bool VC1TaskStore::Reset()
{
uint32_t i = 0;
//close
m_bIsLastFramesMode = false;
ResetDSQueue();
if (vm_mutex_is_valid(&m_mDSGuard))
vm_mutex_destroy(&m_mDSGuard);
for (i = 0; i < m_iNumFramesProcessing; i++)
{
vm_mutex_destroy(m_pGuardGet[i]);
m_pGuardGet[i] = 0;
}
if(m_pMemoryAllocator)
{
if (m_pDescriptorQueue)
{
for (i = 0; i < m_iNumFramesProcessing; i++)
m_pDescriptorQueue[i]->Release();
}
if (static_cast<int>(m_iTSHeapID) != -1)
{
m_pMemoryAllocator->Unlock(m_iTSHeapID);
m_pMemoryAllocator->Free(m_iTSHeapID);
m_iTSHeapID = (MemID)-1;
}
m_iNumDSActiveinQueue = 0;
delete m_pSHeap;
// Heap Allocation
{
uint32_t heapSize = CalculateHeapSize();
if (m_pMemoryAllocator->Alloc(&m_iTSHeapID,
heapSize,
UMC_ALLOC_PERSISTENT,
16) != UMC_OK)
return false;
m_pSHeap = new VC1TSHeap((uint8_t*)m_pMemoryAllocator->Lock(m_iTSHeapID), heapSize);
}
{
m_pSHeap->s_new(&m_pGuardGet,m_iNumFramesProcessing);
for (i = 0; i < m_iNumFramesProcessing; i++)
{
m_pSHeap->s_new(&m_pGuardGet[i]);
vm_mutex_set_invalid(m_pGuardGet[i]);
if (VM_OK != vm_mutex_init(m_pGuardGet[i]))
return false;
}
}
}
if (0 == vm_mutex_is_valid(&m_mDSGuard))
{
if (VM_OK != vm_mutex_init(&m_mDSGuard))
return false;
}
SetBFrameIndex(-1);
SetCurrIndex(-1);
SetRangeMapIndex(-1);
SetPrevIndex(-1);
SetNextIndex(-1);
return true;
}
// TODO: we might want to use multiple buffers at the same time
// returns the length of data
// TODO: the first part only needs to be called once; so we should move the code at the end of RunBlock
// unless we want to alternate between allocated memory (to enable parallel readouts)
unsigned long Measurement::GetNextData()
{
FILE_LOG(logDEBUG3) << "Measurement::GetNextData";
int i;
short overflow=0;
uint32_t length_of_trace_askedfor, length_of_trace_fetched;
Timing t;
// it makes no sense to read any further: we are already at the end
if(GetNextIndex() >= GetLength()) {
std::cerr << "Stop fetching data from osciloscope." << std::endl;
return 0UL;
}
length_of_trace_askedfor = GetMaxTraceLengthToFetch();
if(GetNextIndex() + length_of_trace_askedfor > GetLength()) {
length_of_trace_askedfor = GetLength() - GetNextIndex();
}
// allocate buffers
for(i=0; i<GetNumberOfChannels(); i++) {
if(GetChannel(i)->IsEnabled()) {
if(data_allocated[i] == false) {
throw "Unable to get data. Memory is not allocated.";
}
if(GetSeries() == PICO_4000) {
FILE_LOG(logDEBUG2) << "ps4000SetDataBuffer(handle=" << GetHandle() << ", channel=" << i << ", *buffer=<data[i]>, bufferLength=" << GetMaxTraceLengthToFetch() << ")";
GetPicoscope()->SetStatus(ps4000SetDataBuffer(
GetHandle(), // handle
(PS4000_CHANNEL)i, // channel
data[i], // *buffer
GetMaxTraceLengthToFetch())); // bufferLength
} else {
FILE_LOG(logDEBUG2) << "ps6000SetDataBuffer(handle=" << GetHandle() << ", channel=" << i << ", *buffer=<data[i]>, bufferLength=" << GetMaxTraceLengthToFetch() << ", downSampleRatioMode=PS6000_RATIO_MODE_NONE)";
GetPicoscope()->SetStatus(ps6000SetDataBuffer(
GetHandle(), // handle
(PS6000_CHANNEL)i, // channel
data[i], // *buffer
GetMaxTraceLengthToFetch(), // bufferLength
PS6000_RATIO_MODE_NONE)); // downSampleRatioMode
