APP_Framework/Framework/:complete sliding window mean_filter

APP_Framework/Framework/knowing/filter/mean_filter/sliding_window_mean_filter.c

@@ -1 +1,26 @@
 #include <sliding_window_mean_filter.h>
+void SlidingWindowsMeanFliterInit(SlidingWindowsHander * hander,unsigned int window_len)
+{
+    hander->window_len = window_len;
+    hander->sumlast = 0;
+    InitQueue(&(hander->window_queue));
+}
+
+int SlidingWindowsMeanFliterFun(SlidingWindowsHander * hander,int newvalue)
+{
+    int headtemf = 0;
+    if(QueueLength(&(hander->window_queue)) < hander->window_len)
+    {
+        EnQueue(&(hander->window_queue),newvalue);
+        hander->sumlast = hander->sumlast + newvalue;
+        return (int)((hander->sumlast)/(QueueLength(&(hander->window_queue))));
+    }
+    else
+    {
+        DeQueue(&(hander->window_queue),&headtemf);
+        hander->sumlast = hander->sumlast - headtemf +  newvalue;
+        EnQueue(&(hander->window_queue),newvalue);
+        return (int)((hander->sumlast)/(hander->window_len));
+    }
+
+}

APP_Framework/Framework/knowing/filter/mean_filter/sliding_window_mean_filter.h

@@ -2,4 +2,14 @@
 #define _SLIDING_WINDOW_MEAN_FILTER_H
 #include <queue.h>
 
+typedef struct 
+{
+    SqQueue window_queue;
+    unsigned int window_len; //the window_len value must less than MAXSIZE 1024 
+    long long int sumlast;
+}SlidingWindowsHander;      
+
+
+void SlidingWindowsMeanFliterInit(SlidingWindowsHander * hander,unsigned int window_len);
+int SlidingWindowsMeanFliterFun(SlidingWindowsHander * hander,int newvalue);
 #endif