usbdev.h

来自「周立功magic2410实验箱源码 第6章Linux高级实验(part1) 」· C头文件 代码 · 共 88 行

/****************************************Copyright (c)**************************************************
**                               Guangzhou ZHIYUAN electronics Co.,LTD.
**                                     
**                                 http://www.zyinside.com
**
**--------------File Info-------------------------------------------------------------------------------
** File Name: 				usbdev.h
** Last modified Date: 		2006.01.09
** Last Version:			V1.0		
** Description: 			usbdev.h, S3C2410 USB 设备驱动程序头文件
**                          USB Device Controller Interface command layer header file
**------------------------------------------------------------------------------------------------------
** Created By: 				MingYuan Zheng 郑明远
** Created date: 			2006.01.09
** Version: 				V1.0
** Descriptions:			The original version 初始版本
**
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
** Version:
** Description:
**
********************************************************************************************************/


#ifndef __USBDEV_H
#define __USBDEV_H
#include <linux/ioctl.h>

/******************************************
    宏    定    义
*******************************************/
#define USBDEV_IOC_MAGIC    	    0xd5

#define USBDEV_SET_READ_TIMEOUT	    _IO(USBDEV_IOC_MAGIC,    0)

#define USBDEV_SET_WRITE_TIMEOUT	_IO(USBDEV_IOC_MAGIC,    1)

#define USBDEV_MAXNR                2 /* max command */


/******************************************

	与 Linux 无关的定义

*******************************************/
/************ USB Event Flag Structure *********************/
typedef union _epp_flags
{
	struct _flags
	{
		unsigned bus_reset           	: 1;	//bus reset
		unsigned suspend             	: 1;	//bus suspend change 
		unsigned con_change				: 1;    //connect change
		unsigned setup_packet  	  		: 1;	//receive SETUP packet
		unsigned remote_wakeup		   	: 1;	//remote wakeup
		unsigned in_isr		      		: 1;	//in USB interrupt service program
		unsigned control_state			: 2;	//control endpoint status
													//0: IDLE
													//1: TRANSMIT
													//2: RECEIVE
 		unsigned configuration			: 1;	//usb configured (0: no; 1: yes)
		unsigned command				: 1;	//reserved

	} bits;
	INT16U value;
} EPPFLAGS;



extern EPPFLAGS bEPPflags;

extern INT8U USB_Initialize(void);
extern void USB_ConfigEndpoint(void);
extern void USB_InitSFR(void);


extern void USB_Suspend(void);
extern void USB_BusReset(void);




#endif
/*********************************************************************************************************
**                            End Of File
********************************************************************************************************/