?? cpu.h
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/******************************************************************************
* CPU.H - CPU相關(guān)宏定義等
*
*
* DESCRIPTION: -
*
* modification history
* --------------------
* 01a, 04/sep/2007, 梁炎昌 written
* --------------------
******************************************************************************/
#include <stdio.h>
#include <REGX52.H>
#include <intrins.h>
#include <absacc.h>
//-----------------------------
#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口定義
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個LED端口定義 0驅(qū)動
sbit LED0 = P4^3;
sbit LED1 = P1^7;
//液晶控制線
sbit LCD_E = P3^2;
sbit LCD_RW = P2^5;
sbit LCD_RS = P2^6;
#define LCD_Bus P0
//74HC138的片選
sbit CSA = P2^4;
sbit CSB = P2^3;
//74HC138數(shù)據(jù)
sbit LatchaData0 = P2^0;
sbit LatchaData1 = P2^1;
sbit LatchaData2 = P2^2;
//鍵盤
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個LCD片選信號
//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(); {\
}
//------------------------------------
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