verilog初学者求助

给你一段我写的代码，仅供参考。
一般来说我习惯用sv写了，好处是端口不用写两遍，另外端口定义里面就有方向，这样顶层instance时把端口定义部分复制过去就好，接线时也能知道方向和位宽，这部分还可以复制一份当信号声明，反正都用logic，很方便。
至于信号名，在顶层不一定需要和模块名一致，当然能一致最好，有时候做不到，比如我的例子里面，一个模块instance了20个，还是两组，不可能名字一样
generate
genvar i,k;
for (i=0;i<16;i=i+1) begin : u2
calculate_cell u_val_cal_inst(
/*input logic */ .clk_timer (clk_timer ),
/*input logic */ .rst_n (rst_n ),
/*input logic [31:0] */ .t_in (cnt_reload_new[cal_t_index[i]] ),
/*input logic [31:0] */ .d_in (dac_cnt_array[cal_in_index[i]] ),
/*input logic [31:0] */ .cal_in (calculater_input ),
/*input logic [ 4:0] */ .cal_in_off (cal_in_off[i] ),
/*input logic [ 4:0] */ .cal_lim_up (cal_lim_up[i] ),
/*input logic [ 4:0] */ .cal_lim_lo (cal_lim_lo[i] ),
/*input logic [ 4:0] */ .t_param (cal_t_param[i] ),
/*input logic [ 4:0] */ .d_param (cal_d_param[i] ),
/*input logic [ 4:0] */ .lu_param (cal_lu_param[i] ),
/*input logic [ 4:0] */ .ll_param (cal_ll_param[i] ),
/*input logic */ .lu_en (cal_lu_en[i] ),
/*input logic */ .ll_en (cal_ll_en[i] ),
/*output logic */ .uplo_overflow (cal_uplo_overflow[i] ),
/*output logic [31:0] */ .cal_out (cal_value[i] )
);
end
for (k=0;k<4;k=k+1) begin : u3
calculate_cell u_cnt_cal_inst(
/*input logic */ .clk_timer (clk_timer ),
/*input logic */ .rst_n (rst_n ),
/*input logic [31:0] */ .t_in (32'b0 ),
/*input logic [31:0] */ .d_in (dac_value_sv[cnt_dac_index[k]] ),
/*input logic [31:0] */ .cal_in (calculater_input ),
/*input logic [ 4:0] */ .cal_in_off (cnt_in_off[k] ),
/*input logic [ 4:0] */ .cal_lim_up (cnt_lim_up[k] ),
/*input logic [ 4:0] */ .cal_lim_lo (cnt_lim_lo[k] ),
/*input logic [ 4:0] */ .t_param (5'b0 ),
/*input logic [ 4:0] */ .d_param (cnt_d_param[k] ),
/*input logic [ 4:0] */ .lu_param (5'b0 ),
/*input logic [ 4:0] */ .ll_param (5'b0 ),
/*input logic */ .lu_en (cnt_lu_en[k] ),
/*input logic */ .ll_en (cnt_ll_en[k] ),
/*output logic */ .uplo_overflow (cal_uplo_overflow[k+16] ),
/*output logic [31:0] */ .cal_out (cnt_value_cal[k] )
);
end
endgenerate