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#include <reg52.h>
#include <intrins.h>
#define uint unsigned int
#define uchar unsigned char
#define delay4us() {_nop_();_nop_();_nop_();_nop_();} //??4us
unsigned char dat = 0x00;
unsigned char count = 0x00;
unsigned char CH;
unsigned char dis[] = {0x00, 0x00, 0x00};
unsigned int displaynum;
sbit RS = P2^0;
sbit RW = P2^1;
sbit E= P2^2;
sbit buzzer= P2^4;
sbit led= P2^3;
sbit CS = P3^5;
sbit Clk = P3^4;
sbit DATI = P3^3;
sbit DATO = P3^3;
void Disp_temper_range(uchar add,uint T);
void Display();
uchar code table1[]="GZ:";
uchar code table2[]="SY:";
uchar code table5[]="SPEED:";
uchar code table3[]={0x07,0x05,0x07,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x06,0x09,0x10,0x00,0x00,
0x00,0x00,0x00,0x00,0x01,0x12,0x0C,0x00,};
uchar code table4[]={14,12,7,5,0};
uchar code table6[]="1";
uchar code table7[]="2";
uchar code table8[]="3";
uchar code table9[]="0";
uchar d,a,temp,*p,aa,s,m,i=0;
unsigned int num=0;
unsigned char gz;
unsigned char sy;
unsigned char openflag=0;
void delay(uint z)
{
uint i,j;
for(i=z;i>0;i--)
for(j=110;j>0;j--);
}
void delay_(uint i)
{
while(i--);
}
void DelayMS(uint ms)
{
uchar i;
while(ms--)
{
for(i=0;i<120;i++);
}
}
bit LCD_Busy_Check() //LCD判忙
{
bit result;
RS = 0;
RW = 1;
E= 1;
delay4us();
result = (bit)(P0&0x80);
E= 0;
return result;
}
void LCD_Write_Command(uchar cmd) //LCD寫命令
{
while(LCD_Busy_Check());
RS = 0;
RW = 0;
E = 0;
_nop_();
_nop_();
P0 = cmd;
delay4us();
E = 1;
delay4us();
E = 0;
}
/*
void Set_Disp_Pos(uchar pos)
{
LCD_Write_Command(pos | 0x80); //???
}
*/
void LCD_Write_Data(uchar dat)
{
while(LCD_Busy_Check());
RS = 1;
RW = 0;
E = 0;
P0 = dat;
delay4us();
E = 1;
delay4us();
E = 0;
}
void set_XY(uchar X,uchar Y) //????????
{
if(Y==0)
X+=0x80;
else
X|=0xC0;
LCD_Write_Command(X);
}
void DispOneChar(uchar X,uchar Y,uchar Data) //??????
{
set_XY(X,Y);
LCD_Write_Data(Data);
}
void LCD_Initialise() //LCD初始化
{
LCD_Write_Command(0x38); DelayMS(1);
LCD_Write_Command(0x38); DelayMS(1);
LCD_Write_Command(0x38); DelayMS(1);
LCD_Write_Command(0x38); DelayMS(1);
LCD_Write_Command(0x0c); DelayMS(1);
LCD_Write_Command(0x06);
LCD_Write_Command(0x01);
delay4us();
delay4us();delay4us();delay4us();
}
void Display_fre(uchar f) //
{
uchar a1,a2,a3;
a1=f/100;
a2=f/10%10;
a3=f%10;
DispOneChar(4,0,0x30+a1);
DispOneChar(5,0,0x30+a2);
DispOneChar(6,0,0x30+a3);
}
void Display_fre1(uchar s)
{
uchar b1,b2,b3;
b1=s/100;
b2=s/10%10;
b3=s%10;
DispOneChar(13,0,0x30+b1);
DispOneChar(14,0,0x30+b2);
DispOneChar(15,0,0x30+b3);
}
void Display_fre2(uint ss)
{
uint c1,c2,c3,c4;
c1=ss/1000;
c2=ss/100%10;
c3=ss/10%10;
c4=ss%10;
DispOneChar(7,1,0x30+c1);
DispOneChar(8,1,0x30+c2);
DispOneChar(9,1,0x30+c3);
DispOneChar(10,1,0x30+c4);
}
void DispChars(uchar X,uchar Y,uchar *p,uchar count) //?????
{
uchar i;
for(i=0;i<count;i++)
{
set_XY(X,Y);
LCD_Write_Data(*p);
X++;
p++;
}
}
/*****CH=0X00,對CH1進行轉換,TGS260******/
unsigned char adc0832(unsigned char CH) //模數轉化
{
unsigned char i,test,adval;
adval = 0x00;
test = 0x00;
Clk = 0;
DATI = 1;
_nop_();
CS = 0;
_nop_();
Clk = 1;
_nop_();
if ( CH == 0x00 ) //CH=0X00,對CH1進行轉換,TGS260
{
Clk = 0;
DATI = 1; //
_nop_();
Clk = 1;
_nop_();
Clk = 0;
DATI = 1;
_nop_();
Clk = 1;
_nop_();
}
else
{
Clk = 0;
DATI = 1;
_nop_();
Clk = 1;
_nop_();
Clk = 0;
DATI = 0;
_nop_();
Clk = 1;
_nop_();
}
Clk = 0;
DATI = 1;
for( i = 0;i < 8;i++ ) //
{
_nop_();
adval <<= 1;
Clk = 1;
_nop_();
Clk = 0;
if (DATO)
adval |= 0x01;
else
adval |= 0x00;
}
for (i = 0; i < 8; i++)
{
test >>= 1;
if (DATO)
test |= 0x80;
else
test |= 0x00;
_nop_();
Clk = 1;
_nop_();
Clk = 0;
}
if (adval == test)
dat = test;
_nop_();
CS = 1;//ADC0832
DATO = 1;
Clk = 1;
return dat;
}
void main(){
led = 1;
LCD_Initialise(); //LED初始化
// DelayMS(5);
DispChars(0,0,p=table1,4); //??“tgs”
// DelayMS(5);
DispChars(8,0,p=table2,4); //??“mq2”
while (1){
gz=100-100*adc0832(0x00)/255;
Display_fre(gz);
sy= 100*adc0832(0x11)/255;
Display_fre1(sy);
if (gz<50){
openflag = 0;
}
if ((50<=gz)&&(sy>40)){
openflag = 1;
}
else {
openflag = 0;
}
if (openflag==1){
led = 0;
num++;
delay(200);
if (num>180){
num=0;
led=1;
openflag = 0;
}
}
else{
if (num!=0){
num++;
delay(200);
if (num>180){
num=0;
led=1;
openflag = 0;
}
}
}
}
}

復制代碼

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