📄 tda10021hdlg.cpp
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float fFreqSymb, fSysClk ,fResult, fBDR ;
// add 240 ppm to the SR
uFreqSymb240 = uFreqSymb*240;
uFreqSymb240 /= 1000000;
uFreqSymb240 = uFreqSymb + uFreqSymb240;
// calculate the number of decimation and the antialias filter
bNdec = 0; bSFil = 0;
if ((uFreqSymb240/10) < (uSysClk/123)){ bNdec = 0; bSFil = 1;}
if ((uFreqSymb240/10) < (uSysClk/160)){ bNdec = 1; bSFil = 0;}
if ((uFreqSymb240/10) < (uSysClk/246)){ bNdec = 1; bSFil = 1;}
if ((uFreqSymb240/10) < (uSysClk/320)){ bNdec = 2; bSFil = 0;}
if ((uFreqSymb240/10) < (uSysClk/492)){ bNdec = 2; bSFil = 1;}
if ((uFreqSymb240/10) < (uSysClk/640)){ bNdec = 3; bSFil = 0;}
if ((uFreqSymb240/10) < (uSysClk/984)){ bNdec = 3; bSFil = 1;}
// program SFIL
ChipWriteMasked(0x0e, 0x10, (U8)(bSFil<<4));
// program NDEC
ChipWriteMasked(0x03, 0xc0, (U8)(bNdec<<6));
// calculate the inversion of the symbol frequency
uFreqSymbInv = uSysClk*16;
uFreqSymbInv >>= bNdec; // divide by 2^decim
uFreqSymbInv += uFreqSymb/2; // rounding for division
uFreqSymbInv /= uFreqSymb;
if (uFreqSymbInv > 255) uFreqSymbInv = 255;
// calculate the symbol rate
fFreqSymb = (float)uFreqSymb;
fSysClk = (float)uSysClk;
fResult = (float)(1<<(24+bNdec));
fResult /= fSysClk;
fResult *= fFreqSymb;
uBDR = (U32)fResult;
// program the value in register of the symbol rate
pWrite[0] = (U8)(uBDR);
pWrite[1] = (U8)(uBDR >> 8);
pWrite[2] = (U8)(uBDR >> 16);
pWrite[3] = (U8)uFreqSymbInv;
RegSetOneRegister(0x0a, pWrite[0]);
RegSetOneRegister(0x0b, pWrite[1]);
RegSetOneRegister(0x0c, pWrite[2]);
RegSetOneRegister(0x0d, pWrite[3]);
// return the value programmed
fBDR = (float)uBDR;
fSysClk = (float)uSysClk;
fResult = fBDR*fSysClk;
fResult /= (float)(1<<(24+bNdec));
return (U32)fResult;
}
void CTDA10021HDlg::Q10021WriteQam(U8 bQAM)
{
static TypeQAM[6][5] = {
{0x00, 0x8c, 0x87, 0xa2, 0x91}, // 16 QAM <=> qam=0
{0x04, 0x8c, 0x64, 0x74, 0x96}, // 32 QAM <=> qam=1
{0x08, 0x6a, 0x43, 0x43, 0x6a}, /* 04. 2. 13*/// 64 QAM <=> qam=2 0x08, 0x50, 0x37, 0x37, 0x6a
{0x0c, 0x78, 0x30, 0x30, 0x7e}, // 128 QAM <=> qam=3
{0x10, 0x5c, 0x26, 0x23, 0x6b}, // 256 QAM <=> qam=4
{0x14, 0x78, 0x78, 0x8c, 0x96} // 4 QAM <=> qam=5
};
ChipWriteMasked(0x00, 0x1c, TypeQAM[bQAM][0]);
RegSetOneRegister(0x01, TypeQAM[bQAM][1]);
RegSetOneRegister(0x05, TypeQAM[bQAM][2]);
RegSetOneRegister(0x08, TypeQAM[bQAM][3]);
RegSetOneRegister(0x09, TypeQAM[bQAM][4]);
}
U8 CTDA10021HDlg::Q10021RunAlgo(U32 uSR, U8 *pGain, U8 bAutoGain, U8 bAutoSpecInv)
{
