Update cubesatsim.ino

cubesatsim/cubesatsim.ino

@@ -2391,14 +2391,23 @@ void loop1() {
       process_pushbutton();
 }	    
 
-void sleep(float time) {
+/*
+void sleep(float time) {  // sleeps for intervals more than 0.1 seconds
 
   unsigned long time_ms = (unsigned long)(time * 1000.0);	
   unsigned long startSleep = millis();	    
-  while ((millis() - startSleep) < time_ms)  {
-	  
-    delay(100);	
-	 
+  while ((millis() - startSleep) < time_ms)  {	  
+    delay(100);		 
+  }
+}
+*/
+
+void sleep(float time) {  // sleeps for intervals more than 0.01 milli seconds
+
+  unsigned long time_us = (unsigned long)(time * 1000000.0);	
+  unsigned long startSleep = micros();	    
+  while ((micros() - startSleep) < time_us)  {	  
+    busy_wait_us(10);	 
   }
 }