CN110677820A - Method and system for synchronous triggering of data acquisition equipment, terminal equipment and storage medium - Google Patents
Method and system for synchronous triggering of data acquisition equipment, terminal equipment and storage medium Download PDFInfo
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- CN110677820A CN110677820A CN201910905865.5A CN201910905865A CN110677820A CN 110677820 A CN110677820 A CN 110677820A CN 201910905865 A CN201910905865 A CN 201910905865A CN 110677820 A CN110677820 A CN 110677820A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
Abstract
The invention provides a method, a system, a terminal device and a computer readable storage medium for realizing synchronous triggering of data acquisition devices by using WIFI broadcast or multipoint broadcast messages, wherein the method comprises the following steps: s1, the wireless access point receives WIFI broadcast or multipoint broadcast, and sends the WIFI broadcast or multipoint broadcast containing message signals; s2, receiving the message signals by a plurality of data acquisition devices simultaneously; s3, the plurality of data acquisition devices simultaneously process the message signals and judge whether the processed data can trigger data acquisition; if yes, data acquisition is carried out; if not, the process returns to step S2. The invention realizes the synchronous arrival of the trigger signals to the data acquisition equipment under the condition of ensuring that all the connecting equipment are accessed into one wireless access point and can simultaneously obtain the BMIP, thereby saving a bus extension cable and improving the flexibility of equipment deployment.
Description
Technical Field
The invention belongs to the technical field of data acquisition, and particularly relates to a method, a system, terminal equipment and a computer readable storage medium for realizing synchronous triggering of data acquisition equipment by using WIFI broadcast or multipoint broadcast messages.
Background
The data acquisition equipment is generally connected with a plurality of data acquisition board cards by using PXI and LXI buses. Data acquisition devices typically support a variety of triggering mechanisms, including: software triggers, bus signal triggers, etc. The trigger signal is used for starting the sample collection work of the data collection module. The synchronous triggering scheme used at present is a mode of applying bus extension, and adopts a cable to directly connect different devices to transmit synchronous triggering signals. When the digital mining equipment is deployed in a distributed mode, the synchronous triggering function can be completed only by a wired mode of bus extension; this causes inconvenience to the data collection work.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method, a system, a terminal device, and a computer-readable storage medium for implementing synchronous triggering of data acquisition devices by using WIFI broadcast or multicast packets, so as to solve the problem that in the prior art, the data acquisition devices are deployed in a distributed manner and can only complete a synchronous triggering function in a wired manner by bus extension; bringing inconvenience to the data acquisition work.
A first aspect of an embodiment of the present invention provides a method for implementing synchronous triggering of data acquisition devices by using a WIFI broadcast or a multicast broadcast packet, including the steps of: s1, the wireless access point receives WIFI broadcast or multipoint broadcast, and sends the WIFI broadcast or multipoint broadcast containing message signals; s2, receiving the message signals by a plurality of data acquisition devices simultaneously; s3, the plurality of data acquisition devices simultaneously process the message signals and judge whether the processed data can trigger data acquisition; if yes, go to step S4; if not, returning to the step S2; and S4, data acquisition is carried out.
Further, the step S1 includes the steps of: s11, setting an IP destination address of the WIFI broadcast or the multicast broadcast; s12, packing the trigger information and the IP destination address into the message information containing UDP packets; s13, sending the message information containing the UDP data packet through the wireless access point.
Further, the step S2 includes the steps of: configuring a WIFI network card, and simultaneously connecting a plurality of data acquisition devices with the wireless access point; and the data acquisition equipment synchronously receives the message signals based on the same IP address.
Further, the step S3 includes the steps of: s31, analyzing the destination address of the message information, and judging whether the message information is the WIFI broadcast or the multipoint broadcast; if yes, go to step S32; if not, ignoring the message information; s32, decoding the data packet in the message information, and sending the trigger information contained in the decoded data information; s33, receiving the trigger information, and according to whether the use state of the internal trigger source is matched with the trigger information or not; if yes, go to step S4; if not, continuing to receive the trigger signal.
A second aspect of the embodiments of the present invention provides a system for implementing synchronous triggering of data acquisition devices by using WIFI broadcast or multicast broadcast messages, including: the wireless access point is used for receiving WIFI broadcast or multipoint broadcast and sending a message signal contained in the WIFI broadcast or the multipoint broadcast; the data acquisition equipment is used for receiving the message signals simultaneously; and the data acquisition module is also used for simultaneously carrying out data processing on the message signals and carrying out data acquisition when whether the processed data can trigger data acquisition.
