📄 usb1_rom1.v
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/////////////////////////////////////////////////////////////////////
//// ////
//// Descriptor ROM ////
//// ////
//// ////
//// Author: Rudolf Usselmann ////
//// rudi@asics.ws ////
//// ////
//// ////
//// Downloaded from: http://www.opencores.org/cores/usb1_funct/////
//// ////
/////////////////////////////////////////////////////////////////////
//// ////
//// Copyright (C) 2000-2002 Rudolf Usselmann ////
//// www.asics.ws ////
//// rudi@asics.ws ////
//// ////
//// This source file may be used and distributed without ////
//// restriction provided that this copyright statement is not ////
//// removed from the file and that any derivative work contains ////
//// the original copyright notice and the associated disclaimer.////
//// ////
//// THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY ////
//// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED ////
//// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS ////
//// FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE AUTHOR ////
//// OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, ////
//// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES ////
//// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE ////
//// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR ////
//// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF ////
//// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ////
//// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT ////
//// OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE ////
//// POSSIBILITY OF SUCH DAMAGE. ////
//// ////
/////////////////////////////////////////////////////////////////////
// CVS Log
//
// $Id: usb1_rom1.v,v 1.1.1.1 2002/09/19 12:07:29 rudi Exp $
//
// $Date: 2002/09/19 12:07:29 $
// $Revision: 1.1.1.1 $
// $Author: rudi $
// $Locker: $
// $State: Exp $
//
// Change History:
// $Log: usb1_rom1.v,v $
// Revision 1.1.1.1 2002/09/19 12:07:29 rudi
// Initial Checkin
//
//
//
//
//
//
`include "usb1_defines.v"
module usb1_rom1(clk, adr, dout);
input clk;
input [6:0] adr;
output [7:0] dout;
reg [7:0] dout;
always @(posedge clk)
case(adr) // synopsys full_case parallel_case
// ====================================
// ===== DEVICE Descriptor =====
// ====================================
7'h00: dout <= #1 8'd18; // this descriptor length
7'h01: dout <= #1 8'h01; // descriptor type
7'h02: dout <= #1 8'h10; // USB version low byte
7'h03: dout <= #1 8'h01; // USB version high byte
7'h04: dout <= #1 8'h00; // device class
7'h05: dout <= #1 8'h00; // device sub class
7'h06: dout <= #1 8'h00; // device protocol
7'h07: dout <= #1 8'd64; // max packet size
7'h08: dout <= #1 8'h34; // vendor ID low byte
7'h09: dout <= #1 8'h12; // vendor ID high byte
7'h0a: dout <= #1 8'h78; // product ID low byte
7'h0b: dout <= #1 8'h56; // product ID high byte
7'h0c: dout <= #1 8'h10; // device rel. number low byte
7'h0d: dout <= #1 8'h00; // device rel. number high byte
7'h0e: dout <= #1 8'h01; // Manufacturer String Index
7'h0f: dout <= #1 8'h02; // Product Descr. String Index
7'h10: dout <= #1 8'h00; // S/N String Index
7'h11: dout <= #1 8'h01; // Number of possible config.
// ====================================
// ===== Configuration Descriptor =====
// ====================================
7'h12: dout <= #1 8'h09; // this descriptor length
7'h13: dout <= #1 8'h02; // descriptor type
7'h14: dout <= #1 8'h22; // total data length low byte
7'h15: dout <= #1 8'd00; // total data length high byte
7'h16: dout <= #1 8'h01; // number of interfaces
7'h17: dout <= #1 8'h01; // number of configurations
7'h18: dout <= #1 8'h00; // Conf. String Index
7'h19: dout <= #1 8'ha0; // Config. Characteristics
7'h1a: dout <= #1 8'h32; // Max. Power Consumption
// ====================================
// ===== Interface Descriptor =====
// ====================================
7'h1b: dout <= #1 8'h09; // this descriptor length
7'h1c: dout <= #1 8'h04; // descriptor type
7'h1d: dout <= #1 8'h00; // interface number
7'h1e: dout <= #1 8'h00; // alternate setting