}
if(GetPicoscope()->GetStatus() != PICO_OK) {
std::cerr << "Unable to set memory for channel." << std::endl;
throw Picoscope::PicoscopeException(GetPicoscope()->GetStatus());
}
}
}
// fetch data
length_of_trace_fetched = length_of_trace_askedfor;
std::cerr << "Get data for points " << GetNextIndex() << "-" << GetNextIndex()+length_of_trace_askedfor << " (" << 100.0*(GetNextIndex()+length_of_trace_askedfor)/GetLength() << "%) ... ";
t.Start();
// std::cerr << "length of buffer: " << data_length[0] << ", length of requested trace: " << length_of_trace_askedfor << " ... ";
if(GetSeries() == PICO_4000) {
FILE_LOG(logDEBUG2) << "ps4000GetValues(handle=" << GetHandle() << ", startIndex=" << GetNextIndex() << ", *noOfSamples=" << length_of_trace_fetched << ", downSampleRatio=1, downSampleRatioMode=PS4000_RATIO_MODE_NONE, segmentIndex=0, *overflow)";
GetPicoscope()->SetStatus(ps4000GetValues(
GetHandle(), // handle
// TODO: start index
GetNextIndex(), // startIndex
// this could also be min(GetMaxTraceLengthToFetch(),wholeLength-startindex)
&length_of_trace_fetched, // *noOfSamples
1, // downSampleRatio
PS4000_RATIO_MODE_NONE, // downSampleRatioMode
0, // segmentIndex
&overflow)); // *overflow
FILE_LOG(logDEBUG2) << "-> length_of_trace_fetched=" << length_of_trace_fetched << "\n";
} else {
FILE_LOG(logDEBUG2) << "ps6000GetValues(handle=" << GetHandle() << ", startIndex=" << GetNextIndex() << ", *noOfSamples=" << length_of_trace_fetched << ", downSampleRatio=1, downSampleRatioMode=PS6000_RATIO_MODE_NONE, segmentIndex=0, *overflow)";
GetPicoscope()->SetStatus(ps6000GetValues(
GetHandle(), // handle
// TODO: start index
GetNextIndex(), // startIndex
// this could also be min(GetMaxTraceLengthToFetch(),wholeLength-startindex)
&length_of_trace_fetched, // *noOfSamples
1, // downSampleRatio
PS6000_RATIO_MODE_NONE, // downSampleRatioMode
0, // segmentIndex
&overflow)); // *overflow
FILE_LOG(logDEBUG2) << "-> length_of_trace_fetched=" << length_of_trace_fetched << "\n";
}
t.Stop();
if(GetPicoscope()->GetStatus() != PICO_OK) {
std::cerr << "Unable to set memory for channel." << std::endl;
throw Picoscope::PicoscopeException(GetPicoscope()->GetStatus());
}
if(overflow) {
for(i=0; i<GetNumberOfChannels(); i++) {
if(overflow & (1<<i)) {
std::cerr << "Warning: Overflow on channel " << (char)('A'+i) << ".\n";
}
}
}
if(length_of_trace_fetched != length_of_trace_askedfor) {
std::cerr << "Warning: The number of read samples was smaller than requested.\n";
}
std::cerr << "OK ("<< t.GetSecondsDouble() <<"s)\n";
SetLengthFetched(length_of_trace_fetched);
SetNextIndex(GetNextIndex()+length_of_trace_fetched);
return length_of_trace_fetched;
}
unsigned long Measurement::GetNextDataBulk()
{
FILE_LOG(logDEBUG3) << "Measurement::GetNextDataBulk";
unsigned long i, j, index;
short *overflow;
uint32_t traces_asked_for, length_of_trace_fetched;
// unsigned long length_of_trace_askedfor, length_of_trace_fetched;
Timing t;
// std::cerr << "(GetNextDataBulk: " << GetNextIndex() << ", " << GetMaxTracesToFetch() << ")\n";
// it makes no sense to read any further: we are already at the end
