void JtagAnalyzer::Setup()
{
mTCK = GetAnalyzerChannelData(mSettings->mTCKChannel);
mTMS = GetAnalyzerChannelData(mSettings->mTMSChannel);
mTDI = GetAnalyzerChannelData(mSettings->mTDIChannel);
mTDO = GetAnalyzerChannelData(mSettings->mTDOChannel);
if (mSettings->mTRSTChannel != UNDEFINED_CHANNEL) {
mTRST = GetAnalyzerChannelData(mSettings->mTRSTChannel);
} else {
mTRST = NULL;
}
switch (mSettings->mInnerProto) {
case InnerPlain:
mInnerAnalyzer = new JtagPlainAnalyzer(mSettings.get());
break;
case InnerAVR:
mInnerAnalyzer = new JtagAvrAnalyzer(mSettings.get());
break;
case InnerARM:
mInnerAnalyzer = new JtagArmAnalyzer(mSettings.get());
break;
}
}
void I2sAnalyzer::WorkerThread()
{
//UpArrow, DownArrow
if( mSettings->mDataValidEdge == AnalyzerEnums::NegEdge )
mArrowMarker = AnalyzerResults::DownArrow;
else
mArrowMarker = AnalyzerResults::UpArrow;
mClock = GetAnalyzerChannelData( mSettings->mClockChannel );
mFrame = GetAnalyzerChannelData( mSettings->mFrameChannel );
mData = GetAnalyzerChannelData( mSettings->mDataChannel );
SetupForGettingFirstBit();
SetupForGettingFirstFrame();
for( ; ; )
{
GetFrame();
AnalyzeFrame();
mResults->CommitResults();
ReportProgress( mClock->GetSampleNumber() );
CheckIfThreadShouldExit();
}
}
void HD44780Analyzer::WorkerThread()
{
U32 dbline;
//get sample rate
mSampleRateHz = GetSampleRate();
//setup channels
mE = GetAnalyzerChannelData( mSettings->mEChannel );
mRS = GetAnalyzerChannelData( mSettings->mRSChannel );
if( mSettings->mRWChannel != UNDEFINED_CHANNEL )
mRW = GetAnalyzerChannelData( mSettings->mRWChannel );
else mRW = NULL;
for (dbline=0;dbline<8;dbline++)
if( mSettings->mDBChannel[dbline] != UNDEFINED_CHANNEL )
mDB[dbline] = GetAnalyzerChannelData( mSettings->mDBChannel[dbline] );
else mDB[dbline] = NULL;
//if we start high we need to move to low
if( mE->GetBitState() == BIT_HIGH)
mE->AdvanceToNextEdge();
//we always start in 8-bit mode unless the force 4-bit mode option is selected
//function set command can change modes
bitmode8=!mSettings->mStartIn4BitMode;
//reset between E high pulse measurements
mLastEStart=0;
//reset busy mode
mWaitBusy=0;
//get frames
for( ; ; )
{
GetTransfer();
CheckIfThreadShouldExit();
}
}
void PWMAnalyzer::WorkerThread()
{
mSampleRateHz = GetSampleRate();
mPWM = GetAnalyzerChannelData(mSettings->mInputChannel);
// Find the next full pulse for a clean start.
mPWM->AdvanceToNextEdge();
if (mPWM->GetBitState() == BIT_LOW) {
mPWM->AdvanceToNextEdge();
}
int type = mSettings->mAnalysisType;
double prevval(0);
for (;;) {
U64 start = mPWM->GetSampleNumber(); // Rising
mPWM->AdvanceToNextEdge();
U64 mid = mPWM->GetSampleNumber(); // Falling
mPWM->AdvanceToNextEdge();
U64 end = mPWM->GetSampleNumber(); // Rising
double val = Value(start, mid, end);
if (std::abs(val - prevval) >= mSettings->mMinChange) {
mResults->AddMarker(end - ((end - start) / 2),
val > prevval ? AnalyzerResults::UpArrow : AnalyzerResults::DownArrow,
mSettings->mInputChannel);
Frame frame;
frame.mData1 = mid;
frame.mStartingSampleInclusive = start;
frame.mEndingSampleInclusive = end;
mResults->AddFrame(frame);
mResults->CommitResults();
ReportProgress(frame.mEndingSampleInclusive);
prevval = val;
}
}
}
void SimpleParallelAnalyzer::WorkerThread()
{
mResults->AddChannelBubblesWillAppearOn( mSettings->mClockChannel );
mSampleRateHz = GetSampleRate();
AnalyzerResults::MarkerType clock_arrow;
if( mSettings->mClockEdge == AnalyzerEnums::NegEdge )
clock_arrow = AnalyzerResults::DownArrow;
else
clock_arrow = AnalyzerResults::UpArrow;
mClock = GetAnalyzerChannelData( mSettings->mClockChannel );
mData.clear();
mDataMasks.clear();
U32 count = mSettings->mDataChannels.size();
for( U32 i=0; i<count; i++ )
{
if( mSettings->mDataChannels[i] != UNDEFINED_CHANNEL )
{
mData.push_back( GetAnalyzerChannelData( mSettings->mDataChannels[i] ) );
mDataMasks.push_back( 1 << i );
mDataChannels.push_back( mSettings->mDataChannels[i] );
}
}
U32 num_data_lines = mData.size();
if( mSettings->mClockEdge == AnalyzerEnums::NegEdge )
{
if( mClock->GetBitState() == BIT_LOW )
mClock->AdvanceToNextEdge();
}else
{
if( mClock->GetBitState() == BIT_HIGH )
mClock->AdvanceToNextEdge();
}
mClock->AdvanceToNextEdge(); //this is the data-valid edge
for( ; ; )
{
U64 sample = mClock->GetSampleNumber();
mResults->AddMarker( sample, clock_arrow, mSettings->mClockChannel );
U16 result = 0;
for( U32 i=0; i<num_data_lines; i++ )
{
mData[i]->AdvanceToAbsPosition( sample );
if( mData[i]->GetBitState() == BIT_HIGH )
{
result |= mDataMasks[i];
}
mResults->AddMarker( sample, AnalyzerResults::Dot, mDataChannels[i] );
}
mClock->AdvanceToNextEdge();
mClock->AdvanceToNextEdge(); //this is the data-valid edge
//we have a byte to save.
