fix bug ccn_pck

hdl/ccn_pack.vhd

@@ -86,8 +86,11 @@ architecture rtl of ccn_pack is
 
     -- Packet Rate Counter 
     signal pps_detect               : std_logic_vector(1 downto 0);
+    signal is_pps                   : std_logic;
     signal pkt_rt_cnt               : unsigned(18 downto 0);
+    signal pkt_rt_cnt_v             : std_logic_vector(18 downto 0); 
     signal pkt_rt_cnt_ena           : std_logic;
+    signal pkt_cnt_incr             : std_logic;
 
     -- Frame counter
     signal frame_counter            : unsigned(31 downto 0);
@@ -213,7 +216,7 @@ begin
     -------------------------
     -- PPS PULSE DETECTION --
     -------------------------
-    is_pps <= pps_detect[0] and not(pps_detect[1])
+    is_pps <= pps_detect(0) and not(pps_detect(1));
     
     p_pps_dtc:process(aclk, aresetn)
     begin
@@ -221,8 +224,8 @@ begin
             pps_detect <= (others => '0');
 
         elsif rising_edge(aclk) then
-		pps_detect[1] <= pps_detect[0];
-		pps_detect[0] <= pps;
+		pps_detect(1) <= pps_detect(0);
+		pps_detect(0) <= pps;
         end if;
     end process p_pps_dtc;
 
@@ -231,6 +234,8 @@ begin
     -------------------------
     pkt_cnt_incr      <= reg_tvalid and pkt_reg_tready;  -- same conditions as for pkt decounter
     -- pkt_rt_cnt_zero   <= '1' when is_pps = 1 else '0';-- unused
+    -- pkt_rate_cnt  <= std_logic_vector(resize(unsigned(pkt_rt_cnt),pkt_rate_cnt'length)) when is_pps = '1';  -- save packet rate cnt value in RO reg 
+    pkt_rate_cnt <= pkt_rt_cnt_v;
 
     p_pkt_rt_cnt:process(aclk, aresetn) -- counter process 
     begin
@@ -239,7 +244,7 @@ begin
 
         elsif rising_edge(aclk) then
             if is_pps = '1' then       
-                pkt_rt_cnt <= std_logic_vector(unsigned(pkt_rt_cnt));  -- save packet rate cnt value in RO reg 
+                pkt_rt_cnt_v <= std_logic_vector(resize(unsigned(pkt_rt_cnt),pkt_rate_cnt'length));
                 pkt_rt_cnt <= (others => '0');               -- reset packet rate value 
             else
                 if pkt_rt_cnt_ena = '1' and pkt_cnt_incr = '1' then
@@ -467,6 +472,7 @@ begin
                 load_pkt_cnt_ena        <= '0';
                 pass                    <= '0';
                 frame_error             <= '1';
+                pkt_rt_cnt_ena          <= '0';-- pkt_rt counter disable
                 --
                 fsm_state_next <= STANDBY;
 
@@ -475,6 +481,7 @@ begin
                 load_pkt_cnt_ena        <= '1';
                 pass                    <= '0';
                 frame_error             <= '0';
+                pkt_rt_cnt_ena          <= '0';-- pkt_rt counter disable
                 --
                 fsm_state_next <= STANDBY;