CN108170457A - Firmware upgrade method, device and VR head-mounted displays - Google Patents
Firmware upgrade method, device and VR head-mounted displays Download PDFInfo
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- CN108170457A CN108170457A CN201711440905.0A CN201711440905A CN108170457A CN 108170457 A CN108170457 A CN 108170457A CN 201711440905 A CN201711440905 A CN 201711440905A CN 108170457 A CN108170457 A CN 108170457A
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Abstract
An embodiment of the present invention provides a kind of firmware upgrade method, device and VR head-mounted displays, this method to include：The nonvolatile memory that VR head-mounted displays include is divided into firmware working area, firmware parameters area, BootLoader areas and firmware application area；Multiple packetized datas that receiving host is sent, each packetized data are written to the firmware working area, and update the upgrade flag in the firmware parameters area；Start the BootLoader programs in BootLoader areas, the current application firmware in firmware application area is wiped, and by the packetized data programming in firmware working area to firmware application area to obtain update application firmware；The update application firmware is performed to complete firmware upgrade.The firmware upgrade scheme, by carrying out region division to storage medium, each region performs firmware upgrade correlation function, internal functionalization is optimized respectively, improves firmware upgrade efficiency.
Description
Technical field
The present invention relates to technical field of electronic equipment, are worn in particular to a kind of firmware upgrade method, device and VR
Formula display.
Background technology
With the continuous development of VR technologies, people are higher and higher to experience requirements, need to carry out the firmware of VR equipment and
When upgrade to improve usage experience.Existing VR all-in-one machines are divided into host and display, due to its data processing of display one end
Ability is weaker, and the division of internal module function is indefinite, leads to display one end less efficient, serious shadow when carrying out firmware upgrade
Ring user's experience.Therefore, how to solve the above problems is problem urgently to be resolved hurrily at present.
Invention content
In view of this, the object of the present invention is to provide a kind of firmware upgrade method, device and VR head-mounted displays with
It solves the above problems.
The embodiment of the present invention provides a kind of firmware upgrade method, applied to VR head-mounted displays, the method includes：
By the nonvolatile memory that the VR head-mounted displays include be divided into firmware working area, firmware parameters area,
BootLoader areas and firmware application area；
Multiple packetized datas that receiving host is sent, each packetized data is written to the firmware working area, and more
The upgrade flag in the new firmware parameters area；
Start the BootLoader programs in the BootLoader areas, the current application firmware in the firmware application area is wiped
Remove, and by the packetized data programming in the firmware working area to the firmware application area with obtain update application firmware；
The update application firmware is performed to complete firmware upgrade.
Optionally, in the above-mentioned methods, multiple packetized datas that the receiving host is sent, each packetized data is write
The step of entering to the firmware working area, including：
The packetized data that receiving host is sent, cache pool is temporarily stored in by the packetized data received；
When the cache pool has been expired, the packetized data kept in the cache pool is written to the firmware working area,
It is further continued for receiving the packetized data that the host is sent and is temporarily stored in the cache pool, until needed for the update application firmware
Until all packetized datas receive and preserve and finish.
Optionally, in the above-mentioned methods, described the step of being written each packetized data to the firmware working area, packet
It includes：
The packetized data received is temporarily stored in cache pool, is connect in all packetized datas needed for the update application firmware
After receiving and keeping in, all packetized datas kept in the cache pool are written to the firmware working area.
Optionally, in the above-mentioned methods, before the step of multiple packetized datas that the receiving host is sent, the method
It further includes：
After the firmware upgrade request of host transmission is received, upgrade mode is switched to from current operation mode, and to institute
It states host and feeds back the first back message, so that the host returns to firmware updating information；
The firmware updating information that the host is sent is received, the firmware updating information is preserved and is fed back to the host
Second back message, so that the host sends packetized data to the VR head-mounted displays.
Optionally, in the above-mentioned methods, it is described by each packetized data be written to the step of the firmware working area it
Afterwards, the method further includes：
After the data transmission for receiving the host transmission finishes message, in detection write-in to the firmware working area
Whether the information of packetized data is consistent with the firmware updating information received, and the update firmware parameters area is performed if consistent
The step of upgrade flag, if inconsistent, exits upgrade mode.
