ps2_mouse_top.v

本实验利用PS/2接口实现了与鼠标通信

////////////////////////////////////////////////////////////////////////////////
//                __     ___ _               ___ ____                         //
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//                                                                            //
////////////////////////////////////////////////////////////////////////////////
// 	   Copyright (C) 2003-2006 VibesIC, Inc.   All rights reserved.           //
//----------------------------------------------------------------------------//
// This source code is provided by VibesIC,and be verified on VibesIC FPGA    //
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////////////////////////////////////////////////////////////////////////////////
//  Company:       www.richic.com                                             //
//  Company bbs:   www.edacn.net                                              //
//  Engineer:      alex_yang                                                  //
//                                                                            //
//  Target Device: XC3S400-PQ208                                              //
//  Tool versions: Simulation:    ModelSim SE 6.2a                            //
//                 Synthesis:     XST(ise8.1...sp3)                           //
//                 Place&Routing: ISE8.1...sp3                                //
//                 Others tools:  UltraEdit-32 12.10a                         //
//  Create Date:   2006-12-21 14:29                                           //
//  Description:                                                              //
//                                                                            //
//  LOG:                                                                      //
//       1. Revision 1.0 (Initial version)  2006-12-21 14:29  alex_yang       //
//                                                                            //
//       2. Revision 1.1  2006-12-23 15:24   alex_yang                        //
//          Modify for VX-SP306                                               //
////////////////////////////////////////////////////////////////////////////////

`timescale 1ns/1ns

module ps2_mouse_top(
	                  clk,
	                  rst_n,
	                  ps2_clk,
                    ps2_data, 
                    hc_si,
	                  hc_cp
                    );
input	    clk;
input	    rst_n;
inout     ps2_clk;
inout     ps2_data;
output    hc_si;  
output    hc_cp;

wire mouse_left;
wire mouse_right;
wire mouse_ack;
wire [8:0] x_increment;
wire [8:0] y_increment;
wire [9:0] x_pos;
wire [9:0] y_pos;


// ---------------------------------------------------------------------------
// 例化PS/2 Mouse
// ---------------------------------------------------------------------------
  mouse_pos mouse_pos_inst1(
    .clk        ( clk ),
    .rst_n      ( rst_n ), 
    .ps2_clk    ( ps2_clk ),
    .ps2_data   ( ps2_data ),
    .mouse_left ( mouse_left ),
    .mouse_right( mouse_right ),
    .mouse_ack  ( mouse_ack ),
    .x_increment( x_increment ),
    .y_increment( y_increment ),
    .x_pos      ( x_pos),
    .y_pos      ( y_pos)
    );

// ---------------------------------------------------------------------------
// 例化hc164的驱动程序
// ---------------------------------------------------------------------------
  hc164_driver hc164_driver_inst(
      .clk         ( clk ),
      .rst_n       ( rst_n ),
      .led         ( {{2{mouse_left}},{2{mouse_right}}} ),
      .dot         ( {{2{mouse_left}},{2{mouse_right}}} ),
      .seg_value   ( {y_increment[7:0],x_increment[7:0]} ),
      .hc_cp       ( hc_cp ), 
      .hc_si       ( hc_si )  
      );
endmodule