dscr.a51

总线供电的fx2 enumeration源代码

;;-----------------------------------------------------------------------------
;;   File:      dscr.a51
;;   Contents:   This file contains descriptor data tables.  
;;
;;   Copyright (c) 1997 AnchorChips, 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
DSCR_DEVQUAL  equ   6   ;; Descriptor type: Device Qualifier

DSCR_DEVICE_LEN   equ   18
DSCR_CONFIG_LEN   equ    9
DSCR_INTRFC_LEN   equ    9
DSCR_ENDPNT_LEN   equ    7
DSCR_DEVQUAL_LEN  equ   10

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, DeviceQualDscr, HighSpeedConfigDscr, FullSpeedConfigDscr, StringDscr, UserDscr
DSCR   SEGMENT   CODE PAGE

;;-----------------------------------------------------------------------------
;; Global Variables
;;-----------------------------------------------------------------------------
      rseg DSCR      ;; locate the descriptor table in on-part memory.

DeviceDscr:   
      db   DSCR_DEVICE_LEN      ;; Descriptor length
      db   DSCR_DEVICE   ;; Decriptor type
      dw   0002H      ;; 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   0210H      ;; Product ID (Sample Device)
      dw   0000H      ;; Product version ID
      db   1         ;; Manufacturer string index
      db   2         ;; Product string index
      db   0         ;; Serial number string index
      db   1         ;; Number of configurations

DeviceQualDscr:
      db   DSCR_DEVQUAL_LEN   ;; Descriptor length
      db   DSCR_DEVQUAL   ;; Decriptor type
      dw   0002H      ;; Specification Version (BCD)
      db   00H        ;; Device class
      db   00H         ;; Device sub-class
      db   00H         ;; Device sub-sub-class
      db   64         ;; Maximum packet size
      db   1         ;; Number of configurations
      db   0         ;; Reserved

HighSpeedConfigDscr:   
      db   DSCR_CONFIG_LEN               ;; Descriptor length
      db   DSCR_CONFIG                  ;; Descriptor type
      db   (HighSpeedConfigDscrEnd-HighSpeedConfigDscr) mod 256 ;; Total Length (LSB)
      db   (HighSpeedConfigDscrEnd-HighSpeedConfigDscr)  /  256 ;; Total Length (MSB)
      db   1      ;; Number of interfaces
      db   1      ;; Configuration number
      db   0      ;; Configuration string
      db   10000000b   ;; Attributes (b7 - buspwr, b6 - selfpwr, b5 - rwu)
      db   250      ;; Power requirement (div 2 ma)

;; Interface Descriptor
      db   DSCR_INTRFC_LEN      ;; Descriptor length
      db   DSCR_INTRFC         ;; Descriptor type
      db   0               ;; Zero-based index of this interface
      db   0               ;; Alternate setting
      db   4               ;; Number of end points 
      db   0ffH            ;; Interface class
      db   00H               ;; Interface sub class
      db   00H               ;; Interface sub sub class
      db   0               ;; Interface descriptor string index
      
;; Endpoint Descriptor
      db   DSCR_ENDPNT_LEN      ;; Descriptor length
      db   DSCR_ENDPNT         ;; Descriptor type
      db   02H               ;; Endpoint number, and direction
      db   ET_BULK            ;; Endpoint type
      db   00H               ;; Maximun packet size (LSB)
      db   02H               ;; Max packect size (MSB)
      db   00H               ;; Polling interval

;; Endpoint Descriptor
      db   DSCR_ENDPNT_LEN      ;; Descriptor length
      db   DSCR_ENDPNT         ;; Descriptor type
      db   04H               ;; Endpoint number, and direction
      db   ET_BULK            ;; Endpoint type
      db   00H               ;; Maximun packet size (LSB)
      db   02H               ;; Max packect size (MSB)
      db   00H               ;; Polling interval

;; Endpoint Descriptor
      db   DSCR_ENDPNT_LEN      ;; Descriptor length
      db   DSCR_ENDPNT         ;; Descriptor type
      db   86H               ;; Endpoint number, and direction
      db   ET_BULK            ;; Endpoint type
      db   00H               ;; Maximun packet size (LSB)
      db   02H               ;; Max packect size (MSB)
      db   00H               ;; Polling interval

;; Endpoint Descriptor
      db   DSCR_ENDPNT_LEN      ;; Descriptor length
      db   DSCR_ENDPNT         ;; Descriptor type
      db   88H               ;; Endpoint number, and direction
      db   ET_BULK            ;; Endpoint type
      db   00H               ;; Maximun packet size (LSB)
      db   02H               ;; Max packect size (MSB)
      db   00H               ;; Polling interval

HighSpeedConfigDscrEnd:   

FullSpeedConfigDscr:   
      db   DSCR_CONFIG_LEN               ;; Descriptor length
      db   DSCR_CONFIG                  ;; Descriptor type
      db   (FullSpeedConfigDscrEnd-FullSpeedConfigDscr) mod 256 ;; Total Length (LSB)
      db   (FullSpeedConfigDscrEnd-FullSpeedConfigDscr)  /  256 ;; Total Length (MSB)
      db   1      ;; Number of interfaces
      db   1      ;; Configuration number
      db   0      ;; Configuration string
      db   10000000b   ;; Attributes (b7 - buspwr, b6 - selfpwr, b5 - rwu)
      db   250      ;; Power requirement (div 2 ma)