Further, the wireless access point includes: the address setting module is used for setting an IP destination address of the WIFI broadcast or the multipoint broadcast; the data acquisition control module is used for packaging the trigger information and the IP destination address into the message information containing a UDP data packet; and the communication module is used for sending the message information containing the UDP data packet through the wireless access point.
Furthermore, the plurality of data acquisition devices are also used for configuring a WIFI network card and connecting the wireless access points simultaneously; and synchronously receiving the message signal based on the same IP address.
Further, the data acquisition device comprises: the radio frequency module is used for receiving the message information; the data packet decoder is used for analyzing the destination address of the message information, decoding the data packet in the message information when the message information is the WIFI broadcast or the multipoint broadcast, and sending trigger information contained in the decoded data information; when the message information is not the WIFI broadcast or the multipoint broadcast, ignoring the message information; and the trigger state machine is used for receiving the trigger information and starting data acquisition work when the use state of the internal trigger source is matched with the trigger information.
A third aspect of the embodiments of the present invention provides a terminal device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of the method when executing the computer program.
A fourth aspect of the embodiments of the present invention provides a computer-readable storage medium, which stores a computer program, wherein the computer program, when executed by a processor, implements the steps of the method as described above.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
under the condition that all the connecting devices are ensured to be accessed into one wireless access point and can obtain BMIP simultaneously, the trigger signals synchronously reach the data acquisition device, and a bus extension cable is omitted, so that the flexibility of device deployment is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic flow block diagram of a method for implementing synchronous triggering of data acquisition devices by using WIFI broadcast or multicast broadcast messages in the present invention.
Fig. 2 is a schematic diagram of a system for implementing synchronous triggering of data acquisition devices by using WIFI broadcast or multicast broadcast messages in the present invention.
Fig. 3 is a block diagram of a terminal device provided in the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
In the embodiment of the invention, the target component of the target page to be generated is determined based on the template component by acquiring the software development requirement and according to the software development requirement on the preset page frame template. The target component comprises at least one of an adjusting component obtained by modification based on the template component, a new component created based on the template component and a component to be replaced determined based on the template component, and the reserved template component and the generated target component are assembled in the page basic frame template to form a target page based on the component name and the position information of the target component. Because software is developed based on the preset page basic frame template, a large amount of manpower is not required to be invested to develop the page from the beginning, and the expected result can be completed only by replacing, modifying or newly adding components, so that the development efficiency is greatly improved, and the development cost is greatly reduced. Meanwhile, the problem of browser compatibility does not need to be considered based on the preset page basic frame template, and the development difficulty is reduced. In addition, the page is modularized and configured, the target page is formed by building blocks of the modules, and the modification of the page is realized by modifying the configuration file of the template module, so that the method is extremely flexible.
In the embodiment of the present invention, the main execution body of the process is a terminal device, and the terminal device includes, but is not limited to, a notebook computer, a server, a tablet computer, a smart phone, and other terminal devices having a software development function. In particular, the terminal device can be used for providing a load-bearing function or a front-end interface display of the desktop application for the native application when executing the process in the implementation of the present invention, and providing an interface assembly framework for the desktop application.
Fig. 1 is a schematic flow block diagram of a method for implementing synchronous triggering of data acquisition devices by using WIFI broadcast or multicast broadcast messages in the present invention. As shown in fig. 1, the present invention discloses a method for implementing synchronous triggering of data acquisition devices by using WIFI broadcast or multicast broadcast messages, which comprises the following steps:
s1, the wireless access point receives WIFI broadcast or multipoint broadcast, and sends the WIFI broadcast or multipoint broadcast containing message signals; in an embodiment of the present invention, the step S1 specifically includes the steps of: s11, setting an IP destination address of the WIFI broadcast or the multicast broadcast; s12, packing the trigger information and the IP destination address into the message information containing UDP packets; s13, sending the message information containing the UDP data packet through the wireless access point.
S2, receiving the message signals by a plurality of data acquisition devices simultaneously; in an embodiment of the present invention, the step S2 specifically includes the steps of: configuring a WIFI network card, and simultaneously connecting a plurality of data acquisition devices with the wireless access point; and the data acquisition equipment synchronously receives the message signals based on the same IP address.
S3, the plurality of data acquisition devices simultaneously process the message signals and judge whether the processed data can trigger data acquisition; if yes, go to step S4; if not, returning to the step S2;
and S4, data acquisition is carried out.
In an embodiment of the present invention, the step S3 specifically includes the steps of: s31, analyzing the destination address of the message information, and judging whether the message information is the WIFI broadcast or the multipoint broadcast; if yes, go to step S32; if not, ignoring the message information; s32, decoding the data packet in the message information, and sending the trigger information contained in the decoded data information; s33, receiving the trigger information, and according to whether the use state of the internal trigger source is matched with the trigger information or not; if yes, go to step S4; if not, continuing to receive the trigger signal.
