Asynchronous data reading and writing method, system and device
A technology of asynchronous data, reading and writing methods, applied in memory systems, electrical digital data processing, instruments, etc., can solve the problems of low data reading and writing efficiency, and achieve the effect of improving efficiency
Active Publication Date: 2018-03-23
SOUTH CHINA UNIV OF TECH
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Problems solved by technology
[0005] Based on this, it is necessary to provide an asynchronous data reading and writing method, system and device for the problem of low data reading and writing efficiency in the existing asynchronous data reading and writing methods
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[0027] The technical solution of the present invention will be described below in conjunction with the accompanying drawings.
[0028] Such as figure 1 As shown, the present invention provides a method for asynchronous data reading and writing, which may include the following steps:
[0029] S1. When a data writing operation is triggered, compare the current space margin of the storage space with the length of the data frame to be written, and if the space margin is greater than or equal to the length of the data frame to be written, write the data The data frame in the channel is written into the storage space;
[0030] Wherein, the data writing operation can be triggered by the preceding stage writing circuit. For example, when a data write request sent by a preceding stage write circuit is received, a data write operation is triggered. Before performing the data writing operation, the current space margin Y of the storage space may be calculated first. The remaining spa...
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The invention relates to an asynchronous data reading and writing method, system and device. The method comprises the steps that when a data writing operation is triggered, a current space allowance of a storage space is calculated, the space allowance is compared with the to-be-written data frame length, and if the space allowance is larger than or equal to the to-be-written data frame length, data frames in a data channel are written into the storage space; when a data reading operation is triggered, the current residual data volume of the storage space is calculated, and the residual data volume is compared with the to-be-read data frame length; if the residual data volume is larger than or equal to the to-be-read data frame length, frame data is read from the storage space; if the residual data volume is smaller than the to-be-read data frame length and the data frames are not written into the storage space currently, residual data in the storage space is used for filling till the to-be-read data frame length is reached and then the data is read out.
Description
technical field [0001] The invention relates to the technical field of digital signal processing, in particular to an asynchronous data reading and writing method, system and device. Background technique [0002] At present, with the rapid development of electronic information technology, wireless communication technology, semiconductor integrated circuit technology, and biomedical technology, many fields such as electronics, biology, and medical care are mutually integrated and mutually promoted, and the application demand for large-scale data collection is increasing day by day. Fields that require signal chains to maintain high precision and high transmission speed, such as biological signal acquisition, are booming. At the same time, the market's demand for signal systems with low complexity, low power consumption, and low cost is increasing, thus increasing the information throughput of subsequent communication circuits. The speed puts forward strict requirements, and t...
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IPC IPC(8): G06F12/06
CPCG06F12/063G06F12/0646
Inventor 赵明剑陈梓庆黄三伟李泽婷郑子瑶刘乃新
Owner SOUTH CHINA UNIV OF TECH