JPH04188348A - Communication data translating equipment - Google Patents

Abstract

PURPOSE:To automatically translate the communication data of a binary code system into the data of another character code system by translating the communication data of the binary code system into the same data of the prescribed character code system by detecting format information. CONSTITUTION:A format information control means 24, an information detecting means 21 to detect the format information corresponding to an inputted command, and data translating means 21, 27 are provided. Namely, information related to the format of the data in question is controlled in accordance with various commands to discriminate the kind of the communication data constituted by the binary code system. Then, when the command to designate the kind of the communication data is inputted, the information related to the format designated by that command is detected, and the communication data of the binary code system is translated into the same data of the prescribed character code system based on this detected information. Thus, the communication data of the binary code system is translated automatically into the data of the another character code system, and the general applicability of a device can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application] The present invention relates to a communication data conversion device used in a data processing device having a data communication function with a terminal.

[Prior Art] For example, a store controller that connects multiple electronic cash registers via a communication line receives the code and product name of each product set in an input file.

A function to read out product data such as unit price, send it to each electronic cash register via the above communication line, and set it, and a function to receive sales data of products registered for sale at each electronic cash register via the above communication line. It has functions such as aggregation into output files.

In this case, communication data (product data, sales data, etc.) transmitted over the communication line is generally configured in a binary code system. This is because processing such as compressing data to improve communication efficiency is easy.

Conventionally, therefore, a host computer has been used as a store controller, the program of which is designed to handle data in a binary code system as is, and to perform processing such as aggregating it into a file and outputting a report of the aggregated data.

[Problems to be Solved by the Invention] As mentioned above, in a conventional data processing device equipped with a data communication function, a program is designed to internally process data in a binary code system convenient for data communication as it is. It was designed. For this reason, for example, even if you try to check the file contents of the data processing device on another personal computer, that personal computer may not be compatible with ASCII code or JIS code.
) If the program was designed to handle data in a character code system such as a code, the data in the file could not be read correctly.

Therefore, the present invention is capable of automatically converting communication data in a binary code system into data in a different character code system in accordance with the settings of the data processing device, and allows general-purpose use of the data processing device without reducing communication efficiency. The present invention aims to provide a communication data conversion device that can improve communication performance.

[Means for Solving the Problems] The present invention provides format information management means for managing information regarding the format of corresponding data in response to various commands that distinguish types of communication data configured in a binary code system; an information detecting means for detecting format information corresponding to the input command managed by the managing means in response to an input; and an information detecting means for detecting format information corresponding to the input command managed by the managing means; A communication data conversion device includes a data conversion means for converting data into data.

[Operation] According to the present invention having such a configuration, information regarding the format of the corresponding data is managed in response to various commands that distinguish the types of communication data configured in a binary code system. When a command specifying the type of communication data is input, information regarding the format of the communication data specified by the input command is detected.

Based on the detected information, the communication data in the binary code system is converted into the same data in the predetermined character code system. Thus, the data converted into the predetermined character code system can be internally processed by a data processing device whose program is designed to handle data in the corresponding character code system.

[Embodiment] An embodiment of the present invention will be described below with reference to the drawings. In this embodiment, a case will be described in which a communication data conversion device that converts communication data composed of a binary code system into data composed of an ASCII code system is applied to a store controller in a POS (point of sale) system. .

Figure 1 is an overall configuration diagram of the POS system, showing one POS terminal (hereinafter referred to as master terminal) 11M set up as a master machine, and multiple POS terminals set up as satellite machines (hereinafter referred to as satellite terminals). )]]S,! : are connected in-line via an HDLC (high-level data link control) line 12. Above satellite terminal] 1S is a function to register product sales data in memory, =
5- Equipped with functions such as issuing rents. Above master terminal 11. M is satellite terminal 1. I
It has the same functions as S and also has the function of collecting product sales data registered at each satellite terminal 11S. Also, this Master Terminal II
A store controller 14 as a data processing device is connected to M via a communication line 13, and the master terminal 11M sends collected product sales data to the store controller 4 via the communication line 13. ing.

The store controller 14 has a function of setting necessary information in the master terminal IIM and satellite terminal IIS, a function of aggregating collected product sales data, and outputting a report.

