radio.i

一个车载音响控制程序,包括高保真立体收部分,VFD驱动显示,4路音频电子切换, 红外遥控控制 采用51单片机

#line 1 "radio.c" /0




 
 
 
 
  
#line 1 "E:\KEIL\C51\INC\REG52.H" /0






 
 
 
 
 
 
 sfr P0    = 0x80;
 sfr P1    = 0x90;
 sfr P2    = 0xA0;
 sfr P3    = 0xB0;
 sfr PSW   = 0xD0;
 sfr ACC   = 0xE0;
 sfr B     = 0xF0;
 sfr SP    = 0x81;
 sfr DPL   = 0x82;
 sfr DPH   = 0x83;
 sfr PCON  = 0x87;
 sfr TCON  = 0x88;
 sfr TMOD  = 0x89;
 sfr TL0   = 0x8A;
 sfr TL1   = 0x8B;
 sfr TH0   = 0x8C;
 sfr TH1   = 0x8D;
 sfr IE    = 0xA8;
 sfr IP    = 0xB8;
 sfr SCON  = 0x98;
 sfr SBUF  = 0x99;
 
 
 sfr T2CON  = 0xC8;
 sfr RCAP2L = 0xCA;
 sfr RCAP2H = 0xCB;
 sfr TL2    = 0xCC;
 sfr TH2    = 0xCD;
 
 
 
 
 sbit CY    = PSW^7;
 sbit AC    = PSW^6;
 sbit F0    = PSW^5;
 sbit RS1   = PSW^4;
 sbit RS0   = PSW^3;
 sbit OV    = PSW^2;
 sbit P     = PSW^0;  
 
 
 sbit TF1   = TCON^7;
 sbit TR1   = TCON^6;
 sbit TF0   = TCON^5;
 sbit TR0   = TCON^4;
 sbit IE1   = TCON^3;
 sbit IT1   = TCON^2;
 sbit IE0   = TCON^1;
 sbit IT0   = TCON^0;
 
 
 sbit EA    = IE^7;
 sbit ET2   = IE^5;  
 sbit ES    = IE^4;
 sbit ET1   = IE^3;
 sbit EX1   = IE^2;
 sbit ET0   = IE^1;
 sbit EX0   = IE^0;
 
 
 sbit PT2   = IP^5;
 sbit PS    = IP^4;
 sbit PT1   = IP^3;
 sbit PX1   = IP^2;
 sbit PT0   = IP^1;
 sbit PX0   = IP^0;
 
 
 sbit RD    = P3^7;
 sbit WR    = P3^6;
 sbit T1    = P3^5;
 sbit T0    = P3^4;
 sbit INT1  = P3^3;
 sbit INT0  = P3^2;
 sbit TXD   = P3^1;
 sbit RXD   = P3^0;
 
 
 sbit SM0   = SCON^7;
 sbit SM1   = SCON^6;
 sbit SM2   = SCON^5;
 sbit REN   = SCON^4;
 sbit TB8   = SCON^3;
 sbit RB8   = SCON^2;
 sbit TI    = SCON^1;
 sbit RI    = SCON^0;
 
 
 sbit T2EX  = P1^1;  
 sbit T2    = P1^0;  
 
 
 sbit TF2    = T2CON^7;
 sbit EXF2   = T2CON^6;
 sbit RCLK   = T2CON^5;
 sbit TCLK   = T2CON^4;
 sbit EXEN2  = T2CON^3;
 sbit TR2    = T2CON^2;
 sbit C_T2   = T2CON^1;
 sbit CP_RL2 = T2CON^0;
 
 
#line 9 "radio.c" /0
 
  
#line 1 "E:\KEIL\C51\INC\ABSACC.H" /0






 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
#line 24 "E:\KEIL\C51\INC\ABSACC.H" /1
  
  
  
  
 
#line 29 "E:\KEIL\C51\INC\ABSACC.H" /0
 
 
 
 
 
 
 
