JPH0834508B2 - Button telephone device - Google Patents

Description

The present invention relates to a key telephone device, and more particularly to a key telephone device in which a telephone main unit detects an abnormal state and stores the abnormal data, and the button telephone displays the abnormal data. Regarding the device.

[Conventional technology]

Conventionally, in this type of key telephone device, when an abnormal state is detected by the operation state monitoring circuit in the telephone main unit,
A reset signal is automatically generated by a watchdog timer circuit or the like in the telephone main unit, whereby the telephone main unit is initialized.

[Problems to be solved by the invention]

The conventional button telephone device described above is a watchdog
The reset signal is automatically sent by the timer circuit, etc., and the telephone main unit is initialized. The type of abnormality and the data of the state inside the telephone main unit when the abnormality occurs are not stored, so the abnormality cannot be analyzed. There is a drawback that.

[Means for solving problems]

The key telephone device of the present invention is a key telephone device that accommodates a key telephone in the telephone main unit, wherein the telephone main unit is in an abnormal state such as an illegal memory address access or an illegal instruction use caused by an abnormality of a program during operation. A detection unit for detecting the abnormal state, a storage unit for storing data necessary for analyzing the abnormal state such as the abnormal state detection time and the type of the abnormal state at the time of detecting the abnormal state, and a display unit of the key telephone for analyzing the abnormal state. And a control unit for displaying necessary data.

〔Example〕

Next, embodiments of the present invention will be described with reference to the drawings.

 FIG. 1 is a block diagram showing one embodiment of the present invention.

In the figure, the key telephone device of this embodiment includes a telephone main unit 1 and a key telephone (hereinafter referred to as TEL) 2,
The telephone main unit 1 has an interface (hereinafter referred to as INF) 13 that is connected to the TEL 2 via an extension 3, a storage unit (hereinafter referred to as MEM) 12 that stores a control program for the key telephone unit, abnormal state data, and the like. It is equipped with a control unit (hereinafter referred to as CPU) 11 that controls the entire button telephone device and detects an abnormal condition, and a display unit (hereinafter referred to as DSP) 21 that displays the contents of the abnormal condition in TEL2. ing.

Next, the operation of the present embodiment when an abnormal state is detected will be described.

During operation of the button telephone device, the telephone main unit 1 causes a runaway due to a program abnormality, for example, an illegal memory address is accessed, an illegal instruction is executed, or a hardware fault occurs, for example, a telephone call. An abnormality occurs in the control signal transmission bus (not shown) inside the main unit 1,
When the program cannot be executed, the CPU 11 detects these abnormalities and executes abnormal processing, and the contents of the program counter (not shown) and the accessed address at the time of the abnormality are registered in the CPU 11 register. (Not shown), the abnormality processing program according to the type of abnormality is executed. Abnormality processing program requires the CPU11 to analyze the contents of the program counter at the time of the abnormality stored in the CPU11, the accessed address, etc., the time at which the abnormality occurred, and the type of abnormality. Data is stored in MEM12.

Also, after setting the specific TEL2 to the abnormal data read mode by operating the specific TEL2 button in TEL2, and then operating the specific TEL2 button again, the MEM is controlled by the CPU11.
The content of the abnormal data stored in 12 is displayed on the DSP 21 of the specific TEL 2 via the INF 13 and the extension 3, and the abnormal state can be analyzed from the displayed content of the abnormal data.

〔The invention's effect〕

As described above, according to the present invention, when the detecting means detects an abnormal state caused by an abnormality of a program during the operation of the key telephone main unit, the data of the abnormal state is stored in the storage section, and the control section causes the abnormal state data to be stored. By displaying the data of the abnormal state on the display unit of the key telephone, it is possible to easily analyze the abnormal state on the side of the key telephone from the displayed contents, and thus it is possible to shorten the failure recovery time. .

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention. 1 ... Telephone main unit, 2 ... Button telephone (TEL), 3 ... Extension, 11 ... Control unit (CPU), 12 ... Storage unit (MEM), 13 ... Interface (INF), 21 ... Display unit (DSP).

Claims (1)

[Claims] 1. A key telephone apparatus in which a key telephone is accommodated in a telephone main unit, wherein the telephone main unit detects an abnormal state such as an illegal memory address access, an illegal instruction use, etc. which is caused by an abnormality of a program during operation. A detection unit, a storage unit that stores data necessary for analyzing an abnormal state such as the time of abnormal state detection and the type of abnormality when the abnormal state is detected, and data required for analyzing the abnormal state on the display of the key telephone. A button telephone device having a control unit for displaying.