usbfifo.inc

USB接口的键盘

USB_REG_Bank	equ		1
FIFO_size		equ		8
USB_ADDR_WAKE	equ		42H
USB_STALL		equ		43H
USB_MISC		equ		46H
	@USB_Req	equ		0
    @USB_Tx     EQU     1       ;0:Read FIFO/1:Write FIFO
    @USB_Clear  EQU     2       ;0:None clear FIFO/1:Clear FIFO
    @USB_SelP   EQU     3       ;0:Select FIFO 0/1:Select FIFO1
	@USB_Setup	equ		5
    @USB_Ready  EQU     6       ;0:FIFO none ready/1:FIFO ready to access
    @USB_Len0   EQU     7       ;0:None 0 length/1:Have a 0 length
USB_FIFO0 		equ		48H
USB_FIFO1 		equ		49H
USB_FIFO2 		equ		4AH
USB_FIFO3 		equ		4BH



;I/O def
Int_reg			equ		[1bh]
@int0			equ		0
@int1			equ		1
@int2			equ		2
@int3			equ		3
FIFO_w_c_b		equ		[1bh].7


CLK_ctrl_reg	equ		[1ch]
regulator_off	equ		[1ch].4
on_usb_clk		equ		[1ch].3


suspend_line		equ		[1ah].0
wakeup_line			equ		[1ah].1
chk_usb_reset_event	equ		[1ah].2
resume_line			equ		[1ah].3



DELAYTIME		equ			0c4h
LAND_ID_H		EQU		004H
LAND_ID_L		EQU		009H