| 1 |
11 |
smpickett |
//==================================================================//
|
| 2 |
|
|
// File: d_MouseInput.v //
|
| 3 |
|
|
// Version: 0.0.0.2 //
|
| 4 |
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -//
|
| 5 |
|
|
// Copyright (C) Stephen Pickett //
|
| 6 |
|
|
// Jun 08, 2005 //
|
| 7 |
|
|
// //
|
| 8 |
|
|
// This program is free software; you can redistribute it and/or //
|
| 9 |
|
|
// modify it under the terms of the GNU General Public License //
|
| 10 |
|
|
// as published by the Free Software Foundation; either version 2 //
|
| 11 |
|
|
// of the License, or (at your option) any later version. //
|
| 12 |
|
|
// //
|
| 13 |
|
|
// This program is distributed in the hope that it will be useful, //
|
| 14 |
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
|
| 15 |
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
|
| 16 |
|
|
// GNU General Public License for more details. //
|
| 17 |
|
|
// //
|
| 18 |
|
|
// If you have not received a copy of the GNU General Public License//
|
| 19 |
|
|
// along with this program; write to: //
|
| 20 |
|
|
// Free Software Foundation, Inc., //
|
| 21 |
|
|
// 51 Franklin Street, Fifth Floor, //
|
| 22 |
|
|
// Boston, MA 02110-1301, USA. //
|
| 23 |
|
|
// //
|
| 24 |
|
|
//------------------------------------------------------------------//
|
| 25 |
|
|
// Revisions: //
|
| 26 |
|
|
// Ver 0.0.0.1 May , 2005 Under Development //
|
| 27 |
|
|
// Ver 0.0.0.2 Jun 08, 2005 Modulized 'UserLines' //
|
| 28 |
|
|
// //
|
| 29 |
|
|
//==================================================================//
|
| 30 |
|
|
|
| 31 |
|
|
module Driver_MouseInput(
|
| 32 |
|
|
CLK_50MHZ, MASTER_RST,
|
| 33 |
|
|
XCOORD, YCOORD, L_BUTTON, R_BUTTON, M_BUTTON,
|
| 34 |
|
|
TRIGGER_LEVEL
|
| 35 |
|
|
);
|
| 36 |
|
|
|
| 37 |
|
|
|
| 38 |
|
|
//==================================================================//
|
| 39 |
|
|
// PARAMETER DEFINITIONS //
|
| 40 |
|
|
//==================================================================//
|
| 41 |
|
|
parameter P_trigger_clickLimit_left = 10'd556;
|
| 42 |
|
|
parameter P_trigger_clickLimit_right = 10'd558;
|
| 43 |
|
|
|
| 44 |
|
|
|
| 45 |
|
|
//==================================================================//
|
| 46 |
|
|
// VARIABLE DEFINITIONS //
|
| 47 |
|
|
//==================================================================//
|
| 48 |
|
|
//----------------------//
|
| 49 |
|
|
// INPUTS / OUTPUTS //
|
| 50 |
|
|
//----------------------//
|
| 51 |
|
|
input CLK_50MHZ; // System wide clock
|
| 52 |
|
|
input MASTER_RST; // System wide reset
|
| 53 |
|
|
input[9:0] XCOORD; // X coordinate of the cursor
|
| 54 |
|
|
input[9:0] YCOORD; // Y coordinate of the cursor
|
| 55 |
|
|
input L_BUTTON; // Left Mouse Button Press
|
| 56 |
|
|
input R_BUTTON; // Right Mouse Button Press
|
| 57 |
|
|
input M_BUTTON; // Middle Mouse Button Press
|
| 58 |
|
|
output[9:0] TRIGGER_LEVEL; // Current Trigger Level
|
| 59 |
|
|
|
| 60 |
|
|
//----------------------//
