Demonstration solution of the switch-problem using interrupts

Fork of Task330_ISR by University of Plymouth - Stages 1, 2 and 3

Revision:
2:88f3c172e566
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed_app.json	Wed Sep 18 10:52:31 2019 +0000
@@ -0,0 +1,3 @@
+{
+    "requires": ["bare-metal"]
+}
\ No newline at end of file