U8 bSyncReg, bAGC1, bAGC2, bSI,bGainFound;
if(bAutoGain)*pGain=0;
bGainFound=*pGain;
// set the gain
ChipWriteMasked(0x0e,0xe0, (U8)(bGainFound << 5));
// set the AGC time constant
ChipWriteMasked(0x02, 0x03, 1);
// program the CARCONF
ChipWriteMasked(0x04, 0x3f, 0x0a);
// only use the central coef and disable other adaptation when gain auto
if (bAutoGain) ChipWriteMasked(0x1c, 0x08, 0x08);
// reset the demod reset CLB bit
ChipWriteMasked(0x00, 0x01, 0);
Q10021AlgoDelay(80000, uSR);
RegSetOneRegister(0x02, 0x23);
RegSetOneRegister(0x1c, 0x30);
RegSetOneRegister(0x04, 0x02);
/*
// read the AGC values // test if there is a signal
bAGC1=(U8)RegGetOneRegister(0x17); bAGC2=(U8)RegGetOneRegister(0x2f);
if (bAGC1 == 255 && bAGC2 == 255) return 1;
// test the algo in used
if (bAutoGain)
{ if ((bGainFound=Q10021AlgoGain( uSR, bGainFound)) == 6) return 2;// if err
else
{ // set the AGC time constant
ChipWriteMasked(0x02, 0x03, 1);
// use all coef
ChipWriteMasked(0x1c, 0x08, 0);
// reset the demod
ChipWriteMasked(0x00, 0x01, 0);
Q10021AlgoDelay(80000, uSR);
*pGain=bGainFound;
}
}
// set the AGC time constant
ChipWriteMasked(0x02, 0x03, 3);
Q10021AlgoDelay(200000, uSR);
// read the synchro registers // test if carlock
bSyncReg=(U8)RegGetOneRegister(0x11);
if (!(bSyncReg & 0x02))return 3;
// test if frame synchro
if ((bSyncReg & 0x04) && !(bSyncReg & 0x40))
{ // oK case
if (uSR > 3000000)ChipWriteMasked(0x04, 0x3f, 0x02); else ChipWriteMasked(0x04, 0x3f, 0x0a);
return 0;
}
// test if auto spectral inv
else if(bAutoSpecInv)
{ // test the other spectral inversion
bSI=(U8)RegGetOneRegister(0x00);
if (bSI & 0x20) bSI &= ~0x20; else bSI |= 0x20;
RegSetOneRegister(0x00,bSI);
Q10021AlgoDelay(30000, uSR);
// read the synchro registers
bSyncReg=(U8)RegGetOneRegister(0x11);
// test if frame sync and DVB
if ((bSyncReg & 0x04) && !(bSyncReg & 0x40))
{ // oK case
if (uSR > 3000000)ChipWriteMasked(0x04, 0x3f, 0x02); else ChipWriteMasked(0x04, 0x3f, 0x0a);
return 0;
}
}*/
return 4;
}
void CTDA10021HDlg::Q10021AlgoDelay(U32 uNbSymbol, U32 uSR)
{
uNbSymbol *= 1000; uNbSymbol += uSR/2; uNbSymbol /= uSR;
Sleep((unsigned short)uNbSymbol);
}
U8 CTDA10021HDlg::Q10021AlgoGain(U32 uSR, U8 bGain)
{
long lRCentralCoef, lICentralCoef; U8 pReadCoef[2];
do
{ // read the real part of the central coef of the equalizer
pReadCoef[0]=(U8)RegGetOneRegister(0x50); pReadCoef[1]=(U8)RegGetOneRegister(0x51);
lRCentralCoef = (U32)(pReadCoef[0] << 3 | pReadCoef[1] >> 5);
if (lRCentralCoef & 0x400) lRCentralCoef |= 0xFFFFF800;