|
| 61 |
|
|
// WIRES / NODES //
|
| 62 |
|
|
//----------------------//
|
| 63 |
|
|
wire CLK_50MHZ, MASTER_RST;
|
| 64 |
|
|
wire[9:0] XCOORD;
|
| 65 |
|
|
wire[9:0] YCOORD;
|
| 66 |
|
|
wire L_BUTTON, R_BUTTON, M_BUTTON;
|
| 67 |
|
|
wire[9:0] TRIGGER_LEVEL;
|
| 68 |
|
|
|
| 69 |
|
|
//----------------------//
|
| 70 |
|
|
// REGISTERS //
|
| 71 |
|
|
//----------------------//
|
| 72 |
|
|
|
| 73 |
|
|
|
| 74 |
|
|
//----------------------//
|
| 75 |
|
|
// TESTING //
|
| 76 |
|
|
//----------------------//
|
| 77 |
|
|
|
| 78 |
|
|
|
| 79 |
|
|
|
| 80 |
|
|
|
| 81 |
|
|
//==================================================================//
|
| 82 |
|
|
// FUNCTIONAL DEFINITIONS //
|
| 83 |
|
|
//==================================================================//
|
| 84 |
|
|
|
| 85 |
|
|
//------------------------------------------------------------------//
|
| 86 |
|
|
// INTERMEDIATES //
|
| 87 |
|
|
//------------------------------------------------------------------//
|
| 88 |
|
|
|
| 89 |
|
|
// -- LEFT BUTTON --
|
| 90 |
|
|
wire Lrise, Lfall;
|
| 91 |
|
|
reg Lbuf;
|
| 92 |
|
|
always @ (posedge CLK_50MHZ or posedge MASTER_RST) begin
|
| 93 |
|
|
if(MASTER_RST == 1'b1) Lbuf <= 1'b0;
|
| 94 |
|
|
else Lbuf <= L_BUTTON;
|
| 95 |
|
|
end
|
| 96 |
|
|
|
| 97 |
|
|
assign Lrise = (!Lbuf & L_BUTTON);
|
| 98 |
|
|
assign Lfall = ( Lbuf & !L_BUTTON);
|
| 99 |
|
|
|
| 100 |
|
|
// -- RIGHT BUTTON --
|
| 101 |
|
|
wire Rrise, Rfall;
|
| 102 |
|
|
reg Rbuf;
|
| 103 |
|
|
always @ (posedge CLK_50MHZ or posedge MASTER_RST) begin
|
| 104 |
|
|
if(MASTER_RST == 1'b1) Rbuf <= 1'b0;
|
| 105 |
|
|
else Rbuf <= R_BUTTON;
|
| 106 |
|
|
end
|
| 107 |
|
|
|
| 108 |
|
|
assign Rrise = (!Rbuf & R_BUTTON);
|
| 109 |
|
|
assign Rfall = ( Rbuf & !R_BUTTON);
|
| 110 |
|
|
|
| 111 |
|
|
|
| 112 |
|
|
// -- MIDDLE BUTTON --
|
| 113 |
|
|
wire Mrise, Mfall;
|
| 114 |
|
|
reg Mbuf;
|
| 115 |
|
|
always @ (posedge CLK_50MHZ or posedge MASTER_RST) begin
|
| 116 |
|
|
if(MASTER_RST == 1'b1) Mbuf <= 1'b0;
|
| 117 |
|
|
else Mbuf <= M_BUTTON;
|
| 118 |
|
|
end
|
| 119 |
|
|
|
| 120 |
|
|
assign Mrise = (!Mbuf & M_BUTTON);
|
| 121 |
|
|
assign Mfall = ( Mbuf & !M_BUTTON);
|
| 122 |
|
|
|
| 123 |
|
|
|
| 124 |
|
|
//------------------------------------------------------------------//
|
| 125 |
|
|
// USER MODIFIABLE LINES //
|
| 126 |
|
|
//------------------------------------------------------------------//
|
| 127 |
|
|
sub_UserLines set_trigger(
|
| 128 |
|
|
.MASTER_CLK(CLK_50MHZ), .MASTER_RST(MASTER_RST),
|
| 129 |
|
|
.LINE_VALUE_OUT(TRIGGER_LEVEL),
|
| 130 |
|
|
.BUTTON_RISE(Lrise),
|
| 131 |
|
|
.BUTTON_FALL(Lfall),
|
| 132 |
|
|
.XCOORD(XCOORD),
|
| 133 |
|
|
.YCOORD(YCOORD),
|
| 134 |
|
|
.LEFT(P_trigger_clickLimit_left),
|
| 135 |
|
|
.RGHT(P_trigger_clickLimit_right),
|
| 136 |
|
|
.BOT(TRIGGER_LEVEL-1'b1),
|
| 137 |
|
|
.TOP(TRIGGER_LEVEL+1'b1),
|
| 138 |
|
|
.SETXnY(1'b0)
|
| 139 |
|
|
);
|
| 140 |
|
|
|
| 141 |
|
|
|
| 142 |
|
|
|
| 143 |
|
|
endmodule
|
| 144 |
|
|
|
