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📄 system_0.v

📁 DE2开发板上的资料,主要是他的例子,含有各种接口程序,如VGA,USB,LCD等
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//megafunction wizard: %Altera SOPC Builder%
//GENERATION: STANDARD
//VERSION: WM1.0


//Legal Notice: (C)2006 Altera Corporation. All rights reserved.  Your
//use of Altera Corporation's design tools, logic functions and other
//software and tools, and its AMPP partner logic functions, and any
//output files any of the foregoing (including device programming or
//simulation files), and any associated documentation or information are
//expressly subject to the terms and conditions of the Altera Program
//License Subscription Agreement or other applicable license agreement,
//including, without limitation, that your use is for the sole purpose
//of programming logic devices manufactured by Altera and sold by Altera
//or its authorized distributors.  Please refer to the applicable
//agreement for further details.

// synthesis translate_off
`timescale 1ns / 1ps
// synthesis translate_on

// turn off superfluous verilog processor warnings 
// altera message_level Level1 
// altera message_off 10034 10035 10036 10037 10230 10240 10030 

module Audio_0_avalon_slave_0_arbitrator (
                                           // inputs:
                                            Audio_0_avalon_slave_0_readdata,
                                            clk,
                                            cpu_0_data_master_address_to_slave,
                                            cpu_0_data_master_read,
                                            cpu_0_data_master_waitrequest,
                                            cpu_0_data_master_write,
                                            cpu_0_data_master_writedata,
                                            reset_n,

                                           // outputs:
                                            Audio_0_avalon_slave_0_readdata_from_sa,
                                            Audio_0_avalon_slave_0_reset_n,
                                            Audio_0_avalon_slave_0_write,
                                            Audio_0_avalon_slave_0_writedata,
                                            cpu_0_data_master_granted_Audio_0_avalon_slave_0,
                                            cpu_0_data_master_qualified_request_Audio_0_avalon_slave_0,
                                            cpu_0_data_master_read_data_valid_Audio_0_avalon_slave_0,
                                            cpu_0_data_master_requests_Audio_0_avalon_slave_0,
                                            d1_Audio_0_avalon_slave_0_end_xfer
                                         )
  /* synthesis auto_dissolve = "FALSE" */ ;

  output  [ 15: 0] Audio_0_avalon_slave_0_readdata_from_sa;
  output           Audio_0_avalon_slave_0_reset_n;
  output           Audio_0_avalon_slave_0_write;
  output  [ 15: 0] Audio_0_avalon_slave_0_writedata;
  output           cpu_0_data_master_granted_Audio_0_avalon_slave_0;
  output           cpu_0_data_master_qualified_request_Audio_0_avalon_slave_0;
  output           cpu_0_data_master_read_data_valid_Audio_0_avalon_slave_0;
  output           cpu_0_data_master_requests_Audio_0_avalon_slave_0;
  output           d1_Audio_0_avalon_slave_0_end_xfer;
  input   [ 15: 0] Audio_0_avalon_slave_0_readdata;
  input            clk;
  input   [ 23: 0] cpu_0_data_master_address_to_slave;
  input            cpu_0_data_master_read;
  input            cpu_0_data_master_waitrequest;
  input            cpu_0_data_master_write;
  input   [ 31: 0] cpu_0_data_master_writedata;
  input            reset_n;

  wire             Audio_0_avalon_slave_0_address_for_slave_wo_address;
  wire             Audio_0_avalon_slave_0_allgrants;
  wire             Audio_0_avalon_slave_0_allow_new_arb_cycle;
  wire             Audio_0_avalon_slave_0_any_continuerequest;
  wire             Audio_0_avalon_slave_0_arb_counter_enable;
  reg     [  2: 0] Audio_0_avalon_slave_0_arb_share_counter;
  wire    [  2: 0] Audio_0_avalon_slave_0_arb_share_counter_next_value;
  wire    [  2: 0] Audio_0_avalon_slave_0_arb_share_set_values;
  wire             Audio_0_avalon_slave_0_beginbursttransfer_internal;
  wire             Audio_0_avalon_slave_0_begins_xfer;
  wire             Audio_0_avalon_slave_0_end_xfer;
  wire             Audio_0_avalon_slave_0_firsttransfer;
  wire             Audio_0_avalon_slave_0_grant_vector;
  wire             Audio_0_avalon_slave_0_in_a_read_cycle;
  wire             Audio_0_avalon_slave_0_in_a_write_cycle;
  wire             Audio_0_avalon_slave_0_master_qreq_vector;
  wire             Audio_0_avalon_slave_0_non_bursting_master_requests;
  wire    [ 15: 0] Audio_0_avalon_slave_0_readdata_from_sa;
  wire             Audio_0_avalon_slave_0_reset_n;
  reg              Audio_0_avalon_slave_0_slavearbiterlockenable;
  wire             Audio_0_avalon_slave_0_slavearbiterlockenable2;
  wire             Audio_0_avalon_slave_0_waits_for_read;
  wire             Audio_0_avalon_slave_0_waits_for_write;
  wire             Audio_0_avalon_slave_0_write;
  wire    [ 15: 0] Audio_0_avalon_slave_0_writedata;
  wire             cpu_0_data_master_arbiterlock;
  wire             cpu_0_data_master_arbiterlock2;
  wire             cpu_0_data_master_continuerequest;
  wire             cpu_0_data_master_granted_Audio_0_avalon_slave_0;
  wire             cpu_0_data_master_qualified_request_Audio_0_avalon_slave_0;
  wire             cpu_0_data_master_read_data_valid_Audio_0_avalon_slave_0;
  wire             cpu_0_data_master_requests_Audio_0_avalon_slave_0;
  wire             cpu_0_data_master_saved_grant_Audio_0_avalon_slave_0;
  reg              d1_Audio_0_avalon_slave_0_end_xfer;
  reg              d1_reasons_to_wait;
  wire             in_a_read_cycle;
  wire             in_a_write_cycle;
  wire             wait_for_Audio_0_avalon_slave_0_counter;
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          d1_reasons_to_wait <= 0;
      else if (1)
          d1_reasons_to_wait <= ~Audio_0_avalon_slave_0_end_xfer;
    end


