add dl817_k7_beam

projects/datalink_814/dl814_k7_beam/testbenches/tb_rx_pre.v

@@ -0,0 +1,393 @@
+`timescale 1ns / 1ps
+
+//////////////////////////////////////////////////////////////////////////////////
+// Company:
+// Engineer:
+//      _           _        ____
+//     | | ___  ___| |__    / ___| __ _  ___
+//  _  | |/ _ \/ __| '_ \  | |  _ / _` |/ _ \
+// | |_| | (_) \__ \ | | | | |_| | (_| | (_) |
+//  \___/ \___/|___/_| |_|  \____|\__,_|\___/
+//
+// Create Date: 2022/09/15 11:12:45
+// Last Modified Data: 2022/11/02
+// Design Name:
+// Module Name: tb_ad9361_cal
+// Project Name:
+// Target Devices:
+// Tool Versions:
+// Description: testbench for [rx_pre_process]
+//
+// Dependencies:
+//
+// Revision:
+// Revision 0.01 - File Created
+// Additional Comments:
+//
+//////////////////////////////////////////////////////////////////////////////////
+
+// -------------------------------
+// MATLAB Code for data generation
+// -------------------------------
+
+// %%%%%%%%%%%%%%%%%%%%%%%%%%
+// %本仿真基于以下环境，64元矩形方阵，每若干个阵元通过TR通道和合路器，合成一路子阵信号，然后AD采样进入阵列信号处理单元；
+// % - 子阵分割均匀，（16，16，16，16），共有4个子阵
+// % - 1个已知方向的期望来波，3个未知方向的干扰信号；
+// % - 信干比60dB；
+// %θ表示俯仰角（来波与Z轴正向夹角）；φ表示方位角（来波在XOY平面投影与X轴正向夹角）；X轴与阵列每列平行，Y轴与阵列每行平行
+// %通过空域滤波得到抑制干扰后的信号
+// %%%%%%%%%%%%%%%%%%%%%%%%
+// clc;
+// clear all;
+// Tt=256;%快拍数，用于阵列信号处理的采样点数
+// Tmax = 32768;
+// t=1:Tmax;
+// %%%%%%%%%此处假设来波均为单频信号，可按自身定义修改
+// f1=0.1*pi;
+// f2=0.1*pi;
+// f3=0.1*pi;
+// f4=0.1*pi;
+
+// %% 通信基带信号
+
+// %% 窄带白噪声干扰信号
+// filter_name = 'lpf_fs100_fpass5_fstop6.mat';
+// %%
+// snr=0;%信噪比可根据应用场景确定
+// sjr=(60+snr);%干信比
+// s1=sqrt(2*10^(snr/10))*exp(1i*f1*t);
+// s2=sqrt(2*10^(sjr/10))*exp(1i*f2*t);
+// s3=sqrt(2*10^(sjr/10))*exp(1i*f3*t);
+// s4=sqrt(2*10^(sjr/10))*exp(1i*f4*t);
+// %%%%%%%由信噪比和干信比计算出信号的幅度
+// lamuda=1;%当前载频的波长，可根据载频输入实际值d
+// d=0.5;%阵元间距，需小于最高工作频率半波长，可根据实际情况输入实际值
+
+// theta1=20;%期望来波俯仰角
+// phi1=30;%期望来波方位角
+
+// theta2=-20;%干扰1俯仰角
+// phi2=50;%干扰1方位角
+
+// theta3=-40;%干扰2俯仰角
+// phi3=80;%干扰2方位角
+
+// theta4=-60;%干扰3俯仰角
+// phi4=120;%干扰3方位角
+
+// %%%%%%%%
+// m=8;%列
+// n=8;%行
+// L=m*n;
+// a1=exp(1i*2*pi*d/lamuda*(-(m/2-1/2):1:(m/2-1/2)).'*sin(theta1/180*pi)*sin(phi1/180*pi));
+// b1=exp(1i*2*pi*d/lamuda*(-(n/2-1/2):1:(n/2-1/2)).'*sin(theta1/180*pi)*cos(phi1/180*pi));
+// A1=kron(b1,a1);
+
+// a2=exp(1i*2*pi*d/lamuda*(-(m/2-1/2):1:(m/2-1/2)).'*sin(theta2/180*pi)*sin(phi2/180*pi));
+// b2=exp(1i*2*pi*d/lamuda*(-(n/2-1/2):1:(n/2-1/2)).'*sin(theta2/180*pi)*cos(phi2/180*pi));
+// A2=kron(b2,a2);
+
