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Copy pathDT_signal2Segments.m
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DT_signal2Segments.m
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clear
clc
disp('\n*****Starting!*****');
%% Specifying the Parent Folder and Initialize variables
% From the GoogleDrive folder in D-drive
TDMSFolder = strcat('D:\GDrive\DT_Data\DAQ_Auto');
CSVFolder = strcat('D:\GDrive\DT_Data\DAQ_Auto_TDMStoCSV');
totalCSVFolders=dir(strcat(CSVFolder,'\UM3*100p'));
destinationFolder =strcat('D:\GDrive\DT_Data\DAQ_Auto_SegmentedData');
daqmetadataCheckFile='\segments_Floor\segment_0.csv';
%These are the names of the segment files where timing information about
%the segments are stored
segmentFolderNames={'segments_Floor';'segments_Wall';...
'segments_LengthFloor';'segments_BreadthFloor';...
'segments_LengthWall';'segments_BreadthWall'};
segmentsFolderPath=cell(6);
%Names of the channels in
channelNames={'Channel_1_Mic_1';'Channel_2_Mic_2';'Channel_3_Mic_3';...
'Channel_4_Mic_4';'Channel_5_Current';'Channel_6_Vib_x2';...
'Channel_7_Vib_y2';'Channel_8_Vib_z2';'Channel_9_Vib_x1';...
'Channel_10_Vib_y1';'Channel_11_Vib_z1';...
'Channel_12_Vib_x0';...
'Channel_13_Vib_y0';'Channel_14_Vib_z0';...
'Channel_15_Temperature';'Channel_16_Humidity';...
'Channel_17_Mag_x0';'Channel_18_Mag_y0';...
'Channel_19_Mag_z0';'Channel_20_Mag_x1';...
'Channel_21_Mag_y1';'Channel_22_Mag_z1';...
'Channel_23_Mag_x2';'Channel_24_Mag_y2';...
'Channel_25_Mag_z2' };
%DaQ sampling rate is 20 kHz
daqSamplingRate=20e3;
%%
for objects_i=1:size(totalCSVFolders,1)
%%
folderName=totalCSVFolders(objects_i);
fprintf('\nFolder Name: %s',folderName.name);
%pathToSegmentFolders
for segments_i=1:size(segmentFolderNames,1)
segmentsFolderPath{segments_i}=strcat(CSVFolder,'\',...
folderName.name,'\',...
segmentFolderNames{...
segments_i});
% fprintf('\nSegment Folder Name: %s',segmentsFolderPath{...
% segments_i});
segTime(segments_i).name=segmentFolderNames{...
segments_i};
totalSegments=dir(strcat(segmentsFolderPath{segments_i},...
'\segment*.csv'));
% fprintf('\nTotal Segments: %d',size(totalSegments,1));
segTime(segments_i).subSegmentsNumber=size(totalSegments,1);
for subsegments_i=1:size(totalSegments,1)
temp1.segmentName=...
totalSegments(subsegments_i).name;
timeValues=csvread(strcat(segmentsFolderPath{segments_i},'\',...
totalSegments(subsegments_i).name),1,0);
temp1.startTime=timeValues(:,1)*60*60+ timeValues(:,2)*60 + timeValues(:,3)+timeValues(:,4)*1e-6;
temp1.stopTime=timeValues(:,5)*60*60+ timeValues(:,6)*60 + timeValues(:,7)+timeValues(:,8)*1e-6;
temp2(subsegments_i)=temp1;
end
segTime(segments_i).subSegments=temp2;
end
%%
%count the total number of data folders segmented in DaQ
totalCSVDataFolders=dir(strcat(CSVFolder,'\',...
folderName.name,'\data*'));
synchFileName=strcat(CSVFolder,'\',folderName.name,daqmetadataCheckFile);
synchDaQFileName=strcat(CSVFolder,'\',folderName.name,'\data_1\timingMetaData.csv');
synchFileRealTime=csvread(synchFileName,1,0,[1,0,1,0]);
synchFileDaQTime=csvread(synchDaQFileName,1,0,[1,0,1,0]);
hourOffset=synchFileRealTime-synchFileDaQTime;
%%
%for each data Folder read the corresponding Channels
for dataFolder_i=1:size(totalCSVDataFolders,1)
dataFolderName=totalCSVDataFolders(dataFolder_i);
dataFolderPath=strcat(CSVFolder,'\',folderName.name,...
