Diff: main.cpp

Revision:

1:f72c50b1b93d

Parent:

0:e4d31a61ad72

--- a/main.cpp	Mon Nov 23 12:18:36 2015 +0000
+++ b/main.cpp	Thu Apr 19 11:55:29 2018 +0000
@@ -8,11 +8,48 @@
 
 Serial pc(USBTX,USBRX);     //UART0 via OpenSDA
 
+
+
+int ** sobel(int **c,int h,int w)
+{   
+    int **image = (int**)malloc(sizeof(int*)*(h-2));
+    for( int i=0;i<h;i++)
+    {
+        image[i]=(int*)malloc(sizeof(int)*(w-2));
+    }
+
+    int x[3][3]={{1,0,-1},{2,0,-2},{1,0,-1}};
+    int y[3][3]={{1,2,1},{0,0,0},{-1,-2,-1}};
+
+    for (int i=1;i<h-1;++i){
+        for (int j=1; j<w-1; ++j){
+            for(int k=0;k<3;++k){
+                for(int l=0;l<3;++l){
+                    image[i-1][j-1] += x[k][l]*c[i-1+k][j-1+l];
+                }
+                image[i-1][j-1]=abs(image[i-1][j-1])/8;
+            }
+        }
+    }
+    return image;
+}
+
 int main()
 {
-    pc.printf("\r\nWelcome to FRDM-KL25Z board!\r\n");
-    while(1) {
-        char c = pc.getc(); //Read one character
-        pc.printf("received char: %c = %d\r\n",c,c);
+int width = 64; int height = 64;
+int **image = (int**)malloc(sizeof(int*)*height);
+    for( int i=0;i<height;i++)
+    {
+        image[i]=(int*)malloc(sizeof(int)*width);
     }
+
+/*Write headers*/
+int i;
+for(i=0;i<4096;i++){
+    image[i/64][i%64]= pc.getc();
+    }
+
+int **c1= sobel(c,height,width);
+          
 }
+    
\ No newline at end of file