Revision 1:fbc57eb4e61d, committed 2013-05-05

Comitter:

KarimAzzouz

Date:

Sun May 05 13:31:02 2013 +0000

Parent:

0:c1b48befe066

Commit message:

initial commit

Changed in this revision

--- a/MAF.cpp	Wed Dec 26 10:44:34 2012 +0000
+++ b/MAF.cpp	Sun May 05 13:31:02 2013 +0000
@@ -1,20 +1,59 @@
-#include "MAF.h"
-
-   MAF::MAF(){
-   _result = 0;
-   _k[0]=0 ;
-   _k[1]=0 ;
-   _k[2]=0 ;
-   _k[3]=0 ;
-   }
-   
-   float MAF::update(float data){
-   
-    _k[0] = data;
-    _result = _k[0]*0.25 + _k[1]*0.25 + _k[2]*0.25 + _k[3]*0.25;
-    _k[3] = _k[2];
-    _k[2] = _k[1];
-    _k[1] = _k[0];
-   
-   return _result;
+/* Copyright (c) <2012> MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
+ * and associated documentation files (the "Software"), to deal in the Software without restriction, 
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or 
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * @section DESCRIPTION
+ *
+ * 10-Point Moving Average Filter
+ */
+ 
+#include "MAF.h"
+
+   MAF::MAF(){}
+   
+   float MAF::update(float data){
+   
+    _k[0] = data;
+    _result = _k[0]*0.1 + _k[1]*0.1 + _k[2]*0.1 + _k[3]*0.1 + _k[4]*0.1 + _k[5]*0.1 + _k[6]*0.1 + _k[7]*0.1 + _k[8]*0.1 + _k[9]*0.1 ;
+    _k[9] = _k[8];
+    _k[8] = _k[7];
+    _k[7] = _k[6];
+    _k[6] = _k[5];
+    _k[5] = _k[4];
+    _k[4] = _k[3];
+    _k[3] = _k[2];
+    _k[2] = _k[1];
+    _k[1] = _k[0];
+   
+   return _result;
+   }
+   
+   int MAF::updateInt(int data){
+   
+    _a[0] = data;
+    _result = _a[0]*0.1 + _a[1]*0.1 + _a[2]*0.1 + _a[3]*0.1 + _a[4]*0.1 + _a[5]*0.1 + _a[6]*0.1 + _a[7]*0.1 + _a[8]*0.1 + _a[9]*0.1 ;
+    _a[9] = _a[8];
+    _a[8] = _a[7];
+    _a[7] = _a[6];
+    _a[6] = _a[5];
+    _a[5] = _a[4];
+    _a[4] = _a[3];
+    _a[3] = _a[2];
+    _a[2] = _a[1];
+    _a[1] = _a[0];
+   
+   return _resultInt;
    }
\ No newline at end of file

--- a/MAF.h	Wed Dec 26 10:44:34 2012 +0000
+++ b/MAF.h	Sun May 05 13:31:02 2013 +0000
@@ -1,17 +1,85 @@
+/* Copyright (c) <2012> MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
+ * and associated documentation files (the "Software"), to deal in the Software without restriction, 
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or 
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * @section DESCRIPTION
+ *
+ * Moving Average Filter
+ *
+ *
+ */
+ 
 #ifndef MAF_H
 #define MAF_H
 
 #include "mbed.h"
 
+/** 10-Point Moving Average filter
+ *
+ * Example:
+ * @code
+ * // Update the filter with gyroscope readings
+ * #include "mbed.h"
+ * #include "ITG3200.h"
+ * #include "MAF.h"
+ * 
+ * Serial pc(USBTX, USBRX);
+ * ITG3200 gyro(p9, p10);
+ * MAF Filter();
+ * int Average;
+ * 
+ * int main() {
+ *    
+ *    gyro.setLpBandwidth(LPFBW_42HZ);
+ *
+ *     while(1){
+ *   
+ *      Average = Filter.updateInt(gyro.getGyroX());
+ *      pc.printf("%i\n",Average);
+ *      wait_ms(50);
+ * }    
+ * }
+ * @endcode
+ */
 class MAF {
 
     public:
+    
+       /* Creates a 10-Point Moving Average Filter object
+       *
+       */   
         MAF(void);
-       float update(float data);
+        
+        /* Updates the filter
+        *  @param data new data input for the filter,returns the float average
+        */
+        float update(float data);
+        
+        /* Updates the filter
+        *  @param data new data input for the filter, returns the integer average
+        */
+        int updateInt(int data);
     
     private :
-        float _k[4];
+    
+        float _k[10];
+        int   _a[10];
+        
         float _result;
+        int   _resultInt;
 };
 
 #endif 
\ No newline at end of file