CN114114342A - RDSS short message sending closed loop monitoring method, device and storage medium - Google Patents

RDSS short message sending closed loop monitoring method, device and storage medium Download PDF

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Publication number
CN114114342A
CN114114342A CN202111403238.5A CN202111403238A CN114114342A CN 114114342 A CN114114342 A CN 114114342A CN 202111403238 A CN202111403238 A CN 202111403238A CN 114114342 A CN114114342 A CN 114114342A
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short message
module
cpu
multiplexer
time interval
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李莉
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Cetc Xinghe Beidou Technology Xi'an Co ltd
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Cetc Xinghe Beidou Technology Xi'an Co ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/35—Constructional details or hardware or software details of the signal processing chain
    • G01S19/37—Hardware or software details of the signal processing chain
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/23—Testing, monitoring, correcting or calibrating of receiver elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18519—Operations control, administration or maintenance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)

Abstract

The application discloses a RDSS short message sending closed loop monitoring method, a device and a storage medium, relates to the technical field of short message monitoring, and solves the problem of RDSS communication link detection. Acquiring original data, packaging the original data in a CPU, and determining the time length to be sent according to the data length of a short message; sending a short message to trigger an enable pulse in a monitoring Beidou RDSS module, recording a time interval between a rising edge and a falling edge by a CPU, and determining a monitoring time interval; triggering the multiplexer by the rising edge, wherein the current value is greater than the current threshold value, the multiplexer sends a short message, and the multiplexer does not send the short message by the falling edge; the CPU records the difference value between the time interval between the high level and the low level and the time length to be sent, compares the difference value with a preset threshold value, and judges whether a fault occurs, so that the combination of software and hardware is realized, a short message sending link sent by the RDSS can be monitored in real time, the fault detection efficiency is improved, the closed loop detection of the short message sending is completed, and the reliability of data transmission is improved.

Description

RDSS short message sending closed loop monitoring method, device and storage medium
Technical Field
The present application relates to the field of short message monitoring technologies, and in particular, to a method, an apparatus, and a storage medium for monitoring RDSS short message sending closed loop.
Background
Avionics equipment requires reliability and high safety, fault detection coverage is required to be as high as 95%, and the transmission link of satellite radio positioning system (RDSS) communication equipment is an important part of the equipment composition.
However, the conventional RDSS communication apparatus does not perform self-checking on a communication link for transmitting information, and therefore cannot determine whether the RDSS communication link is in a non-failure state every time a signal is transmitted.
How to detect the RDSS communication link during transmission and determine the integrity of signal transmission is a problem that needs to be solved at present.
Disclosure of Invention
The embodiment of the application provides a method for monitoring the closed loop of the RDSS short message transmission, solves the problems that in the prior art, the RDSS communication link is not detected, and whether the signal transmission is complete or not can not be guaranteed, realizes the combination of software and hardware, can monitor the short message transmission link transmitted by the RDSS in real time, improves the fault detection efficiency, completes the closed loop detection of the short message transmission, and improves the reliability of data transmission.
In a first aspect, the present invention provides a RDSS short message sending closed loop monitoring method, including
Acquiring original data to be transmitted, encapsulating the original data in a CPU, and determining a short message after encapsulation;
determining the time length to be sent according to the data length of the short message;
sending the short message to a Beidou monitoring RDSS module, triggering an enabling pulse in the Beidou monitoring RDSS module, recording a time interval between a rising edge and a falling edge by the CPU, and determining a monitoring time interval;
when the enabling pulse is a rising edge, an enabling pin in the Beidou RDSS module is monitored to be in a high level, a multiplexer is triggered, the current value is larger than a current threshold value, the multiplexer sends the short message, and when the enabling pulse is a falling edge, the current value is smaller than the current threshold value, the multiplexer does not send the short message;
when the current value is larger than the current threshold value, the multiplexer sends a high level signal to the CPU, when the current value is smaller than the current threshold value, the multiplexer sends a low level signal to the CPU, the CPU records a time interval between the high level and the low level, and determines a feedback time interval;
and calculating the difference value between the monitoring time interval, the feedback time interval and the time length to be sent, comparing the difference value with a preset threshold value, determining whether the Beidou RDSS module has a fault, and determining whether the short message is sent successfully.
