JPH07281877A - Development support device for software for control - Google Patents

Abstract

PURPOSE:To facilitate the maintenance of the software, improve the development efficiency of the software, shorten the development time, and improve the reliability of software. CONSTITUTION:An input/output process program generation part 5 generates an input/output processing program 15 from hardware constitution data 11 of a hardware constitution input and storage part 1 and input/output signal data 13 of an input/output signal registration and storage part 3. A communication input/output program generation part 6 generates a communication input/ output processing program 16 from communication input/output information 12 and input/output signal data 13 of a communication input/output information input and storage part 2. A logic part program generation part 7 generates a logic part program 17 from the input/output signal data 13 and logic diagram data 14 of a logic input and storage part 4. A program merging part 8 generates a control program 19 by merging the input/output processing program 15, communication input/output processing program 16, logic part program 17, and a user program 18.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a software development support device applied to the development of software products.

[0002]

2. Description of the Related Art As a technique for generating a program by inputting a hardware configuration, communication input / output information, input / output signal information in a predetermined format, and inputting logic in an easy-to-understand manner, a programmable It has already been established in a control device represented by a controller. However, the logic input here is performed using a specialized language called a sequence processing dedicated language.
This is a language that uses technology for expressing logic such as a ladder diagram and a logic diagram in an easy-to-understand manner on the assumption that a programmable controller is used, and can be programmed without knowledge of general computer programming languages such as FORTRAN and C language. Have an advantage However, because of that, it was difficult to combine with conventional programming languages, and it was not possible to make use of the software assets accumulated in those languages.

[0003]

In the conventional software development support apparatus using the sequence processing dedicated language, the hardware to be used is limited and the software assets accumulated in the past by the general programming language are utilized. However, on the contrary, the software developed by this device cannot be used for other hardware and programming language fields, and it is difficult to improve the software development efficiency.

The present invention has been made in view of the above circumstances. The individual differences in the program construction method are eliminated, the software is easily maintained, and software development is performed by utilizing the software resources accumulated in the past. An object of the present invention is to provide a control software development support device capable of improving efficiency, shortening development time, and improving software reliability.

[0005]

A control software development support apparatus according to the present invention inputs data of a board to be used,
Input the hardware configuration input / storing means for storing this input data, the communication method at the time of communication input / output, register the communication input / output information input / storing means for storing this input data, and the input / output signal, Input / output signal registration / storage means for storing this input / output signal, logic input / storage means for inputting the processing of the logic portion in a graphic form, and storing this logic input, the hardware configuration input / storage portion and input / output means Input / output processing program generating means for generating a program relating to input / output from data stored in the output signal registration / storage section, and data stored in the communication input / output information input / storage section and input / output signal registration / storage section Communication input / output processing program generating means for generating a program relating to communication input / output, and the input / output signal registration / storage unit and logic input / output unit
A logic section program generation means for generating a program relating to logic processing from the data stored in the storage section;
The present invention further comprises a program combining means for combining the program generated by the input / output processing program generating section, the communication input / output program generating section, the logic section program generating section and the program provided by the user to complete the control program. And

[0006]

[Function] As a programming language, by taking advantage of the characteristics of the conventional sequence-specific language, a logic diagram is adopted, and this is converted into a general programming language and disclosed to the user, so that it can be easily combined with past software assets. It is also possible to apply this to other hardware. In addition, this can be accumulated as new software assets. By fusing this with the conventional technology for semi-automating software creation, software development efficiency can be improved by utilizing software assets accumulated in the past, and software reliability can be improved.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing the configuration of a control software development support device according to an embodiment of the present invention.

In FIG. 1, reference numeral 1 denotes a hardware configuration input / storage unit. The hardware configuration input / storage unit 1 has a type of board (board) to be used, input / output setting, the number of signal points to be processed, etc. Is input and stored as the hardware configuration data 11.

Further, the communication input / output information input / storage unit 2 is input with a communication method, a communication cycle, the number of communication points, etc., and is stored as communication input / output information 12. An input / output signal including a communication signal is input to the input / output signal registration / storage unit 3, the relationship with the substrate or the communication table is registered, and the input / output signal data 13 is stored. In the logic input / storage unit 4,
Input the logic diagram as it is and input the logic diagram data 14
Accumulate as.

