public bool I2CReadBytes(int busID, byte[] data)
{
//DiscardNextBlock = true;
//AddAccess(eDirection.Read, busID, data.Length, null);
int retries = I2CRetries;
lock (Lock)
{
do
{
//Thread.Sleep(5);
if (USBRXDeviceNative.UsbI2CReadBytes(DevNum, busID, (ushort)data.Length, data))
{
return(true);
}
if (retries == 0)
{
DeviceLost = true;
return(false);
}
Thread.Sleep(I2CSleep);
} while (retries-- > 0);
}
return(false);
}
public bool I2CDeviceAck(int busID)
{
lock (Lock)
{
return(USBRXDeviceNative.UsbI2CWriteBytes(DevNum, busID, 0, null));
}
}
public bool Read(byte[] data)
{
lock (Lock)
{
return(USBRXDeviceNative.UsbParIn(DevNum, data, (uint)data.Length));
}
}
public void I2CSetTimeout(ushort timeout, ushort retries)
{
lock (Lock)
{
USBRXDeviceNative.UsbI2CSetTimeout(DevNum, (ushort)(((retries & 0xFF) << 8) | (timeout & 0xFF)));
}
}
public bool SPIReset(bool state)
{
lock (Lock)
{
return(USBRXDeviceNative.UsbSetIOState(DevNum, USBRXDeviceNative.PIN_SPI_RESET, state ? USBRXDeviceNative.PIN_STATE_LOW : USBRXDeviceNative.PIN_STATE_HIGH));
}
}
public bool SPITransfer(byte[] dataWrite, byte[] dataRead)
{
lock (Lock)
{
return(USBRXDeviceNative.UsbSpiTransfer(DevNum, dataWrite, dataRead, (ushort)dataWrite.Length));
}
}
public bool I2CReadByte(int busID, byte[] data)
{
//AddAccess(eDirection.Write, busID, 1, null);
int retries = I2CRetries;
lock (Lock)
{
do
{
//Thread.Sleep(5);
if (USBRXDeviceNative.UsbI2CReadByte(DevNum, busID, data))
{
return(true);
}
if (retries == 0)
{
DeviceLost = true;
return(false);
}
Thread.Sleep(I2CSleep);
} while (retries-- > 0);
}
return(false);
}
public void ReadBlockReceived()
{
lock (ReadTimerLock)
{
TimeoutsHappened = 0;
DeviceLost = false;
FIFOReset(true);
USBRXDeviceNative.ResetEpFifo(DevNum);
if (PreQueueTransfer)
{
//PreQueueTransfer = true;
//Log.AddMessage("ReadTrigger [new transfer]");
lock (Lock)
{
USBRXDeviceNative.UsbSetControlledTransfer(DevNum, ReadBlockSize, ReadFragmentSize);
}
FIFOReset(false);
}
ReadTimerLocked = false;
Monitor.Pulse(ReadTimerLock);
}
}
private bool FIFOReset(bool state)
{
if (UseAtmelFIFO)
{
return(Atmel.FIFOReset(state));
}
lock (Lock)
{
return(USBRXDeviceNative.UsbSetIOState(DevNum, FIFOResetPortPin, state ? USBRXDeviceNative.PIN_STATE_HIGH : USBRXDeviceNative.PIN_STATE_LOW));
}
}
private void StopStreamRead()
{
FIFOReset(true);
lock (Lock)
{
USBRXDeviceNative.UsbSetControlledTransfer(DevNum, ReadBlockSize, ReadFragmentSize);
USBRXDeviceNative.UsbSetGPIFMode(DevNum);
}
StopThreads();
}
private void StartStreamRead()
{
StartThreads();
lock (Lock)
{
USBRXDeviceNative.ResetEpFifo(DevNum);
USBRXDeviceNative.UsbSetGPIFMode(DevNum);
USBRXDeviceNative.UsbSetControlledTransfer(DevNum, 0, ReadBlockSize);
}
FIFOReset(false);
}
public void SPIInit()
{
lock (Lock)
{
USBRXDeviceNative.UsbSetIODir(DevNum, USBRXDeviceNative.PIN_SPI_RESET, USBRXDeviceNative.PIN_DIR_OUT); // RESET
USBRXDeviceNative.UsbSetIODir(DevNum, USBRXDeviceNative.PIN_SPI_SDO, USBRXDeviceNative.PIN_DIR_OUT); // SDO
USBRXDeviceNative.UsbSetIODir(DevNum, USBRXDeviceNative.PIN_SPI_CLK, USBRXDeviceNative.PIN_DIR_OUT); // CLK
USBRXDeviceNative.UsbSetIODir(DevNum, USBRXDeviceNative.PIN_SPI_SDI, USBRXDeviceNative.PIN_DIR_IN); // SDI
USBRXDeviceNative.UsbSetIODir(DevNum, USBRXDeviceNative.PIN_SPI_LED_IN, USBRXDeviceNative.PIN_DIR_IN); // LED pin
