📄 dscr.lst
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A51 MACRO ASSEMBLER DSCR 07/31/2007 11:33:28 PAGE 1
MACRO ASSEMBLER A51 V7.02
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 ;;-----------------------------------------------------------------------------;;----------
-------------------------------------------------------------------
0001 4 DSCR_DEVICE equ 1 ;; Descriptor type: Device
0002 5 DSCR_CONFIG equ 2 ;; Descriptor type: Configuration
0003 6 DSCR_STRING equ 3 ;; Descriptor type: String
0004 7 DSCR_INTRFC equ 4 ;; Descriptor type: Interface
0005 8 DSCR_ENDPNT equ 5 ;; Descriptor type: Endpoint
0006 9 DSCR_DEVQUAL equ 6 ;; Descriptor type: Device Qualifier
10
0012 11 DSCR_DEVICE_LEN equ 18
0009 12 DSCR_CONFIG_LEN equ 9
0009 13 DSCR_INTRFC_LEN equ 9
0007 14 DSCR_ENDPNT_LEN equ 7
000A 15 DSCR_DEVQUAL_LEN equ 10
16
0000 17 ET_CONTROL equ 0 ;; Endpoint type: Control
0001 18 ET_ISO equ 1 ;; Endpoint type: Isochronous
0002 19 ET_BULK equ 2 ;; Endpoint type: Bulk
0003 20 ET_INT equ 3 ;; Endpoint type: Interrupt
21
22 public DeviceDscr, DeviceQualDscr, HighSpeedConfigDscr, FullSpeedConfigDscr, StringDsc
r, UserDscr
23
24 DSCR SEGMENT CODE PAGE
25
26 ;;-----------------------------------------------------------------------------
27 ;; Global Variables
28 ;;-----------------------------------------------------------------------------
---- 29 rseg DSCR ;; locate the descriptor table in on-part memory.
30
0000 31 DeviceDscr:
0000 12 32 db DSCR_DEVICE_LEN ;; Descriptor length
0001 01 33 db DSCR_DEVICE ;; Decriptor type
0002 0002 34 dw 0002H ;; Specification Version (BCD)
0004 00 35 db 00H ;; Device class
0005 00 36 db 00H ;; Device sub-class
0006 00 37 db 00H ;; Device sub-sub-class
0007 40 38 db 64 ;; Maximum packet size
0008 B404 39 dw 0B404H ;; Vendor ID
000A 0410 40 dw 0410H ;; Product ID (Sample Device)
000C 0000 41 dw 0000H ;; Product version ID
000E 01 42 db 1 ;; Manufacturer string index
000F 02 43 db 2 ;; Product string index
0010 00 44 db 0 ;; Serial number string index
0011 01 45 db 1 ;; Number of configurations
46
0012 47 DeviceQualDscr:
0012 0A 48 db DSCR_DEVQUAL_LEN ;; Descriptor length
0013 06 49 db DSCR_DEVQUAL ;; Decriptor type
0014 0002 50 dw 0002H ;; Specification Version (BCD)
0016 00 51 db 00H ;; Device class
0017 00 52 db 00H ;; Device sub-class
0018 00 53 db 00H ;; Device sub-sub-class
0019 40 54 db 64 ;; Maximum packet size
001A 01 55 db 1 ;; Number of configurations
001B 00 56 db 0 ;; Reserved
A51 MACRO ASSEMBLER DSCR 07/31/2007 11:33:28 PAGE 2
57
001C 58 HighSpeedConfigDscr:
001C 09 59 db DSCR_CONFIG_LEN ;; Descriptor length
001D 02 60 db DSCR_CONFIG ;; Descriptor type
001E 3C 61 db (HighSpeedConfigDscrEnd-HighSpeedConfigDscr) mod 256 ;; Total Length (LSB)
001F 00 62 db (HighSpeedConfigDscrEnd-HighSpeedConfigDscr) / 256 ;; Total Length (MSB)
0020 01 63 db 1 ;; Number of interfaces
0021 01 64 db 1 ;; Configuration number
