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7 Commits
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Author SHA1 Message Date
futh0403 5b38cc73e2 与b2支路合并 
-TailCorr_top.v需要b系数，其它模块做出对应修改
 2025-03-14 14:41:30 +08:00
futh0403 0cfe0c75ce 合并main分支的部分修改 
-尽量避免使用for循环
 2025-03-13 23:06:20 +08:00
dada 601600c760 parameterize modules 2025-03-13 18:51:53 +08:00
dada 928978f034 promote precision to about half LSB 2025-03-13 18:51:31 +08:00
dada 73bc72cfc8 data width of multiplier ports has been modified in order to reduce ovreheads 2025-03-13 18:49:19 +08:00
dada 30cc4e3d35 八路并行，一路超前计算，七路进位链 
2st
 2025-03-13 18:48:39 +08:00
futh0403 e297bf11e3 与基于IP核的分支合并，保留全八路并行的IIR滤波器； 
-diff_p.v中的循环展开，并解决vldo悬空的问题；
-锁存调用FF模块，提高代码可读性；
-解决s2p_2.v组合逻辑出现latch的问题；
-解决tb_z_dsp.v没有matlab代码报错的问题
 2025-03-13 15:58:08 +08:00
22 changed files with 1654 additions and 1393 deletions
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121
rtl/z_dsp/CoefGen.sv
View File

@ -1,36 +1,3 @@
//+FHDR--------------------------------------------------------------------------------------------------------
// Company:
//-----------------------------------------------------------------------------------------------------------------
// File Name : IIR_Filter.v
// Department :
// Author : thfu
// Author's Tel :
//-----------------------------------------------------------------------------------------------------------------
// Relese History
// Version Date Author Description
// 0.4 2024-05-28 thfu
//2024-05-28 10:22:49
//-----------------------------------------------------------------------------------------------------------------
// Keywords :
//
//-----------------------------------------------------------------------------------------------------------------
// Parameter
//
//-----------------------------------------------------------------------------------------------------------------
// Purpose :
//
//-----------------------------------------------------------------------------------------------------------------
// Target Device:
// Tool versions:
//-----------------------------------------------------------------------------------------------------------------
// Reuse Issues
// Reset Strategy:
// Clock Domains:
// Critical Timing:
// Asynchronous I/F:
// Synthesizable (y/n):
// Other:
//-FHDR--------------------------------------------------------------------------------------------------------
module CoefGen #(
parameter data_in_width = 32
,parameter coef_width = 32
@ -67,6 +34,8 @@ module CoefGen #(
,input signed [31:0] b5_im
,output reg signed [31:0] a_re0
,output reg signed [31:0] a_im0
,output reg signed [31:0] b_re0
,output reg signed [31:0] b_im0
,output reg signed [31:0] ab_re0
,output reg signed [31:0] ab_im0
,output reg signed [31:0] abb_re0
@ -85,6 +54,8 @@ module CoefGen #(
,output reg signed [31:0] b_pow8_im0
,output reg signed [31:0] a_re1
,output reg signed [31:0] a_im1
,output reg signed [31:0] b_re1
,output reg signed [31:0] b_im1
,output reg signed [31:0] ab_re1
,output reg signed [31:0] ab_im1
,output reg signed [31:0] abb_re1
@ -103,6 +74,8 @@ module CoefGen #(
,output reg signed [31:0] b_pow8_im1
,output reg signed [31:0] a_re2
,output reg signed [31:0] a_im2
,output reg signed [31:0] b_re2
,output reg signed [31:0] b_im2
,output reg signed [31:0] ab_re2
,output reg signed [31:0] ab_im2
,output reg signed [31:0] abb_re2
@ -121,6 +94,8 @@ module CoefGen #(
,output reg signed [31:0] b_pow8_im2
,output reg signed [31:0] a_re3
,output reg signed [31:0] a_im3
,output reg signed [31:0] b_re3
,output reg signed [31:0] b_im3
,output reg signed [31:0] ab_re3
,output reg signed [31:0] ab_im3
,output reg signed [31:0] abb_re3
@ -139,6 +114,8 @@ module CoefGen #(
,output reg signed [31:0] b_pow8_im3
,output reg signed [31:0] a_re4
,output reg signed [31:0] a_im4
,output reg signed [31:0] b_re4
,output reg signed [31:0] b_im4
,output reg signed [31:0] ab_re4
,output reg signed [31:0] ab_im4
,output reg signed [31:0] abb_re4
@ -157,6 +134,8 @@ module CoefGen #(
,output reg signed [31:0] b_pow8_im4
,output reg signed [31:0] a_re5
,output reg signed [31:0] a_im5
,output reg signed [31:0] b_re5
,output reg signed [31:0] b_im5
,output reg signed [31:0] ab_re5
,output reg signed [31:0] ab_im5
,output reg signed [31:0] abb_re5
@ -178,14 +157,7 @@ module CoefGen #(
reg vldi_or_r1;
wire vldi_or = | vldi;
always @(posedge clk or negedge rstn)begin
if(rstn==1'b0)begin
vldi_or_r1 <= 'h0;
end
else begin
vldi_or_r1 <= vldi_or;
end
end
sirv_gnrl_dffr #(1) dff_vldi_or_1(vldi_or, vldi_or_r1 ,clk,rstn);
reg signed [data_in_width-1:0] a_re_r1;
reg signed [data_in_width-1:0] a_im_r1;
@ -249,6 +221,8 @@ end
reg en;
reg en_r1;
sirv_gnrl_dffr #(1) dff_en_1(en, en_r1 ,clk,rstn);
reg [3:0] cnt0;
wire add_cnt0;
wire end_cnt0;
@ -284,15 +258,6 @@ end
assign en_h = vldi_or == 1 && vldi_or_r1 == 0 && cnt0 == 0;
assign en_l = end_cnt0;
always @(posedge clk or negedge rstn)begin
if(rstn==1'b0)begin
en_r1 <= 'h0;
end
else begin
en_r1 <= en;
end
end
reg signed [data_in_width-1:0] bin_re;
reg signed [data_in_width-1:0] bin_im;
wire signed [data_in_width-1:0] bout_re;
@ -314,7 +279,7 @@ mult_C
,.B_width(data_in_width)
,.C_width(coef_width)
,.D_width(coef_width)
,.frac_coef_width(frac_coef_width)
,.o_width(data_in_width)
)
inst_c1 (
.clk (clk ),
@ -337,7 +302,7 @@ mult_C
,.B_width(data_in_width)
,.C_width(coef_width)
,.D_width(coef_width)
,.frac_coef_width(frac_coef_width)
,.o_width(data_in_width)
)
inst_c2 (
.clk (clk ),
@ -367,6 +332,8 @@ reg signed [coef_width-1 :0] ab_pow6_re_r1 ;
reg signed [coef_width-1 :0] ab_pow6_im_r1 ;
reg signed [coef_width-1 :0] ab_pow7_re_r1 ;
reg signed [coef_width-1 :0] ab_pow7_im_r1 ;
reg signed [coef_width-1 :0] bo_re_r1 ;
reg signed [coef_width-1 :0] bo_im_r1 ;
reg signed [coef_width-1 :0] b_pow8_re_r1 ;
reg signed [coef_width-1 :0] b_pow8_im_r1 ;
@ -394,6 +361,8 @@ always @(posedge clk or negedge rstn)begin
else if(add_cnt0 && cnt0 == 1 && en_r1)begin
ao_re_r1 <= abo_re;
ao_im_r1 <= abo_im;
bo_re_r1 <= bin_re;
bo_im_r1 <= bin_im;
end
else if(add_cnt0 && cnt0 == 2 && en_r1)begin
ab_re_r1 <= abo_re;
@ -429,13 +398,33 @@ always @(posedge clk or negedge rstn)begin
// end
end
reg [5:0] vldi_r1;
reg [5:0] vldi_r2;
reg [5:0] vldi_r3;
reg [5:0] vldi_r4;
reg [5:0] vldi_r5;
reg [5:0] vldi_r6;
reg [5:0] vldi_r7;
reg [5:0] vldi_r8;
reg [5:0] vldi_r9;
reg [5:0] vldi_r10;
syncer #(6, 10) sync_vldo_syncer (clk, rstn, vldi, vldi_r10);
//syncer #(6, 10) sync_vldo_syncer (clk, rstn, vldi, vldi_r10);
sirv_gnrl_dffr #(6) dff_vldi_1(vldi,vldi_r1,clk,rstn);
sirv_gnrl_dffr #(6) dff_vldi_2(vldi_r1, vldi_r2 ,clk,rstn);
sirv_gnrl_dffr #(6) dff_vldi_3(vldi_r2, vldi_r3 ,clk,rstn);
sirv_gnrl_dffr #(6) dff_vldi_4(vldi_r3, vldi_r4 ,clk,rstn);
sirv_gnrl_dffr #(6) dff_vldi_5(vldi_r4, vldi_r5 ,clk,rstn);
sirv_gnrl_dffr #(6) dff_vldi_6(vldi_r5, vldi_r6 ,clk,rstn);
sirv_gnrl_dffr #(6) dff_vldi_7(vldi_r6, vldi_r7 ,clk,rstn);
sirv_gnrl_dffr #(6) dff_vldi_8(vldi_r7, vldi_r8 ,clk,rstn);
sirv_gnrl_dffr #(6) dff_vldi_9(vldi_r8, vldi_r9 ,clk,rstn);
sirv_gnrl_dffr #(6) dff_vldi_10(vldi_r9, vldi_r10,clk,rstn);
always @(posedge clk or negedge rstn) begin
if(rstn == 1'b0) begin
a_re0 <= 0;
a_im0 <= 0;
b_re0 <= 0;
b_im0 <= 0;
ab_re0 <= 0;
ab_im0 <= 0;
abb_re0 <= 0;
@ -454,6 +443,8 @@ always @(posedge clk or negedge rstn) begin
b_pow8_im0 <= 0;
a_re1 <= 0;
a_im1 <= 0;
b_re1 <= 0;
b_im1 <= 0;
ab_re1 <= 0;
ab_im1 <= 0;
abb_re1 <= 0;
@ -472,6 +463,8 @@ always @(posedge clk or negedge rstn) begin
b_pow8_im1 <= 0;
a_re2 <= 0;
a_im2 <= 0;
b_re2 <= 0;
b_im2 <= 0;
ab_re2 <= 0;
ab_im2 <= 0;
abb_re2 <= 0;
@ -490,6 +483,8 @@ always @(posedge clk or negedge rstn) begin
b_pow8_im2 <= 0;
a_re3 <= 0;
a_im3 <= 0;
b_re3 <= 0;
b_im3 <= 0;
ab_re3 <= 0;
ab_im3 <= 0;
abb_re3 <= 0;
@ -508,6 +503,8 @@ always @(posedge clk or negedge rstn) begin
b_pow8_im3 <= 0;
a_re4 <= 0;
a_im4 <= 0;
b_re4 <= 0;
b_im4 <= 0;
ab_re4 <= 0;
ab_im4 <= 0;
abb_re4 <= 0;
@ -526,6 +523,8 @@ always @(posedge clk or negedge rstn) begin
b_pow8_im4 <= 0;
a_re5 <= 0;
a_im5 <= 0;
b_re5 <= 0;
b_im5 <= 0;
ab_re5 <= 0;
ab_im5 <= 0;
abb_re5 <= 0;
@ -548,6 +547,8 @@ always @(posedge clk or negedge rstn) begin
vldi_r10[0]: begin
a_re0 <= ao_re_r1 ;
a_im0 <= ao_im_r1 ;
b_re0 <= bo_re_r1 ;
b_im0 <= bo_im_r1 ;
ab_re0 <= ab_re_r1 ;
ab_im0 <= ab_im_r1 ;
abb_re0 <= abb_re_r1 ;
@ -568,6 +569,8 @@ always @(posedge clk or negedge rstn) begin
vldi_r10[1]: begin
a_re1 <= ao_re_r1 ;
a_im1 <= ao_im_r1 ;
b_re1 <= bo_re_r1 ;
b_im1 <= bo_im_r1 ;
ab_re1 <= ab_re_r1 ;
ab_im1 <= ab_im_r1 ;
abb_re1 <= abb_re_r1 ;
@ -588,6 +591,8 @@ always @(posedge clk or negedge rstn) begin
vldi_r10[2]: begin
a_re2 <= ao_re_r1 ;
a_im2 <= ao_im_r1 ;
b_re2 <= bo_re_r1 ;
b_im2 <= bo_im_r1 ;
ab_re2 <= ab_re_r1 ;
ab_im2 <= ab_im_r1 ;
abb_re2 <= abb_re_r1 ;
@ -608,6 +613,8 @@ always @(posedge clk or negedge rstn) begin
vldi_r10[3]: begin
a_re3 <= ao_re_r1 ;
a_im3 <= ao_im_r1 ;
b_re3 <= bo_re_r1 ;
b_im3 <= bo_im_r1 ;
ab_re3 <= ab_re_r1 ;
ab_im3 <= ab_im_r1 ;
abb_re3 <= abb_re_r1 ;
@ -628,6 +635,8 @@ always @(posedge clk or negedge rstn) begin
vldi_r10[4]: begin
a_re4 <= ao_re_r1 ;
a_im4 <= ao_im_r1 ;
b_re4 <= bo_re_r1 ;
b_im4 <= bo_im_r1 ;
ab_re4 <= ab_re_r1 ;
ab_im4 <= ab_im_r1 ;
abb_re4 <= abb_re_r1 ;
@ -647,7 +656,9 @@ always @(posedge clk or negedge rstn) begin
end
vldi_r10[5]: begin
a_re5 <= ao_re_r1 ;
a_im5 <= ao_im_r1 ;
a_re5 <= ao_re_r1 ;
b_im5 <= bo_im_r1 ;
b_im5 <= bo_im_r1 ;
ab_re5 <= ab_re_r1 ;
ab_im5 <= ab_im_r1 ;
abb_re5 <= abb_re_r1 ;

