dscr.a51

EZ-USB Mouse的源码 EZ-USB Mouse的源码

;;-----------------------------------------------------------------------------
;;	File:		dscr.a51
;;	Contents:	This file contains descriptor data for sample mouse descriptor tables.  
;;
;;	Copyright (c) 2001 Cypress Semiconductor, Inc. All rights reserved
;;-----------------------------------------------------------------------------

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

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, ConfigDscr, StringDscr, UserDscr, HIDDscr, ReportDscr, ReportDscrEnd

DSCR	SEGMENT	CODE

;;-----------------------------------------------------------------------------
;; Global Variables
;;-----------------------------------------------------------------------------
;; Note: This segment must be located in on-part memory.
		rseg DSCR		;; locate the descriptor table anywhere below 8K
DeviceDscr:	db	deviceDscrEnd-DeviceDscr		;; Descriptor length
		db	DSCR_DEVICE	;; Decriptor type
		dw	0001H		;; Specification Version (BCD)
		db	00H  		;; Device class
		db	00H		;; Device sub-class
		db	00H		;; Device sub-sub-class
		db	64		;; Maximum packet size
		dw	4705H		;; Vendor ID
		dw	2810H		;; Product ID - set to default example ID
		dw	0100H		;; Product version ID
		db	0		;; Manufacturer string index
		db	0		;; Product string index
		db	0		;; Serial number string index
		db	1		;; Number of configurations
deviceDscrEnd:

ConfigDscr:	db	ConfigDscrEnd-ConfigDscr		;; Descriptor length
		db	DSCR_CONFIG	;; Descriptor type
		db	StringDscr-ConfigDscr		;; Configuration + End Points length (LSB)
		db	(StringDscr-ConfigDscr)/256	;; Configuration + End Points length (MSB)
		db	1		;; Number of interfaces
		db	1		;; Interface number
		db	0		;; Configuration string
		db	10100000b	;; Attributes (b7 - buspwr, b6 - selfpwr, b5 - rwu)
		db	0		;; Power requirement (div 2 ma)
ConfigDscrEnd:

IntrfcDscr:
		db	IntrfcDscrEnd-IntrfcDscr		;; Descriptor length
		db	DSCR_INTRFC	;; Descriptor type
		db	0		;; Zero-based index of this interface
		db	0		;; Alternate setting
		db	1		;; Number of end points 
		db	03H		;; Interface class (HID)
		db	01H		;; Boot Interface sub class
		db	02H		;; Interface sub sub class (Mouse)
		db	0		;; Interface descriptor string index
IntrfcDscrEnd:
		
HIDDscr:	
		db	09h		; length
		db	21h		; type: HID
		db	10h,01h		; release: HID class rev 1.1
		db	00h		; country code (none)
		db	01h		; number of HID class descriptors to follow
		db	22h		; report descriptor type (HID)
		db	(ReportDscrEnd-ReportDscr) ; length of HID descriptor
		db	00h
HIDDscrEnd:


EpInDscr:
		db	EpInDscrEnd-EpInDscr		;; Descriptor length
		db	DSCR_ENDPNT	;; Descriptor type
		db	82H		;; Endpoint number, and direction
		db	ET_INT		;; Endpoint type
		db	40H		;; Maximum packet size (LSB)
		db	00H		;; Max packet size (MSB)
		db	01H		;; Polling interval
EpInDscrEnd:

ReportDscr:
	db 05h, 01h     ; 	Usage Page (Generic Desktop),
	db 09h, 02h     ; 	Usage (Mouse),
	db 0A1h, 01h    ; 	Collection (Application),
	db 09h, 01h     ;           Usage (Pointer), 
	db 0A1h, 00h	;	    Collection (Physical),
	db 95h, 03h     ;               Report Count (3),
	db 75h, 01h     ;               Report Size (1),
	db 05h, 09h	;	        Usage Page (Buttons),
	db 19h, 01h	;	        Usage minimum (1)
	db 29h, 03h	;	        Usage maximum (3)
	db 15h, 00h     ;               Logical minimum (0),
	db 25h, 01h     ;               Logical maximum (1),	
	db 81h, 02h     ;               Input (Data, Variable, Absolute), (3 button bits)
	db 95h, 01h     ;               Report Count (1),
	db 75h, 05h     ;               Report Size (5),
	db 81h, 01h     ;               Input (Constant)
	db 75h, 08h	;		Report Size (8)
	db 95h, 02h	;               Report Count (2)              
	db 05h, 01h     ;               Usage Page (Generic Desktop),
	db 09h, 30h     ;               Usage (X),
	db 09h, 31h     ;               Usage (Y),
	db 15h, 81h     ;               Logical Minimum (-127),
	db 25h, 7Fh     ;               Logical Maximum (+127),	
	db 81h, 06h     ;               Input (Data, Variable, Relative), (2 position bytes - X & Y)
	db 0C0h         ;            End Collection
	db 0C0h         ;        End Collection
ReportDscrEnd:

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	'C',00
		db	'y',00
		db	'p',00
		db	'r',00
		db	'e',00
		db	's',00
		db	's',00
StringDscr1End:

StringDscr2:	
		db	StringDscr2End-StringDscr2		;; Descriptor length
		db	DSCR_STRING
		db	'E',00
		db	'Z',00
		db	'-',00
		db	'M',00
		db	'o',00
		db	'u',00
		db	's',00
		db	'e',00
StringDscr2End:

UserDscr:		
		dw	0000H
		end