#line 10 "radio.c" /0
 
  
#line 1 "mylib.h" /0
 extern void inidelay();
 extern void sys_ini();
 extern bit re_re;
 extern unsigned long rddata(void);
 extern wrdata(unsigned long x);
 extern unsigned int swdata(unsigned int dat);
 extern void wr1(void);
 extern void mack();
 extern void wrone();
 extern bit wrnbyt(unsigned char add,unsigned char start,unsigned char num,unsigned char a[]);
 extern bit rdnbyt(unsigned char add,unsigned char num,unsigned char start,unsigned char a[]);
 extern void delay50();
 extern void radio();
 extern void iniband1(unsigned char a);
 extern void iniband();
 extern unsigned char remkey2;
 extern unsigned char delay_num;
 extern unsigned long stepserch(bit a,unsigned int b);
 extern vfddigit(unsigned int ch);
 extern void display(void);
 extern void wrvfd(unsigned char addr,unsigned char dat);
 extern unsigned long rdkey();
 extern void inivfd(void);
 extern void band_step(bit direction);
 extern void band_change(void);
 extern void station_search(bit,bit);
 extern void station_change(bit direction);
 extern void vfd_clean();
 extern void volcheack(void);
 extern void delaytime(unsigned int time);
 extern void vfd_test();
 extern void display();
 extern void sub_vol(unsigned char dirc);
 extern void channel(unsigned char fun);
 extern void wr_pt2313(unsigned char com);
 extern void vfd_volume(unsigned char fun);
 extern bit repeat();
 extern unsigned char volume;
 extern unsigned char trb_vol;
 extern unsigned char bas_vol;
 extern unsigned char band;
 extern unsigned char delay_fun;
 extern void trb_vol_ct(bit dirc);
 extern void bas_vol_ct(bit dirc);
 extern void flash_eras(unsigned int band);
 extern void flash_read(unsigned char add,unsigned int band,unsigned char a[]);
 extern void flash_prog(unsigned char add,unsigned int band,unsigned char b[]);
 extern bit key_sta;
 extern bit key_long;
 extern bit key();
 extern void taiwei();
 extern void mute_(bit fun);
 extern void radio_change();
 extern void band_change(void);
 extern void eqchange();
 extern void eq_vfd(unsigned char eq);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 extern union  
 {
  unsigned long all;
 struct
 {
  unsigned char addr    :8;   
  unsigned int frq      :16;  
  unsigned char cankao  :4;   
  unsigned char xs      :1;   
  unsigned char cte     :1;   
  unsigned char inp     :2;   
 }in0;
 }in0;
 extern union 
 {
  unsigned long da;
 struct
 {
  unsigned char addr    :8;   
  unsigned char bnc     :1;   
  unsigned char stmo    :1;   
  unsigned char ifen    :1;   
  unsigned char band    :1;   
  unsigned char io      :2;   
  unsigned char  ioc     :2;   
  unsigned char dz      :2;   
  unsigned char ul      :2;   
  unsigned char doc     :3;   
  unsigned char dnc     :1;   
  unsigned char test    :3;   
  unsigned char ifs     :1;   
  unsigned char dlc     :1;   
  unsigned char tbc     :1;   
  unsigned char gt      :2;   
 }in1;
 }in1;
#line 11 "radio.c" /0
 
 
 
 
 
 
 
 
 
 
 
 sbit vold=P0^0; 
 sbit voli=P0^1; 
 sbit funp=P0^2; 
 sbit next=P2^4; 
 sbit pre=P2^5; 
 sbit tuni=P2^6; 
 sbit tund=P2^7; 
 sbit fun_vfd=P1^4; 
 sbit fun_power=P3^3; 
 sbit mute_key=P0^5;
 sbit memory_key=P0^7;
 sbit band_key=P0^6;
 sbit power_key=P0^4;
 sbit tape_p=P3^1;
 sbit eq=P0^3;
 sbit mute=P3^5;
 sbit power_led=P1^0;
 bit key_sta;
 bit key_long;
 bit start=0;
 extern bit mute_l=0;
 extern bit power_l=0;
 bit key();
  unsigned char ab_am=0;
  unsigned char ab_fm=0;
 void pub();
 
