data.c

DataFlash芯片AT45DB081读写程序

#include"typedef.h"

unsigned char _rom And8BitTab[8]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
unsigned char _rom Or8BitTab[8]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
unsigned int _rom And16BitTab[16]={0xfffe,0xfffd,0xfffb,0xfff7,0xffef,0xffdf,0xffbf,0xff7f,
											0xfeff,0xfdff,0xfbff,0xf7ff,0xefff,0xdfff,0xbfff,0x7fff};
unsigned int _rom Or16BitTab[16]={0x0001,0x0002,0x0004,0x0008,0x0010,0x0020,0x0040,0x0080,
										  0x0100,0x0200,0x0400,0x0800,0x1000,0x2000,0x4000,0x8000};

/*
volatile unsigned char U7_245_REG;
volatile unsigned char U8_273_REG;
volatile unsigned char U11_273_REG;
volatile unsigned char U12_245_REG;
volatile unsigned char U13_273_REG;
volatile unsigned char U26_273_REG;

volatile Mix_Reg _SYS_STATE;
*/