カテゴリ

機能

データ型

BOOL、BYTE/WORD/DWORD/LWORD、SINT/INT/DINT/LINT、USINT/UINT/UDINT/ULINT、REAL/LREAL、STRING/WSTRING、TIME/DATE/DT/TOD（+ L-variants）、配列（1D/2D/3D/VLA）、構造体、列挙型、部分範囲型

POU

PROGRAM、FUNCTION、FUNCTION_BLOCK、INTERFACE

変数

VAR、VAR_INPUT、VAR_OUTPUT、VAR_IN_OUT、VAR_EXTERNAL、VAR_GLOBAL、CONSTANT、RETAIN、AT（located）

制御フロー

IF/ELSIF/ELSE、CASE、FOR、WHILE、REPEAT、EXIT、RETURN

OOP

メソッド、プロパティ（GET/SET）、継承（EXTENDS）、インターフェース（IMPLEMENTS）、ABSTRACT、FINAL、OVERRIDE、アクセス修飾子

ポインタ

POINTER TO、REF_TO、REFERENCE_TO、ADR、^ 逆参照、__NEW / __DELETE

標準関数

80以上の関数：数学、三角関数、文字列、選択、比較、ビット演算、型変換

標準FB

TON、TOF、TP、CTU、CTD、CTUD、R_TRIG、F_TRIG、SR、RS（STライブラリとしてコンパイル）

プロジェクトモデル

CONFIGURATION、RESOURCE、TASK、プログラムスケジューリング

oem@ubuntu:~/STruCpp$ tar -xzf strucpp-linux-x64.tar.gz
oem@ubuntu:~/STruCpp$ ls
strucpp strucpp-linux-x64.tar.gz

oem@ubuntu:~/STruCpp$ export PATH=”$PWD/strucpp:$PATH”
oem@ubuntu:~/STruCpp$ str
strace strace-log-merge streamzip strings strip strucpp/

FUNCTION_BLOCK Counter
VAR_INPUT
countUp : BOOL; (* Count up on rising edge *)
countDown : BOOL; (* Count down on rising edge *)
reset : BOOL; (* Reset counter to zero *)
maxValue : INT := 100; (* Maximum count value *)
minValue : INT := 0; (* Minimum count value *)
END_VAR

VAR_OUTPUT
count : INT; (* Current count value *)
atMax : BOOL; (* TRUE when at maximum *)
atMin : BOOL; (* TRUE when at minimum *)
END_VAR

VAR
prevUp : BOOL; (* Previous state of countUp *)
prevDown : BOOL; (* Previous state of countDown *)
END_VAR

(* Reset handling *)
IF reset THEN
count := 0;
ELSE
(* Count up on rising edge *)
IF countUp AND NOT prevUp THEN
IF count < maxValue THEN
count := count + 1;
END_IF;
END_IF;

(* Count down on rising edge *)
IF countDown AND NOT prevDown THEN
IF count > minValue THEN
count := count – 1;
END_IF;
END_IF;
END_IF;

(* Update edge detection *)
prevUp := countUp;
prevDown := countDown;

(* Update status outputs *)
atMax := count >= maxValue;
atMin := count <= minValue;

END_FUNCTION_BLOCK

oem@ubuntu:~/STruCpp/tut01Counter$ strucpp counter.st -o counter.cpp
Compiling counter.st…
Output written to /home/oem/STruCpp/tut01Counter/counter.cpp
Header written to /home/oem/STruCpp/tut01Counter/counter.hpp
Compilation successful!

FUNCTION_BLOCK Adder
VAR_INPUT a, b : INT; END_VAR
VAR_OUTPUT sum : INT; END_VAR
sum := a + b;
END_FUNCTION_BLOCK

TEST ‘Addition works’
VAR uut : Adder; END_VAR
uut(a := 3, b := 7);
ASSERT_EQ(uut.sum, 10);
END_TEST

