Implemented holdCounter

Changed counter component to removed the clk_en input and and added an
input that allows for the counter to count up or count down

counter.vhd

@@ -43,11 +43,11 @@ ENTITY counter IS
 	PORT
 	(
 		aclr		: IN STD_LOGIC ;
-		clk_en		: IN STD_LOGIC ;
 		clock		: IN STD_LOGIC ;
 		cnt_en		: IN STD_LOGIC ;
 		data		: IN STD_LOGIC_VECTOR (11 DOWNTO 0);
 		sload		: IN STD_LOGIC ;
+		updown		: IN STD_LOGIC ;
 		q		: OUT STD_LOGIC_VECTOR (11 DOWNTO 0)
 	);
 END counter;
@@ -68,11 +68,11 @@ ARCHITECTURE SYN OF counter IS
 	);
 	PORT (
 			sload	: IN STD_LOGIC ;
-			clk_en	: IN STD_LOGIC ;
 			aclr	: IN STD_LOGIC ;
 			clock	: IN STD_LOGIC ;
 			q	: OUT STD_LOGIC_VECTOR (11 DOWNTO 0);
 			data	: IN STD_LOGIC_VECTOR (11 DOWNTO 0);
+			updown	: IN STD_LOGIC ;
 			cnt_en	: IN STD_LOGIC 
 	);
 	END COMPONENT;
@@ -82,17 +82,17 @@ BEGIN
 
 	lpm_counter_component : lpm_counter
 	GENERIC MAP (
-		lpm_direction => "DOWN",
-		lpm_port_updown => "PORT_UNUSED",
+		lpm_direction => "UNUSED",
+		lpm_port_updown => "PORT_USED",
 		lpm_type => "LPM_COUNTER",
 		lpm_width => 12
 	)
 	PORT MAP (
 		sload => sload,
-		clk_en => clk_en,
 		aclr => aclr,
 		clock => clock,
 		data => data,
+		updown => updown,
 		cnt_en => cnt_en,
 		q => sub_wire0
 	);
@@ -108,11 +108,11 @@ END SYN;
 -- Retrieval info: PRIVATE: ALOAD NUMERIC "0"
 -- Retrieval info: PRIVATE: ASET NUMERIC "0"
 -- Retrieval info: PRIVATE: ASET_ALL1 NUMERIC "1"
--- Retrieval info: PRIVATE: CLK_EN NUMERIC "1"
+-- Retrieval info: PRIVATE: CLK_EN NUMERIC "0"
 -- Retrieval info: PRIVATE: CNT_EN NUMERIC "1"
 -- Retrieval info: PRIVATE: CarryIn NUMERIC "0"
 -- Retrieval info: PRIVATE: CarryOut NUMERIC "0"
--- Retrieval info: PRIVATE: Direction NUMERIC "1"
+-- Retrieval info: PRIVATE: Direction NUMERIC "2"
 -- Retrieval info: PRIVATE: INTENDED_DEVICE_FAMILY STRING "Cyclone II"
 -- Retrieval info: PRIVATE: ModulusCounter NUMERIC "0"
 -- Retrieval info: PRIVATE: ModulusValue NUMERIC "0"
@@ -122,20 +122,20 @@ END SYN;
 -- Retrieval info: PRIVATE: SSET_ALL1 NUMERIC "1"
 -- Retrieval info: PRIVATE: SYNTH_WRAPPER_GEN_POSTFIX STRING "0"
 -- Retrieval info: PRIVATE: nBit NUMERIC "12"
--- Retrieval info: CONSTANT: LPM_DIRECTION STRING "DOWN"
--- Retrieval info: CONSTANT: LPM_PORT_UPDOWN STRING "PORT_UNUSED"
+-- Retrieval info: CONSTANT: LPM_DIRECTION STRING "UNUSED"
+-- Retrieval info: CONSTANT: LPM_PORT_UPDOWN STRING "PORT_USED"
 -- Retrieval info: CONSTANT: LPM_TYPE STRING "LPM_COUNTER"
 -- Retrieval info: CONSTANT: LPM_WIDTH NUMERIC "12"
 -- Retrieval info: USED_PORT: aclr 0 0 0 0 INPUT NODEFVAL aclr
--- Retrieval info: USED_PORT: clk_en 0 0 0 0 INPUT NODEFVAL clk_en
 -- Retrieval info: USED_PORT: clock 0 0 0 0 INPUT NODEFVAL clock
 -- Retrieval info: USED_PORT: cnt_en 0 0 0 0 INPUT NODEFVAL cnt_en
 -- Retrieval info: USED_PORT: data 0 0 12 0 INPUT NODEFVAL data[11..0]
 -- Retrieval info: USED_PORT: q 0 0 12 0 OUTPUT NODEFVAL q[11..0]
 -- Retrieval info: USED_PORT: sload 0 0 0 0 INPUT NODEFVAL sload
+-- Retrieval info: USED_PORT: updown 0 0 0 0 INPUT NODEFVAL updown
 -- Retrieval info: CONNECT: @clock 0 0 0 0 clock 0 0 0 0
 -- Retrieval info: CONNECT: q 0 0 12 0 @q 0 0 12 0
--- Retrieval info: CONNECT: @clk_en 0 0 0 0 clk_en 0 0 0 0
+-- Retrieval info: CONNECT: @updown 0 0 0 0 updown 0 0 0 0
 -- Retrieval info: CONNECT: @cnt_en 0 0 0 0 cnt_en 0 0 0 0
 -- Retrieval info: CONNECT: @sload 0 0 0 0 sload 0 0 0 0
 -- Retrieval info: CONNECT: @aclr 0 0 0 0 aclr 0 0 0 0
@@ -144,8 +144,8 @@ END SYN;
 -- Retrieval info: GEN_FILE: TYPE_NORMAL counter.vhd TRUE
 -- Retrieval info: GEN_FILE: TYPE_NORMAL counter.inc FALSE
 -- Retrieval info: GEN_FILE: TYPE_NORMAL counter.cmp FALSE
--- Retrieval info: GEN_FILE: TYPE_NORMAL counter.bsf TRUE FALSE
+-- Retrieval info: GEN_FILE: TYPE_NORMAL counter.bsf TRUE
 -- Retrieval info: GEN_FILE: TYPE_NORMAL counter_inst.vhd FALSE
--- Retrieval info: GEN_FILE: TYPE_NORMAL counter_waveforms.html TRUE
+-- Retrieval info: GEN_FILE: TYPE_NORMAL counter_waveforms.html FALSE
 -- Retrieval info: GEN_FILE: TYPE_NORMAL counter_wave*.jpg FALSE
 -- Retrieval info: LIB_FILE: lpm

