示例#1
0
def StartAcquisition(protocolReactor):
	global CPTH
	global id
	global StartTime
	global dataset
	StartTime = datetime.datetime.now()
	filename = os.path.join(INSDIR+'/Python/temp', StartTime.strftime("%Y%m%d-%H%M%S")+'-record%s'%id+'.hdf5')
	# Creates HDF5 file to save signals in real time
	fid = h5db.hdf(filename, 'w')
	header = {'MAC': CPTH.macAddress, 'date': datetime.datetime.utcnow().isoformat()}
	fid.addInfo(header)
	signalsRT = {}
	blockShape = (CPTH.nSamples,)
	keysSorted = dataset.keys()
	keysSorted.sort()
	for i,j in enumerate(dataset):
		mdata = {'type': '/AnalogInputs/Analog%s'%i,  'name': dataset[keysSorted[i]]['label'].split(' [')[0],'labels': [dataset[keysSorted[i]]['label']]}
		dataName = dataset[keysSorted[i]]['label'].split(' [')[0]
		signalsRT['Analog%s'%i] = fid.addSignalRT(mdata['type'], mdata, dataName, blockShape)
	for i in range(4) :
		mdata = {'type': '/DigitalInputs/Digital%s'%i,  'name': 'Digital%s'%i,'labels': ['Digital%s'%i]}
		dataName = 'Digital%s'%i
		signalsRT['Digital%s'%i] = fid.addSignalRT(mdata['type'], mdata, dataName, blockShape)
		
	mdata = {'type': '/others', 'name': 'SeqN', 'labels':['SeqN']}
	signalsRT['SeqN'] = fid.addSignalRT(mdata['type'], mdata, 'SeqN', blockShape)
	CPTH.file=fid
	CPTH.RT = signalsRT
	CPTH.filename = filename
	
	# Sends command to start acquisition
	CPTH.acquire = True
	CPTH.reactorr = protocolReactor
	id=id+1
	print "Acquisition set to start"
示例#2
0
def saveFile(path,file,type):
	try:
		global CPTH
		file.decode("utf-8","ignore")
		if type=="txt":
			if file[-4:] == '.txt': file = file[:-4]
			f=h5py.File(CPTH.filename);
			#Txt File
			mdata = f.attrs['json']
			head = eval(mdata)
			sig = listHDF5Signals(f)
			FinalArray = numpy.zeros((len(f[sig[0]].value),len(sig)))
			h = [None] * len(sig)
			for s in sig:
				if 'SeqN' in s:
					FinalArray[:,0] = f[s].value
					h[0] = s.split('/')[-1]
				elif 'Digital' in s:
					d = s.split('/')[-1][-1]
					FinalArray[:,int(d)+1] = f[s].value
					h[int(d)+1] = s.split('/')[-1]
				elif 'Analog' in s:
					a = s.split('/')[-2][-1]
					FinalArray[:,int(a)+5] = f[s].value
					h[int(a)+5] = s.split('/')[-1]
			head['ChannelsOrder'] = h
			numpy.savetxt(path+'/'+file+'.txt',FinalArray,fmt='%0d',delimiter='\t',header=json.dumps(head))
			f.close()
		#hdf5 file
		else:
			if file[-5:] == '.hdf5': file = file[:-5]
			shutil.copy(CPTH.filename,os.path.join(path,file+'.hdf5'))
			f = h5db.hdf(os.path.join(path,file+'.hdf5'))
			mdata = f.getInfo()['header']
			mdata['name'] = file
			f.addInfo(mdata)
			f.close()
	except Exception:
		print traceback.format_exc()
	return 'FileSaved()'