if(GetNextIndex() >= GetNTraces()) {
std::cerr << "Stop fetching data from ociloscope." << std::endl;
return 0UL;
}
/*
try {
for(i=0; i<GetNumberOfChannels(); i++) {
if(GetChannel(i)->IsEnabled()) {
delete [] data[i];
data[i] = new short[GetMaxTracesToFetch()*GetLength()];
}
}
} catch(...) {
std::cerr << "Unable to allocate memory in Measurement::AllocateMemoryBlock." << std::endl;
throw;
}
/**/
traces_asked_for = GetMaxTracesToFetch();
if(GetNextIndex() + traces_asked_for > GetNTraces()) {
traces_asked_for = GetNTraces() - GetNextIndex();
}
// allocate buffers
for(i=0; i<GetNumberOfChannels(); i++) {
if(GetChannel(i)->IsEnabled()) {
FILE_LOG(logDEBUG4) << "Measurement::GetNextDataBulk - memset data[i]" << GetLength()*traces_asked_for*sizeof(short);
memset(data[i], 0, GetLength()*traces_asked_for*sizeof(short));
FILE_LOG(logDEBUG4) << "done";
}
for(j=0; j<traces_asked_for; j++) {
index = j+GetNextIndex();
if(GetChannel(i)->IsEnabled()) {
if(data_allocated[i] == false) {
throw "Unable to get data. Memory is not allocated.";
}
if(GetSeries() == PICO_4000) {
// GetPicoscope()->SetStatus(ps4000SetDataBufferBulk(
// GetHandle(), // handle
// (PS4000_CHANNEL)i, // channel
// data[i], // *buffer
// GetMaxTraceLengthToFetch())); // bufferLength
GetPicoscope()->SetStatus(ps4000SetDataBufferBulk(
GetHandle(), // handle
(PS4000_CHANNEL)i, // channel
&data[i][j*GetLength()], // *buffer
GetLength(), // bufferLength
index)); // waveform
} else {
// unsigned long dj = (j+GetNextIndex()/GetMaxTracesToFetch())%traces_asked_for;
// std::cerr << "-- (set data buffer bulk: [" << i << "][" << dj
// << "], len:" << GetLength() << ", index:" << index
// << ", from:" << GetNextIndex()
// << ", to:" << GetNextIndex()+traces_asked_for-1 << "\n";
GetPicoscope()->SetStatus(ps6000SetDataBufferBulk(
GetHandle(), // handle
(PS6000_CHANNEL)i, // channel
&data[i][j*GetLength()], // *buffer
GetLength(), // bufferLength
index, // waveform
PS6000_RATIO_MODE_NONE)); // downSampleRatioMode
}
if(GetPicoscope()->GetStatus() != PICO_OK) {
std::cerr << "Unable to set memory for channel." << std::endl;
throw Picoscope::PicoscopeException(GetPicoscope()->GetStatus());
}
}
}
}
// fetch data
// length_of_trace_fetched = length_of_trace_askedfor;
std::cerr << "Get data for traces " << GetNextIndex() << "-" << GetNextIndex()+traces_asked_for << " (" << 100.0*(GetNextIndex()+traces_asked_for)/GetNTraces() << "%) ... ";
overflow = new short[traces_asked_for];
memset(overflow, 0, traces_asked_for*sizeof(short));
// std::cerr << "-- x1\n";
t.Start();
// std::cerr << "length of buffer: " << data_length[0] << ", length of requested trace: " << length_of_trace_askedfor << " ... ";
if(GetSeries() == PICO_4000) {
length_of_trace_fetched = GetLength();
GetPicoscope()->SetStatus(ps4000GetValuesBulk(
GetHandle(), // handle
&length_of_trace_fetched, // *noOfSamples
// TODO: start index
GetNextIndex(), // fromSegmentIndex
GetNextIndex()+traces_asked_for-1, // toSegmentIndex
// this could also be min(GetMaxTraceLengthToFetch(),wholeLength-startindex)
overflow)); // *overflow
} else {
// TODO: not sure about this ...
