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C++ Timing::GetSecondsDouble方法代码示例

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;
}
开发者ID:enascimento,项目名称:picoscope,代码行数:101,代码来源:run_picoscope.cpp

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.........
开发者ID:enascimento,项目名称:picoscope,代码行数:101,代码来源:measurement.cpp

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;
}
开发者ID:enascimento,项目名称:picoscope,代码行数:101,代码来源:measurement.cpp

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);
}
开发者ID:enascimento,项目名称:picoscope,代码行数:101,代码来源:measurement.cpp


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