ARCHITECTURE studentVersion OF sawtoothGen IS

	signal counter : unsigned(bitNb-1 downto 0);
	
BEGIN

	count: process(reset, clock, en, step)
	begin
		if reset = '1' then
			counter <= (others => '0');
		elsif rising_edge(clock) then
			if en = '1' then
				counter <= counter + step;
			end if;
		end if;
	end process count;
	
	sawtooth <= counter;

END ARCHITECTURE studentVersion;