Information interactive system and method based on PCI (Peripheral Component Interconnect) and upper computer

A technology of information interaction and bit computer, applied in the direction of comprehensive factory control, comprehensive factory control, electrical program control, etc., can solve problems such as excessive CPU resource occupation and poor real-time performance

Active Publication Date: 2011-09-28
BEIJING A&E TECH
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Problems solved by technology

[0016] The purpose of the embodiment of the present invention is to provide a PCI-based information interaction system and method, and a host computer, aimi...

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  • Information interactive system and method based on PCI (Peripheral Component Interconnect) and upper computer
  • Information interactive system and method based on PCI (Peripheral Component Interconnect) and upper computer
  • Information interactive system and method based on PCI (Peripheral Component Interconnect) and upper computer

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Embodiment Construction

[0037] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0038] In the embodiment of the present invention, the PCI motion control device triggers a PCI interrupt when there is a message that needs to be notified to the host computer. The interrupt triggers a preset interrupt event, and the host computer senses the interrupt event through the preset thread. Messages from the device are processed accordingly. In this embodiment, the PCI motion control device is generally implemented in the form of a PCI motion control card, and of course it can also be a PCI device connected through a PCI adapter card.

[0039] f...

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Abstract

The invention discloses an information interactive system and method based on PCI (Peripheral Component Interconnect) and an upper computer. The system comprises an upper computer and PCI motion control equipment, wherein the PCI motion control equipment comprises an interruption triggering unit used for trigging PCI interruption while the PCI motion control equipment has a message to be reportedto the upper computer, wherein an interruption event of the upper computer preset in a PCI driving program is triggered by the PCI interruption; and the upper computer comprises an event sensing unitused for sensing the interruption event by using a preset thread and an event processing unit used for correspondingly processing the event after the interruption event is sensed by the event sensingunit. By using an embodiment of the invention, the upper computer can obtain the message of the PCI motion control equipment in time and correspondingly process the message; moreover, the thread established by the upper computer substantially does not occupy the space of a CPU (Central Processing Unit) so that the CPU resources of the upper computer are largely saved.

Description

technical field [0001] The invention belongs to the technical field of industrial control, and in particular relates to a PCI-based information interaction system and method, and a host computer. Background technique [0002] With the continuous development of industrial technology, especially the continuous development of numerical control technology, users have higher and higher requirements for numerical control technology. [0003] see figure 1 , figure 1 It shows the control structure of industrial robot or numerical control system in the prior art. [0004] exist figure 1 In the structure shown, the motion control device 12' is connected to the host computer 11' through a computer local bus (Peripheral Component Interconnect, PCI), and the host computer 11' implements various operations on the motion control device 12' through the PCI driver. [0005] In the specific implementation process, the upper computer 11' is responsible for the user's input and output, and ...

Claims

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Application Information

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IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 龚丽辉
Owner BEIJING A&E TECH
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