Esempio n. 1
0
	def getRecord(self, numSample):
		eegSamples = []
		rateNumer = int(self.rate)

		rateDenom = 1
		
		if len(self.buffer)<numSample: 
			if self.readFromFile()=='%ENDFILE': return "%ENDFILE"

		for i in range(numSample): 
			eegSamples.append(self.buffer.pop(0))

		eegOut = EEGSample(self.chanNum, 1, rateNumer, rateDenom, self.time)
		eegOut.addChannel(eegSamples)
		self.time += (500.0 / self.rate *1e4)
		return eegOut
Esempio n. 2
0
def genFakeWave(numSamples, seqStart, srcChn):
	print "Generating fake EEG wave data"
	import time, math
	seq = seqStart
	waveList = []
	type = 1
	gain = 10000
	selChan, rateNumer, rateDenom, filid = 0, 4000, 1, 1

	for packet in range(numSamples):
		wave = EEGSample(selChan, rateNumer, rateDenom, filid, time.clock())
		samples = []

		for sample in range(100):
			samples.append(int(math.sin(2*math.pi*sample/100)*gain))
		wave.addChannel(samples)
		wave = dataPacketHandler.encodePacket(seq, wave.toBinary(srcChn,type))
		waveList.append(wave)
		seq += 1
	return waveList