Parallel processing and self-upgrading method based on multiple single-chip microcomputers

Abstract

The invention provides a parallel processing and self-upgrading method based on multiple single-chip microcomputers. The method comprises the following steps that: after a self-checking process program is determined to be entered, a main processor sends a query instruction to each slave processor, sequentially queries the state of a program written into each slave processor, and, according to related data replied by the slave processors, judges whether the current state of the system meets the upgrading standard or not; if the judgment result is yes, the main processor enters a write-in upgrading process; an upgrading program is sequentially written into each slave processor through a data serial port bus, and the main processor enters a self-upgrading process after confirming that the upgrading program is successfully written into all the slave processors; and after the upgrading program is written into the master processor, the slave processor executes detection, and the whole upgrading process can be completed after it is determined that the upgrading program is written correctly. According to the method, the stability of the software upgrading process of the modular numerical control system can be improved, the system chip program writing success rate is high, and tedious maintenance operation in the system user upgrading process is reduced.

Description

technical field [0001] The invention relates to the technical field of industrial control, in particular to a multi-single-chip parallel processing and self-upgrading method. Background technique [0002] With the development of scientific information technology, remote monitoring of the Internet of Things is gradually widely used in various fields. Through the Internet of Things technology, the working status of on-site equipment can be monitored anytime and anywhere without on-site inspection. As a convenient and fast communication method, it has gradually been widely used. . At the same time, due to the development and update of technology, the unattended modern monitoring mode has gradually been favored by customers, but for these systems, regular upgrades and maintenance are required, but on-site upgrades will waste time and manpower. It is some work with high intensity and high difficulty that leads to construction difficulties, and the remote automatic upgrade solves...

AI Technical Summary

Problems solved by technology

At the same time, due to the development and update of technology, the unattended modern monitoring mode has gradually been favored by customers, but for these systems, regular upgrades and maintenance are required, but on-site upgrades will waste time and manpower. It is some work intensity and difficulty that lead to construction difficulties, and the remote automatic upgrade is a good solution to this problem

[0003] At present, with the development of microcomputer technology and the diversification of application functions, a single MCU (Micro Control Unit, micro control unit) can no longer meet the requirements of function or performance. At present, most products choose to use master-slave MCU (may include several slave machines , the slave then controls the multi-level connection of several slaves) to achieve higher performance and requirements

[0004] However, when it is necessary to upgrade the program of the slave controller, the existing technology cannot meet the upgrade requirements, which restricts the development of products

Especially in the field of industrial control, there has not yet been a digital control system that can flexibly configure and upgrade functions, and no design scheme that can optimize and guarantee the software upgrade process written into the system chip has been found.

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