USBRXDeviceNative.UsbSetIOState(DevNum, USBRXDeviceNative.PIN_SPI_RESET, USBRXDeviceNative.PIN_STATE_HIGH); // RESET inactive
}
}
public void ShowConsole(bool show)
{
ushort mode = (ushort)(USBRXDeviceNative.MODE_NORMAL | USBRXDeviceNative.MODE_FASTI2C);
if (show)
{
mode |= USBRXDeviceNative.MODE_CONSOLE;
}
lock (Lock)
{
USBRXDeviceNative.UsbSetTimeout(0x80 | DevNum, mode);
}
}
private void StartRead()
{
StartThreads();
lock (Lock)
{
USBRXDeviceNative.ResetEpFifo(DevNum);
USBRXDeviceNative.UsbSetGPIFMode(DevNum);
}
ReadTimerLocked = false;
ReadTimer.Start();
lock (ReadTimerLock)
{
Monitor.Pulse(ReadTimerLock);
}
}
private void ReadThreadMain()
{
try
{
lock (ReadTrigger)
{
while (true)
{
/* when read timer fires */
while (!ReadTriggered)
{
Monitor.Wait(ReadTrigger, 50);
}
//Log.AddMessage("ReadTrigger [was fired]");
ReadTriggered = false;
/* start a new transfer */
if (!PreQueueTransfer)
{
//PreQueueTransfer = true;
//Log.AddMessage("ReadTrigger [new transfer]");
lock (Lock)
{
USBRXDeviceNative.ResetEpFifo(DevNum);
USBRXDeviceNative.UsbSetControlledTransfer(DevNum, ReadBlockSize, ReadFragmentSize);
}
FIFOReset(false);
}
ExpectedReadDuration = SamplesPerBlock / (double)Tuner.SamplingRate;
/* dont fire next read until data was processed */
ReadTimerLocked = true;
}
}
}
catch (ThreadAbortException ex)
{
return;
}
}
public void Close()
{
if (Tuner != null)
{
Tuner.CloseTuner();
}
/* stop read timer */
ReadTimer.Stop();
/* stop read trigger thread */
StopThreads();
/* close driver handle */
lock (Lock)
{
USBRXDeviceNative.UsbClose(DevNum);
ReleaseDeviceNum(DevNum);
}
}
private int GetFreeDeviceNum()
{
int dev = 0;
/* allocate a free device id */
lock (UsedDevNums)
{
while (UsedDevNums.Contains(dev) || !USBRXDeviceNative.UsbDevicePresent(dev))
{
dev++;
if (dev > MaxDevices)
{
return(-1);
}
}
UsedDevNums.Add(dev);
}
return(dev);
}
public void I2CSetSpeed(bool fast)
{
USBRXDeviceNative.UsbI2CSetSpeed(DevNum, fast ? 1 : 0);
}
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);
}
private void HandleTimeout()
{
return;
new Thread(() =>
{
switch (TimeoutsHappened - 4)
{
case 1:
case 2:
Log.AddMessage("USBRXDevice: Timeout " + TimeoutsHappened + ". Retrigger Transfer");
lock (Lock)
{
USBRXDeviceNative.UsbSetGPIFMode(DevNum);
}
lock (ReadTimerLock)
{
Monitor.Pulse(ReadTimerLock);
}
break;
case 6:
Log.AddMessage("USBRXDevice: Timeout " + TimeoutsHappened + ". Reinit AD6636");
AD6636.ReInit();
break;
case 3:
case 7:
Log.AddMessage("USBRXDevice: Timeout " + TimeoutsHappened + ". Reset AD6636");
Atmel.AD6636Reset();
AD6636.ReInit();
AD6636.SoftSync();
FIFOReset(false);
break;
case 4:
case 8:
Log.AddMessage("USBRXDevice: Timeout " + TimeoutsHappened + ". Resync AD6636, reset Atmel");
AD6636.SoftSync();
SPIReset(true);
SPIReset(false);
Thread.Sleep(50);
FIFOReset(false);
break;
case 9:
Log.AddMessage("USBRXDevice: Timeout " + TimeoutsHappened + ". Reset Threads");
new Thread(() =>
{
CurrentMode = CurrentMode;
FIFOReset(false);
}).Start();
/*
* FIFOReset(true);
* USBRXDeviceNative.UsbSetIdleMode(DevNum);
* USBRXDeviceNative.UsbSetGPIFMode(DevNum);
* USBRXDeviceNative.SetSlaveFifoParams(true, DevNum, 0);
* FIFOReset(false);
*/
break;
case 12:
DeviceLost = true;
break;
}
}).Start();
}
