RU2480807C2 - Method of designing computational process of testing equipment - Google Patents

Abstract

FIELD: information technology.

SUBSTANCE: diagnostic tests are created when testing electronic devices. By executing a test, the computational testing process is realised and data packets are generated in an input/output device. The input/output device generates signals at outputs; the control equipment performs display and control of the computational process. The computational process is executed by the control equipment, and specifically generates diagnostic tests, executes the computational testing process and sends data packets to the input/output device by transit through a computational unit having software which realises communication between the control equipment and the input/output device. Information from the control equipment is recorded in the input/output device by the control equipment generating a packet in dashboard interface protocol format with an information recording feature, from which F packets are generated in highway interface protocol format, which are transmitted to the computational unit which, upon receiving the F packets, generates a packet in dashboard interface protocol format and sends said packet to the input/output device, thereby recording information.

EFFECT: minimising testing time and labour input, simple procedure for controlling, monitoring, analysing and processing information during tests.

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Description

The invention relates to computing, and in particular to a method for constructing a computing process for testing electronic devices incorporating a computing module.

There is a method of constructing a computational process for testing electronic devices in the production process using diagnostic tests, which consists in the fact that the computational process for testing electronic devices is implemented in a computing module, and the monitoring equipment performs its indication and control. (“A testable control unit and its testing procedures” / VBBRODIN, A.V. KALININ. - Scientific session of MEPhI-2007. T.1 Automation. Microelectronics. Electronics. Electronic measuring systems. Computer medical systems, p. 94 -96).

The known method works as follows: when testing boards, input vectors (diagnostic tests) are introduced into the computational module through the instrumental serial port, based on which the computational module generates a packet via the instrument interface in the microcontroller of the input / output device, which actually sets the signals on the output lines block electronic device.

However, this method can be improved by moving the computational process that implements diagnostic tests to the monitoring equipment and organizing the exchange with the input / output device in transit through the computing module.

The known method in technical essence is the closest to the proposed one and is selected as a prototype.

The disadvantage of the prototype is:

- insufficient monitoring of the operations performed, data exchange and status of input / output devices;

- the transition between diagnostic tests is associated with the reprogramming of the computing device on the instrumental serial port.

- writing of diagnostic tests is carried out in a special development environment for programs for a computing module.

The aim of the invention is:

- minimizing the time of testing and labor costs;

- simplification of management procedures, control, analysis and processing of information during testing;

This goal is achieved by the fact that the computing process implemented by the computing module is performed in the monitoring equipment, exchanging with the input / output device in transit through the computing module.

The drawing (figure 1) shows a functional diagram of the organization of a single information-logical connection of control equipment and input / output devices, which provides full access to the computing process implemented on the control equipment to input / output devices.

The control equipment is connected to the computing device using the protocol of the trunk interface. The computing device is connected to the input / output device via the instrument interface.

The control equipment contains software that performs the computational test process.

The computing module contains universal software that implements support for a unified information and logical connection of control equipment and input / output devices for their two-way exchange of information.

The method is organized as follows.

The computational test process that performs diagnostic tests is implemented in a single software on monitoring equipment.

During the execution of diagnostic tests, packages are formed in the format of the instrument interface protocol, designed specifically for the input / output device. For each of the packets in the format of the instrument interface protocol, a certain number of packets is generated in the protocol format of the trunk interface intended for transmission to the computing module.

The number of packets of the trunk interface F, composed of a packet of the instrument interface, is determined by the following formula:

F = (rounding down ((h · (N-1)) / (k · (M + 1)))) + 1

N is the maximum number of data information words (ISD) according to the protocol of the trunk interface;

M - the required number of ISD according to the instrument interface protocol;

h - bit depth of information data words according to the protocol of the trunk interface;

k is the bit depth of information data words according to the instrument interface protocol.

The formula is used in algorithms 1 and 2 of figure 2, where

i - ISD number according to the protocol of the trunk interface (from 1 to N);

j is the ISD bit number according to the protocol of the trunk interface (from 1 to h);

x is the ISD number according to the instrument interface protocol (from 1 to M);

y is the ISD discharge number according to the instrument interface protocol (from 1 to k);

z - the number of the package according to the protocol of the trunk interface (from 1 to F).

Recording information from the control equipment to the input / output device is implemented by forming a packet control equipment in the format of the instrument interface protocol with the sign of recording information from which F packets are formed in the protocol format of the trunk interface according to algorithm 1 (Fig. 2), which are transmitted to the computing module . Upon receipt of F packets, the computing module generates a packet in the format of the instrument interface protocol according to algorithm 2 (Fig. 2) and transfers it to the input / output device.

Reading information by the control equipment from the input / output device is implemented by forming a packet control equipment in the format of the instrument interface protocol with the sign of reading information, from which 1 packet is formed in the protocol format of the trunk interface according to algorithm 1 (Fig. 2), which is transmitted to the computing module. Upon receipt of the packet, the computing module generates a packet in the format of the instrument interface protocol according to algorithm 2 (Fig. 2) and transfers it to the input / output device, reading information that is read by the control equipment from the computing module, after a time defined as the maximum exchange time between the compute module and the input / output device.

Minimization of time and labor costs occurs due to the fact that there is no need to reprogram the computing module when switching between diagnostic tests. And their creation is carried out in the interface of the control equipment software, without using special programming environments. Simplification of control procedures, control, analysis and information processing is achieved through the use of a single software interface of control equipment that has full access to the computing process and carries out its management.

The method was tested at the workplace, consisting of an industrial computer ROBO-4000-5163A, acting as control equipment; the control unit of the onboard control complex of the Glonass-K spacecraft, acting as an electronic device containing a central instrument module acting as a computational module, and interface interface modules acting as input / output devices.

Of the patent information materials known to the applicant, no signs were found that are similar to the totality of the features of the proposed method.

Claims (1)

A method of constructing a computational process for testing equipment, which consists in the fact that when testing electronic devices form diagnostic tests; performing tests, implement the computational process of testing and form data packets in the input / output device; an input / output device generates signals at the outputs; control equipment provides indication and control of the computational process, characterized in that the computing process performs control equipment, namely, generates diagnostic tests, performs the computational test process and sends data packets to the input / output device in transit through the computing module, which contains the exchange software between control equipment and an input / output device; Recording information from the control equipment to the input / output device is implemented by forming the control equipment of a packet in the format of the instrument interface protocol with the sign of recording information from which F packets are formed in the protocol format of the trunk interface, which are transmitted to the computing module, which, upon receipt of the F packets generates a packet in the format of the instrument interface protocol and transmits it to the input / output device, recording information; the information is read by the control equipment from the input / output device by forming a packet control equipment in the format of the instrument interface protocol with a sign of reading information, from which 1 packet is formed in the protocol format of the main interface, which is transmitted to the computing module, which upon receipt of the packet forms a packet in the format the protocol of the instrument interface and transfers it to the input / output device, reading information that is read by the control equipment from the computers module, after a time defined as the maximum exchange time between the computing module and the input / output device.

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