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[/] [qaz_libs/] [trunk/] [BFM/] [src/] [SPI/] [spi_driver.svh] - Diff between revs 48 and 50

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//////////////////////////////////////////////////////////////////////
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class spi_driver
class spi_driver #(N)
  extends uvm_driver #(spi_sequence_item);
  extends uvm_driver #(spi_sequence_item);
   `uvm_component_utils(spi_driver)
   `uvm_component_param_utils(spi_driver #(N))
 
 
  // --------------------------------------------------------------------
  // --------------------------------------------------------------------
  virtual spi_if vif;
  virtual spi_if #(N) vif;
 
 
  //--------------------------------------------------------------------
  //--------------------------------------------------------------------
  function void set_default;
  function void set_default;
    vif.sclk <= 0;
    vif.sclk <= 0;
    vif.ss_n <= 1;
    vif.ss_n <= '1;
    vif.mosi <= 'x;
    vif.mosi <= 'x;
  endfunction: set_default
  endfunction: set_default
  //--------------------------------------------------------------------
  //--------------------------------------------------------------------
  virtual task run_phase(uvm_phase phase);
  virtual task run_phase(uvm_phase phase);
    spi_sequence_item item;
    spi_sequence_item item;
    int index;
    int index;
    set_default();
    set_default();
    forever
    forever
    begin
    begin
      index = 0;
      index = 0;
      seq_item_port.get_next_item(item);
      seq_item_port.get_next_item(item);
 
 
      vif.ss_n <= 0;
      vif.ss_n <= ~(1 << item.ss_index);
 
 
      vif.mosi <= item.mosi_data[index];
      vif.mosi <= item.mosi_data[index];
      #(vif.period / 2);
      #(vif.period / 2);
      fork
      fork
        repeat(item.data_width)
        repeat(item.data_width)
        begin
        begin
          #(vif.period / 2);
          #(vif.period / 2);
          vif.sclk <= 1;
          vif.sclk <= 1;
          #(vif.period / 2);
          #(vif.period / 2);
          vif.sclk <= 0;
          vif.sclk <= 0;
        end
        end
      join_none
      join_none
      repeat(item.data_width)
      repeat(item.data_width)
      begin
      begin
        @(vif.cb_rise);
        @(vif.cb_rise);
        item.miso_data[index] = vif.miso;
        item.miso_data[index] = vif.miso;
        index++;
        index++;
        @(vif.cb_fall);
        @(vif.cb_fall);
        vif.mosi <= item.mosi_data[index];
        vif.mosi <= item.mosi_data[index];
      end
      end
      #(vif.period / 2);
      #(vif.period / 2);
      vif.ss_n <= 1;
      vif.ss_n <= '1;
 
 
      set_default();
      set_default();
      seq_item_port.item_done();
      seq_item_port.item_done();
    end
    end
  endtask : run_phase
  endtask : run_phase
  //--------------------------------------------------------------------
  //--------------------------------------------------------------------
  function new(string name, uvm_component parent);
  function new(string name, uvm_component parent);
    super.new(name, parent);
    super.new(name, parent);
  endfunction
  endfunction
// --------------------------------------------------------------------
// --------------------------------------------------------------------
endclass : spi_driver
endclass
 
 

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