【正文】 0==1amp。amp。P1_1==1){if(ftemp=20){ft=2000。//1msfb=1000/ftemp/2。ss4=fb。}if(ftemp20)ft=2000000/ftemp/2。RecWave()。}if(P1_6==0)break。}}}void fdata() interrupt 0// 1 加 0 減{switch(mtemp){case 0x04: if(P1_5==0) // 口個位{if(ge0) ge。26if(ge==0) ge=0。}if(P1_5==1){if(ge9) ge++。if(ge==9) ge=9。}break。case 0x08: if(P1_5==0)//ge// 口十位{if(shi0) shi。if(shi==0) shi=0。}if(P1_5==1){if(shi9) shi++。if(shi==9) shi=9。}break。case 0x10: if(P1_5==0)//shi// 口百位{if(bai0) bai。if(bai==0) bai=0。}if(P1_5==1){if(bai9) bai++。if(bai==9) bai=9。}break。//baidefault:ge=0x05 。 shi=0x00 。 bai=0x00 。//err}ftemp=bai*100+shi*10+ge。27}void time0() interrupt 1{TH0=(65535ft)/255。TL0=(65535ft)%255。if(P1_0==0amp。amp。P1_1==0) //正弦{s1++。ss1=tosin[s1]。P0=ss1。tp=0。}if(P1_0==0amp。amp。P1_1==1) //三角{if(s2==255)ss2=1。if(ss2==0)s2++。if(ss2==1){s2。if(s2==0)ss2=0。}P0=s2。tp=1。}if(P1_0==1amp。amp。P1_1==0) //鋸齒{s3++。P0=s3。tp=2。}28if(P1_0==1amp。amp。P1_1==1) //方波{if(ftemp=20){fb。if(fb==0){s4=~s4。fb=ss4。}if(s4==0)P0=0x00。if(s4==1)P0=0xff。}if(ftemp20)P0=~P0。tp=3。}}void delay_50(uint i){uchar j。for(。i0。i)for(j=19。j0。j)。}//50us 延時；voidxianshi(uchartp,ucharaa,ucharbb,ucharcc)// {P3_0=1。29P2=seg2[tp]。P3_0=0。P2=0x00。P3_7=1。P3_6=0。P3_5=1。P3_4=1。delay_50(10)。P3_7=0。delay_50(10)。P3_0=1。P2=seg1[aa]。P3_0=0。P2=0x00。P3_7=1。P3_6=0。P3_5=1。P3_4=0。delay_50(10)。P3_7=0。delay_50(10)。P3_0=1。P2=seg1[bb]。P3_0=0。P2=0x00。P3_7=1。P3_6=0。P3_5=0。P3_4=1。delay_50(10)。P3_7=0。delay_50(10)。30P3_0=1。P2=seg1[cc]。P3_0=0。P2=0x00。P3_7=1。P3_6=0。P3_5=0。P3_4=0。delay_50(10)。P3_7=0。delay_50(10)。}void SinWave()//正弦波。{TR0=0。TF0=0。TMOD=0X01。TH0=(65535ft)/255。TL0=(65535ft)%255。ET0=1。TR0=1。if(P1_0==0amp。amp。P1_1==0) //正弦{s1++。ss1=tosin[s1]。P0=ss1。tp=0。}}void TriWave()//三角波。{TR0=0。31TF0=0。TMOD=0X01。TH0=(65535ft)/255。TL0=(65535ft)%255。ET0=1。TR0=1。if(P1_0==0amp。amp。P1_1==1) //三角{if(s2==255)ss2=1。if(ss2==0)s2++。if(ss2==1){s2。if(s2==0)ss2=0。}P0=s2。tp=1。}}void ZigWave() //鋸齒波。{TR0=0。TF0=0。TMOD=0X01。TH0=(65535ft)/255。TL0=(65535ft)%255。