CN109375568A - A kind of multi-source data real-time acquisition device - Google Patents

A kind of multi-source data real-time acquisition device Download PDF

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Publication number
CN109375568A
CN109375568A CN201811255678.9A CN201811255678A CN109375568A CN 109375568 A CN109375568 A CN 109375568A CN 201811255678 A CN201811255678 A CN 201811255678A CN 109375568 A CN109375568 A CN 109375568A
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data
controller
processor
ddr
sata
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Inventor
沈月峰
赵明亮
田鹏
马建鹏
王吕大
陕振
姚智慧
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Beijing Institute of Computer Technology and Applications
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Beijing Institute of Computer Technology and Applications
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0421Multiprocessor system
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/10Plc systems
    • G05B2219/15Plc structure of the system
    • G05B2219/15057FPGA field programmable gate array
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/22Pc multi processor system
    • G05B2219/2231Master slave
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/25Pc structure of the system
    • G05B2219/25033Pc structure of the system structure, control, syncronization, data, alarm, connect I-O line to interface
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/25Pc structure of the system
    • G05B2219/25251Real time clock

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

The present invention relates to a kind of multi-source data real-time acquisition devices, are related to data acquisition technology field.A kind of multi-source data real-time acquisition device design method realized based on FPGA proposed by the present invention, scheduling and the document storage management that multi-source data is realized using primary processor operation VxWorks real time operating system, the convenient export of file is realized based on FTP network protocol and USB interface.Meanwhile using the management from processor soft core realization different types of data source, therefore it can neatly increase and delete data source channels, rapid build meets the real-time data acquisition system of different application scene.The present invention have the characteristics that modularization, high real-time, low-power consumption, flexibly it is expansible.

Description

A kind of multi-source data real-time acquisition device
Technical field
The present invention relates to data acquisition technology fields, and in particular to a kind of multi-source data real-time acquisition device.
Background technique
For application scenarios such as video acquisition, radar data record, vehicle bus monitoring, need former to video flowing, radar The process datas such as beginning signal, voice data, bus interaction carry out real-time acquisition and storage, and returning in specific time Develop Data It puts, export and analyzes.Design complexities can be significantly greatly increased by carrying out acquisition device design using traditional X 86 processor platform, meanwhile, There are strict requirements to power consumption, volume and bandwidth in these scenes, therefore data collection system certainly will be required using insertion Formula Platform Designing realize, with meet miniaturization, low-power consumption, high real-time, high bandwidth the features such as.
Summary of the invention
(1) technical problems to be solved
The technical problem to be solved by the present invention is how designing a kind of modularization, high real-time, low-power consumption, can flexibly expanding The multi-source data real-time acquisition device of exhibition.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides a kind of multi-source data real-time acquisition devices, including main process task Device is controlled from processor, solid state memory space, that is, SATA/NVMe solid-state disk, DDR controller, SATA/NVMe controller, DMA Device;
It is multiple to be interconnected one to one with dma controller respectively from processor, multiple dma controllers, primary processor, DDR control Device processed, SATA/NVMe controller pass through AXI bus and connect;
By the way of multiple collaboration processing from processor, parallel acquisition and the group packet processing of multiple data sources are realized;Its In each from the acquisition of the data of one data source of processor complete independently and playback management, data acquisition is by from processor The acquisition of data, group packet, buffering and DMA control are realized in fpga logic part, whenever dma controller successfully writes data into DDR In controller, from processor receive dma controller complete interrupt information after, from processor by timestamp, retrieval information this Twoport BlockRAM is written in a little labels, and notifies primary processor by Mailbox;
Vxworks operating system is run on the primary processor, and completes the management and scheduling of multitask read-write queue, by Primary processor parsing comes the Mailbox message content since processor, operation and data source in the VxWorks system of primary processor Corresponding task will be in data collected and label write-in solid state memory space SATA/NVMe solid-state disk;Replayed section is by leading Processor is initiated, and primary processor, which is read, first needs the data and label information of playback file, be stored in respectively DDR controller and In twoport BlockRAM, and by Mailbox notice accordingly from processor, by parsing Mailbox message content from processor, And data are carried to playback buffer area from DDR controller by the dma controller for starting fpga logic part, until file playback is complete Finish;
The dma controller of all data sources can access DDR controller i.e. DDR caching, share the band of DDR data/address bus It is wide;The DDR controller is caching, and particular sector is written for realizing by the data of DDR controller in SATA/NVMe controller, Or data are read from SATA/NVMe solid-state disk and are carried in DDR controller;DDR controller is operated as VxWorks System running space and data acquisition, playback and derived spatial cache.
