New demos for signal processing functions

26 files changed, 98 insertions, 0 deletions

diff --git a/demos/ffilt.dem.sce b/demos/ffilt.dem.sce
new file mode 100644
index 0000000..0268041
--- /dev/null
+++ b/demos/ffilt.dem.sce
@@ -0,0 +1,16 @@
+// Copyright (C) 2017 - IIT Bombay - FOSSEE
+//This file must be used under the terms of the CeCILL.
+// This source file is licensed as described in the file COPYING, which
+// you should have received as part of this distribution.  The terms
+// are also available at
+// http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+// Author: Ankit Raj
+// Organization: FOSSEE, IIT Bombay
+// Email: toolbox@scilab.in
+//
+
+lines(0);
+
+global SCI2CHOME
+
+scilab2c(SCI2CHOME+"/tests/unit_tests/test_ffilt/scilabcode/main.sci",TMPDIR,SCI2CHOME+"/tests/unit_tests/test_ffilt/scilabcode");
diff --git a/demos/filt_sinc.dem.sce b/demos/filt_sinc.dem.sce
new file mode 100644
index 0000000..001ceb8
--- /dev/null
+++ b/demos/filt_sinc.dem.sce
@@ -0,0 +1,18 @@
+// Copyright (C) 2017 - IIT Bombay - FOSSEE
+//This file must be used under the terms of the CeCILL.
+// This source file is licensed as described in the file COPYING, which
+// you should have received as part of this distribution.  The terms
+// are also available at
+// http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+// Author: Ankit Raj
+// Organization: FOSSEE, IIT Bombay
+// Email: toolbox@scilab.in
+//
+
+
+
+lines(0);
+
+global SCI2CHOME
+
+scilab2c(SCI2CHOME+"/tests/unit_tests/test_filtsinc/scilabcode/filt_sinctest.sci",TMPDIR,SCI2CHOME+"/tests/unit_tests/test_filtsinc/scilabcode");
diff --git a/demos/fsfirlin.dem.sce b/demos/fsfirlin.dem.sce
new file mode 100644
index 0000000..278252a
--- /dev/null
+++ b/demos/fsfirlin.dem.sce
@@ -0,0 +1,16 @@
+// Copyright (C) 2017 - IIT Bombay - FOSSEE
+//This file must be used under the terms of the CeCILL.
+// This source file is licensed as described in the file COPYING, which
+// you should have received as part of this distribution.  The terms
+// are also available at
+// http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+// Author: Ankit Raj
+// Organization: FOSSEE, IIT Bombay
+// Email: toolbox@scilab.in
+//
+
+lines(0);
+
+global SCI2CHOME
+
+scilab2c(SCI2CHOME+"/tests/unit_tests/test_fsfirlin/scilabcode/main.sci",TMPDIR,SCI2CHOME+"/tests/unit_tests/test_fsfirlin/scilabcode");
diff --git a/demos/scilab2c.dem.gateway.sce b/demos/scilab2c.dem.gateway.sce
index b572166..bc158bf 100644
--- a/demos/scilab2c.dem.gateway.sce
+++ b/demos/scilab2c.dem.gateway.sce
@@ -39,6 +39,9 @@ subdemolist = ["Trigonometric Identity" , "TrigonometricIdentity.dem.sce";
 	       "Arduino analog output", "analog_out.dem.sce";
    	       "Arduino DC motor", "dc_motor.dem.sce";
 	       "Arduino Master write", "master_write.dem.sce";
+		"Ffilt coeff. of FIR low pass filter","ffilt.dem.sce";
+		"Design of FIR linear phase filters using freq. samping technique","fsfirlin.dem.sce";
+		"Samples of sinc function","filt_sinc.dem.sce";
               ];
 
