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AMP-based data acquisition device

A technology for data acquisition and acquisition equipment, applied in the direction of instruments, computer control, simulators, etc., can solve the problems of high data acquisition and transmission efficiency, real-time decline, etc., to achieve easy implementation, strong modularity, and high data acquisition efficiency. Effect

Inactive Publication Date: 2017-11-21
HUNAN LINENG TECH
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the present invention is to provide an AMP-based data acquisition device. The present invention aims to solve the problem that the real-time performance is affected by task scheduling when the collection device adopts a single operating system. The data acquisition device is easy to implement, and the data acquisition and transmission efficiency is high

Method used

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Embodiment 1

[0046] Embodiment 1: as Figure 1~5 , an AMP-based data collection device, comprising a first CPU, a second CPU, a collection device group, and a memory;

[0047] A message queue is set in the memory; both the first CPU and the second CPU are connected to the memory, and both the first CPU and the second CPU can access the message queue;

[0048] The IO port of the first CPU is connected to the external interrupt input port of the second CPU; the first CPU and the second CPU trigger an interrupt through an inter-core interrupt mode;

[0049] The collection device group is used for collecting field data; the collection device group is connected with the first CPU.

[0050] The AMP-based data collection device also includes a human-computer interaction interface connected to the second CPU.

[0051] The man-machine interaction interface is connected with at least one of a display screen, a keyboard and a touch screen.

[0052] Both the first CPU and the second CPU are Cortex-A9...

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Abstract

An AMP-based data acquisition device includes a first CPU, a second CPU, a collection device group and a memory. The memory is provided with a message queue. Each of the first CPU and the second CPU is connected to the memory, and the first CPU and the second CPU can access the message queue; the IO port of the first CPU is connected to the external interrupt input port of the second CPU; the first CPU and the second CPU trigger interrupts through the inter-core interrupt mode; the collection device group is used for collecting field data; the device collection group is connected with the first CPU. The AMP-based data acquisition device further includes a human-computer interaction interface connected with the second CPU. The human-computer interaction interface is connected with at least one of a display screen, a keyboard and a touch screen. The AMP-based data acquisition device is easy to implement and has high data acquisition and transmission efficiency.

Description

technical field [0001] The invention relates to an AMP-based data collection device. Background technique [0002] With the rapid development of industrialization and informationization, automation equipment is more and more widely used in industry, and data acquisition and control systems play a very important role in automation. How to collect and interact data in real time and efficiently has become an important topic to improve the degree of industrial intelligence. [0003] In scenarios that do not require high data collection or processing, chips such as STM32 are mostly used for data collection and processing; while for systems that require high data collection efficiency, ordinary chips can no longer meet the needs. Therefore, a multi-core CPU (such as ZC7020) is introduced to complete the data processing and interaction process. Multi-core CPU brings stronger parallel processing capability, higher computing density and lower clock frequency, and greatly reduces he...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/0421G05B2219/24215
Inventor 石雪倩陈金玲黎朝晖瞿仕波
Owner HUNAN LINENG TECH
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