+// a3=exp(1i*2*pi*d/lamuda*(-(m/2-1/2):1:(m/2-1/2)).'*sin(theta3/180*pi)*sin(phi3/180*pi));
+// b3=exp(1i*2*pi*d/lamuda*(-(n/2-1/2):1:(n/2-1/2)).'*sin(theta3/180*pi)*cos(phi3/180*pi));
+// A3=kron(b3,a3);
+
+// a4=exp(1i*2*pi*d/lamuda*(-(m/2-1/2):1:(m/2-1/2)).'*sin(theta4/180*pi)*sin(phi4/180*pi));
+// b4=exp(1i*2*pi*d/lamuda*(-(n/2-1/2):1:(n/2-1/2)).'*sin(theta4/180*pi)*cos(phi4/180*pi));
+// A4=kron(b4,a4);
+
+// As=[A1,A2,A3,A4];%阵列流型
+// rng(0);
+// x=As*[s1;s2;s3;s4]+randn(L,Tmax);
+// %%%%%%%%%%%%%%%4元子阵
+// %
+// N1=4;
+// C1=zeros(N1,64);
+// D1=zeros(N1,64);
+// for kk=0:3
+//     C1(1,(kk*8+1):(kk*8+4))=ones(1,4);
+//     C1(2,(kk*8+5):(kk*8+8))=ones(1,4);
+//     C1(3,(kk*8+33):(kk*8+36))=ones(1,4);
+//     C1(4,(kk*8+37):(kk*8+40))=ones(1,4);
+// end
+// %}
+// %%%%%%%%%%%%%%%%%%%%%%
+// D1=C1*diag(A1');%4元  阵元通道移相后，每16路合路为一个子阵
+// % D2=C2*diag(A1');%6元 阵元通道移相后，每(16,8)路合路为一个子阵
+// % D3=C3*diag(A1');%8元  阵元通道移相后，每8路合路为一个子阵
+// % %%%%%%%%%%%%%%%%%
+// xs1=D1*x(:,1:Tt);
+// Rx1=xs1*xs1';%4元子阵协方差矩阵
+// Ax1=D1*A1;%期望来波方向的子阵导向矢量
+// wx1=inv(Rx1)*Ax1/(Ax1'*inv(Rx1)*Ax1);%4子阵的LCMV权值
+// s_new1=wx1'*(D1*x);%4子阵情况下的空域滤波后的信号
+// % s_new1=[1,1,1,1]*xs1;
+
+// %% 方向图
+// [theta,phi] = meshgrid(-180:180);
+// wx = zeros(length(theta),length(phi));
+
+// for i = 1:length(theta)
+//     for j = 1:length(phi)
+//         a = exp(1i*2*pi*d/lamuda*(-(m/2-1/2):1:(m/2-1/2)).'*sin(theta(i,j)/180*pi)*sin(phi(i,j)/180*pi));
+//         b = exp(1i*2*pi*d/lamuda*(-(n/2-1/2):1:(n/2-1/2)).'*sin(theta(i,j)/180*pi)*cos(phi(i,j)/180*pi));
+//         A = kron(b,a);
+//         Ax = D1*A;
+//         wx(i,j) = wx1'*Ax;
+//     end
+// end
+// wx_abs = abs(wx)/max(max(abs(wx)));
+// m = mesh(theta,phi,20*log(wx_abs));
+// xlabel('俯仰角');
+// ylabel('方位角');
+// datatip(m,'DataIndex',(theta1+180)*361+(phi1+180)+1);
+// datatip(m,'DataIndex',(theta2+180)*361+(phi2+180)+1);
+// datatip(m,'DataIndex',(theta3+180)*361+(phi3+180)+1);
+// datatip(m,'DataIndex',(theta4+180)*361+(phi4+180)+1);
+// zlim([-150 0]);
+
+// %% 数据导出
+// xs1_long = (D1*x)';
+// xs1_real = real(xs1_long);
+// xs1_imag = imag(xs1_long);
+// xs1_real_12b = round(xs1_real/max(max(abs(xs1_long)))*(2^11-1));
+// xs1_imag_12b = round(xs1_imag/max(max(abs(xs1_long)))*(2^11-1));
+
+// writematrix(xs1_real_12b,'D:\xs1_real.csv');
+// writematrix(xs1_imag_12b,'D:\xs1_imag.csv');
+
+// xs1_12b = xs1_real_12b' + 1i*xs1_imag_12b';
+
+// wx1_32b = round(wx1/max(abs(wx1))*(2^31-1));
+// wx1_16b = floor(wx1_32b/2^16);
+// s_new1_30b = (wx1_16b'*xs1_12b).';
+// s_new1_12b = floor(s_new1_30b/2^18);
