CN107146300A - A kind of multichannel flight data recording and discharge mechanism and its method - Google Patents
A kind of multichannel flight data recording and discharge mechanism and its method Download PDFInfo
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- CN107146300A CN107146300A CN201710308396.XA CN201710308396A CN107146300A CN 107146300 A CN107146300 A CN 107146300A CN 201710308396 A CN201710308396 A CN 201710308396A CN 107146300 A CN107146300 A CN 107146300A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
- G06F12/023—Free address space management
- G06F12/0238—Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory
- G06F12/0246—Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory in block erasable memory, e.g. flash memory
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
The invention belongs to field of data storage, and in particular to a kind of multichannel flight data recording and discharge mechanism and its method.The device includes：Data recording control, DDR memory, SATA channel controllers, condition identifier, flash controller and flash chip.Multichannel flight data recording and discharge mechanism proposed by the present invention, building block small volume are low in energy consumption, meet the small form factor requirements of log system.The recording method of the present invention is simple, it would be preferable to support the record of multiple interfaces flying quality and management, and can be extended according to the actual requirements, and flexibility is high.The discharging method of the present invention uses SATA interface, and the interface strong applicability, transmission speed is fast, using the teaching of the invention it is possible to provide quick unloading operation.Two states are recorded and unloaded in the present invention to be automatically switched according to interface annexation, it is not necessary to manual intervention, it is easy to use, and reduces risk of error.The present invention is managed using flash controller to flash chip, reduces use requirement of the user to flash chip.
Description
Technical field
The invention belongs to field of data storage, and in particular to a kind of multichannel flight data recording and discharge mechanism and its side
Method.
Background technology
During aerial mission, the various flying qualities in aircraft need to preserve, and terminate when aerial mission
Afterwards it should be understood that during flight progress, information and data can be transferred to ground installation by unloading equipment and be played back.
But, due to there are different data acquisition equipments in airborne application environment, its interface is needed there is also difference
Want data recording equipment that there are multiple interfaces, support the access of distinct device, and with certain flexibility, while meeting small
Typeization requirement.
And when being unloaded to data, it is desirable to the reading speed of data recording equipment is fast, can be in a short time by data
It is transferred on miscellaneous equipment and preserves, data recording equipment can be used for flight again, while ensureing the accurate nothing of data of unloading
By mistake.Thus, higher requirement is proposed to flight data recording and discharge mechanism.
The content of the invention
(1) technical problem to be solved
The purpose of the present invention is to propose to a kind of multichannel flight data recording and discharge mechanism and its method, with solve how
The problem of at a high speed and stably flying quality being recorded and unloaded.
(2) technical scheme
In order to solve the above technical problems, the present invention proposes a kind of multichannel flight data recording and discharge mechanism, the device
Including：Data recording control, DDR memory, SATA channel controllers, condition identifier, flash controller and flash chip；
Wherein,
Data recording control have first data transmission interface, the second data transmission interface, DDR memory interface and
SATA interface；Wherein, data recording control passes through first data transmission interface and the second data transmission interface and onboard flight
Data acquisition equipment is connected, and airborne flying quality collecting device is received respectively from first data transmission interface and the second data transfer
The flying quality that interface is sent；Data recording control is connected by DDR memory interface with DDR memory, for that will receive
To flying quality be cached in DDR memory, and data management is carried out to the flying quality that is buffered in DDR memory；Number
It is connected according to recording controller by SATA interface with SATA channel controllers, for the flying quality Jing Guo data management to be passed through
SATA channel controllers and flash controller are sent to flash chip；
DDR memory, for being cached to the flying quality that data recording control is received；
SATA channel controllers, with 2 external SATA interfaces and 1 internal SATA interface；Wherein, by 2 externally
SATA interface is connected with data recording control and data unloading equipment respectively, is connected by internal SATA interface and flash controller
Connect；SATA channel controllers are connected with condition identifier, according to the control signal of condition identifier, wherein 1 external SATA
Connection is set up between interface and internal SATA interface, flying quality transmission channel is formed；
Condition identifier, is connected with SATA channel controllers, when judging that data recording control is in recording status,
Connection is set up between internal SATA interface and the external SATA interface being connected with data recording control, is formed for record-setting flight
The data transmission channel of data, flash chip is write by flying quality by flash controller；When judging data recording control
During in unloaded state, connection is set up between internal SATA interface and the external SATA interface being connected with load shedding equipment,
The data transmission channel for unloading flying quality is formed, the flying quality in flash chip is passed through into flash controller and SATA
Channel controller reads into load shedding equipment；
Flash controller, with SATA interface and flash chip interface；Wherein, controlled by SATA interface and SATA passages
Device is connected, and is connected by flash chip interface with flash chip；Flash controller is used to be sent by data recording control
Flying quality is write and read in flash chip, and carries out space management to flash chip；
Flash chip, for being stored to the flying quality sent by data recording control.
