key.c

这是一个7"LCD 液晶屏显示器

#include "indash.h"

extern          char    Current_Status;
extern          char    PICSEL_Next_Mode;
extern          char    Down_Time_Flag;
extern          char    Mute_Flag;
extern          char    Down_Time_Cnt;
extern          char    Color_Value;
extern          char    Tint_Value;
extern          char    Bright_Value;
extern          char    Contrast_Value;
extern          char    Dimmer_Value;
extern	       bit       Rearview_OnOff;
extern		bit	    Rearview_Enable;
void Read_Key(void)
{
   static int cnt = 0;
   static char flag1 = 0;
   static char flag2 = 0;
   static char flag3 = 0;
   static char flag4 = 0;
   static char flag5 = 0;

   if (cnt++ > 500)
   {
      cnt = 0;

      if (POWER_KEY == 0 && flag1)
      {
         flag1 = False;
         Key_Power();
         Down_Time_Flag = True;
         Down_Time_Cnt = 0;
      }
      else if (POWER_KEY)
         flag1 = True;

      if (MENU_KEY == 0 && flag2)
      {
         flag2 = False;
         Key_PICSEL();
         Down_Time_Flag = True;
         Down_Time_Cnt = 0;
      }
      else if (MENU_KEY)
         flag2 = True;

      if (ZOOM_KEY == 0 && flag5)
      {
         flag5 = False;
         Down_Time_Flag = True;
         Down_Time_Cnt = 0;
         Current_Status = IS_SET_ZOOM;
         PICSEL_Next_Mode = ZOOM_MODE;
         Reset_OSD();
         Key_Volume_Up();
      }
      else if (ZOOM_KEY)
         flag5 = True;

      if (UP_KEY)
      {
         flag3 = 0;
      }
      else
      {
         if (flag3 > 15)
         {
            flag3 = 15;
            Key_Volume_Up();
            Down_Time_Flag = True;
            Down_Time_Cnt = 0;
         }
         if (flag3 == 0)
         {
            Key_Volume_Up();
            Down_Time_Flag = True;
            Down_Time_Cnt = 0;
         }
         flag3++;
      }

      if (DOWN_KEY)
      {
         flag4 = 0;
      }
      else
      {
         if (flag4 > 15)
         {
            flag4 = 15;
            Key_Volume_Down();
            Down_Time_Flag = True;
            Down_Time_Cnt = 0;
         }
         if (flag4 == 0)
         {
            Key_Volume_Down();
            Down_Time_Flag = True;
            Down_Time_Cnt = 0;
         }
         flag4++;
      }
   }
}

void Key_Power(void)
{
   if (Current_Status == IS_POWER_OFF)
   {
      Power_ON();     
      Mute_Enable(); 
      Delay(1000);//1000
      Mute_Enable();
      OSD_Init();
      DA_88347_Init();
      Delay(3000);//Added for Panel delay 
      LIGHT_POWER = ENABLE;
      Reset_OSD();

      #ifdef  Rearview //deleted by Wayland  2006.10.27
	   if(!Rearview_Enable)
       	Select_Input();
	   else
		Mute_Disable();//Added  by  Waylalnd 20006.11.6
      #else
	   Select_Input();
      #endif
      Current_Status = IS_NORMAL;
   }
   else
    #ifdef   Rearview   //Modified by Wayland 2006.10.26
    if(Rearview_OnOff==OFF)
      Power_OFF();
    #else
	 Power_OFF();
    #endif
}