 
 extern unsigned char eq_l;
  unsigned char u;
  unsigned char k;
  unsigned char fun=0;
  unsigned char code dx58[3] _at_ 0x3b;
 extern unsigned char remkey;	  
  unsigned char tai;				  
  unsigned char band; 
 bit int_power_off=0;
 static bb;
 extern unsigned char ab=0;	  
  unsigned long e=4;				 
  unsigned char i=4;				
  unsigned char b[2]={2,3};			   	 
  unsigned char a[2];			     
 main()
 { 
 remkey=0x99;
 fun_power=0; 
 m:  
 key_long=key();
 sys_ini();
 tape_p=1;
 while(1)
 {
 if(!int_power_off)
 {
 remkey=0x99;
 power_l=1;
 }
 
 
 volcheack();
 if(remkey==0x99) 
 {
 fun_power=0; 
 fun_vfd=0;     
 vfd_clean();
 remkey=0;
 power_led=1;
 mute_(1);
 int_power_off=1;
 }
 if(remkey==0x98) 
 {
 remkey=0;
 mute_(0);
 power_led=0;
 int_power_off=1;
 goto 	m;
 }
 if(!power_l)
 {
 if(remkey==0x97)
 eqchange();	 
 if(remkey==0xdf)				 
 band_change();		                 
 if(band==0||band==1)
 {
 if(remkey==0x78)				 
 radio_change();
 else if(remkey==0xB5)
 station_search(0,1);	 
 else if(remkey==0xef)
 {
 if(TR0)
 {
 if(ab<50)
 ab++;
 else
 ab=0;
 taiwei();
 remkey=0x00; 
 }
 else
 station_change(1); 
 }
 else if(remkey==0x85)
 {
 if(TR0)
 {
 if(ab>=1)
 ab--;
 taiwei();
 remkey=0x00;       
 }
 else
 station_change(0); 
 }
 else if(remkey==0x33)
 station_search(1,1);	 
 else if(remkey==0x34)
 station_search(1,0);	 
 else if(remkey==0x55)
 band_step(1);	     
 else if(remkey==0x77)
 band_step(0);	 
 }
 if(remkey==0x64) 
 sub_vol(1);
 else if(remkey==0x65) 
 sub_vol(0);
 else if(remkey==0x47) 
 {
 bb=~bb;
 if(bb)
 TR0=1;
 else
 { 
 TR0=0;
 if(band==0)
 in0.in0.frq=swdata(swdata(in0.in0.frq)-1);
 if(band==1)
 in0.in0.frq=swdata(swdata(in0.in0.frq)-0x10);
 b[0]=in0.in0.frq>>8;
 b[1]=in0.in0.frq;
 if(band==0)
 wrnbyt(0xa0,ab*2,2,b);
 else if(band==1)
 wrnbyt(0xa0,ab*2+120,2,b);
 taiwei();
 }
 remkey=0x00;
 }
 }}
 }
 void display()		 
 {
 if(in1.in1.band==1)
 vfddigit(swdata(in0.in0.frq<<4)*5-450); 
 else
 vfddigit(swdata(in0.in0.frq)/2-107);	  
 }
 void band_step(bit direction)				  
 {
 iniband();
 iniband1(band);
 pub();
 e=stepserch(direction,in0.in0.frq);	 
 vfd_clean();
 display();
 remkey=0x00;
 }
 void band_change(void)					   
 {  
 TR0=0;  
 fun++;
 if(band==3)
 {
 band=2;
 vfd_clean();
 wrvfd(0x05,0x5f); 
 wrvfd(0x04,0x24);
 wrvfd(0x07,0x5e);
 fun_power=1; 
 fun_vfd=1;     
 channel(1);
 remkey=0x00;
 return;
 }
 else if(band==2)
 {
 band=0;
 fun_power=0; 
 fun_vfd=0;     
 channel(0);
 vfd_clean();        
 if(band==0)
 ab=ab_fm;
 else
 ab=ab_am;
 if(band==0)
 rdnbyt(0xa0,ab*2,2,a);			  
 else
 rdnbyt(0xa0,ab*2+120,2,a);
 in0.in0.frq=a[0];					 
 in0.in0.frq=(in0.in0.frq<<8)|(0x00ff&a[1]); 
 iniband1(band);					   
 e=stepserch(1,in0.in0.frq);		   
 display();							   
 remkey=0x00;
 }
 else if((band==0)||(band==1))
 {
 band=3;
 fun_power=0; 
 fun_vfd=0;     
 channel(2);
 vfd_clean();        
 wrvfd(0x06,0x40);
 wrvfd(0x07,0xfd);
 wrvfd(0x04,0xfa);
 wrvfd(0x05,0xb6);
 remkey=0x00;
 }
 }
 
