CN110442482A - A kind of the mistake proofing framework and its control method of high-speed industrial camera firmware - Google Patents
A kind of the mistake proofing framework and its control method of high-speed industrial camera firmware Download PDFInfo
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- CN110442482A CN110442482A CN201910699616.5A CN201910699616A CN110442482A CN 110442482 A CN110442482 A CN 110442482A CN 201910699616 A CN201910699616 A CN 201910699616A CN 110442482 A CN110442482 A CN 110442482A
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- firmware
- industrial camera
- flash rom
- switch
- emmc
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1415—Saving, restoring, recovering or retrying at system level
- G06F11/1441—Resetting or repowering
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
- G06F11/2094—Redundant storage or storage space
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
- G06F8/66—Updates of program code stored in read-only memory [ROM]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Software Systems (AREA)
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Abstract
Present invention discloses a kind of mistake proofing framework of high-speed industrial camera firmware and its control methods, the kernel processor chip of industrial camera is connected to the ROM of firmware storage, it is characterized by: the kernel processor chip connects EMMC by EMMC interface, conventional use of first Flash ROM and the 2nd spare Flash ROM are connected by SPI interface, wherein EMMC internal cutting is equipped with the segment space for storing, updating the respective firmware information Check SUM of two Flash ROM, and is equipped between kernel processor chip and two Flash ROM and selects the physical switch that a property is connected to.Application implementation mistake proofing framework of the invention and its control method are improved by the principle that firmware stores redundancy, can improve current risk of equipment damage, it is ensured that equipment firmware probability of damage is minimum, avoids equipment replacement and reduces the cost of plant maintenance.
Description
Technical field
The present invention relates to high-speed industrial camera field more particularly to it is a kind of be related to based on firmware storage scheme improve running
System and its control method.
Background technique
High-speed industrial camera applications scene is higher to environmental requirement, if high-low temperature difference is away from big, changes of magnetic field is complicated, vibration is acute
It is strong.Therefore the industrial camera service life will receive a degree of influence, and the maintenance of industrial equipment brings huge challenge to engineer.
Meanwhile usual industrial equipment is once you start working, usually requires that it is fault-free continuous service, but is inevitable that there are several
Forthright overhaul of the equipments, maintenance, if What is more more exchange device, the cost input faced is also huge.It needs to illustrate
It is that high-speed industrial camera is only the ambiguity address that image capture and processing capacity are carried out to camera itself, industrial application
In be different from
The kernel processor chips such as ARM, FPGA are had in usual high-speed industrial camera, and corresponding core chips needs to have firmware
The ROM of storage is also used for storage parameter for load image Processing Algorithm, logical operation after system starting.Previous design is thought
Road, the SPI interface of ARM, FPGA are directly connected to Flash ROM, EMMC interface is directly connected to EMMC.
For industry storage, reading and writing ROM repeatedly is a kind of normality, and the important parameter information stored is to become in real time
Change.If only being controlled with the mode of software and switching different storage ROM, in the case where of less demanding for storage content variation
It is feasible.But when for industry and requirements above, switching, which has been only to ensure that after occurring extremely, is also able to maintain normal work
A possibility that making.In industry and use above scene, the firmware parameters of storage are real-time changes, then the loss of parameter
Mean loss be huge, while be also it is irreversible, equipment state can not accomplish continuity, do not meet reality application
Demand.
Therefore, how to extend the storage of the service life of industrial equipment, especially firmware, read stability can currently be solved
Main problem certainly.
Summary of the invention
In order to solve the above technical problems, the purpose of the present invention is intended to provide a kind of mistake proofing framework of high-speed industrial camera firmware
And its control method, integrality, the continuity of parameter are kept to ensure high-speed industrial camera in application scenarios.
