CN106973254A - A kind of firmware data transmission method, device and a kind of digital monitor system - Google Patents
A kind of firmware data transmission method, device and a kind of digital monitor system Download PDFInfo
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- CN106973254A CN106973254A CN201610023517.1A CN201610023517A CN106973254A CN 106973254 A CN106973254 A CN 106973254A CN 201610023517 A CN201610023517 A CN 201610023517A CN 106973254 A CN106973254 A CN 106973254A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Abstract
The embodiments of the invention provide a kind of firmware data transmission method, device and a kind of digital monitor system.This method is applied to the first equipment in digital monitor system, and the first equipment is connected with the second equipment in digital monitor system by video data transmission passage, and this method comprises the following steps：Obtain firmware data, wherein, firmware data include the second equipment firmware upgraded needed for data；Firmware data is sent to the second equipment by video data transmission passage, so that the second equipment is upgraded according to firmware data to firmware.As can be seen that in the embodiment of the present invention, the transmitting procedure of firmware data need not be connected up in addition, therefore updating operation implements convenient, reduces upgrade cost.In addition, being greatly shortened for the time for transmitting firmware data, the efficiency of transmission of firmware data is greatly improved, so as to simplify the upgrade maintenance process of firmware.
Description
Technical field
The present invention relates to technical field of security and protection, more particularly to a kind of firmware data transmission method, device and
A kind of digital monitor system.
Background technology
With the development of security and guard technology, the application of digital monitor system is more and more extensive, and it is with good video
Effect and real-time, receive the favor of many users.Firmware in some equipment of digital monitor system
When needing upgrading, some special physical channels, such as uart (Universal Asynchronous can be passed through
Receiver/Transmitter, universal asynchronous receiving-transmitting transmitter) realize.During actual upgrade, it will can consolidate
Data needed for part upgrading are transferred in corresponding equipment by above-mentioned special physical channel, and storage is arrived and is somebody's turn to do
In the CPU (Central Processing Unit, central processing unit) of equipment, firmware number is so achieved that
According to renewal, and then complete firmware upgrading.In general, the bandwidth of above-mentioned physical channel is smaller, phase
Ying Di, its data transmission efficiency is relatively low, and firmware upgrade needs to take a very long time, therefore, firmware
Upgrade maintenance it is extremely difficult.As can be seen that for existing digital monitor system, firmware upgrade dimension
It is a urgent problem to be solved to protect difficulty.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of firmware data transmission method, device and a kind of numeral
Monitoring system, to solve the problem of firmware upgrade is difficult in maintenance in existing digital monitor system.
On the one hand, the embodiments of the invention provide a kind of firmware data transmission method, applied to digital supervision system
The first equipment in system, first equipment passes through video counts with the second equipment in the digital monitor system
Connected according to transmission channel, methods described comprises the following steps：
Firmware data is obtained, wherein, the firmware that the firmware data includes second equipment is upgraded
Required data；
The firmware data is sent to second equipment by the video data transmission passage, so that institute
The second equipment is stated to upgrade to firmware according to the firmware data.
Further, in the above method,
It is described by the firmware data by the video data transmission passage be sent to second equipment it
Before, methods described also includes：
The firmware data is written to the video data storage region of first equipment；
It is described that the firmware data is sent to second equipment by the video data transmission passage, bag
Include：
Firmware data in the video data storage region is sent to by the video data transmission passage
Second equipment.
Further, in the above method, the firmware data by the video data storage region passes through institute
State video data transmission passage to be sent to before second equipment, methods described also includes：
Digital serial interface SDI stringizations are carried out to the firmware data in the video data storage region；
The firmware data by the video data storage region is sent out by the video data transmission passage
Second equipment is given, including：
The firmware data after SDI stringizations will be carried out in the video data storage region to pass by the video data
Defeated passage is sent to second equipment.
Further, in the above method, the video counts that the firmware data is write to first equipment
Before memory block, methods described also includes：
Data in the firmware data are carried out and computing, obtain operation result, the operation result is made
For verification data；
The verification data is added into the firmware data；
The video data storage region that the firmware data is written to first equipment, including：
Firmware data added with the verification data is written to the video data storage of first equipment
Area.
Further, in the above method, the video data storage region internal memory contains horizontal blanking data and field disappears
Hidden data, wherein,
The firmware data by the video data storage region is sent out by the video data transmission passage
Second equipment is given, so that second equipment is upgraded according to the firmware data to firmware, bag
Include：
Utilize the horizontal blanking data and the field blanking data in the video data storage region, generation bag
Video data bag containing the firmware data in the video data storage region；
The video data bag is sent to second equipment by the video data transmission passage, so that
Second equipment extracts the firmware data from the video data bag, and according to the firmware data pair
Firmware is upgraded.
On the other hand, the embodiment of the present invention additionally provides a kind of firmware data transmitting device, applied to numeral prison
The second equipment in the first equipment in control system, first equipment and the digital monitor system by regarding
Frequency data transmission channel is connected, and methods described comprises the following steps：
First firmware data obtains module, for obtaining firmware data, wherein, the firmware data includes
The firmware of second equipment upgraded needed for data；
Video data sends module, for the firmware data to be sent by the video data transmission passage
To second equipment, so that second equipment is upgraded according to the firmware data to firmware.