  assign Audio_0_avalon_slave_0_begins_xfer = ~d1_reasons_to_wait & ((cpu_0_data_master_qualified_request_Audio_0_avalon_slave_0));
  //assign Audio_0_avalon_slave_0_readdata_from_sa = Audio_0_avalon_slave_0_readdata so that symbol knows where to group signals which may go to master only, which is an e_assign
  assign Audio_0_avalon_slave_0_readdata_from_sa = Audio_0_avalon_slave_0_readdata;

  assign cpu_0_data_master_requests_Audio_0_avalon_slave_0 = ({cpu_0_data_master_address_to_slave[23 : 2] , 2'b0} == 24'h681104) & (cpu_0_data_master_read | cpu_0_data_master_write);
  //Audio_0_avalon_slave_0_arb_share_counter set values, which is an e_mux
  assign Audio_0_avalon_slave_0_arb_share_set_values = 1;

  //Audio_0_avalon_slave_0_non_bursting_master_requests mux, which is an e_mux
  assign Audio_0_avalon_slave_0_non_bursting_master_requests = cpu_0_data_master_requests_Audio_0_avalon_slave_0;

  //Audio_0_avalon_slave_0_arb_share_counter_next_value assignment, which is an e_assign
  assign Audio_0_avalon_slave_0_arb_share_counter_next_value = Audio_0_avalon_slave_0_firsttransfer ? (Audio_0_avalon_slave_0_arb_share_set_values - 1) : |Audio_0_avalon_slave_0_arb_share_counter ? (Audio_0_avalon_slave_0_arb_share_counter - 1) : 0;

  //Audio_0_avalon_slave_0_allgrants all slave grants, which is an e_mux
  assign Audio_0_avalon_slave_0_allgrants = |Audio_0_avalon_slave_0_grant_vector;

  //Audio_0_avalon_slave_0_end_xfer assignment, which is an e_assign
  assign Audio_0_avalon_slave_0_end_xfer = ~(Audio_0_avalon_slave_0_waits_for_read | Audio_0_avalon_slave_0_waits_for_write);

  //Audio_0_avalon_slave_0_arb_share_counter arbitration counter enable, which is an e_assign
  assign Audio_0_avalon_slave_0_arb_counter_enable = (Audio_0_avalon_slave_0_end_xfer & Audio_0_avalon_slave_0_allgrants) | (Audio_0_avalon_slave_0_end_xfer & ~Audio_0_avalon_slave_0_non_bursting_master_requests);

  //Audio_0_avalon_slave_0_arb_share_counter counter, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          Audio_0_avalon_slave_0_arb_share_counter <= 0;
      else if (Audio_0_avalon_slave_0_arb_counter_enable)
          Audio_0_avalon_slave_0_arb_share_counter <= Audio_0_avalon_slave_0_arb_share_counter_next_value;
    end


  //Audio_0_avalon_slave_0_slavearbiterlockenable slave enables arbiterlock, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          Audio_0_avalon_slave_0_slavearbiterlockenable <= 0;
      else if ((|Audio_0_avalon_slave_0_master_qreq_vector & Audio_0_avalon_slave_0_end_xfer) | (Audio_0_avalon_slave_0_end_xfer & ~Audio_0_avalon_slave_0_non_bursting_master_requests))
          Audio_0_avalon_slave_0_slavearbiterlockenable <= |Audio_0_avalon_slave_0_arb_share_counter_next_value;
    end


  //cpu_0/data_master Audio_0/avalon_slave_0 arbiterlock, which is an e_assign
  assign cpu_0_data_master_arbiterlock = Audio_0_avalon_slave_0_slavearbiterlockenable & cpu_0_data_master_continuerequest;

  //Audio_0_avalon_slave_0_slavearbiterlockenable2 slave enables arbiterlock2, which is an e_assign
  assign Audio_0_avalon_slave_0_slavearbiterlockenable2 = |Audio_0_avalon_slave_0_arb_share_counter_next_value;

