CN114172761B - Integrity checking method for distributed 1394 bus network system - Google Patents
Integrity checking method for distributed 1394 bus network system Download PDFInfo
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- CN114172761B CN114172761B CN202111350339.0A CN202111350339A CN114172761B CN 114172761 B CN114172761 B CN 114172761B CN 202111350339 A CN202111350339 A CN 202111350339A CN 114172761 B CN114172761 B CN 114172761B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
- H04L12/40013—Details regarding a bus controller
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
- H04L41/0836—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability to enhance reliability, e.g. reduce downtime
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40169—Flexible bus arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Abstract
The method is designed to judge whether the time deviation of receiving a frame start packet STOF message of a CC of a bus management controller by a remote node RN is valid, whether the frame start packet STOF message is valid, whether the CC state of the bus management controller is good, whether the working mode of the distributed 1394 bus network system is a normal working mode or not, and the integrity of an asynchronous stream packet STOF message in sequence, and judge that the frame start packet STOF message is invalid, the CC state of the bus management controller is not good and the integrity of an asynchronous stream packet message is missing when the time deviation of receiving the frame start packet STOF message of the CC of the remote node RN is invalid for a plurality of times continuously, so as to realize the integrity inspection of the distributed 1394 bus network system.
Description
Technical Field
The application belongs to the technical field of integrity inspection of distributed 1394 bus network systems, and particularly relates to an integrity inspection method of a distributed 1394 bus network system.
Background
The 1394 bus has the characteristics of high bandwidth, high reliability, strong real-time performance and the like, is widely applied to an electronic system, provides CRC, heartbeat and VPC checking modes based on the 1394 bus protocol of AS5643 protocol, realizes the integrity check of the remote node RN of the 1394 bus network system based on the AS5643 protocol for receiving the CC message of the bus management controller, but currently lacks a feasible method capable of checking the integrity of the distributed 1394 bus network system in a networking mode, and is difficult to ensure the working stability and reliability of the distributed 1394 bus network system.
The present application has been made in view of the existence of the above-mentioned technical drawbacks.
It should be noted that the above disclosure of the background art is only for aiding in understanding the inventive concept and technical solution of the present invention, which is not necessarily prior art to the present application, and should not be used for evaluating the novelty and the creativity of the present application in the case where no clear evidence indicates that the above content has been disclosed at the filing date of the present application.
Disclosure of Invention
It is an object of the present application to provide a distributed 1394 bus network system integrity check method that overcomes or mitigates at least one of the known technical drawbacks.
The technical scheme of the application is as follows:
a distributed 1394 bus network system integrity checking method, comprising:
judging whether the time deviation of receiving a STOF message of a CC frame initiation packet by a remote node RN is effective or not;
if the time deviation of the remote node RN receiving the STOF message of the CC frame initiation packet of the bus management controller is invalid, judging that the integrity of the distributed 1394 bus network system is lost;
if the time deviation of the STOF message is judged to be valid, judging whether the STOF message is valid;
if the STOF message of the frame start packet is invalid, judging that the integrity of the distributed 1394 bus network system is lost;
if the STOF message is judged to be valid, judging whether the CC state of the bus management controller is good;
if the CC state of the bus management controller is judged to be not good, judging that the integrity of the distributed 1394 bus network system is lost;
if the CC state of the bus management controller is judged to be good, judging whether the working mode of the distributed 1394 bus network system is a normal working mode or not;
if the working mode of the distributed 1394 bus network system is judged to be a normal working mode, judging the integrity of the asynchronous stream packet information;
if the integrity of the asynchronous stream packet information is judged to be lost, the integrity of the distributed 1394 bus network system is judged to be lost.
According to at least one embodiment of the present application, in the above-mentioned method for checking the integrity of a distributed 1394 bus network system, if it is determined that the time offset of the start of frame packet stop message is invalid, the start of frame packet stop message of the present period is ignored.
According to at least one embodiment of the present application, in the above-mentioned method for checking the integrity of a distributed 1394 bus network system, if it is continuously determined that the time deviation of the remote node RN receiving the stop message of the frame start packet of the bus management controller CC is invalid, the failure of the branch of the bus management controller CC is recorded.