Further, said apparatus also includes：Writing module；Wherein,
Said write module is used to store the video data that the firmware data is written to first equipment
Area；
The video data sends module specifically for the firmware data in the video data storage region is led to
Cross the video data transmission passage and be sent to second equipment.
Further, said apparatus also includes：Digital serial interface SDI stringization modules；Wherein,
The SDI stringizations module is used to carry out data serial to the firmware data in the video data storage region
Interface SDI stringizations；
The video data sends module specifically for will be carried out in the video data storage region after SDI stringizations
Firmware data second equipment is sent to by the video data transmission passage.
Further, said apparatus also includes：Verification data obtains module and verification data add module；Its
In,
The verification data, which obtains module, to be used to carry out and computing the data in the firmware data, is transported
Result is calculated, the operation result is regard as verification data；
The verification data add module is used to add the verification data into the firmware data；
Said write module by the firmware data added with the verification data specifically for being written to described
The video data storage region of one equipment.
Further, in said apparatus, the video data storage region internal memory contains horizontal blanking data and field disappears
Hidden data, wherein,
The video data, which sends module, to be included：
Video data bag generation module, for utilizing the horizontal blanking data in the video data storage region
With the field blanking data, generation includes the video counts of the firmware data in the video data storage region
According to bag；
Video data bag sending module, for the video data bag to be passed through into the video data transmission passage
Second equipment is sent to, so that second equipment extracts the firmware number from the video data bag
According to, and firmware is upgraded according to the firmware data.
Another aspect, the embodiment of the present invention additionally provides a kind of firmware data transmission method, applied to numeral prison
The first equipment in the second equipment in control system, second equipment and the digital monitor system by regarding
Frequency data transmission channel is connected, and methods described comprises the following steps：
The firmware data sent by first equipment by the video data transmission passage is obtained, wherein,
The firmware data includes the data needed for the firmware upgrade in second equipment, and the firmware data
For first equipment after firmware data is obtained it is transmitted；
According to the firmware data, firmware is upgraded.
Further, in the above method, the firmware data be first equipment obtain firmware data and
The firmware data is write transmitted after video data storage region.
Further, in the above method, the firmware data is after digital serial interface SDI stringizations
Data, wherein,
It is described according to the firmware data, before upgrading to firmware, methods described also includes：
SDI is carried out to the firmware data obtained to unstring；
It is described that firmware is upgraded according to the firmware data, including：
Firmware data after being unstringed according to SDI, upgrades to firmware.
Further, in the above method, the firmware data includes：Verification data, described in the basis
Firmware data, before upgrading to firmware, methods described also includes：
Remainder data in the firmware data of acquisition in addition to verification data is carried out and computing, obtain computing knot
Really；
Whether verification data in operation result and the firmware data that reads is identical to judge what is obtained
Whether firmware data is accurate, if it is determined that the firmware data obtained is accurate, then performs described according to the firmware
Data, upgrade to firmware.
Another aspect, the embodiment of the present invention additionally provides a kind of firmware data transmitting device, applied to numeral prison
The first equipment in the second equipment in control system, second equipment and the digital monitor system by regarding
Frequency data transmission channel is connected, and described device includes：
Second firmware data obtains module, and the video data transmission is passed through by first equipment for obtaining
The firmware data that passage is sent, wherein, the firmware data includes the firmware upgrade in second equipment
Required data, and the firmware data is that first equipment is transmitted after firmware data is obtained；
Upgraded module, for according to the firmware data, upgrading to the firmware.
Further, in said apparatus, the firmware data be first equipment obtain firmware data and
The firmware data is write transmitted after video data storage region.
Further, in said apparatus, the firmware data is after digital serial interface SDI stringizations
Data, wherein, described device also includes：Digital serial interface SDI unstrings module；Wherein,
SDI modules of unstringing are used to carrying out SDI to the firmware data that is obtained unstringing；
The upgraded module specifically for being unstringed according to SDI after firmware data, firmware is upgraded.
Further, in said apparatus, the firmware data includes：Verification data, described device is also wrapped
Include：
Operation result obtains module, for the remainder data in the firmware data to acquisition in addition to verification data
Carry out and computing, obtain operation result；
Judge module, for whether identical according to operation result and verification data in the firmware data that reads
To judge whether the firmware data obtained is accurate, if it is determined that the firmware data obtained is accurate, then according to described
Firmware data, upgrades to firmware.
Another further aspect, the embodiment of the present invention additionally provides a kind of digital monitor system, including：First equipment and
Second equipment；Wherein,
First equipment is connected by video data transmission passage with second equipment；
First equipment is used to obtain firmware data, and the firmware data is passed by the video data
Defeated passage is sent to second equipment, wherein, the firmware data includes the firmware of second equipment
Data needed for being upgraded；
Second equipment is used to upgrade to firmware according to the firmware data received.