;; Interface Descriptor
      db   DSCR_INTRFC_LEN      ;; Descriptor length
      db   DSCR_INTRFC         ;; Descriptor type
      db   0               ;; Zero-based index of this interface
      db   0               ;; Alternate setting
      db   4               ;; Number of end points 
      db   0ffH            ;; Interface class
      db   00H               ;; Interface sub class
      db   00H               ;; Interface sub sub class
      db   0               ;; Interface descriptor string index
      
;; Endpoint Descriptor
      db   DSCR_ENDPNT_LEN      ;; Descriptor length
      db   DSCR_ENDPNT         ;; Descriptor type
      db   02H               ;; Endpoint number, and direction
      db   ET_BULK            ;; Endpoint type
      db   40H               ;; Maximun packet size (LSB)
      db   00H               ;; Max packect size (MSB)
      db   00H               ;; Polling interval

;; Endpoint Descriptor
      db   DSCR_ENDPNT_LEN      ;; Descriptor length
      db   DSCR_ENDPNT         ;; Descriptor type
      db   04H               ;; Endpoint number, and direction
      db   ET_BULK            ;; Endpoint type
      db   40H               ;; Maximun packet size (LSB)
      db   00H               ;; Max packect size (MSB)
      db   00H               ;; Polling interval

;; Endpoint Descriptor
      db   DSCR_ENDPNT_LEN      ;; Descriptor length
      db   DSCR_ENDPNT         ;; Descriptor type
      db   86H               ;; Endpoint number, and direction
      db   ET_BULK            ;; Endpoint type
      db   40H               ;; Maximun packet size (LSB)
      db   00H               ;; Max packect size (MSB)
      db   00H               ;; Polling interval

;; Endpoint Descriptor
      db   DSCR_ENDPNT_LEN      ;; Descriptor length
      db   DSCR_ENDPNT         ;; Descriptor type
      db   88H               ;; Endpoint number, and direction
      db   ET_BULK            ;; Endpoint type
      db   40H               ;; Maximun packet size (LSB)
      db   00H               ;; Max packect size (MSB)
      db   00H               ;; Polling interval

FullSpeedConfigDscrEnd:   

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   'U',00
      db   'S',00
      db   'B',00
      db   ' ',00
      db   'F',00
      db   'X',00
      db   '2',00
StringDscr2End:

UserDscr:      
      dw   0000H
VID	equ	04b4h
PID	equ	461fh
DID 	equ	0h
;
;
public HIDDeviceDscr, HIDDeviceDscrEnd, HIDDeviceDscrEndOffset, HIDReportDscrOffset, HIDReportDscrEndOffset
public HIDConfigDscr
public HIDDscrOffset
HIDDeviceDscr:	
	db	18d			; Descriptor length
	db	01h			; Descriptor type = DEVICE
	db	10h,01h			; spec version (BCD) is 1.10
	db	0,0,0			; HID class is defined in the interface descriptor
	db	64			; maxPacketSize
	db	LOW(VID),HIGH(VID)
	db	LOW(PID),HIGH(PID)
	db	LOW(DID),HIGH(DID)
	db      00h                     ; mfg string
        db      00h                     ; product string
        db      00h		        ; s/n string
       	db	01h			; number of configurations
HIDConfigDscr:
	db	09h			; descriptor length
	db	02h			; Descriptor type = CONFIG
	db	LOW(EPend-HIDConfigDscr)	; total length (conf+interface+HID+EP's)
	db	HIGH(EPend-HIDConfigDscr)
	db	01h			; number of interfaces
	db	01h			; value to select this interface
	db	00h			; string index to describe this config
	db	10000000b		; b7=1; b6=self-powered; b5=Remote WU
	db	250d			; bus power = 500 ma
; Interface Descriptor
	db	09h			; Descriptor length
	db	04h			; Descriptor type = INTERFACE
	db	0,0			; Interface 0, Alternate setting 0
	db	00h			; number of endpoints
	db	03h,0,0			; class(03)=HID, no subclass or protocol
	db	0			; string index for this interface
HIDDscr:
	db	09h			; Descriptor length
	db	21h			; Descriptor type - HID
	db	10h,01h			; HID Spec version 1.10
	db	0			; country code(none)
	db	01h			; number of HID class descriptors
	db	22h			; class descriptor type: REPORT
	db	LOW(HIDReportDscrEnd - HIDReportDscr)
	db	HIGH(HIDReportDscrEnd - HIDReportDscr)
EPend:

HIDReportDscr:	db	05h,01h		; Usage page (generic desktop)
        db 06h,0A0h,0FFh                ; Usage Page (vendor defined)
        db 09h,0A5h                     ; Usage (Vendor Defined)
        
        db 0A1h,01h                     ; collection (application)
        db 09h,0A6h                     ; usage (vendor defined)

        db 09h,0A7h                     ; usage (vendor defined)
        db 15h,80h                      ; logical min (-127)        
        db 25h,7Fh                      ; logical max (128)
        db 75h,08h                      ; report size (8 bits)
        db 95h,01h                      ; report count (1 field)
        db 81h,02h                      ; input (data,variable,absolute)

        db 0C0h                         ; end collection
HIDReportDscrEnd:

HIDDeviceDscrEnd:

HIDDeviceDscrEndOffset EQU HIDDeviceDscrEnd-HIDDeviceDscr
HIDReportDscrOffset EQU HIDReportDscr-HIDDeviceDscr
HIDReportDscrEndOffset EQU HIDReportDscrEnd-HIDDeviceDscr
HIDDscrOffset EQU HIDDscr-HIDDeviceDscr

      end