/********************************************** _ _ Cook Darwin __
_ descript: author : Cook.Darwin Version: VERA.0.0 creaded: 2018-4-13 16:27:28 madified: ***********************************************/ `timescale 1ns/1ps module tb_data_c_scaler_20180413; import AxiBfmPkg::*; logic clock; logic rst_n; localparam DSIZE = 8; localparam MODE = “END”;
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_head_inf (clock,rst_n,1'b1); axi_stream_inf #(DSIZE) axis_body_inf (clock,rst_n,1'b1); axi_stream_inf #(DSIZE) axis_end_inf (clock,rst_n,1'b1); axi_stream_inf #(DSIZE) axis_m00_inf (clock,rst_n,1'b1);
data_inf_c #(DSIZE+1) head_inf (clock,rst_n); data_inf_c #(DSIZE+1) body_inf (clock,rst_n); data_inf_c #(DSIZE+1) end_inf (clock,rst_n); data_inf_c #(DSIZE+1) m00_inf (clock,rst_n);
AxiStreamMasterBfm_c #(DSIZE) head_bfm = new(axis_head_inf); AxiStreamMasterBfm_c #(DSIZE) body_bfm = new(axis_body_inf); AxiStreamMasterBfm_c #(DSIZE) end_bfm = new(axis_end_inf); AxiStreamSlaverBfm_c #(DSIZE) m00_bfm = new(axis_m00_inf);
data_c_scaler #(
.MODE (MODE)
)data_c_scaler_inst( /* input */ .head_last (axis_head_inf.axis_tlast ), /* input */ .body_last (axis_body_inf.axis_tlast ), /* input */ .end_last (axis_end_inf.axis_tlast ), /* data_inf_c.slaver */ .head_inf (head_inf ), /* data_inf_c.slaver */ .body_inf (body_inf ), /* data_inf_c.slaver */ .end_inf (end_inf ), /* data_inf_c.master */ .m00 (m00_inf ) );
axis_to_data_inf #(
.CONTAIN_LAST ("ON")
)axis_to_data_inf_head_inst( /* axi_stream_inf.slaver */ .axis_in (axis_head_inf ), /* data_inf_c.master */ .data_out_inf (head_inf ) );
axis_to_data_inf #(
.CONTAIN_LAST ("ON")
)axis_to_data_inf_body_inst( /* axi_stream_inf.slaver */ .axis_in (axis_body_inf ), /* data_inf_c.master */ .data_out_inf (body_inf ) );
axis_to_data_inf #(
.CONTAIN_LAST ("ON")
)axis_to_data_inf_end_inst( /* axi_stream_inf.slaver */ .axis_in (axis_end_inf ), /* data_inf_c.master */ .data_out_inf (end_inf ) );
data_to_axis_inf_A1 data_to_axis_inf_A1_inst( /* input */ .last_flag (m00_inf.data ), /* data_inf_c.slaver */ .data_slaver (m00_inf ), /* axi_stream_inf.master */ .axis_master (axis_m00_inf ) );
// assign axis_m00_inf.axis_tvalid = m00_inf.valid; // assign axis_m00_inf.axis_tdata = m00_inf.data;
//—>> TEST SET <<————————————
initial begin
wait(rst_n); repeat(100) fork heah_stream_tk($urandom_range(10,100),1+$urandom_range(0,4)); body_stream_tk($urandom_range(10,100),1+$urandom_range(0,40)); end_stream_tk($urandom_range(10,100),1+$urandom_range(0,10)); join
end
initial begin
repeat(10000) m00_get_tk($urandom_range(10,100));
end
task automatic heah_stream_tk(int send_rate,int len); logic [7:0] s00_data [$];
// #(10us); if(MODE=="HEAD" || MODE=="BOTH")begin for(int CC=0;CC<len;CC++) s00_data[CC] = CC%10; head_bfm.gen_axi_stream(0,send_rate,s00_data); end
endtask:heah_stream_tk
task automatic body_stream_tk(int send_rate,int len); logic [7:0] s00_data [$];
// #(10us); for(int CC=0;CC<len;CC++) s00_data[CC] = CC%10+8'h10; body_bfm.gen_axi_stream(0,send_rate,s00_data);
endtask:body_stream_tk
task automatic end_stream_tk(int send_rate,int len); logic [7:0] s00_data [$];
// #(10us); if(MODE=="END" || MODE=="BOTH")begin for(int CC=0;CC<len;CC++) s00_data[CC] = CC%10+8'h20; end_bfm.gen_axi_stream(0,send_rate,s00_data); end
endtask:end_stream_tk
task automatic m00_get_tk(int rate);
m00_bfm.get_data(rate);
endtask:m00_get_tk //—<< TEST SET >>———————————— //—>> TRACK <<————————————— // mailbox data_box [NUM-1:0]; typedef struct {
logic [7:0] data; logic last;
} DataS;
mailbox PreM = new(100); mailbox PostM = new(100); mailbox endS = new(100);
DataS Pre_s; DataS Post_s; DataS Cmp_s;
always@(negedge clock)begin
if(axis_head_inf.axis_tvalid && axis_head_inf.axis_tready)begin Pre_s.data = axis_head_inf.axis_tdata; Pre_s.last = axis_head_inf.axis_tlast; PreM.put(Pre_s); end if(axis_body_inf.axis_tvalid && axis_body_inf.axis_tready)begin Pre_s.data = axis_body_inf.axis_tdata; Pre_s.last = axis_body_inf.axis_tlast; PreM.put(Pre_s); end if(axis_end_inf.axis_tvalid && axis_end_inf.axis_tready)begin Pre_s.data = axis_end_inf.axis_tdata; Pre_s.last = axis_end_inf.axis_tlast; PreM.put(Pre_s); end
end
always@(negedge clock)begin
if(axis_m00_inf.axis_tvalid && axis_m00_inf.axis_tready)begin Post_s.data = axis_m00_inf.axis_tdata; Post_s.last = axis_m00_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
endmodule