CN111245931B - GPRS module communication scheduling method based on water conservation RTU - Google Patents

GPRS module communication scheduling method based on water conservation RTU Download PDF

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CN111245931B
CN111245931B CN202010023862.1A CN202010023862A CN111245931B CN 111245931 B CN111245931 B CN 111245931B CN 202010023862 A CN202010023862 A CN 202010023862A CN 111245931 B CN111245931 B CN 111245931B
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data
communication module
communication
short message
processing
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CN111245931A (en
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林占东
张蕾
章俊
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Dongshen Zhishui Technology Shenzhen Co ltd
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SHENZHEN DONGSHEN ELECTRONIC CO LTD
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H04L69/161Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
    • H04L69/162Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12Messaging; Mailboxes; Announcements
    • H04W4/14Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1221Wireless traffic scheduling based on age of data to be sent
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/535Allocation or scheduling criteria for wireless resources based on resource usage policies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a GPRS module communication scheduling method based on a water conservancy RTU, which comprises the following steps: s1, receiving and processing data through a GPRS module; s2, scheduling and distributing the data according to the flag bit and the data type; s3, initializing the communication module step by step according to the zone bit; s4, socket processing is carried out step by step according to the flag bits; s5, short message processing is carried out step by step according to the zone bits; in the invention, each task is performed step by step according to the zone bit by adopting a state machine mode, so that the blockage condition of each task can not exist, namely the task can not influence the operation of other tasks, and each task can be operated in time, thereby realizing the processing of multiple channels of the GPRS module, solving the problem that the GPRS communication uses the multiple channels for communication at the same time, improving the communication efficiency and increasing the use occasions of the water conservancy RTU.