FIG. 2 is a block diagram showing a schematic configuration of the store controller 14. As shown in FIG. In the same figure, reference numeral 21 denotes a CPU (central processing unit) as the main body of the control unit, which has built-in arithmetic circuits, memory control circuits, etc., and performs various arithmetic processing based on input data. , a ROM (read only memory) 23 that stores fixed data such as program data and character generator data, and a RAM (random access memory) 24 that stores variable data such as input data and arithmetic processing data. and make it work. Also, a transmission control circuit 25 that controls data transmission and reception performed with the master terminal 11M via the communication line 13, a clock circuit 26 that measures date and time, and data reading and writing to and from a disk device 27a such as a hard disk. A disk control circuit 27, a keyboard 28a, and a CRT display 2 that control the
An interface 28 to which various input/output devices such as an 8b1 printer 28c are connected is connected to the C via the path line 22.
It is connected to PU21.

FIG. 3 is a diagram showing the main files formed in the disk device 27a. The input file 31 is for storing in advance necessary information such as product code, product name, unit price, etc. set in each terminal IIM and IIS as data in an ASCII code system. The output file 32 is for each terminal 11M.

Product sales data collected from 11S is categorized by product 1 by department 1
This is for aggregating data by type such as time zone. The logging file 33 is for storing logging information indicating the results of data communication performed via the communication line 13. In addition, numeral 34 in the figure is a parameter file, which stores in advance parameters such as incoming and outgoing file names used in communication operations instructed by the commands in response to various commands that instruct various data communication operations. It is for the purpose of

In particular, a format table 41 shown in FIG. 4 is formed in the RAM 24.

This format table stores in advance information regarding the format in the ASCII code system of data in the binary code system to be communicated in the communication service instructed by the commands, corresponding to the various commands described above. (Format Management Means) When the CPU 21 receives a command instructing an arbitrary communication service via the communication line 13, it is programmed to execute the reception process shown in FIG.

That is, first, parameters corresponding to the received command are read from the parameter file 34 and analyzed. At this time, for example, if the output file 32 to which the output file name of the relevant parameter is set cannot be processed, an error message is displayed on the CRT display 28b as an error, and the relevant error code and time are measured by the clock circuit 26. Logging information is created from the current date and time data and written to the logging file 33, and this process ends.

If the analysis is successful, the format table 41
The format information corresponding to the received command is read out (information detection means). And Master Terminal IIM
When receiving data in the binary code system, the received data is converted into data in the ASCII code system based on the format information and loaded into the output file 42 (data conversion means). Thereafter, the same process is repeated every time data constituted by a binary code system is received. When the data reception is finished, a message indicating that the data has been successfully received is sent to C.
The logging information is displayed on the RT display 28b, and logging information is created from the data indicating the processing result and the date and time data clocked by the clock circuit 26, and written to the logging file 33, and this processing is terminated.

Further, when the CPU 21 is instructed to execute a communication service using keys on the keyboard 28a, the CPU 21 is programmed to recognize the command for instructing the communication service and execute the transmission process shown in FIG. There is. That is,
First, parameters corresponding to the recognition command are read from the parameter file 34 and analyzed. At this time, if, for example, the manual file 31 in which the input file name of the corresponding parameter is set cannot be processed, an error message is displayed on the CRT display 28b as an error, and the corresponding error code and time are measured by the time circuit 26. Logging information is created from the current date and time data and written to the logging file 33, and this process ends.

If the analysis is successful, format table 4]
The format information corresponding to the recognized command is read out (information detection means). And the corresponding input file 41
When the data configured in the ASCII code system is read from the IM, the data is converted into communication data configured in the binary code system based on the above format information, and transmitted via the communication line [3] to the master terminal], IM. (data conversion means). Thereafter, the same process is repeated every time data configured in the ASCII code system is read from the input file. When the data reading is completed, a message indicating that the data has been successfully completed is displayed on the CRT display 28b, and logging information is created from the data indicating the processing result and the E1 hour data clocked by the clock circuit 26. This process is then written to the logging file 33 and ends.

In this embodiment configured in this way, the data transmitted from the master terminal 11M to the store controller 14 via the communication line 13 is data composed of a binary code system, or
When received by the store controller 14, it is automatically converted into the same data configured in the ASCII code system and sent to the store controller 14.
is written to the output file 32 of.

In addition, data in the ASCII code system set in the input file 31 is transmitted to each terminal I via the communication line 13.
When transmitting to IM, 11.3, it is automatically converted into the same data in a binary code system and transmitted.

For example, in the store controller 14, the communication line 13
Product sales data 71 in the figure S7 is shown as data in a binary code system received through the S7. As shown in the figure, the format of the product sales data 7 is that the first 2 bytes are the product code, the next 3 bytes are the number of items sold, and the last 5 bytes are the sales amount. Therefore, if the command for instructing the receiving operation of the product sales data 71 is, for example, [1,002], then the format table 4
] is set in advance as format information corresponding to the corresponding command: r2, 3.5, CR (carriage return), LF (line feed).

