?? icetek-dm642-pci.c
字號:
#include "math.h"
#include "ICETEK-DM642-PCI.h"
//工作變量
#pragma DATA_SECTION(nMemTemp, ".INTPROCBUFF");
#pragma DATA_ALIGN(nMemTemp,128);
unsigned char nMemTemp[720];
#pragma DATA_SECTION(fHisto, ".INTPROCBUFF");
#pragma DATA_ALIGN(fHisto,128);
float fHisto[256];
#pragma DATA_SECTION(lut, ".INTPROCBUFF");
#pragma DATA_ALIGN(lut,128);
unsigned char lut[256];
int mi,mj,m_nWork1;
unsigned int m_nWork,*pWork,js;
unsigned char *pImg,*pImg1;
float m_fWork;
void ICETEKDM642PCIBoardInit()
{
js=0;
for ( mi=0;mi<256;mi++ )
{
fHisto[mi]=0.0f;
lut[mi]=0;
}
}
#pragma CODE_SECTION(ICETEKDM642PCIStatistic,".text1")
void ICETEKDM642PCIStatistic()
{
int i;
for ( i=0;i<720;i++ )
{
fHisto[nMemTemp[i]]++;
nMemTemp[i]=lut[nMemTemp[i]];
}
}
#pragma CODE_SECTION(ICETEKDM642PCIHistogramEnhance,".text1")
void ICETEKDM642PCIHistogramEnhance()
{
m_fWork=720*576; fHisto[0]/=m_fWork;
for ( mi=1;mi<256;mi++ )
{
fHisto[mi]/=m_fWork;
fHisto[mi]+=fHisto[mi-1];
}
for ( mi=0;mi<256;mi++ )
{
m_fWork=fHisto[mi];
m_fWork*=255;
lut[mi]=(unsigned char)m_fWork;
}
for ( mi=0;mi<256;mi++ )
fHisto[mi]=0.0f;
}
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