usb.inc

来自「这是使用CYPRESS的7C637xx芯片完成USB鼠标的例子。」· INC 代码 · 共 95 行

;**********************************************************
; USB Descriptor and Request constants
;	source p172,,175 USB specification
;**********************************************************


;	Characterists of bmRequest Value
;
; D7	Data xfer direction
;	0 = Host to device
;	1 = Device to host
;
; D6..5	Type
;	0 = Standard
;	1 = Class
;	2 = Vendor
;	3 = Reserved
;
; D4..0	Recipient
;	0 = Device
;	1 = Interface
;	2 = Endpoint
;	3 = Other
;	4..31 = Reserved


;**************************************
; bmRequestType
HOSTTODEVICE:			equ	00h
DEVICETOHOST:			equ	80h

STANDARD_TYPE:			equ	00h
CLASS_TYPE: 			equ	20h
VENDOR_TYPE:			equ	40h
RESERVED_TYPE:			equ	60h

DEVICE_RECIPIENT:		equ	00h
INTERFACE_RECIPIENT:		equ	01h
ENDPOINT_RECIPIENT:		equ	02h
OTHER_RECIPIENT:		equ	03h

;**************************************
; bRequest
GET_STATUS:			equ	00h
CLEAR_FEATURE:			equ	01h
SET_FEATURE:			equ	03h
SET_ADDRESS:			equ	05h
GET_DESCRIPTOR:			equ	06h
SET_DESCRIPTOR:			equ	07h
GET_CONFIGURATION:		equ	08h
SET_CONFIGURATION:		equ	09h
GET_INTERFACE:			equ	0Ah
SET_INTERFACE:			equ	0Bh
SYNCH_FRAME:			equ	0Ch


;**************************************
; Descriptor Types
DEVICE:				equ	01h
CONFIGURATION:			equ	02h
STRING:				equ	03h
INTERFACE:			equ	04h
ENDPOINT:			equ	05h

;**************************************
; Feature Selectors
DEVICE_REMOTE_WAKEUP:		equ	01h
ENDPOINT_STALL:			equ	00h

;**************************************
; HID Class Request Types
GET_REPORT:			equ	01h
GET_IDLE:			equ	02h
GET_PROTOCOL:			equ	03h
SET_REPORT:			equ	09h
SET_IDLE:			equ	0Ah
SET_PROTOCOL:			equ	0Bh

;**************************************
; HID report formats
HID_BOOT:			equ	00h
HID_REPORT:			equ	01h

;**************************************
; ENDPOINT 0 SETUP REQUEST FIELDS
BMREQUESTTYPE:			equ	00h
BREQUEST:			equ	01h
WVALUELO:			equ	02h
WVALUEHI:			equ	03h
WINDEXLO:			equ	04h
WINDEXHI:			equ	05h
WLENGTHLO:			equ	06h
WLENGTHHI:			equ	07h