Large data amount parameter quick reading-writing method

A method of reading and writing, a technology with a large amount of data, applied in the direction of electrical digital data processing, special data processing applications, digital transmission systems, etc., can solve the problems of short reading and writing time requirements, lack of solutions, large amount of parameter data, etc., to achieve The effect of short read and write time requirements and small calculation costs
CN107862074AInactive Publication Date: 2018-03-30XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA
Publication Date
2018-03-30
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention belongs to the field of embedded software application, and particularly relates to a method for efficiently completing large data amount parameter reading and writing with small calculation cost and communication cost. Variable IDs are used as variable identifications, that is, a sole ID value is set for each variable name, and the variable ID values are adopted for a request data format; a variable information hash table is constructed according to the variable IDs, and one time or limited times of table searching are conducted after variable position indexes are calculated to obtain the variable values; the variable values are organized into a data package to be transmitted to a human-computer interface according to a request variable sequence to be used for being displayed. Designed communication transmission protocol data is easy to organize, the communication data amount is small, the data analysis speed is high, on the condition of not increasing the cycle task load, large data amount monitoring can be conducted, the software running state is obtained in real time, and strong support is provided for healthy running of an embedded software system.
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Description

technical field

[0001] The invention belongs to the field of embedded software applications, and in particular relates to a method for efficiently completing fast reading and writing of parameters with a large amount of data at relatively low calculation cost and communication cost. Background technique

[0002] In the field of embedded software applications, data during software operation can be transmitted to the human-machine interface in real time through communication transmission for variable value monitoring and modification, which can be used for embedded software health monitoring and troubleshooting. Embedded software design generally adopts the way of running periodic tasks. Periodic tasks have a large amount of calculation, high load, and huge data volume. Therefore, it is required that the data transmission and data analysis speed be fast during the variable monitoring process, and the running time should be as little as possible. Cause periodic task load to inc...

Claims

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