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#include<reg52.h> //包含頭文件，一般情況不需要改動，頭文件包含特殊功能寄存器的定義
#include<intrins.h>
sbit RS = P1^7; //定義端口
sbit RW = P1^6;
sbit EN = P1^5;
sbit datk=P1^2;
sbit rest=P1^3;
sbit IR=P3^2;//中斷0，紅外接口 //紅外接口標志
#define RS_CLR RS=0 //選擇指令寄存器
#define RS_SET RS=1 //選擇數據寄存器
#define RW_CLR RW=0 //把單片機數據寫入lcd
#define RW_SET RW=1 // 把lcm的數據讀出到單片機
#define EN_CLR EN=0 // 允許對lcm進行讀寫操作
#define EN_SET EN=1 // 禁止對lcm進行讀寫操作
#define DataPort P2 //定義數據端口程序中遇到DataPort 則用P2 替換
/*------------------------------------------------
全局變量聲明
------------------------------------------------*/
unsigned int p=0,flag1,qingchu;
static int a; //靜態(tài)變量a
unsigned char table1[4];
unsigned char irtime;//紅外用全局變量
bit irpro_ok,irok;
unsigned char IRcord[4]; //四組數據，
unsigned char irdata[33]; //前導碼加32位數據
unsigned char dat[] ={'0','1','2','3','4','5','6','7','8','9'};
/*------------------------------------------------
函數聲明
------------------------------------------------*/
void Ir_work(void); //紅外鍵值散轉函數
void Ircordpro(void); //紅外碼值處理
void Delay10ms(); //延時函數
void delay1ms(void); //延時函數
void music(z); //語音函數
/*------------------------------------------------
uS延時函數，含有輸入參數 unsigned char t，無返回值
unsigned char 是定義無符號字符變量，其值的范圍是
0~255 這里使用晶振12M，精確延時請使用匯編,大致延時
長度如下 T=tx2+5 uS
------------------------------------------------*/
void DelayUs2x(unsigned char t)
{
while(--t);
}
/*------------------------------------------------
mS延時函數，含有輸入參數 unsigned char t，無返回值
unsigned char 是定義無符號字符變量，其值的范圍是
0~255 這里使用晶振12M，精確延時請使用匯編
------------------------------------------------*/
void DelayMs(unsigned char t)
{
while(t--)
{
//大致延時1mS
DelayUs2x(245);
DelayUs2x(245);
}
}
/*------------------------------------------------
判忙函數
------------------------------------------------*/
bit LCD_Check_Busy(void)
{
DataPort= 0xFF;
RS_CLR; //選擇指令寄存器
RW_SET; //把lcm的數據讀出到單片機
EN_CLR; //禁止對lcm進行讀寫操作
_nop_();
EN_SET;
return (bit)(DataPort & 0x80);
}
/*------------------------------------------------
寫入命令函數
------------------------------------------------*/
void LCD_Write_Com(unsigned char com)
{
while(LCD_Check_Busy()); //忙則等待
RS_CLR;
RW_CLR;
EN_SET;
DataPort= com;
_nop_();
EN_CLR;
}
/*------------------------------------------------
寫入數據函數
------------------------------------------------*/
void LCD_Write_Data(unsigned char Data)
{
while(LCD_Check_Busy()); //忙則等待
RS_SET;
RW_CLR;
EN_SET;
DataPort= Data;
_nop_();
EN_CLR;
}
/*------------------------------------------------
清屏函數
------------------------------------------------*/
void LCD_Clear(void)
{
LCD_Write_Com(0x01);
DelayMs(5);
}
/*------------------------------------------------
初始化函數
------------------------------------------------*/
void LCD_Init(void)
{
LCD_Write_Com(0x38); /*顯示模式設置*/
DelayMs(5);
LCD_Write_Com(0x38);
DelayMs(5);
LCD_Write_Com(0x38);
DelayMs(5);
LCD_Write_Com(0x38);
LCD_Write_Com(0x08); /*顯示關閉*/
LCD_Write_Com(0x01); /*顯示清屏*/
LCD_Write_Com(0x06); /*顯示光標移動設置*/
DelayMs(5);
LCD_Write_Com(0x0C); /*顯示開及光標設置*/
}
/*------------------------------------------------
定時器0中斷處理
------------------------------------------------*/
void tim0_isr (void) interrupt 1 using 1
{
irtime++; //用于計數2個下降沿之間的時間
}
/*------------------------------------------------
外部中斷0中斷處理
