2008.h

使用ATMEGA128加CH375对U盘扇区进行读写,本程序在ICCAVR上调试,并在相应硬件电路上调试通过!供参考用

#include <iom128v.h>
#include <macros.h>
#define uchar unsigned char // 0~255
#define uint  unsigned int   // 0~65535
#define  SetRST	 PORTB = PORTB | 0x40;            //RS = 1
#define  ClrRST	 PORTB = PORTB & 0xBF;          // RS = 0

#define  SetRD	 PORTD = PORTD | 0x20;         //r/w = 1  PD5
#define  ClrRD	 PORTD = PORTD & 0xDF;         //r/w = 0

#define  SetCS	 PORTD = PORTD | 0x40;        //e = 1
#define  ClrCS	 PORTD = PORTD & 0xBF;        //e = 0

#define  SetRS   PORTE = PORTE | 0x01;
#define  ClrRS   PORTE = PORTE & 0xFE;

#define  SetWR   PORTD = PORTD | 0x80;
#define  ClrWR   PORTD = PORTD & 0x7F;