Optionally, in the above-mentioned methods, it is described start the BootLoader areas BootLoader programs the step of it
Afterwards, the method further includes：
The upgrade flag in the firmware parameters area is read, when the upgrade flag is characterized as true, is performed the firmware
The step of current application firmware in application area is wiped, otherwise jumps directly to the firmware application area to perform the firmware application
The current application firmware in area.
Optionally, in the above-mentioned methods, it is described start the BootLoader areas BootLoader programs the step of it
Afterwards, the method further includes：
The packetized data in the firmware working area is read, and verifies the correctness of the packetized data, if being verified,
The step of wiping the current application firmware in the firmware application area is then performed, if verification does not pass through, is jumped directly to described
Firmware application area is to perform the current application firmware in the firmware application area.
Another embodiment of the present invention provides a kind of device for upgrading firmware, applied to VR head-mounted displays, the firmware liter
Stage arrangement includes：
Division module, the nonvolatile memory for the VR head-mounted displays to be included are divided into firmware and keep in
Area, firmware parameters area, BootLoader areas and firmware application area；
For multiple packetized datas that receiving host is sent, each packetized data is written to described solid for receiving module
Part working area, and update the upgrade flag in the firmware parameters area；
For starting the BootLoader programs in the BootLoader areas, the firmware application area is worked as starting module
Preceding application firmware erasing, and by the packetized data programming in the firmware working area to the firmware application area to be updated
Application firmware；
Execution module, for performing the update application firmware to complete firmware upgrade.
Another embodiment of the present invention provides a kind of VR head-mounted displays, including：
Memory；
Processor；And
Device for upgrading firmware, the software for being stored in the memory and being performed by the processor including one or more
Function module, the device for upgrading firmware include：
Division module, the nonvolatile memory for VR head-mounted displays to be included are divided into firmware working area, consolidate
Part parameter region, BootLoader areas and firmware application area；
For multiple packetized datas that receiving host is sent, each packetized data is written to described solid for receiving module
Part working area, and update the upgrade flag in the firmware parameters area；
For starting the BootLoader programs in the BootLoader areas, the firmware application area is worked as starting module
Preceding application firmware erasing, and by the packetized data programming in the firmware working area to the firmware application area to be updated
Application firmware；
Execution module, for performing the update application firmware to complete firmware upgrade.
Another embodiment of the present invention provides a kind of computer readable storage medium, the computer-readable recording medium storage
There is instruction, when executed, realize above-mentioned firmware upgrade method.
Firmware upgrade method provided in an embodiment of the present invention, device and VR head-mounted displays, by the way that storage is situated between in advance
Matter is divided into firmware working area, firmware parameters area, BootLoader areas and firmware application area, in point for receiving host transmission
During bag data, packetized data is written to firmware working area, and updates the upgrade flag in firmware parameters area.Start BootLoader
The BootLoader programs in area wipe the current application firmware in firmware application area, and by the packetized data in firmware working area
Programming to firmware application area with obtain update application firmware.It is final to perform update application firmware to complete firmware upgrade.The firmware
Upgrading scheme, by carrying out region division to storage medium, each region performs firmware upgrade correlation function respectively, to built-in function
Change is optimized, and improves firmware upgrade efficiency.
For the above objects, features and advantages of the present invention is enable to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the application scenarios schematic diagram of firmware upgrade method provided in an embodiment of the present invention.
Fig. 2 is the structure diagram of VR head-mounted displays provided in an embodiment of the present invention.
Fig. 3 is the flow chart of firmware upgrade method provided in an embodiment of the present invention.
Fig. 4 divides schematic diagram for non-volatile memory provided in an embodiment of the present invention.
Fig. 5 is another flow chart of firmware upgrade method provided in an embodiment of the present invention.
Interaction flow schematic diagrames of the Fig. 6 between VR head-mounted displays provided in an embodiment of the present invention and host.
