System with reset function and restart control method thereof

A control method and restart technology, which is applied in the direction of electrical program control, sequence/logic controller program control, etc., can solve the problem of not being able to judge whether the system is powered off or restarted unexpectedly, and achieves the effect of ensuring safety

Active Publication Date: 2015-11-11
深圳市普博医疗科技股份有限公司
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a system with a reset function and its restart control method, aiming to solve the problem that the prior art cannot judge whether the system is restarted after a power failure or an accidental reset and restart

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  • System with reset function and restart control method thereof

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Embodiment Construction

[0033] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0034] There will be RAM inside the CPU of anesthesia machine and ventilator embedded system. The present invention utilizes the power-off volatility of RAM (the storage content is automatically eliminated), and the invariable characteristics of internal RAM information when the CPU is reset to realize the unexpected reset of the system. , the system can perform fast recovery based on the data stored in RAM. The power-off volatility of RAM conveniently solves the problem of system power-off startup or accidental reset startup. Moreover, the read and write speed of the CPU internal RAM is the CPU i...

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Abstract

The invention can be applied to the field of system software processing, and provides a restart control method for a system with a reset function. The method comprises steps: A, whether a system software program is started is detected; B, when starting of system software is detected, data stored in a memory are calibrated and a calibration value is acquired; C, the calibration value and a stored calibration value in the memory are compared; D, if the calibration value is consistent with the stored calibration value, the stored data are imported to the system software program, and the system software program operates according to the imported stored data; and E, if the calibration value and the stored calibration value are not consistent, the system software program starts according to a normal order. Through the method provided by the invention, the system can perform calibration according to the stored data in the memory in the case of start, whether reset restart or power-off restart happens to the system can be accurately judged, data before reset can be quickly recovered when reset restart happens to the system, and safety of the user can be ensured.

Description

technical field [0001] The invention belongs to system software processing, and in particular relates to a system with a reset function and a restart control method thereof. Background technique [0002] The function of the anesthesia machine and ventilator is to anesthetize the patient and supply air according to the parameters set by the doctor. When the software of the machine resets unpredictablely, the system needs to skip the self-test steps during normal startup and quickly return to the state before the reset. After the system is restored, the machine still operates according to the parameters preset by the doctor. If the system cannot return to the state before the reset after the machine is reset, it will cause serious injury to the patient. [0003] In the prior art, an external memory is used to store field parameters of software operation. The operation speed of the external memory is relatively slow. If an accidental reset occurs while storing software operati...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/04
CPCG05B19/04
Inventor 叶巧赖春红
Owner 深圳市普博医疗科技股份有限公司
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