funciona_sem_controle

clear all
close all
clc;

a = arduino();

tmax = 20;
v = 0;
t = 0;
c = 0;
d = 0;

disp('Loop....')
tic
while toc <= tmax
    writeDigitalPin(a,'D9',0);
    writeDigitalPin(a,'D8',1);
    while toc <= d + 2
        c = c + 1;
        v(c) = readVoltage(a,'A0');
        if v(c) >= 3.5
            writeDigitalPin(a,'D8',0);
            writeDigitalPin(a,'D9',0);
            %quit;
        end
        t(c) = toc;
    end
    writeDigitalPin(a,'D8',0);
    writeDigitalPin(a,'D9',1);
    while toc <= d + 4
        c = c + 1;
        v(c) = readVoltage(a,'A0');
        if v(c) <= 1.5
            writeDigitalPin(a,'D8',0);
            writeDigitalPin(a,'D9',0);
            %quit;
        end
        t(c) = toc;
    end
    d = toc;
end
plot(v)

tempo_entre_pontos = diff(t);
tempo_medio = mean(tempo_entre_pontos);
frequencia = 1/tempo_medio;
fprintf('Um ponto a cada %.3f segundos (%.f Hz)\n',tempo_medio,frequencia)

%filename = '16.07-1.mat';
%save(filename,'t','v','frequencia','tempo_medio')