The hardware configuration data 11 stored in the hardware configuration input / storage unit 1 is sent to the input / output processing program generation unit 5 and the communication stored in the communication input / output information input / storage unit 2 is communicated. The input / output information 12 is sent to the communication input / output program generation unit 6, and the logic diagram data 14 accumulated in the logic input / storage unit 4 is sent to the logic unit program generation unit 7. Further, the input / output signal data 13 stored in the input / output signal registration / storage unit 3
Is sent to the input / output processing program generation unit 5, the communication input / output program generation unit 6, and the logic unit program generation unit 7.

The input / output processing program generator 5 generates an input / output processing program 15 based on the hardware configuration data 11 and the input / output signal data 13,
Output to the program combining unit 8. The communication input / output program generation unit 6 generates the communication input / output processing program 16 based on the communication input / output information 12 and the input / output signal data 13, and outputs it to the program combination unit 8. The logic part program generation part 7 generates a logic part program 17 based on the input / output signal data 13 and the logic diagram data 14, and outputs it to the program combination part 8. A user program 18 written by a user as a general program is given to the program combining unit 8. The program combination unit 8 combines the input / output processing program 15, the communication input / output processing program 16, the logic unit program 17, and the user program 18 to generate a control program 19.

Next, the operation of the above embodiment will be described. (1) Input of data In the hardware configuration input / storage unit 1, the type of board to be used, input / output settings, points, etc. are input and stored as hardware configuration data 11. This hardware configuration data 11 includes, for example, a board signal, a slot number, a board type, a board name, a digital input signal start number, a digital output signal start number, a digital port input / output, a 16-bit input signal start number, The start number of the 16-bit output signal, the start number of the 32-bit input signal, the start number of the 32-bit output signal, and the like.

The communication input / output information input / storage unit 2 is input with a communication method, a communication cycle, the number of communication points, etc., and is stored as communication input / output information 12. The communication input / output information 12 is data for recording the CPU numbers of the transmission side and the reception side, the communication cycle, and the number of signal points in the table. Specifically, the transmission source CPU
Number, transmission source table number, reception source CPU number, reception source table number, communication cycle, digital signal score, 16-bit signal score, 32-bit signal score, etc.

The input / output signal registration / storage section 3 receives input / output signals including communication signals, registers the relationship with the substrate or the communication table, and stores the input / output signal data 13. The input / output signal data 13 is data for recording the name of the signal used in the logic diagram, the assigned position on the board, the position in the input / output table, and the like. For example, a signal number, a signal name, a board signal. , Input / output table number,
It consists of port number, bit number, initial value, etc.

A logic diagram is input to the logic input / storage unit 4 as it is and stored as logic diagram data 14. The logic diagram data 14 is data for recording information such as symbol terminals, parameters, and comments in the logic diagram. Information on end points of connecting lines connecting symbols is, for example, terminal numbers, types, coordinates, input side terminals. number,
It consists of the number of output points, output terminal number, initial value, etc. Also,
The parameter information in the symbol includes a parameter number and a parameter, and the symbol information includes a symbol type, a name, an upper left coordinate, a lower right coordinate, the number of terminals, a terminal number, the number of parameters, a parameter number, and the like. The logic diagram data 14 is used for creating a logic diagram by moving (copying) what is arranged at a designated coordinate position on the display screen with a mouse or the like. FIG. 2 shows an example of a logic diagram in the case of motor driving software, for example.

(2) Program Generation The input / output processing program generation section 5 generates an input / output processing program 15 from the data of the hardware configuration data 11 and the input / output signal data 13. The input / output processing program 15 mainly includes the following three parts. Conversion unit between input / output table and internal signal table The order of signals registered by the user is different from the order of signals read from the hardware. This is because it is more efficient to read the signals in the order in which they are lined up on the board. Therefore, the conversion processing between the input / output table and the internal signal table is performed as a file structure corresponding to that. Signal initialization This signal is initialized by an I / O signal initialization program.