38
rtl/z_dsp/FixRound.v
View File

@ -1,38 +0,0 @@
module FixRound #(
parameter integer Data_width = 8
,parameter integer Fix_frac_coef_width = 31//division
)
(
input clk
,input rstn
,input en
,input signed [Data_width-1:0] din
,output signed [Data_width-1:0] dout
);
reg signed [Data_width-1:0] din_round;
always@(posedge clk or negedge rstn)
if(!rstn)
begin
din_round <= 'h0;
end
else if(en) begin
if(din[Data_width-1] == 1'b0)
begin
din_round <= din + {{1'b1},{(Fix_frac_coef_width-1){1'b0}}};
end
else if (din[Data_width-1] == 1'b1)
begin
din_round <= din + {{1'b1},{(Fix_frac_coef_width-1){1'b0}}} - 1'b1;
end
end
else begin
din_round <= din_round;
end
assign dout = din_round;
endmodule

132
rtl/z_dsp/IIR_Filter_p1.v Normal file
View File

@ -0,0 +1,132 @@
//+FHDR--------------------------------------------------------------------------------------------------------
// Company:
//-----------------------------------------------------------------------------------------------------------------
// File Name : IIR_Filter_p1.v
// Department :
// Author : hdzhang
// Author's Tel :
//-----------------------------------------------------------------------------------------------------------------
// Relese History
// Version Date Author Description
// 0.0 2025-03-09 hdzhang
//2024-05-28 10:22:49
//-----------------------------------------------------------------------------------------------------------------
// Keywords :
//
//-----------------------------------------------------------------------------------------------------------------
// Parameter
//
//-----------------------------------------------------------------------------------------------------------------
// Purpose :
//
//-----------------------------------------------------------------------------------------------------------------
// Target Device:
// Tool versions:
//-----------------------------------------------------------------------------------------------------------------
// Reuse Issues
// Reset Strategy:
// Clock Domains:
// Critical Timing:
// Asynchronous I/F:
// Synthesizable (y/n):
// Other:
//-FHDR--------------------------------------------------------------------------------------------------------
module IIR_Filter_p1 #(
parameter coef_width = 32
,parameter data_in_width = 16
,parameter cascade_in_width = 37
,parameter temp_var_width = cascade_in_width - 1
,parameter data_out_width = cascade_in_width - 2
)
//H(z) = a / (1 - b*z^-1)
(
input rstn
,input clk
,input en
,input signed [data_in_width-1 :0] din_re // Re(x(t))
,input signed [cascade_in_width-1:0] dout_r1_re // Re(y(t-1))
,input signed [cascade_in_width-1:0] dout_r1_im // Im(y(t-1))
,input signed [coef_width-1 :0] a_re
,input signed [coef_width-1 :0] a_im
,input signed [coef_width-1 :0] b_re
,input signed [coef_width-1 :0] b_im
,output signed [data_out_width-1:0] dout_re // Re(y(t-16))
,output signed [data_out_width-1:0] dout_im // Im(y(t-16))
);
wire signed [temp_var_width-1 :0] x1_re;
wire signed [temp_var_width-1 :0] x1_im;
wire signed [temp_var_width-1 :0] y1_re;
wire signed [temp_var_width-1 :0] y1_im;
wire signed [temp_var_width :0] y_re;
wire signed [temp_var_width :0] y_im;
wire signed [data_out_width-1:0] y_re_trunc;
wire signed [data_out_width-1:0] y_im_trunc;
// x1 = a * din delay M = a*x(t-8)
mult_x
#(
.A_width (data_in_width )
,.C_width (coef_width )
,.D_width (coef_width )
,.o_width (temp_var_width )
)
inst_c1 (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.a (din_re ),
.c (a_re ),
.d (a_im ),
.Re (x1_re ),
.Im (x1_im )
);
// y1 = b * dout_r1 delay M = b*y(t-9)
// y = y1+x1 = a*x(t-8)+b*y(t-9) = y(t-8)
mult_C
#(
.A_width (cascade_in_width )
,.B_width (cascade_in_width )
,.C_width (coef_width )
,.D_width (coef_width )
,.o_width (temp_var_width )
)
inst_c3 (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.a (dout_r1_re ),
.b (dout_r1_im ),
.c (b_re ),
.d (b_im ),
.Re (y1_re ),
.Im (y1_im )
);
assign y_re = x1_re + y1_re;
assign y_im = x1_im + y1_im;
// dout = round(y) delay M = round(y(t-16))
trunc #(
.diw (temp_var_width+1 )
,.msb (temp_var_width-1 )
,.lsb (temp_var_width-data_out_width )
) round_u1 (clk, rstn, en, y_re, y_re_trunc);
trunc #(
.diw (temp_var_width+1 )
,.msb (temp_var_width-1 )
,.lsb (temp_var_width-data_out_width )
) round_u2 (clk, rstn, en, y_im, y_im_trunc);
assign dout_re = y_re_trunc;
assign dout_im = y_im_trunc;
endmodule

248
rtl/z_dsp/IIR_Filter_p8.v
View File

@ -1,75 +1,44 @@
//+FHDR--------------------------------------------------------------------------------------------------------
// Company:
//-----------------------------------------------------------------------------------------------------------------
// File Name : IIR_Filter.v
// Department :
// Author : thfu
// Author's Tel :
//-----------------------------------------------------------------------------------------------------------------
// Relese History
// Version Date Author Description
// 0.4 2024-05-28 thfu
//2024-05-28 10:22:49
//-----------------------------------------------------------------------------------------------------------------
// Keywords :
//
//-----------------------------------------------------------------------------------------------------------------
// Parameter
//
//-----------------------------------------------------------------------------------------------------------------
// Purpose :
//
//-----------------------------------------------------------------------------------------------------------------
// Target Device:
// Tool versions:
//-----------------------------------------------------------------------------------------------------------------
// Reuse Issues
// Reset Strategy:
// Clock Domains:
// Critical Timing:
// Asynchronous I/F:
// Synthesizable (y/n):
// Other:
//-FHDR--------------------------------------------------------------------------------------------------------
module IIR_Filter_p8 #(
parameter data_in_width = 16
,parameter coef_width = 32
,parameter frac_data_out_width = 20//X for in,5
,parameter frac_coef_width = 31//division
parameter coef_width = 32
,parameter data_in_width = 16
,parameter data_out_width = 37
,parameter temp_var_width = data_out_width+5
)
// H(z) = a(1 + b*z^-1 + b^2*z^-2 + b^3*z^-3 + b^4*z^-4 + b^5*z^-5 + b^6*z^-6 + b^7*z^-7) / (1 - b^8*z^-8)
(
input rstn
,input clk
,input en
,input signed [data_in_width-1:0] dinp0
,input signed [data_in_width-1:0] dinp1
,input signed [data_in_width-1:0] dinp2
,input signed [data_in_width-1:0] dinp3
,input signed [data_in_width-1:0] dinp4
,input signed [data_in_width-1:0] dinp5
,input signed [data_in_width-1:0] dinp6
,input signed [data_in_width-1:0] dinp7
,input signed [data_in_width-1 :0] dinp0 //x(8n+16)
,input signed [data_in_width-1 :0] dinp1 //x(8n+15)
,input signed [data_in_width-1 :0] dinp2 //x(8n+14)
,input signed [data_in_width-1 :0] dinp3 //x(8n+13)
,input signed [data_in_width-1 :0] dinp4 //x(8n+12)
,input signed [data_in_width-1 :0] dinp5 //x(8n+11)
,input signed [data_in_width-1 :0] dinp6 //x(8n+10)
,input signed [data_in_width-1 :0] dinp7 //x(8n+9)
,input signed [coef_width-1 :0] a_re
,input signed [coef_width-1 :0] a_im
,input signed [coef_width-1 :0] ab_re
,input signed [coef_width-1 :0] ab_im
,input signed [coef_width-1 :0] abb_re
,input signed [coef_width-1 :0] abb_im
,input signed [coef_width-1 :0] ab_pow3_re
,input signed [coef_width-1 :0] ab_pow3_im
,input signed [coef_width-1 :0] ab_pow4_re
,input signed [coef_width-1 :0] ab_pow4_im
,input signed [coef_width-1 :0] ab_pow5_re
,input signed [coef_width-1 :0] ab_pow5_im
,input signed [coef_width-1 :0] ab_pow6_re
,input signed [coef_width-1 :0] ab_pow6_im
,input signed [coef_width-1 :0] ab_pow7_re
,input signed [coef_width-1 :0] ab_pow7_im
,input signed [coef_width-1 :0] a_re
,input signed [coef_width-1 :0] a_im
,input signed [coef_width-1 :0] ab_re
,input signed [coef_width-1 :0] ab_im
,input signed [coef_width-1 :0] abb_re
,input signed [coef_width-1 :0] abb_im
,input signed [coef_width-1 :0] ab_pow3_re
,input signed [coef_width-1 :0] ab_pow3_im
,input signed [coef_width-1 :0] ab_pow4_re
,input signed [coef_width-1 :0] ab_pow4_im
,input signed [coef_width-1 :0] ab_pow5_re
,input signed [coef_width-1 :0] ab_pow5_im
,input signed [coef_width-1 :0] ab_pow6_re
,input signed [coef_width-1 :0] ab_pow6_im
,input signed [coef_width-1 :0] ab_pow7_re
,input signed [coef_width-1 :0] ab_pow7_im
,input signed [coef_width-1 :0] b_pow8_re
,input signed [coef_width-1 :0] b_pow8_im
,output signed [data_in_width-1:0] dout
,input signed [coef_width-1 :0] b_pow8_re
,input signed [coef_width-1 :0] b_pow8_im
,output signed [data_out_width-1:0] dout_re // Re(y(8n-8))
,output signed [data_out_width-1:0] dout_im // Im(y(8n-8))
);
wire signed [data_in_width-1 :0] dinp [7:0];
@ -102,39 +71,57 @@ assign ab_pow_im[2] = abb_im;
assign ab_pow_im[1] = ab_im;
assign ab_pow_im[0] = a_im;
wire signed [data_in_width+frac_data_out_width-1:0] x_re [0:7];
wire signed [data_in_width+frac_data_out_width-1:0] x_im [0:7];
wire signed [temp_var_width-1 :0] x_re [0:7];
wire signed [temp_var_width-1 :0] x_im [0:7];
wire signed [temp_var_width+3 :0] v_re;
wire signed [temp_var_width+3 :0] v_im;
reg signed [temp_var_width+3 :0] v1_re;
reg signed [temp_var_width+3 :0] v1_im;
wire signed [temp_var_width+3 :0] y_re;
wire signed [temp_var_width+3 :0] y_im;
wire signed [temp_var_width+3 :0] y1_re;
wire signed [temp_var_width+3 :0] y1_im;
wire signed [data_out_width-1:0] y_re_trunc;
wire signed [data_out_width-1:0] y_im_trunc;
// x[0] = (dinp0 * a_re) delay M = a*x(8n+8)
// x[1] = (dinp1 * ab_re) delay M = a*b*x(8n+7)
// x[2] = (dinp2 * abb_re) delay M = a*b^2*x(8n+6)
// x[3] = (dinp3 * ab_pow3_re) delay M = a*b^3*x(8n+5)
// x[4] = (dinp4 * ab_pow4_re) delay M = a*b^4*x(8n+4)
// x[5] = (dinp5 * ab_pow5_re) delay M = a*b^5*x(8n+3)
// x[6] = (dinp6 * ab_pow6_re) delay M = a*b^6*x(8n+2)
// x[7] = (dinp7 * ab_pow7_re) delay M = a*b^7*x(8n+1)
genvar i;
generate
for (i = 0; i < 8; i = i + 1) begin: mult_x_inst
for (i = 0; i < 8; i = i + 1) begin: mult_c_inst
mult_x #(
.A_width(data_in_width),
.C_width(coef_width+frac_data_out_width),
.D_width(coef_width+frac_data_out_width),
.frac_coef_width(frac_coef_width)
) inst_mult_x (
.clk (clk),
.rstn (rstn),
.en (en),
.a (dinp[i]),
.c ({ab_pow_re[i],{frac_data_out_width{1'b0}}}),
.d ({ab_pow_im[i],{frac_data_out_width{1'b0}}}),
.Re (x_re[i]),
.Im (x_im[i])
.A_width (data_in_width ),
.C_width (coef_width ),
.D_width (coef_width ),
.o_width (temp_var_width )
) inst_c (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.a (dinp[i] ),
.c (ab_pow_re[i] ),
.d (ab_pow_im[i] ),
.Re (x_re[i] ),
.Im (x_im[i] )
);
end
endgenerate
wire signed [data_in_width+frac_data_out_width+3:0] v_re;
wire signed [data_in_width+frac_data_out_width+3:0] v_im;
// v1 = sum_{i=0,1,...,7}{x[i]} delay M = sum_{i=0,1,...,7}{a*b^i*x(8n-i)}
assign v_re = x_re[0] + x_re[1] +x_re[2] +x_re[3] +x_re[4] +x_re[5] +x_re[6] +x_re[7];
assign v_im = x_im[0] + x_im[1] +x_im[2] +x_im[3] +x_im[4] +x_im[5] +x_im[6] +x_im[7];
reg signed [data_in_width+frac_data_out_width+3:0] v1_re;
reg signed [data_in_width+frac_data_out_width+3:0] v1_im;
always @(posedge clk or negedge rstn)
if (!rstn)
begin
@ -152,76 +139,47 @@ always @(posedge clk or negedge rstn)
v1_im <= v1_im;
end
wire signed [data_in_width+frac_data_out_width+3:0] y_re;
wire signed [data_in_width+frac_data_out_width+3:0] y_im;
wire signed [data_in_width+frac_data_out_width+3:0] y1_re;
wire signed [data_in_width+frac_data_out_width+3:0] y1_im;
reg signed [data_in_width-1:0] dout_re;
// y1 = (b^8 * y) delay M = b^8*y(8n-8)
// y = v1 + y1 = sum_{i=0,1,...,7}{a*b^i*x(8n-i)} + b^8*y(8n-8) = y(8n)
mult_C
#(
.A_width(data_in_width+frac_data_out_width+4)
,.B_width(data_in_width+frac_data_out_width+4)
,.C_width(coef_width)
,.D_width(coef_width)
,.frac_coef_width(frac_coef_width)
.A_width (temp_var_width+4 )
,.B_width (temp_var_width+4 )
,.C_width (coef_width )
,.D_width (coef_width )
,.o_width (temp_var_width+4 )
)
inst_c9 (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.a (y_re ),
.b (y_im ),
.c (b_pow8_re ),
.d (b_pow8_im ),
.Re (y1_re ),//b^8*y(n-1)
.Im (y1_im )
);
inst_c9 (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.a (y_re ),
.b (y_im ),
.c (b_pow8_re ),
.d (b_pow8_im ),
.Re (y1_re ),
.Im (y1_im )
);
assign y_re = v1_re + y1_re;
assign y_im = v1_im + y1_im;
wire signed [data_in_width+frac_data_out_width+3:0] dout_round;
// dout = round(y) delay M = round(y(8n-8))
trunc #(
.diw (temp_var_width+4 )
,.msb (temp_var_width-1 )
,.lsb (temp_var_width-data_out_width )
) round_u1 (clk, rstn, en, y_re, y_re_trunc);
trunc #(
.diw (temp_var_width+4 )
,.msb (temp_var_width-1 )
,.lsb (temp_var_width-data_out_width )
) round_u2 (clk, rstn, en, y_im, y_im_trunc);
FixRound #(data_in_width+frac_data_out_width+4,frac_data_out_width) u_round1 (clk, rstn, en, y_re, dout_round);
always @(posedge clk or negedge rstn)
if (!rstn)
begin
dout_re <= 'h0;
end
else if(en)
begin
dout_re <= dout_round[frac_data_out_width+15:frac_data_out_width];
end
else
begin
dout_re <= dout_re;
end
reg signed [data_in_width-1:0] dout_clip;
always @(posedge clk or negedge rstn)
if (!rstn)
begin
dout_clip <= 'h0;
end
else if(en)
begin
if(dout_round[frac_data_out_width+16:frac_data_out_width+15]==2'b01)
dout_clip <= 16'd32767;
else if(dout_round[frac_data_out_width+16:frac_data_out_width+15]==2'b10)
dout_clip <= -16'd32768;
else
dout_clip <= dout_re;
end
else
begin
dout_clip <= dout_clip;
end
assign dout = dout_clip;
assign dout_re = y_re_trunc;
assign dout_im = y_im_trunc;
endmodule