Frame frame;
frame.mData1 = result;
frame.mFlags = 0;
frame.mStartingSampleInclusive = sample;
frame.mEndingSampleInclusive = mClock->GetSampleNumber() - 1;
mResults->AddFrame( frame );
mResults->CommitResults();
ReportProgress( frame.mEndingSampleInclusive );
}
}
// ==============================================================================
// Main data parsing method
// ==============================================================================
void RFFEAnalyzer::WorkerThread() {
U8 byte_count;
mSampleRateHz = GetSampleRate();
mSdata = GetAnalyzerChannelData(mSettings->mSdataChannel);
mSclk = GetAnalyzerChannelData(mSettings->mSclkChannel);
mResults->CancelPacketAndStartNewPacket();
while (1) {
try {
// Look for an SSC
// This method only returns false if there is no more data to be scanned
// in which case, we call the Cancel and wait for new data method in the
// API
if (!FindStartSeqCondition()) {
mResults->CancelPacketAndStartNewPacket();
break;
}
// Find and parse the Slave Address and the RFFE Command
// Return ByteCount field - depending on the command it may or may not be
// relevent
byte_count = FindCommandFrame();
// We know what kind of packet we are handling now, and various parameters
// including the number of data bytes. Go ahead and handle the different
// cases
switch (mRffeCmdType) {
case RFFEAnalyzerResults::RffeTypeExtWrite:
FindByteFrame(RFFEAnalyzerResults::RffeAddressField);
for (U32 i = 0; i <= byte_count; i += 1) {
FindByteFrame(RFFEAnalyzerResults::RffeDataField);
}
break;
case RFFEAnalyzerResults::RffeTypeReserved:
break;
case RFFEAnalyzerResults::RffeTypeMasterRead:
FindByteFrame(RFFEAnalyzerResults::RffeAddressField);
FindBusPark();
for (U32 i = 0; i <= byte_count; i += 1) {
FindByteFrame(RFFEAnalyzerResults::RffeDataField);
}
break;
case RFFEAnalyzerResults::RffeTypeMasterWrite:
FindByteFrame(RFFEAnalyzerResults::RffeAddressField);
for (U32 i = 0; i <= byte_count; i += 1) {
FindByteFrame(RFFEAnalyzerResults::RffeDataField);
}
break;
case RFFEAnalyzerResults::RffeTypeMasterHandoff:
FindBusPark();
for (U32 i = 0; i <= byte_count; i += 1) {
FindByteFrame(RFFEAnalyzerResults::RffeDataField);
}
break;
case RFFEAnalyzerResults::RffeTypeInterrupt:
FindBusPark();
if (FindISI()) {
FindInterruptSlots();
}
break;
case RFFEAnalyzerResults::RffeTypeExtRead:
FindByteFrame(RFFEAnalyzerResults::RffeAddressField);
FindBusPark();
for (U32 i = 0; i <= byte_count; i += 1) {
FindByteFrame(RFFEAnalyzerResults::RffeDataField);
}
break;
case RFFEAnalyzerResults::RffeTypeExtLongWrite:
FindByteFrame(RFFEAnalyzerResults::RffeAddressHiField);
FindByteFrame(RFFEAnalyzerResults::RffeAddressLoField);
for (U32 i = 0; i <= byte_count; i += 1) {
FindByteFrame(RFFEAnalyzerResults::RffeDataField);
}
break;
case RFFEAnalyzerResults::RffeTypeExtLongRead:
FindByteFrame(RFFEAnalyzerResults::RffeAddressHiField);
FindByteFrame(RFFEAnalyzerResults::RffeAddressLoField);
FindBusPark();
for (U32 i = 0; i <= byte_count; i += 1) {
FindByteFrame(RFFEAnalyzerResults::RffeDataField);
}
break;
case RFFEAnalyzerResults::RffeTypeNormalWrite:
FindByteFrame(RFFEAnalyzerResults::RffeDataField);
break;
case RFFEAnalyzerResults::RffeTypeNormalRead:
FindBusPark();
FindByteFrame(RFFEAnalyzerResults::RffeDataField);
break;
case RFFEAnalyzerResults::RffeTypeWrite0:
break;
}
// Finish up with a Bus Park (except for interrupts)
if (mRffeCmdType != RFFEAnalyzerResults::RffeTypeInterrupt) {
FindBusPark();
}
} catch (int exception) {
if (exception == UNEXPECTED_SSC_EXCEPTION) {
// Do nothing, this can happen
}
}
// Commit the Result and call the API Required finished? method.