A kind of one technical solution of present invention realization above-mentioned purpose are as follows: mistake proofing frame of high-speed industrial camera firmware
Structure, the kernel processor chip of industrial camera are connected to the ROM of firmware storage, it is characterised in that: the kernel processor chip passes through
EMMC interface connects EMMC, connects conventional use of first Flash ROM and the 2nd spare Flash ROM by SPI interface,
And it is equipped between kernel processor chip and two Flash ROM and selects the physical switch that a property is connected to.
Further, the EMMC internal cutting is equipped with for storing, updating two Flash ROM respectively firmware information
The segment space of Check SUM.
Further, the physical switch is physical switches, manipulates the mechanical switch switched, remotely quilt including artificial scene
The electric mechanical switch of dynamic signal driving triggering switching.
Further, the mechanical switch be at least button switch, fork shift switch or it is exclusive correspond to producing line operator,
The finger-print switch of upkeep operation person.
Further, the mechanical part of the electric mechanical switch includes push-button contact, fork shift contact, fingerprint contact or magnetic touching
Point, and the driving end Long-range links of various contacts are to upper control host.
Another technical solution of present invention realization above-mentioned purpose are as follows: the mistake proofing controlling party of high-speed industrial camera firmware
Method is realized based on mistake proofing framework described in claim 1, characterized by comprising:
S1, system access power supply electrifying；
S2, the starting of high-speed industrial camera, kernel processor chip is from the first Flash ROM loading system firmware；
The firmware information that the ROM firmware information and the first Flash ROM backed up in S3, kernel processor chip comparison EMMC is loaded
Check SUM, and it is synchronous to carry out data；
After S4, synchronous firmware if firmware information unanimously if be transferred to S7, update firmware event request if it exists, then the first Flash
ROM firmware update simultaneously generates corresponding Check SUM；
S5, kernel processor chip compare the firmware that the ROM firmware information backed up in EMMC and the first Flash ROM are loaded again
Information Check SUM；
S6, if firmware information unanimously if be transferred to S7, if comparison is inconsistent, the firmware of the first Flash ROM is synchronized to EMMC
It is interior, and the ROM firmware information backed up in EMMC is updated, it is transferred to S7；
S7, system worked well；
S8, when the first Flash ROM physical damage can not loading firmware, then operating physical switching to the 2nd Flash ROM
Connection access kernel processor chip restarts high-speed industrial camera and repeats to correspond to the identical control of the first Flash ROM in S2-S6
Process is transferred to S7.
Further, it is characterised in that the process of operating physical switch are as follows: operator reaches scene, and by manually actuated
Button, overturning driving lever or the mode switching entity switch state for inputting fingerprint signal.
Further, it is characterised in that the process of operating physical switch are as follows: operator operates upper control host in computer room,
End output instruction signal, various contact electomechanical responses and switching entity switch state are driven to the electric mechanical switch of Long-range links.
Compared with prior art, the application implementation of mistake proofing framework of the present invention and its control method has substance outstanding
Feature and significant progress: it is improved by the principle that firmware stores redundancy, current risk of equipment damage can be improved, really
It is minimum to protect equipment firmware probability of damage, avoids equipment replacement and reduces the cost of plant maintenance.
Detailed description of the invention
Fig. 1 is the mistake proofing configuration diagram of high-speed industrial camera firmware of the present invention.
Fig. 2 is the control method flow chart based on framework shown in Fig. 1.
Specific embodiment
The innovative characteristics of technical solution of the present invention and embodiment are described in further detail with reference to the accompanying drawing.
The present invention provides a kind of mistake proofing framework of high-speed industrial camera firmware and its control method, general introduction is named as redundancy
Mechanism.It is shown in Figure 1, it is a kind of hardware structure based on high-speed industrial camera firmware error protection redundancy mechanism provided by the invention
Schematic diagram；The system include kernel processor chip ARM/FPGA, physics switching switch and a variety of ROM, every kind of ROM effect with
And storage content is all not quite similar.Kernel processor chip connects EMMC by EMMC interface, connects conventional use by SPI interface
The first Flash ROM and the 2nd spare Flash ROM, and kernel processor chip and two Flash ROM it is indirectly
Equipped with the physical switch for selecting property connection.
