Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Fork of 06_frdm_serial by
Revision 1:f72c50b1b93d, committed 2018-04-19
- Comitter:
- ashutoshns
- Date:
- Thu Apr 19 11:55:29 2018 +0000
- Parent:
- 0:e4d31a61ad72
- Commit message:
- Image transactions using serial;
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- 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
--- a/mbed.bld Mon Nov 23 12:18:36 2015 +0000 +++ b/mbed.bld Thu Apr 19 11:55:29 2018 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/9296ab0bfc11 \ No newline at end of file +http://mbed.org/users/mbed_official/code/mbed/builds/994bdf8177cb \ No newline at end of file