// lRCentralCoef^2
lRCentralCoef *= lRCentralCoef;
// read the imaginary part of the central coef of the equalizer
pReadCoef[0]=(U8)RegGetOneRegister(0x90); pReadCoef[1]=(U8)RegGetOneRegister(0x91);
lICentralCoef = (U32)(pReadCoef[0] << 3 | pReadCoef[1] >> 5);
if (lICentralCoef & 0x400) lICentralCoef |= 0xFFFFF800;
// lICentralCoef^2
lICentralCoef *= lICentralCoef;
// test the module
if ((lRCentralCoef + lICentralCoef) >490000)
{ // no scanning so use all agin - test if gain max is reached
if (bGain < 5) { // try next gain
bGain++; ChipWriteMasked(0x0e,0xe0, (U8)(bGain << 5));
// wait for synchro
Q10021AlgoDelay(10000, uSR);
}
else return 6;//err
}
else return bGain; // if ok
}while(1);
}
void CTDA10021HDlg::OnCheckGpib()
{
if(m_bCheckGpib)return;
}
void CTDA10021HDlg::OnTimer(UINT nIDEvent)
{
if(IDC_TIMER1)
{
if(COMM.I2cSetForRun()!=1)
{
if(m_fRfin!=m_fRfin2)
{
m_fRfin=m_fRfin2;
UpdateData(FALSE);
OnButtonRun();
}
else if(m_fRfin!=m_fRfin1)
{
m_fRfin=m_fRfin1;
UpdateData(FALSE);
OnButtonRun();
}
}
}
if(IDC_TIMER)
{
IICStatus();
Tunerlockchecking();
/* read AGC */
int _agc=0;int _agcrange=0;int _strength=0;
m_iIfagcread=(int)RegGetOneRegister(0x2f);
m_iRfagcread=(int)RegGetOneRegister(0x17);
_agc=m_iIfagcread+m_iRfagcread-m_iIfagcMin;
_agcrange=m_iIfagcMax+m_iRfagcMax-m_iIfagcMin-m_iRfagcMin;
_strength=_agcrange-_agc;
m_ctrlProgressAGC.SetRange32(0,_agcrange);
m_ctrlProgressAGC.SetPos(_strength);
/* BER calculation */
QBerCalcu();
}
CDialog::OnTimer(nIDEvent);
}
void CTDA10021HDlg::KillTimer__()
{
KillTimer(IDC_TIMER);
// KillTimer(IDC_TIMER1);
}
void CTDA10021HDlg::OnButtonWritereg()
{
CString str;
unsigned int data[2];
GetDlgItemText(IDC_REGNO,str);
if( str == "" ) return ;
data[0] = StrHexToInt(str);
GetDlgItemText(IDC_WRITEVALUE,str);
if( str == "" ) return ;
data[1] = StrHexToInt(str);
RegSetOneRegister(data[0], data[1]);
}
UINT CTDA10021HDlg::StrHexToInt(CString str)
{
CString work; int nLength; ULONG ulRetVal;
work = str;
if(strstr(str, "0x") != NULL)
work = strstr(str, "0x") + 2;
nLength = work.GetLength() - 1;
ulRetVal = 0;
work.MakeUpper();
for(int i=0; i<work.GetLength(); i++, nLength--) {
switch(work.GetAt(i)) {
case '0' :
case '1' :
case '2' :
case '3' :
case '4' :
case '5' :
case '6' :
case '7' :
case '8' :
case '9' :
ulRetVal += (work.GetAt(i) - '0') * (int)pow(16, nLength);
break;
case 'A' :
case 'B' :
case 'C' :
case 'D' :
case 'E' :
case 'F' :
ulRetVal += (10 + work.GetAt(i) - 'A') * (int)pow(16, nLength);
break;
default :
return ulRetVal = 0;
}
}
return ulRetVal;
