main.c

LCDTV的source code,含周邊ic的driver code ,scaler ,

/*******************************************************************************
  MAIN.C
  Copyright (c) SmartASIC, Inc. All rights reserved.
*******************************************************************************/
#include <MTV230.H>
#include <DEFINE.H>
#define DETECT_PERIOD 36//252ms //Loop1=7ms
/*==============================================================================

==============================================================================*/
void Main(void) {

  unsigned int DetectTime;
  unsigned char i, j;

  //-----MTV230-----//
  PADMOD[0]=0xe1;
  PADMOD[1]=0x83;
  PADMOD[2]=0xfc;
  PADMOD[3]=0xfc;
  OPTION=0x00;
  HVINTFLG=HVINTEN=0x00;
  HVCTR0=0x41;
  HVCTR2=0x00;
  ADC=WDT=0x00;
  
  //-----8051-----//
  IE=IP=TMOD=TCON=SCON=TH0=TL0=TH1=TL1=0;
  TMOD=0x11;//mode1 for timer1, mode1 for timer0
  TH0=0x3c;//Timer0 using 50ms interrupt
  TL0=0xb0;
  TH1=0x3c;//Timer0 using 50ms interrupt
  TL1=0xb0;
  EA=1;
  ET0=TR0=1;
  
  //---Remote Control---//
  Remote_Code.ir_rdy=Remote_Code.ir_index=Remote_Code.ir_sys=Remote_Code.ir_cmd=0;
  EX0=1;

Start:
  Initial();

Source_Select:
  Switch_Source(Source);
  Blank_TV_Screen();
  Display_Window();
  OSD_Show(1,0,0,0,0);
  Power_Sequence(YES);
  Set_Caption(0);
  Pre_VChipSys=Pre_VChipRating=Pre_VChipMisc=0;
  while(!Set_Line21())
    Z86_Reset();
  OSD_CountDown=DISPLAY_TIMER;
  Remote=REMOTE_NULL;
  
  switch(Source) {
    case(AV1):
    case(AV2):
    case(AV3):
      goto AV_Loop;
    break;
    case(TV):
      goto TV_Loop;
    break;
    }

//***************************AV Close Loop****************************************//
AV_Loop:

//---------------------------initial-----------------------------//
/*
  Video_Source=Video_Detection();
  if(Video_Source==NOVIDEO) {
    bno_signal=0;
    }
  else {
    bno_signal=1;
    }
  DetectTime=0;
*/
  Pre_Video_Source=255;
//-----------------------------looping---------------------------//
  while(1){
    //-----Signal Detecting-----//
    Video_Source=Video_Detection();
    if(Video_Source!=Pre_Video_Source) {//signal different
      Pre_Video_Source=Video_Source;//update signal type
      DetectTime=0;//reset stable counter
      Set_Mute(1);
      Set_Caption(0);
      Pre_VChipSys=Pre_VChipRating=Pre_VChipMisc=0;
      }
    else {//signal the same
      if(DetectTime<DETECT_PERIOD)//wait sync stable
        DetectTime++;
      if(DetectTime==DETECT_PERIOD) {//signal stable
        DetectTime=(DETECT_PERIOD+1);
        if(Video_Source==NOVIDEO) {
          Set_Background(YES, BLUE);
          }
        else {
          Video_Setting(Video_Source);
          Set_Background(NO, BLACK);
          Set_Mute(Mute);
          Set_Caption(Caption);
          }
        }
      }

    //-----Program Rating-----//
    /*
    if(Program_Rating(&Now_VChipSys, &Now_VChipRating, &Now_VChipMisc)) {
      if((Now_VChipSys!=Pre_VChipSys)||(Now_VChipRating!=Pre_VChipRating)||(Now_VChipMisc!=Pre_VChipMisc)) {
        OSD_Show(0,0,0,0,0);
        Page=201;
        Item=0;
        badjust=0;
        VChip_Display();
        OSD_Show(1,0,0,0,0);       
        }
      }
    */

    //-----KeyBoard pressed-----//
    Get_Key();
    if(bkey_code_now!=KEY_NULL) {
      if(bkey_code_now==KEY_SOURCE) {//SOURCE key switch to next source
        Source=(Source+1)%4;
        EE_MCU_Byte_Write(EE_SOURCE, Source);
        goto Source_Select;
        }
      if(bkey_code_now==KEY_POWER) {//POWER key pressed to POWER DOWN
        goto Start;
        }
      if(bsmart) {//Normal OSD
        Smart_OSD();
        }
      else {              
        if(bfactory)
          Factory_OSD();
        else
          Video_OSD();
        Smart();
        }
      }