Fig. 7 is the functional block diagram of device for upgrading firmware provided in an embodiment of the present invention.
Icon：100-VR head-mounted displays；110- microcontrollers；120-USB transmission control unit (TCU)s；130- communication interfaces；
140- nonvolatile memories；150- device for upgrading firmware；151- division modules；152- receiving modules；153- starting modules；
154- execution modules；200- hosts.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be configured to arrange and design with a variety of different herein.Cause
This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below
Range, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Go out all other embodiments obtained under the premise of creative work, shall fall within the protection scope of the present invention.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.Meanwhile the present invention's
In description unless specifically defined or limited otherwise, term " installation ", " setting ", " connection " should be interpreted broadly, for example, can
To be to be fixedly connected or be detachably connected or be integrally connected；Can be mechanical connection or electrical connection；It can
It to be to be connected directly, can also be indirectly connected by intermediary, can be the connection inside two elements.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Referring to Fig. 1, for a kind of application scenarios schematic diagram of firmware upgrade method provided in an embodiment of the present invention.The scene
Including VR head-mounted displays 100 and host 200, the VR head-mounted displays 100 can be by wireless with the host 200
Connection, can also be by wired connection, and connecting need to keep reliable and stable.In the present embodiment, the VR head-mounted displays
It can be by USB (Universal Serial Bus, universal serial bus) connections, certainly between 100 and the host 200
It can be attached by other physical connection mediums.In the present embodiment, the host 200 can be and the VR wear-types
The mating host 200 of display 100 or other desktop computers with USB interface.
Referring to Fig. 2, the VR head-mounted displays 100 include microcontroller 110, USB transmission controller 120, communication
Interface 130 and nonvolatile memory 140.It the USB transmission controller 120, communication interface 130 and described non-volatile deposits
Reservoir 140 is coupled with the microcontroller 110.The USB transmission controller 120 can be in the controller of the microcontroller 110
Data transmission and the interaction between the host 200 are realized by the communication interface 130 down.In the present embodiment, it is described
It is directly or indirectly electrically connected between each other between nonvolatile memory 140 and the microcontroller 110, to realize data
Transmission or interaction.For example, these elements can electrically be connected between each other by one or more communication bus or signal wire realization
It connects.It is stored in nonvolatile memory 140 in the form of software or firmware (Firmware) and is stored in described non-volatile deposit
Software function module in reservoir 140, the microcontroller 110 are stored in soft in nonvolatile memory 140 by operation
Part program and module, such as the device for upgrading firmware 150 in the embodiment of the present invention, so as to perform various functions application and data
The firmware upgrade method in the embodiment of the present invention is realized in processing.
It is appreciated that structure shown in Fig. 2 is only to illustrate, the VR head-mounted displays 100 may also include than institute in Fig. 2
Show more either less components or with the configuration different from shown in Fig. 2.Each component shown in Fig. 2 may be used firmly
Part, software or combination are realized.
Referring to Fig. 3, it is a kind of firmware liter applied to above-mentioned VR head-mounted displays 100 provided in an embodiment of the present invention
The flow chart of grade method.It should be noted that method provided by the invention is not limited with Fig. 3 and particular order as described below
System.Each step shown in Fig. 3 will be described in detail below.
The nonvolatile memory 140 that the VR head-mounted displays 100 include is divided into firmware and kept in by step S101
Area, firmware parameters area, BootLoader areas and firmware application area.
In the present embodiment, it in order to which the subsequently convenient firmware packetized data sent to host 200 is stored and handled, carries
The nonvolatile memory 140 that the VR head-mounted displays 100 include can be divided into four by high firmware upgrade efficiency in advance
Area：Firmware working area, firmware parameters area, BootLoader areas and firmware application area, as shown in Figure 4.
Further, function division can be carried out to each region, such as firmware working area can be used for preserving new version firmware
Data, the bootable application firmware in Bootloader areas start, complete the tasks such as application firmware update, and firmware parameters area can be used for protecting
The acquisition firmware version of host 200 can be responded by depositing the required mark value of upgrading and other related datas, firmware application area program
This, upgrading start, upgrade terminate, the requests such as data check.In this way, subsequently being interacted with host 200 to complete firmware liter
During grade, each module can Each performs its own functions and cooperates to improve upgrading efficiency.