It preferably, further include passing through with multiple dma controllers, primary processor, DDR controller, SATA/NVMe controller The network controller of AXI bus connection.
It preferably, further include passing through with multiple dma controllers, primary processor, DDR controller, SATA/NVMe controller The USB controller of AXI bus connection.
The present invention also provides a kind of method being formatted to SATA/NVMe solid-state disk in the device, the party In method, SATA/NVMe solid-state disk is formatted using FAT32 file system, the acquisition from multiple data sources is managed, returns Let alone business and network and USB access request;
The method for realizing the standard FAT32 file system are as follows: SATA/NVMe controller is based in VxWorks system Physical address and register definitions encapsulate sector read/write function, realize the read and write access of solid state memory space, function parameter includes Initial sector, sector number and read-write buffer area, then write VxWorks system Block Device Driver, pass through DevCreate function A block device is registered in systems, and memory capacity is obtained from the corresponding registers of SATA/NVMe controller;Finally, modification BlkRd and BlkWrt function closes the sector read/write function of actual sector read/write function BlkRW and SATA/NVMe controller Connection gets up, and then can be by calling dosfsDiskFormat and dosFsShow function to realize formatting and the shape of memory space State inquiry, and file read-write access control is realized by open, read and write function.
Invention further provides a kind of methods for realizing data acquisition using the device, include the following steps:
1) primary processor receives beginning acquisition, sends acquisition message to from processor by Mailbox;
2) it receives and parses through from processor to acquisition message, data source acquisition switch, fpga logic is opened by register Part starts to receive data and is written into DDR caching by the dma controller in data source, and by dma controller, single Secondary DMA length is configurable by register;
3) single DMA transfer complete when, receive interruptions from processor, in the interrupt handling function completion data compression, After image transformation, feature extraction operation, timestamp, retrieval information are written in twoport BlockRAM, and pass through Mailbox and notify Primary processor DSR;
4) data source persistently receives new data, and is write data into the queue that DDR is cached by dma controller, from Processor successively takes out task from buffer queue, notifies primary processor data preparation by Mailbox and twoport BlockRAM It is good;
5) after primary processor detects the DSR order from Mailbox, open, read and write letter are used Number creation file simultaneously passes through data and the file information in SATA/NVMe controller write-in specified file together;
6) primary processor detects stopping acquisition, stops acquiring from processor by Mailbox notice, team to be cached Stop write-in file after the completion of column processing.
The present invention also provides a kind of methods for realizing data readback using the device, include the following steps:
1) primary processor receives beginning playback command, and starts to read file content and the file information, is respectively put into slow It deposits in queue and twoport BlockRAM, and starts the playback operation of the data source from processor by Mailbox notice;
2) it receives and parses through from processor to playback command, which is opened by register;
3) from the timestamp in processor parsing twoport BlockRAM, retrieval information, data decompression, image transformation are completed Afterwards, the dma controller for starting fpga logic part is played back DDR data cached be carried in caching by dma controller, single Secondary DMA length is configurable by register;
4) primary processor, which receives, stops playback order, or by specified file content, all playback is finished, then is stopped playback, It notifies to stop playback operation from processor by Mailbox.