Input / output of signal Input / output of this signal is performed by an input / output program.
The communication input / output program generation unit 6 uses the communication input / output information 12
And the communication input / output processing program 16 is generated from the data of the input / output signal data 13 and is output to the program combining unit 8. The communication input / output program generation unit 6 includes, based on the data of the communication input / output information 12 and the input / output signal data 13, a communication input / output processing program including, for example, a communication method, a partner CPU number, a communication table number, and a transmission data length. 16 is generated. The communication input / output processing program 16 has the same configuration as the input / output processing program 15 and mainly includes the following three parts.

Conversion unit between input / output table and internal signal table Initialization of signals Input / output of signals Logic unit Program generation unit 7 outputs input / output signal data 1
3. The logic part program 17 is generated based on the data of the logic diagram data 14. In this case, paying attention to the symbol data, a template of a program for replacing each symbol from the upper left symbol on the logic to the lower right symbol is prepared, and conversion is performed based on the template.

(3) Program Combining The program combining unit 8 includes an input / output processing program generating unit 5
In addition to the programs of the input / output processing program 15, the communication input / output processing program 16 generated by the communication input / output program generation section 6, and the logic section program 17 generated by the logic section program generation section 7, The user program 18 described in a general program is combined to complete the control program 19. That is, the input / output processing program 15 and the communication input / output processing program 1
6. Collect the logic part program 17 in order into one file, add a fixed part (slightly changes due to increase / decrease of the number of sheets, etc.), arrange the appearance into a C program that can be compiled, and generate a control program 19 To do. As the user program 18, the programs generated by this device, that is, the input / output processing program 15, the communication input / output processing program 16, and the logic section program 17, can be used as the user program 18, and therefore the programs can be reused.

FIG. 3 shows a configuration example of the control program generated as described above. The control program 19 is in the form of a multitask system, and 21 is a multitask kernel. Reference numerals 22 to 24 are tasks for which a standard form is prepared, and a program is generated based on parameters such as hardware input by the user. The system task 25 is the default, and the user task 26 is a task that the user can freely describe and combine. A program in which these tasks operate in multi under the kernel 21 is a program generated by this device.

[0021]

As described in detail above, according to the present invention, the design information is reflected in the program in the required format, so that there is no individual difference in the program configuration method and the maintenance of the software becomes easy. Further, the software producer can improve the software development efficiency, shorten the development time, and improve the software reliability by utilizing the software assets accumulated in the past.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a control software development support device according to an embodiment of the present invention.

FIG. 2 is a diagram showing a configuration example of a logic diagram in the embodiment.

FIG. 3 is a configuration diagram of a control program in the embodiment.

[Explanation of symbols]

 1 hardware configuration input / storage unit 2 communication input / output information input / storage unit 3 input / output signal registration / storage unit 4 logic input / storage unit 5 input / output processing program generation unit 6 communication input / output program generation unit 7 logic unit program generation Part 8 Program connection part 11 Hardware configuration data 12 Communication input / output information 13 Input / output signal data 14 Logic diagram data 15 Input / output processing program 16 Communication input / output processing program 17 Logic part program 18 User program 19 Control program 21 Multitask kernel 22 Logic task 23 Communication input / output task 24 Communication output task 25 System task 26 User task

Claims (1)

[Claims] 1. Communication input / output information for inputting data of a used substrate, inputting a hardware configuration input / storage means for storing the input data, and a communication method for communication input / output, and storing the input data. Input / storing means, input / output signal registering / storing means for registering input / output signals, and input / output signal registering / storing means for storing the input / output signals, and logic input / storing for storing this logic input Means, input / output processing program generation means for generating a program relating to input / output from data stored in the hardware configuration input / storage portion and input / output signal registration / storage portion, the communication input / output information input / storage portion, and Input / output signal registration
Communication input / output processing program generation means for generating a program related to communication input / output from data stored in the storage section, and a program related to logic processing from the data stored in the input / output signal registration / storage section and logic input / storage section. A program that combines the program generated by the logic part program generation means, the input / output processing program generation part, the communication input / output program generation part, and the logic part program generation part with the program provided by the user to complete the control program. A control software development support device comprising a coupling means.