mResults->CommitPacketAndStartNewPacket();
CheckIfThreadShouldExit();
}
}
void IRAnalyzer::WorkerThread()
{
U64 tick, ntick, mtick, sample;
mResults.reset( new IRAnalyzerResults( this, mSettings.get() ) );
SetAnalyzerResults( mResults.get() );
mResults->AddChannelBubblesWillAppearOn( mSettings->mInputChannel );
mSampleRateHz = GetSampleRate();
mSerial = GetAnalyzerChannelData( mSettings->mInputChannel );
U32 samples_per_bit = mSampleRateHz / mSettings->mFrequency; // 562.5
U32 samples_to_first_center_of_first_data_bit = U32( 1.5 * double( mSampleRateHz ) / double( mSettings->mFrequency ) ); // 843.75
for ( ; ; )
{
if( mSerial->GetBitState() == BIT_HIGH )
{
mSerial->AdvanceToNextEdge();
}
tick = mSerial->GetSampleNumber();
mSerial->AdvanceToNextEdge();
ntick = mSerial->GetSampleNumber();
mtick = U32((ntick - tick)*1000000/mSampleRateHz);
if (mtick > 8700 && mtick < 9300)
{
// Found 9ms leading burst
Frame frame;
frame.mData1 = 0x1;
frame.mFlags = 0;
frame.mStartingSampleInclusive = tick;
frame.mEndingSampleInclusive = ntick;
mResults->AddFrame( frame );
mResults->CommitResults();
ReportProgress( frame.mEndingSampleInclusive );
// Look for a 4.5ms space
mSerial->AdvanceToNextEdge();
tick = mSerial->GetSampleNumber();
mtick = U32((tick - ntick)*1000000/mSampleRateHz);
if (mtick > 4250 && mtick < 4750)
{
// Found 4.5ms space
Frame frame;
frame.mData1 = 0x2;
frame.mFlags = 0;
frame.mStartingSampleInclusive = ntick;
frame.mEndingSampleInclusive = tick;
mResults->AddFrame( frame );
mResults->CommitResults();
ReportProgress( frame.mEndingSampleInclusive );
mSerial->AdvanceToNextEdge();
tick = mSerial->GetSampleNumber();
// Decode address of receiving device
tick = this->DecodeAddr(tick, 8, IRAnalyzerResults::IADDR);
// Decode logical inverse of address
tick = this->DecodeAddr(tick, 8, IRAnalyzerResults::ADDR);
// Decode command
tick = this->DecodeAddr(tick, 8, IRAnalyzerResults::CMD);
// Decode logical inverse of command
tick = this->DecodeAddr(tick, 8, IRAnalyzerResults::ICMD);
// Space
mSerial->AdvanceToNextEdge();
ntick = mSerial->GetSampleNumber();
mtick = U32((ntick - tick)*1000000/mSampleRateHz);
if (mtick > 40500 && mtick < 42500)
{
Frame frame;
frame.mData1 = 0x2;
frame.mFlags = 0;
frame.mStartingSampleInclusive = tick;
frame.mEndingSampleInclusive = ntick;
mResults->AddFrame( frame );
mResults->CommitResults();
ReportProgress( frame.mEndingSampleInclusive );
}
// Repeat
tick = ntick;
sample = ntick;
mSerial->AdvanceToNextEdge();
ntick = mSerial->GetSampleNumber();
mtick = U32((ntick - sample)*1000000/mSampleRateHz);
if (mtick > 8700 && mtick < 9300)
{
sample = ntick;
mSerial->AdvanceToNextEdge();
ntick = mSerial->GetSampleNumber();
mtick = U32((ntick - sample)*1000000/mSampleRateHz);
if (mtick > 2100 && mtick < 2400)
{
sample = ntick;
mSerial->AdvanceToNextEdge();
ntick = mSerial->GetSampleNumber();
mtick = U32((ntick - sample)*1000000/mSampleRateHz);
if (mtick > 550 && mtick < 620)
{
Frame frame;
frame.mData1 = 0x4;
frame.mFlags = 0;
frame.mStartingSampleInclusive = tick;
frame.mEndingSampleInclusive = ntick;
mResults->AddFrame( frame );
mResults->CommitResults();
ReportProgress( frame.mEndingSampleInclusive );
}
}
}
}
}
}
mResults->CommitResults();
}
void AcuriteAnalyzer::WorkerThread()
{
AcuRiteDecoder decoder;
U32 lastPulse = 0;
Frame frame; // for saving/printing data
frame.mFlags = 0;
frame.mStartingSampleInclusive = 0;
mResults.reset( new AcuriteAnalyzerResults( this, mSettings.get() ) );
SetAnalyzerResults( mResults.get() );
mResults->AddChannelBubblesWillAppearOn( mSettings->mInputChannel );
mSampleRateHz = GetSampleRate();
log("mSampleRateHz is %lu", mSampleRateHz);
mSampleRateMs = mSampleRateHz / 1000000;
log("mSampleRateMs is %lu", mSampleRateMs);
mSerial = GetAnalyzerChannelData( mSettings->mInputChannel );
log("Looking for start low...");
// Have to start on a low pulse...
