Alexandre Pirotte / Mbed 2 deprecated Nucleo_filtrage

LUIS

Dependencies:   mbed

main.cpp@0:7a912bfb5a4e, 2018-10-05 (annotated)

Committer:
pirottealex
Date:
Fri Oct 05 14:54:02 2018 +0000
Revision:
0:7a912bfb5a4e
a

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pirottealex 0:7a912bfb5a4e 1 #include "mbed.h"
pirottealex 0:7a912bfb5a4e 2 #include "digital_filter.h"
pirottealex 0:7a912bfb5a4e 3
pirottealex 0:7a912bfb5a4e 4
pirottealex 0:7a912bfb5a4e 5 Serial pc(USBTX,USBRX);
pirottealex 0:7a912bfb5a4e 6
pirottealex 0:7a912bfb5a4e 7 int main()
pirottealex 0:7a912bfb5a4e 8 {
pirottealex 0:7a912bfb5a4e 9 pc.baud(460800);
pirottealex 0:7a912bfb5a4e 10
pirottealex 0:7a912bfb5a4e 11 double coef_b[4] = {0.0408, 0.1224, 0.1224, 0.0408}; // Les 4 coefficients ai
pirottealex 0:7a912bfb5a4e 12 double coef_a[3] = {-1.2978, 0.7875, -0.1632}; // Les 3 coefficients bj
pirottealex 0:7a912bfb5a4e 13 double echantillons[32] = {0.7362, 0.2071, 1.2774, 1.0, 0.5703, 1.2071, 0.0291, 0.0, -0.0291, -1.2071, -0.5703, -1.0, -1.2774, -0.2071, -0.7362, 0.0,
pirottealex 0:7a912bfb5a4e 14 0.7362, 0.2071, 1.2774, 1.0, 0.5703, 1.2071, 0.0291, 0.0, -0.0291, -1.2071, -0.5703, -1.0, -1.2774, -0.2071, -0.7362, 0.0};
pirottealex 0:7a912bfb5a4e 15 digital_filter mon_filtre;
pirottealex 0:7a912bfb5a4e 16
pirottealex 0:7a912bfb5a4e 17 init_digital_filter(&mon_filtre, coef_a, 4, coef_b, 3); // Initialisation du filtre avec les coefficients de la fonction de transfert
pirottealex 0:7a912bfb5a4e 18
pirottealex 0:7a912bfb5a4e 19 for(char i = 0; i < 32; i++)
pirottealex 0:7a912bfb5a4e 20 { // On filtre les échantillons
pirottealex 0:7a912bfb5a4e 21 pc.printf("Echantillon numero %d : %lf\t | Apres filtrage : %lf\n\r", i, echantillons[i], filter_next_sample(&mon_filtre, echantillons[i]));
pirottealex 0:7a912bfb5a4e 22 }
pirottealex 0:7a912bfb5a4e 23
pirottealex 0:7a912bfb5a4e 24 while(1)
pirottealex 0:7a912bfb5a4e 25 {
pirottealex 0:7a912bfb5a4e 26 wait(1);
pirottealex 0:7a912bfb5a4e 27 }
pirottealex 0:7a912bfb5a4e 28 }