#! :ivl_version "13.0 (devel)" "(s20250103-31-g7e238e7ca-dirty)"; :ivl_delay_selection "TYPICAL"; :vpi_time_precision - 12; :vpi_module "C:\Users\louis\BUT2\Verilog\OSS-CA~1\lib\ivl\system.vpi"; :vpi_module "C:\Users\louis\BUT2\Verilog\OSS-CA~1\lib\ivl\vhdl_sys.vpi"; :vpi_module "C:\Users\louis\BUT2\Verilog\OSS-CA~1\lib\ivl\vhdl_textio.vpi"; :vpi_module "C:\Users\louis\BUT2\Verilog\OSS-CA~1\lib\ivl\v2005_math.vpi"; :vpi_module "C:\Users\louis\BUT2\Verilog\OSS-CA~1\lib\ivl\va_math.vpi"; S_000002569854ec30 .scope module, "tb_ultrasonic_fpga" "tb_ultrasonic_fpga" 2 3; .timescale -9 -12; v00000256985b7a50_0 .var "clk", 0 0; v00000256985b72d0_0 .net "distance", 15 0, v000002569854e7f0_0; 1 drivers v00000256985b7870_0 .var "echo", 0 0; v00000256985b7cd0_0 .var "rst", 0 0; v00000256985b7f50_0 .var "start", 0 0; v00000256985b7910_0 .var "t_end", 63 0; v00000256985b7af0_0 .var "t_start", 63 0; v00000256985b7d70_0 .net "trig_out", 0 0, v00000256985b7370_0; 1 drivers E_000002569854ae50 .event anyedge, v00000256985b7370_0; S_000002569854edc0 .scope module, "uut" "ultrasonic_fpga" 2 17, 3 1 0, S_000002569854ec30; .timescale 0 0; .port_info 0 /INPUT 1 "clk"; .port_info 1 /INPUT 1 "rst"; .port_info 2 /INPUT 1 "start"; .port_info 3 /INPUT 1 "echo"; .port_info 4 /OUTPUT 1 "trig_out"; .port_info 5 /OUTPUT 16 "distance"; P_0000025698560660 .param/l "CLK_FREQ" 0 3 2, +C4<00000001100110111111110011000000>; P_0000025698560698 .param/l "DIST_DIVISOR" 1 3 20, +C4<00000000000000000000000000000001>; P_00000256985606d0 .param/l "DONE" 1 3 16, +C4<00000000000000000000000000000100>; P_0000025698560708 .param/l "IDLE" 1 3 16, +C4<00000000000000000000000000000000>; P_0000025698560740 .param/l "MEASURE_ECHO" 1 3 16, +C4<00000000000000000000000000000011>; P_0000025698560778 .param/l "TRIG" 1 3 16, +C4<00000000000000000000000000000001>; P_00000256985607b0 .param/l "TRIG_DURATION_CYCLES" 1 3 19, +C4<00000000000000000000000100001110>; P_00000256985607e8 .param/l "WAIT_ECHO" 1 3 16, +C4<00000000000000000000000000000010>; v000002569854ef50_0 .net "clk", 0 0, v00000256985b7a50_0; 1 drivers v000002569854e7f0_0 .var "distance", 15 0; v000002569854c1a0_0 .net "echo", 0 0, v00000256985b7870_0; 1 drivers v00000256985b74b0_0 .var "echo_counter", 15 0; v00000256985b7b90_0 .net "rst", 0 0, v00000256985b7cd0_0; 1 drivers v00000256985b7c30_0 .net "start", 0 0, v00000256985b7f50_0; 1 drivers v00000256985b7050_0 .var "state", 2 0; v00000256985b77d0_0 .var "trig_counter", 