main.c

keil C51 LCD 驱动源码,其中还有I2C驱动,ADC驱动,键盘操作等,是一个完整的keil源代码,供大家参考

/****************************************************************************
   +----------------------------------------------------------------------+
   | Copyright Trumpion Microelectronics Inc. 1999                        |
   | Trumpion Microelectronics Inc. reserves the right to change products |
   | or specifications without notice.                                    |
   +----------------------------------------------------------------------+
   Project    : LCD monitor
   Version    : 0.94
   File Name  : main.c
   Functions  : main routine for LCD project
   Revision   :

   1999-05-18  OriginalTeam    First Created
   2000-07-17  Bill Tseng      Modified for Zurac-II
****************************************************************************/

//=========================================================================
// include files                                                          =
//=========================================================================
#include  "lib\extent.h"
#include  "lib\wreg516.h"
#include  "lib\declare.h"

#include  "lib\global.h"
#include  "lib\modedata.h"
#include  "lib\initial.h"
#include  "lib\ttfc.h"
#include  "lib\key.h"
#include  "lib\osdm.h"
#include  "lib\modedet.h"
#include  "lib\eeprom.h"
#include  "lib\osdmenu.h"
#include  "lib\adc.h"
#include  "LIB\MISC.H"

// extern function
extern Bool autofunction(Bool);
extern Bool white_balance(void);
extern void OsdShowWindowA(void);
extern void Align(void);
// extern void ShowTest(void);

//**************************************************************************
// PROGRAM SECTION
//**************************************************************************
main()
{

    PowerOnInit();   /* power-on procedure */
    CheckPowerKey();

    KeyCheck();
    TI=0;
    while( 1 )
    {
       Align();

       Key();                          /* key press process */

       ModeDetect();                   /* detect Analog display mode */

       if( FgModeChange )
       {
//          ModeChangeMode();
          FgShowBurnin=0;               //algu 1123
          ModeChangeMode();
          FgModeChange = 0;
          FgOsdAct    = 0;
          FgFunInc=0;
       }

       if( FgWhiteOn )                 /* white-balance function */
       {
          FgWhiteOn = 0; 
#if  BLUE_AUTO          
          ZuracWriteByte(0x04,0x12);   /* Flush Screen to blue */
#endif                   
          MUTEEnable();
          OsdShowMessage(AUTOBALANCE_MESSAGE);          //L3_WHITEBALANCE
          TrmBuf[0] = Zurac03Value(ModeCounter);
          if( white_balance() )
          {
             FgScalerAct = FgScalerAdj = 1;
             EepromCommonStore(1);       /* store Brightness,Contrast,Gain,Offset */
             EepromColorStore(ColorTemp);
          }
          OsdEnable( 0 );
          MUTEDisable();
#if  BLUE_AUTO          
          ZuracWriteByte(0x04,0x00);   /* Flush Screen to blank */
#endif          
       }

//     if( FgOsdAct )                  /* osd display */
//     {
//        OsdHandler();
//        FgOsdAct = 0;
//     }

       if( FgAutoOn )                  /* auto function */
       {
          FgAutoOn = 0;
#if  BLUE_AUTO  
          OsdEnable(0);
          OsdClearAll();               /* OSD control register data */
          OsdMenuItem(L3_AUTO_ADJUST);
          ZuracWriteByte(0x04,0x12);   /* Flush Screen to blue */
          OsdWrite(0xC3,0x20);
          OsdOpenUp();
#endif
//        MUTEEnable();

          ZuracAutoFreeRun(1);          //tonny
          EepromColorRecall(ColorTemp);
          if(!FgChangeAuto)
          {
              OsdShowMessage(AUTO_MESSAGE);             //L3_AUTO_ADJUST
              OSDNumber=L3_AUTO_ADJUST;
          }

          if( autofunction( FgAutoAdj ) )       // This segment mask by vincent shu
          {
             ModeInfo &= 0x7F;
             if ( (MuteTimer==0) && (FgModeDetect==0) )      //algu 1130
                     EepromTimingStore( ModeCounter );     /* save Hpos,Vpos,Phase,Clock */
          }
          ZuracAutoFreeRun(0);          //tonny

          OsdEnable( 0 );
          MUTEDisable();
#if  BLUE_AUTO
          ZuracWriteByte(0x04,0x00);   /* Flush Screen to blank */
#endif
        if(FgChangeAuto)
                FgChangeAuto=0;
        else if(FgAutoKeyFlag)
        {
                FgOsdAct = 0;
                OSDNumber = L0_NOOSD;
                FgAutoKeyFlag = 0;
        }
        else
        {
          FgOsdAct=1;
          OSDNumber=L0_MENU0;
          OSDMenuPage=L0_MENU0;
          OSDPoint=0;
          FgMenuChange=1;
          OsdShowWindowA();
          OsdHandler();
        }
       }

       if( FgAdcAct )                  /* adc adjust */
       {
          ADC9884(ModeCounter);
          FgAdcAct = 0;
       }

       if( FgScalerAct )               /* Zurac scaler adjust */
       {
          Ttfc(ModeCounter,(Byte)FgScalerAdj);
          FgScalerAct = 0;
          FgScalerAdj = 0;
       }

