main.h

提供DataFlash（AT45DB041）的底层读写驱动函数

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

Name: main.h
Func: Data type,constant and something else.
*********************************************/

#include <reg51.h>

//----------for YM1602C-------------
#define LCD_DataPort P2
sbit LCD_RS=P3^4;  //寄存器(数据/指令)选择信号
sbit LCD_RW=P3^5;  //读写选择
sbit LCD_E =P3^7;  //数据动作触发

//----------for AT45DB041-----------
sbit AT45DB041_SI=P1^1;
sbit AT45DB041_SO=P1^0;
sbit AT45DB041_SCK=P1^2;
sbit AT45DB041_CS=P1^3;

/*    DATA TYPE    */
#define tByte unsigned char
#define tWord unsigned int
#define tLong unsigned long