The embodiments of the invention provide a kind of firmware data transmission method, device and a kind of digital supervision system
System.Wherein, the first equipment that this method can apply in digital monitor system, the first equipment is supervised with numeral
The second equipment in control system is connected by video data transmission passage, and this method comprises the following steps：Obtain
Firmware data, wherein, firmware data include the second equipment firmware upgraded needed for data；Will be solid
Number of packages by video data transmission passage according to the second equipment is sent to, so that the second equipment is according to firmware data pair
Firmware is upgraded.As can be seen that in the embodiment of the present invention, the upgrading of firmware need not lead in the second equipment
Cross the physical channel of special transmission firmware data to realize, directly by between the first equipment and the second equipment
It is originally used for the video data transmission passage of transmitting video data, it is not necessary to connect up in addition, therefore upgrading behaviour
Implement very convenient, while also reducing the cost of upgrading.Further, since video data transmission is logical
The bandwidth in road can typically reach 1.5Gbps, and it is much larger than the thing for being used to transmit firmware data in the prior art
The bandwidth of passage is managed, therefore, the time for being used to transmit firmware data compared with prior art, in the present invention will
It can greatly shorten, the efficiency of transmission of firmware data will be greatly improved, correspondingly, be spent needed for firmware upgrade
Time also can correspondingly shorten, so as to enormously simplify the upgrade maintenance of firmware.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to implementing
The accompanying drawing used required in example or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the flow of the firmware data transmission method provided in an embodiment of the present invention for being applied to the first equipment
Figure；
Fig. 2 is in the embodiment of the present invention, the data in the video output buffer of the first equipment is filling in firmware
Composition figure before data；
Fig. 3 is in the embodiment of the present invention, the data in the video output buffer of the first equipment is filling in firmware
Composition figure after data；
Fig. 4 is the schematic diagram upgraded by DVR to display；
Fig. 5 is the structural frames of the firmware data transmitting device provided in an embodiment of the present invention for being applied to the first equipment
Figure；
Fig. 6 is the flow of the firmware data transmission method provided in an embodiment of the present invention for being applied to the second equipment
Figure；
Fig. 7 is the structural frames of the firmware data transmitting device provided in an embodiment of the present invention for being applied to the second equipment
Figure；
Fig. 8 is the structural representation of digital monitor system provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that is obtained, belong to the scope of protection of the invention.
The embodiments of the invention provide two kinds of firmware data transmission methods, two kinds of firmware data transmitting devices and
A kind of digital monitor system, one of which method and apparatus are applied to the first equipment, another method and apparatus
Applied to the second equipment.
Wherein, the first equipment can be connected with the second equipment by video data transmission passage.The present embodiment
In, the first equipment can be the rear end equipment in digital monitor system, and the second equipment can be digital supervision system
Headend equipment in system, video data transmission passage can be used for the coaxial cable of transmitting video data for one,
Such as CVBS (Composite Video Broadcast Signal, Composite Video Baseband Signal) passage etc..Typically
For, the transmission bandwidth for the coaxial cable of transmitting video data is very big, i.e., above-mentioned video data transmission
The bandwidth of passage is very big, and it is far longer than is used for the band for transmitting the physical channel of firmware data in the prior art
Width, also, the transmission range of the coaxial cable is also far, it might even be possible to reaches hundreds of meters.Video data exists
It is one-way transmission in the video data transmission passage, video data is typically from the first equipment to the second equipment
It is transmitted.When it is implemented, the first equipment can for DVR (Digital Video Recorder, firmly
Disk video recorder) or video synthesis platform, the second equipment can be such as display screen or display matrix
Video display devices, so, video data are typically shown to video from DVR or video synthesis platform and filled
Put and be transmitted, without being transmitted from video display devices to DVR or video synthesis platform.
Below, first correspond to illustrate for the firmware data transmission method of the first equipment.
Referring to Fig. 1, the flow chart of firmware data transmission method provided in an embodiment of the present invention is shown in figure.
In the first equipment that this method can apply in digital monitor system, the first equipment and digital monitor system
Second equipment is connected by video data transmission passage.As shown in figure 1, this method comprises the following steps：
Step S101, reads firmware data, wherein, the firmware that firmware data includes the second equipment is risen
Data needed for level.
Wherein, can have the CPU and the first video processing module integrated, first in the first equipment
Video processing module has video processing function.Specifically, firmware data can be read into it by the first equipment
In internal CPU cache.
Step S102, is sent to the second equipment, so that second by firmware data by video data transmission passage
Equipment is upgraded according to firmware data to firmware.
When it is implemented, can have CPU, the second video processing module and memory cell in the second equipment,
CPU and the second video processing module are integrated, and memory cell is connected with CPU, the second Video processing mould
With video processing function.Second equipment can receive solid by its internal frame frame of CPU mono- or a place
The firmware data, is then written in memory cell by number of packages evidence online, the firmware data is replaced storage single
Original firmware data in first, this completes the renewal of fixed data, so as to complete and the firmware number
According to the upgrading of corresponding firmware.
