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Dependencies:   mbed

main.cpp

Committer:
elenaramirezperez1
Date:
2019-10-15
Revision:
0:2b6bac81f08c

File content as of revision 0:2b6bac81f08c:

#include "mbed.h"
#include "datos.h"
#include "math.h"

Timer timer;
float resultado;
int tiempo;

float calcularRMS(int16_t *datos, int longitud);


int main()
{
 
    timer.reset();
    timer.start();
    resultado=calcularRMS(datos, 500);
    timer.stop();
    printf("****El valor Vrms es %f calculado en %d us ****\n",resultado,timer.read_us());

}

float calcularRMS(int16_t *datos, int longitud)
{
    int64_t sumatorio=0;
    for (int i=0; i< longitud;i++)
    {
        sumatorio =+ datos[i]*datos[i];
        }
    
    float cte = 0.0001007080078125;
    int resultado = cte * sqrt((float)sumatorio/longitud);
    return resultado;
}