570
rtl/z_dsp/IIR_top.v
View File

@ -1,360 +1,234 @@
//+FHDR--------------------------------------------------------------------------------------------------------
// Company:
//-----------------------------------------------------------------------------------------------------------------
// File Name : TailCorr_top.v
// Department :
// Author : thfu
// Author's Tel :
//-----------------------------------------------------------------------------------------------------------------
// Relese History
// Version Date Author Description
// 0.3 2024-05-15 thfu
//-----------------------------------------------------------------------------------------------------------------
// Keywords :
//
//-----------------------------------------------------------------------------------------------------------------
// Parameter
//
//-----------------------------------------------------------------------------------------------------------------
// Purpose :
//
//-----------------------------------------------------------------------------------------------------------------
// Target Device:
// Tool versions:
//-----------------------------------------------------------------------------------------------------------------
// Reuse Issues
// Reset Strategy:
// Clock Domains:
// Critical Timing:
// Asynchronous I/F:
// Synthesizable (y/n):
// Other:
//-FHDR--------------------------------------------------------------------------------------------------------
module IIR_top
module IIR_top #(
parameter data_out_width = 23
,parameter temp_var_width = data_out_width + 14
)
(
input rstn
,input clk
,input en
,input signed [15 :0] IIRin_p0
,input signed [15 :0] IIRin_p1
,input signed [15 :0] IIRin_p2
,input signed [15 :0] IIRin_p3
,input signed [15 :0] IIRin_p4
,input signed [15 :0] IIRin_p5
,input signed [15 :0] IIRin_p6
,input signed [15 :0] IIRin_p7
,input signed [31 :0] a_re
,input signed [31 :0] a_im
,input signed [31 :0] ab_re
,input signed [31 :0] ab_im
,input signed [31 :0] abb_re
,input signed [31 :0] abb_im
,input signed [31 :0] ab_pow3_re
,input signed [31 :0] ab_pow3_im
,input signed [31 :0] ab_pow4_re
,input signed [31 :0] ab_pow4_im
,input signed [31 :0] ab_pow5_re
,input signed [31 :0] ab_pow5_im
,input signed [31 :0] ab_pow6_re
,input signed [31 :0] ab_pow6_im
,input signed [31 :0] ab_pow7_re
,input signed [31 :0] ab_pow7_im
,input signed [31 :0] b_pow8_re
,input signed [31 :0] b_pow8_im
,input signed [15 :0] IIRin_p0 // x(8n+9)
,input signed [15 :0] IIRin_p1 // x(8n+10)
,input signed [15 :0] IIRin_p2 // x(8n+11)
,input signed [15 :0] IIRin_p3 // x(8n+12)
,input signed [15 :0] IIRin_p4 // x(8n+13)
,input signed [15 :0] IIRin_p5 // x(8n+14)
,input signed [15 :0] IIRin_p6 // x(8n+15)
,input signed [15 :0] IIRin_p7 // x(8n+16)
,input signed [15 :0] IIRin_p0_r2 // x(8n+9) delay 2M -> x(8n- 7)
,input signed [15 :0] IIRin_p1_r4 // x(8n+10) delay 4M -> x(8n-22)
,input signed [15 :0] IIRin_p2_r6 // x(8n+11) delay 6M -> x(8n-37)
,input signed [15 :0] IIRin_p3_r8 // x(8n+12) delay 8M -> x(8n-52)
,input signed [15 :0] IIRin_p4_r10 // x(8n+13) delay 10M -> x(8n-67)
,input signed [15 :0] IIRin_p5_r12 // x(8n+14) delay 12M -> x(8n-82)
,input signed [15 :0] IIRin_p6_r14 // x(8n+15) delay 14M -> x(8n-97)
,input signed [31 :0] a_re
,input signed [31 :0] a_im
,input signed [31 :0] b_re
,input signed [31 :0] b_im
,input signed [31 :0] ab_re
,input signed [31 :0] ab_im
,input signed [31 :0] abb_re
,input signed [31 :0] abb_im
,input signed [31 :0] ab_pow3_re
,input signed [31 :0] ab_pow3_im
,input signed [31 :0] ab_pow4_re
,input signed [31 :0] ab_pow4_im
,input signed [31 :0] ab_pow5_re
,input signed [31 :0] ab_pow5_im
,input signed [31 :0] ab_pow6_re
,input signed [31 :0] ab_pow6_im
,input signed [31 :0] ab_pow7_re
,input signed [31 :0] ab_pow7_im
,input signed [31 :0] b_pow8_re
,input signed [31 :0] b_pow8_im
,output signed [15 :0] IIRout_p0
,output signed [15 :0] IIRout_p1
,output signed [15 :0] IIRout_p2
,output signed [15 :0] IIRout_p3
,output signed [15 :0] IIRout_p4
,output signed [15 :0] IIRout_p5
,output signed [15 :0] IIRout_p6
,output signed [15 :0] IIRout_p7
);
reg signed [15:0] IIRin_p_r1 [7:1];
wire signed [15 : 0] IIRin_p [7:0];
assign IIRin_p[7] = IIRin_p7;
assign IIRin_p[6] = IIRin_p6;
assign IIRin_p[5] = IIRin_p5;
assign IIRin_p[4] = IIRin_p4;
assign IIRin_p[3] = IIRin_p3;
assign IIRin_p[2] = IIRin_p2;
assign IIRin_p[1] = IIRin_p1;
assign IIRin_p[0] = IIRin_p0;
integer i;
always @(posedge clk or negedge rstn) begin
if (!rstn) begin
for (i = 1; i < 8; i = i + 1) begin
IIRin_p_r1[i] <= 'h0;
end
end
else if (en) begin
for (i = 1; i < 8; i = i + 1) begin
IIRin_p_r1[i] <= IIRin_p[i];
end
end
end
,output signed [data_out_width-1 :0] IIRout_p0 // y(8n-8)
,output signed [data_out_width-1 :0] IIRout_p1 // y(8n-23)
,output signed [data_out_width-1 :0] IIRout_p2 // y(8n-38)
,output signed [data_out_width-1 :0] IIRout_p3 // y(8n-53)
,output signed [data_out_width-1 :0] IIRout_p4 // y(8n-68)
,output signed [data_out_width-1 :0] IIRout_p5 // y(8n-83)
,output signed [data_out_width-1 :0] IIRout_p6 // y(8n-98)
,output signed [data_out_width-1 :0] IIRout_p7 // y(8n-113)
);
wire signed [temp_var_width- 1:0] IIRout_p0_re;
wire signed [temp_var_width- 3:0] IIRout_p1_re;
wire signed [temp_var_width- 5:0] IIRout_p2_re;
wire signed [temp_var_width- 7:0] IIRout_p3_re;
wire signed [temp_var_width- 9:0] IIRout_p4_re;
wire signed [temp_var_width-11:0] IIRout_p5_re;
wire signed [temp_var_width-13:0] IIRout_p6_re;
wire signed [temp_var_width-15:0] IIRout_p7_re;
wire signed [temp_var_width- 1:0] IIRout_p0_im;
wire signed [temp_var_width- 3:0] IIRout_p1_im;
wire signed [temp_var_width- 5:0] IIRout_p2_im;
wire signed [temp_var_width- 7:0] IIRout_p3_im;
wire signed [temp_var_width- 9:0] IIRout_p4_im;
wire signed [temp_var_width-11:0] IIRout_p5_im;
wire signed [temp_var_width-13:0] IIRout_p6_im;
wire signed [temp_var_width-15:0] IIRout_p7_im;
IIR_Filter_p8 inst_iir_p0 (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.dinp0 (IIRin_p[0] ),
.dinp1 (IIRin_p_r1[7] ),
.dinp2 (IIRin_p_r1[6] ),
.dinp3 (IIRin_p_r1[5] ),
.dinp4 (IIRin_p_r1[4] ),
.dinp5 (IIRin_p_r1[3] ),
.dinp6 (IIRin_p_r1[2] ),
.dinp7 (IIRin_p_r1[1] ),
.a_re (a_re ),
.a_im (a_im ),
.ab_re (ab_re ),
.ab_im (ab_im ),
.abb_re (abb_re ),
.abb_im (abb_im ),
.ab_pow3_re (ab_pow3_re ),
.ab_pow3_im (ab_pow3_im ),
.ab_pow4_re (ab_pow4_re ),
.ab_pow4_im (ab_pow4_im ),
.ab_pow5_re (ab_pow5_re ),
.ab_pow5_im (ab_pow5_im ),
.ab_pow6_re (ab_pow6_re ),
.ab_pow6_im (ab_pow6_im ),
.ab_pow7_re (ab_pow7_re ),
.ab_pow7_im (ab_pow7_im ),
.b_pow8_re (b_pow8_re ),
.b_pow8_im (b_pow8_im ),
.dout (IIRout_p0 )
);
IIR_Filter_p8 inst_iir_p1 (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.dinp0 (IIRin_p[1] ),
.dinp1 (IIRin_p[0] ),
.dinp2 (IIRin_p_r1[7] ),
.dinp3 (IIRin_p_r1[6] ),
.dinp4 (IIRin_p_r1[5] ),
.dinp5 (IIRin_p_r1[4] ),
.dinp6 (IIRin_p_r1[3] ),
.dinp7 (IIRin_p_r1[2] ),
.a_re (a_re ),
.a_im (a_im ),
.ab_re (ab_re ),
.ab_im (ab_im ),
.abb_re (abb_re ),
.abb_im (abb_im ),
.ab_pow3_re (ab_pow3_re ),
.ab_pow3_im (ab_pow3_im ),
.ab_pow4_re (ab_pow4_re ),
.ab_pow4_im (ab_pow4_im ),
.ab_pow5_re (ab_pow5_re ),
.ab_pow5_im (ab_pow5_im ),
.ab_pow6_re (ab_pow6_re ),
.ab_pow6_im (ab_pow6_im ),
.ab_pow7_re (ab_pow7_re ),
.ab_pow7_im (ab_pow7_im ),
.b_pow8_re (b_pow8_re ),
.b_pow8_im (b_pow8_im ),
.dout (IIRout_p1 )
);
IIR_Filter_p8 inst_iir_p2 (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.dinp0 (IIRin_p[2] ),
.dinp1 (IIRin_p[1] ),
.dinp2 (IIRin_p[0] ),
.dinp3 (IIRin_p_r1[7] ),
.dinp4 (IIRin_p_r1[6] ),
.dinp5 (IIRin_p_r1[5] ),
.dinp6 (IIRin_p_r1[4] ),
.dinp7 (IIRin_p_r1[3] ),
.a_re (a_re ),
.a_im (a_im ),
.ab_re (ab_re ),
.ab_im (ab_im ),
.abb_re (abb_re ),
.abb_im (abb_im ),
.ab_pow3_re (ab_pow3_re ),
.ab_pow3_im (ab_pow3_im ),
.ab_pow4_re (ab_pow4_re ),
.ab_pow4_im (ab_pow4_im ),
.ab_pow5_re (ab_pow5_re ),
.ab_pow5_im (ab_pow5_im ),
.ab_pow6_re (ab_pow6_re ),
.ab_pow6_im (ab_pow6_im ),
.ab_pow7_re (ab_pow7_re ),
.ab_pow7_im (ab_pow7_im ),
.b_pow8_re (b_pow8_re ),
