i2c.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 "I2C.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 "I2C.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 "I2C.c" /0
 
  
#line 1 "E:\KEIL\C51\INC\INTRINS.H" /0






 
 
 
 
 
 extern void          _nop_     (void);
 extern bit           _testbit_ (bit);
 extern unsigned char _cror_    (unsigned char, unsigned char);
 extern unsigned int  _iror_    (unsigned int,  unsigned char);
 extern unsigned long _lror_    (unsigned long, unsigned char);
 extern unsigned char _crol_    (unsigned char, unsigned char);
 extern unsigned int  _irol_    (unsigned int,  unsigned char);
 extern unsigned long _lrol_    (unsigned long, unsigned char);
 extern unsigned char _chkfloat_(float);
 extern void          _push_    (unsigned char _sfr);
 extern void          _pop_     (unsigned char _sfr);
 
 
 
#line 11 "I2C.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 12 "I2C.c" /0
 
 
 sbit da=P3^6;
 sbit cl=P3^7;
  unsigned char eq_l;
  unsigned char volume=32;
  unsigned char bas_vol=0x07;
  unsigned char trb_vol=0x07;
  unsigned char code eff[15]={0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xfe,0xfd,0xfc,0xfb,0xfa,0xf9,0xf8};
 extern unsigned char remkey;
 void sta()	  
 {
 da=1;
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 cl=1;
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 da=0;
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 cl=0;
 }
 void stop()	 
 {
 da=0;
 cl=1;
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 da=1;
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 da=0;
 cl=0;
 }
 void mack() 
 {
 da=0;
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 cl=1;
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 cl=0;
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 da=1;
 }
 void nmack() 
 {
 da=1;
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 cl=1;
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 cl=0;
 da=0;
 
 }
 bit cack()  
 {
 bit a=0;
 da=1;
 cl=1;
 if(da==0)
 {
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 _nop_(); 
 cl=0;
 return(0);
 }
 else 
 {
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 _nop_(); 
 cl=0;
 return(1);
 }
 }
 void wr1(void) 
 {
 da=1;
 cl=1;
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 cl=0;
 da=0;
 }
 void wr0() 
 {
 da=0;
 cl=1;
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 cl=0;
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 _nop_();
 }
 wrbyt(unsigned char byt) 
 {
  unsigned char temp=0x00;
  unsigned char count;
 for(count=0;count<8;count++)
 {
 if((byt<<count)&0x80)
 wr1();
 else
 wr0();  
 }
 }
  unsigned char rdbyt()  
 {
  unsigned char a=0,i=0;
 for(i=0;i<8;i++)
 {
 da=1;
 cl=1;
 if(da==1)
 {
 a=(a<<1)+1;
 cl=0;
 }
 else if(da==0)
 {
 a=a<<1;
 cl=0;
 }
 }
 return(a);
 }
 bit wrnbyt(unsigned char add,unsigned char start,unsigned char num,unsigned char *k)  
 {  	
  unsigned char *p=k;
  unsigned char dk;
 for(dk=0;dk<num;dk++,p++)
 {
 sta();
 wrbyt(add);
 mack();
 wrbyt(start);
 start=start+1;
 mack();
 wrbyt(*p);
 mack();
 stop();
 delaytime(5000);
 }
 return(1); 
 }
 bit rdnbyt(unsigned char add,unsigned char start,unsigned char num,unsigned char a[])   
 {
  unsigned char *p=a;
  unsigned char dk;
 sta();
 wrbyt(add);
 if(cack())
 return(1);
 wrbyt(start);
 if(cack())
 return(1);
 sta();
 wrbyt(add+1);
 if(cack())
 return(1);
 for(dk=0;dk<num;dk++,p++)
 {
 *p=rdbyt();
 
 if(dk==num-1)
 nmack();
 else
 mack();
 } 
 stop();
 return(0);
 }
 void wr_pt2313(unsigned char com)
 {
 sta();
 wrbyt(0x88);
 mack();
 wrbyt(com);
 mack();
 stop();
 }
 void channel(unsigned char fun)
 {
 if(fun==1)
 wr_pt2313(0x5e);
 if(fun==0)
 wr_pt2313(0x5d);
 if(fun==2)
 wr_pt2313(0x4f);
 }
 void sub_vol(unsigned char dirc)
 {
 if(dirc)
 {
 if(volume<63)
 volume++;    
 }
 else
 {
 if(volume>0)
 volume--;
 } 
 wr_pt2313((0x3f&(63-volume)));
 remkey=0x00;
 vfd_volume(0); 
 }
 void trb_vol_ct(bit dirc)
 {
 if(dirc)
 {
 if(trb_vol<14)
 trb_vol++;    
 }
 else
 {
 if(trb_vol>0)
 trb_vol--;
 } 
 wr_pt2313((0x7f&(eff[trb_vol])));
 remkey=0x00;
 vfd_volume(3); 
 }
 
 void bas_vol_ct(bit dirc)
 {
 if(dirc)
 {
 if(bas_vol<14)
 bas_vol++;    
 }
 else
 {
 if(bas_vol>0)
 bas_vol--;
 } 
 wr_pt2313((0x6f&(eff[bas_vol])));
 remkey=0x00;
 vfd_volume(1); 
 }
 void eqchange()
 {
 if(eq_l==0)
 {
 wr_pt2313((0x6f&(eff[8])));
 wr_pt2313((0x7f&(eff[8])));
 eq_vfd(eq_l);
 eq_l=1;
 }
 else if(eq_l==1)
 {
 wr_pt2313((0x6f&(eff[14])));
 wr_pt2313((0x7f&(eff[14])));
 eq_vfd(eq_l);
 eq_l=2;
 }
 else if(eq_l==2)
 {
 wr_pt2313((0x6f&(eff[4])));
 wr_pt2313((0x7f&(eff[14])));
 eq_vfd(eq_l);
 eq_l=3;
 }
 else if(eq_l==3)
 {
 wr_pt2313((0x6f&(eff[14])));
 wr_pt2313((0x7f&(eff[4])));
 eq_vfd(eq_l);
 eq_l=0;
 }
 remkey=0;
 }