With reference to the first aspect, in a possible implementation manner, the method further includes: and when the enabling pulse is not detected for the first continuous preset times, determining that the Beidou RDSS module has a fault.
With reference to the first aspect, in a possible implementation manner, the method further includes: and when the Beidou RDSS module is determined to have a fault, a reset signal is sent to the Beidou RDSS module, so that the Beidou RDSS module is reset.
With reference to the first aspect, in a possible implementation manner, the determining whether the beidou RDSS module fails includes: and when the difference values of the second continuous preset times are all larger than the preset threshold value, determining that the Beidou RDSS module breaks down.
With reference to the first aspect, in a possible implementation manner, the method further includes triggering a multiplexer when an enable pin in the monitoring beidou RDSS module is at a high level, and determining that the multiplexer fails when the CPU does not receive a high level signal sent by the multiplexer.
With reference to the first aspect, in a possible implementation manner, the determining whether the beidou RDSS module fails includes: when the Beidou RDSS module breaks down, sending the fault, recording a log into the CPU, and resetting the Beidou RDSS module.
In a second aspect, an embodiment of the present invention provides an RDSS short message sending closed-loop monitoring apparatus, including
The packaging module is used for acquiring original data to be sent, packaging the original data in the CPU and determining a short message after packaging and conversion;
a sending duration determining module, configured to determine a duration to be sent according to the data length of the short message;
the monitoring time interval determining module is used for sending the short message to the Beidou monitoring RDSS module, triggering an enabling pulse in the Beidou monitoring RDSS module, recording a time interval between a rising edge and a falling edge by the CPU, and determining a monitoring time interval;
the multiplexer triggering module is used for monitoring that an enabling pin in the Beidou RDSS module is in a high level when the enabling pulse is in a rising edge, triggering a multiplexer, wherein the current value is greater than a current threshold value, the multiplexer sends the short message, and when the enabling pulse is in a falling edge, the current value is less than the current threshold value, and the multiplexer does not send the short message;
a feedback time interval determining module, configured to send a high level signal to the CPU when the current value is greater than the current threshold, send a low level signal to the CPU when the current value is less than the current threshold, record a time interval between the high level and the low level by the CPU, and determine a feedback time interval;
and the fault determining module is used for calculating the difference values between the monitoring time interval, the feedback time interval and the time length to be sent, comparing the difference values with a preset threshold value, determining whether the Beidou RDSS module has a fault or not, and determining whether the short message is sent successfully or not.
With reference to the second aspect, in a possible implementation manner, the Beidou RDSS module fault determination module is further included, and is configured to determine that the Beidou RDSS module has a fault when the enable pulse is not detected for the first continuous preset number of times.
With reference to the second aspect, in a possible implementation manner, the Beidou RDSS monitoring system further comprises a reset module, and when it is determined that the Beidou RDSS module fails, a reset signal is sent to the Beidou RDSS module, so that the Beidou RDSS module is reset.
With reference to the second aspect, in a possible implementation manner, the fault determining module is further configured to: and when the difference values of the second continuous preset times are all larger than the preset threshold value, determining that the Beidou RDSS module breaks down.
With reference to the second aspect, in a possible implementation manner, the fault determining module is further configured to: when the Beidou RDSS module breaks down, sending the fault, recording a log into the CPU, and resetting the Beidou RDSS module.
In a third aspect, an embodiment of the present invention provides a server for RDSS short message sending closed-loop monitoring, including a memory and a processor;
the memory is to store computer-executable instructions;
the processor is configured to execute the computer-executable instructions to implement the method of any of the first aspect.
In a fourth aspect, the present invention provides a computer-readable storage medium storing executable instructions, which when executed by a computer, can implement the method according to any one of the first aspect.