As can be seen that in the embodiment of the present invention, the upgrading of firmware need not pass through special biography in the second equipment
The physical channel of defeated firmware data is realized, directly by being originally used between the first equipment and the second equipment passing
The video data transmission passage of defeated video data, it is not necessary to connect up in addition, therefore updating operation is implemented
It is very convenient, while also reducing the cost of upgrading.Further, since the bandwidth one of video data transmission passage
As can reach 1.5Gbps, its much larger than in the prior art be used for transmit firmware data physical channel band
Width, therefore, compared with prior art, will be greatly shortened in the present invention for transmitting the time of firmware data,
The efficiency of transmission of firmware data will be greatly improved, correspondingly, and the time spent needed for firmware upgrade also can phase
Ground is answered to shorten, so as to enormously simplify the upgrade maintenance of firmware.
In the present embodiment, before firmware data is sent into the second equipment by video data transmission passage,
This method can also include：
Firmware data is written to the video data storage region of the first equipment.
At this moment, firmware data is sent to the second equipment by video data transmission passage, including：
Firmware data in video data storage region is sent to the second equipment by video data transmission passage.
In the present embodiment, there can be a video output buffer in the first video processing module, the video frequency output delays
Rushing has video data storage region in device, the region typically acquiescence is used for storing video data.Obtaining firmware
After data, firmware data can be read into its internal CPU cache by the first equipment, then,
Firmware data in CPU cache can be written to video data storage with a frame frame or a place
Area, before firmware data is written to the region, has some invalid data in video data storage region,
After firmware data is written to the region, firmware data will replace these originally invalid data, due to
Video data storage region is typically that acquiescence is used for storing video data, if other kinds of data are inserted into this
In region, then other kinds of data can also be defaulted as video data.Therefore, when firmware data inserts this
After in region, firmware data will be defaulted as video data, i.e. firmware data and successfully pretend for video
Data, therefore the firmware data of disguise as video data can be successfully in video data in video data storage region
Transmitted in transmission channel, and be finally sent to the second equipment, so that the second equipment is entered according to the firmware data
Row upgrading.
It should be noted that can also be stored with video data storage region horizontal blanking data and field blanking number
According to now, the firmware data in video data storage region being sent into second by video data transmission passage
Equipment, so that the second equipment is upgraded according to firmware data to firmware, including：
Using the horizontal blanking data and field blanking data in video data storage region, generation is deposited comprising video data
The video data bag of firmware data in storage area；
Video data bag is sent to the second equipment by video data transmission passage so that the second equipment from regarding
Firmware data is extracted in frequency packet, and firmware is upgraded according to firmware data.
Specifically, before firmware data is written into video data storage region, as shown in Fig. 2 video counts
According in memory block have horizontal blanking data field, field blanking data field and effective row data field, horizontal blanking data field
With horizontal blanking data, field blanking data field has field blanking data, and effective row data field is invalid for some
Data.Wherein, there are the data for being used for synchronous and timing in horizontal blanking data and field blanking data.Such as Fig. 3
Shown, after firmware data to be write to effective row data area, it is originally invalid that firmware data will replace these
Data, to realize the camouflage of firmware data, also, horizontal blanking data, field blanking data and firmware data three
Person can generate a video data bag, and the video data bag can be exported from video output buffer, and then this is regarded
Frequency packet can be sent to the second equipment through video data transmission passage, in whole transmission process, and row disappears
Being used for the data of synchronous and timing in hidden data and field blanking data can ensure video data bag in video counts
According to the smooth transmission in transmission channel.For the second equipment, its internal CPU can be with a frame frame or one
Place receives video data bag, and extracts from the video data firmware number of disguise as video data
According to while abandoning horizontal blanking data and field blanking data, it is single that the firmware data is finally written into storage online
In member, the firmware data is set to replace original firmware data in memory cell, this completes fixed data
Renewal, so as to complete the upgrading of the firmware corresponding with the firmware data.
Further, in above-described embodiment, the firmware data in video data storage region is being passed through into video counts
It is sent to according to transmission channel before the second equipment, this method can also include：
Digital serial interface SDI stringizations are carried out to the firmware data in video data storage region；
Firmware data in video data storage region is sent to the second equipment by video data transmission passage,
Including：
The firmware data after SDI stringizations will be carried out in video data storage region to send out by video data transmission passage
Give the second equipment.
In the present embodiment, firmware data in video data storage region generally by a parallel output interface from
Exported in video output buffer, the firmware data exported at this is parallel data, and in video data transmission
The data of transmission are needed for serial data in passage, thus by firmware data inputting video data transmission channel it
It is preceding, it is necessary to firmware data carry out SDI stringizations.Wherein, the SDI stringizations process can pass through a SDI stringizations
Device is realized.When it is implemented, the SDI serializers can be a SDI stringization chips, the SDI stringization chips
Can be integrated in the first equipment, by firmware data after the input of the SDI input ports of SDI stringization chips,
SDI stringizations chip can be converted to parallel firmware data serial data signal, and according to sdi signal mark
Standard, time synchronizing signal is inserted into data signal, then by the data signal from the SDI of SDI stringization chips
Output port is exported, then again will be after SDI stringizations this completes the SDI stringization processes of firmware data
Firmware data the second equipment is sent to by video data transmission passage.
