for DigitalOut toggling, Class "ticker" used.

Revision:
0:d4dad8ffa192
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ToggleDigitalOut.cpp	Wed May 15 14:59:36 2013 +0000
@@ -0,0 +1,24 @@
+#include "mbed.h"
+#include "ToggleDigitalOut.h"
+
+ToggleDigitalOut :: ToggleDigitalOut(PinName pin) : DigitalOut(pin){
+    ticker = 0;
+}
+ToggleDigitalOut :: ~ToggleDigitalOut(){
+    stopToggling();
+}
+void ToggleDigitalOut :: toggle(void){
+    write(!read());
+}
+void ToggleDigitalOut :: toggling(float span){
+    stopToggling();
+    ticker = new Ticker();
+    ticker->attach(this,&ToggleDigitalOut::toggle,span);
+}
+void ToggleDigitalOut :: stopToggling(void){
+    if(ticker){
+        ticker->detach();
+        delete ticker;
+    }
+    ticker = 0;
+}