One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:
the implementation of the invention adopts an RDSS short message sending closed loop monitoring method, which comprises the steps of obtaining original data to be sent, packaging the original data in a CPU, and determining a short message after the packaging and conversion; determining the time length to be sent according to the data length of the short message; sending the short message to a monitoring Beidou RDSS module, triggering an enabling pulse in the monitoring Beidou RDSS module, recording a time interval between a rising edge and a falling edge by a CPU, and determining a monitoring time interval; when the enabling pulse is a rising edge, monitoring that an enabling pin in the Beidou RDSS module is a high level, triggering a multiplexer, wherein the current value is greater than a current threshold value, the multiplexer sends a short message, and when the enabling pulse is a falling edge, the current value is less than the current threshold value, the multiplexer does not send the short message; when the current value is greater than the current threshold, the multiplexer sends a high level signal to the CPU, when the current value is less than the current threshold, the multiplexer sends a low level signal to the CPU, the CPU records the time interval between the high level and the low level, and determines the feedback time interval; the method and the device for detecting the short message transmission time length solve the problems that in the prior art, a RDSS communication link is not detected, and whether signal transmission is complete or not can not be guaranteed, and realize real-time monitoring on the short message transmission link transmitted by the RDSS through combination of software and hardware, improve the fault detection efficiency, complete closed-loop detection of short message transmission, and improve the reliability of data transmission.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments of the present invention or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a flowchart illustrating steps of an RDSS short message transmission closed-loop monitoring method according to an embodiment of the present application;
fig. 2 is a hardware connection diagram of an RDSS short message sending closed-loop monitoring method according to an embodiment of the present application;
fig. 3 is a schematic diagram of a short message transmission data flow of the RDSS short message transmission closed-loop monitoring method according to the embodiment of the present application;
fig. 4 is a waveform diagram of an enable pulse and a feedback signal of the RDSS short message transmission closed-loop monitoring method according to the embodiment of the present application;
fig. 5 is a schematic diagram illustrating a multiplexer detection flow of the RDSS short message sending closed-loop monitoring method according to the embodiment of the present application;
fig. 6 is a schematic diagram of a short message sending monitoring and recovery mechanism of the RDSS short message sending closed-loop monitoring method according to the embodiment of the present application;
fig. 7 is a schematic diagram of an RDSS short message sending closed-loop monitoring device according to an embodiment of the present application;
fig. 8 is a schematic diagram of an RDSS short message sending closed-loop monitoring server according to an embodiment of the present application.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
At present, avionic equipment requires improved reliability and high safety, the fault detection coverage rate is required to be as high as 95%, a sending link of RDSS communication equipment is an important component of the equipment, but the sending link is not subjected to self-detection in the traditional RDSS communication equipment. The traditional RDSS communication equipment is characterized in that a CPU collects data of an airplane airborne system and then sends the data to a multiplexer through a Beidou RDSS module, and finally the data is sent to a satellite from an antenna.
The embodiment of the invention provides a closed loop monitoring method for RDSS short message sending, which comprises the following steps:
step S101, obtaining original data to be sent, encapsulating the original data in a CPU, and determining a short message after encapsulation.
And step S102, determining the time length to be sent according to the data length of the short message.
Step S103, sending the short message to the monitoring Beidou RDSS module, triggering an enabling pulse in the monitoring Beidou RDSS module, recording a time interval between a rising edge and a falling edge by the CPU, and determining a monitoring time interval.
And step S104, when the enabling pulse is a rising edge, monitoring that an enabling pin in the Beidou RDSS module is at a high level, triggering the multiplexer, sending a short message by the multiplexer when the current value is greater than a current threshold value, and not sending the short message by the multiplexer when the current value is less than the current threshold value when the enabling pulse is a falling edge.
Step S105, when the current value is larger than the current threshold, the multiplexer sends a high level signal to the CPU, when the current value is smaller than the current threshold, the multiplexer sends a low level signal to the CPU, the CPU records the time interval between the high level and the low level, and the feedback time interval is determined.
And step S106, calculating the difference values of the monitoring time interval, the feedback time interval and the time length to be sent, comparing the difference values with a preset threshold value, determining whether the Beidou RDSS module fails, and determining whether the short message is sent successfully.