  //cpu_0/data_master Audio_0/avalon_slave_0 arbiterlock2, which is an e_assign
  assign cpu_0_data_master_arbiterlock2 = Audio_0_avalon_slave_0_slavearbiterlockenable2 & cpu_0_data_master_continuerequest;

  //Audio_0_avalon_slave_0_any_continuerequest at least one master continues requesting, which is an e_assign
  assign Audio_0_avalon_slave_0_any_continuerequest = 1;

  //cpu_0_data_master_continuerequest continued request, which is an e_assign
  assign cpu_0_data_master_continuerequest = 1;

  assign cpu_0_data_master_qualified_request_Audio_0_avalon_slave_0 = cpu_0_data_master_requests_Audio_0_avalon_slave_0 & ~((cpu_0_data_master_read & (~cpu_0_data_master_waitrequest)) | ((~cpu_0_data_master_waitrequest) & cpu_0_data_master_write));
  //Audio_0_avalon_slave_0_writedata mux, which is an e_mux
  assign Audio_0_avalon_slave_0_writedata = cpu_0_data_master_writedata;

  //master is always granted when requested
  assign cpu_0_data_master_granted_Audio_0_avalon_slave_0 = cpu_0_data_master_qualified_request_Audio_0_avalon_slave_0;

  //cpu_0/data_master saved-grant Audio_0/avalon_slave_0, which is an e_assign
  assign cpu_0_data_master_saved_grant_Audio_0_avalon_slave_0 = cpu_0_data_master_requests_Audio_0_avalon_slave_0;

  //allow new arb cycle for Audio_0/avalon_slave_0, which is an e_assign
  assign Audio_0_avalon_slave_0_allow_new_arb_cycle = 1;

  //placeholder chosen master
  assign Audio_0_avalon_slave_0_grant_vector = 1;

  //placeholder vector of master qualified-requests
  assign Audio_0_avalon_slave_0_master_qreq_vector = 1;

  //Audio_0_avalon_slave_0_reset_n assignment, which is an e_assign
  assign Audio_0_avalon_slave_0_reset_n = reset_n;

  //Audio_0_avalon_slave_0_firsttransfer first transaction, which is an e_assign
  assign Audio_0_avalon_slave_0_firsttransfer = ~(Audio_0_avalon_slave_0_slavearbiterlockenable & Audio_0_avalon_slave_0_any_continuerequest);

  //Audio_0_avalon_slave_0_beginbursttransfer_internal begin burst transfer, which is an e_assign
  assign Audio_0_avalon_slave_0_beginbursttransfer_internal = Audio_0_avalon_slave_0_begins_xfer & Audio_0_avalon_slave_0_firsttransfer;

  //Audio_0_avalon_slave_0_write assignment, which is an e_mux
  assign Audio_0_avalon_slave_0_write = cpu_0_data_master_granted_Audio_0_avalon_slave_0 & cpu_0_data_master_write;

  //Audio_0_avalon_slave_0_address_for_slave_wo_address mux, which is an e_mux
  assign Audio_0_avalon_slave_0_address_for_slave_wo_address = cpu_0_data_master_address_to_slave >> 2;

  //d1_Audio_0_avalon_slave_0_end_xfer register, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          d1_Audio_0_avalon_slave_0_end_xfer <= 1;
      else if (1)
          d1_Audio_0_avalon_slave_0_end_xfer <= Audio_0_avalon_slave_0_end_xfer;
    end


  //Audio_0_avalon_slave_0_waits_for_read in a cycle, which is an e_mux
  assign Audio_0_avalon_slave_0_waits_for_read = Audio_0_avalon_slave_0_in_a_read_cycle & 0;

  //Audio_0_avalon_slave_0_in_a_read_cycle assignment, which is an e_assign
  assign Audio_0_avalon_slave_0_in_a_read_cycle = cpu_0_data_master_granted_Audio_0_avalon_slave_0 & cpu_0_data_master_read;

  //in_a_read_cycle assignment, which is an e_mux
  assign in_a_read_cycle = Audio_0_avalon_slave_0_in_a_read_cycle;

  //Audio_0_avalon_slave_0_waits_for_write in a cycle, which is an e_mux
  assign Audio_0_avalon_slave_0_waits_for_write = Audio_0_avalon_slave_0_in_a_write_cycle & 0;

  //Audio_0_avalon_slave_0_in_a_write_cycle assignment, which is an e_assign
  assign Audio_0_avalon_slave_0_in_a_write_cycle = cpu_0_data_master_granted_Audio_0_avalon_slave_0 & cpu_0_data_master_write;

  //in_a_write_cycle assignment, which is an e_mux
  assign in_a_write_cycle = Audio_0_avalon_slave_0_in_a_write_cycle;

  assign wait_for_Audio_0_avalon_slave_0_counter = 0;

endmodule



// turn off superfluous verilog processor warnings 
// altera message_level Level1 
// altera message_off 10034 10035 10036 10037 10230 10240 10030 

module DM9000A_avalon_slave_0_arbitrator (
                                           // inputs:
                                            DM9000A_avalon_slave_0_irq,
                                            DM9000A_avalon_slave_0_readdata,
                                            clk,

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