length_of_trace_fetched = GetLength();
GetPicoscope()->SetStatus(ps6000GetValuesBulk(
GetHandle(), // handle
&length_of_trace_fetched, // *noOfSamples
// TODO: start index
GetNextIndex(), // fromSegmentIndex
GetNextIndex()+traces_asked_for-1, // toSegmentIndex
// this could also be min(GetMaxTraceLengthToFetch(),wholeLength-startindex)
1, // downSampleRatio
PS6000_RATIO_MODE_NONE, // downSampleRatioMode
overflow)); // *overflow
}
t.Stop();
// std::cerr << "-- x2\n";
if(GetPicoscope()->GetStatus() != PICO_OK) {
std::cerr << "Unable to set memory for channel." << std::endl;
throw Picoscope::PicoscopeException(GetPicoscope()->GetStatus());
}
for(i=0; i<traces_asked_for; i++) {
for(j=0; i<GetNumberOfChannels(); i++) {
if(overflow[i] & (1<<j)) {
FILE_LOG(logWARNING) << "Warning: Overflow on channel " << (char)('A'+j) << " of trace " << i+GetNextIndex() << ".\n";
}
}
}
delete [] overflow;
// if(length_of_trace_fetched != length_of_trace_askedfor) {
// std::cerr << "Warning: The number of read samples was smaller than requested.\n";
// }
// getting timestamps
int64_t *timestamps;
PS6000_TIME_UNITS *timeunits;
timestamps = new int64_t[traces_asked_for];
timeunits = new PS6000_TIME_UNITS[traces_asked_for];
if(GetSeries() == PICO_4000) {
// NOT YET IMPLEMENTED
} else {
FILE_LOG(logDEBUG2) << "ps6000GetValuesTriggerTimeOffsetBulk64(handle=" << GetHandle() << ", *timestamps, *timeunits, fromSegmentIndex=" << GetNextIndex() << ", toSegmentIndex=" << GetNextIndex()+traces_asked_for-1 << ")";
GetPicoscope()->SetStatus(ps6000GetValuesTriggerTimeOffsetBulk64(
GetHandle(), // handle
timestamps, // *times
timeunits, // *timeUnits
GetNextIndex(), // fromSegmentIndex
GetNextIndex()+traces_asked_for-1)); // toSegmentIndex
}
if(GetPicoscope()->GetStatus() != PICO_OK) {
std::cerr << "Unable to get timestamps." << std::endl;
throw Picoscope::PicoscopeException(GetPicoscope()->GetStatus());
}
// for(i=0; i<traces_asked_for; i++) {
// std::cerr << "time " << i << ": " << timestamps[i] << "\n";
// }
SetRate(traces_asked_for, timestamps[0], timeunits[0], timestamps[traces_asked_for-1], timeunits[traces_asked_for-1]);
// if(timeunits[0] != timeunits[traces_asked_for-1]) {
// FILE_LOG(logWARNING) << "time unit of the first and last sample differ; rate is not reliable; TIMING seems to be broken anyway";
// }
delete [] timestamps;
delete [] timeunits;
std::cerr << "OK ("<< t.GetSecondsDouble() <<"s)\n";
// std::cerr << "length of trace fetched: " << length_of_trace_fetched << "\n";
// std::cerr << "total length: " << traces_asked_for*length_of_trace_fetched << "\n";
SetLengthFetched(traces_asked_for*length_of_trace_fetched);
// std::cerr << "-- next index is now " << GetNextIndex() << ", will be set to " << GetNextIndex() + traces_asked_for << "\n";
SetNextIndex(GetNextIndex()+traces_asked_for);