Step S102, multiple packetized datas that receiving host 200 is sent, each packetized data is written to the firmware
Working area, and update the upgrade flag in the firmware parameters area.
Referring to Fig. 5, in the present embodiment, it is described before the step of multiple packetized datas of the transmission of receiving host 200
Firmware upgrade method is further comprising the steps of：
After the firmware upgrade request of the transmission of host 200 is received, upgrading is switched to from current operation mode by step S201
Pattern, and the first back message is fed back to the host 200, so that the host 200 returns to firmware updating information.
Step S202 receives the firmware updating information that the host 200 is sent, by the firmware updating information preserve and to
The host 200 feeds back the second back message, so that the host 200 sends packetized data to the VR head-mounted displays
100。
Before firmware upgrade is carried out, original application firmware is in the application firmware area of VR head-mounted displays 100
In operation, after VR head-mounted displays 100 receive the firmware upgrade request of the transmission of host 200, current operation mode is cut
Upgrade mode is changed to, while the first back message is fed back to the host 200, to notify the 200 current VR wear-types of host
Display 100 has upgraded ready.Also, stop other work flows, with the upgrading institute that receiving host 200 is waited for send
The packetized data needed.
The host 200 is responded in the characterization upgrading ready first for receiving the feedback of VR head-mounted displays 100
After message, firmware updating information is sent to the VR head-mounted displays 100.Wherein, the firmware updating information includes upgrading
Firmware data form, such as frame head, unit type, command word, repeating transmission number, Bale No., total packet number, data length, data and verification
Code.
In the present embodiment, optionally, the frame head is 2 bytes, and the unit type is 1 byte, and the command word is 1
Byte, described to retransmit number and the Bale No. is 1 byte, total Bale No. and the data length are 2 bytes, the data
For N byte, i.e. multibyte.The check code is 1 byte.Wherein, the command word can be used for representing different command, the verification
Code can be used for verifying this message.
After the VR wear-types are shown in the firmware updating information for receiving the transmission of host 200, using default verification side
Formula verifies the firmware updating information, such as is calibrated with calibration or CRC (Cyclic Redundancy Check),
This present embodiment is not specifically limited.After verification passes through, VR head-mounted displays 100 are responded to the feedback of host 200 second
Message is to show that this information has verified that success, the host 200 to be notified to send the packetized data needed for upgrading.It also, will
The firmware updating information received is stored.In the present embodiment, if the firmware updating information checking fails, the VR
Head-mounted display 100 does not make any processing.
The host 200 receive VR head-mounted displays 100 feedback characterization firmware updating information checking by
After second back message, the packetized data of its request is sent to the VR head-mounted displays 100.In the present embodiment, firmware
Packetized data needed for upgrading to be multiple, VR head-mounted displays 100 can requesting host 200 send multiple packetized datas successively,
Such as host 200 sends the first packet packetized data to VR head-mounted displays 100, VR head-mounted displays 100 get host
After 200 the first packet packetized datas sent, it is temporarily stored in the buffer pool that VR head-mounted displays 100 are opened up, then to host
200 feedbacks are to ask to send the second packet packetized data, until receiving last packet packetized data.
After VR head-mounted displays 100 receive packetized data, packetized data is temporarily stored in cache pool, and detection is slow in real time
Deposit whether pond has expired.
In one case, the VR head-mounted displays 100 packetized data that receiving host 200 is sent successively, and temporarily
There are in cache pool, if the packetized data received has occupied all memory spaces of the cache pool, but firmware upgrade institute
The packetized data needed does not receive also, then first the packetized data kept in cache pool can be written to the firmware working area,
It is further continued for receiving the packetized data that the host 200 is sent and is temporarily stored in the cache pool, until all needed for firmware upgrade
Until packetized data receives and preserves and finish.