According to the method, the Beidou RDSS module and the multiplexer can be detected in a software and hardware combined mode, the sending link of the short message is monitored in real time, the fault detection efficiency is improved, the closed-loop monitoring of the sending of the short message is completed, and the reliability of data transmission is improved.
In a possible implementation manner, the method further includes that when an enable pin in the Beidou RDSS module is monitored to be at a high level, the multiplexer is triggered, and when the CPU does not receive a high level signal sent by the multiplexer, the multiplexer is determined to be in a fault state.
In a specific embodiment, in the hardware connection diagram shown in fig. 2, the data acquisition module is connected to the CPU through a dedicated interface, the beidou RDSS module is connected to the CPU through a UART serial port, and simultaneously, the Reset pin Reset of the beidou RDSS module is connected to the CPU, and the CPU controls the Reset of the beidou RDSS module through controlling the level of the Reset pin Reset. And a short message sending enabling pin of the Beidou RDSS module is connected to the CPU and the multiplexer and used for monitoring the short message sending process and the switch of the multiplexer by the CPU. The Beidou RDSS module is connected with the multiplexer through a radio frequency connecting wire and used for transmitting the packaged short messages. The feedback signal of the multiplexer is connected to the CPU for monitoring the signal transmission of the multiplexer. The FeedBack signal (FeedBack) is the detection signal of the multiplexer, i.e. when the current is larger than the current threshold, the output pulse generates the FeedBack signal.
The data flow sent by the Beidou RDSS module short message for the airplane airborne data is shown in fig. 3, and in order to ensure the integrity and reliability of data transmission, closed-loop monitoring must be carried out on 1,2,3 and 4 data links shown in fig. 3. For the data link 1 and the data link 2 in fig. 3, the reliability of the data is ensured by a data checking method, and different data formats are checked differently. The data verification method in data link 1 and data link 2 is not discussed in this application. Data link 3 and data link 4 are monitored in the present application.
The multiplexer is the selector switch that receives and send, and during short message transmission, big dipper RDSS module opens the transmission power supply for the high level through making enable pulse, and the multiplexer sends data, and the electric current is greater than the current threshold value, and the feedback signal is the high level. After the short message is sent, the enabling pulse is at a low level, the sending power supply is closed, the current value of the multiplexer is smaller than the current threshold value, and the feedback signal is at the low level. The relation of the enabling pulse, the feedback signal and the short message is shown in fig. 4, in order to send the integrity of data, the Beidou RDSS module enables the enabling pulse to be high level in advance according to the data, the advance amount is different according to different software designs of the specific Beidou RDSS module, the enabling pulse can be measured through an oscilloscope, and in the specific example of the application, 10ms is taken as an example.
The detection flow of the multiplexer fault is shown in fig. 5, when the multiplexer can normally turn on the short message power supply, the data link 4 is considered to be correct, and the CPU detects the enable pulse of the beidou RDSS module and the feedback signal of the multiplexer at the same time as shown in fig. 5, that is, during the period of detecting the enable pulse, if the feedback signal of the multiplexer is detected, the transmission is successful, otherwise, the transmission fails. Considering the measurement error, if the detection in fig. 5 fails to be sent 3 times consecutively, the multiplexer is considered to be faulty and logged.
In one possible implementation manner, the method further includes: and when the enabling pulse is not detected for the first continuous preset times, determining that the Beidou RDSS module breaks down. When the short message starts to be sent but the enabling pulse is not detected, the Beidou RDSS module is determined to have a fault.
In one possible implementation manner, the method further includes: when the Beidou RDSS module is determined to have a fault, a reset signal is sent to the Beidou RDSS module, so that the Beidou RDSS module is reset. When multiple times of short message sending are carried out, enabling pulses are detected, namely after the Beidou RDSS module is tested to have faults, the Beidou RDSS module is reset. After automatic reset, the next round of short question sending is continued, namely, the use efficiency is improved, the maintenance is carried out on the basis that the reset can not be solved, and when the reset can solve the problem, the processing time is greatly reduced.
