public TunerStack(Tuner masterTuner, DigitalTuner slaveTuner, long masterTunerFreqSteps)
: this(masterTuner, (Tuner)slaveTuner, masterTunerFreqSteps)
{
/* this is a digital tuner, register for sampling rate change */
slaveTuner.SamplingRateChanged += new EventHandler(Tuner_SamplingRateChanged);
}
public bool Init()
{
try
{
//ShowConsole(true);
Tuner mainTuner = null;
long stepSize = 0;
bool success = false;
BO35 bo35 = null;
AR5000N ar5000 = null;
MT2131 mt2131 = null;
USBRX_R820 r820 = null;
VUHF_RX vuhfrx = null;
if (mainTuner == null && (TunerCombination == eCombinationType.BO35 || TunerCombination == eCombinationType.Automatic))
{
/* try to open BO-35 */
bo35 = new BO35(true);
try
{
success = bo35.OpenTuner();
}
catch (Exception e)
{
}
if (success)
{
stepSize = 0;
mainTuner = bo35;
}
else if (TunerCombination == eCombinationType.BO35)
{
return(false);
}
}
if (mainTuner == null && (TunerCombination == eCombinationType.AR5000 || TunerCombination == eCombinationType.Automatic))
{
/* try to open BO-35 */
ar5000 = new AR5000N("AR5000");
try
{
success = ar5000.OpenTuner();
}
catch (Exception e)
{
}
if (success)
{
stepSize = 0;
mainTuner = ar5000;
}
else if (TunerCombination == eCombinationType.AR5000)
{
return(false);
}
}
lock (Lock)
{
DevNum = GetFreeDeviceNum();
if (USBRXDeviceNative.UsbInit(DevNum))
{
if (!UseAtmelFIFO)
{
USBRXDeviceNative.UsbSetIODir(DevNum, FIFOResetPortPin, USBRXDeviceNative.PIN_DIR_OUT);
}
/* we will handle ext fifo flushing ourselves */
USBRXDeviceNative.SetFifoFlushing(false);
/* set maximum I2C speed */
USBRXDeviceNative.UsbI2CSetSpeed(DevNum, 1);
/* init low level interface to atmel */
AtmelProgrammer = new AtmelProgrammer(this);
AtmelProgrammer.ResetAtmel();
Atmel = new Atmel(this);
if (Atmel.Exists)
{
AD6636 = new AD6636(Atmel, Atmel.TCXOFreq);
Tuner = AD6636;
/* detect I2C tuners */
if (mainTuner == null && (TunerCombination == eCombinationType.MT2131 || TunerCombination == eCombinationType.Automatic))
{
mt2131 = new MT2131(this);
try
{
success = mt2131.OpenTuner();
}
catch (Exception e)
{
}
if (success)
{
stepSize = mt2131.IFStepSize;
mainTuner = mt2131;
}
else if (TunerCombination == eCombinationType.MT2131)
{
ReleaseDeviceNum(DevNum);
return(false);
}
}
if (mainTuner == null && (TunerCombination == eCombinationType.R820 || TunerCombination == eCombinationType.Automatic))
{
r820 = new USBRX_R820(this);
try
{
success = r820.OpenTuner();
}
catch (Exception e)
{
}
if (success)
{
stepSize = r820.IFStepSize;
mainTuner = r820;
}
else if (TunerCombination == eCombinationType.MT2131)
{
ReleaseDeviceNum(DevNum);
return(false);
}
}
if (mainTuner == null && (TunerCombination == eCombinationType.VUHF_RX || TunerCombination == eCombinationType.Automatic))
{
vuhfrx = new VUHF_RX(this);
try
{
success = vuhfrx.OpenTuner();
}
catch (Exception e)
{
}
if (success)
{
stepSize = vuhfrx.IFStepSize;
mainTuner = vuhfrx;
}
else if (TunerCombination == eCombinationType.VUHF_RX)
{
ReleaseDeviceNum(DevNum);
return(false);
}
}
if (mainTuner != null)
{
Tuner = new TunerStack(mainTuner, Tuner, stepSize);
}
Tuner.OpenTuner();
}
//SetAgc(eAgcType.Slow);
CurrentMode = eTransferMode.Stopped;
StartThreads();
SetAtt(0);
return(true);
}
else
{
ReleaseDeviceNum(DevNum);
}
}
}
catch (DllNotFoundException e)
{
MessageBox.Show("Was not able to load the driver. The driver DLL was not found." + Environment.NewLine + Environment.NewLine + e.Message);
}
catch (Exception e)
{
MessageBox.Show("Was not able to load the driver:" + Environment.NewLine + Environment.NewLine + e.Message);
}
return(false);
}