.b_pow8_im (b_pow8_im ),
.dout (IIRout_p2 )
);
IIR_Filter_p8 inst_iir_p3 (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.dinp0 (IIRin_p[3] ),
.dinp1 (IIRin_p[2] ),
.dinp2 (IIRin_p[1] ),
.dinp3 (IIRin_p[0] ),
.dinp4 (IIRin_p_r1[7] ),
.dinp5 (IIRin_p_r1[6] ),
.dinp6 (IIRin_p_r1[5] ),
.dinp7 (IIRin_p_r1[4] ),
.a_re (a_re ),
.a_im (a_im ),
.ab_re (ab_re ),
.ab_im (ab_im ),
.abb_re (abb_re ),
.abb_im (abb_im ),
.ab_pow3_re (ab_pow3_re ),
.ab_pow3_im (ab_pow3_im ),
.ab_pow4_re (ab_pow4_re ),
.ab_pow4_im (ab_pow4_im ),
.ab_pow5_re (ab_pow5_re ),
.ab_pow5_im (ab_pow5_im ),
.ab_pow6_re (ab_pow6_re ),
.ab_pow6_im (ab_pow6_im ),
.ab_pow7_re (ab_pow7_re ),
.ab_pow7_im (ab_pow7_im ),
.b_pow8_re (b_pow8_re ),
.b_pow8_im (b_pow8_im ),
.dout (IIRout_p3 )
);
IIR_Filter_p8 inst_iir_p4 (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.dinp0 (IIRin_p[4] ),
.dinp1 (IIRin_p[3] ),
.dinp2 (IIRin_p[2] ),
.dinp3 (IIRin_p[1] ),
.dinp4 (IIRin_p[0] ),
.dinp5 (IIRin_p_r1[7] ),
.dinp6 (IIRin_p_r1[6] ),
.dinp7 (IIRin_p_r1[5] ),
.a_re (a_re ),
.a_im (a_im ),
.ab_re (ab_re ),
.ab_im (ab_im ),
.abb_re (abb_re ),
.abb_im (abb_im ),
.ab_pow3_re (ab_pow3_re ),
.ab_pow3_im (ab_pow3_im ),
.ab_pow4_re (ab_pow4_re ),
.ab_pow4_im (ab_pow4_im ),
.ab_pow5_re (ab_pow5_re ),
.ab_pow5_im (ab_pow5_im ),
.ab_pow6_re (ab_pow6_re ),
.ab_pow6_im (ab_pow6_im ),
.ab_pow7_re (ab_pow7_re ),
.ab_pow7_im (ab_pow7_im ),
.b_pow8_re (b_pow8_re ),
.b_pow8_im (b_pow8_im ),
.dout (IIRout_p4 )
);
IIR_Filter_p8 inst_iir_p5 (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.dinp0 (IIRin_p[5] ),
.dinp1 (IIRin_p[4] ),
.dinp2 (IIRin_p[3] ),
.dinp3 (IIRin_p[2] ),
.dinp4 (IIRin_p[1] ),
.dinp5 (IIRin_p[0] ),
.dinp6 (IIRin_p_r1[7] ),
.dinp7 (IIRin_p_r1[6] ),
.a_re (a_re ),
.a_im (a_im ),
.ab_re (ab_re ),
.ab_im (ab_im ),
.abb_re (abb_re ),
.abb_im (abb_im ),
.ab_pow3_re (ab_pow3_re ),
.ab_pow3_im (ab_pow3_im ),
.ab_pow4_re (ab_pow4_re ),
.ab_pow4_im (ab_pow4_im ),
.ab_pow5_re (ab_pow5_re ),
.ab_pow5_im (ab_pow5_im ),
.ab_pow6_re (ab_pow6_re ),
.ab_pow6_im (ab_pow6_im ),
.ab_pow7_re (ab_pow7_re ),
.ab_pow7_im (ab_pow7_im ),
.b_pow8_re (b_pow8_re ),
.b_pow8_im (b_pow8_im ),
.dout (IIRout_p5 )
);
IIR_Filter_p8 inst_iir_p6 (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.dinp0 (IIRin_p[6] ),
.dinp1 (IIRin_p[5] ),
.dinp2 (IIRin_p[4] ),
.dinp3 (IIRin_p[3] ),
.dinp4 (IIRin_p[2] ),
.dinp5 (IIRin_p[1] ),
.dinp6 (IIRin_p[0] ),
.dinp7 (IIRin_p_r1[7] ),
.a_re (a_re ),
.a_im (a_im ),
.ab_re (ab_re ),
.ab_im (ab_im ),
.abb_re (abb_re ),
.abb_im (abb_im ),
.ab_pow3_re (ab_pow3_re ),
.ab_pow3_im (ab_pow3_im ),
.ab_pow4_re (ab_pow4_re ),
.ab_pow4_im (ab_pow4_im ),
.ab_pow5_re (ab_pow5_re ),
.ab_pow5_im (ab_pow5_im ),
.ab_pow6_re (ab_pow6_re ),
.ab_pow6_im (ab_pow6_im ),
.ab_pow7_re (ab_pow7_re ),
.ab_pow7_im (ab_pow7_im ),
.b_pow8_re (b_pow8_re ),
.b_pow8_im (b_pow8_im ),
.dout (IIRout_p6 )
);
IIR_Filter_p8 inst_iir_p7 (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.dinp0 (IIRin_p[7] ),
.dinp1 (IIRin_p[6] ),
.dinp2 (IIRin_p[5] ),
.dinp3 (IIRin_p[4] ),
.dinp4 (IIRin_p[3] ),
.dinp5 (IIRin_p[2] ),
.dinp6 (IIRin_p[1] ),
.dinp7 (IIRin_p[0] ),
.a_re (a_re ),
.a_im (a_im ),
.ab_re (ab_re ),
.ab_im (ab_im ),
.abb_re (abb_re ),
.abb_im (abb_im ),
.ab_pow3_re (ab_pow3_re ),
.ab_pow3_im (ab_pow3_im ),
.ab_pow4_re (ab_pow4_re ),
.ab_pow4_im (ab_pow4_im ),
.ab_pow5_re (ab_pow5_re ),
.ab_pow5_im (ab_pow5_im ),
.ab_pow6_re (ab_pow6_re ),
.ab_pow6_im (ab_pow6_im ),
.ab_pow7_re (ab_pow7_re ),
.ab_pow7_im (ab_pow7_im ),
.b_pow8_re (b_pow8_re ),
.b_pow8_im (b_pow8_im ),
.dout (IIRout_p7 )
);
IIR_Filter_p8 #(
.data_out_width (temp_var_width )
) inst_iir_p0 (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.dinp0 (IIRin_p7 ), // x(8n+16)
.dinp1 (IIRin_p6 ), // x(8n+15)
.dinp2 (IIRin_p5 ), // x(8n+14)
.dinp3 (IIRin_p4 ), // x(8n+13)
.dinp4 (IIRin_p3 ), // x(8n+12)
.dinp5 (IIRin_p2 ), // x(8n+11)
.dinp6 (IIRin_p1 ), // x(8n+10)
.dinp7 (IIRin_p0 ), // x(8n+9)
.a_re (a_re ),
.a_im (a_im ),
.ab_re (ab_re ),
.ab_im (ab_im ),
.abb_re (abb_re ),
.abb_im (abb_im ),
.ab_pow3_re (ab_pow3_re ),
.ab_pow3_im (ab_pow3_im ),
.ab_pow4_re (ab_pow4_re ),
.ab_pow4_im (ab_pow4_im ),
.ab_pow5_re (ab_pow5_re ),
.ab_pow5_im (ab_pow5_im ),
.ab_pow6_re (ab_pow6_re ),
.ab_pow6_im (ab_pow6_im ),
.ab_pow7_re (ab_pow7_re ),
.ab_pow7_im (ab_pow7_im ),
.b_pow8_re (b_pow8_re ),
.b_pow8_im (b_pow8_im ),
.dout_re (IIRout_p0_re ), // Re(y(8n-8))
.dout_im (IIRout_p0_im ) // Im(y(8n-8))
);
IIR_Filter_p1 #(
.cascade_in_width (temp_var_width )
) inst_iir_p1(
.clk (clk ),
.rstn (rstn ),
.en (en ),
.din_re (IIRin_p0_r2 ), // x(8n-7)
.dout_r1_re (IIRout_p0_re ), // Re(y(8n-8))
.dout_r1_im (IIRout_p0_im ), // Im(y(8n-8))
.a_re (a_re ),
.a_im (a_im ),
.b_re (b_re ),
.b_im (b_im ),
.dout_re (IIRout_p1_re ), // Re(y(8n-23))
.dout_im (IIRout_p1_im ) // Im(y(8n-23))
);
IIR_Filter_p1 #(
.cascade_in_width (temp_var_width-2 )
) inst_iir_p2 (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.din_re (IIRin_p1_r4 ), // x(8n-22)
.dout_r1_re (IIRout_p1_re ), // Re(y(8n-23))
.dout_r1_im (IIRout_p1_im ), // Im(y(8n-23))
.a_re (a_re ),
.a_im (a_im ),
.b_re (b_re ),
.b_im (b_im ),
.dout_re (IIRout_p2_re ), // Re(y(8n-38))
.dout_im (IIRout_p2_im ) // Im(y(8n-38))
);
IIR_Filter_p1 #(
.cascade_in_width (temp_var_width-4 )
) inst_iir_p3 (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.din_re (IIRin_p2_r6 ), // x(8n-37)
.dout_r1_re (IIRout_p2_re ), // Re(y(8n-38))
.dout_r1_im (IIRout_p2_im ), // Im(y(8n-38))
.a_re (a_re ),
.a_im (a_im ),
.b_re (b_re ),
.b_im (b_im ),
.dout_re (IIRout_p3_re ), // Re(y(8n-53))
.dout_im (IIRout_p3_im ) // Im(y(8n-53))
);
IIR_Filter_p1 #(
.cascade_in_width (temp_var_width-6 )
) inst_iir_p4 (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.din_re (IIRin_p3_r8 ), // x(8n-52)
.dout_r1_re (IIRout_p3_re ), // Re(y(8n-53))
.dout_r1_im (IIRout_p3_im ), // Im(y(8n-53))
.a_re (a_re ),
.a_im (a_im ),
.b_re (b_re ),
.b_im (b_im ),
.dout_re (IIRout_p4_re ), // Re(y(8n-68))
.dout_im (IIRout_p4_im ) // Im(y(8n-68))
);
IIR_Filter_p1 #(
.cascade_in_width (temp_var_width-8 )
) inst_iir_p5 (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.din_re (IIRin_p4_r10 ), // x(8n-67)
.dout_r1_re (IIRout_p4_re ), // Re(y(8n-68))
.dout_r1_im (IIRout_p4_im ), // Im(y(8n-68))
.a_re (a_re ),
.a_im (a_im ),
.b_re (b_re ),
.b_im (b_im ),
.dout_re (IIRout_p5_re ), // Re(y(8n-83))
.dout_im (IIRout_p5_im ) // Im(y(8n-83))
);
IIR_Filter_p1 #(
.cascade_in_width (temp_var_width-10 )
) inst_iir_p6 (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.din_re (IIRin_p5_r12 ), // x(8n-82)
.dout_r1_re (IIRout_p5_re ), // Re(y(8n-83))
.dout_r1_im (IIRout_p5_im ), // Im(y(8n-83))
.a_re (a_re ),
.a_im (a_im ),
.b_re (b_re ),
.b_im (b_im ),
.dout_re (IIRout_p6_re ), // Re(y(8n-98))
.dout_im (IIRout_p6_im ) // Im(y(8n-98))
);
IIR_Filter_p1 #(
.cascade_in_width (temp_var_width-12 )
) inst_iir_p7 (
.clk (clk ),
.rstn (rstn ),
.en (en ),
.din_re (IIRin_p6_r14 ), // x(8n-97)
.dout_r1_re (IIRout_p6_re ), // Re(y(8n-98))
.dout_r1_im (IIRout_p6_im ), // Im(y(8n-98))
.a_re (a_re ),
.a_im (a_im ),
.b_re (b_re ),
.b_im (b_im ),
.dout_re (IIRout_p7_re ), // Re(y(8n-113))
.dout_im (IIRout_p7_im ) // Im(y(8n-113))
);
assign IIRout_p0 = IIRout_p0_re[temp_var_width- 0-1 : temp_var_width- 0-data_out_width]; // y(8n-8)
assign IIRout_p1 = IIRout_p1_re[temp_var_width- 2-1 : temp_var_width- 2-data_out_width]; // y(8n-23)
assign IIRout_p2 = IIRout_p2_re[temp_var_width- 4-1 : temp_var_width- 4-data_out_width]; // y(8n-38)
assign IIRout_p3 = IIRout_p3_re[temp_var_width- 6-1 : temp_var_width- 6-data_out_width]; // y(8n-53)
assign IIRout_p4 = IIRout_p4_re[temp_var_width- 8-1 : temp_var_width- 8-data_out_width]; // y(8n-68)
assign IIRout_p5 = IIRout_p5_re[temp_var_width-10-1 : temp_var_width-10-data_out_width]; // y(8n-83)
assign IIRout_p6 = IIRout_p6_re[temp_var_width-12-1 : temp_var_width-12-data_out_width]; // y(8n-98)
assign IIRout_p7 = IIRout_p7_re[temp_var_width-14-1 : temp_var_width-14-data_out_width]; // y(8n-113)
endmodule

