Use the button on Nucleo board in Interrupt mode

Dependencies:   mbed

Revision:
0:1b77c1ffae11
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Dec 28 23:04:25 2015 +0000
@@ -0,0 +1,29 @@
+#include "mbed.h"
+
+DigitalOut myled(LED1);
+InterruptIn mybutton(USER_BUTTON);
+
+float delay = 1.0; // 1 sec
+
+void pressed()
+{
+  if (delay == 1.0)
+  {
+    delay = 0.2; // 200 ms
+  }
+  else
+  {
+    delay = 1.0; // 1 sec
+  }
+}
+
+int main() 
+{
+  mybutton.fall(&pressed);
+    
+  while (1) 
+  {
+    myled = !myled;
+    wait(delay);
+  }
+}