Chase Farmer / beep

Make noise with a piezo buzzer. Use a pwm pin.

Dependents:   GliderFuncTest1 DropTest

Fork of beep by Peter Drescher

beep.h@0:18e4a9c978ec, 2011-02-01 (annotated)

Committer:
dreschpe
Date:
Tue Feb 01 18:44:45 2011 +0000
Revision:
0:18e4a9c978ec
Child:
1:ddccf0a4a414

        

        
Who changed what in which revision?

        

            
                
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#ifndef MBED_BEEP_H





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#define MBED_BEEP_H





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#include "mbed.h"





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namespace mbed {





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/* Class: Beep





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 *  A class witch uses pwm to controle a beeper to generate sounds.





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 */





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class Beep {





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public:





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    /* Constructor: Beep





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     *  Creates a new beeper object.





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     *





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     * Variables:





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     *  pin - The pin which is connected to the beeper.





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     */





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    Beep (PinName pin);





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    /* Function: beep





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     *  Beep with given frequency and duration.





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     *





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     * Variables:





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     *  frequency - The frequency to use.





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     *  time - The turation to beep.





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     */





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    void beep (float frequency, float time);





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    void nobeep();





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private :





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    PwmOut _pwm;





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    Timeout toff;





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};





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}





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#endif