data_control.v

Xilinx高级试验的代码.zip 非常不错

module data_control (clk, reset, pn_lock_rd_clk, rd_data_cha, rd_data_chb, rd_data_chc, rd_data_chd, 
		     rd, final_data, almost_full, almost_empty, full, empty, valid_ch, mac_cha, 
		     mac_chb, mac_chc, mac_chd, mac_dv);
    input clk, reset;
    input [7:0] rd_data_cha, rd_data_chb, rd_data_chc, rd_data_chd;
    input [3:0] pn_lock_rd_clk, almost_full, almost_empty, full, empty;
    output [3:0] rd;
    output [7:0] final_data;
    output [3:0] valid_ch;
    output [20:0] mac_cha, mac_chb, mac_chc, mac_chd;
    output [3:0]	  mac_dv;

    wire [3:0] 	  data_valid;
    wire 	  waiting_cntr_en, next_ch_en, dv_enable;
    wire [3:0] 	  next_ch;

    mac mac_inst
      (.clk(clk), 
       .reset(reset), 
       .rd_data_cha(rd_data_cha), 
       .rd_data_chb(rd_data_chb), 
       .rd_data_chc(rd_data_chc), 
       .rd_data_chd(rd_data_chd), 
       .data_valid(data_valid), 
       .mac_cha(mac_cha),
       .mac_chb(mac_chb), 
       .mac_chc(mac_chc), 
       .mac_chd(mac_chd), 
       .mac_dv(mac_dv),
       .dv_enable(dv_enable));

    data_output_mux data_output_mux_inst
      (.clk(clk), 
       .reset(reset), 
       .data_valid(data_valid), 
       .data_cha(rd_data_cha), 
       .data_chb(rd_data_chb), 
       .data_chc(rd_data_chc), 
       .data_chd(rd_data_chd), 
       .final_data(final_data), 
       .valid_ch(valid_ch),
       .dv_enable(dv_enable)); 

    read_ch_arbiter read_ch_arbiter_inst
      (.clk(clk), 
       .reset(reset), 
       .waiting_cntr_en(waiting_cntr_en), 
       .next_ch_en(next_ch_en), 
       .pn_lock_rd_clk(pn_lock_rd_clk), 
       .almost_full(almost_full), 
       .almost_empty(almost_empty),
       .full(full),
       .empty(empty),
       .next_ch(next_ch));

    data_control_fsm data_control_fsm_inst
      (.clk(clk), 
       .reset(reset), 
       .rd(rd), 
       .waiting_cntr_en(waiting_cntr_en), 
       .next_ch_en(next_ch_en), 
       .next_ch(next_ch), 
       .data_valid(data_valid),
       .dv_enable(dv_enable));   

endmodule // data_control