Improved NCO: 200MHz

sim/tb/tb_nco_q15.v

@@ -1,8 +1,6 @@
 `timescale 1ns/1ps
 
 module tb_nco_q15();
-    `include "core/nco_q15_funcs.vh"
-
     // Clock and reset generation
     reg clk;
     reg resetn;
@@ -20,26 +18,26 @@ module tb_nco_q15();
     end;
 
 
-    reg [31:0] ftw_in;
+    reg [31:0] freq;
     wire [15:0] sin_q15;
     wire [15:0] cos_q15;
     wire out_en;
 
-    nco_q15 #(.PHASE_BITS(16)) nco (
+    nco_q15 #(.CLK_HZ(120_000_000), .FS_HZ(40_000)) nco (
         .clk    (clk),
         .rst_n  (resetn),
-        .ftw_in (ftw_in),
+        .freq_hz(freq),
         .sin_q15(sin_q15),
         .cos_q15(cos_q15),
         .clk_en (out_en)
     );
 
     initial begin
-        ftw_in = 32'h0;
+        freq = 32'h0;
         #100
-        ftw_in = ftw_from_hz(1000, 16, 40000);
+        freq = 32'd1000;
         #2_500_000
-        ftw_in = ftw_from_hz(2000, 16, 40000);
+        freq = 32'd2000;
     end;
 
 endmodule