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Command information processing method and system

A message processing, message technology, applied in the direction of inter-program communication, multiprogramming device, etc.

Active Publication Date: 2011-06-29
JIANGSU DAHAI INTELLIGENT SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] There are following deficiencies in the prior art: the above command message interaction is run in a single-task environment, so it does not consider the complexity in a multi-task environment, Therefore, it cannot satisfy the application in multi-tasking environment

Method used

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  • Command information processing method and system
  • Command information processing method and system

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Embodiment Construction

[0045] Specific embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0046] During the invention process, the inventor noticed that if the communication mechanism of the prior art operates in a single-task environment, it is relatively simple, and only needs to simply divide the command area and the parameter area, and protect shared access; however, If it runs in a multitasking environment, there will be some problems, and the current Baseband platform is mostly a multitasking platform. Therefore, it is technically necessary to solve the command message between the multimedia coprocessor and the main controller to realize interaction under multitasking. As a technical problem that has practical significance and must be solved, an example is used below to illustrate the problems that may occur in the prior art in a multi-tasking environment.

[0047] Suppose a task with a lower priority sends a command message, and it ha...

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Abstract

The invention discloses a processing method for a command message, a system and equipment, comprising that when all main controllers send a first command message to a multimedia coprocessor by a command passage, the first command message carries the used command passage name information; when the multimedia coprocessor returns a second command message according to the first command message, the returned second command message carries the command passage name information which is carried in the first command message; all main controllers determine whether to process the received second commandmessage according to the command passage name information carried in the second command message and the command passage name information used in the first command message. The invention can ensure the correction of the interaction command messages of the multi-media coprocessor and the main controller under the multi-task environment.

Description

technical field [0001] The invention relates to a communication mechanism of chip products, in particular to a method and system for processing command messages between a multimedia coprocessor and a main controller, as well as a multimedia processor and a main controller. Background technique [0002] In the prior art, command messages are exchanged between the multimedia coprocessor and the main controller. The following uses the multimedia coprocessor and the baseband chip (Baseband) as the main controller as an example to illustrate the shortcomings of the prior art. [0003] When the Baseband acts as the main controller, the Baseband sends a command message to the multimedia coprocessor, and the multimedia coprocessor executes the command message and returns a command message carrying the execution result information. The data exchange between the Baseband and the multimedia coprocessor is realized by using shared memory, that is, a specific area is opened in the system...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/54
Inventor 李志刚
Owner JIANGSU DAHAI INTELLIGENT SYST
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