dscr.lst

和LA_USB配套使用,USB 固件部分,对学习FX2有一定帮助

A51 MACRO ASSEMBLER  DSCR                                                                 11/28/2006 14:33:42 PAGE     1


MACRO ASSEMBLER A51 V7.10
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) 2003 Cypress Semiconductor, 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.
                      34     
0000                  35     DeviceDscr:   
0000 12               36           db   DSCR_DEVICE_LEN      ;; Descriptor length
0001 01               37           db   DSCR_DEVICE          ;; Decriptor type
0002 0002             38           dw   0002H                ;; Specification Version (BCD)
0004 00               39           db   00H                  ;; Device class
0005 00               40           db   00H                  ;; Device sub-class
0006 00               41           db   00H                  ;; Device sub-sub-class
0007 40               42           db   64                   ;; Maximum packet size
0008 4705             43           dw   4705H                ;; Vendor ID
                      44     
000A 0210             45           dw   0210H                ;; Product ID (Sample Device)
000C 0000             46           dw   0000H                ;; Product version ID
000E 01               47           db   1                    ;; Manufacturer string index
000F 02               48           db   2                    ;; Product string index
0010 00               49           db   0                    ;; Serial number string index
0011 01               50           db   1                    ;; Number of configurations
                      51     
0012                  52     DeviceQualDscr:
0012 0A               53           db   DSCR_DEVQUAL_LEN     ;; Descriptor length
0013 06               54           db   DSCR_DEVQUAL         ;; Decriptor type
0014 0002             55           dw   0002H                ;; Specification Version (BCD)
0016 00               56           db   00H                  ;; Device class
0017 00               57           db   00H                  ;; Device sub-class
A51 MACRO ASSEMBLER  DSCR                                                                 11/28/2006 14:33:42 PAGE     2

0018 00               58           db   00H                  ;; Device sub-sub-class
0019 40               59           db   64                   ;; Maximum packet size
001A 01               60           db   1                    ;; Number of configurations
001B 00               61           db   0                    ;; Reserved
                      62     
001C                  63     HighSpeedConfigDscr:   
001C 09               64           db   DSCR_CONFIG_LEN      ;; Descriptor length
001D 02               65           db   DSCR_CONFIG          ;; Descriptor type
001E 20               66           db   (HighSpeedConfigDscrEnd-HighSpeedConfigDscr) mod 256 ;; Total Length (LSB)
001F 00               67           db   (HighSpeedConfigDscrEnd-HighSpeedConfigDscr)  /  256 ;; Total Length (MSB)
0020 01               68           db   1                    ;; Number of interfaces
0021 01               69           db   1                    ;; Configuration number
0022 00               70           db   0                    ;; Configuration string
0023 80               71           db   10000000b            ;; Attributes (b7 - buspwr, b6 - selfpwr, b5 - rwu)
0024 C8               72           db   200                   ;; Power requirement (div 2 ma)
                      73     
                      74     ;; Interface Descriptor
0025 09               75           db   DSCR_INTRFC_LEN      ;; Descriptor length
0026 04               76           db   DSCR_INTRFC          ;; Descriptor type
0027 00               77           db   0                    ;; Zero-based index of this interface
0028 00               78           db   0                    ;; Alternate setting
0029 02               79           db   2                    ;; Number of end points 
002A FF               80           db   0ffH                 ;; Interface class
002B 00               81           db   00H                  ;; Interface sub class
002C 00               82           db   00H                  ;; Interface sub sub class
002D 00               83           db   0                    ;; Interface descriptor string index
                      84           
                      85     ;; Endpoint Descriptor
002E 07               86           db   DSCR_ENDPNT_LEN      ;; Descriptor length
002F 05               87           db   DSCR_ENDPNT          ;; Descriptor type
0030 02               88           db   02H                  ;; Endpoint number, and direction
0031 02               89           db   ET_BULK              ;; Endpoint type
0032 00               90           db   00H                  ;; Maximum packet size (LSB)
0033 02               91           db   02H                  ;; Maximum packet size (MSB)
0034 00               92           db   00H                  ;; Polling interval
                      93     
                      94     
                      95     ;; Endpoint Descriptor
0035 07               96           db   DSCR_ENDPNT_LEN      ;; Descriptor length
0036 05               97           db   DSCR_ENDPNT          ;; Descriptor type
0037 86               98           db   86H                  ;; Endpoint number, and direction
0038 02               99           db   ET_BULK              ;; Endpoint type
0039 00              100           db   00H                  ;; Maximum packet size (LSB)
003A 02              101           db   02H                  ;; Maximum packet size (MSB)
003B 00              102           db   00H                  ;; Polling interval
                     103     
003C                 104     HighSpeedConfigDscrEnd:   
                     105     
003C                 106     FullSpeedConfigDscr:   
003C 09              107           db   DSCR_CONFIG_LEN      ;; Descriptor length
003D 02              108           db   DSCR_CONFIG          ;; Descriptor type
003E 20              109           db   (FullSpeedConfigDscrEnd-FullSpeedConfigDscr) mod 256 ;; Total Length (LSB)
003F 00              110           db   (FullSpeedConfigDscrEnd-FullSpeedConfigDscr)  /  256 ;; Total Length (MSB)
0040 01              111           db   1                    ;; Number of interfaces
0041 01              112           db   1                    ;; Configuration number
0042 00              113           db   0                    ;; Configuration string
0043 80              114           db   10000000b            ;; Attributes (b7 - buspwr, b6 - selfpwr, b5 - rwu)
0044 C8              115           db   200                   ;; Power requirement (div 2 ma)
                     116     
                     117     ;; Interface Descriptor
0045 09              118           db   DSCR_INTRFC_LEN      ;; Descriptor length
0046 04              119           db   DSCR_INTRFC          ;; Descriptor type
0047 00              120           db   0                    ;; Zero-based index of this interface
0048 00              121           db   0                    ;; Alternate setting
0049 02              122           db   2                    ;; Number of end points