It should be noted that in addition to being integrated in the first equipment, SDI stringizations chip, which can also be located at, to be regarded
Frequency data transmission channel is close to that one end of the first equipment, and so, the first equipment first exports parallel firmware number
According to then firmware data is carried out by video data transmission passage again after completing SDI stringizations through SDI stringizations chip
Transmission.
Because the first equipment is believed by video data transmission channel transfer to second equipment for serial numeral
Number, the second equipment directly can not upgrade according to the data signal to the second equipment, and if desired firmware is entered
Row upgrading, then need first to unstring to data signal progress SDI.Wherein, the SDI processes of unstringing can pass through
One SDI deserializer are realized.Chip, the SDI when it is implemented, the SDI deserializers can unstring for a SDI
The chip that unstrings can be integrated in the second equipment.For the second equipment, its data signal received from
After the SDI input ports input of SDI deserializers, the SDI chips that unstring can be converted to serial data signal
Parallel data signal, and time synchronizing signal is peeled off from the parallel data signal, finally give solid
Number of packages evidence, and by the firmware data from SDI unstring chip SDI output ports export, this completes
SDI unstrings process.
If the firmware data in video data storage region is only sent to the second equipment by the first equipment, then warp
Only there is firmware data, the second equipment directly reads the data and counts this in the data that SDI is obtained after unstringing
According to can just upgrade in write storage unit to firmware.If the first equipment will be disappeared by horizontal blanking data, field
The video data bag of hidden data and firmware data three composition is sent to the second equipment, then after being unstringed through SDI
While having horizontal blanking data, field blanking data and firmware data, at this moment, the second equipment in obtained data
Firmware data will be only extracted, while horizontal blanking data and field blanking data are abandoned, finally according to firmware data pair
Firmware is upgraded.
It should be noted that except being integrated in the second equipment, the SDI chips that unstring can also be located at video counts
According to transmission channel close to that one end of the second equipment, the serial number so exported by video data transmission passage
It is believed that number first can complete SDI through the SDI chips that unstring and unstring process, the second equipment is then transmitted further to.
It should be noted that the first equipment is in addition to can be for DVR or video synthesis platform, can also
For other sdi signal decoding apparatus, the second equipment is in addition to for video display devices, or its
His sdi signal code device, the first equipment and the second equipment are specially which kind of dress in digital monitor system
Putting can determine according to actual conditions, and the present embodiment does not do any restriction to this.
In above-described embodiment, the firmware data that the second equipment is obtained is not necessarily accurate, therefore also needs to set to second
The accuracy of the standby firmware data obtained is verified.
In order to judge the accuracy for the firmware data that the second equipment is obtained, firmware data can be carried out and school
Test.Specifically, before firmware data is write into the video data storage region of the first equipment, this method may be used also
With including：
Data in firmware data are carried out and computing, obtain operation result, regard operation result as check number
According to；
Verification data is added into firmware data；
Firmware data is written to the video data storage region of the first equipment, including：
Firmware data added with verification data is written to the video data storage region of the first equipment.
It is described in detail below pair with the specific implementation process of verification.
If firmware data includes 4 data, and respectively 1,2,3,4, this four data can be entered
This four data, i.e., be added, obtain 10, the data are verification data by row and computing.Then by the school
Test data to be added in initial firmware data, five data at this moment will be included in firmware data.Then,
This five data are received through SDI stringizations, transmission and SDI processes of unstringing by the second equipment successively, the second equipment
Preceding four data in five data that can be received to it are carried out and computing, obtain an operation result, so
The 5th data that the operation result is got with it afterwards, such as 10 are compared, if both are identical,
Illustrate that the firmware data that the second equipment is obtained is very accurate, firmware is updated i.e. then according to the data
Can, if both are different, illustrate that the firmware data that the second equipment is obtained is inaccurate, now can be again by the
One equipment transmits firmware data to the second equipment, until the acquisition of the second equipment is right again for accurate firmware data
Firmware is upgraded.
It should be noted that except with by way of verification come realize firmware data accuracy verification it
Outside, it can also be verified using even-odd check or other modes well-known to those skilled in the art,
Specific verification mode can determine that the present embodiment does not do any restriction to this according to actual conditions.
With reference to Fig. 4, the firmware in display 2 is upgraded with DVR 1 (i.e. DVR)
The specific implementation process of the embodiment of the present invention is described in detail exemplified by situation.