Description

GPRS module communication scheduling method based on water conservation RTU
Technical Field
The invention belongs to the technical field of water conservancy RTUs, and particularly relates to a GPRS module communication scheduling method based on a water conservancy RTU.
Background
The GPRS communication module on the water conservancy RTU can select and adopt a TCPUDP channel, a short message channel, a voice communication channel and other 3 different channels in GPRS or carry out data communication by mixed use according to the field application environment or the requirements of customers. Therefore, the water conservancy RTU is required to process the GPRS communication module, and communication compatible with three channels is required at the same time, however, the existing RTU equipment generally supports only one channel to be developed, and therefore, a GPRS module communication scheduling method based on the water conservancy RTU is provided.
Disclosure of Invention
The invention aims to provide a GPRS module communication scheduling method based on a water conservancy RTU (remote terminal unit) so as to solve the problems in the background technology.
In order to realize the purpose, the invention adopts the following technical scheme:
a GPRS module communication scheduling method based on water conservancy RTU comprises the following steps:
s1, receiving and processing data through a GPRS module;
s2, scheduling and distributing the data according to the flag bit and the data type;
s3, initializing the communication module step by step according to the zone bit;
s4, socket processing is carried out step by step according to the flag bits;
and S5, short message processing is carried out step by step according to the zone bit.
Preferably, in S2, the scheduling process includes the steps of:
s201, when the working mode is on line, a communication module is informed to be started;
s202, after the communication module is started, returning to a working mode, and checking whether data need to be sent;
s203, when data need to be sent, sending the data through a main channel;
s204, after the data are successfully transmitted, setting a data transmission success mark, and returning to the working mode;
s205, the communication module is informed to be closed in the working mode, and the working mode is in a dormant state.
Preferably, if the communication module is not started, the communication module returns to the working mode, the communication module is restarted, after the data transmission through the main channel fails, the standby channel is selected to transmit the data, after the data transmission through the standby channel fails, the data transmission failure flag is set, the communication module returns to the working mode, and if the communication module is not closed, the communication module returns to the working mode, and the communication module is closed again.
Preferably, in S3, the communication module initialization processing includes:
s301, after receiving the starting operation instruction, the communication module starts the communication module;
s302, after the communication module is started, setting a start completion mark;
s303, after the communication module receives the operation closing instruction, closing the communication module;
and S304, after the communication module is closed, setting a closing completion mark.
Preferably, after the communication module receives the start operation instruction, if the communication module is not started, the operation of starting the communication module is carried out again; and after the communication module receives the operation closing instruction, if the communication module is not closed, the operation of closing the communication module is carried out again.
Preferably, in S4, the Socket processing includes the following steps:
s401, when Socket connection is started successfully, checking whether data need to be sent;
s402, when checking whether data need to be sent or not, calling received data for processing to obtain the data;
s403, receiving the data and sending the data through a Socket;
s404, when the data transmission is successful, setting a successful transmission mark, returning to S401, when the data transmission is failed, setting a failed transmission mark, and entering the next step;
s405, when the Socket has an error, closing the Socket, waiting for three minutes, and returning to S401; when no error occurs in the Socket, the process returns to S402.
Preferably, in S5, the short message processing includes the following steps:
s501, checking whether a short message needs to be sent;
s502, when whether a short message needs to be sent or not is checked, received data processing is called, and the short message is obtained;
s503, receiving the short message and sending the short message;
s504, when the short message is successfully sent, setting a successful sending mark, and returning to S501; and when the short message is failed to be sent, setting a sending failure mark, and returning to the step S501.
Preferably, the method for transmitting data comprises the following steps:
s01, checking whether data need to be sent or not;
s02, when data needs to be actively sent, data setting and sending parameters are prepared;
and S03, returning to S01 when the data transmission is finished.
Preferably, when receiving the GPRS data, the receiving device processes the received data, and when receiving the short message data, the receiving device processes the received data.
Preferably, when the data is processed, each task is performed step by step according to the flag bit by adopting a state machine mode.
The invention has the technical effects and advantages that: compared with the prior art, the GPRS module communication scheduling method based on the water conservancy RTU has the following advantages that:
in the invention, each task is carried out step by adopting a state machine mode according to the zone bit, each task has no blocking condition, namely the task does not influence the operation of other tasks, and each task can be timely operated, thereby realizing the processing of the multiple channels of the GPRS module, solving the problem that the GPRS communication simultaneously uses the multiple channels for communication, improving the communication efficiency, increasing the use occasions of a water conservancy RTU, occupying serial ports to carry out data interaction with the GPRS module according to the distribution of a scheduling module, ensuring the orderly execution of a plurality of communication tasks such as socket connection, short messages, communication and the like, and realizing the simultaneous execution of each communication task.
Drawings
FIG. 1 is a flow chart of the scheduling process of the present invention;
FIG. 2 is a flow chart of a communication module initialization process of the present invention;
FIG. 3 is a Socket processing flow chart of the present invention;
FIG. 4 is a short message processing flow chart of the present invention;
FIG. 5 is a flow chart of data transmission according to the present invention;
