Efficient intelligent gas meter differential firmware upgrading method
A firmware upgrade, gas meter technology, applied in electrical components, software deployment, instruments, etc., can solve problems such as low disk occupancy, low code technology integration complexity, etc., achieve low disk occupancy, reduce manual intervention, and low The effect of memory consumption
Pending Publication Date: 2020-12-11
SHANGHAI FIORENTINI GAS EQUIP
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Problems solved by technology
[0008] Aiming at the deficiencies in the above-mentioned prior art, the present invention provides an efficient intelligent gas meter differential firmware upgrade method, which can realize smaller differential packets, low-flow network transmission, no need for decompression, low memory consumption and low Disk occupancy, low-code technology integration complexity, rapid problem repair and system update and upgrade in NB and other narrow-bandwidth and low-speed networks, thereby reducing manual intervention and technical personnel participation, quickly realizing problem repair and product iterative upgrades
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[0029] According to the attached figure 1 , give a preferred embodiment of the present invention, and give a detailed description, so that the functions and characteristics of the present invention can be better understood.
[0030] see figure 1 , an efficient intelligent gas meter differential firmware upgrade method according to an embodiment of the present invention, comprising the steps of:
[0031] S1: Generate a differential packet using the MLD mark bit differential method;
[0032] S2: A smart gas meter to be upgraded receives a differential packet, and the smart gas meter to be upgraded stores an old file;
[0033] S3: The smart gas meter to be upgraded reads the differential package and performs firmware upgrade.
[0034] Wherein, the S1 step further includes the steps:
[0035] S11: compare a corresponding field in the new file and the old file, and obtain the maximum matching byte length and the offset of the next field in the old file that are different (that ...
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The invention provides an efficient intelligent gas meter differential firmware upgrading method. The efficient intelligent gas meter differential firmware upgrading method comprises the steps that S1, a differential package is generated through an MLD flag bit differential method; s2, the differential packet is received by a to-be-upgraded intelligent gas meter, wherein an old file is stored in the to-be-upgraded intelligent gas meter; and S3, the to-be-upgraded intelligent gas meter reads the differential packet and carries out firmware upgrading. According to the efficient intelligent gas meter differential firmware upgrading method, small differential package and low-flow network transmission can be achieved, decompression is not needed, and a gas meter equipment embedded system is lowin memory consumption, low in disk occupancy and low in code technology integration complexity.
Description
technical field [0001] The invention relates to the field of gas meter firmware upgrade methods, in particular to an efficient intelligent gas meter differential firmware upgrade method. Background technique [0002] With the rapid development of computer and Internet of Things communication technology, more and more household smart gas meters have replaced household mechanical gas meters, which brings great convenience to gas companies for meter management. It can be said that the functions of household smart gas meters It is not just the collection and display of metering data, it also involves the monitoring of abnormal state information of meters, the management of gas consumption information, the sending of data and the receiving and processing of control commands. This is a complete set of computer software and hardware systems, any Changes in all links may involve changes to the internal firmware program of the watch, and such changes are very likely to occur during t...
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IPC IPC(8): G06F8/65H04L29/08G16Y10/35G16Y40/40
CPCG06F8/65H04L67/12G16Y10/35G16Y40/40
Inventor 苏龙峰王滨滨梅钢陆从杭朱晓明张东刘金梁彭学枝朱驾宁朱莉
Owner SHANGHAI FIORENTINI GAS EQUIP