TEST ‘Timer reaches preset’
VAR t : TON; END_VAR
t(IN := TRUE, PT := T#100ms);
ADVANCE_TIME(T#100ms);
t(IN := TRUE, PT := T#100ms);
ASSERT_TRUE(t.Q);
END_TEST

oem@ubuntu:~/STruCpp/tut01Counter$ strucpp add.st –test test_add.st
STruC++ Test Runner v1.0

test_add.st
[PASS] Addition works
[PASS] Timer reaches preset

—————————————–
2 tests, 2 passed, 0 failed

TEST ‘Addition works’
VAR uut : Adder; END_VAR
uut(a := 3, b := 7);
ASSERT_EQ(uut.sum, 10);
uut(a := 3, b := 11);
ASSERT_EQ(uut.sum, 10);
END_TEST

TEST ‘Timer reaches preset’
VAR t : TON; END_VAR
t(IN := TRUE, PT := T#100ms);
ADVANCE_TIME(T#100ms);
t(IN := TRUE, PT := T#100ms);
ASSERT_TRUE(t.Q);
END_TEST

oem@ubuntu:~/STruCpp/tut01Counter$ strucpp add.st –test test_add.st
STruC++ Test Runner v1.0

test_add.st
ASSERT_EQ failed: UUT.SUM expected 10, got 14
at test_add.st:6
[FAIL] Addition works
[PASS] Timer reaches preset

—————————————–
2 tests, 1 passed, 1 failed

oem@ubuntu:~/STruCpp/tut01Counter$ strucpp MotorControl.st -o MotorControl.cpp –build

Compiling MotorControl.st…
Output written to /home/oem/STruCpp/tut01Counter/MotorControl.cpp
Header written to /home/oem/STruCpp/tut01Counter/MotorControl.hpp
Compilation successful!
Generating REPL harness…
REPL main written to /home/oem/STruCpp/tut01Counter/main.cpp
Compiling isocline…
Building binary: MotorControl
Binary built: /home/oem/STruCpp/tut01Counter/MotorControl
Run it with: /home/oem/STruCpp/tut01Counter/MotorControl

oem@ubuntu:~/STruCpp/tut01Counter$ ./MotorControl

STruC++ Interactive PLC Test REPL
Programs: MOTORCONTROL(9 vars)
Cycle: 20ms
Source: 40 lines loaded
Type help for commands, Tab for completion, Ctrl+R to search history.

strucpp> run 20
Executed 20 cycle(s). Total: 21

strucpp> vars
MOTORCONTROL.STARTBUTTON : BOOL = FALSE
MOTORCONTROL.STOPBUTTON : BOOL = FALSE
MOTORCONTROL.EMERGENCYSTOP : BOOL = FALSE
MOTORCONTROL.OVERLOADTRIP : BOOL = FALSE
MOTORCONTROL.MOTORCONTACTOR : BOOL = FALSE
MOTORCONTROL.RUNNINGLAMP : BOOL = FALSE
MOTORCONTROL.FAULTLAMP : BOOL = TRUE
MOTORCONTROL.MOTORRUNNING : BOOL = FALSE
MOTORCONTROL.FAULTACTIVE : BOOL = TRUE

strucpp> code 5 10

strucpp> set MOTORCONTROL.STARTBUTTON TRUE
MOTORCONTROL.STARTBUTTON = TRUE

strucpp> vars
MOTORCONTROL.STARTBUTTON : BOOL = TRUE
MOTORCONTROL.STOPBUTTON : BOOL = FALSE
MOTORCONTROL.EMERGENCYSTOP : BOOL = FALSE
MOTORCONTROL.OVERLOADTRIP : BOOL = FALSE
MOTORCONTROL.MOTORCONTACTOR : BOOL = FALSE
MOTORCONTROL.RUNNINGLAMP : BOOL = FALSE
MOTORCONTROL.FAULTLAMP : BOOL = TRUE
MOTORCONTROL.MOTORRUNNING : BOOL = FALSE
MOTORCONTROL.FAULTACTIVE : BOOL = TRUE
strucpp> watch MOTORCONTROL.var

strucpp> watch MOTORCONTROL.FAULTLAMP
Watching: MOTORCONTROL.FAULTLAMP

strucpp> run 10
Executed 10 cycle(s). Total: 91
— watch —
MOTORCONTROL.FAULTLAMP : BOOL = TRUE