extent.h

keil C51 LCD 驱动源码,其中还有I2C驱动,ADC驱动,键盘操作等,是一个完整的keil源代码,供大家参考

/****************************************************************************
   +----------------------------------------------------------------------+
   | Copyright Trumpion Microelectronics Inc. 1999                        |
   | Trumpion Microelectronics Inc. reserves the right to change products |
   | or specifications without notice.                                    |
   +----------------------------------------------------------------------+
   Project    : LCD monitor
   Version    : 0.94
   File Name  : extent.h
   Functions  : Macro-function and constant definition
   Revision   :

   1999-05-18  OriginalTeam    First Created
****************************************************************************/

#ifndef _EXTENT_H
#define _EXTENT_H

/**************************************************************************/
/**************************************************************************/
typedef  bit             Bit;
typedef  bit             Bool;
typedef  unsigned char   Byte;
typedef  unsigned int    Word;
typedef  unsigned long   Long;

#define  DATA            data
#define  IDATA           idata
#define  PDATA           pdata
#define  XDATA           xdata
#define  RDATA           code

#define  FALSE           (Bool)0
#define  TRUE            (Bool)!FALSE

#endif