FIG. 6 is a flow chart of the received GPRS data processing of the present invention;
fig. 7 is a flow chart of the processing of the received short message data according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The invention provides a GPRS module communication scheduling method based on a water conservancy RTU (remote terminal Unit) as shown in figures 1-7, which comprises the following steps:
s1, receiving and processing data through a GPRS module;
s2, scheduling and distributing the data according to the flag bit and the data type;
s3, initializing the communication module step by step according to the zone bit;
s4, socket processing is carried out step by step according to the zone bits;
and S5, short message processing is carried out step by step according to the zone bit.
In this embodiment, in S2, during the scheduling process, the following steps are included:
s201, when the working mode is on line, a communication module is informed to start;
s202, after the communication module is started, returning to a working mode, and checking whether data need to be sent;
s203, when data need to be sent, sending the data through a main channel;
s204, after the data are successfully sent, setting a data sending success mark, and returning to the working mode;
s205, the communication module is informed to be closed in the working mode, and the working mode is in a dormant state.
By adopting the technical scheme, the data received from the GPRS module can be processed uniformly, and the data can be distributed according to the occupation mark and the data type.
In this embodiment, if the communication module is not started, the communication module returns to the working mode, the communication module is restarted, after the data transmission through the main channel fails, the backup channel is selected to transmit the data, after the data transmission failure through the backup channel is selected, the data transmission failure flag is set, the communication module returns to the working mode, and if the communication module is not closed, the communication module returns to the working mode, and the communication module is closed again. The working mode adopts a low power consumption state, whether data needs to be sent is judged, if yes, the data is in a permanent online state, the communication module is continuously started to enter the working mode, and the working mode continuously adopts the low power consumption state to send the data through the main channel.
By adopting the technical scheme, the working personnel can be reminded of the current working state.
In this embodiment, in S3, when the communication module initializes, the method includes the following steps:
s301, after receiving the starting operation instruction, the communication module starts the communication module;
s302, after the communication module is started, setting a start completion mark;
s303, after the communication module receives the operation closing instruction, closing the communication module;
and S304, after the communication module is closed, setting a closing completion mark.
Preferably: after the communication module receives the starting operation instruction, if the communication module is not started, the operation of starting the communication module is carried out again; and after the communication module receives the operation closing instruction, if the communication module is not closed, the operation of closing the communication module is carried out again.
By adopting the technical scheme, the data can be distributed according to the occupation mark and the data type.
In this embodiment, in S4, when Socket processing, the method includes the following steps:
s401, when Socket connection is started successfully, checking whether data need to be sent;
s402, when checking whether data need to be sent or not, calling received data for processing to obtain the data;
s403, receiving the data and sending the data through a Socket;
s404, when the data transmission is successful, setting a transmission success mark, returning to S401, when the data transmission is failed, setting a transmission failure mark, and entering the next step;
s405, when the Socket has an error, closing the Socket, waiting for three minutes, and returning to S401; when no error occurs in the Socket, the process returns to S402.
By adopting the technical scheme, the data received from the GPRS module can be processed in a unified mode, the data are distributed according to the occupation mark and the data type, the data are sent to all Socket tasks to be processed, all the Socket tasks occupy serial ports to perform data interaction with the GPRS module according to the distribution of the scheduling module, and the orderly execution of all the Socket connection communication tasks is guaranteed.
In this embodiment, in S5, when processing the short message, the method includes the following steps:
s501, checking whether a short message needs to be sent;
s502, when whether a short message needs to be sent or not is checked, received data processing is called, and the short message is obtained;
s503, receiving the short message and sending the short message;
s504, when the short message is successfully sent, setting a successful sending mark, and returning to S501; and when the short message transmission fails, setting a transmission failure mark, and returning to the step S501.
The data received from the GPRS module can be processed in a unified mode, the data are distributed according to the occupation marks and the data types, the data are sent to each short message task to be processed, each short message task occupies a serial port to perform data interaction with the GPRS module according to the distribution of the scheduling module, and the orderly execution of each short message connection communication task is guaranteed.
Preferably: when data is transmitted, the method comprises the following steps:
s01, checking whether data need to be sent or not;
s02, when data needs to be actively sent, data setting and sending parameters are prepared;
and S03, returning to S01 when the data transmission is finished.
Preferably: and when receiving the GPRS data, processing the received data, and when receiving the short message data, processing the received data.
By adopting the technical scheme, GPRS data and short message data can be processed.
The working principle is as follows: the invention processes the data received from the GPRS module in a unified way, distributes the data according to the occupation mark and the data category, sends the data to each socket, short message and telephone task for processing, and each socket, short message and telephone task occupies a serial port to perform data interaction with the GPRS module according to the distribution of a scheduling module, thereby ensuring the orderly execution of a plurality of communication tasks such as each socket connection, short message and telephone, and realizing the simultaneous execution of each communication task.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (8)

