From 111859312b06f3c546a2dac2f9b52c304ed97ff8 Mon Sep 17 00:00:00 2001
From: xingchen <1098756313@qq.com>
Date: Fri, 25 Sep 2026 11:57:26 +0800
Subject: [PATCH] feat: add rtl/error_counters.sv

---
 rtl/error_counters.sv | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 rtl/error_counters.sv

diff --git a/rtl/error_counters.sv b/rtl/error_counters.sv
new file mode 100644
index 0000000..037f4d7
--- /dev/null
+++ b/rtl/error_counters.sv
@@ -0,0 +1,12 @@
+module error_counters (
+    input logic clk, rst_n, length_error, parity_error,
+    output logic [15:0] length_count, parity_count
+);
+  always_ff @(posedge clk or negedge rst_n) begin
+    if (!rst_n) begin length_count <= '0; parity_count <= '0; end
+    else begin
+      if (length_error && length_count != 16'hffff) length_count <= length_count + 1'b1;
+      if (parity_error && parity_count != 16'hffff) parity_count <= parity_count + 1'b1;
+    end
+  end
+endmodule