According to at least one embodiment of the present application, in the above-mentioned method for checking the integrity of a distributed 1394 bus network system, if the stop message of the start of frame packet is invalid, the stop message of the start of frame packet in the present period is ignored.
According to at least one embodiment of the present application, in the above-mentioned method for checking the integrity of a distributed 1394 bus network system, if the stop message of the start of frame packet is continuously determined to be invalid multiple times, the CC branch failure of the bus management controller is recorded.
According to at least one embodiment of the present application, in the above-mentioned method for checking the integrity of a distributed 1394 bus network system, if it is determined that the state of the bus management controller CC is not good, the stop message of the frame start packet of the present period is ignored.
According to at least one embodiment of the present application, in the above-mentioned method for checking the integrity of a distributed 1394 bus network system, if it is determined that the state of the bus management controller CC is not good, a branch failure of the bus management controller CC is recorded.
According to at least one embodiment of the present application, in the above-mentioned method for checking integrity of a distributed 1394 bus network system, the determining the integrity of an asynchronous streaming packet message specifically includes:
and performing CRC, heartbeat and VPC check on the asynchronous stream packet information, judging that the integrity of the asynchronous stream packet information is complete if the check is passed, otherwise, judging that the integrity of the asynchronous stream packet information is missing.
According to at least one embodiment of the present application, in the above method for checking the integrity of a distributed 1394 bus network system, if it is determined that the integrity of an asynchronous stream message is lost, message failure processing is performed on a remote node RN.
According to at least one embodiment of the present application, in the above method for checking the integrity of a distributed 1394 bus network system, if it is determined that the operation mode of the distributed 1394 bus network system is not a normal operation mode, it is determined whether the operation mode of the distributed 1394 bus network system is a system self-checking mode;
if the working mode of the distributed 1394 bus network system is the system self-checking mode, judging whether the distributed 1394 bus network system meets the condition of entering the system self-checking mode or not;
if the distributed 1394 bus network system is judged to be not in the condition of entering the system self-checking mode for multiple times, judging that the integrity of the distributed 1394 bus network system is lost;
if the distributed 1394 bus network system is judged to meet the condition of entering the system self-checking mode, the distributed 1394 bus network system is switched into the system self-checking mode, and after the self-checking is finished, the self-checking result is sent or the self-checking time is overtime, whether the time deviation of the remote node RN for receiving the STOF message of the CC frame initiation packet of the bus management controller is effective or not is judged again.
According to at least one embodiment of the present application, in the above method for checking the integrity of a distributed 1394 bus network system, if it is determined that the working mode of the distributed 1394 bus network system is not a system self-checking mode, it is determined whether the working mode of the distributed 1394 bus network system is a software loading mode;
if the working mode of the distributed 1394 bus network system is judged to be not a software loading mode, judging that the integrity of the distributed 1394 bus network system is lost;
if the working mode of the distributed 1394 bus network system is judged to be a software loading mode, judging whether the distributed 1394 bus network system meets the condition of entering the software loading mode or not;
if the distributed 1394 bus network system is judged to be not in the condition of entering the software loading mode for a plurality of times, judging that the integrity of the distributed 1394 bus network system is lost;
if the distributed 1394 bus network system meets the condition of entering the software loading mode, the distributed 1394 bus network system is switched into the software loading mode, and after the software loading is completed, whether the time deviation of the receiving of the STOF message of the CC frame initiation packet of the bus management controller by the remote node RN is effective or not is judged again.
Drawings
Fig. 1 is a schematic diagram of an integrity checking method of a distributed 1394 bus network system according to an embodiment of the present application.
For the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; further, the drawings are for illustrative purposes, wherein the terms describing the positional relationship are limited to the illustrative description only and are not to be construed as limiting the present patent.
Detailed Description
In order to make the technical solution of the present application and the advantages thereof more apparent, the technical solution of the present application will be more fully described in detail below with reference to the accompanying drawings, it being understood that the specific embodiments described herein are only some of the embodiments of the present application, which are for explanation of the present application, not for limitation of the present application. It should be noted that, for convenience of description, only the portion relevant to the present application is shown in the drawings, and other relevant portions may refer to a general design, and without conflict, the embodiments and technical features in the embodiments may be combined with each other to obtain new embodiments.