1113
rtl/z_dsp/TailCorr_top.v
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File diff suppressed because it is too large Load Diff

56
rtl/z_dsp/Trunc.v Normal file
View File

@ -0,0 +1,56 @@
module trunc #(
parameter integer diw = 8
//,parameter integer dow = msb - (lsb -1)
,parameter integer msb = 7
,parameter integer lsb = 1
,parameter integer half_precision = 0
)
(
input clk
,input rstn
,input en
,input signed [diw - 1 :0] din
,output signed [msb - lsb:0] dout
);
reg signed [msb - lsb : 0] d_tmp;
generate
if(lsb!=0 && half_precision != 0) begin
always @(posedge clk or negedge rstn) begin
if (!rstn) begin
d_tmp <= 'h0;
end
else if(en) begin
if(din[diw-1 : msb] != {(diw-msb){din[diw-1]}})
d_tmp <= {{din[diw-1]}, {(msb-lsb){!din[diw-1]}}};
else
d_tmp <= din[msb:lsb] + {{(msb-lsb){1'b0}},din[lsb-1]};
end
else begin
d_tmp <= d_tmp;
end
end
end
else begin
always @(posedge clk or negedge rstn) begin
if (!rstn) begin
d_tmp <= 'h0;
end
else if(en) begin
if(din[diw-1 : msb] != {(diw-msb){din[diw-1]}})
d_tmp <= {{din[diw-1]}, {(msb-lsb){!din[diw-1]}}};
else
d_tmp <= din[msb:lsb];
end
else begin
d_tmp <= d_tmp;
end
end
end
endgenerate
assign dout = d_tmp;
endmodule

99
rtl/z_dsp/diff_p.v
View File

@ -1,37 +1,4 @@
//+FHDR--------------------------------------------------------------------------------------------------------
// Company:
//-----------------------------------------------------------------------------------------------------------------
// File Name : TailCorr_top.v
// Department :
// Author : thfu
// Author's Tel :
//-----------------------------------------------------------------------------------------------------------------
// Relese History
// Version Date Author Description
// 0.3 2024-05-15 thfu
//-----------------------------------------------------------------------------------------------------------------
// Keywords :
//
//-----------------------------------------------------------------------------------------------------------------
// Parameter
//
//-----------------------------------------------------------------------------------------------------------------
// Purpose :
//
//-----------------------------------------------------------------------------------------------------------------
// Target Device:
// Tool versions:
//-----------------------------------------------------------------------------------------------------------------
// Reuse Issues
// Reset Strategy:
// Clock Domains:
// Critical Timing:
// Asynchronous I/F:
// Synthesizable (y/n):
// Other:
//-FHDR--------------------------------------------------------------------------------------------------------
module diff_p
(
@ -43,7 +10,7 @@ module diff_p
,input signed [15:0] din1
,input signed [15:0] din2
,input signed [15:0] din3
,output vldo
,output vldo
,output signed [15:0] dout_p0
,output signed [15:0] dout_p1
,output signed [15:0] dout_p2
@ -71,7 +38,13 @@ wire signed [15:0] din_p4_r0;
wire signed [15:0] din_p5_r0;
wire signed [15:0] din_p6_r0;
wire signed [15:0] din_p7_r0;
wire vldo_0;
wire vldo_1;
wire vldo_2;
wire vldo_3;
wire vldo_r0;
assign vldo_r0 = vldo_0 || vldo_1 || vldo_2 || vldo_3;
sirv_gnrl_dffr #(1) dff_vldo_1(vldo_r0, vldo ,clk,rstn);
s2p_2 inst1_s2p_2 (
.clk (clk),
.rst_n (rstn),
@ -79,7 +52,7 @@ s2p_2 inst1_s2p_2 (
.en (vldi),
.dout0 (din_p0_r0),
.dout1 (din_p4_r0)
,.vldo( vldo)
,.vldo( vldo_0)
);
s2p_2 inst2_s2p_2 (
.clk (clk),
@ -88,7 +61,7 @@ s2p_2 inst2_s2p_2 (
.en (vldi),
.dout0 (din_p1_r0),
.dout1 (din_p5_r0)
,.vldo( )
,.vldo( vldo_1)
);
s2p_2 inst3_s2p_2 (
.clk (clk),
@ -97,7 +70,7 @@ s2p_2 inst3_s2p_2 (
.en (vldi),
.dout0 (din_p2_r0),
.dout1 (din_p6_r0)
,.vldo( )
,.vldo( vldo_2)
);
s2p_2 inst4_s2p_2 (
.clk (clk),
@ -106,32 +79,20 @@ s2p_2 inst4_s2p_2 (
.en (vldi),
.dout0 (din_p3_r0),
.dout1 (din_p7_r0)
,.vldo( )
,.vldo( vldo_3)
);
reg signed [15:0] din_p0_r1;
reg signed [15:0] din_p1_r1;
reg signed [15:0] din_p2_r1;
reg signed [15:0] din_p3_r1;
reg signed [15:0] din_p4_r1;
reg signed [15:0] din_p5_r1;
reg signed [15:0] din_p6_r1;
reg signed [15:0] din_p7_r1;
wire signed [15:0] din_p0_r1;
wire signed [15:0] din_p1_r1;
wire signed [15:0] din_p2_r1;
wire signed [15:0] din_p3_r1;
wire signed [15:0] din_p4_r1;
wire signed [15:0] din_p5_r1;
wire signed [15:0] din_p6_r1;
wire signed [15:0] din_p7_r1;
always @(posedge clk or negedge rstn)
if (!rstn)
begin
din_p7_r1 <= 'h0;
end
else if(en)
begin
din_p7_r1 <= din_p7_r0;
end
else
begin
din_p7_r1 <= din_p7_r1;
end
sirv_gnrl_dfflr #(16) din_p7_1(en,din_p7_r0, din_p7_r1 ,clk,rstn);
assign dout_p0 = din_p0_r0;
assign dout_p1 = din_p1_r0;
@ -142,24 +103,6 @@ assign dout_p5 = din_p5_r0;
assign dout_p6 = din_p6_r0;
assign dout_p7 = din_p7_r0;
//wire signed [15:0] diff_p0_r0;
//wire signed [15:0] diff_p1_r0;
//wire signed [15:0] diff_p2_r0;
//wire signed [15:0] diff_p3_r0;
//wire signed [15:0] diff_p4_r0;
//wire signed [15:0] diff_p5_r0;
//wire signed [15:0] diff_p6_r0;
//wire signed [15:0] diff_p7_r0;
//
//assign diff_p0_r0 = din_p0_r0 - din_p7_r1;
//assign diff_p1_r0 = din_p1_r0 - din_p0_r0;
//assign diff_p2_r0 = din_p2_r0 - din_p1_r0;
//assign diff_p3_r0 = din_p3_r0 - din_p2_r0;
//assign diff_p4_r0 = din_p4_r0 - din_p3_r0;
//assign diff_p5_r0 = din_p5_r0 - din_p4_r0;
//assign diff_p6_r0 = din_p6_r0 - din_p5_r0;
//assign diff_p7_r0 = din_p7_r0 - din_p6_r0;
reg signed [15:0] diff_p0_r1;
reg signed [15:0] diff_p1_r1;
reg signed [15:0] diff_p2_r1;

96
rtl/z_dsp/mult_C.v
View File

@ -36,7 +36,7 @@ module mult_C #(
,parameter integer B_width = 8
,parameter integer C_width = 8
,parameter integer D_width = 8
,parameter integer frac_coef_width = 31//division
,parameter integer o_width = 31//division
)
@ -46,66 +46,72 @@ module mult_C #(
en,
a,
b,
c,
d,
Re,
Im
c,
d,
Re,
Im
);
input rstn;
input clk;
input en;
input signed [A_width-1:0] a;
input signed [B_width-1:0] b;
input signed [C_width-1:0] c;
input signed [D_width-1:0] d;
input signed [A_width-1 :0] a;
input signed [B_width-1 :0] b;
input signed [C_width-1 :0] c;
input signed [D_width-1 :0] d;
output signed [A_width+C_width-frac_coef_width-2:0] Re;
output signed [A_width+D_width-frac_coef_width-2:0] Im;
output signed [o_width-1 :0] Re;
output signed [o_width-1 :0] Im;
wire signed [A_width+C_width-1:0] ac;
wire signed [B_width+D_width-1:0] bd;
wire signed [A_width+D_width-1:0] ad;
wire signed [B_width+C_width-1:0] bc;
wire signed [A_width+C_width-1:0] ac;
wire signed [B_width+D_width-1:0] bd;
wire signed [A_width+D_width-1:0] ad;
wire signed [B_width+C_width-1:0] bc;
wire signed [A_width+C_width :0] Re_tmp;
wire signed [A_width+D_width :0] Im_tmp;
wire signed [o_width-1 :0] Re_trunc;
wire signed [o_width-1 :0] Im_trunc;
DW02_mult #(A_width,C_width) inst_c1( .A (a ),
.B (c ),
.TC (1'b1 ),
.PRODUCT (ac )
);
DW02_mult #(A_width,C_width) inst_c1( .A (a ),
.B (c ),
.TC (1'b1 ),
.PRODUCT (ac )
);
DW02_mult #(B_width,D_width) inst_c2( .A (b ),
.B (d ),
.TC (1'b1 ),
.PRODUCT (bd )
);
DW02_mult #(B_width,D_width) inst_c2( .A (b ),
.B (d ),
.TC (1'b1 ),
.PRODUCT (bd )
);
DW02_mult #(A_width,D_width) inst_c3( .A (a ),
.B (d ),
.TC (1'b1 ),
.PRODUCT (ad )
);
DW02_mult #(B_width,C_width) inst_c4( .A (b ),
.B (c ),
.TC (1'b1 ),
.PRODUCT (bc )
);
wire signed [A_width+C_width:0] Re_tmp;
wire signed [A_width+D_width:0] Im_tmp;
DW02_mult #(A_width,D_width) inst_c3( .A (a ),
.B (d ),
.TC (1'b1 ),
.PRODUCT (ad )
);
DW02_mult #(B_width,C_width) inst_c4( .A (b ),
.B (c ),
.TC (1'b1 ),
.PRODUCT (bc )
);
assign Re_tmp = ac - bd;
assign Im_tmp = ad + bc;
wire signed [A_width+C_width:0] Re_round;
wire signed [A_width+D_width:0] Im_round;
FixRound #(A_width+C_width+1,frac_coef_width) u_round1 (clk, rstn, en, Re_tmp, Re_round);
FixRound #(A_width+C_width+1,frac_coef_width) u_round2 (clk, rstn, en, Im_tmp, Im_round);
trunc #(
.diw (A_width+C_width+1 )
,.msb (A_width+C_width-2 )
,.lsb (A_width+C_width-o_width-1 )
) u_round1 (clk, rstn, en, Re_tmp, Re_trunc);
trunc #(
.diw (A_width+D_width+1 )
,.msb (A_width+D_width-2 )
,.lsb (A_width+C_width-o_width-1 )
) u_round2 (clk, rstn, en, Im_tmp, Im_trunc);
// Since this is complex multiplication, the output bit width needs to be increased by one compared to the input.
assign Re = Re_round[A_width+D_width-2:frac_coef_width];
assign Im = Im_round[A_width+D_width-2:frac_coef_width];
assign Re = Re_trunc;
assign Im = Im_trunc;
endmodule

