pc104.h

嵌入式处理器

/*
 * pc104.h
 *
 *  
 *
 * Author: wbin <[e-mail]>
 * Date  : $Date: 2007/01/08 $ 
 *
 * $Revision: 1.0.0.1 $
 *
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file COPYING in the main directory of this archive
 * for more details.
 */
 
#ifndef __PC104_H__
#define __PC104_H__
enum {
UPPC104_IOCTL_WRB =1,
UPPC104_IOCTL_WRW,
UPPC104_IOCTL_RDB,
UPPC104_IOCTL_RDW,
UPPC104_IOCTL_BUSWIDTH,
//other IOCTL commands
};

#define BUSWIDTH_8BIT	(0x01)
#define BUSWIDTH_16BIT	(0x02)

#define PC104_DEV		"/dev/pc104/0"

extern int pc104_fd;

typedef struct {
	unsigned int addr;			//接口板的偏移地址
	unsigned int data;			//数据指针
	unsigned int buswidth;		//总线宽度
	unsigned int len;			//数据长度
	void * priv;
}UPPC104, *PUPPC104;

void set_buswidth(int width);
void arm104_write16(PUPPC104 pwr);
void arm104_write8(PUPPC104 pwr);
int arm104_read16(PUPPC104 prd);
int arm104_read8(PUPPC104 prd);

#endif  //__PC104_H__