;;------------------------------------------------------------------------------
;;   File:      dscr.a51
;;   Contents:  This file contains descriptor data tables.
;;
;; $Archive: /USB/Examples/Fx2lp/bulkloop/dscr.a51 $
;; $Date: 9/01/03 8:51p $
;; $Revision: 3 $
;;
;;
;;------------------------------------------------------------------------------
;; Copyright 2003, Cypress Semiconductor Corporation
;;------------------------------------------------------------------------------

;;______________________________________________________________________________
;; {Trace}
;; [File name] "DSCR.A51"
;; [Language] "Assembly registers for A8051 Standard"
;; [Last revision] "02 Nov 2007"
;; [Author] "Cypress"
;; [Modified by] "Piero Giubilato"
;; [Member of] "FX2 Firmware"
;; [Description] "This file is the assembly descriptor containing the device"
;; "specifications, like PID, VID, DID, ...."
;; [Compiler] ""
;; [Key documentation] "Cypress EZ-USB Technical Reference Manual"
;; {Trace}
;;______________________________________________________________________________

;;------------------------------------------------------------------------------
;; Pay attention: Words used here are BIG ENDIAN due to descriptor convention,
;; while USB convention requires for LITTLE EENDIAN, so remember that values
;; must be byte-swapped!
;;------------------------------------------------------------------------------

   
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

public      DeviceDscr, DeviceQualDscr, HighSpeedConfigDscr, FullSpeedConfigDscr, StringDscr, UserDscr

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   0e0bH      		;; Vendor ID
      dw   0a0dH      		;; Product ID (Sample Device)
      dw   0100H      		;; Product version ID
      db   1         		;; Manufacturer string index
      db   2         		;; Product string index
      db   0         		;; 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   10000000b   		;; Attributes (b7 - buspwr, b6 - selfpwr, b5 - rwu)
      db   50      			;; 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   4               	;; Number of end points 
      db   0ffH            	;; Interface class
      db   00H              ;; Interface sub class
      db   00H              ;; 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   04H              ;; 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   86H              ;; 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   10000000b   ;; Attributes (b7 - buspwr, b6 - selfpwr, b5 - rwu)
      db   50      ;; 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   4                ;; Number of end points 
      db   0ffH             ;; Interface class
      db   00H              ;; Interface sub class
      db   00H              ;; 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   04H              ;; 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   86H              ;; 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   'B',00
      db   'e',00
      db   'r',00
      db   'k',00
      db   'e',00
      db   'l',00
      db   'e',00
	  db   'y',00
StringDscr1End:

StringDscr2:   
      db   StringDscr2End-StringDscr2      ;; Descriptor length
      db   DSCR_STRING
      db   'B',00			
      db   'e',00
      db   'r',00
      db   'k',00
      db   'e',00
      db   'l',00
	  db   'e',00
      db   'y',00
      db   ' ',00
	  db   'D',00
      db   'A',00
      db   'Q',00
      db   ' ',00
      db   'B',00
      db   'o',00
	  db   'a',00
      db   'r',00
      db   'd',00
	  db   ' ',00
      db   '0',00
      db   '1',00

StringDscr2End:

UserDscr:      
      dw   0000H
      end