Add slv_reg1[4] for option of disabling all smoothing

verilog/dot11.v

@@ -21,6 +21,7 @@ module dot11 (
     input sample_in_strobe,
     input soft_decoding,
     input wire force_ht_smoothing,
+    input wire disable_all_smoothing,
 
     // OUTPUT: bytes and FCS status
     output reg demod_is_ongoing,
@@ -376,6 +377,7 @@ equalizer equalizer_inst (
     .ht_next(ht_next),
     .pkt_ht(pkt_ht),
     .ht_smoothing(ht_smoothing|force_ht_smoothing),
+    .disable_all_smoothing(disable_all_smoothing),
 
     .phase_in_i(eq_phase_in_i),
     .phase_in_q(eq_phase_in_q),

verilog/equalizer.v

@@ -11,6 +11,7 @@ module equalizer
     input ht_next,
     input pkt_ht,
     input ht_smoothing,
+    input wire disable_all_smoothing,
 
     output [31:0] phase_in_i,
     output [31:0] phase_in_q,
@@ -548,8 +549,7 @@ always @(posedge clock) begin
                         lts_raddr <= 62;
                         lts_in_stb <= 0;
                         lts_div_in_stb <= 0;
-                        // Always smooth legacy channel
-                        state <= S_SMOOTH_CH_DC;
+                        state <= (disable_all_smoothing?S_GET_POLARITY:S_SMOOTH_CH_DC);
                     end else begin
                         lts_waddr <= lts_waddr + 1;
                     end
@@ -848,7 +848,7 @@ always @(posedge clock) begin
                         lts_in_stb <= 0;
                         lts_div_in_stb <= 0;
                         // Depending on smoothing bit in HT-SIG, smooth the channel
-                        if(ht_smoothing) begin
+                        if(ht_smoothing==1 && disable_all_smoothing==0) begin
                             state <= S_SMOOTH_CH_DC;
                         end else begin
                             state <= S_GET_POLARITY;

verilog/openofdm_rx.v

@@ -145,6 +145,7 @@
 		.sample_in_strobe(sample_in_strobe),
 		.soft_decoding(slv_reg4[0]),
 		.force_ht_smoothing(slv_reg1[0]),
+		.disable_all_smoothing(slv_reg1[4]),
 
 		// OUTPUT: bytes and FCS status
 		.demod_is_ongoing(demod_is_ongoing),