8 0; v00000256985b7370_0 .var "trig_out", 0 0; E_000002569854af10 .event posedge, v00000256985b7b90_0, v000002569854ef50_0; .scope S_000002569854edc0; T_0 ; %wait E_000002569854af10; %load/vec4 v00000256985b7b90_0; %flag_set/vec4 8; %jmp/0xz T_0.0, 8; %pushi/vec4 0, 0, 3; %assign/vec4 v00000256985b7050_0, 0; %pushi/vec4 0, 0, 1; %assign/vec4 v00000256985b7370_0, 0; %pushi/vec4 0, 0, 9; %assign/vec4 v00000256985b77d0_0, 0; %pushi/vec4 0, 0, 16; %assign/vec4 v00000256985b74b0_0, 0; %pushi/vec4 0, 0, 16; %assign/vec4 v000002569854e7f0_0, 0; %jmp T_0.1; T_0.0 ; %load/vec4 v00000256985b7050_0; %dup/vec4; %pushi/vec4 0, 0, 3; %cmp/u; %jmp/1 T_0.2, 6; %dup/vec4; %pushi/vec4 1, 0, 3; %cmp/u; %jmp/1 T_0.3, 6; %dup/vec4; %pushi/vec4 2, 0, 3; %cmp/u; %jmp/1 T_0.4, 6; %dup/vec4; %pushi/vec4 3, 0, 3; %cmp/u; %jmp/1 T_0.5, 6; %dup/vec4; %pushi/vec4 4, 0, 3; %cmp/u; %jmp/1 T_0.6, 6; %jmp T_0.7; T_0.2 ; %load/vec4 v00000256985b7c30_0; %flag_set/vec4 8; %jmp/0xz T_0.8, 8; %pushi/vec4 1, 0, 3; %assign/vec4 v00000256985b7050_0, 0; T_0.8 ; %jmp T_0.7; T_0.3 ; %load/vec4 v00000256985b77d0_0; %pad/u 32; %cmpi/u 270, 0, 32; %jmp/0xz T_0.10, 5; %pushi/vec4 1, 0, 1; %assign/vec4 v00000256985b7370_0, 0; %load/vec4 v00000256985b77d0_0; %addi 1, 0, 9; %assign/vec4 v00000256985b77d0_0, 0; %jmp T_0.11; T_0.10 ; %pushi/vec4 0, 0, 1; %assign/vec4 v00000256985b7370_0, 0; %pushi/vec4 0, 0, 9; %assign/vec4 v00000256985b77d0_0, 0; %pushi/vec4 2, 0, 3; %assign/vec4 v00000256985b7050_0, 0; T_0.11 ; %jmp T_0.7; T_0.4 ; %load/vec4 v000002569854c1a0_0; %flag_set/vec4 8; %jmp/0xz T_0.12, 8; %pushi/vec4 0, 0, 16; %assign/vec4 v00000256985b74b0_0, 0; %pushi/vec4 3, 0, 3; %assign/vec4 v00000256985b7050_0, 0; T_0.12 ; %jmp T_0.7; T_0.5 ; %load/vec4 v000002569854c1a0_0; %flag_set/vec4 8; %jmp/0xz T_0.14, 8; %load/vec4 v00000256985b74b0_0; %addi 1, 0, 16; %assign/vec4 v00000256985b74b0_0, 0; %jmp T_0.15; T_0.14 ; %load/vec4 v00000256985b74b0_0; %pad/u 32; %pushi/vec4 1, 0, 32; %div; %pad/u 16; %assign/vec4 v000002569854e7f0_0, 0; %pushi/vec4 4, 0, 3; %assign/vec4 v00000256985b7050_0, 0; T_0.15 ; %jmp T_0.7; T_0.6 ; %pushi/vec4 0, 0, 3; %assign/vec4 v00000256985b7050_0, 0; %jmp T_0.7; T_0.7 ; %pop/vec4 1; T_0.1 ; %jmp T_0; .thread T_0; .scope S_000002569854ec30; T_1 ; %pushi/vec4 0, 0, 1; %store/vec4 v00000256985b7a50_0, 0, 1; %pushi/vec4 1, 0, 1; %store/vec4 v00000256985b7cd0_0, 0, 1; %pushi/vec4 0, 0, 1; %store/vec4 v00000256985b7f50_0, 0, 1; %pushi/vec4 