if( mSerial->GetBitState() == BIT_HIGH )
mSerial->AdvanceToNextEdge();
while (1) {
// Find the leading edge
log("looking for next leading edge");
mSerial->AdvanceToNextEdge();
// Determine the time of this pulse
U64 samplepos = mSerial->GetSampleNumber() / mSampleRateMs;
if ( (!frame.mStartingSampleInclusive) ||
decoder.state == DecodeOOK::UNKNOWN ) {
frame.mStartingSampleInclusive = mSerial->GetSampleNumber();
mResults->AddMarker( mSerial->GetSampleNumber(), AnalyzerResults::Dot, mSettings->mInputChannel );
}
// Pass the pulse to the decoder
log("calling decoder.nextPulse(%lu)", (unsigned long)samplepos - lastPulse);
if (decoder.nextPulse((unsigned long)samplepos - lastPulse)) {
byte size;
log("nextPulse is now done");
const byte *data = decoder.getData(size);
char output[1024];
interpretData(data, size, output);
decoder.resetDecoder();
// Display the data
mResults->AddMarker( mSerial->GetSampleNumber(), AnalyzerResults::Dot, mSettings->mInputChannel );
frame.mEndingSampleInclusive = mSerial->GetSampleNumber();
frame.mData1 = (U64)output; // fixme - this is fugly.
mResults->AddFrame( frame );
mResults->CommitResults();
ReportProgress( frame.mEndingSampleInclusive );
// reset frame for next one
frame.mStartingSampleInclusive = 0;
// make sure we're at a low level when we're done decoding
if ( mSerial->GetBitState() == BIT_HIGH)
mSerial->AdvanceToNextEdge();
}
log("Decoder state is now %d", decoder.state);
lastPulse = samplepos;
}
}
void SerialAnalyzer::WorkerThread()
{
mSampleRateHz = GetSampleRate();
ComputeSampleOffsets();
U32 num_bits = mSettings->mBitsPerTransfer;
if( mSettings->mSerialMode != SerialAnalyzerEnums::Normal )
num_bits++;
if( mSettings->mInverted == false )
{
mBitHigh = BIT_HIGH;
mBitLow = BIT_LOW;
}else
{
mBitHigh = BIT_LOW;
mBitLow = BIT_HIGH;
}
U64 bit_mask = 0;
U64 mask = 0x1ULL;
for( U32 i=0; i<num_bits; i++ )
{
bit_mask |= mask;
mask <<= 1;
}
mSerial = GetAnalyzerChannelData( mSettings->mInputChannel );
mSerial->TrackMinimumPulseWidth();
if( mSerial->GetBitState() == mBitLow )
mSerial->AdvanceToNextEdge();
for( ; ; )
{
//we're starting high. (we'll assume that we're not in the middle of a byte.
mSerial->AdvanceToNextEdge();
//we're now at the beginning of the start bit. We can start collecting the data.
U64 frame_starting_sample = mSerial->GetSampleNumber();
U64 data = 0;
bool parity_error = false;
bool framing_error = false;
bool mp_is_address = false;
DataBuilder data_builder;
data_builder.Reset( &data, mSettings->mShiftOrder, num_bits );
U64 marker_location = frame_starting_sample;
for( U32 i=0; i<num_bits; i++ )
{
mSerial->Advance( mSampleOffsets[i] );
data_builder.AddBit( mSerial->GetBitState() );
marker_location += mSampleOffsets[i];
mResults->AddMarker( marker_location, AnalyzerResults::Dot, mSettings->mInputChannel );
}
if( mSettings->mInverted == true )
data = (~data) & bit_mask;
if( mSettings->mSerialMode != SerialAnalyzerEnums::Normal )
{
//extract the MSB
U64 msb = data >> (num_bits - 1);
msb &= 0x1;
if( mSettings->mSerialMode == SerialAnalyzerEnums::MpModeMsbOneMeansAddress )
{
if( msb == 0x0 )
mp_is_address = false;
else
mp_is_address = true;
}
if( mSettings->mSerialMode == SerialAnalyzerEnums::MpModeMsbZeroMeansAddress )
{
if( msb == 0x0 )
mp_is_address = true;
else
mp_is_address = false;
}
//now remove the msb.
data &= ( bit_mask >> 1 );
}
parity_error = false;
if( mSettings->mParity != AnalyzerEnums::None )
{
mSerial->Advance( mParityBitOffset );
bool is_even = AnalyzerHelpers::IsEven( AnalyzerHelpers::GetOnesCount( data ) );
if( mSettings->mParity == AnalyzerEnums::Even )
{
if( is_even == true )
{
if( mSerial->GetBitState() != mBitLow ) //we expect a low bit, to keep the parity even.
parity_error = true;
}else
{
if( mSerial->GetBitState() != mBitHigh ) //we expect a high bit, to force parity even.
parity_error = true;
}
}else //if( mSettings->mParity == AnalyzerEnums::Odd )
{
if( is_even == false )
{
if( mSerial->GetBitState() != mBitLow ) //we expect a low bit, to keep the parity odd.
parity_error = true;
}else
{
if( mSerial->GetBitState() != mBitHigh ) //we expect a high bit, to force parity odd.
parity_error = true;
}
}
marker_location += mParityBitOffset;
mResults->AddMarker( marker_location, AnalyzerResults::Square, mSettings->mInputChannel );
}
//now we must dermine if there is a framing error.
framing_error = false;
mSerial->Advance( mStartOfStopBitOffset );
if( mSerial->GetBitState() != mBitHigh )
{
framing_error = true;
}else
{
U32 num_edges = mSerial->Advance( mEndOfStopBitOffset );
if( num_edges != 0 )
framing_error = true;
}
if( framing_error == true )
{
marker_location += mStartOfStopBitOffset;
mResults->AddMarker( marker_location, AnalyzerResults::ErrorX, mSettings->mInputChannel );
if( mEndOfStopBitOffset != 0 )
{
marker_location += mEndOfStopBitOffset;
mResults->AddMarker( marker_location, AnalyzerResults::ErrorX, mSettings->mInputChannel );
}
}
//ok now record the value!