// std::cerr << "-- next index is now " << GetNextIndex() << "\n";
// std::cerr << "-- return value " << traces_asked_for << "\n";
return traces_asked_for;
}
void Measurement::RunBlock()
{
FILE_LOG(logDEBUG3) << "Measurement::RunBlock";
int i;
Timing t;
uint32_t max_length=0;
// we will have to start reading our data from beginning again
SetNextIndex(0);
// test if channel settings have already been passed to picoscope
// and only pass them again if that isn't the case
FILE_LOG(logDEBUG4) << "Measurement::RunBlock - we have " << GetNumberOfChannels() << " channels";
for(i=0; i<GetNumberOfChannels(); i++) {
FILE_LOG(logDEBUG4) << "Measurement::RunBlock - setting channel " << (char)('A'+i) << " (which holds index " << GetChannel(i)->GetIndex() << ")";
GetChannel(i)->SetChannelInPicoscope();
}
// this fixes the timebase if more than a single channel is selected
FixTimebase();
// timebase
SetTimebaseInPicoscope();
// trigger
if(IsTriggered()) {
GetTrigger()->SetTriggerInPicoscope();
}
// for rapid block mode
if(GetNTraces() > 1) {
// TODO - check that GetLength()*GetNumberOfEnabledChannels()*GetNTraces() doesn't exceed the limit
if(GetSeries() == PICO_4000) {
FILE_LOG(logDEBUG2) << "ps4000SetNoOfCaptures(handle=" << GetHandle() << ", nCaptures=" << GetNTraces() << ")";
GetPicoscope()->SetStatus(ps4000SetNoOfCaptures(
GetHandle(), // handle
GetNTraces())); // nCaptures
} else {
FILE_LOG(logDEBUG2) << "ps6000SetNoOfCaptures(handle=" << GetHandle() << ", nCaptures=" << GetNTraces() << ")";
GetPicoscope()->SetStatus(ps6000SetNoOfCaptures(
GetHandle(), // handle
GetNTraces())); // nCaptures
}
if(GetPicoscope()->GetStatus() != PICO_OK) {
std::cerr << "Unable to set number of captures to " << GetNTraces() << std::endl;
throw Picoscope::PicoscopeException(GetPicoscope()->GetStatus());
}
if(GetSeries() == PICO_4000) {
FILE_LOG(logDEBUG2) << "ps4000MemorySegments(handle=" << GetHandle() << ", nSegments=" << GetNTraces() << ", &max_length=" << max_length << ")";
GetPicoscope()->SetStatus(ps4000MemorySegments(
GetHandle(), // handle
GetNTraces(), // nSegments
&max_length));
FILE_LOG(logDEBUG2) << "->ps4000MemorySegments(... max_length=" << max_length << ")";
} else {
FILE_LOG(logDEBUG2) << "ps6000MemorySegments(handle=" << GetHandle() << ", nSegments=" << GetNTraces() << ", &max_length=" << max_length << ")";
GetPicoscope()->SetStatus(ps6000MemorySegments(
GetHandle(), // handle
GetNTraces(), // nSegments
&max_length));
FILE_LOG(logDEBUG2) << "->ps6000MemorySegments(... max_length=" << max_length << ")";
}
if(GetPicoscope()->GetStatus() != PICO_OK) {
std::cerr << "Unable to set number of segments to " << GetNTraces() << std::endl;
throw Picoscope::PicoscopeException(GetPicoscope()->GetStatus());
}
if(max_length < GetLength()) { // TODO: times number of enabled channels