    //-----Remote Control active-----//
    if(Remote!=REMOTE_NULL) {
      Remote_OSD();
      Remote=REMOTE_NULL;
      }

    //-----Password Input Process-----//
    if((PassDig==6)&&(Page==110)) {
      if((PassIn==FACTORY_PASSWORD)||(PassIn==Password)) {
        OSD_Show(0,0,0,0,0);
        switch(Item) {
          case(1)://V-Chip Form
            Page=200;
            Item=1;
            badjust=1;
            VChip_Window();
            OSD_Show(1,0,0,0,0);
          break;
          }
        }
      else {
        Print_String(1, 1, "  Password Incorrect! ", RED|BLINK);
        DelayX10ms(200);
        OSD_Show(0,0,0,0,0);
        Page=Item=badjust=0;
        }
      PassIn=PassDig=0;    
      }

    //---OSD OFF Timer---//
    if(bosdtimeout) {
      if(bhotosd) {//hot adjustment off after HOT_TIMER seconds
        Page=Item=badjust=bhotosd=0;
        OSD_Show(0,0,0,0,0);
        }
      else {
        if((Page==100)&&(Item==0)) {//in DISPLAY WINDOW
          if(OSD_Disp==0) {
            Page=Item=badjust=bhotosd=0;
            OSD_Show(0,0,0,0,0);
            }
          }
        else {//in other windows
          if(OSD_Disp==1) {//decide if re-show DISPLAY_WINDOW
            OSD_Show(0,0,0,0,0);
            Display_Window();
            OSD_Show(1,0,0,0,0);
            }
          else {
            Page=Item=badjust=bhotosd=0;
            OSD_Show(0,0,0,0,0);
            }
          }
        }
      OSD_CountDown=0;
      bosdtimeout=0;
      }

    //---Sleep Timer---//
    if(bshutdown) {
      bshutdown=0;
      goto Start;
      }

    }
//***************************AV Close While Loop**********************************//


//********************************TV Close Loop***********************************//
TV_Loop:

  //---------------------------initial-----------------------------//
  bno_signal=1;
  CH_Input=Input_CountDown=0;
  bsetchok=Channel_Input(255);
  Pre_Channel=Channel;
  Set_Channel(Channel);
  Video_Setting(NTSC);
  DetectTime=0;
   
//-----------------------------looping---------------------------//
  while(1){

    //-----Signal Detecting-----//
    Video_Source=Video_Detection();

    if(bno_signal) {//ON from No Signal
      if(Video_Source!=NOVIDEO) {
        if(DetectTime==0) {//initial MTS for new coming
          MSP_Write_Address(WR_DEM, 0x0020, 0x0020);//BTSC-Stereo
          MSP_Write_Address(WR_DEM, 0x0030, 0x2003);//enable automatic detect
          }          
        if(DetectTime++==DETECT_PERIOD) {//SYNC stable period OK
          Real_MTS=Get_MTS_Mode();//get MTS status
          Set_MTS_Mode(MTS_Mode);//set MTS
          Set_Caption(Caption);//set caption
          i=EE_MCU_Byte_Read(ChannelLockTable_EEPROM_Address()+Channel/8);//read channel lock information
          j=Channel%8;
          if(Get_Bit(i, j)==0) {            //Channel==UnLock
            Set_Background(NO, BLACK);      //Turn ON screen
            if(Page==100) {                 //display message
              Display_MTS_Type(MTS_Mode);
              OSD_CountDown=DISPLAY_TIMER;
              }
            Set_Mute(Mute);                    
            }
          else {                            //Channel==Lock
            Set_Background(YES, BLUE);      //turn screen to blue
            Set_Mute(1);                    //disable audio
            OSD_Show(0,0,0,0,0);            //turn off OSD
            Page=110;                       //display password dialog
            Item=badjust=bhotosd=0;
            Password_Dialog();
            OSD_Show(1,0,0,0,0);
            }
          DetectTime=bno_signal=0;
          Pre_VChipSys=Pre_VChipRating=Pre_VChipMisc=0;
          }
        }
      else {//SYNC not stable & keep on polling
        DetectTime=0;
        }
      }
    else {//if no SYNC
      if(Video_Source==NOVIDEO) {
        Blank_TV_Screen();
        Set_Mute(1);     
        Set_Caption(0);
        if(Page==100)
          Print_String(2, 0, "      ", GREEN);
        bno_signal=1;
        DetectTime=0;
        }
      }