0022 00 65 db 0 ;; Configuration string
0023 80 66 db 10000000b ;; Attributes (b7 - buspwr, b6 - selfpwr, b5 - rwu)
0024 64 67 db 100 ;; Power requirement (div 2 ma)
68
69 ;; Interface Descriptor
0025 09 70 db DSCR_INTRFC_LEN ;; Descriptor length
0026 04 71 db DSCR_INTRFC ;; Descriptor type
0027 00 72 db 0 ;; Zero-based index of this interface
0028 00 73 db 0 ;; Alternate setting
0029 06 74 db 6 ;; Number of end points
002A FF 75 db 0ffH ;; Interface class
002B 00 76 db 00H ;; Interface sub class
002C 00 77 db 00H ;; Interface sub sub class
002D 00 78 db 0 ;; Interface descriptor string index
79
80 ;; Endpoint Descriptor
002E 07 81 db DSCR_ENDPNT_LEN ;; Descriptor length
002F 05 82 db DSCR_ENDPNT ;; Descriptor type
0030 02 83 db 02H ;; Endpoint number, and direction
0031 02 84 db ET_BULK ;; Endpoint type
0032 00 85 db 00H ;; Maximun packet size (LSB)
0033 02 86 db 02H ;; Max packect size (MSB)
0034 00 87 db 00H ;; Polling interval
88
89 ;; Endpoint Descriptor
0035 07 90 db DSCR_ENDPNT_LEN ;; Descriptor length
0036 05 91 db DSCR_ENDPNT ;; Descriptor type
0037 04 92 db 04H ;; Endpoint number, and direction
0038 02 93 db ET_BULK ;; Endpoint type
0039 00 94 db 00H ;; Maximun packet size (LSB)
003A 02 95 db 02H ;; Max packect size (MSB)
003B 00 96 db 00H ;; Polling interval
97
98 ;; Endpoint Descriptor
003C 07 99 db DSCR_ENDPNT_LEN ;; Descriptor length
003D 05 100 db DSCR_ENDPNT ;; Descriptor type
003E 86 101 db 86H ;; Endpoint number, and direction
003F 02 102 db ET_BULK ;; Endpoint type
0040 00 103 db 00H ;; Maximun packet size (LSB)
0041 02 104 db 02H ;; Max packect size (MSB)
0042 00 105 db 00H ;; Polling interval
106
107 ;; Endpoint Descriptor
0043 07 108 db DSCR_ENDPNT_LEN ;; Descriptor length
0044 05 109 db DSCR_ENDPNT ;; Descriptor type
0045 88 110 db 88H ;; Endpoint number, and direction
0046 02 111 db ET_BULK ;; Endpoint type
0047 00 112 db 00H ;; Maximun packet size (LSB)
0048 02 113 db 02H ;; Max packect size (MSB)
0049 00 114 db 00H ;; Polling interval
115
116 ;;Endpoint Descriptor mydefined 1 out 放在前面或后面不一样，现在是pipe4,前面是pipe0
004A 07 117 db DSCR_ENDPNT_LEN
004B 05 118 db DSCR_ENDPNT
004C 01 119 db 01H ;;PC->device
004D 02 120 db ET_BULK
004E 40 121 db 40H
004F 00 122 db 00H
A51 MACRO ASSEMBLER DSCR 07/31/2007 11:33:28 PAGE 3
0050 00 123 db 00H
124
125 ;;Endpoint Descriptor mydefined 1 in
0051 07 126 db DSCR_ENDPNT_LEN
0052 05 127 db DSCR_ENDPNT
0053 81 128 db 81H ;;device->PC
0054 02 129 db ET_BULK
0055 40 130 db 40H
0056 00 131 db 00H
0057 00 132 db 00H
133
134
0058 135 HighSpeedConfigDscrEnd:
136
0058 137 FullSpeedConfigDscr:
0058 09 138 db DSCR_CONFIG_LEN ;; Descriptor length
0059 02 139 db DSCR_CONFIG ;; Descriptor type
005A 3C 140 db (FullSpeedConfigDscrEnd-FullSpeedConfigDscr) mod 256 ;; Total Length (LSB)
005B 00 141 db (FullSpeedConfigDscrEnd-FullSpeedConfigDscr) / 256 ;; Total Length (MSB)
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