📄 dscr.lst
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A51 MACRO ASSEMBLER DSCR 05/16/2006 23:11:08 PAGE 1
MACRO ASSEMBLER A51 V7.10
OBJECT MODULE PLACED IN DSCR.OBJ
ASSEMBLER INVOKED BY: d:\Program\Keil\C51\BIN\A51.EXE DSCR.A51 NOMOD51 SET(SMALL
) DEBUG PAGEWIDTH(80) 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 right
s reserved
6 ;;-------------------------------------------------
----------------------------
7
0001 8 DSCR_DEVICE equ 1 ;; Descriptor type: Device
0002 9 DSCR_CONFIG equ 2 ;; Descriptor type: Configu
ration
0003 10 DSCR_STRING equ 3 ;; Descriptor type: String
0004 11 DSCR_INTRFC equ 4 ;; Descriptor type: Interfa
ce
0005 12 DSCR_ENDPNT equ 5 ;; Descriptor type: Endpoin
t
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: Isochronou
s
0002 23 ET_BULK equ 2 ;; Endpoint type: Bulk
0003 24 ET_INT equ 3 ;; Endpoint type: Interrupt
25
26 public DeviceDscr, DeviceQualDscr, HighSpeedCo
nfigDscr, FullSpeedConfigDscr, StringDscr, 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 lengt
h
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
A51 MACRO ASSEMBLER DSCR 05/16/2006 23:11:08 PAGE 2
0008 7360 43 dw 7360H ;; Vendor ID // 产品 ID
44 ;dw 4705H ;; Vendor ID
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
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 ;; Descrip
tor length
001D 02 65 db DSCR_CONFIG ;; Descript
or type
001E 2E 66 db (HighSpeedConfigDscrEnd-HighSpeedConfigD
scr) mod 256 ;; Total Length (LSB)
001F 00 67 db (HighSpeedConfigDscrEnd-HighSpeedConfigD
scr) / 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 A0 71 db 10100000b ;; Attributes (b7 - buspwr,
b6 - selfpwr, b5 - rwu)
0024 32 72 db 50 ;; Power requirement (div 2 ma)
73
74 ;; Interface Descriptor
0025 09 75 db DSCR_INTRFC_LEN ;; Descriptor lengt
h
0026 04 76 db DSCR_INTRFC ;; Descriptor type
0027 00 77 db 0 ;; Zero-based index of t
his interface
0028 00 78 db 0 ;; Alternate setting
0029 04 79 db 4 ;; 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 c
lass
002D 00 83 db 0 ;; Interface descriptor
string index
84
85 ;; Endpoint Descriptor
002E 07 86 db DSCR_ENDPNT_LEN ;; Descriptor lengt
h
002F 05 87 db DSCR_ENDPNT ;; Descriptor type
0030 02 88 db 02H ;; Endpoint number, an
d direction
0031 02 89 db ET_BULK ;; Endpoint type
0032 00 90 db 00H ;; Maximun packet size
(LSB)
0033 02 91 db 02H ;; Max packect size (M
SB)
0034 00 92 db 00H ;; Polling interval
93
94 ;; Endpoint Descriptor
A51 MACRO ASSEMBLER DSCR 05/16/2006 23:11:08 PAGE 3
0035 07 95 db DSCR_ENDPNT_LEN ;; Descriptor lengt
h
0036 05 96 db DSCR_ENDPNT ;; Descriptor type
0037 04 97 db 04H ;; Endpoint number, an
d direction
0038 02 98 db ET_BULK ;; Endpoint type
0039 00 99 db 00H ;; Maximun packet size
(LSB)
003A 02 100 db 02H ;; Max packect size (M
SB)
003B 00 101 db 00H ;; Polling interval
102
103 ;; Endpoint Descriptor
003C 07 104 db DSCR_ENDPNT_LEN ;; Descriptor lengt
h
003D 05 105 db DSCR_ENDPNT ;; Descriptor type
003E 86 106 db 86H ;; Endpoint number, an
d direction
003F 02 107 db ET_BULK ;; Endpoint type
0040 00 108 db 00H ;; Maximun packet size
(LSB)
0041 02 109 db 02H ;; Max packect size (M
SB)
0042 00 110 db 00H ;; Polling interval
111
112 ;; Endpoint Descriptor
0043 07 113 db DSCR_ENDPNT_LEN ;; Descriptor lengt
h
0044 05 114 db DSCR_ENDPNT ;; Descriptor type
0045 88 115 db 88H ;; Endpoint number, an
d direction
0046 02 116 db ET_BULK ;; Endpoint type
0047 00 117 db 00H ;; Maximun packet size
(LSB)
0048 02 118 db 02H ;; Max packect size (M
SB)
0049 00 119 db 00H ;; Polling interval
120
004A 121 HighSpeedConfigDscrEnd:
122
004A 123 FullSpeedConfigDscr:
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