As shown in figure 4, DVR 1 can have CPU1 (not shown)s and SDI stringizations chip 3,
The first video processing module can be integrated with CPU1.Display 2 can have CPU2 and SDI unstring chip
The second video processing module can be integrated with 4, CPU2.Wherein, VPORT1 is the one of DVR 1
Individual interface.SDI stringizations chip 3 can be model GV7600 string chip, and SDI unstrings chip 4 can be with
The model GV7601 chip that unstrings, certainly, SDI stringizations chip 3 and SDI unstring chip 4 chip simultaneously
Not limited to this, can specifically be determined, the present embodiment does not do any restriction to this according to actual conditions.As schemed
Shown in 4, CPU1 can first read the data in display 2 needed for firmware upgrade, then by firmware data one
It is written in the video output buffer in the first video processing module, then from the defeated of the buffer frame frame
The frame frame of exit port one ground parallel output, at this moment, the data of output are included by horizontal blanking data, field blanking number
According to the video data bag constituted with firmware data three, also, data in the video data bag are parallel
Data.Then parallel firmware data is converted into by SDI stringizations chip 3 by serial data signal, and pressed
According to sdi signal standard, time synchronizing signal is inserted into data signal, to complete the SDI stringizations of data.Connect
By CVBS passages and the data after SDI stringizations be sent to CPU2, then SDI unstring chip 4 can be by
Serial data signal is converted to parallel data signal and splitting time synchronizing signal, then abandons through SDI
Horizontal blanking data and field blanking data in video data bag after unstringing, only extract firmware number therein
According to, and the firmware data is written to the plug-in NAND fLASh of CPU (one kind in fLASh internal memories)
In, so that the firmware data of write-in replaces original firmware data, so as to complete the renewal of firmware data, most
The upgrading of firmware is completed eventually.
To sum up, firmware data transmission method provided in an embodiment of the present invention reduces the cost of firmware upgrade, together
When significantly shorten time needed for firmware upgrade.
Then, the firmware data transmitting device applied to the first equipment is illustrated.
Referring to Fig. 5, the structured flowchart of firmware data transmitting device provided in an embodiment of the present invention is shown in figure.
In the first equipment that the device can apply in digital monitor system, the first equipment and digital monitor system
Second equipment is connected by video data transmission passage.As shown in figure 5, the device includes：
First firmware data obtains module 51, for obtaining firmware data, wherein, firmware data includes the
The firmware of two equipment upgraded needed for data；
Video data sends module 52, for firmware data to be sent into second by video data transmission passage
Equipment, so that the second equipment is upgraded according to firmware data to firmware.
Wherein, the specific implementation process of the device is with reference to the specific implementation process in above method embodiment
Can, it will not be repeated here.
Because the firmware data transmission method applied to the first equipment has above-mentioned technique effect, therefore based on the party
The device of method also has corresponding technique effect.
Further, said apparatus also includes：Writing module；Wherein,
Writing module is used for the video data storage region that firmware data is written to the first equipment；
Video data sends module specifically for the firmware data in video data storage region is passed through into video counts
The second equipment is sent to according to transmission channel.
Further, said apparatus also includes：Digital serial interface SDI stringization modules；Wherein,
SDI stringizations module is used to carry out digital serial interface SDI to the firmware data in video data storage region
Stringization；
Video data sends module specifically for will carry out the firmware number after SDI stringizations in video data storage region
The second equipment is sent to according to by video data transmission passage.
Further, said apparatus also includes：Verification data obtains module and verification data add module；Its
In,
Verification data, which obtains module, to be used to carry out and computing the data in firmware data, obtains operation result,
It regard operation result as verification data；
Verification data add module is used to add verification data into firmware data；
Writing module is specifically for the firmware data added with verification data to be written to the video of the first equipment
Data storage area.
Further, in said apparatus, video data storage region internal memory contains horizontal blanking data and field blanking number
According to, wherein,
Video data, which sends module, to be included：
Video data bag generation module, for utilizing the horizontal blanking data in video data storage region and field blanking
Data, generation includes the video data bag of the firmware data in video data storage region；
Video data bag sending module, for video data bag to be sent into by video data transmission passage
Two equipment, so that the second equipment extracts firmware data from video data bag, and according to firmware data to firmware
Upgraded.To sum up, firmware data transmitting device provided in an embodiment of the present invention reduce firmware upgrade into
This, while the time needed for significantly shortening firmware upgrade.
Below, the firmware data transmission method applied to the second equipment is illustrated.
Referring to Fig. 6, the flow chart of firmware data transmission method provided in an embodiment of the present invention is shown in figure.
In the second equipment that this method can apply in digital monitor system, the second equipment and digital monitor system
First equipment is connected by video data transmission passage.As shown in fig. 6, this method comprises the following steps：
Step S601, obtains the firmware data sent by the first equipment by video data transmission passage, wherein,
Firmware data includes the data needed for the firmware upgrade in the second equipment, and firmware data is that the first equipment exists
Transmitted by after acquisition firmware data；
Step S602, according to firmware data, upgrades to firmware.
As can be seen that in the embodiment of the present invention, the firmware in the second equipment carries out upgrading need not be by special
The physical channel of transmission firmware data realize, directly transmit firmware number by video data transmission passage
According to, thus firmware data transmission method provided in an embodiment of the present invention greatly reduce firmware upgrade into
This, while also significantly shortening the time needed for firmware upgrade.
In the present embodiment, firmware data is that the first equipment is obtaining firmware data and firmware data is write into video
Transmitted by after data storage area.So, firmware data is writing the video data storage region of the first equipment
In after will successfully disguise as video data so that firmware data can be successfully in video data transmission
Transmitted in passage.
