reading an interrupt
Dependencies: Hotboards_switches mbed
Revision 0:6e25e921deef, committed 2016-03-02
- Comitter:
- RomanValenciaP
- Date:
- Wed Mar 02 20:30:43 2016 +0000
- Child:
- 1:ce1c787ed6fd
- Commit message:
- first release - recquires approval
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Hotboards_switches.lib Wed Mar 02 20:30:43 2016 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/Hotboards/code/Hotboards_switches/#dfb1302f847d
--- /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 );
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Mar 02 20:30:43 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/252557024ec3 \ No newline at end of file
Roman Valencia