}
void CTDA10021HDlg::QBerCalcu()
{
U8 i, j, k;
U32 uNbit, utime=0, usymbolrate;
double ber;
usymbolrate=(U32)(m_fSymbolrate*1000000);
uNbit=(U32)(usymbolrate*(ubQAM+4));
uNbit+=500;
uNbit/=1000;
uNbit*=(U32)(0.1*1000);
uBerdepth=0x00;
if(uNbit>=1000000)uBerdepth=1;
if(uNbit>=10000000)uBerdepth=2;
if(uNbit>=100000000)uBerdepth=3;
ChipWriteMasked(0x10, 0xc0,(U8)(uBerdepth<<6));
if(0.1*1000)
{
switch(uBerdepth)
{
case 0: utime=100000000/usymbolrate; break;
case 1: utime=1000000000/usymbolrate; break;
case 2: utime=1000000000/(usymbolrate/10); break;
case 3: utime=1000000000/(usymbolrate/100); break;
}
utime/=ubQAM+4;
Sleep((int)utime);
i=(U8)RegGetOneRegister(0x14);
j=(U8)RegGetOneRegister(0x15);
k=(U8)(RegGetOneRegister(0x16)&(0x0f));
uBER=(U32)(k<<16|j<<8|i);
if(uBerdepth==0) { uBER*=80; uBER/=100;
}
}
if(uBerdepth==0)ber=uBER*1E-5;
else if (uBerdepth==1)ber=uBER*1E-6;
else if (uBerdepth==2)ber=uBER*1E-7;
else ber=uBER*1E-8;
if(1){
char buff[50];
sprintf(buff,"Bit Error Rate:[%4.2e]",ber);
m_strBer=buff;}
if(ber<5e-3) m_ctrlProgressBer.SetPos(1);
if(ber<4e-3) m_ctrlProgressBer.SetPos(2);
if(ber<3e-3) m_ctrlProgressBer.SetPos(3);
if(ber<2e-3) m_ctrlProgressBer.SetPos(4);
if(ber<1e-3) m_ctrlProgressBer.SetPos(5);
if(ber<9e-4) m_ctrlProgressBer.SetPos(6);
if(ber<8e-4) m_ctrlProgressBer.SetPos(7);
if(ber<7e-4) m_ctrlProgressBer.SetPos(8);
if(ber<6e-4) m_ctrlProgressBer.SetPos(9);
if(ber<5e-4) m_ctrlProgressBer.SetPos(10);
if(ber<4e-4) m_ctrlProgressBer.SetPos(11);
if(ber<3e-4) m_ctrlProgressBer.SetPos(12);
if(ber<2e-4) m_ctrlProgressBer.SetPos(13);
if(ber<1e-4) m_ctrlProgressBer.SetPos(14);
if(ber<9e-5) m_ctrlProgressBer.SetPos(15);
if(ber<8e-5) m_ctrlProgressBer.SetPos(16);
if(ber<7e-5) m_ctrlProgressBer.SetPos(17);
if(ber<6e-5) m_ctrlProgressBer.SetPos(18);
if(ber<5e-5) m_ctrlProgressBer.SetPos(19);
if(ber<4e-5) m_ctrlProgressBer.SetPos(20);
if(ber<3e-5) m_ctrlProgressBer.SetPos(21);
if(ber<2e-5) m_ctrlProgressBer.SetPos(22);
if(ber<1e-5) m_ctrlProgressBer.SetPos(23);
if(ber<9e-6) m_ctrlProgressBer.SetPos(24);
if(ber<8e-6) m_ctrlProgressBer.SetPos(25);
if(ber<7e-6) m_ctrlProgressBer.SetPos(26);
if(ber<6e-6) m_ctrlProgressBer.SetPos(27);
if(ber<5e-6) m_ctrlProgressBer.SetPos(28);
if(ber<4e-6) m_ctrlProgressBer.SetPos(29);
if(ber<3e-6) m_ctrlProgressBer.SetPos(30);
if(ber<2e-6) m_ctrlProgressBer.SetPos(31);
if(ber<1e-6) m_ctrlProgressBer.SetPos(32);
if(ber<9e-7) m_ctrlProgressBer.SetPos(33);
if(ber<8e-7) m_ctrlProgressBer.SetPos(34);
if(ber<7e-7) m_ctrlProgressBer.SetPos(35);