Method derived from data is realized using the device invention further provides a kind of, is included the following steps:
When being exported using NFS and FTP, install respectively in export computer first and configure NFS and FTP service, then into Row mount operation and logon operation, will be in required file copy extremely export computer into storage system catalogue;
When exporting using USB interface, device can be identified as to USB mobile hard disk in export computer, directly will Required file copy is into export computer.
(3) beneficial effect
A kind of multi-source data real-time acquisition device design method realized based on FPGA proposed by the present invention, using main process task Device runs scheduling and the document storage management that VxWorks real time operating system realizes multi-source data, based on FTP network protocol and The convenient export of USB interface realization file.Meanwhile using the management for realizing different types of data source from processor soft core, therefore It can neatly increase and delete data source channels, rapid build meets the real-time data acquisition system of different application scene.This Invention has the characteristics that modularization, high real-time, low-power consumption, flexible expansible.
Detailed description of the invention
Fig. 1 is that system bus of the invention interconnects schematic diagram;
Fig. 2 is multiprocessor collaboration acquisition functional block diagram of the invention;
Fig. 3 is file system design schematic diagram in the present invention.
Specific embodiment
To keep the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to of the invention Specific embodiment is described in further detail.
As shown in Figure 1, a kind of multi-source data real-time acquisition device provided by the invention is that a kind of may be programmed based on FPGA is patrolled The SoPC system architecture of volume device building, the multi-source data real-time acquisition device include primary processor, deposit from processor, solid-state Store up space, that is, SATA/NVMe solid-state disk, DDR controller, SATA/NVMe controller, dma controller, network controller, USB control Device processed;
It is multiple to be interconnected one to one with dma controller respectively from processor, multiple dma controllers, primary processor, DDR control Device processed, SATA/NVMe controller, network controller, USB controller pass through AXI bus and connect;
Since working-flow is complex, to reduce data processing delay, assisted using multiple from processor (soft core) With the mode of processing, parallel acquisition and the group packet processing of multiple data sources are realized;Specifically, each from processor complete independently one The data of a data source acquire and playback management, and data acquisition is by realizing adopting for data from the fpga logic part of processor Collection, group packet, buffering and DMA control, whenever dma controller successfully writes data into DDR controller (as spatial cache), from It is from processor that timestamp, retrieval these labels of information write-in is double after processor receives the information that dma controller completes interruption Mouth BlockRAM, and primary processor is notified by Mailbox;
Vxworks operating system is run on primary processor, is seized using its priority, time slice scheduling and interrupt mechanism are protected The real-time for demonstrate,proving multi-source data acquisition and storage needs addition network, USB Gadget, file in VxWorks board suppot package The drivings such as system are supported.Real-time vxworks operating system is run by primary processor, and complete multitask read-write queue management and Scheduling.Specifically, by primary processor parsing come since the Mailbox message content of processor, the VxWorks system of primary processor It is middle to run task corresponding with data source for data collected and label write-in solid state memory space SATA/NVMe solid-state disk In;
Replayed section is initiated by primary processor, and primary processor reads the data and label information for needing playback file first, It is stored in DDR controller and twoport BlockRAM respectively, and by Mailbox notice accordingly from processor, by from processing Device parses Mailbox message content, and data are carried to back by the dma controller for starting fpga logic part from DDR controller Buffer area is put, until file playback finishes.
The characteristics of being interconnected entirely based on AXI bus, it is slow that the dma controller of all data sources can access DDR controller i.e. DDR It deposits (as memory space), shares the bandwidth of DDR data/address bus;DDR controller is caching, and SATA/NVMe controller is for real Particular sector now is written into the data of DDR controller, or data are read from SATA/NVMe solid-state disk and are carried to DDR control In device processed;DDR controller is empty as vxworks operating system running space and data acquisition, playback and derived caching Between.
Wherein, the 0th acquisition and group packet to N circuit-switched data source is each responsible for from processor 0 to N to handle;By main process task reality The scheduling of task queues and distribution and the retrieval managements of SATA/NVMe solid-state disk such as now acquisition, playback and export;Primary processor And from the interaction for carrying out order, state and data between processor by Mailbox, BlockRAM, interruption and DDR.
