aboutsummaryrefslogtreecommitdiff
path: root/libhal.py
diff options
context:
space:
mode:
authorPaul Selkirk <paul@psgd.org>2016-09-20 09:01:44 -0400
committerPaul Selkirk <paul@psgd.org>2016-09-20 09:01:44 -0400
commit1295f7ebbfaff3ad098fe9d4cafa32a1f3750563 (patch)
tree7af7749d044732e64c22ca6aae84a3230f008312 /libhal.py
parentfebe3ed7b2e7b2342c77d4a35db93e6247ea4326 (diff)
Restructure hal_slip_recv_char so caller can pass in a char directly.
Also bring error checking in line with other modules.
Diffstat (limited to 'libhal.py')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-08 05:33:02 +0000
89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 
 //======================================================================
//
// trng_avalanche_entropy.v
// ------------------------
// Wrapper for the avalanche entropy core to adapt it to the trng.
//
//
// Author: Joachim Strombergson
// Copyright (c) 2014, NORDUnet A/S All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// - Redistributions of source code must retain the above copyright notice,
//   this list of conditions and the following disclaimer.
//
// - Redistributions in binary form must reproduce the above copyright
//   notice, this list of conditions and the following disclaimer in the
//   documentation and/or other materials provided with the distribution.
//
// - Neither the name of the NORDUnet nor the names of its contributors may
//   be used to endorse or promote products derived from this software
//   without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// HOLDER 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.
//
//======================================================================

module trng_avalanche_entropy(
                              // Clock and reset.
                              input wire           clk,
                              input wire           reset_n,

                              input wire           noise,

                              output wire [31 : 0] raw_entropy,
                              output wire [31 : 0] stats,

                              output wire          enabled,
                              output wire          entropy_syn,
                              output wire [31 : 0] entropy_data,
                              input wire           entropy_ack
                             );


  //----------------------------------------------------------------
  // Internal constant and parameter definitions.
  //----------------------------------------------------------------


  //----------------------------------------------------------------
  // Registers including update variables and write enable.
  //----------------------------------------------------------------



  //----------------------------------------------------------------
  // Wires.
  //----------------------------------------------------------------


  //----------------------------------------------------------------
  // Concurrent connectivity for ports etc.
  //----------------------------------------------------------------


  //----------------------------------------------------------------
  // core instantiations.
  //----------------------------------------------------------------
  avalance_entropy_core core(
                             .clk(clk),
                             .reset_n(reset_n),

                             .enable(entropy1_enable),

                             .noise(avalanche_noise),

                             .raw_entropy(entropy1_raw),
                             .stats(entropy1_stats),

                             .enabled(entropy1_enabled),
                             .entropy_syn(entropy1_syn),
                             .entropy_data(entropy1_data),
                             .entropy_ack(entropy1_ack),
                             .led()
                            );


  //----------------------------------------------------------------
  // reg_update
  //
  // Update functionality for all registers in the core.
  // All registers are positive edge triggered with asynchronous
  // active low reset. All registers have write enable.
  //----------------------------------------------------------------
  always @ (posedge clk or negedge reset_n)
    begin
      if (!reset_n)
        begin

        end

      else
        begin

        end
    end // reg_update

endmodule // trng_avalanche_entropy

//======================================================================
// EOF trng_avalanche_entropy.v
//======================================================================