std::cerr << "The maximum length of trace you can get with " << GetNTraces()
<< " traces is " << max_length << ", but you requested " << GetLength() << "\n";
throw;
}
if(GetSeries() == PICO_4000) {
FILE_LOG(logDEBUG2) << "ps4000SetNoOfCaptures(handle=" << GetHandle() << ", nCaptures=" << GetNTraces() << ")";
GetPicoscope()->SetStatus(ps4000SetNoOfCaptures(
GetHandle(), // handle
GetNTraces())); // nCaptures
} else {
FILE_LOG(logDEBUG2) << "ps6000SetNoOfCaptures(handle=" << GetHandle() << ", nCaptures=" << GetNTraces() << ")";
GetPicoscope()->SetStatus(ps6000SetNoOfCaptures(
GetHandle(), // handle
GetNTraces())); // nCaptures
}
if(GetPicoscope()->GetStatus() != PICO_OK) {
std::cerr << "Unable to set number of captures to " << GetNTraces() << std::endl;
throw Picoscope::PicoscopeException(GetPicoscope()->GetStatus());
}
}
//std::cerr << "\nPress a key to start fetching the data ...\n";
//_getch();
t.Start();
GetPicoscope()->SetReady(false);
if(GetSeries() == PICO_4000) {
FILE_LOG(logDEBUG2) << "ps4000RunBlock(handle=" << GetHandle() << ", noOfPreTriggerSamples=" << GetLengthBeforeTrigger() << ", noOfPostTriggerSamples=" << GetLengthAfterTrigger() << ", timebase=" << timebase << ", oversample=1, *timeIndisposedMs=NULL, segmentIndex=0, lpReady=CallBackBlock, *pParameter=NULL)";
GetPicoscope()->SetStatus(ps4000RunBlock(
GetHandle(), // handle
GetLengthBeforeTrigger(), // noOfPreTriggerSamples
GetLengthAfterTrigger(), // noOfPostTriggerSamples
timebase, // timebase
1, // ovesample
NULL, // *timeIndisposedMs
0, // segmentIndex
CallBackBlock, // lpReady
NULL)); // *pParameter
} else {
FILE_LOG(logDEBUG2) << "ps6000RunBlock(handle=" << GetHandle() << ", noOfPreTriggerSamples=" << GetLengthBeforeTrigger() << ", noOfPostTriggerSamples=" << GetLengthAfterTrigger() << ", timebase=" << timebase << ", oversample=1, *timeIndisposedMs=NULL, segmentIndex=0, lpReady=CallBackBlock, *pParameter=NULL)";
GetPicoscope()->SetStatus(ps6000RunBlock(
GetHandle(), // handle
GetLengthBeforeTrigger(), // noOfPreTriggerSamples
GetLengthAfterTrigger(), // noOfPostTriggerSamples
timebase, // timebase
1, // ovesample
NULL, // *timeIndisposedMs
0, // segmentIndex
CallBackBlock, // lpReady
NULL)); // *pParameter
}
if(GetPicoscope()->GetStatus() != PICO_OK) {
std::cerr << "Unable to start collecting samples" << std::endl;
throw Picoscope::PicoscopeException(GetPicoscope()->GetStatus());
} else {
std::cerr << "Start collecting samples in "
<< ((GetNTraces() > 1) ? "rapid " : "") << "block mode ... ";
}
// TODO: maybe we want it to be asynchronous
// TODO: catch the _kbhit event!!!
// while (!Picoscope::IsReady() && !_kbhit()) {
while (!Picoscope::IsReady()) {
Sleep(200);
}
t.Stop();
std::cerr << "OK (" << t.GetSecondsDouble() << "s)\n";
// sets the index from where we want to start reading data to zero
SetNextIndex(0UL);
}