void Show_PICSEL(void)
{
   Reset_OSD();
   switch(PICSEL_Next_Mode)
   {
      case GM1_MODE:
         Current_Status = IS_SET_GM1;
         Show_GM1();
         break;
      case GM2_MODE:
         Current_Status = IS_SET_GM2;
         Show_GM2();
         break;
      case RGBAMP_MODE:
         Current_Status = IS_SET_RGBAMP;
         Show_RGBAMP();
         break;
      case FM_MODE:
         Current_Status = IS_SET_FM;
         Show_FM();
         break;
      case POWER_MODE:
         Current_Status = IS_SET_POWER_MODE;
         Show_Power_Mode();
         break;
      case CONTRAST_MODE:
         Current_Status = IS_SET_CONTRAST;
         Show_Contrast();
         break;
      case BRIGHT_MODE:
         Current_Status = IS_SET_BRIGHT;
         Show_Bright();
         break;
      case PICTURE_MODE:
         Current_Status = IS_SET_PICTURE;
         Show_PICTURE();
         break;
      case COMAD_MODE:
         Current_Status = IS_SET_COMAD;
         Show_COMAD();
         break;      
      case R_L_MODE:
         Current_Status = IS_SET_R_L;
         Show_R_L();
         break;
      case COLOR_MODE:
         Current_Status = IS_SET_COLOR;
         Show_Color();
         break;
      case ZOOM_MODE:
         Current_Status = IS_SET_ZOOM;
         Show_ZOOM();
         break;
      case DIMMER_MODE:
         Current_Status = IS_SET_DIMMER;
         Show_Dimmer();  
        break;
      case TINT_MODE:
         Current_Status = IS_SET_TINT;
         Show_Tint();
         break;
      case RESET_PICTURE_MODE:
         Current_Status = IS_RESET;
         Show_Reset();
         break;
      case SPEAKER_MODE:
         Current_Status = IS_SET_SPEAKER;
         Show_Speaker();
         break;
		 
	#ifdef  Rearview //added by Wayland 2006.10.28
   	case REARVIEW_MODE: 
	     Current_Status=IS_REARVIEW_ENABLE;
	     Show_Rearview();
         break;
      #endif
   }
}

void Key_PICSEL(void)
{
   switch(Current_Status)
   {
      case IS_SET_GM1:
      case IS_SET_GM2:
      case IS_SET_RGBAMP:
      case IS_SET_TINT:
      case IS_SET_POWER_MODE:
      case IS_SET_FM:
      case IS_SET_BRIGHT:
      case IS_SET_CONTRAST:
      case IS_SET_ZOOM:
      case IS_SET_COLOR:
      case IS_SET_DIMMER:      
      case IS_SET_PICTURE:
      case IS_SET_COMAD:
      case IS_SET_R_L:
      case IS_SET_AV_IN:
      case IS_SET_IR_IN:
      case IS_SET_SPEAKER:
      case IS_RESET:

      #ifdef  Rearview //added by Wayland 2006.10.26
      case  IS_REARVIEW_ENABLE:
      #endif

         PICSEL_Next_Mode++;
         if (PICSEL_Next_Mode == TINT_MODE)
            if (!NPC)
               PICSEL_Next_Mode++;
         if (PICSEL_Next_Mode > SETUP_MAX)
            PICSEL_Next_Mode = 0;
         break;
   }
   Show_PICSEL();
}

void Key_Mute(void)
{
   if (Current_Status != IS_POWER_OFF)
   {
       Mute_Flag = Mute_Flag^1;
       if (Mute_Flag)
          Mute_Enable();
       else
          Mute_Disable();
       Return_Normal();
   }
}

//#ifndef  Rearview  //delete by Wayland  06.10.27
void Select_Input()
{
   char sel;

   Mute_Enable();
   sel = EEPROM_Receive_25_Bit(OP_READ, EE_TV_AV_ADDR);
   Set_AV_IN(sel);
   Set_IR_IN(EEPROM_Receive_25_Bit(OP_READ, EE_IR_IN_ADDR));
   Reset_OSD();
   switch(sel)
   {
      case MAV1_MODE:
         Printxy_Normal( 0, 0, "M-VIDEO 1", FONT_GREEN);
         break;
      case MAV2_MODE:
         Printxy_Normal( 0, 0, "M-VIDEO 2", FONT_GREEN);
         break;
      case MAV3_MODE:
         Printxy_Normal( 0, 0, "M-VIDEO 3", FONT_GREEN);
         break;
   }
   Mute_Disable();
}

void Key_TV_AV(void)
{
   
   if (Current_Status != IS_POWER_OFF)
   {
      Current_Status = IS_NORMAL;
      
      if (EEPROM_Receive_25_Bit(OP_READ, EE_TV_AV_ADDR))
       EEPROM_Transmit_25_Bit(OP_WRITE, EE_TV_AV_ADDR,False);  
      else
         
      EEPROM_Transmit_25_Bit(OP_WRITE, EE_TV_AV_ADDR, True);
      Select_Input();
   }
}
//#endif