In one possible implementation manner, determining whether the beidou RDSS module fails includes: and when the difference values of the second continuous preset times are all larger than the preset threshold value, determining that the Beidou RDSS module breaks down.
In one possible implementation manner, determining whether the beidou RDSS module fails includes: when the Beidou RDSS module breaks down, the fault is sent, a log is recorded in a CPU, and the Beidou RDSS module is reset.
In a specific embodiment, the hardware device connection provided by the present application is as shown in fig. 2, and the flowchart of the detection of the beidou RDSS module is as shown in fig. 6.
Aiming at the linear relation between the data length A (bit) of the second-generation Beidou short message and the sending time length T, the method comprises the following steps: t ═ T1+T2Where T denotes the transmission duration, T1Indicating the data length, T, of the short message2Indicating the time of the multiplexer opening in advance; wherein T is1(412+ (a x 2+83)) × 0.0625(ms), a represents the short message data length in (bits), 412 is the fixed segment length, a x 2+83 is the data segment length, and since the symbol rate for the RDSS transmission inbound is 16ksps, the time length per symbol is 0.0625. Therefore, it is assumed that T is 10+ (412+ (a × 2+83) × 0.065) ═ 40.9375+ a × 0.125.
In communication transmission, short messages are generally sent in whole bytes, and according to T40.9375 + a 0.125, if a1 is a byte, T40.9375 + a1 is 1, and the time of each byte is increased by 1ms, so that the CPU internal clock reference is set to 0.1ms, which can meet the requirement.
The CPU monitors the enable pulse edge trigger and when a rising edge is detected, the duration of the high level is clocked in the interrupt until the falling edge, i.e. the CPU clocks t between the rising and falling edge of the enable pulse in units of 0.1 ms.
Considering the measurement error, when the difference between the enabling pulse length (T) and the theoretical value (T) is detected for 3 times continuously and is greater than 2ms (1 byte margin and 1ms measurement error) or no enabling pulse is detected for 3 times, the Beidou RDSS module is considered to have a sending fault and records a log. Resetting the beidou RDSS module may be undertaken in an attempt to clear the fault.
The embodiment of the present invention provides an RDSS short message sending closed-loop monitoring apparatus 700, as shown in fig. 7, including an encapsulation module 701, a sending duration determination module 702, a monitoring time interval determination module 703, a multiplexer trigger module 704, a feedback time interval determination module 705, and a fault determination module 706.
An encapsulating module 701, configured to obtain original data to be sent, encapsulate the original data in a CPU, and determine an encapsulated short message;
a sending duration determining module 702, configured to determine a duration to be sent according to the data length of the short message;
the monitoring time interval determining module 703 is used for sending the short message to the monitoring Beidou RDSS module, triggering an enabling pulse in the monitoring Beidou RDSS module, recording a time interval between a rising edge and a falling edge by the CPU, and determining a monitoring time interval;
the multiplexer triggering module 704 is used for monitoring that an enabling pin in the Beidou RDSS module is at a high level when an enabling pulse is at a rising edge, triggering the multiplexer, wherein the current value is greater than a current threshold value, the multiplexer sends a short message, and when the enabling pulse is at a falling edge, the current value is less than the current threshold value, and the multiplexer does not send the short message;
a feedback time interval determining module 705, configured to send a high level signal to the CPU by the multiplexer when the current value is greater than the current threshold, send a low level signal to the CPU by the multiplexer when the current value is less than the current threshold, record a time interval between the high level and the low level by the CPU, and determine a feedback time interval;
and the fault determining module 706 is configured to calculate a difference between the monitoring time interval and the feedback time interval, compare the difference with a preset threshold, determine whether the big dipper RDSS module has a fault, and determine whether the short message is successfully sent.
In a possible implementation manner, the RDSS module failure determination module 706 is further included, and is configured to determine that the beidou RDSS module fails when the enable pulse is not detected for the first continuous preset number of times.
In a possible implementation mode, the Beidou RDSS module further comprises a reset module, and when the Beidou RDSS module is determined to have a fault, the reset module sends a reset signal to the Beidou RDSS module to reset the Beidou RDSS module.