Further, in the above method, firmware data is the data after digital serial interface SDI stringizations,
Wherein,
According to firmware data, before upgrading to firmware, this method also includes：
SDI is carried out to the firmware data obtained to unstring；
According to firmware data, firmware is upgraded, including：
Firmware data after being unstringed according to SDI, upgrades to firmware.
Further, in the above method, firmware data includes：Verification data is right according to firmware data
Before firmware is upgraded, this method also includes：
Remainder data in the firmware data of acquisition in addition to verification data is carried out and computing, obtain computing knot
Really；
Whether verification data in operation result and the firmware data that reads is identical to judge what is obtained
Whether firmware data is accurate, if it is determined that the firmware data obtained is accurate, then performs according to firmware data, right
Firmware is upgraded.
To sum up, firmware data transmitting device provided in an embodiment of the present invention reduces the cost of firmware upgrade, together
When significantly shorten time needed for firmware upgrade.
The firmware data transmitting device applied to the second equipment is illustrated below.
Referring to Fig. 7, the structured flowchart of firmware data transmitting device provided in an embodiment of the present invention is shown in figure.
In the second equipment that the device can apply in digital monitor system, the second equipment and digital monitor system
First equipment is connected by video data transmission passage.As shown in fig. 7, the device includes：
Second firmware data obtains module 71, is sent out for obtaining by the first equipment by video data transmission passage
The firmware data sent, wherein, firmware data includes the data needed for the firmware upgrade in the second equipment, and
Firmware data is that the first equipment is transmitted after firmware data is obtained；Upgraded module 72, for according to solid
Number of packages evidence, upgrades to firmware.
Because the firmware data transmission method applied to the second equipment has the effect above, therefore based on this method
Device also has corresponding technique effect, will not be repeated here.
Further, said apparatus, firmware data, which is the first equipment, is obtaining firmware data and by firmware data
Transmitted by after write-in video data storage region.
Further, in said apparatus, firmware data is the data after digital serial interface SDI stringizations,
Wherein, the device also includes：Digital serial interface SDI unstrings module；Wherein, SDI unstring module be used for pair
The firmware data of acquisition carries out SDI and unstringed；
Upgraded module specifically for being unstringed according to SDI after firmware data, firmware is upgraded.
Further, in said apparatus, firmware data includes：Verification data, the device also includes：
Operation result obtains module, for the remainder data in the firmware data to acquisition in addition to verification data
Carry out and computing, obtain operation result；
Judge module, for whether identical according to operation result and verification data in the firmware data that reads
To judge whether the firmware data obtained is accurate, if it is determined that the firmware data obtained is accurate, then according to firmware
Data, upgrade to firmware.To sum up, firmware data transmitting device provided in an embodiment of the present invention is reduced
The cost of firmware upgrade, while the time needed for significantly shortening firmware upgrade.
Finally digital monitor system provided in an embodiment of the present invention is illustrated.
Referring to Fig. 8, the structural representation of digital monitor system provided in an embodiment of the present invention is shown in figure.
As shown in figure 8, the digital monitor system includes：First equipment 81 and the second equipment 83.Wherein, first set
Standby 81 are connected by video data transmission passage 82 with the second equipment 83.First equipment 81 is used to obtain firmware
Data, and firmware data is sent to the second equipment 83 by video data transmission passage 82, wherein, firmware
Data include the second equipment 83 firmware upgraded needed for data.Second equipment 83 is used for according to reception
To firmware data firmware is upgraded.
As can be seen that in the embodiment of the present invention, the firmware in the second equipment 83, which carries out upgrading, to be passed through
The physical channel of special transmission firmware data is realized, is directly passed by video data transmission passage 82
Defeated firmware data, therefore for digital monitor system provided in an embodiment of the present invention, the second equipment 83
The upgrade cost of interior firmware will be substantially reduced, also, the time needed for the firmware upgrade can also contract significantly
It is short.
It should be noted that herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these
There is any this actual relation or order between entity or operation.Moreover, term " comprising ", " bag
Containing " or any other variant thereof is intended to cover non-exclusive inclusion, so that including a series of key elements
Process, method, article or equipment not only include those key elements, but also including being not expressly set out
Other key elements, or also include for this process, method, article or the intrinsic key element of equipment.
In the case of there is no more limitations, the key element limited by sentence "including a ...", it is not excluded that including
Also there is other identical element in process, method, article or the equipment of the key element.
Each embodiment in this specification is described by the way of related, identical phase between each embodiment
As part mutually referring to, what each embodiment was stressed be it is different from other embodiment it
Place.For system embodiment, because it is substantially similar to embodiment of the method, so description
Fairly simple, the relevent part can refer to the partial explaination of embodiments of method.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the protection model of the present invention
Enclose.Any modification, equivalent substitution and improvements made within the spirit and principles of the invention etc., are wrapped
Containing within the scope of the present invention.