7'h1f: dout <= #1 8'h01; // number of endpoints
7'h20: dout <= #1 8'h03; // interface class
7'h21: dout <= #1 8'h00; // interface sub class
7'h22: dout <= #1 8'h00; // interface protocol
7'h23: dout <= #1 8'h00; // interface string index
// ====================================
// ===== HID Descriptor =====
// ====================================
7'h24: dout <= #1 8'h09; // this descriptor length
7'h25: dout <= #1 8'h21; // descriptor type
7'h26: dout <= #1 8'h00; // HID version low byte
7'h27: dout <= #1 8'h01; // HID version high byte
7'h28: dout <= #1 8'h00; // hardware target country
7'h29: dout <= #1 8'h01; // number of HID descriptors
7'h2a: dout <= #1 8'h22; // report descriptor type
7'h2b: dout <= #1 8'h1c; // length of report descriptor low byte
7'h2c: dout <= #1 8'h00; // length of report descriptor high byte
// ====================================
// ===== Endpoint 1 Descriptor =====
// ====================================
7'h2d: dout <= #1 8'h07; // this descriptor length
7'h2e: dout <= #1 8'h05; // descriptor type
7'h2f: dout <= #1 8'h81; // endpoint address
7'h30: dout <= #1 8'h03; // endpoint attributes
7'h31: dout <= #1 8'h04; // max packet size low byte
7'h32: dout <= #1 8'h00; // max packet size high byte
7'h33: dout <= #1 8'h0a; // polling interval
// ====================================
// ===== String 0 Descriptor =====
// ====================================
7'h34: dout <= #1 8'h04; // language ID
7'h35: dout <= #1 8'h03;
7'h36: dout <= #1 8'h09;
7'h37: dout <= #1 8'h04;
// ====================================
// ===== String 1 Descriptor =====
// ====================================
7'h38: dout <= #1 8'h10;
7'h39: dout <= #1 8'h03;
7'h3a: dout <= #1 8'h45; // "EDAKING" Unicode
7'h3b: dout <= #1 8'h00;
7'h3c: dout <= #1 8'h44;
7'h3d: dout <= #1 8'h00;
7'h3e: dout <= #1 8'h41;
7'h3f: dout <= #1 8'h00;
7'h40: dout <= #1 8'h4b;
7'h41: dout <= #1 8'h00;
7'h42: dout <= #1 8'h49;
7'h43: dout <= #1 8'h00;
7'h44: dout <= #1 8'h4e;
7'h45: dout <= #1 8'h00;
7'h46: dout <= #1 8'h47;
7'h47: dout <= #1 8'h00;
// ====================================
// ===== String 2 Descriptor =====
// ====================================
7'h48: dout <= #1 8'h1c; // "Button Lights" Unicode
7'h49: dout <= #1 8'h03;
7'h4a: dout <= #1 8'h42;
7'h4b: dout <= #1 8'h00;
7'h4c: dout <= #1 8'h75;
7'h4d: dout <= #1 8'h00;
7'h4e: dout <= #1 8'h74;
7'h4f: dout <= #1 8'h00;
7'h50: dout <= #1 8'h74;
7'h51: dout <= #1 8'h00;
7'h52: dout <= #1 8'h6f;
7'h53: dout <= #1 8'h00;
7'h54: dout <= #1 8'h6e;
7'h55: dout <= #1 8'h00;
7'h56: dout <= #1 8'h20;
7'h57: dout <= #1 8'h00;
7'h58: dout <= #1 8'h4c;
7'h59: dout <= #1 8'h00;
7'h5a: dout <= #1 8'h69;
7'h5b: dout <= #1 8'h00;
7'h5c: dout <= #1 8'h67;
7'h5d: dout <= #1 8'h00;
7'h5e: dout <= #1 8'h68;
7'h5f: dout <= #1 8'h00;
7'h60: dout <= #1 8'h74;
7'h61: dout <= #1 8'h00;
7'h62: dout <= #1 8'h73;
7'h63: dout <= #1 8'h00;
// ====================================
// ===== Report Descriptor =====
// ====================================
7'h64: dout <= #1 8'h06; // Usage_Page (Vender Defined)
7'h65: dout <= #1 8'h00;
7'h66: dout <= #1 8'hff;
7'h67: dout <= #1 8'h09; // Usage (I/O Device)
7'h68: dout <= #1 8'h01;
7'h69: dout <= #1 8'ha1; // Collection (Application)
7'h6a: dout <= #1 8'h01;
7'h6b: dout <= #1 8'h19; // Usage_Minimum (Button 1)
7'h6c: dout <= #1 8'h01;
7'h6d: dout <= #1 8'h29; // Usage_Maximum (Button 8)
7'h6e: dout <= #1 8'h08;
7'h6f: dout <= #1 8'h15; // Logical_Minimum (0)
7'h70: dout <= #1 8'h00;
7'h71: dout <= #1 8'h25; // Logical_Maximum (1)
7'h72: dout <= #1 8'h01;
7'h73: dout <= #1 8'h75; // Report_Size (1)
7'h74: dout <= #1 8'h01;
7'h75: dout <= #1 8'h95; // Report_Count (8)
7'h76: dout <= #1 8'h08;
7'h77: dout <= #1 8'h81; // Input (Data, Var, Abs)
7'h78: dout <= #1 8'h02;
7'h79: dout <= #1 8'h19; // Usage_Minimum (LED 1)
7'h7a: dout <= #1 8'h01;
7'h7b: dout <= #1 8'h29; // Usage_Maximum (LED 8)
7'h7c: dout <= #1 8'h08;
7'h7d: dout <= #1 8'h91; // Output (Data, Var, Abs)
7'h7e: dout <= #1 8'h02;
7'h7f: dout <= #1 8'hc0; // End Collection
/* // ====================================
// ===== Endpoint 1 Descriptor =====
