# module_pulse.py

def generate_pulse_signal(ampl, pulse_len, period, n_samples, filename):
    ampl = float(ampl)
    pulse_len = int(pulse_len)
    period = int(period)
    n_samples = int(n_samples)

    if pulse_len <= 0 or period <= 0 or n_samples <= 0 or period < pulse_len:
        print("Ошибка: проверь параметры (pulse_len>0, period>=pulse_len, n_samples>0)")
        return []   # вернём пустой список

    signal = []
    for i in range(n_samples):
        if (i % period) < pulse_len:
            signal.append(ampl)
        else:
            signal.append(0)

    f = open(filename, "w", encoding="utf-8")
    for x in signal:
        f.write(str(x) + "\n")
    f.close()

    return signal