module CSHM #(parameter data_width=8,order=4)
(y,in,clk,reset_n);
wire [data_width-1:0]coeff[0:order-1];
output reg signed [2*data_width-1:0]y;
input clk,reset_n;
input signed[data_width-1:0]in;
integer i;
wire [15:0] product1,product2,product3,product4,product5,product6,product7,product8;
wire signed[3:0]lsboutputcoeff;
wire signed[7:4]msboutputcoeff;
wire signed[2:0]lsbcount,msbcount;
wire signed[2:0]lsbselect,msbselect;
wire signed[2*data_width-1:0]muxoutput,shiftoutlsb,shiftoutmsb;
wire [3:0] lsbcoeff;
wire [7:4] msbcoeff;
//reg [7:0] this_coeff;
wire [2:0]inputshift;
wire signed[15:0]muxout;
wire signed[15:0]leftshiftone,leftshifttwo,leftshiftthree;
wire [15:0]outputshift;
bankofprecomputers b1(.product1(product1),.product2(product2),.product3(product3),.product4(product4),.product5(product5),.product6(product6),.product7(product7),.product8(product8),.in(in));
genvar count;
generate
assign coeff[0]= 8'd1;
assign coeff[1]= 8'd2;
assign coeff[2]= 8'd3;
assign coeff[3]= 8'd4;
for(count = 0; count < order ; count = count+1)
begin : gen_loop
assign lsbcoeff = coeff[count][3:0];
assign msbcoeff = coeff[count][7:4];
shifter s1(.lsboutputcoeff(lsboutputcoeff),.msboutputcoeff(msboutputcoeff),.lsbselect(lsbselect),.msbselect(msbselect),.lsbcount(lsbcount),.msbcount(msbcount),.lsbcoeff(lsbcoeff),.msbcoeff(msbcoeff));
end
endgenerate
mux8_1msb m1(.muxoutput(muxoutput),.msbselect(msbselect),.product1(product1),.product2(product2),.product3(product3),.product4(product4),.product5(product5),.product6(product6),.product7(product7),.product8(product8));
mux8_1LSB m2(.muxoutput(muxoutput),.lsbselect(lsbselect),.product1(product1),.product2(product2),.product3(product3),.product4(product4),.product5(product5),.product6(product6),.product7(product7),.product8(product8));
inverse_shifter is1(.shiftoutmsb(shiftoutmsb),.muxoutput(muxoutput),.msbcount(msbcount));
inverse_shifter_LSB is2 (.shiftoutlsb(shiftoutlsb),.muxoutput(muxoutput),.lsbcount(lsbcount));
[email protected](negedge clk)
begin
y = shiftoutmsb+shiftoutlsb;
end
endmodule
当即时试图合成,即时得到误差作为错误的Verilog,使用生成语句CSHM筛选编码
多源在上信号lsbcoeff3股;这个信号是 连接到多个驱动程序。
多信号源单元信号lsbcoeff0;这个信号是 连接到多个驱动程序。
如果我错在任何地方,请指导我
即时得到相同的错误... :( –
@SugureshKumarArali,更新问题中的代码我怀疑你得到了完全相同的错误信息,如果你做了正确的更改,我看到相同的多驱动程序问题'lsboutputcoeff'和'msboutputcoeff'。提醒一下,生成块中的循环并行运行,不是程序性的。 – Greg
好吧,但我有4个系数,必须分成LSB和MSB系数,必须更新请引导我,它是一个CSHM过滤器体系结构 –