0, 0, 1; %store/vec4 v00000256985b7870_0, 0, 1; %end; .thread T_1; .scope S_000002569854ec30; T_2 ; %delay 18000, 0; %load/vec4 v00000256985b7a50_0; %inv; %store/vec4 v00000256985b7a50_0, 0, 1; %jmp T_2; .thread T_2; .scope S_000002569854ec30; T_3 ; %vpi_call 2 27 "$dumpfile", "ultrasonic.vcd" {0 0 0}; %vpi_call 2 28 "$dumpvars", 32'sb00000000000000000000000000000000, S_000002569854ec30 {0 0 0}; %delay 100000, 0; %pushi/vec4 0, 0, 1; %store/vec4 v00000256985b7cd0_0, 0, 1; %delay 100000, 0; %pushi/vec4 1, 0, 1; %store/vec4 v00000256985b7f50_0, 0, 1; %delay 40000, 0; %pushi/vec4 0, 0, 1; %store/vec4 v00000256985b7f50_0, 0, 1; T_3.0 ; %load/vec4 v00000256985b7d70_0; %pad/u 32; %pushi/vec4 1, 0, 32; %cmp/e; %flag_get/vec4 4; %cmpi/ne 1, 0, 1; %jmp/0xz T_3.1, 6; %wait E_000002569854ae50; %jmp T_3.0; T_3.1 ; %vpi_func 2 41 "$time" 64 {0 0 0}; %store/vec4 v00000256985b7af0_0, 0, 64; T_3.2 ; %load/vec4 v00000256985b7d70_0; %pad/u 32; %pushi/vec4 0, 0, 32; %cmp/e; %flag_get/vec4 4; %cmpi/ne 1, 0, 1; %jmp/0xz T_3.3, 6; %wait E_000002569854ae50; %jmp T_3.2; T_3.3 ; %vpi_func 2 45 "$time" 64 {0 0 0}; %store/vec4 v00000256985b7910_0, 0, 64; %load/vec4 v00000256985b7910_0; %load/vec4 v00000256985b7af0_0; %sub; %vpi_call 2 47 "$display", "Trig HIGH duration: %0dns", S<0,vec4,u64> {1 0 0}; %load/vec4 v00000256985b7910_0; %load/vec4 v00000256985b7af0_0; %sub; %cmpi/u 9500, 0, 64; %flag_inv 5; GE is !LT %flag_get/vec4 5; %jmp/0 T_3.6, 5; %load/vec4 v00000256985b7910_0; %load/vec4 v00000256985b7af0_0; %sub; %cmpi/u 10500, 0, 64; %flag_get/vec4 4; %flag_get/vec4 5; %or; %and; T_3.6; %flag_set/vec4 8; %jmp/0xz T_3.4, 8; %vpi_call 2 50 "$display", "Trigger signal is high for 10us." {0 0 0}; %delay 10000, 0; %pushi/vec4 1, 0, 1; %store/vec4 v00000256985b7870_0, 0, 1; %delay 5800000, 0; %pushi/vec4 0, 0, 1; %store/vec4 v00000256985b7870_0, 0, 1; %jmp T_3.5; T_3.4 ; %vpi_call 2 58 "$display", "Trigger signal is NOT high for 10us." {0 0 0}; T_3.5 ; %delay 500000, 0; %load/vec4 v00000256985b72d0_0; %pad/u 32; %cmpi/u 0, 0, 32; %flag_or 5, 4; GT is !LE %flag_inv 5; %jmp/0xz T_3.7, 5; %vpi_call 2 65 "$display", "Distance measured: %d cm", v00000256985b72d0_0 {0 0 0}; %jmp T_3.8; T_3.7 ; %vpi_call 2 67 "$display", "No distance measured." {0 0 0}; T_3.8 ; %vpi_call 2 70 "$finish" {0 0 0}; %end; .thread T_3; # The file index is used to find the file name in the following table. :file_names 4; "N/A"; ""; "tb_ultrasonic_fpga.v"; "ultrasonic_fpga.v";