Further, first data transmission interface is EMIF interfaces.
Further, the second data transmission interface is RS422 interfaces.
Further, data recording control is fpga chip.
Further, data recording control is connected by aviation socket with onboard flight data acquisition equipment.
Further, SATA channel controllers are connected by SATA connector with load shedding equipment.
Further, condition identifier is level detection module；Level detection module is connected with SATA connector, for examining
Survey the connection status of SATA connector；Wherein, when level detection module, which detects SATA connector, is in high impedance mode, judge
It is now recording status, control SATA channel controllers form the data transmission channel for record flight data；When level inspection
When survey module detects SATA connector in connection mode, judge now as unloaded state, control SATA channel controller shapes
Into the data transmission channel for unloading flying quality.
In addition, the present invention also proposes a kind of multichannel flight data recording and discharging method, using said apparatus, this method
Comprise the following steps：
S1, data recording control pass through first data transmission interface and the second data transmission interface and onboard flight data
Collecting device is connected, and airborne flying quality collecting device is received respectively from first data transmission interface and the second data transmission interface
The flying quality of transmission；
S2, data recording control are connected by DDR memory interface with DDR memory, by the flying quality received
It is cached in DDR memory, and data management is carried out to the flying quality being buffered in DDR memory；
S3, when condition identifier judge data recording control be in recording status when, internal SATA interface and with number
Connection is set up between the external SATA interface connected according to recording controller, is formed and led to for the data transfer of record flight data
Road, flash chip is write by flying quality by flash controller；
S4, when condition identifier judge data recording control be in unloaded state when, internal SATA interface and with number
Connection is set up between the external SATA interface connected according to unloading equipment, the data transmission channel for unloading flying quality is formed,
Flying quality in flash chip is read into load shedding equipment by flash controller and SATA channel controllers.
Further, this method further comprises：On apparatus system after electricity, when condition identifier judges data record control
When device processed is in recording status, SATA channel controllers are switched to the data transmission channel for record flight data, respectively
Initialize DDR memory and SATA interface, recorded data when reading previous electric from flash chip after the completion of initialization
State, it is ensured that trailer record data will not destroy data with existing, after new flying quality is received, stores data into flash memory
In chip, and update recording status；When condition identifier judges that data recording control is in unloaded state, SATA is led to
Track control unit is switched to the data transmission channel for unloading flying quality, initializes SATA interface, waits load shedding equipment
Carry out digital independent.
(3) technique effect
Multichannel flight data recording and discharge mechanism proposed by the present invention, building block small volume are low in energy consumption, meet and fly
The small form factor requirements of row record system.The present invention recording method it is simple, it would be preferable to support the record of multiple interfaces flying quality with
Management, and can be extended according to the actual requirements, flexibility is high.The discharging method of the present invention uses SATA interface, and this connects
Mouth is the requisite interfaces in modern computer devices, and strong applicability, transmission speed is fast, using the teaching of the invention it is possible to provide quick unloading operation.This
Two states are recorded and unloaded in invention to be automatically switched according to interface annexation, it is not necessary to manual intervention, it is easy to make
With reduction risk of error.The present invention is managed using flash controller to flash chip, reduces user to flash chip
Use requirement.