Furthermore, unless defined otherwise, technical or scientific terms used in the description of this application should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "upper," "lower," "left," "right," "center," "vertical," "horizontal," "inner," "outer," and the like as used in this description are merely used to indicate relative directions or positional relationships, and do not imply that a device or element must have a particular orientation, be configured and operated in a particular orientation, and that the relative positional relationships may be changed when the absolute position of the object being described is changed, and thus should not be construed as limiting the present application. The terms "first," "second," "third," and the like, as used in the description herein, are used for descriptive purposes only and are not to be construed as indicating or implying any particular importance to the various components. The use of the terms "a," "an," or "the" and similar referents in the description of the invention are not to be construed as limited in number to the precise location of at least one. As used in this description, the terms "comprises," "comprising," or the like are intended to cover an element or article that appears before the term and that is listed after the term and its equivalents, without excluding other elements or articles.
Furthermore, unless specifically stated and limited otherwise, the terms "mounted," "connected," and the like in the description herein are to be construed broadly and refer to either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements, and the specific meaning of the two elements can be understood by a person skilled in the art according to specific situations.
The present application is described in further detail below in conjunction with fig. 1.
A distributed 1394 bus network system integrity checking method, comprising:
judging whether the time deviation of the remote node RN receiving the STOF message of the CC frame start packet of the bus management controller is effective or not, specifically, if the time interval from the last time of receiving the STOF message of the CC frame start packet of the bus management controller is within 10 ms+/-100 us, the time deviation of the STOF message of the CC frame start packet of the current time can be considered to be effective;
if the time deviation of receiving the STOF message of the frame initiation packet of the CC of the bus management controller by the remote node RN is invalid, and can be three times, judging that the integrity of the distributed 1394 bus network system is lost;
if the time deviation of the STOF message of the frame start packet is judged to be valid, judging whether the STOF message of the frame start packet is valid or not, and checking and judging according to the 1394 bus protocol standard;
if the STOF message of the frame start packet is invalid, or can be three times, judging that the integrity of the distributed 1394 bus network system is lost;
if the STOF message is judged to be valid, judging whether the CC state of the bus management controller is good;
if the CC state of the bus management controller is judged to be not good, judging that the integrity of the distributed 1394 bus network system is lost;
if the state of the bus management controller CC is judged to be good, namely the bus management controller CC is in a normal working state, judging whether the working mode of the distributed 1394 bus network system is a normal working mode or not;
if the working mode of the distributed 1394 bus network system is judged to be a normal working mode, judging the integrity of the asynchronous stream packet message or other messages;
if the integrity of the asynchronous stream packet message or other messages is judged to be lost, the integrity of the distributed 1394 bus network system is judged to be lost.
As for the integrity checking method of the distributed 1394 bus network system disclosed in the above embodiment, it can be understood by those skilled in the art that the design is that it is sequentially determined whether the time deviation of the remote node RN receiving the bus management controller CC frame start packet stop message is valid, whether the state of the bus management controller CC is good, whether the working mode of the distributed 1394 bus network system is the normal working mode, the integrity of an asynchronous streaming packet or other messages, and when it is continuously determined that the time deviation of the remote node RN receiving the bus management controller CC frame start packet stop message is invalid, continuously and repeatedly determining that the frame start packet stop message is invalid, the state of the bus management controller CC is not good, and the integrity of the asynchronous streaming packet message or other messages is missing, it is determined that the integrity of the distributed 1394 bus network system is missing, so as to implement the integrity checking of the distributed 1394 bus network system.
In some alternative embodiments, in the above-mentioned method for checking the integrity of a distributed 1394 bus network system, if the time deviation of the stop message of the start of frame packet is not valid, the stop message of the start of frame packet of the present period is ignored.
In some alternative embodiments, in the above-mentioned distributed 1394 bus network system integrity checking method, if it is continuously determined that the time deviation of the remote node RN receiving the bus management controller CC frame start packet stop message is invalid, then the failure of the bus management controller CC branch is recorded.
