;; Endpoint type: Isochronous
ET_BULK      equ   2   ;; Endpoint type: Bulk
ET_INT       equ   3   ;; Endpoint type: Interrupt

MASS_STORAGE_CLASS     EQU   8
MASS_STORAGE_SCSICMD   EQU   6
MASS_STORAGE_BOT       EQU   50h

DeviceDscrOffset EQU DeviceDscr - DeviceDscr
DeviceQualDscrOffset EQU DeviceQualDscr - DeviceDscr
HighSpeedConfigDscrOffset EQU HighSpeedConfigDscr - DeviceDscr
FullSpeedConfigDscrOffset EQU FullSpeedConfigDscr - DeviceDscr
StringDscrOffset EQU StringDscr - DeviceDscr
UserDscrOffset EQU UserDscr - DeviceDscr
IntrfcSubClassHighSpeedOffset EQU IntrfcSubClassHighSpeed - DeviceDscr
IntrfcSubClassFullSpeedOffset EQU IntrfcSubClassFullSpeed - DeviceDscr
SerialNumberOffset EQU SerialNumber - DeviceDscr
DscrEndOffset EQU DscrEnd - DeviceDscr

public      DeviceDscr, DeviceQualDscr, HighSpeedConfigDscr, FullSpeedConfigDscr, StringDscr, UserDscr
public      IntrfcSubClassHighSpeed, IntrfcSubClassFullSpeed, SerialNumber, DscrEnd
public      DeviceDscrOffset, DeviceQualDscrOffset, HighSpeedConfigDscrOffset, FullSpeedConfigDscrOffset, StringDscrOffset, UserDscrOffset
public      IntrfcSubClassHighSpeedOffset, IntrfcSubClassFullSpeedOffset, SerialNumberOffset, DscrEndOffset
public	    StringDscr0, StringDscr1, StringDscr2, StringDscr3

DSCR   SEGMENT   CODE PAGE

;;-----------------------------------------------------------------------------
;; Global Variables
;;-----------------------------------------------------------------------------
      rseg DSCR      ;; locate the descriptor table in on-part memory.

DeviceDscr:   
      db   DSCR_DEVICE_LEN      ;; Descriptor length
      db   DSCR_DEVICE   ;; Decriptor type
      dw   0002H      ;; Specification Version (BCD)
      db   00H        ;; Device class
      db   00H         ;; Device sub-class
      db   00H         ;; Device sub-sub-class
      db   64         ;; Maximum packet size
      dw   0B404H      ;; Vendor ID (4b4)
      dw   1146H      ;; Product ID - set to new id = CY4611
;      dw   0df0H      ;; Product ID (Sample Device)
;      dw   0210h	;; Sample device
      dw   0000H      ;; Product version ID
      db   1         ;; Manufacturer string index
      db   3         ;; Product string index
      db   2         ;; Serial number string index
      db   1         ;; Number of configurations

DeviceQualDscr:
      db   DSCR_DEVQUAL_LEN   ;; Descriptor length
      db   DSCR_DEVQUAL   ;; Decriptor type
      dw   0002H      ;; Specification Version (BCD)
      db   00H        ;; Device class
      db   00H         ;; Device sub-class
      db   00H         ;; Device sub-sub-class
      db   64         ;; Maximum packet size
      db   1         ;; Number of configurations
      db   0         ;; Reserved

HighSpeedConfigDscr:   
      db   DSCR_CONFIG_LEN               ;; Descriptor length
      db   DSCR_CONFIG                  ;; Descriptor type
      db   (HighSpeedConfigDscrEnd-HighSpeedConfigDscr) mod 256 ;; Total Length (LSB)
      db   (HighSpeedConfigDscrEnd-HighSpeedConfigDscr)  /  256 ;; Total Length (MSB)
      db   1      ;; Number of interfaces
      db   1      ;; Configuration number
      db   0      ;; Configuration string
     db   11000000b   ;; Attributes (b7 - buspwr, b6 - selfpwr, b5 - rwu)
     db   0      ;; Power requirement (div 2 ma)

;; Interface Descriptor
      db   DSCR_INTRFC_LEN      ;; Descriptor length
      db   DSCR_INTRFC         ;; Descriptor type
      db   0               ;; Zero-based index of this interface
      db   0               ;; Alternate setting
      db   2               ;; Number of end points 
      db   08H             ;; Interface class -- Mass Storage
;      db   0		   ;; NOT Mass Storage -- use for testing
IntrfcSubClassHighSpeed:
      db   06H               ;; Interface sub class
      db   50H               ;; Interface sub sub class
      db   0               ;; Interface descriptor string index
      
