/********************************************** _ _ Cook Darwin __

_ descript: author : Cook.Darwin Version: VERA.0.0 creaded: 2018-4-17 10:24:55 madified: ***********************************************/ `timescale 1ns/1ps

module tb_data_c_pipe_inf_20180417;

import AxiBfmPkg::*; localparam DSIZE = 8; logic clock; logic rst_n;

clock_rst_verb #(

.ACTIVE                 (0                      ),
.PERIOD_CNT             (0                      ),
.RST_HOLD               (5                      ),
.FreqM                  (100            )

)clock_rst_pixel(

.clock                  (clock          ),
.rst_x                  (rst_n          )

);

axi_stream_inf #(DSIZE) axis_slaver_inf (clock,rst_n,1'b1); axi_stream_inf #(DSIZE) axis_master_inf (clock,rst_n,1'b1);

data_inf_c #(DSIZE+1) slaver_inf (clock,rst_n); data_inf_c #(DSIZE+1) master_inf (clock,rst_n);

axis_to_data_inf #(

.CONTAIN_LAST   ("ON")

)axis_to_data_inf_head_inst( /* axi_stream_inf.slaver */ .axis_in (axis_slaver_inf ), /* data_inf_c.master */ .data_out_inf (slaver_inf ) );

data_c_pipe_inf data_c_pipe_inf_inst( /* data_inf_c.slaver */ .slaver (slaver_inf ), /* data_inf_c.master */ .master (master_inf ) );

data_to_axis_inf_A1 data_to_axis_inf_A1_inst( /* input */ .last_flag (1'b0 ), /* data_inf_c.slaver */ .data_slaver (master_inf ), /* axi_stream_inf.master */ .axis_master (axis_master_inf ) );

AxiStreamMasterBfm_c #(DSIZE) master_bfm = new(axis_slaver_inf); AxiStreamSlaverBfm_c #(DSIZE) slaver_bfm = new(axis_master_inf);

initial begin

repeat(1000)
    slaver_bfm.get_data($urandom_range(10,100));

end

initial begin

repeat(1000)
    rand_stream_tk($urandom_range(10,100),1+$urandom_range(1,10)*$urandom_range(0,4));

end

task automatic rand_stream_tk(int send_rate,int len); logic [7:0] s00_data [$];

// #(10us);
for(int CC=0;CC<len;CC++)
    s00_data[CC]    = $urandom_range(0,255);
master_bfm.gen_axi_stream(0,send_rate,s00_data);

endtask:rand_stream_tk

//—>> TRACK <<———————— typedef struct {

logic [7:0]     data;
logic           last;

} DataS;

mailbox PreM = new(100); mailbox PostM = new(100);

DataS Pre_s; DataS Post_s; DataS Cmp_s;

always@(negedge clock)begin

if(axis_slaver_inf.axis_tvalid && axis_slaver_inf.axis_tready)begin
    Pre_s.data = axis_slaver_inf.axis_tdata;
    Pre_s.last = axis_slaver_inf.axis_tlast;
    PreM.put(Pre_s);
end

end

always@(negedge clock)begin

if(axis_master_inf.axis_tvalid && axis_master_inf.axis_tready)begin
    Post_s.data = axis_master_inf.axis_tdata;
    Post_s.last = axis_master_inf.axis_tlast;

    PreM.try_get(Cmp_s);

    if((Cmp_s.data != Post_s.data) || (Cmp_s.last != Post_s.last))begin
        $error("\n## ERROR IN STREAM ##\n");
        repeat(3)
            @(posedge clock);
        $stop;
    end

end

end //—<< TRACK >>———————— endmodule