In some alternative embodiments, in the distributed 1394 bus network system integrity checking method, if the start of frame packet stop message is determined to be invalid, the start of frame packet stop message of the period is ignored.
In some alternative embodiments, in the above-mentioned method for checking the integrity of a distributed 1394 bus network system, if the stop message of the start of frame packet is determined to be invalid by multiple consecutive determinations, the CC branch failure of the bus management controller is recorded.
In some alternative embodiments, in the above-mentioned distributed 1394 bus network system integrity checking method, if the state of the bus management controller CC is not good, the stop message of the frame start packet of the period is ignored.
In some alternative embodiments, in the distributed 1394 bus network system integrity checking method, if the state of the bus management controller CC is not good, a branch failure of the bus management controller CC is recorded.
In some optional embodiments, in the above method for checking integrity of a distributed 1394 bus network system, the determining the integrity of the asynchronous stream packet message specifically includes:
and performing CRC, heartbeat and VPC verification on the asynchronous stream packet information, judging that the integrity of the asynchronous stream packet information is complete if the asynchronous stream packet information passes the verification, otherwise, judging that the integrity of the asynchronous stream packet information is missing.
In some optional embodiments, in the above method for checking the integrity of a distributed 1394 bus network system, if it is determined that the integrity of the asynchronous stream message is lost, message fault processing is performed on the remote node RN.
In some optional embodiments, in the above method for checking the integrity of a distributed 1394 bus network system, if it is determined that the working mode of the distributed 1394 bus network system is not a normal working mode, it is determined whether the working mode of the distributed 1394 bus network system is a system self-checking mode;
if the working mode of the distributed 1394 bus network system is the system self-checking mode, judging whether the distributed 1394 bus network system meets the condition of entering the system self-checking mode or not;
if the distributed 1394 bus network system is judged to not meet the condition of entering the system self-checking mode for many times, judging that the integrity of the distributed 1394 bus network system is lost;
if the distributed 1394 bus network system is judged to meet the condition of entering the system self-checking mode, the distributed 1394 bus network system is switched into the system self-checking mode, and after the self-checking is finished, the self-checking result is sent or the self-checking time is overtime, whether the time deviation of the remote node RN for receiving the STOF message of the CC frame initiation packet of the bus management controller is effective or not is judged again.
In some optional embodiments, in the above method for checking the integrity of a distributed 1394 bus network system, if it is determined that the working mode of the distributed 1394 bus network system is not a system self-checking mode, it is determined whether the working mode of the distributed 1394 bus network system is a software loading mode;
if the working mode of the distributed 1394 bus network system is judged to be not a software loading mode, judging that the integrity of the distributed 1394 bus network system is lost;
if the working mode of the distributed 1394 bus network system is judged to be a software loading mode, judging whether the distributed 1394 bus network system meets the condition of entering the software loading mode or not;
if the distributed 1394 bus network system is judged to be not in the condition of entering the software loading mode for a plurality of times, judging that the integrity of the distributed 1394 bus network system is lost;
if the distributed 1394 bus network system meets the condition of entering the software loading mode, the distributed 1394 bus network system is switched into the software loading mode, and after the software loading is completed, whether the time deviation of the receiving of the STOF message of the CC frame initiation packet of the bus management controller by the remote node RN is effective or not is judged again.
In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred.
Having thus described the technical aspects of the present application with reference to the preferred embodiments illustrated in the accompanying drawings, it should be understood by those skilled in the art that the scope of the present application is not limited to the specific embodiments, and those skilled in the art may make equivalent changes or substitutions to the relevant technical features without departing from the principles of the present application, and those changes or substitutions will now fall within the scope of the present application.