'\',dataFolderName.name);
fprintf('\nData Folder Name: %s',dataFolderName.name);
%%
%Read the timingMetaData.csv for each of the data file
metaDataFileName=strcat(CSVFolder,'\',folderName.name,...
'\',dataFolderName.name,...
'\timingMetaData.csv');
% fprintf('\nTiming MetaData: %s',metaDataFileName);
%%
daqStartTime= csvread(metaDataFileName,1,0,[1,0,1,3]);
daqStartTime(1)=daqStartTime(1)+hourOffset;
if (daqStartTime(1)>23)
daqStartTime(1)=mod(daqStartTime(1),24);
end
if (daqStartTime(1)<0)
daqStartTime(1)=daqStartTime(1)+24;
end
% fprintf('\nChanged DaQ: %d',daqStartTime(1))
%%
%Read the corresponding channelFiles and start extracting features
%from them!
for channel_i=1:size(channelNames,1)
channelFileName= strcat(CSVFolder,'\',...
folderName.name,'\',...
dataFolderName.name,'\',...
channelNames{channel_i},'.csv');
fprintf('\nChannel Name: %s',channelNames{channel_i});
data=csvread(channelFileName);
timeTracker=zeros(size(data,1),1);
parfor data_i=1:size(data,1)
timeTracker(data_i)=daqStartTime(1)*60*60+daqStartTime(2)*60+daqStartTime(3)+daqStartTime(4)*1e-6 +(data_i-1)*1/daqSamplingRate;
end
%seTime Data Structure Inormation
%segTime(i).name
%segTime(i).subSegmentsNumber
%segTime(i).subSegments(i).segmentName
%segTime(i).subSegments(i).startTime(i)
%segTime(i).subSegments(i).stopTime(i)
%values are startime hour
%minute second and microsecond and stoptime hour minute second and
%microsecond
for seg_i=1:size(segTime,2)
fprintf('\nSegment Name: %s',segTime(seg_i).name);
for segNumber_i=1:segTime(seg_i).subSegmentsNumber
% fprintf('\nSegment Number: %d',segNumber_i);
index=[];
parfor times_i=1:size(segTime(seg_i).subSegments(segNumber_i).startTime,1)
startTime= segTime(seg_i).subSegments(segNumber_i).startTime(times_i);
stopTime =segTime(seg_i).subSegments(segNumber_i).stopTime(times_i);
indexTemp=find(timeTracker>= startTime & timeTracker<= stopTime);
index=[index; indexTemp];
end
dataTemp=data(index);
if isempty(dataTemp)
continue;
end
if (exist(destinationFolder,'dir')==0)
mkdir (destinationFolder);
end
if (exist(strcat(destinationFolder,'\',folderName.name),'dir')==0)
mkdir (strcat(destinationFolder,'\',folderName.name));
end
if (exist(strcat(destinationFolder,'\',folderName.name,'\',channelNames{channel_i}),'dir')==0)
mkdir (strcat(destinationFolder,'\',folderName.name,'\',channelNames{channel_i}));
end
if (exist(strcat(destinationFolder,'\',folderName.name,'\',channelNames{channel_i},'\',segTime(seg_i).name),'dir')==0)
mkdir (strcat(destinationFolder,'\',folderName.name,'\',channelNames{channel_i},'\',segTime(seg_i).name));
end
filenameCSV=strcat(destinationFolder,'\',folderName.name,'\',channelNames{channel_i},'\',segTime(seg_i).name,'\',segTime(seg_i).subSegments(segNumber_i).segmentName);
dlmwrite(filenameCSV,dataTemp,'-append','delimiter','');
end
end
end
end
end