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C语言中的宏定义

//程序设计：傅越千
//2009.7.30
#include <c8051f360.h>
#include <stdio.h>
#include <absacc.h>
#define WDATADDR XBYTE[0XC009]                //LCD写数据地址
#define RDATADDR XBYTE[0XC00B]                //LCD读数据地址
#define WCOMADDR XBYTE[0XC008]                //LCD写命令地址
#define RCOMADDR XBYTE[0XC00A]                //LCD读命令地址
#define KEYCS      XBYTE[0XC00C]                //键盘片选地址
sbit LCD_RST=P3^0;
sbit START=P3^2;
unsigned char code CHINESE1[]={"高速数据采集系统"};
unsigned char code SINTAB[]={\
0x7f,0x82,0x85,0x88,0x8b,0x8f,0x92,0x95,0x98,0x9b,0x9e,0xa1,0xa4,0xa7,0xaa,0xad,\
0xb0,0xb3,0xb6,0xb8,0xbb,0xbe,0xc1,0xc3,0xc6,0xc8,0xcb,0xcd,0xd0,0xd2,0xd5,0xd7,\
0xd9,0xdb,0xdd,0xe0,0xe2,0xe4,0xe5,0xe7,0xe9,0xeb,0xec,0xee,0xef,0xf1,0xf2,0xf4,\
0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfb,0xfc,0xfd,0xfd,0xfe,0xfe,0xfe,0xfe,0xfe,\
0xff,0xfe,0xfe,0xfe,0xfe,0xfe,0xfd,0xfd,0xfc,0xfb,0xfb,0xfa,0xf9,0xf8,0xf7,0xf6,\
0xf5,0xf4,0xf2,0xf1,0xef,0xee,0xec,0xeb,0xe9,0xe7,0xe5,0xe4,0xe2,0xe0,0xdd,0xdb,\
0xd9,0xd7,0xd5,0xd2,0xd0,0xcd,0xcb,0xc8,0xc6,0xc3,0xc1,0xbe,0xbb,0xb8,0xb6,0xb3,\
0xb0,0xad,0xaa,0xa7,0xa4,0xa1,0x9e,0x9b,0x98,0x95,0x92,0x8f,0x8b,0x88,0x85,0x82,\
0x7f,0x7c,0x79,0x76,0x73,0x6f,0x6c,0x69,0x66,0x63,0x60,0x5d,0x5a,0x57,0x54,0x51,\
0x4e,0x4b,0x48,0x46,0x43,0x40,0x3d,0x3b,0x38,0x36,0x33,0x31,0x2e,0x2c,0x29,0x27,\
0x25,0x23,0x21,0x1e,0x1c,0x1a,0x19,0x17,0x15,0x13,0x12,0x10,0x0f,0x0d,0x0c,0x0a,\
0x09,0x08,0x07,0x06,0x05,0x04,0x03,0x03,0x02,0x01,0x01,0x00,0x00,0x00,0x00,0x00,\
0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x02,0x03,0x03,0x04,0x05,0x06,0x07,0x08,\
0x09,0x0a,0x0c,0x0d,0x0f,0x10,0x12,0x13,0x15,0x17,0x19,0x1a,0x1c,0x1e,0x21,0x23,\
0x25,0x27,0x29,0x2c,0x2e,0x31,0x33,0x36,0x38,0x3b,0x3d,0x40,0x43,0x46,0x48,0x4b,\
0x4e,0x51,0x54,0x57,0x5a,0x5d,0x60,0x63,0x66,0x69,0x6c,0x6f,0x73,0x76,0x79,0x7c} ;
unsigned char key_num=0xff;                    //存键号
unsigned char idata disp[128];
unsigned char flag=0;
void OSC_INIT (void)
{
    SFRPAGE=0X0F;
    OSCICL=OSCICL+4;
    OSCICN=0XC2;
    CLKSEL=0X30;
    SFRPAGE=0;
}
//********************************************
void IO_INIT(void)
{
    SFRPAGE=0X0F;
    P0MDIN=0Xe7;
    P0MDOUT=0X83;
    P0SKIP=0XF9;
    P1MDIN=0XFF;
    P1MDOUT=0XFF;
    P1SKIP=0XFF;
    P2MDIN=0XFE;
    P2MDOUT=0XFF;
    P2SKIP=0XFF;
    P3MDIN=0XFF;
    P3MDOUT=0XFB;                        //FF*********
    P3SKIP=0XFD;
    P4MDOUT=0XFF;
    XBR0=0X09;
    XBR1=0X40;                            //禁止弱上拉，允许交叉开关 *****
    SFRPAGE=0X0;
}
//********************************************
void XRAM_INIT(void)
{
    SFRPAGE=0X0F;
    EMI0CF=0X07;
    SFRPAGE=0;
}
//********************************************
void SMB_INIT(void)
{
    SMB0CF=0XC1;
}
//********************************************
void UART_INIT(void)
{
          SCON0=0X0;
}
//********************************************
void DAC_INIT(void)
{
    IDA0CN=0XF2;
}
//********************************************
void ADC_INIT(void)
{
    REF0CN=0;                //VDD为基准
    AMX0P=0X08;                //正端接P20
    AMX0N=0X1F;                //负端接GND
    ADC0CF=0X2C;            //左对齐，转换时钟2MHZ
    ADC0CN=0X80;            //写ADOBUSY启动AD
}
//********************************************
void INT0_INIT(void)
{
    IT01CF=0X65;                //选择P0.6为INT1，P0.5为INT0
    IT0=1;                        //下降沿触发
    IT1=1;
}
//********************************************
void TIMER_INIT(void)
{
    TMOD=0x11;                    //T0、T1方式1
    CKCON=0;                     //系统时钟12分频
    TL0=0X78;
    TH0=0XEC;                    //10MS
    TL1=0X0C;
    TH1=0XFE;                    //0.5MS
    TMR2CN=0X04;                //16位自动重装
    TMR2RLL=0XF0;                //10MS
    TMR2RLH=0XD8;
    TMR3CN=0X0C;                //双8位自动重装入，系统时钟1/12
    TMR3RLL=0XE0;                //定时100us
    TMR3RLH=0XFF;
    TR0=1;
    TR1=1;
}
//***********************************************
void PCA_INIT(void)
{
    PCA0CN=0X40;                //允许PCA计数器、定时器
    PCA0MD=0;                    //禁止看门狗定时器
}
//***********************************************
void INT_INIT(void)
{
    EX0=1;                        //INIT0，键盘
    PX0=0;                        //INT0为低优先级
    ET0=0;                        //T0
    ET1=0;                        //T1
    ET2=0;                        //T2
