www.pudn.com > Src.rar > CPU.H

/****************************************************************************** 
 * CPU.H - CPU相关宏定义等 
 * 
 * 
 * DESCRIPTION: - 
 * 
 * modification history 
 * -------------------- 
 * 01a, 04/sep/2007, 梁炎昌 written 
 * -------------------- 
 ******************************************************************************/ 
#include  
#include  
#include  
#include  
 
//----------------------------- 
#define _CONST_  code 
 
//----------------------------- 
 
#define U8  unsigned char 
#define U16 unsigned int 
#define U32 unsigned long 
#define Bool bit 
 
#define true 1 
#define false 0 
//STC AUXR Reg 
sfr  AUXR = 0x8E; 
//STC P4口定义 
sfr P4   =  0xE8; 
 
sbit P4_0 = 0xE8; 
sbit P4_1 = 0xE9; 
sbit P4_2 = 0xEA; 
sbit P4_3 = 0xEB; 
//----------------------- 
 
#define OSC_48MHZ   true 
//#define OSC_24MHZ   true 
 
//2个LED端口定义   0驱动 
sbit LED0   = P4^3; 
sbit LED1   = P1^7; 
//液晶控制线 
sbit LCD_E     = P3^2; 
sbit LCD_RW    = P2^5; 
sbit LCD_RS    = P2^6; 
#define LCD_Bus   P0 
//74HC138的片选 
sbit CSA       = P2^4; 
sbit CSB       = P2^3; 
//74HC138数据 
sbit LatchaData0   = P2^0; 
sbit LatchaData1   = P2^1; 
sbit LatchaData2   = P2^2; 
 
//键盘 
sbit Key0   = P1^3; 
sbit Key1   = P1^4; 
sbit Key2   = P1^5; 
sbit Key3   = P1^6; 
 
#define Key_Down     0x11 
#define Key_Up       0x12 
#define Key_Left     0x13 
#define Key_Right    0x14 
 
//------------------------------------ 
//3个LCD片选信号 
//LCD CS A   (CSA = 0 CSB = 1) LatchData = 101 
/* 
#define LCD_CSA();    {\ 
    LatchaData0 = 1;  \ 
    LatchaData1 = 0;  \ 
    LatchaData2 = 1;  \ 
    CSA = 0;          \ 
    CSB = 1;          \ 
} 
//------------------------------------ 
//LCD CS B   (CSA = 0 CSB = 1) LatchData = 110 
#define LCD_CSB();    {\ 
    LatchaData0 = 0;  \ 
    LatchaData1 = 1;  \ 
    LatchaData2 = 1;  \ 
    CSA = 0;          \ 
    CSB = 1;          \ 
} 
 
//------------------------------------ 
//LCD CS C   (CSA = 0 CSB = 1) LatchData = 111 
#define LCD_CSC();    {\ 
    LatchaData0 = 1;  \ 
    LatchaData1 = 1;  \ 
    LatchaData2 = 1;  \ 
    CSA = 0;          \ 
    CSB = 1;          \ 
} 
 
//LCD CS A   (CSA = 0 CSB = 0) 
#define LCD_CS_None();    {\ 
    CSA = 0;          \ 
    CSB = 0;          \ 
} 
*/ 
#define LCD_CSA();    {\ 
    P2 = 0x0D;         \ 
} 
#define LCD_CSB();    {\ 
    P2 = 0x0E;         \ 
} 
#define LCD_CSC();    {\ 
    P2 = 0x0F;         \ 
} 
#define LCD_CS_None();    {\ 
} 
//------------------------------------