42
rtl/z_dsp/mult_x.v
View File

@ -35,7 +35,7 @@ module mult_x #(
parameter integer A_width = 8
,parameter integer C_width = 8
,parameter integer D_width = 8
,parameter integer frac_coef_width = 31//division
,parameter integer o_width = 31//division
)
@ -53,15 +53,17 @@ module mult_x #(
input rstn;
input clk;
input en;
input signed [A_width-1:0] a;
input signed [C_width-1:0] c;
input signed [D_width-1:0] d;
input signed [A_width-1 :0] a;
input signed [C_width-1 :0] c;
input signed [D_width-1 :0] d;
output signed [A_width+C_width-frac_coef_width-2:0] Re;
output signed [A_width+D_width-frac_coef_width-2:0] Im;
output signed [o_width-1 :0] Re;
output signed [o_width-1 :0] Im;
wire signed [A_width+C_width-1:0] ac;
wire signed [A_width+D_width-1:0] ad;
wire signed [A_width+C_width-1:0] ac;
wire signed [A_width+D_width-1:0] ad;
wire signed [o_width-1 :0] Re_trunc;
wire signed [o_width-1 :0] Im_trunc;
@ -71,27 +73,27 @@ DW02_mult #(A_width,C_width) inst_c1( .A (a ),
.PRODUCT (ac )
);
DW02_mult #(A_width,D_width) inst_c3( .A (a ),
.B (d ),
.TC (1'b1 ),
.PRODUCT (ad )
);
wire signed [A_width+C_width:0] Re_tmp;
wire signed [A_width+D_width:0] Im_tmp;
assign Re_tmp = ac;
assign Im_tmp = ad;
wire signed [A_width+C_width:0] Re_round;
wire signed [A_width+D_width:0] Im_round;
FixRound #(A_width+C_width+1,frac_coef_width) u_round1 (clk, rstn, en, Re_tmp, Re_round);
FixRound #(A_width+C_width+1,frac_coef_width) u_round2 (clk, rstn, en, Im_tmp, Im_round);
trunc #(
.diw (A_width+C_width )
,.msb (A_width+C_width-2 )
,.lsb (A_width+C_width-o_width-1 )
) u_round1 (clk, rstn, en, ac, Re_trunc);
trunc #(
.diw (A_width+D_width )
,.msb (A_width+D_width-2 )
,.lsb (A_width+D_width-o_width-1 )
) u_round2 (clk, rstn, en, ad, Im_trunc);
// Since this is complex multiplication, the output bit width needs to be increased by one compared to the input.
assign Re = Re_round[A_width+D_width-2:frac_coef_width];
assign Im = Im_round[A_width+D_width-2:frac_coef_width];
assign Re = Re_trunc;
assign Im = Im_trunc;
endmodule

38
rtl/z_dsp/rate_adapter.v
View File

@ -1,35 +1,3 @@
//+FHDR--------------------------------------------------------------------------------------------------------
// Company:
//-----------------------------------------------------------------------------------------------------------------
// File Name : Z_dsp.v
// Department :
// Author : thfu
// Author's Tel :
//-----------------------------------------------------------------------------------------------------------------
// Relese History
// Version Date Author Description
// 0.2 2024-10-09 thfu to fit the addition of 8 interpolation
//-----------------------------------------------------------------------------------------------------------------
// Keywords :
//
//-----------------------------------------------------------------------------------------------------------------
// Parameter
//
//-----------------------------------------------------------------------------------------------------------------
// Purpose :
//
//-----------------------------------------------------------------------------------------------------------------
// Target Device:
// Tool versions:
//-----------------------------------------------------------------------------------------------------------------
// Reuse Issues
// Reset Strategy:
// Clock Domains:
// Critical Timing:
// Asynchronous I/F:
// Synthesizable (y/n):
// Other:
//-FHDR--------------------------------------------------------------------------------------------------------
module rate_adapter
(
@ -49,7 +17,7 @@ module rate_adapter
,output signed [15:0] dout1
,output signed [15:0] dout2
,output signed [15:0] dout3
,output reg vldo
,output vldo
);
@ -84,6 +52,6 @@ assign dout1 = doutf_1;
assign dout2 = doutf_2;
assign dout3 = doutf_3;
syncer #(1, 1) sync_diff7_syncer (clk, rstn, vldi, vldo);
//sirv_gnrl_dffr #(1) dff_vldi_or_1(vldi, vldo ,clk,rstn);
assign vldo = vldi;
endmodule

85
rtl/z_dsp/s2p_2.v
View File

@ -8,21 +8,6 @@ module s2p_2 (
output vldo
);
reg en_r1;
reg en_r2;
always @(posedge clk or negedge rst_n)begin
if(rst_n==1'b0)begin
en_r1 <= 0;
en_r2 <= 0;
end
else begin
en_r1 <= en;
en_r2 <= en_r1;
end
end
assign vldo = en_r2;
reg cnt;
wire add_cnt;
wire end_cnt;
@ -45,7 +30,8 @@ end
assign add_cnt = en == 1'b1;
assign end_cnt = add_cnt && cnt== 2 - 1 ;
wire en_r1;
wire en_r2;
reg [ 15: 0] dout0_r0;
reg [ 15: 0] dout1_r0;
wire dout0_en;
@ -53,66 +39,45 @@ wire dout1_en;
wire dout0_hold;
wire dout1_hold;
always @(*)begin
if(rst_n==1'b0)begin
dout0_r0 = 16'd0;
dout1_r0 = 16'd0;
always @(posedge clk or negedge rst_n)begin
if(!rst_n)begin
dout0_r0 <= 16'b0;
dout1_r0 <= 16'b0;
end
else if(dout0_en)begin
dout0_r0 = din;
dout0_r0 <= din;
end
else if(dout1_en)begin
dout1_r0 = din;
end
else begin
dout0_r0 = 16'd0;
dout1_r0 = 16'd0;
end
end
assign dout0_en = add_cnt && cnt == 0;
assign dout1_en = add_cnt && cnt == 1;
reg [ 15: 0] dout0_r1;
reg [ 15: 0] dout1_r1;
always @(posedge clk or negedge rst_n)begin
if(rst_n==1'b0)begin
dout0_r1 <= 16'd0;
dout1_r1 <= 16'd0;
end
else if(en)begin
dout0_r1 <= dout0_r0;
dout1_r1 <= dout1_r0;
dout1_r0 <= din;
end
else if(dout0_hold)begin
dout0_r1 <= dout0_r1;
dout1_r1 <= 16'd0;
dout0_r0 <= dout0_r0;
dout1_r0 <= 16'd0;
end
else if(dout1_hold)begin
dout0_r1 <= 16'd0;
dout1_r1 <= dout1_r1;
dout0_r0 <= 16'd0;
dout1_r0 <= dout1_r0;
end
else begin
dout0_r1 <= 16'd0;
dout1_r1 <= 16'd0;
dout0_r0 <= 16'd0;
dout1_r0 <= 16'd0;
end
end
assign dout0_en = add_cnt && cnt == 0;
assign dout1_en = add_cnt && cnt == 1;
assign dout0_hold = en == 0 && en_r1 == 1 && cnt == 1;
assign dout1_hold = en == 0 && en_r1 == 1 && cnt == 0;
reg [ 15: 0] dout0_r2;
always @(posedge clk or negedge rst_n)begin
if(rst_n==1'b0)begin
dout0_r2 <= 16'd0;
end
else begin
dout0_r2 <= dout0_r1;
end
end
sirv_gnrl_dffr #(1) dff_en_1(en , en_r1 ,clk,rst_n);
sirv_gnrl_dffr #(1) dff_en_2(en_r1, en_r2 ,clk,rst_n);
assign vldo = en_r2;
assign dout0 = dout0_r2;
assign dout1 = dout1_r1;
wire [ 15: 0] dout0_r1;
sirv_gnrl_dfflr #(16) dff_dout0_1(1'b1,dout0_r0, dout0_r1 ,clk,rst_n);
assign dout0 = dout0_r1;
assign dout1 = dout1_r0;
endmodule

58
rtl/z_dsp/z_dsp.sv
View File

@ -1,35 +1,3 @@
//+FHDR--------------------------------------------------------------------------------------------------------
// Company:
//-----------------------------------------------------------------------------------------------------------------
// File Name : Z_dsp.v
// Department :
// Author : thfu
// Author's Tel :
//-----------------------------------------------------------------------------------------------------------------
// Relese History
// Version Date Author Description
// 0.2 2024-10-09 thfu to fit the addition of 8 interpolation
//-----------------------------------------------------------------------------------------------------------------
// Keywords :
//
//-----------------------------------------------------------------------------------------------------------------
// Parameter
//
//-----------------------------------------------------------------------------------------------------------------
// Purpose :
//
//-----------------------------------------------------------------------------------------------------------------
// Target Device:
// Tool versions:
//-----------------------------------------------------------------------------------------------------------------
// Reuse Issues
// Reset Strategy:
// Clock Domains:
// Critical Timing:
// Asynchronous I/F:
// Synthesizable (y/n):
// Other:
//-FHDR--------------------------------------------------------------------------------------------------------
module z_dsp
(
@ -96,6 +64,8 @@ reg signed [31:0] ab_pow6_re [5:0];
reg signed [31:0] ab_pow6_im [5:0];
reg signed [31:0] ab_pow7_re [5:0];
reg signed [31:0] ab_pow7_im [5:0];
reg signed [31:0] bo_re [5:0];
reg signed [31:0] bo_im [5:0];
reg signed [31:0] b_pow8_re [5:0];
reg signed [31:0] b_pow8_im [5:0];
@ -129,6 +99,8 @@ CoefGen inst_CoefGen(
.b5_im (b5_im ),
.a_re0 (ao_re[0] ),
.a_im0 (ao_im[0] ),
.b_re0 (bo_re[0] ),
.b_im0 (bo_im[0] ),
.ab_re0 (ab_re[0] ),
.ab_im0 (ab_im[0] ),
.abb_re0 (abb_re[0] ),
@ -147,6 +119,8 @@ CoefGen inst_CoefGen(
.b_pow8_im0 (b_pow8_im[0] ),
.a_re1 (ao_re[1] ),
.a_im1 (ao_im[1] ),
.b_re1 (bo_re[1] ),
.b_im1 (bo_im[1] ),
.ab_re1 (ab_re[1] ),
.ab_im1 (ab_im[1] ),
.abb_re1 (abb_re[1] ),
@ -165,6 +139,8 @@ CoefGen inst_CoefGen(
.b_pow8_im1 (b_pow8_im[1] ),
.a_re2 (ao_re[2] ),
.a_im2 (ao_im[2] ),
.b_re2 (bo_re[2] ),
.b_im2 (bo_im[2] ),
.ab_re2 (ab_re[2] ),
.ab_im2 (ab_im[2] ),
.abb_re2 (abb_re[2] ),
@ -183,6 +159,8 @@ CoefGen inst_CoefGen(
.b_pow8_im2 (b_pow8_im[2] ),
.a_re3 (ao_re[3] ),
.a_im3 (ao_im[3] ),
.b_re3 (bo_re[3] ),
.b_im3 (bo_im[3] ),
.ab_re3 (ab_re[3] ),
.ab_im3 (ab_im[3] ),
.abb_re3 (abb_re[3] ),
@ -201,6 +179,8 @@ CoefGen inst_CoefGen(
.b_pow8_im3 (b_pow8_im[3] ),
.a_re4 (ao_re[4] ),
.a_im4 (ao_im[4] ),
.b_re4 (bo_re[4] ),
.b_im4 (bo_im[4] ),
.ab_re4 (ab_re[4] ),
.ab_im4 (ab_im[4] ),
.abb_re4 (abb_re[4] ),
@ -219,6 +199,8 @@ CoefGen inst_CoefGen(
.b_pow8_im4 (b_pow8_im[4] ),
.a_re5 (ao_re[5] ),
.a_im5 (ao_im[5] ),
.b_re5 (bo_re[5] ),
.b_im5 (bo_im[5] ),
.ab_re5 (ab_re[5] ),
.ab_im5 (ab_im[5] ),
.abb_re5 (abb_re[5] ),
@ -260,6 +242,8 @@ TailCorr_top inst_TailCorr_top
.din3 (din3 ),
.a_re0 (ao_re[0] ),
.a_im0 (ao_im[0] ),
.b_re0 (bo_re[0] ),
.b_im0 (bo_im[0] ),
.ab_re0 (ab_re[0] ),
.ab_im0 (ab_im[0] ),
.abb_re0 (abb_re[0] ),
@ -278,6 +262,8 @@ TailCorr_top inst_TailCorr_top
.b_pow8_im0 (b_pow8_im[0] ),
.a_re1 (ao_re[1] ),
.a_im1 (ao_im[1] ),
.b_re1 (bo_re[1] ),
.b_im1 (bo_im[1] ),
.ab_re1 (ab_re[1] ),
.ab_im1 (ab_im[1] ),
.abb_re1 (abb_re[1] ),
@ -296,6 +282,8 @@ TailCorr_top inst_TailCorr_top
.b_pow8_im1 (b_pow8_im[1] ),
.a_re2 (ao_re[2] ),
.a_im2 (ao_im[2] ),
.b_re2 (bo_re[2] ),
.b_im2 (bo_im[2] ),
.ab_re2 (ab_re[2] ),
.ab_im2 (ab_im[2] ),
.abb_re2 (abb_re[2] ),
@ -314,6 +302,8 @@ TailCorr_top inst_TailCorr_top
.b_pow8_im2 (b_pow8_im[2] ),
.a_re3 (ao_re[3] ),
.a_im3 (ao_im[3] ),
.b_re3 (bo_re[3] ),
.b_im3 (bo_im[3] ),
.ab_re3 (ab_re[3] ),
.ab_im3 (ab_im[3] ),
.abb_re3 (abb_re[3] ),
@ -332,6 +322,8 @@ TailCorr_top inst_TailCorr_top
.b_pow8_im3 (b_pow8_im[3] ),
.a_re4 (ao_re[4] ),
.a_im4 (ao_im[4] ),
.b_re4 (bo_re[4] ),
.b_im4 (bo_im[4] ),
.ab_re4 (ab_re[4] ),
.ab_im4 (ab_im[4] ),
.abb_re4 (abb_re[4] ),
@ -350,6 +342,8 @@ TailCorr_top inst_TailCorr_top
.b_pow8_im4 (b_pow8_im[4] ),
.a_re5 (ao_re[5] ),
.a_im5 (ao_im[5] ),
.b_re5 (bo_re[5] ),
.b_im5 (bo_im[5] ),
.ab_re5 (ab_re[5] ),
.ab_im5 (ab_im[5] ),
.abb_re5 (abb_re[5] ),

