LED-Anzahl, Farbkanal-Zurordnung, Timing, Schnittstelle eingestellt

run.sh

@@ -7,5 +7,5 @@ mkfifo image_fifo
 sleep 10000000 >image_fifo &
 
 # start the sender
-cat image_fifo | ./sender >/dev/ttyACM3
+cat image_fifo | ./sender >/dev/ttyACM0
 

sender.c

@@ -3,7 +3,7 @@
 #include <unistd.h>
 #include <string.h> 
 
-#define WIDTH 500
+#define WIDTH 1024
 #define HEIGHT 8
 
 int image[WIDTH*HEIGHT];
@@ -64,7 +64,8 @@ int fade(int b, int a, int t)
   int gc=(ga*t+gb*(255-t))/256;
   int bc=(ba*t+bb*(255-t))/256;
 
-  return (rc<<0)+(gc<<8)+(bc<<16);
+
+  return (bc<<0)+(rc<<8)+(gc<<16);
 }
 
 int main() {
@@ -88,7 +89,7 @@ int main() {
 
       fprintf(stderr,"Sender output written: %i \n", written);
 
-      usleep(2000L);
+      usleep(3000L);
    }
 
    memcpy(image_old,image_new,sizeof(image_old));