Steven Clark / NucleoDACSawtoothMBDev

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Dependencies:   mbed-dev

Fork of NucleoDACSawtooth by Steven Clark

main.cpp

Committer:
davolfman
Date:
2017-11-02
Revision:
1:330fb9932926
Parent:
0:36e3fe60f8d1

File content as of revision 1:330fb9932926:

#include "mbed.h"

AnalogIn volumeKnob(PA_0);
AnalogIn frequencyKnob(PA_1);
AnalogOut speakerAmp(PA_4);


/*----------------------------------------------------------------------------
 MAIN function
 *----------------------------------------------------------------------------*/



int main(){
    double phase;
    double d_phase;
        double phase_remainder = 0;
        //speakerAmp.period_us(4.0);
    while(true){
        d_phase = ((double)frequencyKnob * (double)frequencyKnob * (8000-320) + 320) * 0.000004;
        for(phase = phase_remainder; phase < 1; phase+= d_phase){
                        speakerAmp = volumeKnob * phase;
                        wait_us(4.0);
        }
        phase_remainder = phase - 1.0;
    }
    
}