update dl814_z7 and dl814_cal_coarse

change frame header of nulling algorithm data in chip-to-chip communication, add several sets of noise data sampled with 814 board

projects/datalink_814/dl814_k7_cal_coarse/rtl/rx_pre_process/spatial_filter.v

@@ -2,6 +2,11 @@
 //////////////////////////////////////////////////////////////////////////////////
 // Company:
 // Engineer:
+//      _           _        ____
+//     | | ___  ___| |__    / ___| __ _  ___
+//  _  | |/ _ \/ __| '_ \  | |  _ / _` |/ _ \
+// | |_| | (_) \__ \ | | | | |_| | (_| | (_) |
+//  \___/ \___/|___/_| |_|  \____|\__,_|\___/
 //
 // Create Date: 2022/11/11 17:05:31
 // Design Name:
@@ -14,7 +19,9 @@
 // Dependencies:
 //
 // Revision:
-// Revision 0.01 - File Created
+//   Revision 0.01 - File Created
+//   20230404-1037 - 将权矢量和数据对齐，增加 [last_hop_weight_d1] 补偿 RAM 读数
+//     的延迟。
 // Additional Comments:
 //
 //////////////////////////////////////////////////////////////////////////////////
@@ -65,11 +72,12 @@ genvar i;
 // store current hop & restore last hop weight
 reg [CMPLX_DIM*CHANNEL_NUM*WEIGHT_WIDTH-1 : 0] current_hop_weight = 'b0;
 reg [CMPLX_DIM*CHANNEL_NUM*WEIGHT_WIDTH-1 : 0] last_hop_weight = 'b0;
+reg [CMPLX_DIM*CHANNEL_NUM*WEIGHT_WIDTH-1 : 0] last_hop_weight_d1 = 'b0; // wait for ram data
 
 wire [CHANNEL_NUM*WEIGHT_WIDTH-1 : 0] last_weight_real;
 wire [CHANNEL_NUM*WEIGHT_WIDTH-1 : 0] last_weight_imag;
 
-assign {last_weight_imag,last_weight_real} = last_hop_weight;
+assign {last_weight_imag,last_weight_real} = last_hop_weight_d1;
 
 always @(posedge clk) begin
     if (rst) begin
@@ -89,6 +97,15 @@ always @(posedge clk) begin
     end
 end
 
+always @(posedge clk) begin
+    if (rst) begin
+        last_hop_weight_d1 <= 'b0;
+    end
+    else begin
+        last_hop_weight_d1 <= last_hop_weight;
+    end
+end
+
 // store current hop & restore last hop data
 wire [CMPLX_DIM*CHANNEL_NUM*ADC_WIDTH-1 : 0] current_hop_data;
 reg last_hop_valid = 'b0;
@@ -110,11 +127,19 @@ always @(posedge clk) begin
     if (rst) begin
         hop_data_cnt <= 'b0;
     end
-    else if (hop_start_flag) begin
-        hop_data_cnt <= 'b0;
+    else if(din_adc_valid) begin
+        if (hop_start_flag) begin
+            hop_data_cnt <= 'b0;
+        end
+        else if (hop_data_cnt == RAM_HOP_DEPTH-1) begin
+            hop_data_cnt <= 'b0;
+        end
+        else begin
+            hop_data_cnt <= hop_data_cnt + 1'b1;
+        end
     end
     else begin
-        hop_data_cnt <= din_adc_valid ? (hop_data_cnt + 1'b1) : hop_data_cnt;
+        hop_data_cnt <= hop_data_cnt;
     end
 end