In the WIFI network, an 802.11 protocol is used to support broadcast and multicast IP packets (hereinafter referred to as BMIP). The WIFI access point (namely, a wireless access point or an AP) compatible with the 802.11 protocol broadcasts the received BMIP to the air, ensures that a plurality of devices connected to the same can receive message signals at the same time, and further triggers the devices. Therefore, the characteristic that the 802.11 wireless network supports the BMIP is utilized, and under the condition that all the connecting devices are ensured to be accessed to one AP and the BMIP can be obtained simultaneously, the trigger signals synchronously reach a plurality of data acquisition devices. And furthermore, the flexibility of equipment deployment is improved due to the fact that a bus extension cable is omitted.
Generally, the BMIP message information of the present invention includes a special IP destination address. The address of the WIFI broadcast is 255.255.255.255, and the address of the IPv4 of the multicast broadcast is 224.0.0.0 to 239.255.255.255.
In the present invention, the packet decoder needs to ensure real-time performance to improve the synchronization accuracy of the trigger. The decoding of the message information, i.e. the data packet, can be completed by an FPGA or a special IC, and can also be completed by a processor and software equipped with a real-time operating system.
Fig. 2 is a schematic diagram of a system for implementing synchronous triggering of data acquisition devices by using WIFI broadcast or multicast broadcast messages in the present invention. As shown in fig. 2, the present invention further provides a system for implementing synchronous triggering of data acquisition devices by using WIFI broadcast or multicast broadcast messages, including:
the wireless access point is used for receiving WIFI broadcast or multipoint broadcast and sending a message signal contained in the WIFI broadcast or the multipoint broadcast;
the data acquisition equipment is used for receiving the message signals simultaneously; and the data acquisition module is also used for simultaneously carrying out data processing on the message signals and carrying out data acquisition when whether the processed data can trigger data acquisition.
In an embodiment of the present invention, the wireless access point includes: the address setting module is used for setting an IP destination address of the WIFI broadcast or the multipoint broadcast; the data acquisition control module is used for packaging the trigger information and the IP destination address into the message information containing a UDP data packet; and the communication module is used for sending the message information containing the UDP data packet through the wireless access point.
Furthermore, the plurality of data acquisition devices are also used for configuring a WIFI network card and connecting the wireless access points simultaneously; and synchronously receiving the message signal based on the same IP address. Preferably, the data acquisition apparatus comprises: the radio frequency module is used for receiving the message information; the data packet decoder is used for analyzing the destination address of the message information, decoding the data packet in the message information when the message information is the WIFI broadcast or the multipoint broadcast, and sending trigger information contained in the decoded data information; when the message information is not the WIFI broadcast or the multipoint broadcast, ignoring the message information; and the trigger state machine is used for receiving the trigger information and starting data acquisition work when the use state of the internal trigger source is matched with the trigger information.
In the WIFI network, an 802.11 protocol is used to support broadcast and multicast IP packets (hereinafter referred to as BMIP). The WIFI access point (namely, a wireless access point or an AP) compatible with the 802.11 protocol broadcasts the received BMIP to the air, ensures that a plurality of devices connected to the same can receive message signals at the same time, and further triggers the devices. Therefore, the characteristic that the 802.11 wireless network supports the BMIP is utilized, and under the condition that all the connecting devices are ensured to be accessed to one AP and the BMIP can be obtained simultaneously, the trigger signals synchronously reach a plurality of data acquisition devices. And furthermore, the flexibility of equipment deployment is improved due to the fact that a bus extension cable is omitted.
Generally, the BMIP message information of the present invention includes a special IP destination address. The address of the WIFI broadcast is 255.255.255.255, and the address of the IPv4 of the multicast broadcast is 224.0.0.0 to 239.255.255.255.
In the present invention, the packet decoder needs to ensure real-time performance to improve the synchronization accuracy of the trigger. The decoding of the message information, i.e. the data packet, can be completed by an FPGA or a special IC, and can also be completed by a processor and software equipped with a real-time operating system.
Fig. 3 is a block diagram of a terminal device provided in the present invention. As shown in fig. 3, the terminal device in this embodiment includes: a processor, a memory, and a computer program, such as a software development program, stored in the memory and executable on the processor. When the processor executes the computer program, the steps in each embodiment of the method for implementing synchronous triggering of the data acquisition device by using the WIFI broadcast or multicast message, for example, steps S1 to S3 shown in fig. 1, are implemented. Alternatively, the processor, when executing the computer program, implements the functions of each module/unit in the above-mentioned device embodiments, for example, the functions of the modules shown in fig. 2.
