本文整理汇总了C++中Timing::GetSecondsDouble方法的典型用法代码示例。如果您正苦于以下问题:C++ Timing::GetSecondsDouble方法的具体用法?C++ Timing::GetSecondsDouble怎么用?C++ Timing::GetSecondsDouble使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Timing
的用法示例。
在下文中一共展示了Timing::GetSecondsDouble方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: main
//.........这里部分代码省略.........
while(meas->GetNextDataBulk() > 0) {
for(i=0; i<PICOSCOPE_N_CHANNELS; i++) {
if(ch[i]->IsEnabled()) {
if(x.IsTextOutput()) {
meas->WriteDataTxt(ft[i], i); // zero for channel A
}
if(x.IsBinaryOutput()) {
meas->WriteDataBin(fb[i], i); // zero for channel A
}
}
}
}
}
if(run>1) {
fprintf(f, "repeats: %u\n", run);
}
// tmp_dbl = meas->GetRatePerSecond();
// fprintf(f, "\nrate: \n");
// if(fabs(tmp_dbl) > 1e6) {
// fprintf(f, "%.3f MS/s\n", tmp_dbl*1e-6);
// } else if(fabs(tmp_dbl) > 1e3) {
// fprintf(f, "%.3f kS/s\n", tmp_dbl*1e-3);
// } else {
// fprintf(f, "%f S/s\n", tmp_dbl);
// }
} else {
unsigned int run=0;
for(run=0; run<x.GetNRepeats() && !_kbhit(); run++) {
if(run>0) {
cerr << "\nRepeat #" << run+1 << endl;
meas->RunBlock();
}
while(meas->GetNextData() > 0) {
for(i=0; i<PICOSCOPE_N_CHANNELS; i++) {
if(ch[i]->IsEnabled()) {
if(x.IsTextOutput()) {
meas->WriteDataTxt(ft[i], i); // zero for channel A
}
if(x.IsBinaryOutput()) {
meas->WriteDataBin(fb[i], i); // zero for channel A
}
}
}
}
}
if(run>1) {
fprintf(f, "repeats: %u\n", run);
}
}
fclose(f);
for(i=0; i<PICOSCOPE_N_CHANNELS; i++) {
if(ft[i] != NULL) {
fclose(ft[i]);
}
if(fb[i] != NULL) {
fclose(fb[i]);
}
}
// apparently this doesn't work for some weird reason
// meas->RunBlock(); meas->GetNextData();
// meas->RunBlock(); meas->GetNextData();
// meas->RunBlock(); meas->GetNextData();
// meas->RunBlock(); meas->GetNextData();
pico->Close();
t.Stop();
cerr << "Timing: " << t.GetSecondsDouble() << "s\n";
}
delete pico; pico = NULL;
delete meas; meas = NULL;
} catch(Picoscope::PicoscopeException& ex) {
cerr << "Some picoscope exception:" << endl
<< "Error number " << ex.GetErrorNumber() << ": " << ex.GetErrorMessage() << endl
<< '(' << ex.GetVerboseErrorMessage() << ')' << endl;
try {
// pico.Close();
} catch(...) {}
} catch(Picoscope::PicoscopeUserException& ex) {
cerr << "Some exception:" << endl
<< ex.GetErrorMessage() << endl;
// catch any exceptions
} catch(const char* s) {
cerr << "Some exception has occurred:\n" << s << endl;
} catch (std::bad_alloc& ba) {
std::cerr << "Exception: bad_alloc: " << ba.what() << endl;
} catch (const std::exception &exc) {
// catch anything thrown within try block that derives from std::exception
std::cerr << "Exception: " << exc.what() << endl;
} catch(...) {
cerr << "Some exception has occurred" << endl;
}
return 0;
}
示例2: GetNextData
// 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);
//.........这里部分代码省略.........
示例3: GetNextDataBulk
//.........这里部分代码省略.........
}
}
// 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;
}
示例4: RunBlock
//.........这里部分代码省略.........
} 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);
}