    //-----Program Rating-----//
    if(Program_Rating(&Now_VChipSys, &Now_VChipRating, &Now_VChipMisc)) {
      if((Now_VChipSys!=Pre_VChipSys)||(Now_VChipRating!=Pre_VChipRating)||(Now_VChipMisc!=Pre_VChipMisc)) {
        OSD_Show(0,0,0,0,0);
        Page=201;
        Item=0;
        badjust=0;
        VChip_Display();
        OSD_Show(1,0,0,0,0);       
        }
      }

    //-----KeyBoard pressed-----//
    Get_Key();
    if(bkey_code_now!=KEY_NULL) {
      if(bkey_code_now==KEY_SOURCE) {//SOURCE key switch to next source
        Source=(Source+1)%4;
        EE_MCU_Byte_Write(EE_SOURCE, Source);
        goto Source_Select;
        }
      if(bkey_code_now==KEY_POWER) {//POWER key pressed to POWER DOWN
        goto Start;
        }
      if(bsmart) {//Normal OSD
        Smart_OSD();
        }
      else {
        if(bfactory)
          Factory_OSD();
        else {
          Video_OSD();
          Smart();
          }
        }
      }

    //-----Remote Control active-----//
    if(Remote!=REMOTE_NULL) {
      Remote_OSD();
      Remote=REMOTE_NULL;
      }

    //-----Input Set Channel Timer-----//
    if(bsetchok) {
      CH_Input=String_To_Int(Channel_Input_Str, 3);
      if(((TV_Mode==TV_AIR)&&(CH_Input>0)&&(CH_Input<70))||((TV_Mode!=TV_AIR)&&(CH_Input>0)&&(CH_Input<126))) {
        Blank_TV_Screen();
        Set_Caption(0);
        bno_signal=1;  
        Pre_Channel=Channel;
        Channel=CH_Input-1;
        Set_Channel(Channel);
        EE_MCU_Byte_Write(Channel_EEPROM_Address(), Channel);
        }
      Channel_Display();//Print_Char(1, 3, Channel+1, GREEN);
      CH_Input=0;
      bsetchok=Channel_Input(255);
      OSD_CountDown=HOT_TIMER;
      }

    //-----?????-----//
/*    if(bno_signal) {
      OSD_CountDown=5;
      DetectTime=0;
      }*/

    //-----Password Input Process-----//
    if(PassDig==6) {
      if((PassIn==FACTORY_PASSWORD)||(PassIn==Password)) {
        OSD_Show(0,0,0,0,0);
        switch(Page) {
          case(110)://Channel Lock/Unlock
            Page=4;
            Item=5;
            badjust=1;
            Adjustment_Win();
            OSD_Show(1,0,0,0,0);
          break;
          case(120)://V-Chip Form
            Page=200;
            Item=0;
            badjust=1;
            VChip_Window();
            OSD_Show(1,0,0,0,0);
          break;
          case(130)://Renew Password
            
          break;
          }
        }
      else {
        switch(Page) {
          case(110):
          case(120):
            Print_String(2, 3, "PASSWORD INCORRECT!", RED|BLINK);
            DelayX10ms(200);
            Print_String(2, 3, " PASSWORD: ", WHITE);
            Print_String(2, 14, "------  ", WHITE|BLINK);
          break;
          case(130):
            Password=PassIn;
            EE_MCU_Byte_Write(EE_PASSWORD+0, Password/256);
            EE_MCU_Byte_Write(EE_PASSWORD+1, Password%256);
            Print_String(2, 3, "PASSWORD RENEW OK! ", RED|BLINK);
            DelayX10ms(200);
            Page=Item=badjust=bhotosd=0;
            OSD_Show(0,0,0,0,0);
          break;
          }
        }
      PassIn=PassDig=0;    
      }

    //---OSD OFF Timer---//
    if(bosdtimeout) {
      if(bhotosd) {//hot adjustment off after HOT_TIMER seconds
        Page=Item=badjust=bhotosd=0;
        OSD_Show(0,0,0,0,0);
        }
      else {
        if((Page==100)&&(Item==0)) {//in DISPLAY WINDOW
          if(OSD_Disp==0) {
            Page=Item=badjust=bhotosd=0;
            OSD_Show(0,0,0,0,0);
            }
          }
        else {//in other windows
          if(OSD_Disp==1) {//decide if re-show DISPLAY_WINDOW
            OSD_Show(0,0,0,0,0);
            Display_Window();
            OSD_Show(1,0,0,0,0);
            }
          else {
            Page=Item=badjust=bhotosd=0;
            OSD_Show(0,0,0,0,0);
            }
          }
        }
      OSD_CountDown=0;
      bosdtimeout=0;
      }
    
    //---Sleep Timer---//
    if(bshutdown) {
      bshutdown=0;
      goto Start;
      }

	}
//********************************TV Close Loop***********************************//

  }