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152 | tic
%% open/read file and set up Environment
%clear;clc;close all
activateCEDS64
% Start Time
START_TIME = 0;
%AstSamples = floor(START_TIME * 1000);
AstSamples = 1;
% Wavelength
WAVELENGTH = 999;
% path to file
files = [
%"Z:\1_Ruth Empson\151217 VOR\segment_1.smr"
%"Z:\1_Ruth Empson\151217 VOR\segment_2.smr"
%"Z:\1_Ruth Empson\151217 VOR\segment_3.smr"
"Z:\1_Ruth Empson\151217 VOR\segment_4.smr"
"Z:\1_Ruth Empson\151217 VOR\segment_5.smr"
"Z:\1_Ruth Empson\151217 VOR\segment_6.smr"
"Z:\1_Ruth Empson\151217 VOR\segment_7.smr"
"Z:\1_Ruth Empson\151217 VOR\segment_8.smr"
"Z:\1_Ruth Empson\151217 VOR\segment_9.smr"
%"Z:\1_Ruth Empson\151217 VOR\segment_10.smr"
];
% Pre-allocate Vectors
offTotal = zeros(WAVELENGTH + 1, 1);
offCount = 0;
onTotal = zeros(WAVELENGTH + 1, 1);
onCount = 0;
badCount = 0;
sineTotal = zeros(WAVELENGTH + 1,1);
for q = 1:length(files)
fhand1 = CEDS64Open(files{q});
fprintf('\nSTARTING PART: %d\n', q)
%% Gather data from specific channels
% sineWave channel (8)
[ ~, sineWave, ~ ] = CEDS64ReadWaveF(fhand1, 1, 600000000, 0);
% ePhys channel (11)
[ ~, ePhys, ~ ] = CEDS64ReadWaveF(fhand1,32, 600000000, 0);
% light / dark channel (9)
[ ~, tickTimes] = CEDS64ReadMarkers(fhand1, 9, 200, 0);
%% CREATE TIMELINE OF 1s & 0s FOR ON/OFF LIGHT
lightonoff = zeros(length(ePhys),1);
for j = 1:length(tickTimes)
if tickTimes(j).m_Code1 == 1
windowStart = tickTimes(j).m_Time / 100;
% if the file ends with the light on, then use end of file
try
windowEnd = tickTimes(j+1).m_Time / 100;
catch
windowEnd = length(lightonoff);
end
oneVec = ones(windowEnd - windowStart, 1);
lightonoff(windowStart:windowEnd-1) = oneVec;
end
end
%% PLOT EACH WAVE
% how many sine waves can we use?
waveCount = floor((length(sineWave) - AstSamples) / WAVELENGTH);
currentLocation = AstSamples;
for i = 1:(waveCount - 1)
hold on
% get the proper ephys and sinewave slice
waveform = ePhys( currentLocation : ( currentLocation + WAVELENGTH ));
sineWaveSlice = sineWave( currentLocation : ( currentLocation + WAVELENGTH ));
sineTotal = sineTotal + sineWaveSlice;
% plot the slice
figure(1)
plot(sineWaveSlice, 'k')
% light on?
if lightonoff(currentLocation, 1) == 1
if lightonoff(currentLocation + WAVELENGTH, 1) == 1
onTotal = onTotal + waveform;
onCount = onCount + 1;
figure(2)
plot(waveform,'k')
else
badCount = badCount + 1;
end
% light off?
elseif lightonoff(currentLocation, 1) == 0
if lightonoff(currentLocation + WAVELENGTH, 1) == 0
offTotal = offTotal + waveform;
offCount = offCount + 1;
figure(3)
plot(waveform,'k')
else
badCount = badCount + 1;
end
end
currentLocation = currentLocation + WAVELENGTH + 1;
end
end
% Calculate means
onMean = onTotal ./ onCount;
offMean = offTotal ./ offCount;
figure(1)
title('All Sine Waves')
figure(3)
plot(offMean,'r')
title('All Light OFF Waveforms and Their Mean')
figure(2)
plot(onMean,'r')
title('All Light ON Waveforms and Their Mean')
figure(5)
plot(onMean)
title('Light ON Mean')
figure(6)
plot(offMean)
title('Light OFF Mean')
figure(7)
hold on
plot(offMean, 'r')
plot(onMean, 'b')
title('Light OFF Mean & Light ON Mean')
legend('Light OFF Mean', 'Light ON Mean')
fprintf('There were:\n%d bad waveforms\n%d good waveforms\n\n', badCount, (offCount + onCount))
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