Claims (12)
1. a kind of firmware data transmission method, it is characterised in that applied to first in digital monitor system
Equipment, first equipment passes through video data transmission passage with the second equipment in the digital monitor system
Connection, methods described comprises the following steps：
Firmware data is obtained, wherein, the firmware that the firmware data includes second equipment is upgraded
Required data；
The firmware data is sent to second equipment by the video data transmission passage, so that institute
The second equipment is stated to upgrade to firmware according to the firmware data.
2. the method as described in claim 1, it is characterised in that
It is described by the firmware data by the video data transmission passage be sent to second equipment it
Before, methods described also includes：
The firmware data is written to the video data storage region of first equipment；
It is described that the firmware data is sent to second equipment by the video data transmission passage, bag
Include：
Firmware data in the video data storage region is sent to by the video data transmission passage
Second equipment.
3. method as claimed in claim 2, it is characterised in that described by the video data storage region
Firmware data be sent to by the video data transmission passage before second equipment, methods described is also
Including：
Digital serial interface SDI stringizations are carried out to the firmware data in the video data storage region；
The firmware data by the video data storage region is sent out by the video data transmission passage
Second equipment is given, including：
The firmware data after SDI stringizations will be carried out in the video data storage region to pass by the video data
Defeated passage is sent to second equipment.
4. method as claimed in claim 2, it is characterised in that described that firmware data write-in is described
Before the video data storage region of first equipment, methods described also includes：
Data in the firmware data are carried out and computing, obtain operation result, the operation result is made
For verification data；
The verification data is added into the firmware data；
The video data storage region that the firmware data is written to first equipment, including：
Firmware data added with the verification data is written to the video data storage of first equipment
Area.
5. the method as any one of claim 1-4, it is characterised in that the video data storage
Area's internal memory contains horizontal blanking data and field blanking data, wherein,
The firmware data by the video data storage region is sent out by the video data transmission passage
Second equipment is given, so that second equipment is upgraded according to the firmware data to firmware, bag
Include：
Utilize the horizontal blanking data and the field blanking data in the video data storage region, generation bag
Video data bag containing the firmware data in the video data storage region；
The video data bag is sent to second equipment by the video data transmission passage, so that
Second equipment extracts the firmware data from the video data bag, and according to the firmware data pair
Firmware is upgraded.
6. a kind of firmware data transmitting device, it is characterised in that applied to first in digital monitor system
Equipment, first equipment passes through video data transmission passage with the second equipment in the digital monitor system
Connection, described device includes：
First firmware data obtains module, for obtaining firmware data, wherein, the firmware data includes
The firmware of second equipment upgraded needed for data；
Video data sends module, for the firmware data to be sent by the video data transmission passage
To second equipment, so that second equipment is upgraded according to the firmware data to firmware.
7. a kind of firmware data transmission method, it is characterised in that applied to second in digital monitor system
Equipment, second equipment passes through video data transmission passage with the first equipment in the digital monitor system
Connection, methods described comprises the following steps：
The firmware data sent by first equipment by the video data transmission passage is obtained, wherein,
The firmware data includes the data needed for the firmware upgrade in second equipment, and the firmware data
For first equipment after firmware data is obtained it is transmitted；
According to the firmware data, firmware is upgraded.
8. method as claimed in claim 7, it is characterised in that the firmware data is first equipment
Transmitted by after obtaining firmware data and the firmware data is write to video data storage region.
9. method as claimed in claim 7, it is characterised in that the firmware data is to pass through data serial
Data after interface SDI stringizations, wherein,
It is described according to the firmware data, before upgrading to firmware, methods described also includes：
SDI is carried out to the firmware data obtained to unstring；
It is described that firmware is upgraded according to the firmware data, including：
Firmware data after being unstringed according to SDI, upgrades to firmware.
10. method as claimed in claim 7, it is characterised in that the firmware data includes：Verification
Data, described according to the firmware data, before upgrading to firmware, methods described also includes：
Remainder data in the firmware data of acquisition in addition to verification data is carried out and computing, obtain computing knot
Really；
Whether verification data in operation result and the firmware data that reads is identical to judge what is obtained
Whether firmware data is accurate, if it is determined that the firmware data obtained is accurate, then performs described according to the firmware
Data, upgrade to firmware.
11. a kind of firmware data transmitting device, it is characterised in that applied to second in digital monitor system
Equipment, second equipment passes through video data transmission passage with the first equipment in the digital monitor system
Connection, described device includes：
Second firmware data obtains module, and the video data transmission is passed through by first equipment for obtaining
The firmware data that passage is sent, wherein, the firmware data includes the firmware upgrade in second equipment
Required data, and the firmware data is that first equipment is transmitted after firmware data is obtained；
Upgraded module, for according to the firmware data, upgrading to firmware.
12. a kind of digital monitor system, it is characterised in that including：First equipment and the second equipment；Wherein,
First equipment is connected by video data transmission passage with second equipment；
First equipment is used to obtain firmware data, and the firmware data is passed by the video data
Defeated passage is sent to second equipment, wherein, the firmware data includes the firmware of second equipment
Data needed for being upgraded；
Second equipment is used to upgrade to firmware according to the firmware data received.
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