Line 33... |
Line 33... |
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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// --------------------------------------------------------------------
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logic miso_data[]; // data from slave to master
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logic miso_data[]; // data from slave to master
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logic mosi_data[]; // data from master to slave
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logic mosi_data[]; // data from master to slave
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int ss_index = 0;
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bit read;
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bit read;
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bit write;
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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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Line 54... |
Line 55... |
if(write)
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if(write)
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foreach(this.mosi_data[i])
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foreach(this.mosi_data[i])
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mosi_data[i] = 0;
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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 void load_mosi_from_file(string file_name);
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// spi_sequence_item tested;
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byte buffer;
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// bit same;
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integer fd;
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integer code;
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// if (rhs==null)
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integer size;
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// `uvm_fatal(get_type_name(), "| %m | comparison to a null pointer");
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|
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fd = $fopen(file_name, "rb");
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// if (!$cast(tested,rhs))
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code = $fseek(fd, 0, 2); // SEEK_END
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// same = 0;
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size = $ftell(fd);
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// else
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code = $rewind(fd);
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// same = super.do_compare(rhs, comparer);
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data_width = size*8;
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mosi_data = new[data_width];
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// return same;
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write = 1;
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// endfunction : do_compare
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|
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for(int i = 0; i < size; i++) begin
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// // --------------------------------------------------------------------
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code = $fread(buffer, fd);
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// function void do_copy(uvm_object rhs);
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mosi_data[i*8 +: 8] = {>>{buffer}};
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// spi_sequence_item item;
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end
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// assert(rhs != null) else
|
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// `uvm_fatal(get_type_name(), "| %m | copy null transaction");
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$fclose(fd);
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// super.do_copy(rhs);
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endfunction
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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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// --------------------------------------------------------------------
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// delay = item.delay;
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function void load_mosi_from_byte_array(byte byte_array[]);
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// command = item.command;
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foreach(byte_array[i])
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// wr_full = item.wr_full;
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mosi_data[i*8 +: 8] = {>>{byte_array[i]}};
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// rd_empty = item.rd_empty;
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endfunction
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// wr_data = item.wr_data;
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// rd_data = item.rd_data;
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// count = item.count;
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// endfunction : do_copy
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|
|
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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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byte data[];
|
byte data[];
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Line 100... |
Line 97... |
, write
|
, write
|
, data_width
|
, data_width
|
);
|
);
|
s0 = {s0, s1};
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s0 = {s0, s1};
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|
|
if(read)
|
if(read) begin
|
begin
|
|
data = {>>{miso_data}};
|
data = {>>{miso_data}};
|
|
|
foreach(data[i])
|
foreach(data[i])
|
s2 = {s2, $sformatf("%2h|", data[i])};
|
s2 = {s2, $sformatf("%2h|", data[i])};
|
|
|
s2 = $sformatf("| %m | miso_data: |%s\n" , s2);
|
s2 = $sformatf("| %m | miso_data: |%s\n" , s2);
|
s0 = {s0, s2};
|
s0 = {s0, s2};
|
end
|
end
|
|
|
if(write)
|
if(write) begin
|
begin
|
|
data = {>>{mosi_data}};
|
data = {>>{mosi_data}};
|
|
|
foreach(data[i])
|
foreach(data[i])
|
s3 = {s3, $sformatf("%2h|", data[i])};
|
s3 = {s3, $sformatf("%2h|", data[i])};
|
|
|
Line 126... |
Line 121... |
|
|
return s0;
|
return s0;
|
endfunction : convert2string
|
endfunction : convert2string
|
|
|
// --------------------------------------------------------------------
|
// --------------------------------------------------------------------
|
endclass : spi_sequence_item
|
endclass
|
endclass
|
endclass
|