 void station_change(bit direction)		  
 {	 
 if(direction)
 {
 if(ab<50)
 ab++;
 else
 ab=0;
 }
 else
 {
 if(ab>=1)
 ab--;
 }
 if(band==0)
 rdnbyt(0xa0,ab*2,2,a);			  
 else
 rdnbyt(0xa0,ab*2+120,2,a);
 in0.in0.frq=a[0];					 
 in0.in0.frq=(in0.in0.frq<<8)|(0x00ff&a[1]); 
 iniband();
 iniband1(band);
 e=stepserch(1,in0.in0.frq);
 vfd_clean();
 display();
 remkey=0x00;
 if(band==0)
 ab_fm=ab;
 else
 ab_am=ab;
 }
 void station_search(bit reuse,bit dir)			   
 {
 mute_(1);
 pub();
 if(band==1)
 {
 iniband();
 iniband1(band); 
 if(reuse==0)				
 in0.in0.frq=0x0a30;			 
 ab=0;
 remkey=0x00;
 while((in0.in0.frq!=0x0230)&(in0.in0.frq!=0x0d98))		     
 { 	 
 e=(stepserch(dir,in0.in0.frq)&0x0000ffff);
 display();
 if((e<0x3880)&&(e>0x3800)) 
 {
 b[0]=in0.in0.frq>>8;
 b[1]=in0.in0.frq;
 if(reuse==1)
 {
 
 goto likai;               
 }
 wrnbyt(0xa0,ab*2+120,2,b);  
 
 ab=ab+1;
 }
 if(tund&&tuni)
 key_long=1;
 if(key_long)
 if(!tund||!tuni)
 {
 key_long=0;
 goto likai;
 }
 if(remkey==0xed)
 {
 remkey=0;
 goto likai;
 }
 if(remkey==0xb5)
 {
 remkey=0x27;
 mute_(0);
 return;
 }
 }
 }
 else if(band==0)
 {
 iniband();
 iniband1(band); 
 ab=0;
 remkey=0x00;	
 if(reuse==0)	
 in0.in0.frq=0x35e0;			 
 while((in0.in0.frq!=0x85e0)&(in0.in0.frq!=0x6290))			     
 { 	
 e=(stepserch(dir,in0.in0.frq)&0x000fffff);
 display();
 if((e<0x539c0)&&(e>0x53880)) 
 {
 b[0]=in0.in0.frq>>8;
 b[1]=in0.in0.frq;
 if(reuse==1)
 {
 goto likai;               
 }
 wrnbyt(0xa0,ab*2,2,b);  
 
 ab=ab+1;
 }
 if(tuni&&tund)
 key_long=1;
 if(key_long)
 if(!tuni||!tund)
 {
 key_long=0;
 goto likai;
 }
 if(remkey==0xed||remkey==0x1d)
 {
 remkey=0;
 goto likai;
 }
 if(remkey==0xb5)
 {
 remkey=0x27;
 mute_(0);
 return;
 }
 
 }	
 
 }
 likai:
 remkey=0x00;
 tai=0x00;
 mute_(0);
 if (reuse==0)
 {
 ab=0;
 remkey=0xef;
 }
 }
 void volcheack(void)
 {  
  unsigned char a;
 voli=1;
 vold=1;
 if(!funp)
 {
 while(!funp);
 remkey=0xdf;
 return;
 }      
 if((band!=2)&&(band!=3))
 {
 if(!next)
 {
 while(!next);
 remkey=0xef;
 return;
 }      
 if(!pre)
 {
 delaytime(10);
 while(!pre);
 remkey=0x85;
 return;
 }      
 if(!memory_key)
 {
 delaytime(400);
 while(!memory_key);
 remkey=0x47;
 return;
 }      
 if(!band_key)
 {
 delaytime(400);
 while(!band_key);
 remkey=0x78;
 return;
 }      
 