 subdemolist(:,2) = demopath + subdemolist(:,2);
diff --git a/jar/scilab_en_US_help.jar b/jar/scilab_en_US_help.jar
index cb760b0..42fc9ad 100644
--- a/jar/scilab_en_US_help.jar
+++ b/jar/scilab_en_US_help.jar
diff --git a/macros/ASTManagement/lib b/macros/ASTManagement/lib
index e9d351a..5978ea7 100644
--- a/macros/ASTManagement/lib
+++ b/macros/ASTManagement/lib
diff --git a/macros/CCodeGeneration/lib b/macros/CCodeGeneration/lib
index f2696fe..3181979 100644
--- a/macros/CCodeGeneration/lib
+++ b/macros/CCodeGeneration/lib
diff --git a/macros/ErrorMessages/lib b/macros/ErrorMessages/lib
index 1500b1f..794d4c0 100644
--- a/macros/ErrorMessages/lib
+++ b/macros/ErrorMessages/lib
diff --git a/macros/FunctionAnnotation/lib b/macros/FunctionAnnotation/lib
index 5eb9bc2..bb1f47c 100644
--- a/macros/FunctionAnnotation/lib
+++ b/macros/FunctionAnnotation/lib
diff --git a/macros/FunctionList/lib b/macros/FunctionList/lib
index e101853..c3274f1 100644
--- a/macros/FunctionList/lib
+++ b/macros/FunctionList/lib
diff --git a/macros/GeneralFunctions/lib b/macros/GeneralFunctions/lib
index 846ca1b..1cf5c1f 100644
--- a/macros/GeneralFunctions/lib
+++ b/macros/GeneralFunctions/lib
diff --git a/macros/Hardware/AVR/lib b/macros/Hardware/AVR/lib
index 53e5659..069c520 100644
--- a/macros/Hardware/AVR/lib
+++ b/macros/Hardware/AVR/lib
diff --git a/macros/Hardware/RasberryPi/lib b/macros/Hardware/RasberryPi/lib
index dc759fe..4c85475 100644
--- a/macros/Hardware/RasberryPi/lib
+++ b/macros/Hardware/RasberryPi/lib
diff --git a/macros/ImageProcessing/core/lib b/macros/ImageProcessing/core/lib
index 7f003c8..d80305c 100644
--- a/macros/ImageProcessing/core/lib
+++ b/macros/ImageProcessing/core/lib
diff --git a/macros/ImageProcessing/highgui/lib b/macros/ImageProcessing/highgui/lib
index 787c25f..1e7f750 100644
--- a/macros/ImageProcessing/highgui/lib
+++ b/macros/ImageProcessing/highgui/lib
diff --git a/macros/ImageProcessing/imgproc/lib b/macros/ImageProcessing/imgproc/lib
index 93c8390..a83978b 100644
--- a/macros/ImageProcessing/imgproc/lib
+++ b/macros/ImageProcessing/imgproc/lib
diff --git a/macros/Scilab-Arduino/lib b/macros/Scilab-Arduino/lib
index 5b7beab..f3d5b2f 100644
--- a/macros/Scilab-Arduino/lib
+++ b/macros/Scilab-Arduino/lib
diff --git a/macros/SymbolTable/lib b/macros/SymbolTable/lib
index c42cf1a..e66158d 100644
--- a/macros/SymbolTable/lib
+++ b/macros/SymbolTable/lib
diff --git a/macros/ToolInitialization/lib b/macros/ToolInitialization/lib
index 267c9c9..685205d 100644
--- a/macros/ToolInitialization/lib
+++ b/macros/ToolInitialization/lib
diff --git a/macros/findDeps/lib b/macros/findDeps/lib
index 69c3c0e..68ea65d 100644
--- a/macros/findDeps/lib
+++ b/macros/findDeps/lib
diff --git a/macros/lib b/macros/lib
index f759663..9f13349 100644
--- a/macros/lib
+++ b/macros/lib
diff --git a/tests/unit_tests/test_ffilt/scilabcode/ffilttest.sci b/tests/unit_tests/test_ffilt/scilabcode/ffilttest.sci
new file mode 100644
index 0000000..fcf1732
--- /dev/null
+++ b/tests/unit_tests/test_ffilt/scilabcode/ffilttest.sci
@@ -0,0 +1,8 @@
+function ffilttest()
+    ft="sb";
+    ni=5;
+    fc=0.2;
+    fh=0.9;
+    xi=ffilt(ft,ni,fc,fh);
+    disp(xi);
+endfunction
diff --git a/tests/unit_tests/test_ffilt/scilabcode/main.sci b/tests/unit_tests/test_ffilt/scilabcode/main.sci
new file mode 100644
index 0000000..ced653a
--- /dev/null
+++ b/tests/unit_tests/test_ffilt/scilabcode/main.sci
@@ -0,0 +1,12 @@
+// The main function test the ffilt function
+// ffilt->returns the coefficients of FIR low pass filter
+function main()
+	ft="sb";    //ft is the type of filter
+        ni=5;       //ni is the number of filters sample required
+        fc=0.2;     //low frequency cutoff
+        fh=0.9;     //high cutoff frequency
+        xi=ffilt(ft,ni,fc,fh);
+        disp(xi);
+endfunction
+//output
+// 0.2449143    0.4898285  - 0.4    0.4898285    0.2449143  
diff --git a/tests/unit_tests/test_filtsinc/scilabcode/filt_sinctest.sci b/tests/unit_tests/test_filtsinc/scilabcode/filt_sinctest.sci
new file mode 100644
index 0000000..ab674b6
--- /dev/null
+++ b/tests/unit_tests/test_filtsinc/scilabcode/filt_sinctest.sci
@@ -0,0 +1,10 @@
+//This is the demo for filt_sinc function
+//This function gives the samples of the sinc fuction
+function filt_sinctest()
+    ni=int(10);  //This is the number of samples
+    fc=2;        //This is the cut-off freq. of the assosciated low pass filter
+    sd=filt_sinc(ni,fc);
+    disp(sd);
+endfunction
+//output
+//
diff --git a/tests/unit_tests/test_fsfirlin/scilabcode/fsfirlintest.sci b/tests/unit_tests/test_fsfirlin/scilabcode/fsfirlintest.sci
new file mode 100644
index 0000000..4ecec4e
--- /dev/null
+++ b/tests/unit_tests/test_fsfirlin/scilabcode/fsfirlintest.sci
@@ -0,0 +1,6 @@
+function fsfirlintest()
+    in=[1 2 3 4 5 6 7 8];
+    flg=2;
+    op=fsfirlin(in,flg);
+    disp(op);
+endfunction
diff --git a/tests/unit_tests/test_fsfirlin/scilabcode/main.sci b/tests/unit_tests/test_fsfirlin/scilabcode/main.sci
new file mode 100644
index 0000000..a3acc51
--- /dev/null
+++ b/tests/unit_tests/test_fsfirlin/scilabcode/main.sci
@@ -0,0 +1,9 @@
+//This is the demo file to test the function fsfirlin
+//The function gives design of FIR,linear phase filters using frequency sampling technique
+function main()
+	in=[1 2 3 4 5 6 7 8];   //This is the vector of desired frequency responses samples
+        flg=2;                 //flg=2 for type-2 filter , it can be 1 for type-1 filter
+        op=fsfirlin(in,flg);
+        disp(op);
+endfunction
+//output