Convert raw pwm values to uniform values.

        :param values: The raw pwm values.
        :return: Converted, uniform pwm values (0.0-1.0).

def _to_uniform_pwm(self, values):
        """
        Convert raw pwm values to uniform values.

        :param values: The raw pwm values.
        :return: Converted, uniform pwm values (0.0-1.0).
        """
        return [self._to_single_uniform_pwm(values[i])
                for i in range(len(self._pins))]