Cross-clock domain serial data exchange method, device and system for geophysical instruments

Abstract

The invention discloses a method, device and system for serial data clock-domain-crossing exchange of a geophysical instrument, and relates to the technical field of geophysical instruments. The method for serial data clock-domain-crossing exchange of the geophysical instrument comprises the following steps that S1, serial data transmitted by a first serial interface are received and stored according to the clock frequency of the first serial interface, wherein the first serial interface is a serial interface of a data collection module of the geophysical instrument; S2, the serial data are sent to a data receiving end through a second serial interface according to the clock frequency of the second serial interface, wherein the second serial interface is a serial interface of the serial data receiving end. Due to the facts that the serial data are received according to the clock frequency of the first serial interface, and the serial data are sent according to the clock frequency of the second serial interface, the speed of data exchange is effectively increased on the situation that resources of the geophysical instrument are not occupied.

Description

technical field [0001] The invention relates to the technical field of geophysical instruments, in particular to a cross-clock domain serial data exchange method, device and system for geophysical instruments. Background technique [0002] With the advancement of technology, information technology and computer technology have developed rapidly, and geophysical instruments including electromagnetic methods have made great progress. However, with the development requirements of portability, miniaturization, low power consumption and low cost, Data acquisition modules in geophysical instruments generally use analog-to-digital converters (Analog-to-Digital Converter, ADC) with serial output interfaces. , if the clock domains of the serial interface of the data acquisition module in the geophysical instrument and the serial interface of the data receiving end are inconsistent, it is difficult to perform a seamless connection, although a first-in-first-out queue (FirstInputFirstOu...

AI Technical Summary

Problems solved by technology

[0002] With the advancement of technology, information technology and computer technology have developed rapidly, and geophysical instruments including electromagnetic methods have made great progress. However, with the development requirements of portability, miniaturization, low power consumption and low cost, Data acquisition modules in geophysical instruments generally use analog-to-digital converters (Analog-to-Digital Converter, ADC) with serial output interfaces. , if the clock domains of the serial interface of the data acquisition module in the geophysical instrument and the serial interface of the data receiving end are inconsistent, it is difficult to perform a seamless connection, although a first-in-first-out queue (FirstInputFirstOutput, FIFO) can be used to achieve cross-time domain It performs data exchange function, but occupies a few resources of geophysical instruments, which will affect the overall performance of geophysical instruments, and the data exchange speed is too low

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