include
#define uint unsigned int
#define uchar unsigned char
unsigned char a[4]; //儲(chǔ)存用戶碼、用戶反碼與鍵數(shù)據(jù)碼、鍵數(shù)據(jù)反碼
unsigned int LowTime,HighTime; //儲(chǔ)存高、低電平的寬度
sbit led_r=P1^0;
sbit led_g=P1^2;
sbit led_b=P1^4;
sbit IR=P3^2;
sbit BEEP = P2^3;
bit kg_flag;
bit zb_flag;
bit m_flag;
bit s_flag;
bit f_flag;
uchar num,tl,tb,tm,tj;tt;
uchar number;
uchar scw;
uchar pwm_r,pwm_g,pwm_b;
uchar pwm[3];
uchar bright,bright_t;
uchar x[30]={0};
uchar type[30]={0};
void dealy(uint z)
{ uint x,y; for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
/*void delay1ms()
{
unsigned char i,j;
for(i=0;i<10;i++)
for(j=0;j<33;j++)
;
}
void delay(unsigned char n)
{
unsigned char i;
for(i=0;i0){led_r=0;pwm_r--;}
else{led_r=1;}
if(pwm_g>0){led_g=0;pwm_g--;}
else{led_g=1;}
if(pwm_b>0){led_b=0;pwm_b--;}
else{led_b=1;}
scw++;
}}*/
bit DeCode(void)
{
unsigned char i,j;
unsigned char temp; //儲(chǔ)存解碼出的數(shù)據(jù)
for(i=0;i<4;i++) //連續(xù)讀取4個(gè)用戶碼和鍵數(shù)據(jù)碼
{
for(j=0;j<8;j++) //每個(gè)碼有8位數(shù)字
{
temp=temp>>1; //temp中的各數(shù)據(jù)位右移一位,因?yàn)橄茸x出的是高位數(shù)據(jù)
TH0=0; //定時(shí)器清0
TL0=0; //定時(shí)器清0
TR0=1; //開(kāi)啟定時(shí)器T0
while(IR==0) //如果是低電平就等待
; //低電平計(jì)時(shí)
TR0=0; //關(guān)閉定時(shí)器T0
LowTime=TH0*256+TL0; //保存低電平寬度
TH0=0; //定時(shí)器清0
TL0=0; //定時(shí)器清0
TR0=1; //開(kāi)啟定時(shí)器T0
while(IR==1) //如果是高電平就等待
;
TR0=0; //關(guān)閉定時(shí)器T0
HighTime=TH0*256+TL0; //保存高電平寬度
if((LowTime<370)||(LowTime>640))
return 0; //如果低電平長(zhǎng)度不在合理范圍,則認(rèn)為出錯(cuò),停止解碼
if((HighTime>420)&&(HighTime<620)) //如果高電平時(shí)間在560微秒左右,即計(jì)數(shù)560/1.085=516次
temp=temp&0x7f; //(520-100=420, 520+100=620),則該位是0
if((HighTime>1300)&&(HighTime<1800)) //如果高電平時(shí)間在1680微秒左右,即計(jì)數(shù)1680/1.085=1548次
temp=temp|0x80; //(1550-250=1300,1550+250=1800),則該位是1
}
a[i]=temp; //將解碼出的字節(jié)值儲(chǔ)存在a[i]
}
if(a[2]=~a[3]) //驗(yàn)證鍵數(shù)據(jù)碼和其反碼是否相等,一般情況下不必驗(yàn)證用戶碼
return 1; //解碼正確,返回1
}
void exter_int0() interrupt 0 using 0
{ EX0=0;
//關(guān)閉外中斷0,不再接收二次紅外信號(hào)的中斷,只解碼當(dāng)前紅外信號(hào)
TH0=0; //定時(shí)器T0的高8位清0
TL0=0; //定時(shí)器T0的低8位清0
TR0=1; //開(kāi)啟定時(shí)器T0
while(IR==0); //如果是低電平就等待,給引導(dǎo)碼低電平計(jì)時(shí)
TR0=0; //關(guān)閉定時(shí)器T0
LowTime=TH0*256+TL0; //保存低電平時(shí)間
TH0=0; //定時(shí)器T0的高8位清0
TL0=0; //定時(shí)器T0的低8位清0
TR0=1; //開(kāi)啟定時(shí)器T0
while(IR==1); //如果是高電平就等待,給引導(dǎo)碼高電平計(jì)時(shí)
TR0=0; //關(guān)閉定時(shí)器T0
HighTime=TH0*256+TL0; //保存引導(dǎo)碼的高電平長(zhǎng)度
if((LowTime>7800)&&(LowTime<8800)&&(HighTime>3600)&&(HighTime<4700))
{
//如果是引導(dǎo)碼,就開(kāi)始解碼,否則放棄,引導(dǎo)碼的低電平計(jì)時(shí)
//次數(shù)=9000us/1.085=8294, 判斷區(qū)間:8300-500=7800,8300+500=8800.
if(DeCode()==1); // 執(zhí)行遙控解碼功能
{// beep();
switch(a[2])
{
case 0x07:
{kg_flag=1;
TR0=1;
f_flag=0;
s_flag=0;
zb_flag=0;
number=0;
m_flag=0;
bright_t=225;
pwm[0]=bright_t;
pwm[1]=bright_t;
pwm[2]=bright_t;
TR1=0;
}
break;
case 0x06:
{
kg_flag=0;
pwm[0]=0;
pwm[1]=0;
pwm[2]=0;
} break;
case 0x04:
{
if((kg_flag==1)&&(m_flag==0)&&
(s_flag==0)&&
(zb_flag==0)&&(f_flag==0))
{
if(bright_t!=25)
{
bright_t=bright_t-25;
}
}
} break;
case 0x05:
{
if((kg_flag==1)&&(m_flag==0)&&
(s_flag==0)&&
(zb_flag==0)&&(f_flag==0))
{
if(bright_t!=255)
{
bright_t=bright_t+25;
}
}
} break;
case 0x09:
{
if(kg_flag==1)
{pwm[0]=bright_t;
pwm[1]=0;
pwm[2]=0;
}
} break;
case 0x08:
{if(kg_flag==1)
{pwm[0]=0;
pwm[1]=bright_t;
pwm[2]=0;}
}break;
case 0x0A:
{if(kg_flag==1)
{pwm[0]=0;
pwm[1]=0;
pwm[2]=bright_t;}
}break;
}
}
}
EX0=1;
}
void main()
{
init();
while(1);
}
void timer1()interrupt 1 using 1
{TR1=1;
TH0=(65536-1000)/256;
TL0=(65536-1000)%256;
scw++;
if(scw==255)
{
scw=0;
pwm_r=pwm[0];
pwm_g=pwm[1];
pwm_b=pwm[2];
}
else
{
if(pwm_r>0){led_r=0;pwm_r--;}
else{led_r=1;}
if(pwm_g>0){led_g=0;pwm_g--;}
else{led_g=1;}
if(pwm_b>0){led_b=0;pwm_b--;}
else{led_b=1;}
}TR1=0;
} 怎么沒(méi)有高手回下,改了下現(xiàn)在按遙控后一直閃,好像T1一直中斷,請(qǐng)高手指下