ET0=1。TR0=1。if(P1_0==1amp。amp。P1_1==0) //鋸齒32{s3++。P0=s3。tp=2。}}void RecWave() //方波；{TR0=0。TF0=0。TMOD=0X01。TH0=(65535ft)/255。TL0=(65535ft)%255。ET0=1。TR0=1。if(P1_0==1amp。amp。P1_1==1) //方波{if(ftemp=20){fb。if(fb==0){s4=~s4。fb=ss4。}if(s4==0)P0=0x00。if(s4==1)P0=0xff。}if(ftemp20)P0=0xff。P0=~P0。33tp=3。}}void disply(){uint i=405。while(i){P3_0=1。P2=seg3[0]。P3_0=0。P2=0x00。P3_7=1。P3_6=1。P3_5=1。P3_4=1。delay_50(50)。P3_7=0。delay_50(10)。P3_0=1。P2=seg3[1]。P3_0=0。P2=0x00。P3_7=1。P3_6=1。P3_5=1。P3_4=0。delay_50(50)。P3_7=0。delay_50(10)。P3_0=1。34P2=seg3[2]。P3_0=0。P2=0x00。P3_7=1。P3_6=1。P3_5=0。P3_4=1。delay_50(50)。P3_7=0。delay_50(10)。P3_0=1。P2=seg3[3]。P3_0=0。P2=0x00。P3_7=1。P3_6=1。P3_5=0。P3_4=0。delay_50(50)。P3_7=0。delay_50(10)。P3_0=1。P2=seg3[4]。P3_0=0。P2=0x00。P3_7=1。P3_6=0。P3_5=1。P3_4=1。delay_50(50)。P3_7=0。delay_50(10)。35P3_0=1。P2=seg3[5]。P3_0=0。P2=0x00。P3_7=1。P3_6=0。P3_5=1。P3_4=0。delay_50(50)。P3_7=0。delay_50(10)。P3_0=1。P2=seg3[6]。P3_0=0。P2=0x00。P3_7=1。P3_6=0。P3_5=0。P3_4=1。delay_50(50)。P3_7=0。delay_50(10)。P3_0=1。P2=seg3[7]。P3_0=0。P2=0x00。P3_7=1。P3_6=0。P3_5=0。P3_4=0。delay_50(50)。36P3_7=0。delay_50(10)。}}void disply1() //延時等待 。{uint i=50。while(i){P3_0=1。P2=seg3[3]。P3_0=0。P2=0x00。P3_7=1。P3_6=1。P3_5=1。P3_4=1。delay_50(50)。P3_7=0。delay_50(10)。P3_0=1。P2=seg3[3]。P3_0=0。P2=0x00。P3_7=1。P3_6=1。P3_5=1。P3_4=0。delay_50(50)。P3_7=0。delay_50(10)。P3_0=1。37P2=seg3[3]。P3_0=0。P2=0x00。P3_7=1。P3_6=1。P3_5=0。P3_4=1。delay_50(50)。P3_7=0。delay_50(10)。P3_0=1。P2=seg3[3]。P3_0=0。P2=0x00。P3_7=1。P3_6=1。P3_5=0。P3_4=0。delay_50(50)。P3_7=0。delay_50(10)。P3_0=1。P2=seg3[3]。P3_0=0。P2=0x00。P3_7=1。P3_6=0。P3_5=1。P3_4=1。delay_50(50)。P3_7=0。delay_50(10)。38P3_0=1。P2=seg3[3]。P3_0=0。P2=0x00。P3_7=1。P3_6=0。P3_5=1。P3_4=0。delay_50(50)。P3_7=0。delay_50(10)。P3_0=1。P2=seg3[3]。P3_0=0。P2=0x00。P3_7=1。P3_6=0。P3_5=0。P3_4=1。delay_50(50)。P3_7=0。delay_50(10)。P3_0=1。P2=seg3[3]。P3_0=0。P2=0x00。P3_7=1。P3_6=0。P3_5=0。P3_4=0。delay_50(50)。39P3_7=0。delay_50(10)。}}/**********信息專業(yè)*********************/40