Ashwin Athani
mX mbed BaseBoard buzzer
Revision 0:c25709d578e5, committed 2010-12-08
- Comitter:
- ashwin_athani
- Date:
- Wed Dec 08 06:22:00 2010 +0000
- Commit message:
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Dec 08 06:22:00 2010 +0000
@@ -0,0 +1,16 @@
+#include "mbed.h"
+
+PwmOut buzzer(p24);
+
+int main()
+{
+ buzzer.period(0.020); // a 20ms period
+ while (1)
+ {
+ for(float offset=0.0; offset<0.001; offset+=0.0001)
+ {
+ buzzer.pulsewidth(0.001 + offset); // a pulsewidth between 1-2ms
+ wait(0.25);
+ }
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Dec 08 06:22:00 2010 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/e2ac27c8e93e