dscr.a51

linux下数据下载器的设计与实现

;-----------------------------------------------------------------------------
; File:       dscr.a51
; Contents:   This file contains descriptor data tables.  
;
;--------------------------------------------------------------------------


$include (fx2_intvec.inc)
   
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 
public      DscrEnd, VendorOffset, Str3Offset, HighSpeedConfigLen
public      DeviceDscrOffset, DeviceQualDscrOffset, HighSpeedConfigDscrOffset 
public      DscrEndOffset, DscrVIDOffset


$if	(HID)
public	    HIDDscrOffset, HIDReportDscrOffset, HIDReportDscrLen, HIDIntrfcDscr, HIDIntrfcDscrOffset
public		HIDDscr
$endif

;-----------------------------------------------------------------------------
; Global Variables
;-----------------------------------------------------------------------------
      CSEG at DESC_VEC       ; 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

DscrVID:
      dw   0B604H            ; Vendor ID (4b4)
      dw   1746H             ; Product ID - set to new id = NX2LP
      dw   0200H             ; Product version ID [RevH RevL Major Minor]
Str3:
      db   1	             ; Manufacturer string index
      db   2                 ; Product string index
      db   3                 ; Serial number string index
      db   1                 ; Number of configurations

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)
$if (HID)
      db   2                 ; Number of interfaces
$else
      db   1                 ; Number of interfaces
$endif
      db   1                 ; Configuration number
      db   0                 ; Configuration string
      db   10000000b         ; Attributes (b7 - buspwr, b6 - selfpwr, b5 - rwu)
      db   50                ; 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   2                 ; Number of end points 
Vendor:
      db   08H               ; Interface class - vendor specific for mfgMode
      db   06H               ; Interface sub class
      db   50H               ; 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   84H               ; 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

$if (HID)
HIDIntrfcDscr:               ; HID Interface Descriptor
      db   DSCR_CONFIG_LEN	 ; Descriptor length
      db   DSCR_INTRFC   	 ; Descriptor type
      db   1      			 ; Zero-based index of this interface
      db   0      			 ; Alternate setting
      db   1      			 ; Number of end points 
      db   03H      		 ; Interface class (HID)
      db   00H      		 ; Interface sub class
      db   00H      		 ; Interface sub sub class
      db   0      			 ; Interface descriptor string index
HIDDscr:
      db   09h               ; length
      db   21h               ; type: HID
      db   010h,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   (HIDReportDscrEnd - HIDReportDscr)mod 256 ; length of HID descriptor
      db   (HIDReportDscrEnd - HIDReportDscr)/256 ; length of HID descriptor
HIDDscrEnd:

InterruptEPDscr:
      db   DSCR_ENDPNT_LEN   ; Descriptor length
      db   DSCR_ENDPNT       ; Descriptor type
      db   81H               ; Endpoint number, and direction
      db   ET_INT            ; Endpoint type
      db   04H               ; Maximun packet size (LSB)
      db   00H               ; Max packect size (MSB)
      db   0AH               ; Polling interval
$endif      
HighSpeedConfigDscrEnd:   

$if	(HID)
    db 0            ; need a byte aligment here
HIDReportDscr:
	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
HIDReportDscrEnd:
$endif

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
DscrEnd:

DeviceDscrOffset          EQU DeviceDscr - DeviceDscr
DeviceQualDscrOffset      EQU DeviceQualDscr - DeviceDscr
HighSpeedConfigDscrOffset EQU HighSpeedConfigDscr - DeviceDscr
DscrEndOffset             EQU DscrEnd - DeviceDscr
DscrVIDOffset             EQU DscrVID - DeviceDscr
Str3Offset                EQU Str3 - DeviceDscr
VendorOffset              EQU Vendor - DeviceDscr
HighSpeedConfigLen        EQU HighSpeedConfigDscrEnd-HighSpeedConfigDscr

$if	HID
HIDDscrOffset		      EQU HIDDscr - DeviceDscr
HIDReportDscrLen 	      EQU HIDReportDscrEnd - HIDReportDscr
HIDIntrfcDscrOffset       EQU HIDDscr - DeviceDscr
HIDReportDscrOffset	      EQU HIDReportDscr - DeviceDscr
$endif

end