In another scenario, the packetized data that receiving host 200 is sent successively of VR head-mounted displays 100, if currently
The packetized data received has been last bag data, i.e., all packetized datas needed for firmware upgrade have received, then may be used
It directly will be in the packetized data that kept in current cache pond all write-in to the firmware working area.
In the present embodiment, it is written by each subpackage number to the firmware working area, the firmware upgrade method is also
Include the following steps：
After the data transmission for receiving the transmission of host 200 finishes message, detection write-in to the firmware working area
In packetized data information it is whether consistent with the firmware updating information received, the update firmware parameters are performed if consistent
The step of upgrade flag in area, if inconsistent, exits upgrade mode.
Further, host 200 can be transmitted after all packetized datas are sent to VR head-mounted displays 100
Data transmission finishes message to VR head-mounted displays 100 to inform that packetized data has been sent.VR head-mounted displays 100
After data transmission message is received, it is detected according to the packetized data that the firmware updating information butt joint of above-mentioned storage receives,
To verify whether the information of packetized data received is consistent with firmware updating information, such as total packet number, data length and data
Etc. information it is whether consistent.If consistent, follow-up process is can proceed with, if inconsistent, exits upgrade mode, to terminate to upgrade
Process.
In the present embodiment, VR head-mounted displays 100 are receiving packetized data, and after being verified to it,
The upgrade flag in the firmware parameters area may be updated, such as original upgrade flag 0 is updated to upgrade flag 1, to show
The new firmware data received needs to restart with the new firmware of programming.And echo message is fed back to show firmware to host 200
All packetized datas needed for upgrading have received.
Step S103 starts the BootLoader programs in the BootLoader areas, the firmware application area is current
Application firmware is wiped, and the packetized data programming in the firmware working area to the firmware application area is applied with obtaining update
Firmware.
Step S104 performs the update application firmware to complete firmware upgrade.
In the present embodiment, VR head-mounted displays 100 by all packetized datas needed for firmware upgrade be written to
Behind firmware working area, the BootLoader programs in the BootLoader areas can be started, to force itself microcontroller 110 again
Start.When the microcontroller 110 of the VR head-mounted displays 100 restarts, following steps are can perform：
The upgrade flag in the firmware parameters area is read, when the upgrade flag is characterized as true, is performed the firmware
The step of current application firmware in application area is wiped, otherwise jumps directly to the firmware application area to perform the firmware application
The current application firmware in area.
The firmware parameters area can be read in restarting in the microcontroller 110 of the VR head-mounted displays 100
Upgrade flag determines whether to have received new firmware data by the upgrade flag in firmware parameters area.For example, in the liter
When grade is labeled as 1, shows currently to have received new firmware data, new firmware programming can be carried out.If upgrade flag is 0, table
It is bright can programming currently without new firmware data.If currently without new firmware data, can jump directly to the firmware should
With area to perform the current application firmware in the firmware application area, to realize normal work.
Further, if being currently received new firmware data, following steps be can perform：
The packetized data in the firmware working area is read, and verifies the correctness of the packetized data, if being verified,
The step of wiping the current application firmware in the firmware application area is then performed, if verification does not pass through, is jumped directly to described
Firmware application area is to perform the current application firmware in the firmware application area.
In the present embodiment, it also needs to test the correctness of firmware data before the programming for carrying out new firmware data
Card, for example, whether total packet number of statistics packetized data is correct or whether data format meets preset format or new firmware number
According to whether being adapted to VR head-mounted displays 100 unit type of itself etc..It should be appreciated that can also detect by other means point
The correctness of bag data, this is no longer going to repeat them.
If after the packetized data in the firmware working area is verified, it can should consolidate the firmware application area is current
Part wipe, and by packetized data programming in the firmware working area to the firmware application area with obtain update application firmware.
Further, VR head-mounted displays 100 jump to the firmware application after new application firmware programming success
Firmware upgrade process is so far completed to perform the update application firmware in area.And it sends upgrading to the host 200 and completes to confirm
Message, to inform the new application firmware of host 200 programming success and complete to upgrade.