;; Endpoint Descriptor
      db   DSCR_ENDPNT_LEN      ;; Descriptor length
      db   DSCR_ENDPNT         ;; Descriptor type
      db   02H               ;; Endpoint number, and direction
      db   ET_BULK            ;; Endpoint type
      db   00H               ;; Maximun packet size (LSB)
      db   02H               ;; Max packect size (MSB)
      db   00H               ;; Polling interval

;; Endpoint Descriptor
      db   DSCR_ENDPNT_LEN      ;; Descriptor length
      db   DSCR_ENDPNT         ;; Descriptor type
      db   88H               ;; Endpoint number, and direction
      db   ET_BULK            ;; Endpoint type
      db   00H               ;; Maximun packet size (LSB)
      db   02H               ;; Max packect size (MSB)
      db   00H               ;; Polling interval

HighSpeedConfigDscrEnd:   

FullSpeedConfigDscr:   
      db   DSCR_CONFIG_LEN               ;; Descriptor length
      db   DSCR_CONFIG                  ;; Descriptor type
      db   (FullSpeedConfigDscrEnd-FullSpeedConfigDscr) mod 256 ;; Total Length (LSB)
      db   (FullSpeedConfigDscrEnd-FullSpeedConfigDscr)  /  256 ;; Total Length (MSB)
      db   1      ;; Number of interfaces
      db   1      ;; Configuration number
      db   0      ;; Configuration string
      db   11000000b   ;; Attributes (b7 - buspwr, b6 - selfpwr, b5 - rwu)
      db   0      ;; Power requirement (div 2 ma)

;; Interface Descriptor
      db   DSCR_INTRFC_LEN      ;; Descriptor length
      db   DSCR_INTRFC         ;; Descriptor type
      db   0               ;; Zero-based index of this interface
      db   0               ;; Alternate setting
      db   2               ;; Number of end points 
      db   08H             ;; Interface class -- Mass Storage
IntrfcSubClassFullSpeed:
      db   06H               ;; Interface sub class
      db   50H               ;; Interface sub sub class
      db   0               ;; Interface descriptor string index
      
;; Endpoint Descriptor
      db   DSCR_ENDPNT_LEN      ;; Descriptor length
      db   DSCR_ENDPNT         ;; Descriptor type
      db   02H               ;; Endpoint number, and direction
      db   ET_BULK            ;; Endpoint type
      db   40H               ;; Maximun packet size (LSB)
      db   00H               ;; Max packect size (MSB)
      db   00H               ;; Polling interval

;; Endpoint Descriptor
      db   DSCR_ENDPNT_LEN      ;; Descriptor length
      db   DSCR_ENDPNT         ;; Descriptor type
      db   88H               ;; Endpoint number, and direction
      db   ET_BULK            ;; Endpoint type
      db   40H               ;; Maximun packet size (LSB)
      db   00H               ;; Max packect size (MSB)
      db   00H               ;; Polling interval

FullSpeedConfigDscrEnd:   

StringDscr:
StringDscr0:
		db	StringDscr0End-StringDscr0		;; String descriptor length
		db	DSCR_STRING
		db	09H,04H
StringDscr0End:

StringDscr1:	
		db	StringDscr1End-StringDscr1		;; String descriptor length
		db	DSCR_STRING
		db	'C',00
		db	'y',00
		db	'p',00
		db	'r',00
		db	'e',00
		db	's',00
		db	's',00
StringDscr1End:

StringDscr2:	
		db	StringDscr2End-StringDscr2		;; String descriptor length
		db	DSCR_STRING
SerialNumber:
		db	'0',00	
		db	'0',00	
		db	'0',00	
		db	'0',00	
		db	'0',00	
		db	'0',00	
		db	'0',00	
		db	'0',00	
		db	'0',00	
		db	'0',00	
		db	'0',00	
		db	'1',00
StringDscr2End:

StringDscr3:	
		db	StringDscr3End-StringDscr3		;; String descriptor length
		db	DSCR_STRING
		db	'C',00
		db	'y',00
		db	'p',00
		db	'r',00
		db	'e',00
		db	's',00
		db	's',00
		db	' ',00
		db	'M',00
		db	'a',00
		db	's',00
		db	's',00
		db	' ',00
		db	'S',00
		db	't',00
		db	'o',00
		db	'r',00
		db	'a',00
		db	'g',00
		db	'e',00
		db	' ',00
		db	'2',00
		db	'.',00
		db	'1',00
		db	'0',00
		db	' ',00
		db	' ',00
		db	' ',00
StringDscr3End:

UserDscr:		
		dw	0000H

DscrEnd:
		end