5
sim/TailCorr_en/files.f
View File

@ -1,10 +1,13 @@
../../rtl/z_dsp/mult_C.v
../../rtl/z_dsp/FixRound.v
../../rtl/z_dsp/mult_x.v
../../rtl/z_dsp/Trunc.v
../../rtl/z_dsp/TailCorr_top.v
../../rtl/z_dsp/IIR_top.v
../../rtl/z_dsp/diff_p.v
../../rtl/z_dsp/s2p_2.v
../../rtl/z_dsp/IIR_Filter_p8.v
../../rtl/z_dsp/IIR_Filter_p1.v
../../rtl/z_dsp/sirv_gnrl_dffs.v
../../rtl/model/DW02_mult.v
tb_TailCorr_en.v

78
sim/TailCorr_en/tb_TailCorr_en.v
View File

@ -1,36 +1,4 @@
module TB();
//+FHDR--------------------------------------------------------------------------------------------------------
// Company:
//-----------------------------------------------------------------------------------------------------------------
// File Name : tb_TailCorr_en.v
// Department : HFNL
// Author : thfu
// Author's Tel :
//-----------------------------------------------------------------------------------------------------------------
// Relese History
// Version Date Author Description
// 2025-03-03 thfu
//-----------------------------------------------------------------------------------------------------------------
// Keywords :
//
//-----------------------------------------------------------------------------------------------------------------
// Parameter
//
//-----------------------------------------------------------------------------------------------------------------
// Purpose :
//
//-----------------------------------------------------------------------------------------------------------------
// Target Device:
// Tool versions:
//-----------------------------------------------------------------------------------------------------------------
// Reuse Issues
// Reset Strategy:
// Clock Domains:
// Critical Timing:
// Asynchronous I/F:
// Synthesizable (y/n):
// Other:
//-FHDR--------------------------------------------------------------------------------------------------------
reg [1 :0] source_mode;
@ -48,6 +16,8 @@ end
reg rstn;
reg [31:0] a_re0;
reg [31:0] a_im0;
reg [31:0] b_re0;
reg [31:0] b_im0;
reg [31:0] ab_re0;
reg [31:0] ab_im0;
reg [31:0] abb_re0;
@ -66,6 +36,8 @@ reg [31:0] b_pow8_re0;
reg [31:0] b_pow8_im0;
reg [31:0] a_re1;
reg [31:0] a_im1;
reg [31:0] b_re1;
reg [31:0] b_im1;
reg [31:0] ab_re1;
reg [31:0] ab_im1;
reg [31:0] abb_re1;
@ -84,6 +56,8 @@ reg [31:0] b_pow8_re1;
reg [31:0] b_pow8_im1;
reg [31:0] a_re2;
reg [31:0] a_im2;
reg [31:0] b_re2;
reg [31:0] b_im2;
reg [31:0] ab_re2;
reg [31:0] ab_im2;
reg [31:0] abb_re2;
@ -102,6 +76,8 @@ reg [31:0] b_pow8_re2;
reg [31:0] b_pow8_im2;
reg [31:0] a_re3;
reg [31:0] a_im3;
reg [31:0] b_re3;
reg [31:0] b_im3;
reg [31:0] ab_re3;
reg [31:0] ab_im3;
reg [31:0] abb_re3;
@ -120,6 +96,8 @@ reg [31:0] b_pow8_re3;
reg [31:0] b_pow8_im3;
reg [31:0] a_re4;
reg [31:0] a_im4;
reg [31:0] b_re4;
reg [31:0] b_im4;
reg [31:0] ab_re4;
reg [31:0] ab_im4;
reg [31:0] abb_re4;
@ -138,6 +116,8 @@ reg [31:0] b_pow8_re4;
reg [31:0] b_pow8_im4;
reg [31:0] a_re5;
reg [31:0] a_im5;
reg [31:0] b_re5;
reg [31:0] b_im5;
reg [31:0] ab_re5;
reg [31:0] ab_im5;
reg [31:0] abb_re5;
@ -180,6 +160,18 @@ begin
a_im3 = 32'd0;
a_im4 = 32'd0;
a_im5 = 32'd0;
b_re0 = 32'd2143083068;
b_re1 = 32'd2145807236;
b_re2 = 32'd2146812530;
b_re3 = 32'd2147483648;
b_re4 = 32'd0;
b_re5 = 32'd0;
b_im0 = 32'd0;
b_im1 = 32'd0;
b_im2 = 32'd0;
b_im3 = 32'd0;
b_im4 = 32'd0;
b_im5 = 32'd0;
ab_re0 = 32'd54894517;
ab_re1 = 32'd32664510;
ab_re2 = 32'd429381 ;
@ -268,7 +260,7 @@ begin
b_pow8_re0 = 32'd2112530470;
b_pow8_re1 = 32'd2134108939;
b_pow8_re2 = 32'd2142120573;
b_pow8_re3 = 32'd0;
b_pow8_re3 = 32'd2147483648;
b_pow8_re4 = 32'd0;
b_pow8_re5 = 32'd0;
b_pow8_im0 = 32'd0;
@ -412,6 +404,7 @@ assign dac_mode_sel = 2'b00;
wire tc_bypass;
wire vldo;
//wire vldo_ref;
assign tc_bypass = 1'b0;
@ -441,6 +434,8 @@ TailCorr_top inst_TailCorr_top
.din3 (iir_in[3]),
.a_re0 (a_re0),
.a_im0 (a_im0),
.b_re0 (b_re0),
.b_im0 (b_im0),
.ab_re0 (ab_re0),
.ab_im0 (ab_im0),
.abb_re0 (abb_re0),
@ -459,6 +454,8 @@ TailCorr_top inst_TailCorr_top
.b_pow8_im0 (b_pow8_im0),
.a_re1 (a_re1),
.a_im1 (a_im1),
.b_re1 (b_re1),
.b_im1 (b_im1),
.ab_re1 (ab_re1),
.ab_im1 (ab_im1),
.abb_re1 (abb_re1),
@ -477,6 +474,8 @@ TailCorr_top inst_TailCorr_top
.b_pow8_im1 (b_pow8_im1),
.a_re2 (a_re2),
.a_im2 (a_im2),
.b_re2 (b_re2),
.b_im2 (b_im2),
.ab_re2 (ab_re2),
.ab_im2 (ab_im2),
.abb_re2 (abb_re2),
@ -495,6 +494,8 @@ TailCorr_top inst_TailCorr_top
.b_pow8_im2 (b_pow8_im2),
.a_re3 (a_re3),
.a_im3 (a_im3),
.b_re3 (b_re3),
.b_im3 (b_im3),
.ab_re3 (ab_re3),
.ab_im3 (ab_im3),
.abb_re3 (abb_re3),
@ -513,6 +514,8 @@ TailCorr_top inst_TailCorr_top
.b_pow8_im3 (b_pow8_im3),
.a_re4 (a_re4),
.a_im4 (a_im4),
.b_re4 (b_re4),
.b_im4 (b_im4),
.ab_re4 (ab_re4),
.ab_im4 (ab_im4),
.abb_re4 (abb_re4),
@ -531,6 +534,8 @@ TailCorr_top inst_TailCorr_top
.b_pow8_im4 (b_pow8_im4),
.a_re5 (a_re5),
.a_im5 (a_im5),
.b_re5 (b_re5),
.b_im5 (b_im5),
.ab_re5 (ab_re5),
.ab_im5 (ab_im5),
.abb_re5 (abb_re5),
@ -560,7 +565,6 @@ TailCorr_top inst_TailCorr_top
);
integer signed In_fid[0:3];
integer signed dout_fid[0:7];
string filenames_in[0:3] = {"in0.dat", "in1.dat", "in2.dat", "in3.dat"};
@ -581,9 +585,6 @@ always @(posedge clk) begin
for (int i = 0; i < 4; i = i + 1) begin
$fwrite(In_fid[i], "%d\n", $signed(iir_in[i]));
end
// for (int i = 0; i < 8; i = i + 1) begin
// $fclose(In_fid[i]);
// end
end
end
@ -592,9 +593,6 @@ always @(posedge clk) begin
for (int i = 0; i < 8; i = i + 1) begin
$fwrite(dout_fid[i], "%d\n", $signed(dout_p[i]));
end
// for (int i = 0; i < 8; i = i + 1) begin
// $fclose(dout_fid[i]);
// end
end
end
endmodule

2
sim/s2p_2/Makefile
View File

@ -1,4 +1,4 @@
VCS = vcs -full64 -sverilog +lint=TFIPC-L +v2k -debug_access+all -q -timescale=1ns/1ps +nospecify -l compile.log +fsdb+delta
VCS = vcs -full64 -sverilog +lint=TFIPC-L +v2k -debug_access+all -q -timescale=1ns/1ps +nospecify -l compile.log
SIMV = ./simv -l sim.log +fsdb+delta
all:comp run

1
sim/s2p_2/files.f
View File

@ -1,2 +1,3 @@
../../rtl/z_dsp/s2p_2.v
../../rtl/z_dsp/sirv_gnrl_dffs.v
tb_s2p_2.v

19
sim/s2p_2/tb_s2p_2.v
View File

@ -14,19 +14,20 @@ end
reg rst_n;
reg [15:0] din;
reg enable;
reg vldo;
reg [21:0] cnt;
wire [15:0] dout0;
wire [15:0] dout1;
s2p_2 uut (
.clk (clk),
.rst_n (rst_n),
.din (din),
.en (enable),
.dout0 (dout0),
.dout1 (dout1)
);
s2p_2 u_s2p_2(
.clk ( clk ),
.rst_n ( rst_n ),
.din ( din ),
.en ( enable ),
.dout0 ( dout0 ),
.dout1 ( dout1 ),
.vldo ( vldo )
);
reg[15:0] din_r1;
always @(posedge clk or negedge rst_n)begin

5
sim/tb_CoefGen/files.f
View File

@ -1,6 +1,7 @@
../../rtl/z_dsp/CoefGen.v
../../rtl/z_dsp/FixRound.v
../../rtl/z_dsp/CoefGen.sv
../../rtl/z_dsp/mult_C.v
../../rtl/z_dsp/Trunc.v
../../rtl/z_dsp/sirv_gnrl_dffs.v
../../rtl/model/DW02_mult.v
tb_CoefGen.v