+
+// -----------------------------------------------------------------------------
+
+module tb_rx_pre;
+
+localparam COL_NUM = 4;
+localparam PS_PL_WIDTH = 32;
+
+localparam FRAME_HEAD = 32'b10110011100011110000111000110010;
+localparam FRAME_BITS = (2+COL_NUM*2)*PS_PL_WIDTH;
+
+reg [FRAME_BITS-1 : 0] weight_stream_buf =
+{
+    FRAME_HEAD, 32'd8,
+    32'd1708831055,  32'd1022099874,
+    32'd1470077321,  32'd1478611174,
+    32'd1521211943, -32'd1515783705,
+    32'd1625618723, -32'd984927344
+};
+
+reg  sys_clk = 1'b1;
+reg  sys_clk_4x = 1'b1;
+reg  sys_rst = 1'b1;
+reg  clk_96m = 1'b1;
+reg  ant_rst = 1'b1;
+
+reg  ad9361_1_cal_start = 'b0;
+wire ad9361_1_cal_done ;
+reg  ad9361_2_cal_start = 'b0;
+wire ad9361_2_cal_done ;
+wire ad9361_cal_result ;
+wire ad9361_cal_valid  ;
+reg  ad9361_recal       = 'b0;
+
+// phase difference of 0 degree
+wire [11:0] rx_ch1_i;
+wire [11:0] rx_ch1_q;
+wire [11:0] rx_ch2_i;
+wire [11:0] rx_ch2_q;
+wire [11:0] rx_ch3_q;
+wire [11:0] rx_ch3_i;
+wire [11:0] rx_ch4_i;
+wire [11:0] rx_ch4_q;
+
+reg  hop_start_flag = 1'b0;
+wire accor_stream_valid;
+wire accor_stream_data;
+wire weight_stream_data;
+wire rx_data_valid;
+wire [11:0] rx_data_i, rx_data_q;
+
+rx_pre_process u_rx_pre_process
+(
+    // clock & reset
+    .sys_clk            (sys_clk            ), // input           sys_clk
+    .sys_clk_4x         (sys_clk_4x         ), // input           sys_clk_4x
+    .sys_rst            (sys_rst            ), // input           sys_rst
+    .clk_96m            (clk_96m            ), // input           clk_96m
+    .ant_rst            (ant_rst            ), // input           ant_rst
+    // input data interface
+    .rx_ch1_i           (rx_ch1_i           ), // input   [11:0]  rx_ch1_i
+    .rx_ch1_q           (rx_ch1_q           ), // input   [11:0]  rx_ch1_q
+    .rx_ch2_i           (-rx_ch2_i          ), // input   [11:0]  rx_ch2_i
+    .rx_ch2_q           (-rx_ch2_q          ), // input   [11:0]  rx_ch2_q
+    .rx_ch3_i           (rx_ch3_i           ), // input   [11:0]  rx_ch3_i
+    .rx_ch3_q           (rx_ch3_q           ), // input   [11:0]  rx_ch3_q
+    .rx_ch4_i           (-rx_ch4_i          ), // input   [11:0]  rx_ch4_i
+    .rx_ch4_q           (-rx_ch4_q          ), // input   [11:0]  rx_ch4_q
+    // ad9361 calibration interface
+    .ad9361_1_cal_start (ad9361_1_cal_start ), // input           ad9361_1_cal_start
+    .ad9361_1_cal_done  (ad9361_1_cal_done  ), // output          ad9361_1_cal_done
