dscr.lst

实现 ez-usb fx2 的USB标准请求

A51 MACRO ASSEMBLER  DSCR                                                                 06/04/2004 16:10:48 PAGE     1


MACRO ASSEMBLER A51 V7.02a
OBJECT MODULE PLACED IN dscr.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE dscr.a51 SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     ;;-----------------------------------------------------------------------------
                       2     ;;   File:      dscr.a51
                       3     ;;   Contents:   This file contains descriptor data tables.  
                       4     ;;
                       5     ;;   Copyright (c) 1997 AnchorChips, Inc. All rights reserved
                       6     ;;-----------------------------------------------------------------------------
                       7        
  0001                 8     DSCR_DEVICE   equ   1   ;; Descriptor type: Device
  0002                 9     DSCR_CONFIG   equ   2   ;; Descriptor type: Configuration
  0003                10     DSCR_STRING   equ   3   ;; Descriptor type: String
  0004                11     DSCR_INTRFC   equ   4   ;; Descriptor type: Interface
  0005                12     DSCR_ENDPNT   equ   5   ;; Descriptor type: Endpoint
  0006                13     DSCR_DEVQUAL  equ   6   ;; Descriptor type: Device Qualifier
                      14     
  0012                15     DSCR_DEVICE_LEN   equ   18
  0009                16     DSCR_CONFIG_LEN   equ    9
  0009                17     DSCR_INTRFC_LEN   equ    9
  0007                18     DSCR_ENDPNT_LEN   equ    7
  000A                19     DSCR_DEVQUAL_LEN  equ   10
                      20     
  0000                21     ET_CONTROL   equ   0   ;; Endpoint type: Control
  0001                22     ET_ISO       equ   1   ;; Endpoint type: Isochronous
  0002                23     ET_BULK      equ   2   ;; Endpoint type: Bulk
  0003                24     ET_INT       equ   3   ;; Endpoint type: Interrupt
                      25     
                      26     public      DeviceDscr, DeviceQualDscr, HighSpeedConfigDscr, FullSpeedConfigDscr, StringDsc
                             r, UserDscr
                      27     
                      28     DSCR   SEGMENT   CODE PAGE
                      29     
                      30     ;;-----------------------------------------------------------------------------
                      31     ;; Global Variables
                      32     ;;-----------------------------------------------------------------------------
----                  33           rseg DSCR      ;; locate the descriptor table in on-part memory.
0000                  34     DeviceDscr:   
0000 12               35           db   DSCR_DEVICE_LEN      ;; Descriptor length
0001 01               36           db   DSCR_DEVICE   ;; Decriptor type
0002 0002             37           dw   0002H      ;; Specification Version (BCD)
0004 00               38           db   00H        ;; Device class
0005 00               39           db   00H         ;; Device sub-class
0006 00               40           db   00H         ;; Device sub-sub-class
0007 40               41           db   64         ;; Maximum packet size
0008 0103             42           dw   0103H      ;; Vendor ID
000A 6000             43           dw   6000H      ;; Product ID (Sample Device)
000C 0000             44           dw   0000H      ;; Product version ID
000E 01               45           db   1         ;; Manufacturer string index
000F 02               46           db   2         ;; Product string index
0010 00               47           db   0         ;; Serial number string index
0011 01               48           db   1         ;; Number of configurations
                      49     
0012                  50     DeviceQualDscr:
0012 0A               51           db   DSCR_DEVQUAL_LEN   ;; Descriptor length
0013 06               52           db   DSCR_DEVQUAL   ;; Decriptor type
0014 0002             53           dw   0002H      ;; Specification Version (BCD)
0016 00               54           db   00H        ;; Device class
0017 00               55           db   00H         ;; Device sub-class
0018 00               56           db   00H         ;; Device sub-sub-class
0019 40               57           db   64         ;; Maximum packet size
A51 MACRO ASSEMBLER  DSCR                                                                 06/04/2004 16:10:48 PAGE     2

001A 01               58           db   1         ;; Number of configurations
001B 00               59           db   0         ;; Reserved
                      60     
001C                  61     HighSpeedConfigDscr:   
001C 09               62           db   DSCR_CONFIG_LEN               ;; Descriptor length
001D 02               63           db   DSCR_CONFIG                  ;; Descriptor type
001E 20               64           db   (HighSpeedConfigDscrEnd-HighSpeedConfigDscr) mod 256 ;; Total Length (LSB)
001F 00               65           db   (HighSpeedConfigDscrEnd-HighSpeedConfigDscr)  /  256 ;; Total Length (MSB)
0020 01               66           db   1      ;; Number of interfaces
0021 01               67           db   1      ;; Configuration number
0022 00               68           db   0      ;; Configuration string
0023 A0               69           db   10100000b   ;; Attributes (b7 - buspwr, b6 - selfpwr, b5 - rwu)
0024 32               70           db   50      ;; Power requirement (div 2 ma)
                      71     
                      72     ;; Interface Descriptor
0025 09               73           db   DSCR_INTRFC_LEN      ;; Descriptor length
0026 04               74           db   DSCR_INTRFC         ;; Descriptor type
0027 00               75           db   0               ;; Zero-based index of this interface
0028 00               76           db   0               ;; Alternate setting
0029 02               77           db   2               ;; Number of end points 
002A FF               78           db   0ffH            ;; Interface class
002B 00               79           db   00H               ;; Interface sub class
002C 00               80           db   00H               ;; Interface sub sub class
002D 00               81           db   0               ;; Interface descriptor string index
                      82           
                      83     ;; Endpoint Descriptor
002E 07               84           db   DSCR_ENDPNT_LEN      ;; Descriptor length
002F 05               85           db   DSCR_ENDPNT         ;; Descriptor type
0030 02               86           db   02H               ;; Endpoint number, and direction
0031 02               87           db   ET_BULK            ;; Endpoint type
0032 00               88           db   00H               ;; Maximun packet size (LSB)
0033 02               89           db   02H               ;; Max packect size (MSB)
0034 00               90           db   00H               ;; Polling interval
                      91     
                      92     ;; Endpoint Descriptor
0035 07               93           db   DSCR_ENDPNT_LEN      ;; Descriptor length
0036 05               94           db   DSCR_ENDPNT         ;; Descriptor type
0037 86               95           db   86H               ;; Endpoint number, and direction
0038 02               96           db   ET_BULK            ;; Endpoint type
0039 00               97           db   00H               ;; Maximun packet size (LSB)
003A 02               98           db   02H               ;; Max packect size (MSB)
003B 00               99           db   00H               ;; Polling interval
                     100     
003C                 101     HighSpeedConfigDscrEnd:   
                     102     
003C                 103     FullSpeedConfigDscr:   
003C 09              104           db   DSCR_CONFIG_LEN               ;; Descriptor length
003D 02              105           db   DSCR_CONFIG                  ;; Descriptor type
003E 20              106           db   (FullSpeedConfigDscrEnd-FullSpeedConfigDscr) mod 256 ;; Total Length (LSB)
003F 00              107           db   (FullSpeedConfigDscrEnd-FullSpeedConfigDscr)  /  256 ;; Total Length (MSB)
0040 01              108           db   1      ;; Number of interfaces
0041 01              109           db   1      ;; Configuration number
0042 00              110           db   0      ;; Configuration string
0043 A0              111           db   10100000b   ;; Attributes (b7 - buspwr, b6 - selfpwr, b5 - rwu)
0044 32              112           db   50      ;; Power requirement (div 2 ma)