Diff: beep.c

Revision:

4:d8e14429a95f

Parent:

3:5a8242af60ba

--- a/beep.c	Wed Feb 02 22:38:30 2011 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,56 +0,0 @@
-#include "beep.h"
-#include "mbed.h"
-
-/** class to make sound with a buzzer, based on a PwmOut
- *   The class use a timeout to switch off the sound  - it is not blocking while making noise
- *
- * Example:
- * @code
- * // Beep with 1Khz for 0.5 seconds
- * #include "mbed.h"
- * #include "beep.h"
- * 
- * Beep buzzer(p21);
- * 
- * int main() {
- *       ...
- *   buzzer.beep(1000,0.5);    
- *       ...
- * }
- * @endcode
- */
-
-using namespace mbed;
- // constructor
- /** Create a Beep object connected to the specified PwmOut pin
-  *
-  * @param pin PwmOut pin to connect to 
-  */
-    
-Beep::Beep(PinName pin) : _pwm(pin) {
-    _pwm.write(0.0);     // after creating it have to be off
-}
-
- /** stop the beep instantaneous 
-  * usually not used 
-  */
-void Beep::nobeep() {
-    _pwm.write(0.0);
-}
-
-/** Beep with given frequency and duration.
- *
- * @param frequency - the frequency of the tone in Hz
- * @param time - the duration of the tone in seconds
- */
-     
-void Beep::beep(float freq, float time) {
-
-    _pwm.period(1.0/freq);
-    _pwm.write(0.5);            // 50% duty cycle - beep on
-    toff.attach(this,&Beep::nobeep, time);   // time to off
-}
-
-
-
-