if(ber<6e-7) m_ctrlProgressBer.SetPos(36);
if(ber<5e-7) m_ctrlProgressBer.SetPos(37);
if(ber<4e-7) m_ctrlProgressBer.SetPos(38);
if(ber<3e-7) m_ctrlProgressBer.SetPos(39);
if(ber<2e-7) m_ctrlProgressBer.SetPos(40);
if(ber<1e-7) m_ctrlProgressBer.SetPos(41);
if(ber>2.5e-4)m_ctrlProgressBer.SendMessage(PBM_SETBARCOLOR,0,RGB(255,0,0));
else m_ctrlProgressBer.SendMessage(PBM_SETBARCOLOR,0,RGB(0,255,0));
/*
if(m_fRfin==m_fRfin1)
{
if(ber<3e-4)
{
m_progress500.SendMessage(PBM_SETBARCOLOR,0,RGB(0,255,0));
m_progress500.SetPos(1);
}
else
{
m_progress500.SendMessage(PBM_SETBARCOLOR,0,RGB(255,0,0));
m_progress500.SetPos(1);
}
m_progress800.SendMessage(PBM_SETBARCOLOR,0,RGB(255,255,255));
}
if(m_fRfin==m_fRfin2)
{
if(ber<3e-4)
{
m_progress800.SendMessage(PBM_SETBARCOLOR,0,RGB(0,255,0));
m_progress800.SetPos(1);
}
else
{
m_progress800.SendMessage(PBM_SETBARCOLOR,0,RGB(255,0,0));
m_progress800.SetPos(1);
}
m_progress500.SendMessage(PBM_SETBARCOLOR,0,RGB(255,255,255));
}
*/
//if(FreqCount==3)
UpdateData(FALSE);
}
void CTDA10021HDlg::OnEditchangeComboMpegmode()
{
}
void CTDA10021HDlg::OnUncrreset()
{
UpdateData(TRUE);
uncor_count=0;
UpdateData(FALSE);
}
void CTDA10021HDlg::OnButton1()
{
OnButtonRun() ;
}
void CTDA10021HDlg::IICStatus()
{
int iic_test=0,iicSCL_test=0,iicSDA_test=0,iicACK_test=0;
// TODO: Add your control notification handler code here
UpdateData(TRUE);
iic_test=TestIic();
iicSCL_test=(iic_test&0x02)>>1;
iicSDA_test=iic_test&0x01;
iicACK_test=(iic_test&0x04)>>2;
if(iicSCL_test)
{m_ctrSCL_status.SetIcon(AfxGetApp()->LoadIcon(IDI_ICON_OK));}
else
{m_ctrSCL_status.SetIcon(AfxGetApp()->LoadIcon(IDI_ICON_NG));}
if(iicSDA_test)
{m_ctlSDA_status.SetIcon(AfxGetApp()->LoadIcon(IDI_ICON_OK));}
else
{m_ctlSDA_status.SetIcon(AfxGetApp()->LoadIcon(IDI_ICON_NG));}
if(iicACK_test)
{m_ctrACK_status.SetIcon(AfxGetApp()->LoadIcon(IDI_ICON_OK));}
else
{m_ctrACK_status.SetIcon(AfxGetApp()->LoadIcon(IDI_ICON_NG));}
UpdateData(FALSE);
}
int CTDA10021HDlg::TestIic()
{
int fail=0;
fail = COMM.I2cGetStatus() ;
// SDA test
if((fail&SDA)==0)
fail &=~0x01 ;
else
fail |=0x01 ;
// SCL test
if((fail&SCL) == 0)
fail &=~0x02 ;
else
fail |=0x02 ;
// ACK test
switch(0/*COMM.I2cStatusTestPPort()*/)//chip ID:0x12->MT351
{
case 0:
fail |= (fail&ACK);
break;
case 1:
case 2:
fail = 0;
break;
}
if((fail&ACK) == 0)
fail &=~0x04 ;
else
fail |=0x04;
return (fail);
}
void CTDA10021HDlg::OnCheck1()
{
// TODO: Add your control notification handler code here
}
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