174
sim/tb_CoefGen/tb_CoefGen.v
View File

@ -39,6 +39,8 @@ wire signed [31:0] ab_pow6_re [5:0];
wire signed [31:0] ab_pow6_im [5:0];
wire signed [31:0] ab_pow7_re [5:0];
wire signed [31:0] ab_pow7_im [5:0];
wire signed [31:0] bo_re [5:0];
wire signed [31:0] bo_im [5:0];
wire signed [31:0] b_pow8_re [5:0];
wire signed [31:0] b_pow8_im [5:0];
@ -48,36 +50,158 @@ parameter CYCLE = 20;
parameter RST_TIME = 3 ;
CoefGen uut(
CoefGen inst_CoefGen(
.clk (clk ),
.rstn (rst_n ),
.rstn (rst_n ),
.vldi (vldi ),
.a_re (a_re ),
.a_im (a_im ),
.b_re (b_re ),
.b_im (b_im ),
.ao_re (ao_re ),
.ao_im (ao_im ),
.ab_re (ab_re ),
.ab_im (ab_im ),
.abb_re (abb_re ),
.abb_im (abb_im ),
.ab_pow3_re (ab_pow3_re ),
.ab_pow3_im (ab_pow3_im ),
.ab_pow4_re (ab_pow4_re ),
.ab_pow4_im (ab_pow4_im ),
.ab_pow5_re (ab_pow5_re ),
.ab_pow5_im (ab_pow5_im ),
.ab_pow6_re (ab_pow6_re ),
.ab_pow6_im (ab_pow6_im ),
.ab_pow7_re (ab_pow7_re ),
.ab_pow7_im (ab_pow7_im ),
.b_pow8_re (b_pow8_re ),
.b_pow8_im (b_pow8_im )
.a0_re (a_re[0] ),
.a0_im (a_im[0] ),
.b0_re (b_re[0] ),
.b0_im (b_im[0] ),
.a1_re (a_re[1] ),
.a1_im (a_im[1] ),
.b1_re (b_re[1] ),
.b1_im (b_im[1] ),
.a2_re (a_re[2] ),
.a2_im (a_im[2] ),
.b2_re (b_re[2] ),
.b2_im (b_im[2] ),
.a3_re (a_re[3] ),
.a3_im (a_im[3] ),
.b3_re (b_re[3] ),
.b3_im (b_im[3] ),
.a4_re (a_re[4] ),
.a4_im (a_im[4] ),
.b4_re (b_re[4] ),
.b4_im (b_im[4] ),
.a5_re (a_re[5] ),
.a5_im (a_im[5] ),
.b5_re (b_re[5] ),
.b5_im (b_im[5] ),
.a_re0 (ao_re[0] ),
.a_im0 (ao_im[0] ),
.b_re0 (bo_re[0] ),
.b_im0 (bo_im[0] ),
.ab_re0 (ab_re[0] ),
.ab_im0 (ab_im[0] ),
.abb_re0 (abb_re[0] ),
.abb_im0 (abb_im[0] ),
.ab_pow3_re0 (ab_pow3_re[0]),
.ab_pow3_im0 (ab_pow3_im[0]),
.ab_pow4_re0 (ab_pow4_re[0]),
.ab_pow4_im0 (ab_pow4_im[0]),
.ab_pow5_re0 (ab_pow5_re[0]),
.ab_pow5_im0 (ab_pow5_im[0]),
.ab_pow6_re0 (ab_pow6_re[0]),
.ab_pow6_im0 (ab_pow6_im[0]),
.ab_pow7_re0 (ab_pow7_re[0]),
.ab_pow7_im0 (ab_pow7_im[0]),
.b_pow8_re0 (b_pow8_re[0] ),
.b_pow8_im0 (b_pow8_im[0] ),
.a_re1 (ao_re[1] ),
.a_im1 (ao_im[1] ),
.b_re1 (bo_re[1] ),
.b_im1 (bo_im[1] ),
.ab_re1 (ab_re[1] ),
.ab_im1 (ab_im[1] ),
.abb_re1 (abb_re[1] ),
.abb_im1 (abb_im[1] ),
.ab_pow3_re1 (ab_pow3_re[1]),
.ab_pow3_im1 (ab_pow3_im[1]),
.ab_pow4_re1 (ab_pow4_re[1]),
.ab_pow4_im1 (ab_pow4_im[1]),
.ab_pow5_re1 (ab_pow5_re[1]),
.ab_pow5_im1 (ab_pow5_im[1]),
.ab_pow6_re1 (ab_pow6_re[1]),
.ab_pow6_im1 (ab_pow6_im[1]),
.ab_pow7_re1 (ab_pow7_re[1]),
.ab_pow7_im1 (ab_pow7_im[1]),
.b_pow8_re1 (b_pow8_re[1] ),
.b_pow8_im1 (b_pow8_im[1] ),
.a_re2 (ao_re[2] ),
.a_im2 (ao_im[2] ),
.b_re2 (bo_re[2] ),
.b_im2 (bo_im[2] ),
.ab_re2 (ab_re[2] ),
.ab_im2 (ab_im[2] ),
.abb_re2 (abb_re[2] ),
.abb_im2 (abb_im[2] ),
.ab_pow3_re2 (ab_pow3_re[2]),
.ab_pow3_im2 (ab_pow3_im[2]),
.ab_pow4_re2 (ab_pow4_re[2]),
.ab_pow4_im2 (ab_pow4_im[2]),
.ab_pow5_re2 (ab_pow5_re[2]),
.ab_pow5_im2 (ab_pow5_im[2]),
.ab_pow6_re2 (ab_pow6_re[2]),
.ab_pow6_im2 (ab_pow6_im[2]),
.ab_pow7_re2 (ab_pow7_re[2]),
.ab_pow7_im2 (ab_pow7_im[2]),
.b_pow8_re2 (b_pow8_re[2] ),
.b_pow8_im2 (b_pow8_im[2] ),
.a_re3 (ao_re[3] ),
.a_im3 (ao_im[3] ),
.b_re3 (bo_re[3] ),
.b_im3 (bo_im[3] ),
.ab_re3 (ab_re[3] ),
.ab_im3 (ab_im[3] ),
.abb_re3 (abb_re[3] ),
.abb_im3 (abb_im[3] ),
.ab_pow3_re3 (ab_pow3_re[3]),
.ab_pow3_im3 (ab_pow3_im[3]),
.ab_pow4_re3 (ab_pow4_re[3]),
.ab_pow4_im3 (ab_pow4_im[3]),
.ab_pow5_re3 (ab_pow5_re[3]),
.ab_pow5_im3 (ab_pow5_im[3]),
.ab_pow6_re3 (ab_pow6_re[3]),
.ab_pow6_im3 (ab_pow6_im[3]),
.ab_pow7_re3 (ab_pow7_re[3]),
.ab_pow7_im3 (ab_pow7_im[3]),
.b_pow8_re3 (b_pow8_re[3] ),
.b_pow8_im3 (b_pow8_im[3] ),
.a_re4 (ao_re[4] ),
.a_im4 (ao_im[4] ),
.b_re4 (bo_re[4] ),
.b_im4 (bo_im[4] ),
.ab_re4 (ab_re[4] ),
.ab_im4 (ab_im[4] ),
.abb_re4 (abb_re[4] ),
.abb_im4 (abb_im[4] ),
.ab_pow3_re4 (ab_pow3_re[4]),
.ab_pow3_im4 (ab_pow3_im[4]),
.ab_pow4_re4 (ab_pow4_re[4]),
.ab_pow4_im4 (ab_pow4_im[4]),
.ab_pow5_re4 (ab_pow5_re[4]),
.ab_pow5_im4 (ab_pow5_im[4]),
.ab_pow6_re4 (ab_pow6_re[4]),
.ab_pow6_im4 (ab_pow6_im[4]),
.ab_pow7_re4 (ab_pow7_re[4]),
.ab_pow7_im4 (ab_pow7_im[4]),
.b_pow8_re4 (b_pow8_re[4] ),
.b_pow8_im4 (b_pow8_im[4] ),
.a_re5 (ao_re[5] ),
.a_im5 (ao_im[5] ),
.b_re5 (bo_re[5] ),
.b_im5 (bo_im[5] ),
.ab_re5 (ab_re[5] ),
.ab_im5 (ab_im[5] ),
.abb_re5 (abb_re[5] ),
.abb_im5 (abb_im[5] ),
.ab_pow3_re5 (ab_pow3_re[5]),
.ab_pow3_im5 (ab_pow3_im[5]),
.ab_pow4_re5 (ab_pow4_re[5]),
.ab_pow4_im5 (ab_pow4_im[5]),
.ab_pow5_re5 (ab_pow5_re[5]),
.ab_pow5_im5 (ab_pow5_im[5]),
.ab_pow6_re5 (ab_pow6_re[5]),
.ab_pow6_im5 (ab_pow6_im[5]),
.ab_pow7_re5 (ab_pow7_re[5]),
.ab_pow7_im5 (ab_pow7_im[5]),
.b_pow8_re5 (b_pow8_re[5] ),
.b_pow8_im5 (b_pow8_im[5] )
);
initial begin
clk = 0;

5
sim/z_dsp/files.f
View File

@ -1,12 +1,13 @@
../../rtl/z_dsp/z_dsp.sv
../../rtl/z_dsp/TailCorr_top.v
../../rtl/z_dsp/IIR_top.v
../../rtl/z_dsp/rate_adapter.v
../../rtl/z_dsp/IIR_top.v
../../rtl/z_dsp/IIR_Filter_p1.v
../../rtl/z_dsp/IIR_Filter_p8.v
../../rtl/z_dsp/CoefGen.sv
../../rtl/z_dsp/diff_p.v
../../rtl/z_dsp/s2p_2.v
../../rtl/z_dsp/FixRound.v
../../rtl/z_dsp/Trunc.v
../../rtl/z_dsp/mult_C.v
../../rtl/z_dsp/mult_x.v
../../rtl/z_dsp/syncer.v

62
sim/z_dsp/tb_z_dsp.v
View File

@ -1,37 +1,5 @@
`timescale 1 ns/1 ns
module TB();
//+FHDR--------------------------------------------------------------------------------------------------------
// Company:
//-----------------------------------------------------------------------------------------------------------------
// File Name : tb_TailCorr_en.v
// Department : HFNL
// Author : thfu
// Author's Tel :
//-----------------------------------------------------------------------------------------------------------------
// Relese History
// Version Date Author Description
// 2025-03-03 thfu
//-----------------------------------------------------------------------------------------------------------------
// Keywords :
//
//-----------------------------------------------------------------------------------------------------------------
// Parameter
//
//-----------------------------------------------------------------------------------------------------------------
// Purpose :
//
//-----------------------------------------------------------------------------------------------------------------
// Target Device:
// Tool versions:
//-----------------------------------------------------------------------------------------------------------------
// Reuse Issues
// Reset Strategy:
// Clock Domains:
// Critical Timing:
// Asynchronous I/F:
// Synthesizable (y/n):
// Other:
//-FHDR--------------------------------------------------------------------------------------------------------
reg [1 :0] source_mode;
@ -72,6 +40,18 @@ initial begin
vldi_data <= 0;
vldi_coef <= 0;
din_rect = 16'd0;
a_re[3] <= 0;
a_im[3] <= 0;
b_re[3] <= 0;
b_im[3] <= 0;
a_re[4] <= 0;
a_im[4] <= 0;
b_re[4] <= 0;
b_im[4] <= 0;
a_re[5] <= 0;
a_im[5] <= 0;
b_re[5] <= 0;
b_im[5] <= 0;
repeat(3) @(posedge clk);
vldi_coef[0] <= 1;
rstn = 1;
@ -118,6 +98,7 @@ initial begin
end
reg [21:0] cnt;
always@(posedge clk or negedge rstn)
if(!rstn)
@ -178,12 +159,14 @@ integer status[3:0];
reg [15:0] reg_array[3:0];
initial begin
string filenames[0:3] = {"in0_matlab.dat", "in1_matlab.dat", "in2_matlab.dat", "in3_matlab.dat"};
for (int i = 0; i < 4; i = i + 1) begin
file[i] = $fopen(filenames[i], "r");
if (file[i] == 0) begin
$display("Failed to open file: %s", filenames[i]);
$finish;
if(source_mode == 3) begin
string filenames[0:3] = {"in0_matlab.dat", "in1_matlab.dat", "in2_matlab.dat", "in3_matlab.dat"};
for (int i = 0; i < 4; i = i + 1) begin
file[i] = $fopen(filenames[i], "r");
if (file[i] == 0) begin
$display("Failed to open file: %s", filenames[i]);
$finish;
end
end
end
end
@ -193,7 +176,7 @@ end
for (int i = 0; i < 4; i = i + 1) begin
reg_array[i] <= 16'd0;
end
end else if(vldi_data) begin
end else if(vldi_data && source_mode == 3) begin
for (int i = 0; i < 4; i = i + 1) begin
status[i] = $fscanf(file[i], "%d\n", data[i]);
if (status[i] == 1 ) begin
@ -206,6 +189,7 @@ end
end
end
end
reg signed [15:0] iir_in[3:0];
always @(*)