typedef.h

本人写的STC单片机EEPROM功能程序

#ifndef _TYPEDEF_
#define _TYPEDEF_

#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long

#define vDH	0
#define vDL	1

#define vDHH 	0
#define vDHL		1
#define vDLH		2
#define vDLL		3

union ui_data{
	unsigned int iData;
	unsigned char caData[2];
};

union ul_data{
	unsigned long lData;
	unsigned int iaData[2];
	unsigned char caData[4];
};

#endif