__hal.h

C语言版的USB单片机固件源代码

//===================================================================//
//     Project Name : ZBoard
//      Module Name : Master Firmware Program
//     Product Type : License
//      OS/Dev Tool : AT89C52, uVision 2
//  Original Author : Ray Yang
//     Organization : YBWork.com
//    Original Date : July, 25, 2001
//             Addr : Room 402, No. 131, Meilong No. 9
//              TEL : [phone]
//            EMail : [e-mail]
//          Website : http://www.ybwork.com
//		  Copyright : Copyright (L) YBWork.com, 2001
//         Comments : 
//                    
//					<< History >> 
//					July, 25, 2001		The first release
//===================================================================//

#ifndef __HAL_H__
#define __HAL_H__

#include <AT89X52.H>

#define portbase			0

#define IC_D12_COMMAND		(portbase + 1)
#define IC_D12_DATA			portbase

#define DATA_BUS			P0

sbit IC_D12_WR	= P3^6;
sbit IC_D12_RD	= P3^7;
sbit IC_D12_A0	= P1^6;
sbit D12SUSPD	= P1^7;

#define IO_LED				P1_0

#define ENABLE_D12			P1 &= 0xf1
#define DISABLE_D12			P1 |= 0x0e

#define ENABLE_FLASH		P1 &= 0xf1; P1 |= 0x02
#define DISABLE_FLASH		P1 |= 0x0e

void outportb(unsigned short nPort, unsigned char nVal);
unsigned char inportb(unsigned short nPort);

void Delay(unsigned char nFactor);
void DelayMs(unsigned char nFactor);

#endif /*__HAL_H__*/