In a possible implementation manner, the failure determining module 706 is further configured to include: and when the difference values of the second continuous preset times are all larger than the preset threshold value, determining that the Beidou RDSS module breaks down.
In a possible implementation manner, the failure determining module 706 is further configured to include: when the Beidou RDSS module breaks down, the fault is sent, a log is recorded in a CPU, and the Beidou RDSS module is reset.
Through the scheme, on the basis of traditional short message sending, through the combination of hardware and software, the CPU can monitor the short message sending link sent by the Beidou RDSS module in real time, the fault detection efficiency is improved, the closed-loop monitoring of short message sending is completed, and the reliability of data transmission is improved.
The apparatuses or modules illustrated in the above embodiments may be implemented by a computer chip or an entity, or by a product with certain functions. For convenience of description, the above devices are described as being divided into various modules by functions, and are described separately. The functionality of the modules may be implemented in the same one or more software and/or hardware implementations of the present application. Of course, a module that implements a certain function may be implemented by a plurality of sub-modules or sub-units in combination.
The embodiment of the invention provides a server for monitoring the closed loop of RDSS short message sending, which comprises a memory 801 and a processor 802 as shown in FIG. 8; the memory 801 is used to store computer executable instructions; the processor 802 is configured to execute computer-executable instructions to implement the method of any of the methods described above.
The storage medium includes, but is not limited to, a Random Access Memory (RAM), a Read-Only Memory (ROM), a Cache, a Hard Disk (Hard Disk Drive), or a Memory Card (HDD). The memory may be used to store computer program instructions.
The embodiment of the invention provides a computer-readable storage medium, wherein executable instructions are stored in the computer-readable storage medium, and the computer can realize the method in the method when executing the executable instructions.
Although the present application provides method steps as described in an embodiment or flowchart, additional or fewer steps may be included based on conventional or non-inventive efforts. The sequence of steps recited in this embodiment is only one of many steps performed and does not represent a unique order of execution. When an actual apparatus or client product executes, it can execute sequentially or in parallel (e.g., in the context of parallel processors or multi-threaded processing) according to the methods shown in this embodiment or the figures.
The methods, apparatus or modules described herein may be implemented in a computer readable program code means for a controller in any suitable manner, for example, the controller may take the form of, for example, a microprocessor or processor and a computer readable medium storing computer readable program code (e.g., software or firmware) executable by the (micro) processor, logic gates, switches, Application Specific Integrated Circuits (ASICs), programmable logic controllers and embedded microcontrollers, examples of which include, but are not limited to, the following microcontrollers: ARC 625D, Atmel AT91SAM, Microchip PIC18F26K20, and Silicone Labs C8051F320, the memory controller may also be implemented as part of the control logic for the memory. Those skilled in the art will also appreciate that, in addition to implementing the controller as pure computer readable program code, the same functionality can be implemented by logically programming method steps such that the controller is in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Such a controller may therefore be considered as a hardware component, and the means included therein for performing the various functions may also be considered as a structure within the hardware component. Or even means for performing the functions may be regarded as being both a software module for performing the method and a structure within a hardware component.
Some of the modules in the apparatus described herein may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, classes, etc. that perform particular tasks or implement particular abstract data types. The application may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
From the above description of the embodiments, it is clear to those skilled in the art that the present application can be implemented by software plus necessary hardware. Based on such understanding, the technical solutions of the present application may be embodied in the form of software products or in the implementation process of data migration, which essentially or partially contributes to the prior art. The computer software product may be stored in a storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, mobile terminal, server, or network device, etc.) to perform the methods described in the various embodiments or portions of the embodiments of the present application.
The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. All or portions of the present application are operational with numerous general purpose or special purpose computing system environments or configurations. For example: personal computers, server computers, hand-held or portable devices, tablet-type devices, mobile communication terminals, multiprocessor systems, microprocessor-based systems, programmable electronic devices, network PCs, minicomputers, mainframe computers, distributed computing environments that include any of the above systems or devices, and the like.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.