Traditional data acquisition device mostly uses user-defined file system, carries out export operation by upper computer software, both The development difficulty of host computer is increased, while being not easy to user's use again.As shown in figure 3, the present invention uses standard FAT32 file System is formatted SATA/NVMe solid-state disk, manage acquisition from multiple data sources, playback task and network and USB access request.Wherein, network interface supports the Network File System such as NFS, FTP, and USB interface is supported USB Gadget, is convenient for User's direct export directly by way of FTP or mobile hard disk in host computer.
Since SATA/NVMe controller is realized using customized IP core, general driving can not be supported, therefore for described in realization Standard FAT32 file system needs self-developing Block Device Driver, a block device is registered first in VxWorks system, so Read and write access operation in sector in data flow in I/O Request queue and SATA/NVMe controller is associated afterwards.Wherein SATA/ NVMe controller is realized by fpga logic part, and the parallel control of multiple solid-state disks is realized based on RAID0, to realize reading The multiplication of write performance.To realize FAT32 standard file system, implements are controlled based on SATA/NVMe first in VxWorks system It manages address and register definitions encapsulates sector read/write function, realize the read and write access of solid state memory space, function parameter includes Beginning sector, sector number and read-write buffer area etc..Then VxWorks system Block Device Driver is write, DevCreate function is passed through A block device is registered in systems, and memory capacity is obtained from the corresponding registers of SATA/NVMe controller;Finally, modification The functions such as BlkRd and BlkWrt, by the sector read/write function of actual sector read/write function BlkRW and SATA/NVMe controller It associates, and then can be by calling the canonical functions such as dosfsDiskFormat and dosFsShow to realize the lattice of memory space Formula and status inquiry, and file read-write access control is realized by open, read and write function.
With reference to Fig. 2, realize that the process of data acquisition includes the following steps: using above-mentioned apparatus
1) primary processor receives beginning acquisition, sends acquisition message to from processor by Mailbox;
2) it receives and parses through from processor to acquisition message, data source acquisition switch is opened by register, FPGA is patrolled It collects part to start to receive data and be written into DDRDDR caching by data source dma controller, single DMA length passes through deposit Device is configurable, such as 1MB;
3) single DMA transfer complete when, receive interruptions from processor, in the interrupt handling function completion data compression, After the specific operations such as image transformation, feature extraction, the file informations such as timestamp, retrieval information are written in twoport BlockRAM, And primary processor DSR is notified by Mailbox;
4) data source persistently receives new data, and the ring of DDR controller is write data by data source dma controller In shape buffer queue, from processor successively from taking out task in buffer queue and after completing specific operation, by Mailbox and double Mouth BlockRAM notifies primary processor DSR;
5) after primary processor detects the DSR order from Mailbox, open, read and write letter are used Number creation file simultaneously passes through data and the file information in SATA/NVMe controller write-in specific file together;
6) primary processor detects stopping acquisition, stops acquiring from processor by Mailbox notice, slow to DDR File is written in stopping after the completion of depositing queue processing;
Network controller and USB controller are only used for data export operation, in data acquisition flow and are not used.
Realize that the process of data readback includes the following steps: using above-mentioned apparatus
1) primary processor receives beginning playback command, and starts to read file content and the file information, is respectively put into DDR In buffer queue and twoport BlockRAM, and notify by Mailbox the playback operation for starting from processor the data source;
2) it receives and parses through from processor to playback command, which is opened by register;
3) the file informations such as timestamp, the retrieval information in twoport BlockRAM are parsed from processor, complete data decompression Contracting, image transformation etc. start the data source dma controller of fpga logic part after specific operations, by dma controller by DDR It caches data cached be carried to play back in caching, single DMA length is configurable by register, such as 1MB;
4) primary processor, which receives, stops playback order, or by specified file content, all playback is finished, then is stopped playback, It notifies to stop playback operation from processor by Mailbox;
Network controller and USB controller are only used for data export operation, in data readback process and are not used.
