advanced "hello, world"

Dependencies:   mbed

Revision:
0:c32ee89676db
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Jan 20 06:50:10 2015 +0000
@@ -0,0 +1,26 @@
+#include "mbed.h"
+
+DigitalOut myled1(LED1);
+DigitalOut myled2(LED2);
+DigitalOut myled3(LED3);
+DigitalOut myled4(LED4);
+
+unsigned int mask = 0x1;
+
+int main() {
+    wait(0.8);
+    
+    while(1) {    
+        myled1 = mask & 0x1;
+        myled2 = mask & 0x2;
+        myled3 = mask & 0x4;
+        myled4 = mask & 0x8;
+        
+        wait(0.2);
+        
+        mask = mask << 1;
+        
+        if (mask & 0x10) 
+            mask = 0x1;
+    }
+}