Brief description of the drawings
Fig. 1 is the multichannel flight data recording and discharge mechanism pie graph of the embodiment of the present invention 1；
Fig. 2 is the multichannel flight data recording and discharging method workflow diagram of the embodiment of the present invention 1；
Fig. 3 is the multichannel flight data recording and discharge mechanism pie graph of the embodiment of the present invention 2.
Embodiment
To make the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to the present invention's
Embodiment is described in further detail.
Embodiment 1
The multichannel flight data recording and discharge mechanism of the present embodiment 1 are constituted, as shown in Figure 1.The device includes：Data
Recording controller, DDR memory, SATA channel controllers, condition identifier, flash controller and flash chip.
Data recording control has EMIF interfaces, RS422 interfaces, DDR memory interface and SATA interface.Data record
Controller is connected by EMIF interfaces and RS422 interfaces with on-board data collecting device, and airborne data acquisition equipment is received respectively
The flying quality sent from EMIF interfaces and RS422 interfaces.
Data recording control is connected by DDR memory interface with DDR memory, for by the flying quality received
It is cached in DDR memory, and data management is carried out to the flying quality being buffered in DDR memory.
Data recording control is connected by SATA interface with SATA channel controllers, for by by the winged of data management
Row data are sent to flash chip by SATA channel controllers and flash controller.
DDR memory, for being cached to the flying quality that data recording control is received.
SATA channel controllers, with 2 external SATA interfaces and 1 internal SATA interface.Wherein, by 2 externally
SATA interface is connected with data recording control and data unloading equipment respectively, is connected by internal SATA interface and flash controller
Connect.SATA channel controllers are connected with condition identifier, according to the control signal of condition identifier, wherein 1 external SATA
Connection is set up between interface and internal SATA interface, flying quality transmission channel is formed；
Condition identifier, is connected with SATA channel controllers, when judging that data recording control is in recording status,
Connection is set up between internal SATA interface and the external SATA interface being connected with data recording control, is formed for record-setting flight
The data transmission channel of data, flash chip is write by flying quality by flash controller；When judging data recording control
During in unloaded state, connection is set up between internal SATA interface and the external SATA interface being connected with load shedding equipment,
The data transmission channel for unloading flying quality is formed, the flying quality in flash chip is passed through into flash controller and SATA
Channel controller reads into load shedding equipment；
Flash controller, with SATA interface and flash chip interface.Wherein, controlled by SATA interface and SATA passages
Device is connected, and is connected by flash chip interface with flash chip.Flash controller is used to be sent by data recording control
Flying quality is write and read in flash chip, and carries out space management to flash chip.
Flash chip, for being stored to the flying quality sent by data recording control.
The multichannel flight data recording and discharging method workflow of the present embodiment, as shown in Figure 2.This method includes：
System electrification, when condition identifier judges that data recording control is in recording status, SATA channel controllers are switched to
For the data transmission channel of record flight data, DDR memory and SATA interface are initialized respectively, from sudden strain of a muscle after the completion of initialization
Deposit the state of existing record data when reading previous electric in chip, it is ensured that trailer record data will not destroy data with existing, when
Receive after new flying quality, store data into flash chip, and update recording status.When condition identifier judges
When data recording control is in unloaded state, SATA channel controllers are switched to the data transfer for unloading flying quality
Passage, initializes SATA interface, waits load shedding equipment to carry out digital independent.
Embodiment 2
The multichannel flight data recording and discharge mechanism of the present embodiment 2 are constituted, as shown in Figure 2.The device includes：As
The FPGA of data recording control, the DDR3SDRAM as DDR memory, the SATA switching cores as SATA channel controllers
Piece, the level detection module as condition identifier, the SSD controller as flash controller and the NAND as flash chip
Flash chip.FPGA is connected by aviation socket with onboard flight data acquisition equipment.SATA switching chips are connected by SATA
Device is connected with load shedding equipment.