From the point of view of decomposing, wherein kernel processor chip 1 includes ARM, FPGA.High-speed industrial camera is adopted by cmos sensor
Collect initial data, and be transferred to the synthesis processing that FPGA does data, restores captured picture；Finally passing to ARM again does number
According to analysis processing.And EMMC2 is used for the storage core of system synthesis picture, ARM/FPGA complete respective processing task it
Afterwards, by picture in need or data carry out temporary storage, facilitate subsequent calling and compare.And the present invention is based on height
In fast industrial camera firmware error protection redundancy mechanism, in a part of memory space of EMMC2 internal cutting for backing up, updating consolidating for ROM
Part.Check SUM is generated when Flash ROM firmware updates, while updating the backup firmware being stored in inside EMMC.
Physical switch 5 is core component when system reply is unable to run, and is physical switches.High-speed industrial camera system
When normal work, which is in suspended state.Only in the case that system is unable to operate normally or in maintenance
When can operate switching so that the firmware original storage position of system changes, thus reach greatly reduce maintenance at
Originally, the service life of equipment is improved.Wherein physical switch includes mechanical switch, the long-range cpm signal of artificial scene manipulation switching
The electric mechanical switch of driving triggering switching.And mechanical switch is at least chosen as button switch, fork shift switch or exclusive corresponding to producing line
One of operator, finger-print switch of upkeep operation person；And electric mechanical switch then meets industrial automation requirement relatively, mechanical part
Including push-button contact, fork shift contact, fingerprint contact or magnetic contact, and the driving end Long-range links of various contacts are to upper control master
Machine.
First Flash ROM3 and the 2nd spare Flash ROM4 is the key foundation of system firmware storage.Normal condition
Under, equipment stores identical firmware in two ROM when factory.When system access power supply, system is according to default
The preferentially loading firmware out of the first Flash ROM3, so that system worked well.Certainly this it is default can also with limited elder generation from
Firmware needed for being loaded in 2nd Flash ROM4.
Above-mentioned physical switch 5 accesses and the first Flash ROM3, the 2nd Flash ROM4 use of arranging in pairs or groups, and becomes high-speed industrial
One important core of the camera firmware error protection redundancy mechanism.
The present invention also provides a kind of software and hardware combining controlling parties based on high-speed industrial camera firmware error protection redundancy mechanism
Formula.It is software view first, necessary not only for the firmware of read-write Flash ROM, it is also necessary to cut and back up complete in EMMC2
Firmware.When firmware inside Flash ROM changes, the backup firmware of synchronized update EMMC2.And from keeping firmware
Stability, not easy to lose, falsification.After the irreversible damage of one of Flash ROM generation physics, pass through cutting for physical switch
It changes, makes it possible the physical storage existence of another Flash ROM, solve the mistake proofing of industrial camera firmware.
It is shown in Figure 2, it is a kind of flow chart of high-speed industrial camera firmware error protection redundancy mechanism provided by the invention, it can
See that its control process is described as follows step by step.
S1, system access power supply electrifying, this is high-speed industrial camera access producing line, realizes the basis of its preset function.
S2, the starting of high-speed industrial camera, by illustrated embodiment, kernel processor chip selection is loaded from the first Flash ROM3
System firmware.
After S3, system starting and loading firmware, kernel processor chip compare immediately the ROM firmware information backed up in EMMC and
The firmware information Check SUM that first Flash ROM is loaded, and it is synchronous to carry out data；It is consistent in the hope of the firmware of the two,
It to avoid the leakage of data, however have different circulation directions in practical application according to comparison result.
If firmware information is consistent after S4, synchronous firmware, i.e., system is then transferred to S7 without the request for updating firmware event；If same
After having walked firmware, system, which exists, updates firmware event request, then the first Flash ROM firmware update and generates corresponding
Check SUM。
S5, after the first Flash rom update firmware, kernel processor chip compares the ROM firmware backed up in EMMC again
The firmware information Check SUM that information and the first Flash ROM are loaded.
