b200: import original Kintex-7 clone port

top/b200/edge_detect.v

@@ -0,0 +1,43 @@
+`timescale 1ns / 1ps
+//////////////////////////////////////////////////////////////////////////////////
+// Company: 
+// Engineer: 
+// 
+// Create Date: 2025/07/03 01:29:39
+// Design Name: 
+// Module Name: edge_detect
+// Project Name: 
+// Target Devices: 
+// Tool Versions: 
+// Description: 
+// 
+// Dependencies: 
+// 
+// Revision:
+// Revision 0.01 - File Created
+// Additional Comments:
+// 
+//////////////////////////////////////////////////////////////////////////////////
+
+
+// 边沿检测子模块
+    module edge_detect (
+        input  wire clk,
+        input  wire rst_n,
+        input  wire din,
+        output wire  dout
+    );
+        reg din_d1, din_d2;
+        always @(posedge clk or negedge rst_n) begin
+            if (!rst_n) begin
+                din_d1 <= 1'b0;
+                din_d2 <= 1'b0;
+            end else begin
+                din_d1 <= din;
+                din_d2 <= din_d1;
+            end
+        end
+        assign dout = din_d1 & ~din_d2; // 上升沿
+    endmodule
+
+