Files
APS/Labs/13. Peripheral units/lab_13.tb_processor_system.sv
2024-12-06 09:44:55 +03:00

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Systemverilog

/* -----------------------------------------------------------------------------
* Project Name : Architectures of Processor Systems (APS) lab work
* Organization : National Research University of Electronic Technology (MIET)
* Department : Institute of Microdevices and Control Systems
* Author(s) : Andrei Solodovnikov
* Email(s) : hepoh@org.miet.ru
See https://github.com/MPSU/APS/blob/master/LICENSE file for licensing details.
* ------------------------------------------------------------------------------
*/
module lab_13_tb_processor_system();
import peripheral_pkg::*;
logic clk_i;
logic resetn;
logic [15:0] sw_i;
logic [15:0] led_o;
logic ps2_clk;
logic ps2_dat;
logic [ 6:0] hex_led_o;
logic [ 7:0] hex_sel_o;
logic rx_i;
logic tx_o;
initial begin clk_i = 0; end
always #5ns clk_i = ~clk_i;
initial #4ms $finish();
initial begin
resetn = 1;
repeat(20)@(posedge clk_i);
resetn = 0;
repeat(20) @(posedge clk_i);
resetn = 1;
end
processor_system DUT(
.clk_i (clk_i ),
.resetn_i (resetn ),
.sw_i (sw_i ),
.led_o (led_o ),
.kclk_i (ps2_clk ),
.kdata_i (ps2_dat ),
.hex_led_o(hex_led_o),
.hex_sel_o(hex_sel_o),
.rx_i (rx_i ),
.tx_o (tx_o )
);
initial begin: sw_block
sw_i = 16'd0;
repeat(1000) @(posedge clk_i);
sw_i = 16'hdead;
repeat(1000) @(posedge clk_i);
sw_i = 16'h5555;
repeat(1000) @(posedge clk_i);
sw_i = 16'hbeef;
repeat(1000) @(posedge clk_i);
sw_i = 16'haaaa;
end
initial begin: ps2_initial_block
ps2_clk = 1'b1;
ps2_dat = 1'b1;
repeat(1000) @(posedge clk_i);
ps2_send_scan_code(8'h1C, ps2_clk, ps2_dat);
repeat(1000) @(posedge clk_i);
ps2_send_scan_code(8'hf0, ps2_clk, ps2_dat);
repeat(1000) @(posedge clk_i);
ps2_send_scan_code(8'h1C, ps2_clk, ps2_dat);
repeat(1000) @(posedge clk_i);
ps2_send_scan_code(8'h32, ps2_clk, ps2_dat);
repeat(1000) @(posedge clk_i);
ps2_send_scan_code(8'hf0, ps2_clk, ps2_dat);
repeat(1000) @(posedge clk_i);
ps2_send_scan_code(8'h32, ps2_clk, ps2_dat);
repeat(1000) @(posedge clk_i);
ps2_send_scan_code(8'h21, ps2_clk, ps2_dat);
repeat(1000) @(posedge clk_i);
ps2_send_scan_code(8'hf0, ps2_clk, ps2_dat);
repeat(1000) @(posedge clk_i);
ps2_send_scan_code(8'h21, ps2_clk, ps2_dat);
end
initial begin: uart_rx_initial_block
rx_i = 1'b1;
repeat(1000) @(posedge clk_i);
uart_rx_send_char(8'h1c, 115200, rx_i);
repeat(1000) @(posedge clk_i);
uart_rx_send_char(8'h0D, 115200, rx_i);
repeat(1000) @(posedge clk_i);
uart_rx_send_char(8'h0D, 115200, rx_i);
repeat(1000) @(posedge clk_i);
uart_rx_send_char(8'h7F, 115200, rx_i);
repeat(1000) @(posedge clk_i);
uart_rx_send_char(8'h7F, 115200, rx_i);
end
endmodule