func.c

LCD Monitor 部分源码

#define __FUNCC__

#include "Header\Include.h"

//---------------------------------------------
void SetVolume()
{
    unsigned int iVolume;
    if((stOsdUserData.Volume == 0) || (GET_MUTE_STATE() == STATE_MUTEON))
    {
         if(_VOLUME_INV)         bVOLUME_PWM = 255;
         else                   bVOLUME_PWM = 0;
         MUTE_ON();
         return;
    }
    MUTE_OFF();
    iVolume = (unsigned int)(_MAX_VOLUME - _MIN_VOLUME) * stOsdUserData.Volume / 100;
    if(_VOLUME_INV)
        iVolume = _MAX_VOLUME - iVolume;
    else
        iVolume = _MIN_VOLUME + iVolume;

    #if(_VOLUME_CTRL_TYPE == _PWM_MCU)
    bVOLUME_PWM = iVolume;
    #elif(_VOLUME_CTRL_TYPE == _PWM_SCALER)
    SetRTDPWM(bVOLUME_PWM,iVolume);
    #endif
}
//---------------------------------------------
unsigned char code ucSourceMask = (_VGA_SUPPORT << _SOURCE_VGA) | 
                                  (_TMDS_SUPPORT << _SOURCE_DVI);

bit ChangeSource()
{
     unsigned char i;
     unsigned char ucMask = ucSourceMask >> (stSystemData.InputSource + 1);
     //Find next source   

     for(i=stSystemData.InputSource + 1;i<_INPUT_PORT_MAX;i++)
     {
         if(ucMask & 0x01)
         {
             stSystemData.InputSource = i;         
             return 1;
         }
         ucMask >>= 1;
     }
     ucMask = ucSourceMask;
     for(i=0;i<stSystemData.InputSource;i++)
     {
         if(ucMask & 0x01)     
         {         
             stSystemData.InputSource = i;
             return 1;
         }
         ucMask >>= 1;
     }
     return 0;
}
//---------------------------------------------

#if(_KEY_TYPE == _KEY_ADC) 
//------------------------------------------------------------
#if(_MCU_TYPE == _MYSON_MTV512 || _MCU_TYPE == _STK_6021)
            
unsigned char GetADCData(unsigned char ucADID)
{
    BYTE ucADCCurrData = 0;    
    MCU_ADC_F10   = 0x80 | (0x01 << ucADID); // Enable ADC
    CTimerDelayXms(3);
    ucADCCurrData = (MCU_ADC_F10 & 0x3f);    // Read ADC data
    MCU_ADC_F10   = 0x00;                    // Disable ADC
    return ucADCCurrData;
}

#endif    //#if(_MCU_TYPE == _MYSON_MTV512 || _MCU_TYPE == _STK_6021) 
#endif    //#if(KEY_TYPE == KEY_ADC) 
//------------------------------------------------------------