In order to make those skilled in the art that firmware upgrade scheme provided by the present invention, the present embodiment be more clearly understood
In interactive process between the VR head-mounted displays 100 and the host 200 be described, incorporated by reference to referring to Fig. 6.
Host 200 can detect the current application firmware of the VR head-mounted displays 100 after new application firmware is obtained
Version, can be to the VR head-mounted displays 100 after judgement VR head-mounted displays 100 need to carry out application firmware upgrading
Send firmware upgrade request.After VR head-mounted displays 100 receive firmware upgrade request, liter is converted to from current operation mode
Grade pattern, and show to upgrade ready first back message to the host 200 feedback.The host 200 responds VR heads
The first back message that head mounted displays 100 are sent, and firmware updating information is sent to the VR head-mounted displays 100.VR
After head-mounted display 100 receives firmware updating information, firmware updating information is verified, and after being verified, protected
The firmware updating information is deposited, and the second back message is sent to the host 200.And the VR head-mounted displays 100
The packetized data request message for the packetized data that request is returned needed for firmware upgrade is sent to host 200.
Multiple packetized datas are sent to VR successively and worn by the host 200 after packetized data request message is received
Formula display 100.The packetized data received is temporarily stored in the cache pool opened up by VR head-mounted displays 100, in cache pool
After having expired or having had received last packet packetized data, the packetized data in cache pool is written to firmware working area.It is main
Machine 200 is after all packetized datas of firmware upgrade have been sent, to 100 transmission data end of transmission report of VR head-mounted displays
Text, VR head-mounted displays 100 detect upon receipt packetized data in firmware working area whether the firmware upgrade with storage
Information is consistent.If inconsistent, upgrade mode is exited.If consistent, start the BootLoader journeys in the BootLoader areas
Sequence is so that microcontroller 110 is restarted.And whether the upgrade flag in the firmware parameters area is detected with true, if true, then again
Whether the packetized data detected in the firmware working area is correct, if correctly, the current application in the firmware application area is consolidated
Part wipe, and by the packetized data programming in firmware working area to the firmware application area with obtain update application firmware.It redirects
Update application firmware is performed to the application firmware area to complete firmware upgrade.And it sends upgrading to the host 200 and completes really
Message is recognized, to inform that the upgrading of host 200 is completed.
Referring to Fig. 7, for a kind of firmware liter applied to above-mentioned VR head-mounted displays 100 provided in an embodiment of the present invention
The functional block diagram of stage arrangement 150.The device for upgrading firmware 150 includes division module 151, receiving module 152, starts mould
Block 153 and execution module 154.
The division module 151 is used to divide the nonvolatile memory 140 that the VR head-mounted displays 100 include
For firmware working area, firmware parameters area, BootLoader areas and firmware application area.The division module 151 can be used for performing
Step S101 shown in Fig. 3, specific operating method can refer to the detailed description of step S101.
The receiving module 152 is used for multiple packetized datas that receiving host 200 is sent, and each packetized data is written
To the firmware working area, and update the upgrade flag in the firmware parameters area.The receiving module 152 can be used for performing Fig. 3
Shown in step S102, specific operating method can refer to the detailed description of step S102.
The starting module 153 is used to start the BootLoader programs in the BootLoader areas, should by the firmware
Wiped with the current application firmware in area, and by the packetized data programming in the firmware working area to the firmware application area with
To update application firmware.The starting module 153 can be used for performing the step S103 shown in Fig. 3, and specific operating method can
With reference to the detailed description of step S103.
The execution module 154 is used to perform the update application firmware to complete firmware upgrade.The execution module 154
Available for performing the step S104 shown in Fig. 3, specific operating method can refer to the detailed description of step S104.
It is apparent to those skilled in the art that for convenience and simplicity of description, the device of foregoing description
Specific work process, can refer to preceding method in corresponding process, no longer excessively repeat herein.