 }       	
 if(!power_key)
 {
 delaytime(400);
 while(!power_key);
 power_l=~power_l;
 if(power_l)
 remkey=0x99;
 else
 remkey=0x98;
 return;
 }      
 if(!eq)
 {
 delaytime(400);
 while(!eq);
 remkey=0x97;
 return;
 }      
 if(!mute_key)
 {
 delaytime(400);
 while(!mute_key);
 if(!mute_l)
 {
 mute_l=~mute_l;
 mute_(1);
 }
 else
 {
 mute_l=~mute_l;
 mute_(0);
 remkey=0x00;
 }
 return;
 }   
 if(tuni&&tund)
 key_sta=0; 
 if(band!=2&&band!=3)
 {
 if(!key_sta)
 {
 if(!tuni) 
 {
 delaytime(400);
 key_sta=key();
 if(key_sta)
 remkey=0x34; 
 else
 remkey=0x77; 
 }
 if(!tund) 
 {
 delaytime(400);
 key_sta=key();
 if(key_sta)
 remkey=0x33; 
 else
 remkey=0x55; 
 }
 }
 }
 if(voli&&vold) 
 {
 for(a=0;a<3;a++)
 {
 if(!(voli&&vold))
 {
 start=0;
 return;
 }
 }
 start=1;
 return;
 }
 if(start)
 {
 start=0;
 delaytime(100);
 if(voli==0)
 {
 remkey=0x65;
 return;
 }
 
 delaytime(100);
 if
 (vold==0)
 {
 
 remkey=0x64;
 return;
 }
 } 
 
 }
 void sys_ini()
 {  
 delaytime(50000);
 inidelay();         
 band=3;		    
 inivfd();		    
 vfd_clean();        
 fun_power=0; 
 fun_vfd=0;     
 mute=0;
 mute_(0);
 volume=39;
 channel(0);
 band_change();
 sub_vol(1);
 wr_pt2313(0x80);
 wr_pt2313(0xa0);
 wr_pt2313(0xc0);
 wr_pt2313(0xe0);
 }
 void pub()
 {
 if(in0.in0.frq==0x0230)
 in0.in0.frq=0x0a30;
 if(in0.in0.frq==0x0398)
 in0.in0.frq=0x0d98;
 if(in0.in0.frq==0x85e0)
 in0.in0.frq=0x45e0;
 if(in0.in0.frq==0xe290)
 in0.in0.frq=0x6290;
 }
 bit key()
 {
  unsigned int b;
  unsigned char a;
 for(a=0;a<75;a++)
 for(b=0;b<1000;b++)
 {
 if((tuni)&&(tund))
 return(0);
 }
 return(1);
 }
 void mute_(bit fun)
 {
 if(fun==1)
 {
 wr_pt2313(0xdf);
 wr_pt2313(0xff);
 }
 else if(fun==0)
 {
 wr_pt2313(0x80);
 wr_pt2313(0xa0);
 wr_pt2313(0xc0);
 wr_pt2313(0xe0);
 wr_pt2313((0x3f&(63-volume)));
 }
 } 
 void radio_change()
 {
 if((band==1)||(band==0))
 {
 if(band==0)
 band=1;
 else if(band==1)
 band=0;
 fun_power=0; 
 fun_vfd=0;     
 channel(0);
 vfd_clean();        
 if(band==0)
 ab=ab_fm;
 else
 ab=ab_am;
 iniband();							  
 if(band==0)
 rdnbyt(0xa0,ab*2,2,a);			  
 else
 rdnbyt(0xa0,ab*2+120,2,a);
 in0.in0.frq=a[0];					 
 in0.in0.frq=(in0.in0.frq<<8)|(0x00ff&a[1]); 
 iniband1(band);					   
 e=stepserch(1,in0.in0.frq);		   
 display();							   
 remkey=0x00;
 remkey=0;
 }
 remkey=0;
 }