FPGA uses the Zynq series of X C7Z045 chips of Xilinx companies.The chip has programmable logic cells, embedded
ARM process kernels, integrated DDR memory interfaces and high speed serialization GTX interfaces.FPGA connections external crystal-controlled oscillation is inputted as clock source.
Programmable logic cells can realize the customizing functions of the external interfaces such as EMIF and RS422, and SATA protocol is realized using GTX interfaces
Data-transformation facility, DDR memory interfaces be connected with DDR3SDRAM completion data buffer storage function.
Aviation socket selects J30J sockets, supports the linkage function of EMIF interfaces, RS422 interfaces and power supply signal, together
When be easy to the plug of the data board.
SATA switching chips use the CBTL02043A chips of NXP companies, and the chip supports the difference of highest 10GHz bandwidth
2 couple 1 of serial signal switches, and the agreement transmission that SATA6Gbps can be met with highest switches with passage.
Level detection module is used for the connection status for detecting SATA connector.If detecting SATA connector is in high resistant
Pattern, that is, represent present non-offloaded state, it indicates that SATA switching chips are switched to recording channel；If detecting SATA connections
Device is in connection mode, that is, represents to be unloaded state now, it indicates that SATA switching chips are switched to relief passage, wait to be unloaded
The digital independent of equipment.
SSD controller uses the SM2246 chips of SMI companies.The chip possesses solid-state storage master control function, it would be preferable to support
SATA external interfaces, while internally connecting multiple NAND Flash chips, complete data high-speed store function.
Described above is only the 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, some improvement and deformation can also be made, these improve and deformed
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of multichannel flight data recording and discharge mechanism, it is characterised in that described device includes：Data record is controlled
Device, DDR memory, SATA channel controllers, condition identifier, flash controller and flash chip；Wherein,
The data recording control have first data transmission interface, the second data transmission interface, DDR memory interface and
SATA interface；Wherein, the data recording control is connect by the first data transmission interface and second data transfer
Mouth is connected with onboard flight data acquisition equipment, and the onboard flight data acquisition equipment is received respectively and is passed from first data
The flying quality that defeated interface and second data transmission interface are sent；The data recording control is stored by the DDR
Device interface is connected with the DDR memory, for the flying quality received to be cached in the DDR memory, and
Data management is carried out to the flying quality being buffered in the DDR memory；The data recording control passes through described
SATA interface is connected with the SATA channel controllers, described for the flying quality Jing Guo the data management to be passed through
SATA channel controllers and the flash controller are sent to the flash chip；
The DDR memory, for being cached to the flying quality that the data recording control is received；
The SATA channel controllers, with 2 external SATA interfaces and 1 internal SATA interface；Wherein, by 2 externally
SATA interface is connected with the data recording control and data unloading equipment respectively, passes through internal SATA interface and the flash memory
Controller is connected；The SATA channel controllers are connected with the condition identifier, are believed according to the control of the condition identifier
Number, 1 external set up between SATA interface and internal SATA interface connects wherein, forms flying quality transmission channel；
The condition identifier, is connected with the SATA channel controllers, is recorded when judging that the data recording control is in
During state, the company of foundation between the internal SATA interface and the external SATA interface being connected with the data recording control
Connect, form the data transmission channel for record flight data, flying quality is write into described dodge by the flash controller
Deposit chip；When judge the data recording control be in unloaded state when, the internal SATA interface and with the data
Connection is set up between the external SATA interface of unloading equipment connection, the data transmission channel for unloading flying quality is formed, will
Flying quality in the flash chip reads into the data by the flash controller and the SATA channel controllers
Unloading equipment；
The flash controller, with SATA interface and flash chip interface；Wherein, SATA interface and the SATA passages are passed through
Controller is connected, and is connected by the flash chip interface with the flash chip；The flash controller is used for will be by described
The flying quality that data recording control is sent is write and read in the flash chip, and the flash chip is entered
Row space management；
The flash chip, for being stored to the flying quality sent by the data recording control.