// ====================================
7'h24: dout <= #1 8'h07; // this descriptor length
7'h25: dout <= #1 8'h05; // descriptor type
7'h26: dout <= #1 8'h81; // endpoint address
7'h27: dout <= #1 8'h01; // endpoint attributes
7'h28: dout <= #1 8'h00; // max packet size low byte
7'h29: dout <= #1 8'h01; // max packet size high byte
7'h2a: dout <= #1 8'h01; // polling interval
// ====================================
// ===== Endpoint 2 Descriptor =====
// ====================================
7'h2b: dout <= #1 8'h07; // this descriptor length
7'h2c: dout <= #1 8'h05; // descriptor type
7'h2d: dout <= #1 8'h02; // endpoint address
7'h2e: dout <= #1 8'h01; // endpoint attributes
7'h2f: dout <= #1 8'h00; // max packet size low byte
7'h30: dout <= #1 8'h01; // max packet size high byte
7'h31: dout <= #1 8'h01; // polling interval
// ====================================
// ===== Endpoint 3 Descriptor =====
// ====================================
7'h32: dout <= #1 8'h07; // this descriptor length
7'h33: dout <= #1 8'h05; // descriptor type
7'h34: dout <= #1 8'h83; // endpoint address
7'h35: dout <= #1 8'h02; // endpoint attributes
7'h36: dout <= #1 8'd64; // max packet size low byte
7'h37: dout <= #1 8'd00; // max packet size high byte
7'h38: dout <= #1 8'h01; // polling interval
// ====================================
// ===== Endpoint 4 Descriptor =====
// ====================================
7'h39: dout <= #1 8'h07; // this descriptor length
7'h3a: dout <= #1 8'h05; // descriptor type
7'h3b: dout <= #1 8'h04; // endpoint address
7'h3c: dout <= #1 8'h02; // endpoint attributes
7'h3d: dout <= #1 8'd64; // max packet size low byte
7'h3e: dout <= #1 8'd00; // max packet size high byte
7'h3f: dout <= #1 8'h01; // polling interval
// ====================================
// ===== Endpoint 5 Descriptor =====
// ====================================
7'h40: dout <= #1 8'h07; // this descriptor length
7'h41: dout <= #1 8'h05; // descriptor type
7'h42: dout <= #1 8'h85; // endpoint address
7'h43: dout <= #1 8'h03; // endpoint attributes
7'h44: dout <= #1 8'd64; // max packet size low byte
7'h45: dout <= #1 8'd00; // max packet size high byte
7'h46: dout <= #1 8'h01; // polling interval
*/
/*
// ====================================
// ===== String Descriptor Lang ID=====
// ====================================
7'h47: dout <= #1 8'd06; // this descriptor length
7'h48: dout <= #1 8'd03; // descriptor type
7'h49: dout <= #1 8'd09; // Language ID 0 low byte
7'h4a: dout <= #1 8'd04; // Language ID 0 high byte
7'h4b: dout <= #1 8'd09; // Language ID 1 low byte
7'h4c: dout <= #1 8'd04; // Language ID 1 high byte
7'h4d: dout <= #1 8'd09; // Language ID 2 low byte
7'h4e: dout <= #1 8'd04; // Language ID 2 high byte
// ====================================
// ===== String Descriptor 0 =====
// ====================================
7'h50: dout <= #1 8'd010; // this descriptor length
7'h51: dout <= #1 8'd03; // descriptor type
7'h52: dout <= #1 "0";
7'h53: dout <= #1 " ";
7'h54: dout <= #1 "g";
7'h55: dout <= #1 "n";
7'h56: dout <= #1 "i";
7'h57: dout <= #1 "r";
7'h58: dout <= #1 "t";
7'h59: dout <= #1 "S";
// ====================================
// ===== String Descriptor 1 =====
// ====================================
7'h60: dout <= #1 8'd010; // this descriptor length
7'h61: dout <= #1 8'd03; // descriptor type
7'h62: dout <= #1 "1";
7'h63: dout <= #1 " ";
7'h64: dout <= #1 "g";
7'h65: dout <= #1 "n";
7'h66: dout <= #1 "i";
7'h67: dout <= #1 "r";
7'h68: dout <= #1 "t";
7'h69: dout <= #1 "S";
// ====================================
// ===== String Descriptor 2 =====
// ====================================
7'h70: dout <= #1 8'd010; // this descriptor length
7'h71: dout <= #1 8'd03; // descriptor type
7'h72: dout <= #1 "2";
7'h73: dout <= #1 " ";
7'h74: dout <= #1 "g";
7'h75: dout <= #1 "n";
7'h76: dout <= #1 "i";
7'h77: dout <= #1 "r";
7'h78: dout <= #1 "t";
7'h79: dout <= #1 "S";
*/
// ====================================
// ====================================
default: dout <= #1 8'd00;
endcase
endmodule
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