Diff: main.cpp

Revision:

0:6e25e921deef

Child:

1:d8aefd9790ea

diff -r 000000000000 -r 6e25e921deef main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Mar 02 20:30:43 2016 +0000
@@ -0,0 +1,37 @@
+
+/*
+ * The simplest program, read an input on pin PB_4
+ */
+ 
+#include "mbed.h"
+#include "Hotboards_switches.h"
+
+// Creates a single sw object, this interrupt will give us a LOW(0) value when close
+// because our dip switch works with pull-ups
+Hotboards_switches sw( PB_4 );
+// If your dip switch will gave you a HIGH(1) value when close, then we need to create
+// the sw object with an extra parameter: Hotboards_switches sw( PB_4 , 1 );
+// In any case the function will return a HIGH(1) value any time the sw is closed
+
+//For this example we will use the USB serial port, here we initialize it
+Serial pc(USBTX,USBRX);
+
+int main()
+{
+    while(1)
+    {
+        // When the interrupt is close (or ON) the function will return a true value
+        // it doesn´t matter if our input is configured with pull-ups(LOW) or
+        // pull-downs(HIGH)
+        if( sw.read() )
+        {
+            pc.printf( "sw = close (on)\n\r" );
+        }
+        else
+        {
+            pc.printf( "sw = open (off)\n\r" );
+        }
+        // Wait 1 second, just to not query so often
+        wait( 1 );
+    }
+}