//note that we're not using the mData2 or mType fields for anything, so we won't bother to set them.
Frame frame;
frame.mStartingSampleInclusive = frame_starting_sample;
frame.mEndingSampleInclusive = mSerial->GetSampleNumber();
frame.mData1 = data;
frame.mFlags = 0;
if( parity_error == true )
frame.mFlags |= PARITY_ERROR_FLAG | DISPLAY_AS_ERROR_FLAG;
if( framing_error == true )
frame.mFlags |= FRAMING_ERROR_FLAG | DISPLAY_AS_ERROR_FLAG;
if( mp_is_address == true )
frame.mFlags |= MP_MODE_ADDRESS_FLAG;
if( mp_is_address == true )
mResults->CommitPacketAndStartNewPacket();
mResults->AddFrame( frame );
mResults->CommitResults();
ReportProgress( frame.mEndingSampleInclusive );
CheckIfThreadShouldExit();
if( framing_error == true ) //if we're still low, let's fix that for the next round.
{
if( mSerial->GetBitState() == mBitLow )
mSerial->AdvanceToNextEdge();
}
}
void ManchesterAnalyzer::WorkerThread()
{
mManchester = GetAnalyzerChannelData( mSettings->mInputChannel );
mSampleRateHz = this->GetSampleRate();
double half_peroid = 1.0 / double( mSettings->mBitRate * 2 );
half_peroid *= 1000000.0;
mT = U32( ( mSampleRateHz * half_peroid ) / 1000000.0 );
switch( mSettings->mTolerance )
{
case TOL25:
mTError = mT / 2;
break;
case TOL5:
mTError = mT / 10;
break;
case TOL05:
mTError = mT / 100;
break;
}
if( mTError < 3 )
mTError = 3;
//mTError = mT / 2;
mSynchronized = false;
//mResults->AddMarker( mManchester->GetSampleNumber(), AnalyzerResults::One, mSettings->mInputChannel );
mManchester->AdvanceToNextEdge();
mBitsForNextByte.clear();
mUnsyncedLocations.clear();
mIgnoreBitCount = mSettings->mBitsToIgnore;
for( ; ; )
{
switch( mSettings->mMode )
{
case MANCHESTER:
{
SynchronizeManchester();
ProcessManchesterData();
}
break;
case DIFFERENTIAL_MANCHESTER:
{
SynchronizeDifferential();
ProcessDifferential();
}
break;
case BI_PHASE_MARK:
{
SynchronizeBiPhase();
ProcessBiPhaseData();
}
break;
case BI_PHASE_SPACE:
{
SynchronizeBiPhase();
ProcessBiPhaseData();
}
break;
}
//mManchester->AdvanceToNextEdge();
//mResults->CommitResults();
ReportProgress( mManchester->GetSampleNumber() );
CheckIfThreadShouldExit();
}
}
void N64Analyzer::WorkerThread()
{
mResults.reset( new N64AnalyzerResults( this, mSettings.get() ) );
SetAnalyzerResults( mResults.get() );
mResults->AddChannelBubblesWillAppearOn( mSettings->mInputChannel );
mSampleRateHz = GetSampleRate();
mData = GetAnalyzerChannelData( mSettings->mInputChannel );
U64 one_us_low = (U64)((0.75 * (double)mSampleRateHz) / 1000000.0);
U64 one_us_exact = (U64)((1.0 * (double)mSampleRateHz) / 1000000.0);
U64 one_us_high = (U64)((1.25 * (double)mSampleRateHz) / 1000000.0);
U64 two_us_low = (U64)((1.75 * (double)mSampleRateHz) / 1000000.0);
U64 two_us_high = (U64)((2.25 * (double)mSampleRateHz) / 1000000.0);
U64 three_us_low = (U64)((2.75 * (double)mSampleRateHz) / 1000000.0);
U64 three_us_exact = (U64)((3.0 * (double)mSampleRateHz) / 1000000.0);
U64 three_us_high = (U64)((3.25 * (double)mSampleRateHz) / 1000000.0);
// Move forward until the line is high
if( mData->GetBitState() == BIT_LOW )
mData->AdvanceToNextEdge();
// Move until it is low
mData->AdvanceToNextEdge();
std::vector<Frame> frames;
// We're now on a falling edge
for (;;) {
U64 low_start, low_end, high_end;
low_start = mData->GetSampleNumber();
// Measure how long it takes to go high
mData->AdvanceToNextEdge();
low_end = mData->GetSampleNumber();
U64 low_duration = low_end - low_start;
// Measure how long it is high for
mData->AdvanceToNextEdge();
high_end = mData->GetSampleNumber();
U64 high_duration = high_end - low_end;
Frame frame;
bool frame_valid = false;
if (low_duration >= one_us_low && low_duration <= one_us_high)
{
if (high_duration >= three_us_low)
{
// Decide where to call the end of this bit
U64 bit_end = high_end;
if (high_duration > three_us_high)
{
bit_end = low_end + three_us_exact;
}
U64 halfway = low_start + (bit_end - low_start) / 2.0;
mResults->AddMarker( halfway, AnalyzerResults::Dot, mSettings->mInputChannel );
frame.mData1 = 1;
frame.mFlags = 0;
frame.mStartingSampleInclusive = low_start;
frame.mEndingSampleInclusive = bit_end;
frame_valid = true;
}
else
{
// Might be a consolestop bit?
