CN110442390A - Embedded device remotely located device and method - Google Patents
Embedded device remotely located device and method Download PDFInfo
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- CN110442390A CN110442390A CN201910726260.XA CN201910726260A CN110442390A CN 110442390 A CN110442390 A CN 110442390A CN 201910726260 A CN201910726260 A CN 201910726260A CN 110442390 A CN110442390 A CN 110442390A
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- arm
- setup parameter
- embedded
- detection module
- parameter
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/57—Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
- G06F21/575—Secure boot
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4416—Network booting; Remote initial program loading [RIPL]
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- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention belongs to field of computer technology, more particularly to a kind of embedded device remotely located device and method, be applied to embedded processing systems, including, ARM detection module and ARM interpret storage module, and ARM detection module can execute the following steps: receive ARM instruction；Detect whether ARM instruction is setup parameter；It is interpreted if instructing as setup parameter；And if setup parameter exceeds the specification safe range that system allows, and ignores setup parameter, setup parameter is otherwise passed to system and is set.It can avoid improper setting, it is ensured that system operation is in safe range.The device and method of disclosed ARM instruction detection and interpretation; setup parameter in ARM instruction is detected and interpreted; ignore the setup parameter beyond system specification safe range; only retain the setup parameter for meeting safe range; avoid improper setting; to protect electronic device assembly, it is ensured that system operates steadily in the long term.
Description
Technical field
The invention belongs to field of computer technology, are related to a kind of embedded processing systems, and in particular to one kind is embedded to be set
Standby remotely located device and method.
Background technique
Dedicated computer system is supported generally to support embedded-type ARM system at present, and via reception ARM instruction to set
The mode for determining control system is more and more common.As long as program can read ARM instruction, and content is setup parameter, and user is just
It can change default, with the initial setting of altering system specification.For in computer system Multimedia Program or trip
For play software in order to can provide high-speed computation ability and promote task performance, user would generally be to the embedded of embedded processing systems
Processor is subject to overclocking, is passed to related setting parameter by ARM instruction, change system is initially set, even more than the system specification
Safe range.In general, system can't be to the potential risk of the parameters such as overvoltage protection, overcurrent protection and overheat protector
And setup parameter is interpreted, but setup parameter is passed to system, will be set according to its setting value.Under normal conditions,
Embeded processor can receive ARM instruction, setup parameter be sent out to pulse wave width modulation device, to change the voltage of system operation
Or electric current, due to being interpreted there is no any mechanism to ARM instruction, even if setup parameter is to be more than the safe model of the system specification
It encloses, pulse wave width modulation device can be also passed to by embeded processor, and set, if these setup parameters are not subject to
Screening protection, is just used directly to setting system, is chronically at computer system under the operating condition of risk and operates,
If this computer system long-term operation under the setting of risk, may cause undesirable influence to electronic device assembly,
Safety is very poor, or even damages to system, easily causes the undesirable influence of computer system.
Therefore, ARM instruction how is detected and interpreted, the safe range setting of the system specification is avoided exceeding, becomes computer
Manufacturer's important topic.
Summary of the invention
The present invention provides a kind of embedded device remotely located device and method, it is therefore an objective to keep away embedded processing systems can
Exempt from improper setting, it is ensured that system operation is in safe range.
To achieve the purpose of the present invention, the present invention provides a kind of embedded device remotely located device, is applied to have embedding
Enter the embedded processing systems of formula processor, it is characterized in that, including, ARM detection module and ARM interpret storage module；ARM inspection
Module is surveyed, there is ARM bus interface to carry out reception ARM instruction, and into detection and interpret to received ARM instruction；ARM is interpreted
Storage module, the setting value in safe range for storing embedded processing systems；The detection of ARM detection module is simultaneously received
Whether ARM instruction is then compared with the setting value being stored in ARM interpretation storage module, will with interpreting if setup parameter
Setup parameter is passed in embedded processing systems and is set.
Further, the embeded processor is multimedia chip group.
Further, the embedded processing systems are the display adapter device with multimedia chip group.
Further, the ARM detection module is microcontroller.
Further, it is flash memory or random access memory that the ARM, which interprets storage module,.
The invention further relates to a kind of embedded device remote setting method, ARM detection module is received by ARM bus interface
Whether ARM instruction, ARM detection module detection ARM instruction exceed setup parameter；The parameter of ARM detection module detection is without departing from setting
When determining parameter, which interprets the setting value in storage module with ARM and is compared and interprets；The ginseng of ARM detection module detection
Number exceeds the safe range of system default parameter, then ignores off-limits uneasy population parameter.
