JPH09288632A - Communication processor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To monitor in real time a log information even from a remote place by making a multitask monitor send the log information to a log information display system via a communication device to display the log information when the switching is carried out among various communication tasks in a multitask processing mode. SOLUTION: A multitask monitor 3 selects a communication processing task 4 based on the priority set to every task 4 and carries out the data communication in response to the selected task 4. When the switching is carried out among these tasks 4, a log information showing the communication forms and states of the protocol data, task numbers, etc., which are used for the data communication is sent to a display system from a communication device 5 via a communication interface 6. In such a constitution of a communication processor, the log information is sent to the display system of a remote place via the device 5 and the display system can confirm the log information in real time when the task switching is carried out in a multitask processing mode.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication processing device, and more particularly to a communication processing device for performing data communication according to a predetermined protocol.

[0002]

2. Description of the Related Art Conventionally, some communication processing devices of this type include
Some have a multi-task processing function by an online real-time system. If this multitask processing function is used, it becomes possible to execute a plurality of communication processing tasks at the same time, and the processing function is improved.

By the way, in such a system, when a failure occurs or when a task is switched, various kinds of information indicating a communication format and a situation are used as log information as information necessary for reproducing the immediately preceding communication state. It is stored inside and can be monitored as needed.

In this case, when a plurality of data communication processing tasks are executed by multitask processing, if log information is to be monitored during data communication, a dedicated log information display device is provided or a log information display device is provided. It must be done by preparing a dedicated task or using it, or by giving an idle task a function of displaying log information.

However, when such a dedicated log information display device or a dedicated task for displaying log information is used, the communication efficiency is lowered, and when the idle task is caused to display the log, the idle task is controlled. There was a problem that log information could not be displayed unless was migrated.

[0006]

As described above, in the prior art, when trying to monitor log information during data communication, a dedicated log information display device is provided or a dedicated task for displaying log information is prepared. There is a need to. However, if these methods are adopted, communication efficiency may be reduced. There is also a method of providing an idle task with a function of displaying log information, but there is a problem that the log display cannot be performed unless control is transferred to the idle task.

An object of the present invention is to realize a communication processing device capable of monitoring log information in real time even from a remote place without lowering communication efficiency during communication.

[0008]

In order to achieve the above object, the present invention is a communication processing device capable of switching a plurality of communication processing functions and processing them in parallel, and is required for communication processing monitoring at the time of switching each communication function. Log information transmitting means for transmitting in real time various log information indicating the communication format and status, and log information displaying means for receiving and displaying the log information transmitted by the log information transmitting means. Is characterized by.

Here, it is characterized in that the log information includes protocol data information used for communication.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION A communication processing apparatus according to the present invention will be described below in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention. In FIG. 1, reference numeral 1 is a microprocessing unit (hereinafter referred to as MPU) that controls the entire apparatus.
2) ROM for storing programs etc., 3
Is stored in the ROM2, and a multitask monitor 4 for monitoring each task is also stored in the ROM2 and is connected to each terminal to perform a data communication task (here, No1 to Non are prepared. 5)
Is a communication device that provides a communication function when transmitting log information of data communication from the multitask monitor 3 to the display system (not shown) through the communication interface 6 when switching tasks, and 6 is between the communication device 5 and the display system. It is a communication interface for sending and receiving data.

[0012] Here, the log information is various kinds of information indicating the communication format and status as information necessary for reproducing the immediately preceding communication state when a failure occurs or when switching tasks, and especially multitasking. In the case of processing, since the communication format may be different for each task, protocol information indicating the communication format may be included in the log information.

FIG. 2 is a flow chart showing the monitoring operation of the multitask monitor 3 in this embodiment. FIG. 3 is a flow chart of the data communication processing operation during the monitoring operation of the multitask monitor 3.

The operation of the communication processing device will be described with reference to FIGS. 1, 2 and 3 focusing on the monitoring operation of the multitask monitor 3.

First, in FIG. 2, when the multitask is started, the multitask monitor 3 monitors the communication processing task 4, and if the communication processing task 4 issues a start request, the processing shifts to the data communication processing described later ( Step S1).

After performing the data communication processing, the multitask monitor 3 determines whether or not the data communication processing is to be completed (step S2). If the data communication processing is to be continued, the process returns to step S1 again to complete the completion operation. Then, the multitask monitor 3 completes the monitoring operation.

The data communication processing operation as shown in the flow chart of FIG. 3 is performed as follows.

The multitask monitor 3 selects the communication processing task 4 based on the priority of each communication processing task 4 (step S101), and executes data communication according to the selected communication processing task 4 (step S10).
2). Then, when the communication processing task 4 is switched, protocol information used for data communication, log information indicating the communication format such as the task number and the status indicating the status are transmitted from the communication device 5 to the display system via the communication interface 6 ( Step S103). After completing the process, step 2 in FIG.
Return to

According to the present embodiment, as described above, the communication processing device transmits the log information to the remote display system by using the communication device 5 at the time of switching the task of the multitask processing, and displays the log information. You can check the log information in real time with the system. Therefore, the communication device 5 performs the process of displaying the log information, and the M device displays the log information.
Since PU1 is not occupied, it is possible to provide an environment in which the communication log information can be confirmed without reducing the efficiency of data communication processing.

[0020]

As described above, according to the present invention, at the time of task switching of various communication processing tasks in multitask processing, the multitask monitor uses the communication device to send log information to the system for displaying log information without using the MPU. Send,
Since the display system performs the log information display processing, it is possible to realize a communication processing device that can remotely confirm log information in real time without reducing the communication efficiency of the communication processing device.

[Brief description of drawings]

FIG. 1 is a block diagram of an embodiment of a communication processing device of the present invention.

FIG. 2 is a flowchart of the monitoring operation of the multitask monitor of the communication processing device of the present invention.

FIG. 3 is a flowchart showing details of data communication processing in the flowchart of FIG.

[Explanation of symbols]

 1 Micro Processing Unit (MPU) 2 ROM 3 Multitask Monitor 4 Communication Processing Task 5 Communication Device 6 Communication Interface

Claims (2)

[Claims] 1. In a communication processing device for switching a plurality of communication processing functions and processing them in parallel, various log information indicating the format and status of communication required for communication processing monitoring at the time of switching the respective communication functions is displayed in real time. A communication processing device comprising: a log information transmitting unit for transmitting; and a log information displaying unit for receiving and displaying the log information transmitted by the log information transmitting unit. 2. The communication processing apparatus according to claim 1, wherein the log information includes protocol data information used for communication.