------------------------------------------------*/
void EX0_ISR (void) interrupt 0 //外部中斷0服務函數
{
static unsigned char i; //接收紅外信號處理
static bit startflag; //是否開始處理標志位
if(startflag)
{
if(irtime<63&&irtime>=33)//引導碼 TC9012的頭碼，9ms+4.5ms
i=0;
irdata[i]=irtime;//存儲每個電平的持續(xù)時間，用于以后判斷是0還是1
irtime=0;
i++;
if(i==33)
{
irok=1;
i=0;
}
}
else
{
irtime=0;
startflag=1;
}
}
void music(int z)
{
rest=1;
delay1ms();
delay1ms();
rest=0;
delay1ms();
delay1ms();
//前面給語音復位，詳情看語音資料
while(z>0) //給b 個脈沖讓語音播放b段語音
{
datk=1;
delay1ms();
datk=0;
delay1ms();
z--;
} }
//************************************************************
void delay1ms()
{
unsigned char iii, jjj;
_nop_();
iii = 2;
jjj = 199;
do
{
while (--jjj);
} while (--iii);
}
void delay(void) //誤差 -0.000000000227us
{
unsigned char a,b,c;
for(c=13;c>0;c--)
for(b=247;b>0;b--)
for(a=142;a>0;a--);
_nop_; //if Keil,require use intrins.h
}
/*------------------------------------------------
定時器0初始化
------------------------------------------------*/
void TIM0init(void)//定時器0初始化
{
TMOD=0x02;//定時器0工作方式2，TH0是重裝值，TL0是初值
TH0=0x00; //重載值
TL0=0x00; //初始化值
ET0=1; //開中斷
TR0=1;
}
/*------------------------------------------------
外部中斷0初始化
------------------------------------------------*/
void EX0init(void)
{
IT0 = 1; //指定外部中斷0下降沿觸發(fā)，INT0 (P3.2)
EX0 = 1; //使能外部中斷
EA = 1; //開總中斷
}
/*------------------------------------------------
鍵值處理
------------------------------------------------*/
int display(int j)
{
int k;
switch(j)//判斷第三個數碼值
{
case 0x16:LCD_Write_Com(0x80+a);LCD_Write_Data('0');k=0; a++; break;//0
case 0x0c:LCD_Write_Com(0x80+a);LCD_Write_Data('1');k=1; a++; break;//1 顯示相應的按鍵值
case 0x18:LCD_Write_Com(0x80+a);LCD_Write_Data('2');k=2; a++;break;//2
case 0x5e:LCD_Write_Com(0x80+a);LCD_Write_Data('3');k=3; a++;break;//3
case 0x08:LCD_Write_Com(0x80+a);LCD_Write_Data('4');k=4; a++;break;//4
case 0x1c:LCD_Write_Com(0x80+a);LCD_Write_Data('5');k=5; a++;break;//5
case 0x5a:LCD_Write_Com(0x80+a);LCD_Write_Data('6');k=6; a++;break;//6 顯示相應的按鍵值
case 0x42:LCD_Write_Com(0x80+a);LCD_Write_Data('7');k=7; a++;break;//7
case 0x52:LCD_Write_Com(0x80+a);LCD_Write_Data('8');k=8; a++;break;//8
case 0x4a:LCD_Write_Com(0x80+a);LCD_Write_Data('9');k=9; a++;break;//9
}
return k;
}
void Ir_work(void)//紅外鍵值散轉程序
{
int k=0,flag1,count1,count2,count3,count4;
int table1[6];
int count;
if(IRcord[2]!=0x09&&IRcord[2]!=0x44&&IRcord[2]!=0x15&&IRcord[2]!=0x40&&IRcord[2]!=0x43&&IRcord[2]!=0x07)
{
k=display(IRcord[2]);
table1[p++]=k;
}
else if(IRcord[2]==0x09||IRcord[2]==0x44||IRcord[2]==0x15||IRcord[2]==0x40)
{
switch(IRcord[2])
{
case 0x09:LCD_Write_Com(0x80+a);LCD_Write_Data('+');flag1=1;a++;break;//+
case 0x15:LCD_Write_Com(0x80+a);LCD_Write_Data('-');flag1=2;a++;break;//-顯示相應的按鍵值
case 0x44:LCD_Write_Com(0x80+a);LCD_Write_Data('*');flag1=3;a++;break;//*
case 0x40:LCD_Write_Com(0x80+a);LCD_Write_Data('/');flag1=4;a++;break;///
//case 0x10:
}
}
else if(IRcord[2]==0x07)
{
LCD_Write_Com(0x80+a);
LCD_Write_Data('=');
switch(flag1)
{
case 1: count=table1[0]*10+table1[1]+table1[2]*10+table1[3];
if(count<100)
{
count1=count/10;
count2=count%10;
LCD_Write_Com(0x80+a+1);
LCD_Write_Data(dat[count1]);
LCD_Write_Com(0x80+a+2);
LCD_Write_Data(dat[count2]);
delay();
music(count1+1);
delay();
music(count2+1);
delay();
