File content as of revision 0:08d7440bdf68:

// #################### DAC F302 #################### 

#include "mbed.h"

AnalogIn Ain(A0); // Entrada sinal de áudio

AnalogOut Aout(A2); // Reconstrução -sinal de áudio

Ticker snyq_tick;


void snyq_task(void);


float data_in, data_out;

int main()
{
    snyq_tick.attach_us(&snyq_task,25); // tempo de amostragem do sinal 1/25us
}
// Funcção Amostragem do Sinal - DAC
void snyq_task(void)
{
    data_in=Ain;
    data_out=data_in;
    Aout=data_out;
    
}

//float LPF(float LPF_in)
//{
//float a[4]= {1,2,1};

//float b[4]= {1,2,1};
//static float LPF_out;
//static float x[4], y[4];
//x[3] = x[2];
//x[2] = x[1];
//x[1] = x[0]; // move x values by one sample
//y[3] = y[2];
//y[2] = y[1];
//y[1] = y[0]; // move y values by one sample
// x[0] = LPF_in; // new value for x[0]
// y[0] = (b[0]*x[0]) + (b[1]*x[1]) + (b[2]*x[2]) + (b[3]*x[3]) + (a[1]*y[1]) + (a[2]*y[2]) + (a[3]*y[3]);

//LPF_out = y[0];
//return LPF_out; // output filtered value
//}