//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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//// ////
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//// ////
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//// Copyright (C) 2018 Authors and OPENCORES.ORG ////
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//// Copyright (C) 2018 Authors and OPENCORES.ORG ////
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//// ////
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//// ////
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//// This source file may be used and distributed without ////
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//// This source file may be used and distributed without ////
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//// restriction provided that this copyright statement is not ////
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//// restriction provided that this copyright statement is not ////
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//// removed from the file and that any derivative work contains ////
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//// removed from the file and that any derivative work contains ////
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//// the original copyright notice and the associated disclaimer. ////
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//// the original copyright notice and the associated disclaimer. ////
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//// ////
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//// ////
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//// This source file is free software; you can redistribute it ////
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//// This source file is free software; you can redistribute it ////
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//// and/or modify it under the terms of the GNU Lesser General ////
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//// and/or modify it under the terms of the GNU Lesser General ////
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//// Public License as published by the Free Software Foundation; ////
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//// Public License as published by the Free Software Foundation; ////
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//// either version 2.1 of the License, or (at your option) any ////
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//// either version 2.1 of the License, or (at your option) any ////
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//// later version. ////
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//// later version. ////
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//// ////
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//// ////
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//// This source is distributed in the hope that it will be ////
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//// This source is distributed in the hope that it will be ////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied ////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied ////
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//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
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//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
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//// PURPOSE. See the GNU Lesser General Public License for more ////
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//// PURPOSE. See the GNU Lesser General Public License for more ////
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//// details. ////
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//// details. ////
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//// ////
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//// ////
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//// You should have received a copy of the GNU Lesser General ////
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//// You should have received a copy of the GNU Lesser General ////
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//// Public License along with this source; if not, download it ////
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//// Public License along with this source; if not, download it ////
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//// from http://www.opencores.org/lgpl.shtml ////
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//// from http://www.opencores.org/lgpl.shtml ////
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//// ////
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//// ////
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//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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class spi_sequence_item
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class spi_sequence_item
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extends uvm_sequence_item;
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extends uvm_sequence_item;
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`uvm_object_utils(spi_sequence_item)
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`uvm_object_utils(spi_sequence_item)
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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rand int data_width; // data size in bits
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rand int data_width; // data size in bits
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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logic mi_data[]; // data from slave to master
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logic miso_data[]; // data from slave to master
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logic mo_data[]; // data from master to slave
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logic mosi_data[]; // data from master to slave
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bit read;
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bit write;
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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function new(string name = "");
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function new(string name = "");
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super.new(name);
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super.new(name);
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endfunction : new
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endfunction : new
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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function void init(int data_width = 16 * 16);
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function void init(bit read, bit write, int data_width);
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this.read = read;
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this.write = write;
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this.data_width = data_width;
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this.data_width = data_width;
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this.mi_data = new[data_width];
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this.miso_data = new[data_width];
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this.mo_data = new[data_width];
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this.mosi_data = new[data_width];
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foreach(this.mo_data[i])
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if(write)
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mo_data[i] = 0;
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foreach(this.mosi_data[i])
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mosi_data[i] = 0;
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endfunction : init
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endfunction : init
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// // --------------------------------------------------------------------
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// // --------------------------------------------------------------------
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// function bit do_compare(uvm_object rhs, uvm_comparer comparer);
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// function bit do_compare(uvm_object rhs, uvm_comparer comparer);
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// spi_sequence_item tested;
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// spi_sequence_item tested;
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// bit same;
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// bit same;
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// if (rhs==null)
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// if (rhs==null)
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// `uvm_fatal(get_type_name(), "| %m | comparison to a null pointer");
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// `uvm_fatal(get_type_name(), "| %m | comparison to a null pointer");
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// if (!$cast(tested,rhs))
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// if (!$cast(tested,rhs))
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// same = 0;
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// same = 0;
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// else
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// else
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// same = super.do_compare(rhs, comparer);
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// same = super.do_compare(rhs, comparer);
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// return same;
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// return same;
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// endfunction : do_compare
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// endfunction : do_compare
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// // --------------------------------------------------------------------
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// // --------------------------------------------------------------------
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// function void do_copy(uvm_object rhs);
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// function void do_copy(uvm_object rhs);
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// spi_sequence_item item;
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// spi_sequence_item item;
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// assert(rhs != null) else
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// assert(rhs != null) else
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// `uvm_fatal(get_type_name(), "| %m | copy null transaction");
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// `uvm_fatal(get_type_name(), "| %m | copy null transaction");
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// super.do_copy(rhs);
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// super.do_copy(rhs);
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// assert($cast(item,rhs)) else
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// assert($cast(item,rhs)) else
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// `uvm_fatal(get_type_name(), "| %m | failed cast");
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// `uvm_fatal(get_type_name(), "| %m | failed cast");
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// delay = item.delay;
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// delay = item.delay;
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// command = item.command;
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// command = item.command;
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// wr_full = item.wr_full;
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// wr_full = item.wr_full;
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// rd_empty = item.rd_empty;
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// rd_empty = item.rd_empty;
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// wr_data = item.wr_data;
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// wr_data = item.wr_data;
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// rd_data = item.rd_data;
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// rd_data = item.rd_data;
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// count = item.count;
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// count = item.count;
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// endfunction : do_copy
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// endfunction : do_copy
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// // --------------------------------------------------------------------
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// --------------------------------------------------------------------
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// function string convert2string();
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function string convert2string();
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// string s0, s1, s2, s3;
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string s0, s1, s2, s3;
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// s0 = $sformatf( "| %m | wr | rd | full | empty |\n");
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byte data[];
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// s1 = $sformatf( "| %m | %1h | %1h | %1h | %1h |\n"
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// , (command == FIFO_WR) || (command == FIFO_BOTH)
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s0 = $sformatf( "\n| %m | rd | wr | data width |\n");
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// , (command == FIFO_RD) || (command == FIFO_BOTH)
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s1 = $sformatf( "| %m | %1h | %1h | %d |\n"
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// , wr_full
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, read
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// , rd_empty
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, write
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// );
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, data_width
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// s2 = $sformatf("| %m | wr_data: %h\n" , wr_data);
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);
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// s3 = $sformatf("| %m | rd_data: %h\n" , rd_data);
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s0 = {s0, s1};
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// if(command == FIFO_NULL)
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if(read)
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// return {s1, s0};
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begin
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// else if(command == FIFO_BOTH)
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data = {>>{miso_data}};
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// return {s3, s2, s1, s0};
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// else if(command == FIFO_WR)
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foreach(data[i])
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// return {s2, s1, s0};
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s2 = {s2, $sformatf("%2h|", data[i])};
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// else if(command == FIFO_RD)
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// return {s3, s1, s0};
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s2 = $sformatf("| %m | miso_data: |%s\n" , s2);
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// endfunction : convert2string
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s0 = {s0, s2};
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end
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if(write)
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begin
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data = {>>{mosi_data}};
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foreach(data[i])
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s3 = {s3, $sformatf("%2h|", data[i])};
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s3 = $sformatf("| %m | mosi_data: |%s\n" , s3);
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s0 = {s0, s3};
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end
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return s0;
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endfunction : convert2string
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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endclass : spi_sequence_item
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endclass : spi_sequence_item
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