Further, the ARM detection module is interpreted storage module with ARM and can be set to parameter, mainly will
The setup parameter of successor's embedded processing systems, which is stored to ARM, interprets storage module, using as setting value.
The beneficial effects of the present invention are: the device and method of disclosed ARM instruction detection and interpretation, to ARM
Setup parameter in instruction is detected and is interpreted, and the setup parameter beyond system specification safe range is ignored, and is only retained and is met
The setup parameter of safe range carries out dynamical system setting, avoids improper setting, avoids the occurrence of and sets more than system safe range
The case where occur, to protect electronic device assembly, it is ensured that system operates steadily in the long term.
Detailed description of the invention
Fig. 1 is schematic diagram of the invention；
Fig. 2 is the step flow chart of the method for ARM instruction of the invention；
Fig. 3 is the step flow chart of the method for another embodiment of the present invention；
In figure:
Embedded processing systems 300, embeded processor 310, read-only memory 320, pulse wave width modulation device 330；
Embedded device remotely located device 350, ARM detection module 3501, ARM interpret storage module 3503, setting value
3505；
ARM bus 360, ARM instruction 3601, setup parameter 3605；
Computer main system 370.
Specific embodiment
Hereinafter, will the invention will be further described in conjunction with attached drawing:
In conjunction with shown in Fig. 1, Fig. 2, Fig. 3, a kind of embedded device remotely located device and method disclosed in this invention,
In, embedded device remotely located device 350 of the invention includes ARM detection module 3501, and ARM interprets storage module 3503.
Referring to Fig. 1, embedded device remotely located device 350 is applied in embedded processing systems 300, it is embedded
Processing system 300 includes embeded processor 310, read-only memory 320 and pulse wave width modulation device 330, and can be with calculating
Owner's system 370, which is constituted, to be electrically connected.And read-only memory 320 and pulse wave width modulation device 330 can be separately connected embedded place
Manage device 310.
Embedded device remotely located device 350 of the present invention is connected to embeded processor 310, read-only memory
320 and 330 embedded device remotely located device 350 of pulse wave width modulation device received by ARM bus 360 and interpret ARM and refer to
3601 are enabled, and according to interpretation as a result, the setup parameter 3605 in ARM instruction 3601 is passed to embeded processor by busbar connector
310, and pass through 360 CROM (control read only memory) 320 of ARM bus and pulse wave width modulation device 330.
Wherein ARM detection module 3501 is connected to embeded processor 310 by bus, and can be with ARM bus 360
Interface connection carries out receiving ARM instruction 3601.ARM interprets storage module 3503 and is connected to ARM detection module 3501, to store
Setting value 3505 in the system specification safe range of embedded processing systems 300.ARM detection module 3501 detects received
ARM instruction 3601 then does ratio with the ARM system specification setting value 3505 for interpreting storage module 3503 if setup parameter 3605
Compared with, with interpret whether setup parameter 3605 can be passed to system carry out parameter setting.
Embeded processor 310 is multimedia chip group, has and handles special multimedia instruction operational capability, and can will tie
Fruit passes embedded processing systems 300 or computer main system 370 back.
Embedded processing systems 300 are display adapter device or embedded multimedia chip with multimedia chip group
The computer main system of group.
ARM detection module 3501 is microcontroller, receives ARM instruction 3601, and it is remote to plan as a whole embedded device of the invention
The electrical control and actuation of device 350 is arranged in journey.
It is flash memory or read-only memory that ARM, which interprets storage module 3503, stores each setup parameter 3605 and meets the system specification
Setting value in safe range, the use compared for control unit.
It please refers to shown in Fig. 2 and Fig. 1, the detection of ARM instruction of the present invention and deciphering method, is to make ARM detection module 3501
The following steps can be executed: ARM instruction 3601, step S410 as shown in Figure 2 are received by ARM bus interface 360；ARM instruction
3601 contents may include general instruction or the setup parameter 3605 to set system, after receiving ARM instruction 3601, control
Unit 3501 processed detects whether ARM instruction 3601 is setup parameter 3605, such as step S430；If instruction is setup parameter 3605,
It then compares and is interpreted with the system specification setting value 3505 for being stored in ARM interpretation storage module 3503, such as step S450；
Do you judge the specification safe range whether setup parameter 3605 allows beyond system if so, ignoring setup parameter, and return to step
S410 waits next ARM instruction 3601, sets if it is not, setup parameter 3605 is then passed to embedded processing systems 300, such as
Step S470.