+    .ad9361_2_cal_start (ad9361_2_cal_start ), // input           ad9361_2_cal_start
+    .ad9361_2_cal_done  (ad9361_2_cal_done  ), // output          ad9361_2_cal_done
+    .ad9361_cal_result  (ad9361_cal_result  ), // output          ad9361_cal_result
+    .ad9361_cal_valid   (ad9361_cal_valid   ), // output          ad9361_cal_valid
+    .ad9361_recal       (ad9361_recal       ), // input           ad9361_recal
+    // nulling algotithm interface
+    .hop_start_flag     (hop_start_flag     ), // input           hop_start_flag
+    .accor_stream_valid (accor_stream_valid ), // output          accor_stream_valid
+    .accor_stream_data  (accor_stream_data  ), // output          accor_stream_data
+    .weight_stream_data (weight_stream_data ), // input           weight_stream_data
+    .rx_data_valid      (rx_data_valid      ),
+    .rx_data_i          (rx_data_i          ),
+    .rx_data_q          (rx_data_q          )
+);
+
+assign u_rx_pre_process.weight_ch1_i =  16'd26075;
+assign u_rx_pre_process.weight_ch1_q =  16'd15596;
+assign u_rx_pre_process.weight_ch2_i =  16'd22431;
+assign u_rx_pre_process.weight_ch2_q =  16'd22561;
+assign u_rx_pre_process.weight_ch3_i =  16'd23212;
+assign u_rx_pre_process.weight_ch3_q = -16'd23129;
+assign u_rx_pre_process.weight_ch4_i =  16'd24805;
+assign u_rx_pre_process.weight_ch4_q = -16'd15029;
+
+// system clock generation
+always begin
+    #20 sys_clk = ~sys_clk;
+end
+
+always begin
+    #5 sys_clk_4x = ~sys_clk_4x;
+end
+
+always begin
+    #7;
+    clk_96m = ~clk_96m;
+    #3;
+end
+
+initial begin
+    #102
+    sys_rst = 1'b0;
+    ant_rst = 1'b0;
+    #100
+    ad9361_1_cal_start = 1'b1;
+end
+
+always @(posedge sys_clk) begin
+    if (ad9361_1_cal_done) begin
+        ad9361_2_cal_start <= 1'b1;
+    end
+    else begin
+        ad9361_2_cal_start <= 1'b0;
+    end
+end
+
+integer r_file_real;
+integer r_file_imag;
+
+reg signed [11:0] rx_ch1_i_data = 'b0, rx_ch1_q_data = 'b0;
+reg signed [11:0] rx_ch2_i_data = 'b0, rx_ch2_q_data = 'b0;
+reg signed [11:0] rx_ch3_i_data = 'b0, rx_ch3_q_data = 'b0;
+reg signed [11:0] rx_ch4_i_data = 'b0, rx_ch4_q_data = 'b0;
+
+reg [11:0] rx_ch1_i_cal  = 12'd2047;
+reg [11:0] rx_ch1_q_cal  = 12'd2047;
+reg [11:0] rx_ch2_i_cal  = -12'd2047;
+reg [11:0] rx_ch2_q_cal  = -12'd2047;
+reg [11:0] rx_ch3_q_cal  = 12'd2047;
+reg [11:0] rx_ch3_i_cal  = 12'd2047;
+reg [11:0] rx_ch4_i_cal  = -12'd2047;
+reg [11:0] rx_ch4_q_cal  = -12'd2047;
+
+assign rx_ch1_i = ad9361_cal_valid ? rx_ch1_i_data : rx_ch1_i_cal;
+assign rx_ch1_q = ad9361_cal_valid ? rx_ch1_q_data : rx_ch1_q_cal;