frameCounter.vhd

@@ -17,23 +17,23 @@ ARCHITECTURE arch OF frameCounter IS
 	PORT
 	(
 		aclr		: IN STD_LOGIC ;
-		clk_en		: IN STD_LOGIC ;
 		clock		: IN STD_LOGIC ;
 		cnt_en		: IN STD_LOGIC ;
 		data		: IN STD_LOGIC_VECTOR (11 DOWNTO 0);
 		sload		: IN STD_LOGIC ;
-		q		: OUT STD_LOGIC_VECTOR (11 DOWNTO 0)
+		updown	: IN STD_LOGIC ;
+		q			: OUT STD_LOGIC_VECTOR (11 DOWNTO 0)
 	);
 	END COMPONENT;
 
 BEGIN
 	counter0: counter PORT MAP(
-		aclr 	=> 	aclr,
-		clk_en	=> 	'1',
-		clock	=>	clk,
-		cnt_en	=>	enable,
-		data	=> "000000000000",
-		sload	=> '0',
-		q		=> count
+		aclr 		=> 	aclr,
+		clock		=>	clk,
+		cnt_en		=>	enable,
+		data		=> "000000000000",
+		sload		=> '0',
+		updown	=> '1',
+		q			=> count
 	);
 END arch;

holdCounter.vhd

@@ -18,11 +18,11 @@ ARCHITECTURE arch of holdCounter IS
 	PORT
 	(
 		aclr		: IN STD_LOGIC ;
-		clk_en		: IN STD_LOGIC ;
 		clock		: IN STD_LOGIC ;
 		cnt_en		: IN STD_LOGIC ;
 		data		: IN STD_LOGIC_VECTOR (11 DOWNTO 0);
 		sload		: IN STD_LOGIC ;
+		updown	: IN STD_LOGIC ;
 		q			: OUT STD_LOGIC_VECTOR (11 DOWNTO 0)
 	);
 	END COMPONENT;
@@ -32,13 +32,13 @@ ARCHITECTURE arch of holdCounter IS
 BEGIN
 
 	counter0: counter PORT MAP(
-		aclr 	=> 	aclr,
-		clk_en	=> 	'1',
-		clock	=>	clk,
-		cnt_en	=>	enable AND NOT isEqual12,
-		data	=> "000000000000",
-		sload	=> '0',
-		q		=> tempCount
+		aclr 		=> 	aclr,
+		clock		=>	clk,
+		cnt_en		=>	enable AND NOT isEqual12,
+		data		=> "000000000000",
+		sload		=> '0',
+		updown	=> '1',
+		q			=> tempCount
 	);
 
 	isEqual12 <= '1' WHEN (tempCount = "000000001100") ELSE '0';