Control method and device between master-salve module

A control method and main module technology, applied in the direction of instruments, electrical digital data processing, etc., can solve problems such as high difficulty in implementation and complex design, and achieve the effect of reducing control complexity

Active Publication Date: 2007-12-05
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The problem to be solved by the present invention is to provide a control method and device between master and slave modules, which adopts a simple communication protocol and a one-way parallel bus to solve the problems of complex design and high difficulty in implementation in the prior art

Method used

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  • Control method and device between master-salve module
  • Control method and device between master-salve module
  • Control method and device between master-salve module

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Embodiment Construction

[0025] The embodiment of the present invention assigns different instruction information to the address information transmitted by the address lines, that is, transmits corresponding instruction information through the address lines between the modules, so as to achieve the purpose of the master controller controlling the slave modules through the master module. The embodiment of the present invention proposes to divide the physical address of the main module into blocks, and assign different address space blocks to different modules. Different address information in the address space blocks assigned to the modules means different instruction information for the modules. . Among them, the physical address of the main module is allocated by the host controller, and only the modules allocated with the physical address can communicate with the host controller, and the host controller cannot send instructions to the modules without the physical address. For example, the physical a...

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Abstract

The invention discloses a controlling method between main module and subordinate module, which comprises the following parts: host controller, main module, at least one subordinate module, wherein the main module connects host controller and subordinate module separately; the host controller sends control order to the subordinate module through main module. The controlling method comprises the following steps: setting corresponding relationship between control order and goal address; sending order through host controller to goal address corresponding to control order of subordinate module according to the relationship; transmitting the goal address of the order from main module to subordinate module through address line. The invention confers different order information for different address information based on address as control order, which transmits control order among modes through address line and reduces the control complexity among modules effectively.

Description

technical field [0001] The invention relates to the technical field of electronic equipment, in particular to a control method and device between master and slave modules. Background technique [0002] With the continuous improvement of electronic equipment manufacturing technology, a large number of electronic equipment adopt the structure of host + interface card, so that not only can different interface cards be inserted into the host to achieve different functions, but also can be replaced by replacing the interface when the system fails. Card faults can be quickly found. For a simple example, if the image of a computer cannot be displayed, the graphics card of the computer can be replaced to detect whether the graphics card of the computer is faulty, so as to quickly find out where the fault is. And the structure of the host + interface card is also conducive to the upgrade of the system. The system only needs to replace the corresponding interface card to realize the u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/40G06F13/42
Inventor 鲁玉春苏勇秦娟
Owner NEW H3C TECH CO LTD
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