Realize that process derived from data includes the following steps: using above-mentioned apparatus
Since the present apparatus uses standard file system, easily file can be led by way of FTP, NFS and USB flash disk Out, mainly pass through network controller and USB controller and corresponding driving and application program cooperation when therefore data export operates It realizes;
When being exported using NFS and FTP, installs respectively in export special purpose computer first and configure NFS and FTP service, so Mount operation and logon operation are carried out afterwards, it will be in required file copy extremely export special purpose computer into storage system catalogue;
When exporting using USB interface, device can be identified as to USB mobile hard disk in export special purpose computer, directly It connects required file copy into export special purpose computer.
As can be seen that a kind of multi-source data real-time acquisition device design method realized based on FPGA proposed by the present invention, Scheduling and the document storage management that multi-source data is realized using primary processor operation VxWorks real time operating system, are based on FTP net Network agreement and USB interface realize the convenient export of file.Meanwhile using the pipe for realizing different types of data source from processor soft core Reason, therefore can neatly increase and delete data source channels, rapid build meets the real-time data acquisition of different application scene System.The present invention have the characteristics that modularization, high real-time, low-power consumption, flexibly it is expansible.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations Also it should be regarded as protection scope of the present invention.

Claims (7)

1. a kind of multi-source data real-time acquisition device, which is characterized in that including primary processor, from processor, solid state memory space That is SATA/NVMe solid-state disk, DDR controller, SATA/NVMe controller, dma controller;
It is multiple from processor respectively one to one with dma controller interconnect, multiple dma controllers, primary processor, DDR controller, SATA/NVMe controller passes through AXI bus and connects;
By the way of multiple collaboration processing from processor, parallel acquisition and the group packet processing of multiple data sources are realized;It is wherein every It is a from the data of one data source of processor complete independently acquisition and playback management, data acquisition is by the FPGA from processor Logical gate realizes the acquisition of data, group packet, buffering and DMA control, whenever dma controller successfully writes data into DDR control In device, from processor receive dma controller complete interrupt information after, from processor by timestamp, retrieval information these mark Label write-in twoport BlockRAM, and primary processor is notified by Mailbox;
Vxworks operating system is run on the primary processor, and completes the management and scheduling of multitask read-write queue, by main It manages device and parses the Mailbox message content come since processor, operation is corresponding with data source in the VxWorks system of primary processor Task will data collected and label write-in solid state memory space SATA/NVMe solid-state disk in;Replayed section is by main process task Device is initiated, and primary processor reads the data and label information for needing playback file first, is stored in DDR controller and twoport respectively In BlockRAM, and by parsing Mailbox message content from processor, and opened by Mailbox notice accordingly from processor Data are carried to playback buffer area from DDR controller by the dma controller of dynamic fpga logic part, until file playback finishes;
The dma controller of all data sources can access DDR controller i.e. DDR caching, share the bandwidth of DDR data/address bus;Institute DDR controller is stated as caching, particular sector is written for realizing by the data of DDR controller in SATA/NVMe controller, or will count According to reading and be carried in DDR controller from SATA/NVMe solid-state disk;DDR controller is run as vxworks operating system Space and data acquisition, playback and derived spatial cache.
2. further including passing through AXI bus with multiple dma controllers, primary processor, DDR controller, SATA/NVMe controller to connect The network controller connect.
3. further including passing through AXI bus with multiple dma controllers, primary processor, DDR controller, SATA/NVMe controller to connect The USB controller connect.
