tv.h

PHILIPS FQ1286高频头c51驱动程序

 
#define   CHUP           0X1e
#define   CHDOWN         0X1d 
#define   VOLUP          0X1b 
#define   VOLDOWN        0X17
#define   STORE          0X0f
#define   SMODE          0X15

typedef enum
{
 TVSTATUS,
  AVSTATUS,
  DVDSTATUS
}SYS_STATUS;

SYS_STATUS  TV_STATUS;
sbit REM_TV    =  P1^1;
unsigned char togglebit;
    
unsigned char code tab_tv[] =   {TVPHILIP_TEXT_TIME,TVPHILIP_CCD ,  TVPHILIP_7 ,  TVPHILIP_1 ,      TVPHILIP_TUNE_DOWN ,   TVPHILIP_10P ,   TVPHILIP_4 ,     0X0FF ,
                                 TVPHILIP_TEXT_TV, TVPHILIP_SEARCH_UP , TVPHILIP_8 ,  TVPHILIP_2 ,      TVPHILIP_TUNE_UP ,   TVPHILIP_0 ,  TVPHILIP_5 ,     0X0FF ,
                                 TVPHILIP_TEXT_MIX,TVPHILIP_MENU, TVPHILIP_9,  TVPHILIP_3,      TVPHILIP_DOWN,   TVPHILIP_UP,  TVPHILIP_6,     0XFF,
                                 TVPHILIP_TEXT_PAGE_DOWN,TVPHILIP_RIGHT,TVPHILIP_PP, TVPHILIP_MENU_1, TVPHILIP_TEXT_RESET, TVPHILIP_TV_AV,TVPHILIP_SLEEP,0XFF,
                                 0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,
                                 0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,
                                 0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,
                                 0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,
                                 TVPHILIP_CH_DOWN,0x0ff,0x0ff,0x0ff,0x0ff,TVPHILIP_CH_UP,0X0FF,0x0ff,
                                 0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,
                                 0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,0x0ff,TVPHILIP_MUTE,
                                 TVPHILIP_VOL_DOWN,0x0ff,0x0ff,TVPHILIP_POWER,TVPHILIP_VOL_UP,0x0ff,0x0ff,0x0ff};

/*
void delay50ms()
{unsigned int i;
// EA=0;
 for(i=0;i<2000;i++)
 delay100us();
// EA=1;
}

void delay200ms()
{ unsigned char i,j;
  EA=0;
  for(i=0;i<150;i++)
  for(j=0;j<120;j++)
  {}
  EA=1;
  }

void delay1s()
{unsigned char i;
 EA=0;
 for(i=0;i<5;i++)
 delay50ms();
 EA=1;
}

void delay2s()
{unsigned char i;
// EA=0;
 for(i=0;i<10;i++)
 delay50ms();
// EA=1;
}
*/

void send_tv(unsigned char datacode)// for RC-5 format add TDA3048
{

unsigned char i,j;
unsigned char systemcode=0x00;

EA=0;
for(i=0;i<2;i++) // start bit
  {
    REM_TV=1;
    for(j=0;j<9;j++)
    delay100us();
    REM_TV=0;
    for(j=0;j<9;j++)
    delay100us();
   }
      
 if(togglebit)
 {  
   REM_TV=1;
    for(j=0;j<9;j++)
    delay100us();
    REM_TV=0;
    for(j=0;j<9;j++)
    delay100us();	
    togglebit=!togglebit;
   }
   else
   {
    REM_TV=0;
    for(j=0;j<9;j++)
    delay100us();
    REM_TV=1;
    for(j=0;j<9;j++)
    delay100us();
    togglebit=!togglebit;
    }
   for(i=0;i<5;i++)// system address
   {
   	if(systemcode&0x10)
     {
      REM_TV=1;
      for(j=0;j<9;j++)
      delay100us();
      REM_TV=0;
      for(j=0;j<9;j++)
      delay100us();
     }    
    else
     {
      REM_TV=0;
      for(j=0;j<9;j++)
      delay100us();
      REM_TV=1;
      for(j=0;j<9;j++)
      delay100us();
	} 
    systemcode<<=1;
 
   
   }
 for(i=0;i<6;i++)// data code
  {
   if(datacode&0x20)
     {
      REM_TV=1;
      for(j=0;j<9;j++)
      delay100us();
      REM_TV=0;
      for(j=0;j<9;j++)
      delay100us();
     }    
    else
     {
      REM_TV=0;
      for(j=0;j<9;j++)
      delay100us();
      REM_TV=1;
      for(j=0;j<9;j++)
      delay100us();
	} 
    datacode<<=1;
}	
REM_TV=1;
for(i=0;i<28;i++)
delay100us();
EA=1;

}

void init_tv(void)
{
 REM_TV=1;
}