Claims (9)

1. A RDSS short message sending closed loop monitoring method is characterized by comprising
Acquiring original data to be transmitted, encapsulating the original data in a CPU, and determining a short message after encapsulation;
determining the time length to be sent according to the data length of the short message;
sending the short message to a Beidou monitoring RDSS module, triggering an enabling pulse in the Beidou monitoring RDSS module, recording a time interval between a rising edge and a falling edge by the CPU, and determining a monitoring time interval;
when the enabling pulse is a rising edge, an enabling pin in the Beidou RDSS module is monitored to be in a high level, a multiplexer is triggered, the current value is larger than a current threshold value, the multiplexer sends the short message, and when the enabling pulse is a falling edge, the current value is smaller than the current threshold value, the multiplexer does not send the short message;
when the current value is larger than the current threshold value, the multiplexer sends a high level signal to the CPU, when the current value is smaller than the current threshold value, the multiplexer sends a low level signal to the CPU, the CPU records a time interval between the high level and the low level, and determines a feedback time interval;
and calculating the difference value between the monitoring time interval, the feedback time interval and the time length to be sent, comparing the difference value with a preset threshold value, determining whether the Beidou RDSS module has a fault, and determining whether the short message is sent successfully.
2. The method of claim 1, further comprising: and when the enabling pulse is not detected for the first continuous preset times, determining that the Beidou RDSS module has a fault.
3. The method of claim 1 or 2, further comprising: and when the Beidou RDSS module is determined to have a fault, a reset signal is sent to the Beidou RDSS module, so that the Beidou RDSS module is reset.
4. The method of claim 1, wherein said determining if said Beidou RDSS module is malfunctioning comprises: and when the difference values of the second continuous preset times are all larger than the preset threshold value, determining that the Beidou RDSS module breaks down.
5. The method of claim 1, further comprising, when an enable pin in the Beidou RDSS module is high, triggering a multiplexer, and the CPU does not receive a high signal sent by the multiplexer, determining that the multiplexer is malfunctioning.
6. The method of claim 1, wherein said determining if said Beidou RDSS module is malfunctioning comprises: when the Beidou RDSS module breaks down, sending the fault, recording a log into the CPU, and resetting the Beidou RDSS module.
7. A RDSS short message sending closed loop monitoring device is characterized by comprising
The packaging module is used for acquiring original data to be sent, packaging the original data in the CPU and determining a short message after packaging and conversion;
a sending duration determining module, configured to determine a duration to be sent according to the data length of the short message;
the monitoring time interval determining module is used for sending the short message to the Beidou monitoring RDSS module, triggering an enabling pulse in the Beidou monitoring RDSS module, recording a time interval between a rising edge and a falling edge by the CPU, and determining a monitoring time interval;
the multiplexer triggering module is used for monitoring that an enabling pin in the Beidou RDSS module is in a high level when the enabling pulse is in a rising edge, triggering a multiplexer, wherein the current value is greater than a current threshold value, the multiplexer sends the short message, and when the enabling pulse is in a falling edge, the current value is less than the current threshold value, and the multiplexer does not send the short message;
a feedback time interval determining module, configured to send a high level signal to the CPU when the current value is greater than the current threshold, send a low level signal to the CPU when the current value is less than the current threshold, record a time interval between the high level and the low level by the CPU, and determine a feedback time interval;
and the fault determining module is used for calculating the difference values between the monitoring time interval, the feedback time interval and the time length to be sent, comparing the difference values with a preset threshold value, determining whether the Beidou RDSS module has a fault or not, and determining whether the short message is sent successfully or not.
8. A RDSS short message sending closed loop monitoring server is characterized by comprising a memory and a processor;
the memory is to store computer-executable instructions;
the processor is configured to execute the computer-executable instructions to implement the method of any of claims 1-6.
9. A computer-readable storage medium having stored thereon executable instructions that, when executed by a computer, are capable of implementing the method of any one of claims 1-6.
CN202111403238.5A 2021-11-24 2021-11-24 RDSS short message sending closed loop monitoring method, device and storage medium Pending CN114114342A (en)

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