Through the above description of the embodiments, those skilled in the art can be understood that the embodiment of the present invention
The mode of necessary general hardware platform can also be added to realize by software by hardware realization.Based on such understanding,
The technical solution of the embodiment of the present invention can be embodied in the form of software product, the software product can be stored in one it is non-
Volatile storage medium (can be CD-ROM, USB flash disk, mobile hard disk etc.) in, it is used including some instructions so that a computer
Equipment (can be personal computer, server or network equipment etc.) performs the method described in each implement scene of the present invention.
In conclusion firmware upgrade method provided in an embodiment of the present invention, device and VR head-mounted displays 100, pass through
Storage medium is divided into firmware working area, firmware parameters area, BootLoader areas and firmware application area in advance, is being received
During the packetized data that host 200 is sent, packetized data is written to firmware working area, and update the upgrading mark in firmware parameters area
Note.Start the BootLoader programs in BootLoader areas, the current application firmware in firmware application area is wiped, and firmware is temporary
The packetized data programming in area is deposited to firmware application area to obtain update application firmware.It is final to perform update application firmware to complete
Firmware upgrade.The firmware upgrade scheme, by carrying out region division to storage medium, each region performs firmware upgrade correlation respectively
Internal functionalization is optimized in function, improves firmware upgrade efficiency.
In embodiment provided herein, it should be understood that disclosed device and method, it can also be by other
Mode realize.The apparatus embodiments described above are merely exemplary, for example, the flow chart and block diagram in attached drawing are shown
Architectural framework in the cards, function and the behaviour of devices in accordance with embodiments of the present invention, method and computer program product
Make.In this regard, each box in flow chart or block diagram can represent a part for a module, program segment or code, institute
The part for stating module, program segment or code includes the executable instruction that one or more is used to implement defined logic function.
It should also be noted that at some as in the realization method replaced, the function that is marked in box can also be to be different from attached drawing
The sequence marked occurs.For example, two continuous boxes can essentially perform substantially in parallel, they sometimes can also be by
Opposite sequence performs, this is depended on the functions involved.It is also noted that each box in block diagram and/or flow chart,
And the combination of the box in block diagram and/or flow chart, function as defined in performing or the dedicated of action can be used to be based on hardware
System realize or can be realized with the combination of specialized hardware and computer instruction.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or equipment including a series of elements not only include those elements, and
And it further includes other elements that are not explicitly listed or further includes intrinsic for this process, method, article or equipment institute
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including institute
State in process, method, article or the equipment of element that also there are other identical elements.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should be noted that：Similar label and letter exists
Similar terms are represented in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and is explained.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of firmware upgrade method, which is characterized in that applied to VR head-mounted displays, the method includes：
By the nonvolatile memory that the VR head-mounted displays include be divided into firmware working area, firmware parameters area,
BootLoader areas and firmware application area；
Multiple packetized datas that receiving host is sent, each packetized data are written to the firmware working area, and update institute
State the upgrade flag in firmware parameters area；
Start the BootLoader programs in the BootLoader areas, the current application firmware in the firmware application area wiped,
And by the packetized data programming in the firmware working area to the firmware application area with obtain update application firmware；
The update application firmware is performed to complete firmware upgrade.
2. firmware upgrade method according to claim 1, which is characterized in that multiple subpackage numbers that the receiving host is sent
According to, the step of each packetized data is written to the firmware working area, including：
The packetized data that receiving host is sent, cache pool is temporarily stored in by the packetized data received；
When the cache pool has been expired, the packetized data kept in the cache pool is written to the firmware working area, followed by
Continued access receives the packetized data that the host is sent and is temporarily stored in the cache pool, until all needed for the update application firmware
Until packetized data receives and preserves and finish.
3. firmware upgrade method according to claim 1, which is characterized in that described that each packetized data is written to institute
The step of stating firmware working area, including：
The packetized data received is temporarily stored in cache pool, is received simultaneously in all packetized datas needed for the update application firmware
After temporary, all packetized datas kept in the cache pool are written to the firmware working area.