+assign rx_ch2_i = ad9361_cal_valid ? rx_ch2_i_data : rx_ch2_i_cal;
+assign rx_ch2_q = ad9361_cal_valid ? rx_ch2_q_data : rx_ch2_q_cal;
+assign rx_ch3_i = ad9361_cal_valid ? rx_ch3_i_data : rx_ch3_i_cal;
+assign rx_ch3_q = ad9361_cal_valid ? rx_ch3_q_data : rx_ch3_q_cal;
+assign rx_ch4_i = ad9361_cal_valid ? rx_ch4_i_data : rx_ch4_i_cal;
+assign rx_ch4_q = ad9361_cal_valid ? rx_ch4_q_data : rx_ch4_q_cal;
+
+initial begin
+    forever begin
+        @(posedge sys_clk)
+        // 校准数据
+        #720
+        rx_ch1_i_cal = ~rx_ch1_i_cal;
+        rx_ch2_i_cal = ~rx_ch2_i_cal;
+        rx_ch3_i_cal = ~rx_ch3_i_cal;
+        rx_ch4_i_cal = ~rx_ch4_i_cal;
+        #240
+        rx_ch1_q_cal = ~rx_ch1_q_cal;
+        rx_ch2_q_cal = ~rx_ch2_q_cal;
+        rx_ch3_q_cal = ~rx_ch3_q_cal;
+        rx_ch4_q_cal = ~rx_ch4_q_cal;
+    end
+end
+
+initial begin
+    r_file_real = $fopen("../xs1_real.csv","r");
+    r_file_imag = $fopen("../xs1_imag.csv","r");
+
+    @(posedge ad9361_cal_valid)
+    #200;
+    #160; // [hop_start_flag_cdc]
+
+    forever begin
+        @(posedge sys_clk)
+        $fscanf(r_file_real,"%d,%d,%d,%d",
+            rx_ch1_i_data,
+            rx_ch2_i_data,
+            rx_ch3_i_data,
+            rx_ch4_i_data);
+        $fscanf(r_file_imag,"%d,%d,%d,%d",
+            rx_ch1_q_data,
+            rx_ch2_q_data,
+            rx_ch3_q_data,
+            rx_ch4_q_data);
+    end
+end
+
+initial begin
+    @(posedge ad9361_cal_valid)
+    #200;
+
+    forever begin
+        @(posedge sys_clk_4x)
+        hop_start_flag = 1'b1;
+        @(posedge sys_clk_4x)
+        hop_start_flag = 1'b0;
+        #((192*200-1)*10); // 200us of 192M clock
+    end
+end
+
+reg weight_stream_valid = 'b0;
+
+always @(negedge accor_stream_valid) begin
+    #((48*50)*40+18); // 50us of 48M clock
+    weight_stream_valid = 'b1;
+    #(FRAME_BITS*20);
+    weight_stream_valid = 'b0;
+end
+
+reg [$clog2(FRAME_BITS)-1 : 0] weight_stream_cnt;
+
+always @(posedge clk_96m) begin
+    if (sys_rst) begin
+        weight_stream_cnt <= 'b0;
+    end
+    else begin
+        weight_stream_cnt <= (weight_stream_valid & ~(weight_stream_cnt == FRAME_BITS - 1)) ? weight_stream_cnt + 1'b1 : 'b0;
+    end
+end
+
+assign weight_stream_data = weight_stream_buf[FRAME_BITS-1-weight_stream_cnt];
+
+endmodule

projects/datalink_814/dl814_k7_beam/testbenches/xs1_imag.csv

@@ -0,0 +1,256 @@
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+1222,1732,766,512
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