S6, if the two firmware information Check SUM unanimously if be transferred to S7, if comparison is inconsistent, by the first Flash
The firmware of ROM is synchronized in EMMC, and updates the ROM firmware information check SUM backed up in EMMC for subsequent calls, is updated
After complete firmware, system enters normal mode of operation.
S7, the content of system worked well, processing result and state are well known to those skilled in the art, and non-present invention
It is intended to the emphasis protected, therefore omits detailed description.
S8, when the first Flash ROM3 physical damage, access power supply and can not loading firmware, and there is still a need for lasting using should
When high-speed industrial camera system, then in maintenance, operating physical switching to the 2nd Flash ROM4 is connected at access core
Chip, the i.e. storage location of physics switching firmware are managed, to guarantee the integrity of ROM.After the completion of handover operation, high speed is restarted
Industrial camera simultaneously repeats to correspond to the identical control flow of the first Flash ROM in S2-S6, is transferred to S7.
Wherein, for the different type of physical switch, the process of operating physical switch can be operator and reach scene, and
The switching entity switch state by way of manually actuated button, overturning driving lever or input fingerprint signal.Which is off-line type
Execute-in-place is more suitable for the quick application of small-scale automatic production line although switchtype is entirely conventional.On the other hand, should
The process of operating physical switch is also possible to: operator operates upper control host in computer room, to the electric mechanical switch of Long-range links
Drive end output instruction signal, various contact electomechanical responses and switching entity switch state.Which provides remote control and cuts
A possibility that changing, and the labor of the long-range raid of operator execute-in-place has been liberated, it is more suitable for the application demand of extensive automatic production line.
It should be clear that although which provides a possibility that remote operation, but control object is still physical switches, to drop
The switching of low software control point it is uncertain, can not the property estimated.
The detailed description of the mistake proofing framework of the present invention and its control method that sum up combine diagram is as it can be seen that the program has essence
Property feature and significant progress: improved by the principle that firmware stores redundancy, greatly improve fault-tolerant space, while
A possibility that restoring data after former storage is abnormal is provided, the two, which combines, to make equipment under the influence of exceedingly odious,
The probability of anomalous event is greatly reduced, avoid equipment replacement and reduces the cost of plant maintenance.Assuming that firmware memory occurs
The risk of problem is ten a ten thousandths, then the risk that problem occurs for the error protection redundancy mechanism of the current application design is at least down to
1/10000000000th in addition anomalous event probability of happening be almost 0.
It is worth bringing up again and, it is emphasized that this error protection redundancy mechanism is software and hardware combining, more meets industrial application scene, and can
It is high, at low cost by degree.Also facilitate the maintenance of equipment simultaneously.This mechanism is based on industrial camera, exists and read and write answering for demand repeatedly
Use scene.In conjunction with two aspect of software and hardware, even if there are after physical damage, may be implemented in firmware in the presence of abnormal heavy in ROM
After new booting, keeping firmware is the last state of last time write-in, and firmware has good inheritance.
It is to be understood that the above is only a preferred embodiment of the present invention, for the common skill of the art
For art personnel, without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of mistake proofing framework of high-speed industrial camera firmware, the kernel processor chip of industrial camera is connected to firmware storage
ROM, it is characterised in that: the kernel processor chip connects EMMC by EMMC interface, is connected by SPI interface conventional use of
First Flash ROM and the 2nd spare Flash ROM, and kernel processor chip with two Flash ROM are sets indirectly
There is the physical switch for selecting property connection.
2. the mistake proofing framework of high-speed industrial camera firmware according to claim 1, it is characterised in that: the EMMC internal cutting is set
There is the segment space for storing, updating the respective firmware information Check SUM of two Flash ROM.
