Automobile sound state machine and management method thereof

A technology of car audio and management methods, applied in other database retrieval, electronic digital data processing, other database indexing, etc., can solve problems such as system complexity and maintenance troubles, and achieve simple project maintenance, concise and clear management methods, and demand additions and deletions convenient effect

Pending Publication Date: 2020-07-17
HUIZHOU DESAY SV AUTOMOTIVE
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  • Abstract
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Problems solved by technology

This leads to the complexity of the system and troublesome maintenance

Method used

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  • Automobile sound state machine and management method thereof
  • Automobile sound state machine and management method thereof

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Embodiment Construction

[0029] The preferred embodiments of the present application will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present application can be more easily understood by those skilled in the art, so as to define the protection scope of the present application more clearly.

[0030] in such as figure 1 In the shown embodiment, the present application proposes a management method of a car audio state machine, which is applied to a car electronic product, and the method includes:

[0031] 100. Trigger the current event and obtain the current condition of the vehicle; in step 100, the current event can be triggered by external input or internal trigger of the automotive electronic product. When the current event is triggered, the car audio state machine obtains the state machine Current status and access to vehicle information through the vehicle CAN bus. Wherein, the vehicle information includes at least one or m...

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Abstract

The invention relates to an automobile sound equipment state machine and a management method thereof, which are applied to an automobile electronic product; the method comprises the following steps: triggering a current event, and obtaining a current condition of an automobile; matching a matrix relation table according to the current event and the current condition; if the current event and the current condition are successfully matched with a matrix relation table, processing a state machine; otherwise, performing packet loss processing or establishing a new matrix relation table according to the current event and/or the current condition. The management method has the beneficial effects that the management method is concise and clear, state management is strict in logic, and the state machine can automatically generate logic code data. According to the management method provided by the invention, 100% complete coverage scheme test verification can be realized by continuously updating the matrix relation table, and the management method provided by the invention is convenient in demand addition and deletion and simple in project maintenance.

Description

technical field [0001] The present application relates to the technical field of automotive electronics, in particular to an automotive audio state machine and its management method. Background technique [0002] As cities modernize, the pace of the world becomes faster. Now the car audio multimedia system is becoming more and more complex, and there are more and more places where state machine management is used, especially the power state logic management is becoming more and more complicated according to the information status of the car itself, and the car audio is located The working condition of the car audio is very poor, and the power state management has become very harsh. Therefore, in the process of state machine design and use of car audio, the state management is often chaotic and error-prone. When the requirements change, the state machine is not easy to modify. And maintenance, it is not easy to transplant the program scheme, and it is not easy to test or the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/448G06F16/901G06F16/903G06F17/16
CPCG06F9/4498G06F16/9024G06F16/903G06F17/16
Inventor 江立晓陆福红邵光先
Owner HUIZHOU DESAY SV AUTOMOTIVE
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