1. A GPRS module communication scheduling method based on a water conservation RTU is characterized by comprising the following steps:
s1, receiving and processing data through a GPRS module;
s2, scheduling and distributing the data according to the flag bit and the data type; in S2, the scheduling process includes the steps of:
s201, when the working mode is on line, a communication module is informed to start;
s202, after the communication module is started, returning to a working mode, and checking whether data need to be sent;
s203, when data need to be sent, sending the data through a main channel;
s204, after the data are successfully transmitted, setting a data transmission success mark, and returning to the working mode;
s205, informing the communication module to be closed in the working mode, and enabling the working mode to be in a dormant state;
s3, initializing the communication module step by step according to the zone bit;
s4, socket processing is carried out step by step according to the flag bits;
s5, short message processing is carried out step by step according to the zone bits;
when the data is processed, each task is performed step by step according to the zone bit by adopting a state machine mode.
2. The water conservancy RTU-based GPRS module communication scheduling method of claim 1, characterized in that: if the communication module is not started, returning to the working mode, restarting the communication module, selecting a standby channel to send data after the data sending through the main channel fails, setting a data sending failure mark after the data sending through the standby channel fails, returning to the working mode, and if the communication module is not closed, returning to the working mode and re-closing the communication module.
3. The water conservancy RTU-based GPRS module communication scheduling method of claim 1, wherein: in S3, the communication module initialization processing includes the steps of:
s301, after receiving the starting operation instruction, the communication module starts the communication module;
s302, after the communication module is started, setting a starting completion mark;
s303, after the communication module receives the operation closing instruction, closing the communication module;
and S304, after the communication module is closed, setting a closing completion mark.
4. The water conservancy RTU-based GPRS module communication scheduling method of claim 3, characterized in that: after the communication module receives the starting operation instruction, if the communication module is not started, the operation of starting the communication module is carried out again; and after the communication module receives the operation closing instruction, if the communication module is not closed, the operation of closing the communication module is carried out again.
5. The water conservancy RTU-based GPRS module communication scheduling method of claim 1, characterized in that: in S4, socket processing includes the following steps:
s401, when Socket connection is started successfully, checking whether data need to be sent;
s402, when checking whether data need to be sent, calling received data for processing to acquire the data;
s403, receiving the data and sending the data through a Socket;
s404, when the data transmission is successful, setting a transmission success mark, returning to S401, when the data transmission is failed, setting a transmission failure mark, and entering the next step;
s405, when the Socket has an error, closing the Socket, waiting for three minutes, and returning to S401; when no error occurs in the Socket, the process returns to S402.
6. The water conservancy RTU-based GPRS module communication scheduling method of claim 5, characterized in that: in S5, the short message processing method includes the following steps:
s501, checking whether a short message needs to be sent;
s502, when whether a short message needs to be sent is checked, the received data is called for processing, and the short message is obtained;
s503, receiving the short message and sending the short message;
s504, when the short message is successfully sent, setting a successful sending mark, and returning to S501; and when the short message is failed to be sent, setting a sending failure mark, and returning to the step S501.
7. The water conservancy RTU-based GPRS module communication scheduling method of claim 1, wherein: when data is transmitted, the method comprises the following steps:
s01, checking whether data need to be sent or not;
s02, when data needs to be actively transmitted, data are prepared to set transmission parameters;
and S03, returning to S01 when the data transmission is finished.
8. The water conservancy RTU-based GPRS module communication scheduling method of claim 1, characterized in that: and when receiving GPRS data, receiving data processing, and when receiving short message data, receiving data processing.
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5555351A (en) * 1992-05-08 1996-09-10 Monarch Marking Systems, Inc. Host communication message manager for a label printing system with data collection capabilities

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101131787A (en) * 2006-08-24 2008-02-27 北京燕禹水务科技有限公司 Real-time hydrology information automatic monitoring and disaster situation alerting system
CN103200704A (en) * 2011-12-20 2013-07-10 常州先进制造技术研究所 ZigBee network monitoring system combined with general packet radio service (GPRS)
CN103491267B (en) * 2013-09-26 2015-11-18 山东思达特测控设备有限公司 The method to set up of a kind of intelligent wireless RTU
CN104200629B (en) * 2014-09-01 2018-05-22 中国东方电气集团有限公司 A kind of software systems based on GPRS monitor terminals
CN106056876A (en) * 2016-06-06 2016-10-26 暨南大学 Enterprise energy management information acquisition system and method
CN106534187A (en) * 2016-12-13 2017-03-22 广东沅朋网络科技有限公司 Unified management method and system for multi-type wireless data transmission terminal

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5555351A (en) * 1992-05-08 1996-09-10 Monarch Marking Systems, Inc. Host communication message manager for a label printing system with data collection capabilities

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"31111-f40".《3GPP tsg_ct\wg6_smartcard_ex-t3》.2018,全文. *

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