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System reset method

A system reset, reset point technology, applied in the field of system reset, can solve the problems of user inconvenience and crash.

Inactive Publication Date: 2008-02-13
NETAK TECH KO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is rarely used in non-operating systems used in digital entertainment products and some low-end products. Digital entertainment products mainly use software reset, but this reset method is not used as a "watchdog", so it is very easy to cause " Crash"
[0005] After the "Watchdog" is reset, it usually starts to run the original program from the beginning, instead of continuing to run from somewhere in the process that was interrupted during the reset, which causes inconvenience to the user.

Method used

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  • System reset method

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Embodiment Construction

[0016] Those of ordinary skill in the art know that the “watchdog” function module is a sub-module of the controller, that is, the MCU. Although the existing digital entertainment products do not have the “watchdog” function module, the MCU of these products must have a timer, so , You can use the timer to simulate the "watchdog" function module to realize the system reset function.

[0017] When the controller of a digital entertainment product is running the main program or a certain process, it assigns a value to a global variable, which is like the “feeding dog” of the “watchdog”. The timer in the controller starts timing and at the same time starts the interrupt function for all The global variable is subtracted by 1, which is like a "watchdog" to consume "food"; when the controller is working normally, the timer will not overflow and no reset signal will be generated; but if the interrupt function finds that the global variable is " 0", the controller issues an instruction t...

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Abstract

The present invention provides a system resetting method, including the following operations: during the running of a program, a controller sets a resetting point and assigns a state value to the resetting point and store the value in a memory. The controller judges whether a resetting signal is generated or not. If the resetting signal is generated, the system is restarted or reset. The controller checks whether there is checkpoint state value or not. If there is, the controller reads the state value and continue running the program according to the position of the resetting point of the state value. The present system resetting method can record the position of a program before system restart or resetting and continues the program after instead of running the program from the beginning so as facilitate the use of the system.

Description

Technical field [0001] The invention relates to a system reset method. Background technique [0002] Nowadays, digital entertainment products have become one of the necessary configurations for modern young people. The performance requirements of digital entertainment products are also getting higher and higher. Consumers are more inclined to digital entertainment such as smooth movie playback, long playback time, easy operation, and good sound quality. product. However, crashes are an inevitable problem for every digital entertainment product. Generally, when these products crash, manufacturers will reset them by hardware reset. For example, let users reset by touching the reset button with a sharp device. Problems, but make users feel that the product is rough and lose competitiveness. [0003] As those of ordinary skill in the art know, if an out-of-control program enters an "endless loop" or "runaway" when the system is running, the "watchdog" technology is usually used to ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/14
Inventor 万红波
Owner NETAK TECH KO LTD