Illustratively, the computer program may be partitioned into one or more modules/units that are stored in the memory and executed by the processor to implement the invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program in the terminal device. For example, the computer program may be divided into an acquisition module, an execution module, and a generation module (module in a virtual device), and the specific functions of each module are as follows:
the terminal device can be a desktop computer, a notebook, a palm computer, a cloud server and other computing devices. The terminal device may include, but is not limited to, a processor, a memory. Those skilled in the art will appreciate that the present embodiment is only an example of a terminal device, and does not constitute a limitation of the terminal device, and may include more or less components, or combine some components, or different components, for example, the terminal device may further include an input/output device, a network access device, a bus, and the like.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory may be an internal storage unit of the terminal device, such as a hard disk or a memory of the terminal device. The memory may also be an external storage device of the terminal device, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the terminal device. Further, the memory may also include both an internal storage unit and an external storage device of the terminal device. The memory is used for storing the computer program and other programs and data required by the terminal device. The memory may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. . Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention 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 technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. A synchronous triggering method for data acquisition equipment is characterized by comprising the following steps:
s1, the wireless access point receives WIFI broadcast or multipoint broadcast, and sends the WIFI broadcast or multipoint broadcast containing message signals;
s2, receiving the message signals by a plurality of data acquisition devices simultaneously;
s3, the plurality of data acquisition devices simultaneously process the message signals and judge whether the processed data can trigger data acquisition; if yes, go to step S4; if not, returning to the step S2;
and S4, data acquisition is carried out.
2. The method for synchronous triggering of data acquisition equipment according to claim 1, wherein the step S1 specifically comprises the steps of:
s11, setting an IP destination address of the WIFI broadcast or the multicast broadcast;
s12, packing the trigger information and the IP destination address into the message information containing UDP packets;
s13, sending the message information containing the UDP data packet through the wireless access point.
3. The method for synchronous triggering of data acquisition equipment according to claim 1, wherein the step S2 specifically comprises the steps of:
configuring a WIFI network card, and simultaneously connecting a plurality of data acquisition devices with the wireless access point; and the data acquisition equipment synchronously receives the message signals based on the same IP address.
4. The method for synchronous triggering of data acquisition equipment according to claim 1, wherein the step S3 specifically comprises the steps of:
s31, analyzing the destination address of the message information, and judging whether the message information is the WIFI broadcast or the multipoint broadcast; if yes, go to step S32; if not, ignoring the message information;
s32, decoding the data packet in the message information, and sending the trigger information contained in the decoded data information;
s33, receiving the trigger information, and according to whether the use state of the internal trigger source is matched with the trigger information or not; if yes, go to step S4; if not, continuing to receive the trigger signal.
5. A system for synchronized triggering of data acquisition devices, comprising:
the wireless access point is used for receiving WIFI broadcast or multipoint broadcast and sending a message signal contained in the WIFI broadcast or the multipoint broadcast;
the data acquisition equipment is used for receiving the message signals simultaneously; and the data acquisition module is also used for simultaneously carrying out data processing on the message signals and carrying out data acquisition when whether the processed data can trigger data acquisition.
6. The system for synchronous triggering of data acquisition devices according to claim 1, wherein the wireless access point comprises:
the address setting module is used for setting an IP destination address of the WIFI broadcast or the multipoint broadcast;
the data acquisition control module is used for packaging the trigger information and the IP destination address into the message information containing a UDP data packet;
and the communication module is used for sending the message information containing the UDP data packet through the wireless access point.
7. The system for synchronous triggering of data acquisition devices according to claim 1, wherein the plurality of data acquisition devices are further configured to configure a WIFI network card and simultaneously connect to the wireless access point; and synchronously receiving the message signal based on the same IP address.
8. The system for synchronous triggering of data acquisition devices according to claim 1, wherein the data acquisition device comprises:
the radio frequency module is used for receiving the message information;
the data packet decoder is used for analyzing the destination address of the message information, decoding the data packet in the message information when the message information is the WIFI broadcast or the multipoint broadcast, and sending trigger information contained in the decoded data information; when the message information is not the WIFI broadcast or the multipoint broadcast, ignoring the message information;
and the trigger state machine is used for receiving the trigger information and starting data acquisition work when the use state of the internal trigger source is matched with the trigger information.
9. A terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of the method according to any of claims 1 to 4 when executing the computer program.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 4.
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| US20070291661A1 (en) * | 2006-06-16 | 2007-12-20 | Kabushiki Kaisha Toshiba | Communication apparatus, communication terminal device, communication system, communication method and communication program |
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Application publication date: 20200110 |