       /*******************************************************************/
       /*******************************************************************/
//     if(( FgPowerStby || FgOverRange ) && PromptTimer == 0 )
       //algu 1129 check DPMS message
       if ( FgShowBurnin==0 && FgPowerStby==0 && PromptTimer==0 )       //&& (OSDNumber==L9_NOOSD || OSDNumber==L9_OVERRANGE || OSDNumber==L3_NO_SIGNAL || OSDNumber==L3_OVERRANGE) )
       {
                switch(OSDNumber)
                {
                        case L9_NOOSD:
                                
                                if ( VGA_DET== 0 )
                                {
                                        OSDNumber=L3_NO_SIGNAL;
                                }
                                else
                                {
                                        
                                        ZuracFreeRun(L0_NO_SIGNAL);
                                        OsdShowMessage(CHECK_SIGNAL_MESSAGE);
                                        if (FgBurnin)
                                                PromptTimer = TIME_3SEC;
                                        else 
                                                PromptTimer = TIME_90SEC;       
                                }                       

                                break;
                        case L9_OVERRANGE:
//                                      OsdEnable(0);
                                ZuracFreeRun(L0_OVERRANGE);
                                FgNoSignal=0;           //algu 1130 This is must,beacuse ZuracFreeRun() set FgNoSignal=1.
                                OsdShowMessage(OVER_RANGE_MESSAGE);
//                              OSDNumber=L3_OVERRANGE;
                                if (FgBurnin)
                                        PromptTimer = TIME_3SEC;
                                else 
                                        PromptTimer = TIME_25SEC;                                       
                                break;
                        case L9_UNKNOWN_MODE:
                                ZuracFreeRun( L3_UNKNOWN_MODE );
                                FgNoSignal=0;
                                OsdShowMessage(UNKNOW_MESSAGE);
                
                                break;
                        case L9_FAILSAFE :
                                OsdShowMessage(FAILSAFE_MESSAGE);
                                OSDNumber=L3_FAILSAFE;
                                break;
                        case L3_NO_SIGNAL:
                                ZuracFreeRun(L0_NO_SIGNAL);             //algu 1129
                                OsdShowMessage(POWER_SAVE_MESSAGE);
                                OSDNumber=L0_NO_SIGNAL;
                                if (FgBurnin)
                                        PromptTimer = TIME_3SEC;
                                else 
                                	PromptTimer = TIME_5SEC;
                                        
                                break;
//                      case L3_OVERRANGE:
//                              OsdShowMessage(POWER_SAVE_MESSAGE);
//                              OSDNumber=L0_OVERRANGE;
//                              if (FgBurnin)
//                                              PromptTimer = TIME_3SEC;
//                                      else 
//                                              PromptTimer = TIME_5SEC;
//                                      break;
                        case L0_NO_SIGNAL:
                                if ( FgBurnin && FgPowerBurnin  )
                                {
                                        FgShowBurnin=1;
                                        OSDMaxValue=4;
                                        OsdEnable(0);
                                        OSDNumber=L0_NO_SIGNAL;
//                                      if( FgPowerStby )               //algu 1130
//                                              {
//                                              SystemPowerOn();           
//                                              PowerLedPower(1);       // off Power-LED
//                                              PowerLedSleep(0);       // off Sleep-LED
//                                              FgPowerOff   = 0;
//                                              FgPowerStby  = 0;
//                                              FgFreeRun    = 0;
//                                              }
                                        break;
                                }
                        case L0_OVERRANGE:
                                SystemStandBy();
                                break;                          
                }                               

        }               
   
       
       
/*       
       if( FgPowerStby && PromptTimer == 0 )
       {
           PowerBacklight(0);      // Backlight power-off
           PowerPanel(0);          // Panel power-off

           PowerScaler(0);         // Zurac power-off
           PowerAdc(0);            // ADC   power-off
           PowerDpms(0);           // DPMS  System-power-on
           LEDSLEEP_PIN = 1;
           LEDPOWER_PIN = 0;
//         if(FgOverRange)
//              FgPowerStby=1;
       }
*/       
//       if( FgShowBurnin && (PromptTimer==0))  //buin start
//       {
//          OsdEnable(0);
//          PromptTimer = TIME_3MIN;

//       }
        //algu 1122 burnin
        if( FgShowBurnin && FgNoSignal && (FgPowerStby==0) && (PromptTimer==0) )
        {
                OSDMaxValue++;
                OSDMaxValue = OSDMaxValue % 5;
                if ( OSDMaxValue==0 )
                {
                        ZuracWriteByte(0x04,BACK_WHITE);
                }
                else if ( OSDMaxValue==1 )
                {
                        ZuracWriteByte(0x04,BACK_RED);
                }               
                else
                {
                        ZuracWriteByte(0x04,0x18-OSDMaxValue*2);
                }               
                PromptTimer = TIME_5SEC;
                LEDPOWER_PIN = 0;
                LEDSLEEP_PIN = 1;
//                LEDSLEEP_PIN = !LEDSLEEP_PIN;
//                LEDPOWER_PIN = !LEDPOWER_PIN;
        }



        
    }
}