4. the method that SATA/NVMe solid-state disk is formatted in device described in a kind of pair of claims 1 or 2 or 3, feature It is, in this method, SATA/NVMe solid-state disk is formatted using FAT32 file system, management comes from multiple data sources Acquisition, playback task and network and USB access request;
The method for realizing the standard FAT32 file system are as follows: SATA/NVMe controller physics is based in VxWorks system Address and register definitions encapsulate sector read/write function, realize the read and write access of solid state memory space, and function parameter includes starting Sector, sector number and read-write buffer area, then write VxWorks system Block Device Driver, are being by DevCreate function A block device is registered in system, memory capacity is obtained from the corresponding registers of SATA/NVMe controller;Finally, modification BlkRd With BlkWrt function, actual sector read/write function BlkRW has been associated with the sector read/write function of SATA/NVMe controller Come, and then can be by calling dosfsDiskFormat and dosFsShow function to realize that the formatting of memory space and state are looked into It askes, and file read-write access control is realized by open, read and write function.
5. a kind of method for realizing data acquisition using device described in claims 1 or 22 or 3, which is characterized in that including as follows Step:
1) primary processor receives beginning acquisition, sends acquisition message to from processor by Mailbox;
2) it receives and parses through from processor to acquisition message, data source acquisition switch, fpga logic part is opened by register Start to receive data and is written into DDR caching, single by the dma controller in data source, and by dma controller DMA length is configurable by register;
3) when single DMA transfer is completed, interruption is received from processor, completes data compression, image in the interrupt handling function After transformation, feature extraction operation, timestamp, retrieval information are written in twoport BlockRAM, and notify main place by Mailbox Manage device DSR;
4) data source persistently receives new data, and is write data into the queue that DDR is cached by dma controller, from processing Device successively takes out task from buffer queue, notifies primary processor DSR by Mailbox and twoport BlockRAM;
5) it after primary processor detects the DSR order from Mailbox, is created using open, read and write function It builds file and passes through data and the file information in SATA/NVMe controller write-in specified file together;
6) primary processor detects stopping acquisition, stops acquiring from processor by Mailbox notice, at buffer queue Stop write-in file after the completion of reason.
6. a kind of method for realizing data readback using device described in claims 1 or 22 or 3, which is characterized in that including as follows Step:
1) primary processor receives beginning playback command, and starts to read file content and the file information, is respectively put into caching team In column and twoport BlockRAM, and start from processor by Mailbox notice the playback operation of the data source;
2) it receives and parses through from processor to playback command, which is opened by register;
3) from the timestamp in processor parsing twoport BlockRAM, retrieval information, after completing data decompression, image transformation, The dma controller for starting fpga logic part is played back DDR data cached be carried in caching by dma controller, single DMA length is configurable by register;
4) primary processor, which receives, stops playback order, or by specified file content, all playback is finished, then stops playback, pass through Mailbox notice stops playback operation from processor.
7. a kind of realize method derived from data using device described in claims 1 or 22 or 3, which is characterized in that including as follows Step:
When being exported using NFS and FTP, installs respectively in export computer first and configure NFS and FTP service, then carry out Mount operation and logon operation, will be in required file copy extremely export computer into storage system catalogue;
When exporting using USB interface, device can be identified as to USB mobile hard disk in export computer, it directly will be required File copy is into export computer.
CN201811255678.9A 2018-10-26 2018-10-26 A kind of multi-source data real-time acquisition device Pending CN109375568A (en)

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CN110069442A (en) * 2019-04-24 2019-07-30 北京计算机技术及应用研究所 A kind of ultra-high-speed data acquisition device and method based on ZYNQ Series FPGA
CN110135776A (en) * 2019-04-01 2019-08-16 浙江职信通信科技有限公司 A kind of shipping information management method, system and computer storage medium
CN112699062A (en) * 2020-12-28 2021-04-23 湖南博匠信息科技有限公司 High speed data storage system
CN113156855A (en) * 2021-04-07 2021-07-23 杭州永谐科技有限公司成都分公司 Miniature data acquisition and processing system
CN113312394A (en) * 2021-06-15 2021-08-27 中国科学技术大学 Method and device for constructing data acquisition system
CN114978216A (en) * 2022-05-19 2022-08-30 泉州市拓科信息技术有限公司 Multisource data processing system based on Internet of things

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