Claims (10)
1. A distributed 1394 bus network system integrity checking method, comprising:
judging whether the time deviation of receiving a STOF message of a CC frame initiation packet by a remote node RN is effective or not;
if the time deviation of the remote node RN receiving the STOF message of the CC frame initiation packet of the bus management controller is invalid, judging that the integrity of the distributed 1394 bus network system is lost;
if the time deviation of the STOF message is judged to be valid, judging whether the STOF message is valid;
if the STOF message of the frame start packet is invalid, judging that the integrity of the distributed 1394 bus network system is lost;
if the STOF message is judged to be valid, judging whether the CC state of the bus management controller is good;
if the CC state of the bus management controller is judged to be not good, judging that the integrity of the distributed 1394 bus network system is lost;
if the CC state of the bus management controller is judged to be good, judging whether the working mode of the distributed 1394 bus network system is a normal working mode or not;
if the working mode of the distributed 1394 bus network system is judged to be a normal working mode, judging the integrity of the asynchronous stream packet information;
if judging that the integrity of the STOF message of the asynchronous stream packet is lost, judging that the integrity of the distributed 1394 bus network system is lost.
2. The distributed 1394 bus network system integrity check method of claim 1, wherein,
if the time deviation of the STOF message is invalid, the STOF message is ignored.
3. The distributed 1394 bus network system integrity check method of claim 1, wherein,
if the time deviation of the receiving of the STOF message of the CC frame start packet of the bus management controller is invalid, which is continuously and repeatedly judged by the remote node RN, the CC branch failure of the bus management controller is recorded.
4. The distributed 1394 bus network system integrity check method of claim 1, wherein,
if the STOF message is invalid, ignoring the STOF message of the frame start packet of the period;
if the STOF message is invalid, the CC branch failure of the bus management controller is recorded.
5. The distributed 1394 bus network system integrity check method of claim 1, wherein,
if the state of the bus management controller CC is not good, the STOF message of the frame start packet of the period is ignored.
6. The distributed 1394 bus network system integrity check method of claim 1, wherein,
if the state of the CC is judged not to be good, the CC branch failure of the CC is recorded.
7. The distributed 1394 bus network system integrity check method of claim 1, wherein,
the integrity of the asynchronous stream packet information is judged, specifically:
and performing CRC, heartbeat and VPC check on the asynchronous stream packet information, judging that the integrity of the STOF information of the asynchronous stream packet is complete if the information passes the check, otherwise, judging that the integrity of the information of the asynchronous stream packet is missing.
8. The distributed 1394 bus network system integrity check method of claim 1, wherein,
and if judging that the integrity of the asynchronous flow packet information is lost, carrying out information fault processing on the remote node RN.
9. The distributed 1394 bus network system integrity check method of claim 1, wherein,
if the working mode of the distributed 1394 bus network system is judged to be not the normal working mode, judging whether the working mode of the distributed 1394 bus network system is a system self-checking mode or not;
if the working mode of the distributed 1394 bus network system is the system self-checking mode, judging whether the distributed 1394 bus network system meets the condition of entering the system self-checking mode or not;
if the distributed 1394 bus network system is judged to not meet the condition of entering the system self-checking mode for many times, judging that the integrity of the distributed 1394 bus network system is lost;
if the distributed 1394 bus network system meets the condition of entering the system self-checking mode, the distributed 1394 bus network system is switched into the system self-checking mode, and after the self-checking is finished, the self-checking result is sent or the self-checking time is overtime, whether the time deviation of the remote node RN for receiving the STOF message of the CC frame initiation packet of the bus management controller is effective is judged again.
10. The distributed 1394 bus network system integrity check method of claim 9, wherein,
if the working mode of the distributed 1394 bus network system is judged not to be the system self-checking mode, judging whether the working mode of the distributed 1394 bus network system is a software loading mode or not;
if the working mode of the distributed 1394 bus network system is judged to be not a software loading mode, judging that the integrity of the distributed 1394 bus network system is lost;
if the working mode of the distributed 1394 bus network system is judged to be a software loading mode, judging whether the distributed 1394 bus network system meets the condition of entering the software loading mode or not;
if the distributed 1394 bus network system is judged to not meet the condition of entering the software loading mode for a plurality of times, judging that the integrity of the distributed 1394 bus network system is lost;
if the distributed 1394 bus network system meets the condition of entering the software loading mode, the distributed 1394 bus network system is switched into the software loading mode, and after the software loading is completed, whether the time deviation of the receiving of the STOF message of the CC frame initiation packet of the bus management controller by the remote node RN is effective or not is judged again.
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