Substantially, the setting value in the aforementioned system specification safe range being stored in ARM interpretation storage module 3503
3505, such as overvoltage protection, overcurrent protection or the setup parameters such as related to frequency reducing temperature, preferred embodiment are meters
Calculation machine system manufacturer is just pre-stored in ARM and interprets in storage module 3503 before computer factory, is used as ARM and examines
It surveys module 3501 and compares the use of setup parameter setting value.
Referring to Fig. 3, Fig. 3 is the step schematic diagram of the detection of ARM instruction of the present invention and the another embodiment of deciphering method.
The step of it includes storing and setting parameter, by the setting value 3505 of the setup parameter 3605 of incoming embedded processing systems 300
It stores to ARM and interprets storage module 3503, step S490 as shown in Figure 3.It is ensured that the setting value of these storages is all
It is the setting value 3505 for being less than system specification safe range.
The present invention is detected and is interpreted to the setup parameter 3605 in ARM instruction 3601, is ignored and is pacified beyond the system specification
The setup parameter of gamut only retains the setup parameter progress dynamical system setting for meeting safe range, avoids improper setting, keep away
Exempt to occur more than the case where system safe range is set, to protect electronic device assembly, it is ensured that system operates steadily in the long term.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention, and any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of embedded device remotely located device, special applied to the embedded processing systems with embeded processor
Sign is: including ARM detection module and ARM interpret storage module；
There is ARM bus interface to carry out reception ARM instruction, and into detection and solve to received ARM instruction for ARM detection module
It reads；
ARM interprets storage module, the setting value in safe range for storing embedded processing systems；
ARM detection module detection and received ARM instruction if setup parameter, then be stored in ARM interpret storage module in
Whether setting value is compared, set with interpreting setup parameter to be passed in embedded processing systems.
2. embedded device remotely located device according to claim 1, it is characterised in that: the embeded processor is
Multimedia chip group.
3. embedded device remotely located device according to claim 1, it is characterised in that: the embedded processing systems
For the display adapter device with multimedia chip group.
4. embedded device remotely located device according to claim 1, it is characterised in that: the ARM detection module is
Microcontroller.
5. embedded device remotely located device according to claim 1, it is characterised in that: the ARM interprets storage mould
Block is flash memory or random access memory.
6. a kind of embedded device remote setting method, it is characterised in that: ARM detection module receives ARM by ARM bus interface
Whether instruction, ARM detection module detection ARM instruction exceed setup parameter；The parameter of ARM detection module detection is joined without departing from setting
When number, which interprets the setting value in storage module with ARM and is compared and interprets；The parameter of ARM detection module detection is super
The safe range of system default parameter out then ignores off-limits uneasy population parameter.
7. embedded device remote setting method according to claim 6, it is characterised in that: the ARM detection module with
ARM interpret storage module parameter can be set, mainly by the setup parameter for embedded processing systems of passing on a skill of craft to others store to
ARM interprets storage module, using as setting value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910726260.XA CN110442390A (en) | 2019-08-07 | 2019-08-07 | Embedded device remotely located device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910726260.XA CN110442390A (en) | 2019-08-07 | 2019-08-07 | Embedded device remotely located device and method |
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| CN201910726260.XA Pending CN110442390A (en) | 2019-08-07 | 2019-08-07 | Embedded device remotely located device and method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102629A (en) * | 2011-01-17 | 2011-06-22 | 东南大学 | On-line data acquisition and analysis device of wind generating set |
| CN103383304A (en) * | 2013-06-26 | 2013-11-06 | 浙江工业大学 | Electronic monitoring device for underground coal mine speed reducer |
| CN104656561A (en) * | 2013-11-25 | 2015-05-27 | 财团法人资讯工业策进会 | Embedded system and fool-proof control method |
-
2019
- 2019-08-07 CN CN201910726260.XA patent/CN110442390A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102629A (en) * | 2011-01-17 | 2011-06-22 | 东南大学 | On-line data acquisition and analysis device of wind generating set |
| CN103383304A (en) * | 2013-06-26 | 2013-11-06 | 浙江工业大学 | Electronic monitoring device for underground coal mine speed reducer |
| CN104656561A (en) * | 2013-11-25 | 2015-05-27 | 财团法人资讯工业策进会 | Embedded system and fool-proof control method |
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