2. device as claimed in claim 1, it is characterised in that the first data transmission interface is EMIF interfaces.
3. device as claimed in claim 1, it is characterised in that second data transmission interface is RS422 interfaces.
4. device as claimed in claim 1, it is characterised in that the data recording control is fpga chip.
5. device as claimed in claim 1, it is characterised in that the data recording control passes through aviation socket and the machine
Carry the connection of flying quality collecting device.
6. device as claimed in claim 1, it is characterised in that the SATA channel controllers by SATA connector with it is described
Load shedding equipment is connected.
7. device as claimed in claim 6, it is characterised in that the condition identifier is level detection module；The level
Detection module is connected with the SATA connector, the connection status for detecting the SATA connector；Wherein, when the level
When detection module detects the SATA connector and is in high impedance mode, judge to be now recording status, the control SATA is logical
Track control unit forms the data transmission channel for record flight data；Connect when the level detection module detects the SATA
When connecing device and being in connection mode, judge to be now unloaded state, control the SATA channel controllers to be formed and flown for unloading
The data transmission channel of data.
8. a kind of multichannel flight data recording and discharging method, it is characterised in that using such as any one of claim 1~7
Described device, methods described comprises the following steps：
S1, the data recording control by the first data transmission interface and second data transmission interface with it is described
Onboard flight data acquisition equipment is connected, and the onboard flight data acquisition equipment is received respectively and is connect from the first data transmission
The flying quality that mouth and second data transmission interface are sent；
S2, the data recording control are connected by the DDR memory interface with the DDR memory, by what is received
The flying quality is cached in the DDR memory, and the flying quality being buffered in the DDR memory is carried out
Data management；
S3, when the condition identifier judge the data recording control be in recording status when, connect in the internal SATA
Connection is set up between mouth and the external SATA interface being connected with the data recording control, is formed for record flight data
Data transmission channel, the flash chip is write by flying quality by the flash controller；
S4, when the condition identifier judge the data recording control be in unloaded state when, connect in the internal SATA
Connection is set up between mouth and the external SATA interface being connected with the load shedding equipment, the number for unloading flying quality is formed
According to transmission channel, the flying quality in the flash chip is read by the flash controller and the SATA channel controllers
Go out to the load shedding equipment.
9. method as claimed in claim 8, it is characterised in that methods described further comprises：In described device system electrification
Afterwards, when the condition identifier judges that the data recording control is in recording status, by the SATA channel controllers
The data transmission channel for record flight data is switched to, the DDR memory and SATA interface are initialized respectively, is initialized
After the completion of when reading previous electric from the flash chip recorded data state, it is ensured that trailer record data will not be destroyed
Data with existing, after new flying quality is received, is stored data into the flash chip, and update recording status；
When the condition identifier judges that the data recording control is in unloaded state, the SATA channel controllers are switched
To the data transmission channel for unloading flying quality, SATA interface is initialized, waits the load shedding equipment to carry out data
Read.
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| CN201710308396.XA CN107146300B (en) | 2017-05-04 | 2017-05-04 | A kind of multichannel flight data recording and discharge mechanism and its method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710308396.XA CN107146300B (en) | 2017-05-04 | 2017-05-04 | A kind of multichannel flight data recording and discharge mechanism and its method |
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Cited By (2)
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| CN108280901A (en) * | 2017-12-09 | 2018-07-13 | 天津津航计算技术研究所 | A kind of multichannel flight data recorder |
| CN114995887A (en) * | 2022-05-26 | 2022-09-02 | 中国航空工业集团公司沈阳飞机设计研究所 | Synchronous starting recording method for double data cards |
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| CN108280901A (en) * | 2017-12-09 | 2018-07-13 | 天津津航计算技术研究所 | A kind of multichannel flight data recorder |
| CN114995887A (en) * | 2022-05-26 | 2022-09-02 | 中国航空工业集团公司沈阳飞机设计研究所 | Synchronous starting recording method for double data cards |
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| CN107146300B (en) | 2019-03-08 |
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