3. the mistake proofing framework of high-speed industrial camera firmware according to claim 1, it is characterised in that: the physical switch is real
Body switch, the electric mechanical switch of mechanical switch, the driving triggering switching of long-range cpm signal including artificial scene manipulation switching.
4. the mistake proofing framework of high-speed industrial camera firmware according to claim 3, it is characterised in that: the mechanical switch is at least
For button switch, fork shift switch or the exclusive finger-print switch for corresponding to producing line operator, upkeep operation person.
5. the mistake proofing framework of high-speed industrial camera firmware according to claim 3, it is characterised in that: the machine of the electric mechanical switch
Tool part includes push-button contact, fork shift contact, fingerprint contact or magnetic contact, and the driving end Long-range links of various contacts are to upper
Control host.
6. the mistake-proof control method of high-speed industrial camera firmware is realized based on mistake proofing framework described in claim 1, it is characterised in that
Include:
S1, system access power supply electrifying；
S2, the starting of high-speed industrial camera, kernel processor chip is from the first Flash ROM loading system firmware；
The firmware information that the ROM firmware information and the first Flash ROM backed up in S3, kernel processor chip comparison EMMC is loaded
Check SUM, and it is synchronous to carry out data；
After S4, synchronous firmware if firmware information unanimously if be transferred to S7, update firmware event request if it exists, then the first Flash
ROM firmware update simultaneously generates corresponding Check SUM；
S5, kernel processor chip compare the firmware that the ROM firmware information backed up in EMMC and the first Flash ROM are loaded again
Information Check SUM；
S6, if firmware information unanimously if be transferred to S7, if comparison is inconsistent, the firmware of the first Flash ROM is synchronized to EMMC
It is interior, and the ROM firmware information backed up in EMMC is updated, it is transferred to S7；
S7, system worked well；
S8, when the first Flash ROM physical damage can not loading firmware, then operating physical switching to the 2nd Flash ROM
Connection access kernel processor chip restarts high-speed industrial camera and repeats to correspond to the identical control of the first Flash ROM in S2-S6
Process is transferred to S7.
7. the mistake-proof control method of high-speed industrial camera firmware according to claim 6, it is characterised in that operating physical switch
Process are as follows: operator reach scene, and manually actuated button, overturning driving lever or input fingerprint signal by way of switch reality
Body switch state.
8. the mistake-proof control method of high-speed industrial camera firmware according to claim 6, it is characterised in that operating physical switch
Process are as follows: operator computer room operate upper control host, to the electric mechanical switch of Long-range links drive end output instruction signal,
Various contact electomechanical responses and switching entity switch state.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910699616.5A CN110442482A (en) | 2019-07-31 | 2019-07-31 | A kind of the mistake proofing framework and its control method of high-speed industrial camera firmware |
| PCT/CN2019/123993 WO2021017360A1 (en) | 2019-07-31 | 2019-12-09 | Error-proof architecture for high-speed industrial camera firmware and control method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910699616.5A CN110442482A (en) | 2019-07-31 | 2019-07-31 | A kind of the mistake proofing framework and its control method of high-speed industrial camera firmware |
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| CN110442482A true CN110442482A (en) | 2019-11-12 |
Family
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| CN201910699616.5A Pending CN110442482A (en) | 2019-07-31 | 2019-07-31 | A kind of the mistake proofing framework and its control method of high-speed industrial camera firmware |
Country Status (2)
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| CN (1) | CN110442482A (en) |
| WO (1) | WO2021017360A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112040162A (en) * | 2020-11-05 | 2020-12-04 | 深圳市阿达视高新技术有限公司 | Control method and control device for storing camera shooting video data and video acquisition equipment |
| WO2021017360A1 (en) * | 2019-07-31 | 2021-02-04 | 苏州中科全象智能科技有限公司 | Error-proof architecture for high-speed industrial camera firmware and control method therefor |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2021017360A1 (en) | 2021-02-04 |
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Application publication date: 20191112 |