// Put a '3' on just the low part
frame.mData1 = 3;
frame.mFlags = 0;
frame.mStartingSampleInclusive = low_start;
frame.mEndingSampleInclusive = low_end;
frame_valid = true;
}
}
else if (low_duration >= two_us_low && low_duration <= two_us_high)
{
// Controller stop bit
// Mark only the low portion
frame.mData1 = 2;
frame.mFlags = 0;
frame.mStartingSampleInclusive = low_start;
frame.mEndingSampleInclusive = low_end;
frame_valid = true;
}
else if (low_duration >= three_us_low && low_duration <= three_us_high)
{
if (high_duration >= one_us_low)
{
// Decide where to call the end of this bit
U64 bit_end = high_end;
if (high_duration > one_us_high)
{
bit_end = low_end + one_us_exact;
}
U64 halfway = low_start + (bit_end - low_start) / 2.0;
mResults->AddMarker( halfway, AnalyzerResults::Dot, mSettings->mInputChannel );
frame.mData1 = 0;
frame.mFlags = 0;
frame.mStartingSampleInclusive = low_start;
frame.mEndingSampleInclusive = bit_end;
frame_valid = true;
}
else
{
// High portion was too short? should we ignore this?
}
}
if (frame_valid)
{
if (frame.mData1 == 0 || frame.mData1 == 1)
{
frames.push_back(frame);
}
if (frames.size() == 8)
{
// Collect them as a byte
frame.mData1 = (frames[0].mData1 << 7) | (frames[1].mData1 << 6) | (frames[2].mData1 << 5) | (frames[3].mData1 << 4) | (frames[4].mData1 << 3) | (frames[5].mData1 << 2) | (frames[6].mData1 << 1) | (frames[7].mData1 << 0);
frame.mFlags = 0;
frame.mStartingSampleInclusive = frames[0].mStartingSampleInclusive;
frame.mEndingSampleInclusive = frames[7].mEndingSampleInclusive;
mResults->AddFrame( frame );
mResults->CommitResults();
frames.clear();
}
// Check how long it is until
if (frames.size() > 0)
{
if ((high_end - frames[frames.size() - 1].mEndingSampleInclusive) > one_us_exact)
{
for (int i = 0; i < frames.size(); i++)
{
mResults->AddFrame( frames[i] );
mResults->CommitResults();
}
frames.clear();
}
}
}
ReportProgress( high_end );
// We are now on a falling edge which will start the next loop correctly
}
return;
double samples_per_bit = mSampleRateHz / bitrate;
U32 samples_to_first_center_of_first_data_bit = U32( 1.5 * double( mSampleRateHz ) / double( bitrate ) );
mData = GetAnalyzerChannelData( mSettings->mInputChannel );
if( mData->GetBitState() == BIT_LOW )
mData->AdvanceToNextEdge();
int state = CONTROLLER_STOP_BIT;
bool idle = true;
U32 data = 0;
for (;;) {
U64 start, middle, end, first, second;
int bit = NO_BIT;
mData->AdvanceToNextEdge();
start = mData->GetSampleNumber();
middle = 0;
// idle + console stop doesn't give us the first half of the signal
// so we step back to align everything
if (idle && state == CONSOLE_STOP_BIT) {
end = mData->GetSampleOfNextEdge();
first = round((double)(end - start) / samples_per_bit);
if (first == 1 || first == 3) {
middle = start;
idle = false;
if (first == 1) {
start -= samples_per_bit * 3;
} else if (first == 3) {
start -= samples_per_bit * 1;
}
}
}
if (!middle) {
mData->AdvanceToNextEdge();
middle = mData->GetSampleNumber();
}
first = round((double)(middle - start) / samples_per_bit);
end = std::min(mData->GetSampleOfNextEdge(), (U64)(middle + (4 - first) * samples_per_bit));
second = round((double)(end - middle) / samples_per_bit);
if (bit == NO_BIT) {
if (first == 1 && second == 3) {
bit = ONE_BIT;
data = data << 1 | 1;
} else if (first == 3 && second == 1) {
bit = ZERO_BIT;
data = data << 1;
} else if (first == 1 && second == 2) {
idle = true;
state = bit = CONSOLE_STOP_BIT;
// consume an edge because we're on the wrong side of the cycle
mData->AdvanceToNextEdge();
} else if (first == 2 && (second == 1 || second == 2)) {
if (second == 2)
end -= samples_per_bit;
idle = true;
state = bit = CONTROLLER_STOP_BIT;
}
}
if (bit == NO_BIT)
continue;
// add a marker
U64 halfway = start + (end - start) / 2.0;
mResults->AddMarker( halfway, AnalyzerResults::Dot, mSettings->mInputChannel );
Frame frame;
frame.mData1 = bit;
frame.mFlags = 0;
frame.mStartingSampleInclusive = start;
frame.mEndingSampleInclusive = end;
mResults->AddFrame( frame );
mResults->CommitResults();
ReportProgress( frame.mEndingSampleInclusive );
}
return;
}
void LINAnalyzer::WorkerThread()
{
bool showIBS=false; // show inter-byte space?
