Add outputs for testpoints

209907b4 · Tristan Gingold · e51c789c · 209907b4
Commit 209907b4 authored Mar 15, 2024 by Tristan Gingold
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wf_rx_deserializer.vhd src/wf_rx_deserializer.vhd +21 -0

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--- a/src/wf_rx_deserializer.vhd
+++ b/src/wf_rx_deserializer.vhd
@@ -131,6 +131,11 @@ entity wf_rx_deserializer is port(
    -- Signal to the wf_engine_control unit
    fss_received_p_o     : out std_logic; -- pulse upon reception of a correct FSS (ID/RP)

+    --  Debug signal: when the first falling edge has been detected
+    dbg_frame_start_p_o  : out std_logic;
+    --  Debug: error detected in the fsd
+    dbg_fsd_err_p_o      : out std_logic;
+
    -- Signal to the wf_rx_osc unit
    rx_osc_rst_o         : out std_logic);-- resets the clk recovery procedure

@@ -197,6 +202,22 @@ begin
    end process;


+  process (uclk_i)
+  begin
+    if rising_edge(uclk_i) then
+      if rx_st = PRE_FIELD_FIRST_F_EDGE then
+        dbg_frame_start_p_o <= '1';
+      else
+        dbg_frame_start_p_o <= '0';
+      end if;
+      if rx_st = FSD_FIELD then
+        dbg_fsd_err_p_o <= s_fsd_wrong_bit;
+      else
+        dbg_fsd_err_p_o <= '0';
+      end if;
+    end if;
+  end process;
+
 --  --  --  --  --  --  --  --  --  --  --  --  --  --  --  --  --  --  --  --  --  --  --  --  --
 -- Combinatorial process Deserializer_FSM_Comb_State_Transitions: Definition of the state
 -- transitions of the FSM.