    EIE1=0X0;                    //0X08,允许ADC中断
    ES0=0;                        //uart
    EA=1;
}
//**************************************************
void Init_device(void) 
{
    OSC_INIT();
    IO_INIT();
    XRAM_INIT();
    SMB_INIT();
    UART_INIT();
//    DAC_INIT();
//    ADC_INIT();
    TIMER_INIT();
    PCA_INIT();
    INT0_INIT();
    INT_INIT();
}
//**************************************************
//--------------------------------------------------------
void LCD_REST(void)
{
    int i;
    LCD_RST=0;
    for(i=0;i<255;i++);
    LCD_RST=1;
}
//********************************************************
void LCD_WC(unsigned char command)                //LCD写命令
{
    while(RCOMADDR&0X80);
    WCOMADDR=command;
}
//********************************************************
void LCD_INIT(void)                               //LCD初始化
{
    LCD_WC(0X30);                                //设为基本命令集
    LCD_WC(0X01);     
    LCD_WC(0X02);                                //将DDRAM填满20H，并设定DDRAM地址计数器为0
    LCD_WC(0X0C);                                //开整体显示
}
//***********************************************************
void LCD_WD(unsigned char d)                    //LCD写数据
{
    while(RCOMADDR&0X80);
    WDATADDR=d;
}
//**********************************************************
void LCD_HZ(unsigned char x,unsigned char temp[])                //显示一行字符
{
   int i=0;
   LCD_WC(x);                                                   //x代表位置，=0x80对应左上角
   while(temp[i]!=0)
     {
        LCD_WD(temp[i]);
        i++;
    }
}
//********************************************************
void LCD_BYTE(unsigned char x,unsigned char temp)                //显示一行字符
{
   LCD_WC(x);                                                   //x代表位置，=0x80对应左上角
   LCD_WD(temp);
}
//*********************************************************
void LCD_CLR(void)                                 //LCD清屏
{
       LCD_WC(0X01);
}
//*********************************************************
void INIT_XSRAM(void)                            //ROM中的SIN模拟数据复制到disp
{
int i,j;
for(i=0,j=0  ;i<128;i++){
    disp[i]=SINTAB[j];
    j=j+2;
    }
}
//********************************************************
void CLRGDRAM(void)                                  //清LCD VRAM
{
int i,j;
for(i=0;i<32;i++){
    LCD_WC((i|0x80));
    LCD_WC(0X80);
    for(j=0;j<16;j++) LCD_WD(0x0);
    }
for(i=0;i<32;i++){
    LCD_WC((i|0x80));
    LCD_WC(0X88);
    for(j=0;j<16;j++) LCD_WD(0x00);
    }
}
//********************************************************
void WR_GDRAM(void)                         //将disp[]数据送LCD显示
{
    unsigned char buf[16];
    unsigned char code tab[]={0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01};
    int i,j,k;
    for(k=0;k<0x40;k++){
        for(i=0;i<16;i++) buf[i]=0;
        for(i=0,j=0;i<128;i++){
            if(((~disp[i])>>2)==k){
                buf[i/8]=buf[i/8]|tab[i%8];
            }
        }
    if(k<32) {LCD_WC(k|0x80);LCD_WC(0X80);}
    else {LCD_WC((k-0x20)|0x80);LCD_WC(0X88);}
    for(i=0;i<16;i++) LCD_WD(buf[i]);
    }
}
//********************************************************
void KEY_INIT0(void) interrupt 0
{
    key_num=KEYCS&0x0f;
}
//********************************************************
void GET_DATA(void) interrupt 2            //取FPGA的采样数据
{
    unsigned char xdata *p;
    int i;
    p=0x4000;                            //双口RAM的首地址
    for(i=0;i<128;i++,p++) disp[i]=*p;
    flag=1;                                 //设置标志
}  
main()
{
      int i;
    Init_device();
    LCD_REST();
    LCD_INIT();
    LCD_HZ(0x90,CHINESE1);
    LCD_INIT();
    LCD_WC(0X34);
    CLRGDRAM();                //清LCD
    INIT_XSRAM();
    WR_GDRAM();                //显示正弦
    LCD_WC(0X36);
    LCD_WC(0X30);
    IE1=0;
    EX1=1;
while(1)
{    
    if(flag) {
        flag=0;    
        LCD_INIT();
        LCD_WC(0X34);
        CLRGDRAM();                //清LCD
        WR_GDRAM();                //显示正弦
        LCD_WC(0X36);
        LCD_WC(0X30);
        }
    if((key_num&0xf0)==0) 
        {
        switch(key_num)
        {
        case 0:
                START=0;
                for(i=0;i<20000;i++);
                START=1;        
                break;
        case 1:    break;
        }
        key_num=0xff;
        }
}
}

00h

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原文地址：http://www.cnblogs.com/zongzi10010/p/5964875.html