4. firmware upgrade method according to claim 1, which is characterized in that multiple subpackage numbers that the receiving host is sent
According to the step of before, the method further includes：
After the firmware upgrade request of host transmission is received, upgrade mode is switched to from current operation mode, and to the master
Machine feeds back the first back message, so that the host returns to firmware updating information；
The firmware updating information that the host is sent is received, the firmware updating information is preserved and feeds back second to the host
Back message, so that the host sends packetized data to the VR head-mounted displays.
5. firmware upgrade method according to claim 4, which is characterized in that described that each packetized data is written to institute
After the step of stating firmware working area, the method further includes：
After the data transmission for receiving the host transmission finishes message, detection write-in to the subpackage in the firmware working area
Whether the information of data is consistent with the firmware updating information received, and the upgrading for updating the firmware parameters area is performed if consistent
The step of label, if inconsistent, exits upgrade mode.
6. firmware upgrade method according to claim 1, which is characterized in that the startup BootLoader areas
After the step of BootLoader programs, the method further includes：
The upgrade flag in the firmware parameters area is read, when the upgrade flag is characterized as true, is performed the firmware application
Otherwise the step of current application firmware in area is wiped jumps directly to the firmware application area and is worked as with performing the firmware application area
Preceding application firmware.
7. firmware upgrade method according to claim 1, which is characterized in that the startup BootLoader areas
After the step of BootLoader programs, the method further includes：
The packetized data in the firmware working area is read, and verifies the correctness of the packetized data, if being verified, is held
It is about to the step of current application firmware in the firmware application area is wiped, if verification does not pass through, jumps directly to the firmware
Application area is to perform the current application firmware in the firmware application area.
8. a kind of device for upgrading firmware, which is characterized in that applied to VR head-mounted displays, the device for upgrading firmware includes：
Division module, the nonvolatile memory for the VR head-mounted displays to be included are divided into firmware working area, consolidate
Part parameter region, BootLoader areas and firmware application area；
Receiving module for multiple packetized datas that receiving host is sent, each packetized data is written temporary to the firmware
Area is deposited, and updates the upgrade flag in the firmware parameters area；
Starting module, for starting the BootLoader programs in the BootLoader areas, the firmware application area is current
Application firmware is wiped, and the packetized data programming in the firmware working area to the firmware application area is applied with obtaining update
Firmware；
Execution module, for performing the update application firmware to complete firmware upgrade.
9. a kind of VR head-mounted displays, which is characterized in that including：
Memory；
Processor；And
Device for upgrading firmware, the software function for being stored in the memory and being performed by the processor including one or more
Module, the device for upgrading firmware include：
Division module, the nonvolatile memory for VR head-mounted displays to be included are divided into firmware working area, firmware ginseng
Number area, BootLoader areas and firmware application area；
Receiving module for multiple packetized datas that receiving host is sent, each packetized data is written temporary to the firmware
Area is deposited, and updates the upgrade flag in the firmware parameters area；
Starting module, for starting the BootLoader programs in the BootLoader areas, the firmware application area is current
Application firmware is wiped, and the packetized data programming in the firmware working area to the firmware application area is applied with obtaining update
Firmware；
Execution module, for performing the update application firmware to complete firmware upgrade.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has instruction, when
Described instruction is performed, and realizes the firmware upgrade method described in claim 1-7 any one.
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| CN108874433A (en) * | 2018-09-21 | 2018-11-23 | 歌尔科技有限公司 | A kind of firmware upgrade method of head-mounted display apparatus, system and storage medium |
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| CN110427207A (en) * | 2019-08-07 | 2019-11-08 | 成都易明半导体有限公司 | A kind of LED road lamp controller updating firmware program method based on central controller |
| CN110569049A (en) * | 2019-07-26 | 2019-12-13 | 厦门爱陆通通信科技有限公司 | Equipment serial high-speed upgrading method |
| CN111741344A (en) * | 2020-06-30 | 2020-10-02 | 歌尔科技有限公司 | Video display method of VR equipment and VR equipment |
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| CN110427207A (en) * | 2019-08-07 | 2019-11-08 | 成都易明半导体有限公司 | A kind of LED road lamp controller updating firmware program method based on central controller |
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Application publication date: 20180615 |