}
else if(count>=100)
{
count1=count/100; LCD_Write_Com(0x80+a+1);LCD_Write_Data(dat[count1]);
count2=count/10%10; LCD_Write_Com(0x80+a+2);LCD_Write_Data(dat[count2]);
count3=count%10; LCD_Write_Com(0x80+a+3);LCD_Write_Data(dat[count3]);
delay();
music(count1+1);
delay();
music(count2+1);
delay();
music(count3+1);
delay();
}
break;
case 2: count=table1[0]*10+table1[1]-(table1[2]*10+table1[3]);
count1=count/10; LCD_Write_Com(0x80+a+1);LCD_Write_Data(dat[count1]);
count2=count%10; LCD_Write_Com(0x80+a+2); LCD_Write_Data(dat[count2]);
music(count1+1);
delay();
music(count2+1);
delay();
break;
case 3:count=(table1[0]*10+table1[1])*(table1[2]*10+table1[3]);
if(count<10) { LCD_Write_Com(0x80+a+1);LCD_Write_Data(dat[count]);}
else if(count<100)
{
count1=count/10; LCD_Write_Com(0x80+a+1); LCD_Write_Data(dat[count1]);
count2=count%10; LCD_Write_Com(0x80+a+2); LCD_Write_Data(dat[count2]);
delay();
music(count1+1);
delay();
music(count2+1);
delay();
}
else if(count<1000)
{
count1=count/100; LCD_Write_Com(0x80+a+1); LCD_Write_Data(dat[count1]);
count2=count/10%10; LCD_Write_Com(0x80+a+2); LCD_Write_Data(dat[count2]);
count3=count%10; LCD_Write_Com(0x80+a+3); LCD_Write_Data(dat[count3]);
delay();
music(count1+1);
delay();
music(count2+1);
delay();
music(count3+1);
delay();
}
else if(count<10000)
{
count1=count/1000; LCD_Write_Com(0x80+a+1); LCD_Write_Data(dat[count1]);
count2=count/100%10; LCD_Write_Com(0x80+a+2); LCD_Write_Data(dat[count2]);
count3=count/10%10; LCD_Write_Com(0x80+a+3); LCD_Write_Data(dat[count3]);
count4=count%10; LCD_Write_Com(0x80+a+4); LCD_Write_Data(dat[count4]);
delay();
music(count1+1);
delay();
music(count2+1);
delay();
music(count3+1);
delay();
music(count4+1);
delay();
}
break;
case 4: count=(table1[0]*10+table1[1])/(table1[2]*10+table1[3]);
if(count<10)
{
LCD_Write_Com(0x80+a+1);LCD_Write_Data('0'); //LCD_Write_Data(dat[count]);
LCD_Write_Com(0x80+a+2);LCD_Write_Data(dat[count]);
delay();
music(1);
delay();
music(count+1);
delay();
}
else
{
count1=count/10; LCD_Write_Com(0x80+a+1); LCD_Write_Data(dat[count1]);
count2=count%10; LCD_Write_Com(0x80+a+2); LCD_Write_Data(dat[count2]);
delay();
music(count1+1);
delay();
music(count2+1);
delay();
}
break;
}
flag1=0;
}
else
{
if(IRcord[2]==0x43)
{
LCD_Write_Com(0x01);
qingchu=1;
}
}
}
/*------------------------------------------------
紅外碼值處理
------------------------------------------------*/
void Ircordpro(void)//紅外碼值處理函數
{
unsigned char i, j, k;
unsigned char cord,value;
k=1;
for(i=0;i<4;i++) //處理4個字節(jié)
{
for(j=1;j<=8;j++) //處理1個字節(jié)8位
{
cord=irdata[k];
if(cord>7)//大于某值為1，這個和晶振有絕對關系，這里使用12M計算，此值可以有一定誤差
value|=0x80;
if(j<8)
{
value>>=1;
}
k++;
}
IRcord[i]=value;
value=0;
}
irpro_ok=1;//處理完畢標志位置1
}
/*------------------------------------------------
主函數
------------------------------------------------*/
void main(void)
{
int m;
EX0init(); //初始化外部中斷
TIM0init();//初始化定時器
LCD_Init();
LCD_Clear();//清??
while(1)//主循環(huán)
{
while(irok==0); //如果接收好了進行紅外處理
irok=0 ;
Ircordpro();
while(irpro_ok==0); //如果處理好后進行工作處理，如按對應的按鍵后顯示對應的數字等
irpro_ok=0;
Ir_work();
if(qingchu==1)
{
qingchu=0;
a=0;
LCD_Write_Com(0x01);
LCD_Write_Com(0x80);
p=0;
for(m=0;m<6;m++)
table1[m]=0;
}
}
}

復制代碼

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