U8 nDataBytes=0;
bool byteFramingError;
Frame byteFrame; // byte fame from start bit to stop bit
Frame ibsFrame; // inter-byte space startsing after SYNC
ibsFrame.mData1 = 0;
ibsFrame.mData2 = 0;
ibsFrame.mFlags = 0;
ibsFrame.mType = 0;
mSerial = GetAnalyzerChannelData( mSettings->mInputChannel );
if( mSerial->GetBitState() == BIT_LOW )
mSerial->AdvanceToNextEdge();
mResults->CancelPacketAndStartNewPacket();
for( ; ; )
{
ibsFrame.mStartingSampleInclusive = mSerial->GetSampleNumber();
if( ( mFrameState == LINAnalyzerResults::NoFrame ) || ( mFrameState == LINAnalyzerResults::headerBreak ) )
{
byteFrame.mData1 = GetBreakField( byteFrame.mStartingSampleInclusive, byteFrame.mEndingSampleInclusive, byteFramingError );
}
else
{
byteFrame.mData1 = ByteFrame( byteFrame.mStartingSampleInclusive, byteFrame.mEndingSampleInclusive, byteFramingError );
}
ibsFrame.mEndingSampleInclusive = byteFrame.mStartingSampleInclusive;
byteFrame.mData2 = 0;
byteFrame.mFlags = byteFramingError ? LINAnalyzerResults::byteFramingError : 0;
byteFrame.mType = mFrameState;
if ( showIBS )
{
mResults->AddFrame( ibsFrame );
}
switch( mFrameState )
{
case LINAnalyzerResults::NoFrame:
mFrameState = LINAnalyzerResults::headerBreak;
case LINAnalyzerResults::headerBreak: // expecting break
showIBS=true;
if ( byteFrame.mData1 == 0x00 )
{
mFrameState = LINAnalyzerResults::headerSync;
byteFrame.mType = LINAnalyzerResults::headerBreak;
}
else
{
byteFrame.mFlags |= LINAnalyzerResults::headerBreakExpected;
mFrameState = LINAnalyzerResults::NoFrame;
}
break;
case LINAnalyzerResults::headerSync: // expecting sync.
if ( byteFrame.mData1 == 0x55 )
{
mFrameState = LINAnalyzerResults::headerPID;
}
else
{
byteFrame.mFlags |= LINAnalyzerResults::headerSyncExpected;
mFrameState = LINAnalyzerResults::NoFrame;
}
break;
case LINAnalyzerResults::headerPID: // expecting PID.
mFrameState = LINAnalyzerResults::responseDataZero;
if ( mSettings->mLINVersion >= 2 )
{
mChecksum.clear();
mChecksum.add(byteFrame.mData1);
}
break;
// LIN Response
case LINAnalyzerResults::responseDataZero: // expecting first resppnse data byte.
if ( mSettings->mLINVersion < 2 )
{
mChecksum.clear();
}
mChecksum.add(byteFrame.mData1);
nDataBytes = 1;
mFrameState = LINAnalyzerResults::responseData;
break;
case LINAnalyzerResults::responseData: // expecting response data.
if ( nDataBytes >= 8 || mChecksum.result() == byteFrame.mData1 )
{
// FIXME - peek ahead for BREAK such that checksum match + BREAK detected at next char == end of packet.
mFrameState = LINAnalyzerResults::responseChecksum;
byteFrame.mType = LINAnalyzerResults::responseChecksum;
}
else
{
++nDataBytes;
mChecksum.add( byteFrame.mData1 );
break;
}
case LINAnalyzerResults::responseChecksum: // expecting checksum.
