单片机51 去抖按键程序

#define STOP_TIMER0 TR0=0
#define START_TIMER1 TR1=1
#define STOP_TIMER10 TR1=0
#define KD_VAL 15
sbit Ktemph=P1^0;
sbit Ktempl=P1^1;
sbit Ktime=P1^2;
sbit Kset=P1^3;
unsigned char Irbufnum;
unsigned char Irbuf[6];
unsigned char Recposi;
unsigned int idata Irbuffer[50];
unsigned char Kscanbuf[8];
unsigned char Kscan[8];
unsigned char Kcount[8];
RCAP2L = 0XB8 ;
TR2=1;
EX0=1;/*ÔÊÐíÍⲿ0ÖжÏ*/
EA = 1;/*¿ªÈ«¾ÖÖжÏ*/
TR0=0;
TMOD|=1<<4;/*¼ÆʱÆ÷1×÷Ϊ16λ*/
ET1=1;
TH1=0xf8;
TL1=0xcc;
TR1=1;
PX0=1;/*ÍⲿÖжÏ0ÓÅÏÈ*/
IT0=1;/*ϽµÑØ´¥·¢ÖжÏ*/
/*ET0=1;*/
/*ES = 1;*//*ÔÊÐí´®ÐпÚÖжÏ*/
TCLK = 1 ; /*¶¨Ê±Æ÷2ÓÃ×÷²¨ÌØÂÊ·¢ÉúÆ÷*/
RCLK = 1 ;
/*¾§Õñ 22.1184 £¬ 6T £¬²¨ÌØÂÊ9600*/
RCAP2H = 0xff ;
if(!Ktime) Kscanbuf[2]=1;else Kscanbuf[2]=0;
if(!Kset) Kscanbuf[3]=1;else Kscanbuf[3]=0;
if(!Konoff) Kscanbuf[4]=1;else Kscanbuf[4]=0;
if(!Kmode) Kscanbuf[5]=1;else Kscanbuf[5]=0;
}
else if(timer>2000&&timer<5000&&Startflag)
{
Irbuffer[Recposi++]=0;//for test 0
Irbufnum++;
Irbufposi=Irbufnum/8;
Irbuf[Irbufposi] = (Irbuf[Irbufposi] << 1)&0xfe ;
/************************************************
test time
***********************************************/
if(Firstint)
{
TH0=0;
TL0=0;
START_TIMER0;
Recposi=0;
Send(0x04);//onoffprocess
}
if(Kready[5])
{
Kready[5]=0;
Send(0x05);//modeprocess
}
if(Kready[6])
{
Kready[6]=0;
Send(0x06);//fanprocess
}
if(Kready[7])
{
Kready[7]=0;
#include <REG52.h>
#define TIME_0_80_MS 0xfa3d
#define TIME_1_20_MS 0xf75c
#define TIME_1_80_MS 0xf30a
#define TIME_2_20_MS 0xf028
#define TIME_3_80_MS 0xe4a3
unsigned char Kready[8];
bit Dokeyscan;
void Send(unsigned char);
void Key_Scan()
{
unsigned char i;
if(!Ktemph) Kscanbuf[0]=1;else Kscanbuf[0]=0;
if(!Ktempl) Kscanbuf[1]=1;else Kscanbuf[1]=0;
Send(0x07);//swingprocess
}
}
void MCU_Init(void)
{
TMOD=0X01;
SCON=0X50;/*ģʽ3£¨¼ÆÊýÆ÷1ÓÃÓÚ²úÉú²¨ÌØÂÊÐźţ©£¬ÔÊÐí½ÓÊÜ£¬*/
PCON=0x00;/*·ÇË«²¨ÌØÂÊ*/
TCON=0X00;
{
Kscan[i]=Kscanbuf[i];
Kcount[i]=0;
}
else //°´ÏÂÇÒÉÏ´ÎÒ²°´Ï£»
{
if(Kcount[i]==KD_VAL)return;
Kcount[i]++;
if(Kcount[i]==KD_VAL)Kready[i]=1;//KD_VAL´ÎɨÃèºóÈ·ÈÏÓÐЧ£¬
{
unsigned char i;
MCU_Init();
/*for(i=0;i<60;i++)
Irbuffer[i]=0;*/
/*for(i=0;i<6;i++)
SendInt(Irbuf[i]);*/
while(1)
{
//if(Recposi>49)
//Recposi=0;
if(Irok)
{
for(i=0;i<6;i++)
sbit Konoff=P1^4;
sbit Kmode=P1^5;
sbit Kfan=P1^6;
sbit Kswing=P1^7;
bit Startflag;
bit Firstint=1;
bit Irok;
bit Intflag;
bit Sendok;
unsigned char Irrecivenum;
Startflag=1;
}
else if(timer>13000&&timer<16000&&Startflag)
{
Irbuffer[Recposi++]=3;//for test stop
Startflag=0;
Irok=1;
Firstint=1;
Recposi=0;
Irbufnum=0;
STOP_TIMER0;
}
void Send(unsigned char c)
{
SBUF = c;
while(TI == 0);
TI =0;
}
void SendInt(unsigned int i)
{
unsigned char a=i>>8&0xff;
Send(a);
a=i&0xff;
Send(a);
}
void main()
#define TIME_4_20_MS 0xe1c2
#define TIME_4_50_MS 0xdf99
#define TIME_5_20_MS 0xda8f
#define START_TIME_L TIME_3_80_MS
#define START_TIME_H TIME_4_20_MS
#define BIT_1_L TIME_1_80_MS
Send(Irbuf[i]);
Irok=0;
}
if(Dokeyscan)
{
Dokeyscan=0;
Key_Scan();
Key_Process();
}
}
}
void Exint0_Isr(void)interrupt 0
{
unsigned int timer;
unsigned char Irbufposi;
}
}
}
}
void Key_Process()//¸öÈ˹۵㣺ûÓÐÅжÏÊÇ·ñ¼üÊÍ·Å£¬Ò»´Î³¤°´¼ü¿ÉÄܶà´Î²É¼¯£»
{
if(Kready[0])
{
Kready[0]=0;
Send(0x00);//temp++process
}
if(Kready[1])
{
Kready[1]=0;
}
else
{
Irbuffer[Recposi++]=8;
Startflag=0;
Irok=0;
Firstint=1;
Recposi=0;
Irbufnum=0;
STOP_TIMER0;
}
}
}
void Time1_Isr(void) interrupt 3
{
TH1=0xf8;
TL1=0xcc;
Dokeyscan=1;
Firstint=0;
Irok=0;
}
else
{
STOP_TIMER0;
timer=TH0;
timer=((timer << 8) | TL0);
TH0=0;
TL0=0;
START_TIMER0;
//for(i=0;i<60;i++)
if(timer>22000&&timer<25000)