Therefore, in the store controller ] 4 , first, a command [ 1
, 002], the parameter file 34 is analyzed, and then the corresponding format information is r2,3.5.CR-
LFJ is read. Next, the above product sales data 71
When received, the first 2-byte data r0100J of data 71 is converted into ASCII code data r303] 3
030J, and finally add the ASCII code "2C" (=I) indicating "2: comma". Next, data 71
Convert the next 3 byte data roooo1cJ to ASCII code data r2B303030:303]J, and finally the ASCII code 1""2C," which indicates ", comma".
Add J. Next, the last 5 hide data rooo000100cJ of data 71 is converted into ASCII code data r2B303030303030313030'', and finally an ASCII code (control code) rODOAJ indicating rCR-LFJ is added.

In this way, the product sales data (72 in FIG. 7) converted into the ASCII code system is loaded into the corresponding output file 32.

On the other hand, product data 81 in FIG. 8 is shown as data in the ASCII code system transmitted via the store controller line 3. As shown in the figure, the format of this product data 8 is that the first 4 hides are the product code, the next 8 hides are the name via comma 1-byte data "2C" indicating the item separation, and then the item 1-byte data with commas separated by ``
2C", the next 6 heights or unit price, and finally the CR (carriage return) and LF (
2-byte data rODOAJ (line feed) is added. Therefore, if the command for instructing the transmission operation of the relevant product data 8 is, for example, [1001], r4,8.6・CR-LFJ is preset in the format table 41 as the format information corresponding to the corresponding command. .

Therefore, in the store controller 14, first, a command [1001
] is received, the parameter file 34 is analyzed, and then the corresponding format information is read out from the format table 41 as r4,8.6.CR-LFJ.

Next, when the product data 81 is read from the input file 41, the first 4-byte data r of the data 81 is read.
30B13030J as binary code data r010
Convert to 0J and discard the next 1-byte data "2C". Next, the next 8 hide data r, 4142432020202020J of data 81 are converted into binary code data r4142432020202020J, and the next 1-byte data "2C" is discarded. Finally data 81
Convert the next 6-byte data r303030323030J to binary code data r000200J,
Discard the last 2-byte data rODOAJ. In this way, the product data (8th
82) in the figure is transmitted to the master terminal IIM via the communication line 13.

As described above, according to this embodiment, the store controller 14
Since the data processed in the input file 31 and output file 32 are the same data in the ASCII code system,
A personal computer designed to handle data in the ASCII code system can be used as the store controller 14. In this case, since the data transmitted and received through the communication line 13 is data in a binary code system, excellent communication efficiency can be maintained.

Incidentally, in the above embodiment, an example was shown in which binary code type data is converted to ASCII code type data, but
It is also possible to change to a character encoding system other than ASCII code. Further, the present invention is not limited to store controllers, but can be applied to data processing devices in general that have a data communication fJ function with terminals. It goes without saying that various other modifications can be made without departing from the gist of the present invention.

[Effects of the Invention] As detailed above, according to the present invention, communication data in a binary code system can be automatically converted to data in a different character code system to match the stage of the data processing device, thereby improving communication efficiency. Therefore, it is possible to provide a communication data conversion device that can enhance the versatility of a data processing device without reducing its performance.

[Brief explanation of drawings]

The figure shows an embodiment of the present invention, and FIG.
Figure 2 is a block diagram showing the configuration of the store controller, Figure 3 is a diagram showing the main files created in the disk device, and Figure 4 is a diagram showing the format table created in the RAM. , FIG. 5 is a flowchart showing the CPU's reception processing, FIG. 6 is a flowchart showing the CPU's transmission processing, FIG. 7 is a diagram showing an example of converting data in a binary code system to an ASCII code system, and FIG. 8 1 is a diagram showing an example of converting data in an ASCII code system to a binary code system. 13...Communication line, 14...Store controller, 3
1...Input file, 32...Output file, 34...
...Parameter file, 41...Format table. Applicant's agent Patent attorney Takehiko Suzue\↑ Kujijo

Claims (1)

[Scope of Claims] Format information management means for managing information regarding the format of corresponding data in response to various commands for distinguishing types of communication data constituted by a binary code system; information detection means for detecting format information corresponding to input commands managed by the means; and data conversion means for converting communication data in a binary code system into the same data in a predetermined character code system based on the information detected by the detection means. A communication data conversion device comprising: