% Create scrip that convert float numbers to hexidecimal.
% This file is useful for example if we need to load *.dat file to Code
% Composer Studio. But this dat-file can understand only hexidecimal format
% of number types such as int, long, float.

% For start to work You must to set the input/output file name and path
%and data type working with
filename = 'dspInputSamples.dat';
outFileName = 'dspInputSamplesHEX.dat';
dataType = 'single';   %data of this type we read from input file with
                       % "filename" name

%descriptor of the file that must be opened
%fid = fopen('my_file.dat', 'wb');     % открытие файла на запись
inputFID = fopen( filename, 'rb');
if inputFID == -1
    error('input File is not opened');
end

%descriptor of teh output file
outputFID = fopen(outFileName, 'wb+');
if outputFID == -1
    error('output File is not opend');
end

%initialize the 1-D row vector. In this value we will save unput data
rowVec = 0;

%READ FROM FILE
%samplesCnt - the number of elements read
[rowVec, samplesCnt ] = fscanf( inputFID, '%f', inf );

%preallocate 1D column vector
rowVecHEX = zeros( 1, samplesCnt, dataType);

%CONVERTION
rowVecHEX = num2hex( single( rowVec ) );

%WRITE TO FILE
%fprintf( outputFID, '%.9f\r\n', rowVec );
fprintf( outputFID, '%s\r\n', rowVecHEX );
%save( outFileName, rowVecHEX);

%display the row vector
disp( rowVecHEX );
fclose( inputFID );
fclose( outputFID );

% Create scrip that convert float numbers to hexidecimal.
% This file is useful for example if we need to load *.dat file to Code
% Composer Studio. But this dat-file can understand only hexidecimal format
% of number types such as int, long, float.

% For start to work You must to set the input/output file name and path
%and data type working with
filename = 'dspInputSamples.dat';
outFileName = 'dspInputSamplesHEX.dat';
dataType = 'single';   %data of this type we read from input file with
                       % "filename" name

%descriptor of the file that must be opened
%fid = fopen('my_file.dat', 'wb');     % открытие файла на запись
inputFID = fopen( filename, 'rb');
if inputFID == -1
    error('input File is not opened');
end

%descriptor of teh output file
outputFID = fopen(outFileName, 'wt');
if outputFID == -1
    error('output File is not opend');
end

%initialize the 1-D row vector. In this value we will save unput data
rowVec = 0;

%READ FROM FILE
%samplesCnt - the number of elements read
[rowVec, samplesCnt ] = fscanf( inputFID, '%f', inf );

%preallocate 1D column vector
rowVecHEX = zeros( 1, samplesCnt, dataType);

%CONVERTION
rowVecHEX = num2hex( single( rowVec ) );

%WRITE TO FILE
%fprintf( outputFID, '%.9f\n', rowVec );
fprintf( outputFID, '0x%c%c%c%c%c%c%c%c\n', rowVecHEX' );

%display the row vector
disp( rowVecHEX );

fclose( inputFID );
fclose( outputFID );