forked from tanchou/Verilog
- Implemented the ultrasonic_fpga module to handle ultrasonic sensor operations including triggering and measuring distance. - Added a simulation testbench (ultrasonic_sim) to validate the functionality of the ultrasonic_fpga module. - The module includes state management for triggering the sensor and measuring the echo duration to calculate distance. - Simulation includes initialization, triggering the sensor, and checking the output distance.
266 lines
8.0 KiB
Plaintext
266 lines
8.0 KiB
Plaintext
#!
|
|
: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";
|
|
"<interactive>";
|
|
"tb_ultrasonic_fpga.v";
|
|
"ultrasonic_fpga.v";
|