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USB 的代码
usb.h
#ifndef __USB_H
#define __USB_H
#ifndef u8
#define u8 unsigned char
#endif
#ifndef u16
#define u16 unsigned short
#endif
#ifndef u32
#define u32 unsigned int
#endif
#ifndef s8
#define s8 char
#end
usb.h
/*----------------------------------------------------------------------------
* U S B - K e r n e l
*----------------------------------------------------------------------------
* N
usb.inc
;**********************************************************
; USB Descriptor and Request constants
; source p172,,175 USB specification
;**********************************************************
usb.inc
*********************************************************************************
* usb.inc v1.00 *
* 描述：定义USB的寄存器的映射 *
* 版权(c) 2003- 北京合众达电子技术有限
usb.c
/**************************************************************************************
filename: USB.C
designer: 戴展波
date: 2004/11/01
*********************************************************
usb.h
/*********************************************************************************************
filename: USB.h
designer: 戴展波
date: 2004/11/01
**************************************************
usb.h
/****************************************************************
NAME: usb.h
DESC: definitions(USB data structure) for USB setup operation.
Because It's h/w independent file, it may be us
usb.h
void __irq usb_isr(void);
unsigned char read_usb(unsigned char adr);
void write_usb(unsigned char adr,unsigned char dat);
void init_usb(void);
usb.h
/****************************************************************
NAME: usb.h
DESC: definitions(USB data structure) for USB setup operation.
Because It's h/w independent file, it may be us