nDataBytes = 0;
if ( mChecksum.result() != byteFrame.mData1 )
{
byteFrame.mFlags |= LINAnalyzerResults::checksumMismatch;
}
mFrameState = LINAnalyzerResults::NoFrame;
showIBS=false;
break;
}
byteFrame.mData2 = nDataBytes;
mResults->AddFrame( byteFrame );
mResults->CommitPacketAndStartNewPacket();
mResults->CommitResults();
ReportProgress( byteFrame.mEndingSampleInclusive );
}
}
void AtmelSWIAnalyzer::Setup()
{
// get the channel data pointer
mSDA = GetAnalyzerChannelData(mSettings.mSDAChannel);
}
void PS2KeyboardAnalyzer::WorkerThread()
{
mData = GetAnalyzerChannelData( mSettings->mDataChannel );
mClock = GetAnalyzerChannelData( mSettings->mClockChannel );
//begin from here
for( ; ; )
{
//init all variables, these will be updated by the GetNextData function
U64 DataPayload =0;
U64 frame_starting_sample;
U64 frame_ending_sample;
bool DeviceTx = false;
bool ParityError = false;
bool ACKed = false;
//get a data transmission
GetNextData(frame_starting_sample, frame_ending_sample, DeviceTx, DataPayload, ParityError, ACKed);
Frame frame;
frame.mStartingSampleInclusive = frame_starting_sample;
U8 flags =0x00;
//begin to analyze the frame based on direction of transmission
if(DeviceTx)
{
if(mSettings->mDeviceType==0)
{
//transmission is from Device->Host, device is keyboard
flags = flags | TX_DEVICE_TO_HOST;
bool EndOfFrame = false;
while(!EndOfFrame)
{
if(DataPayload==0xE0)
{
//extended key code
flags = flags | EXTENDED_KEY;
GetNextData(frame_starting_sample, frame_ending_sample, DeviceTx, DataPayload, ParityError, ACKed);
EndOfFrame=false;
}
else if (DataPayload==0xEE)
{
flags = flags | DATA_FRAME;
frame.mData2 = ECHO_FRAME;
EndOfFrame = true;
}
else if (DataPayload==0xAA)
{
flags = flags | DATA_FRAME;
frame.mData2 = BAT_FRAME;
EndOfFrame = true;
}
else if (DataPayload==0xFA)
{
flags = flags | DATA_FRAME;
frame.mData2 = ACK_FRAME;
EndOfFrame = true;
}
else if(DataPayload==0xF0)
{
//break code
flags = flags | BREAK_CODE;
GetNextData(frame_starting_sample, frame_ending_sample, DeviceTx, DataPayload, ParityError, ACKed);
EndOfFrame=false;
}
else if(DataPayload==0xE1)
{
//Pause/break key
bool IsErrorInTx = false;
bool finished = false;
U64 compare_data[7] = {0x14,0x77,0xE1,0xF0,0x14,0xF0,0x77};
int cnt=0;
while(!IsErrorInTx && !finished)
{
GetNextData(frame_starting_sample, frame_ending_sample, DeviceTx, DataPayload, ParityError, ACKed);
if(compare_data[cnt]!=DataPayload)
IsErrorInTx = true;
else
cnt++;
if(cnt>6)
finished=true;
}
if(finished)
flags = flags | PAUSE_BREAK;
else
flags = flags | ERROR_FRAME;
EndOfFrame=true;
}
else if(DataPayload==0x12 && (flags&EXTENDED_KEY))
{
//Print Screen Make
bool IsErrorInTx = false;
bool finished = false;
U64 compare_data[2] = {0xE0,0x7C};
int cnt=0;
while(!IsErrorInTx && !finished)
{
GetNextData(frame_starting_sample, frame_ending_sample, DeviceTx, DataPayload, ParityError, ACKed);
if(compare_data[cnt]!=DataPayload)
IsErrorInTx = true;
else
cnt++;
if(cnt>1)
finished=true;
}
if(finished)
{
flags = flags | PRINT_SCREEN | MAKE_CODE;
}
else
flags = flags | ERROR_FRAME;
EndOfFrame=true;
}
else if(DataPayload==0x7C && flags&BREAK_CODE && flags&EXTENDED_KEY)
{
//Print Screen Break
bool IsErrorInTx = false;
bool finished = false;
U64 compare_data[3] = {0xE0,0xF0,0x12};
int cnt=0;
while(!IsErrorInTx && !finished)
{
GetNextData(frame_starting_sample, frame_ending_sample, DeviceTx, DataPayload, ParityError, ACKed);
if(compare_data[cnt]!=DataPayload)
IsErrorInTx = true;
else
cnt++;
if(cnt>2)
finished=true;
}
if(finished)
{
flags = flags | PRINT_SCREEN | BREAK_CODE;
}
else
flags = flags | ERROR_FRAME;
EndOfFrame=true;
}
else
{
//value
EndOfFrame=true;
}
}
frame.mData1 = DataPayload;
}
else
{
//device is a mouse, transmission from device to house
flags = flags | TX_DEVICE_TO_HOST;
if(DataPayload==0xFA)
{
flags = flags | DATA_FRAME;
frame.mData2 = ACK_FRAME;
}
else if (DataPayload==0xAA)
{
flags = flags | DATA_FRAME;
frame.mData2 = BAT_FRAME;
}
else if(DataPayload&0x08)
{
flags = flags | MOVEMENT_FRAME;
U64 movement_packet[4] = {0x00, 0x00, 0x00, 0x00};
movement_packet[0] = DataPayload;
GetNextData(frame_starting_sample, frame_ending_sample, DeviceTx, movement_packet[1], ParityError, ACKed);
GetNextData(frame_starting_sample, frame_ending_sample, DeviceTx, movement_packet[2], ParityError, ACKed);
if(mSettings->mDeviceType==2)
GetNextData(frame_starting_sample, frame_ending_sample, DeviceTx, movement_packet[3], ParityError, ACKed);
DataPayload = movement_packet[3]<<24 | movement_packet[2]<<16 | movement_packet[1]<<8 | movement_packet[0];
}
else
{
}
frame.mData1 = DataPayload;
}
}
else
{
//transmission is Host->Device
flags = flags | TX_HOST_TO_DEVICE;
frame.mData1 = DataPayload;
}
frame.mFlags = flags;
frame.mEndingSampleInclusive = frame_ending_sample;
mResults->AddFrame(frame);
mResults->CommitResults();
ReportProgress( frame.mEndingSampleInclusive );
CheckIfThreadShouldExit();
}
}
