CN108958817A - Bus driver method, apparatus and storage medium - Google Patents
Bus driver method, apparatus and storage medium Download PDFInfo
- Publication number
- CN108958817A CN108958817A CN201810687420.XA CN201810687420A CN108958817A CN 108958817 A CN108958817 A CN 108958817A CN 201810687420 A CN201810687420 A CN 201810687420A CN 108958817 A CN108958817 A CN 108958817A
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- bus
- operating system
- working
- backup
- initial
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- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
- G06F13/124—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware is a sequential transfer control unit, e.g. microprocessor, peripheral processor or state-machine
Abstract
The invention discloses a kind of bus driver method, apparatus and storage mediums, are applied to embedded OS, comprising: load bus configures when setting operating system is initial；The controller and register address of bus are set, to support operating system access；Bus down trigger mode is set；Operating system is set and registers bus and bus resource in kernel；The read-write capability of bus is set.In addition, method further includes the working method according to bus, the mailing address of bus, the initial parameter of bus control unit are set；Bus monitor is set, and to measure the running parameter of bus communication, whether monitoring bus is working properly；At least one backup bus is set, and when working bus breaks down, backup bus takes over working bus in a manner of warm back-up or cold standby.Compared with the prior art, technical solution provided by the invention, can be general in all kinds of hardware and software platforms, and extends the function of bus application, improves the reliability of bus.
Description
Technical field
The present invention relates to computer bus drive areas.More particularly, to a kind of embedded system bus drive area
Method.
Background technique
Embedded system is just widely used with the development of Internet in every field, as outstanding behaviour
Make system code, the real time operating systems such as VxWorks, QNX, RTEMS realize real-time more better than other operating systems, have
Effect property, commerciality, tailorability and interoperability, be widely used in the high-quality precision and sophisticated technologies such as communication, military affairs, Aeronautics and Astronautics and
In the high field of requirement of real-time, such as satellite communication, military exercises, trajectory guidance, aircraft navigation.
Fieldbus is one of the hot spot of nowadays automatic field technology development, is known as the computer bureau of automatic field
Domain net.Its appearance realizes that real-time, reliable data communication provides strong between each node for dcs
Technical support.Especially in embedded system application field, fieldbus is even more to be widely used.Due to the class of bus
Type is various, such as common are CAN bus, 1553B bus, ARNIC429 bus and foundation bus etc., embedded operation system
System needs the exploitation that different buses is driven and applied respectively, does not have versatility, exists again in the process of development big
The repeated work of amount.
In consideration of it, the purpose of the present invention is to provide a kind of bus driver method, apparatus and storage mediums, using general
Implementation technology, so that driving method can be general in all kinds of hardware and software platforms, and the function of expansion bus application.
Summary of the invention
In order to solve the above-mentioned technical problem, the purpose of the present invention is to provide a kind of bus driver method, apparatus and storages
Medium, to alleviate problem of the existing technology.
In a first aspect, being applied to embedded OS the present invention provides a kind of bus driver method, comprising: setting
Load bus configures when operating system is initial；The controller and register address of bus are set, to support operating system access；If
Set bus down trigger mode；Operating system is set and registers bus and bus resource in kernel；The read-write capability of bus is set.
Optionally, according to the working method of bus, the mailing address of bus, the initial parameter of bus control unit are set.
Optionally, bus monitor is set, and to measure the running parameter of bus communication, whether monitoring bus is working properly.
Optionally, at least one backup bus is set, and when working bus failure, backup bus is with warm back-up or cold
The mode of backup takes over working bus.
Second aspect, the present invention provides a kind of bus driver devices, are applied to embedded OS, comprising: operation
System configuration module, load bus configures when setting operating system is initial, and setting operating system nucleus registers bus and bus money
Source；The controller and register address of bus is arranged in bus configuration module, and to support operating system access, setting bus is interrupted
The read-write capability of bus is arranged in triggering mode.
Optionally further comprising: bus runs module and mailing address, the bus of bus is arranged according to the working method of bus
The initial parameter of controller.
Optionally further comprising: bus monitor is arranged in bus monitor module, to measure the running parameter of bus communication,
Monitor whether bus is working properly.
Optionally further comprising: at least one backup bus is arranged in bus backup module, when working bus breaks down,
Backup bus takes over working bus in a manner of warm back-up or cold standby.
The third aspect, the present invention provides a kind of bus driver devices, are applied to embedded OS, comprising: processing
Device；Memory for storage processor executable instruction；Wherein, processor is configured as: setting operating system adds when initial
Carry bus configuration；The controller and register address of bus are set, to support operating system access；Bus down trigger side is set
Formula；Operating system nucleus is set and registers bus and bus resource；The read-write capability of bus is set.
Fourth aspect, the present invention provides a kind of computer readable storage mediums, are stored thereon with computer program instructions,
It is characterized in that, realizing bus driver method and step provided by first aspect when the program instruction is executed by processor.
Beneficial effects of the present invention are as follows:
Technical solution provided by the invention can include the following benefits: load bus is matched when setting operating system is initial
It sets；The controller and register address of bus are set, to support operating system access；Bus down trigger mode is set；Setting
Operating system nucleus registers bus and bus resource；The read-write capability of bus is set.In this way, bus driver side provided by the invention
Method, can be general in all kinds of hardware and software platforms, and extends the function of bus application, improves the reliability of bus.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is one embodiment of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of bus driver method flow diagram of first embodiment of the invention；
Fig. 2 is a kind of structural schematic diagram of bus driver device of second embodiment of the invention；
Fig. 3 is a kind of structural schematic diagram of bus driver device of third embodiment of the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, described embodiments are some of the embodiments of the present invention, rather than whole
Embodiment.
Embodiment one:
Fig. 1 is a kind of bus driver method flow diagram of first embodiment of the invention, as shown in Figure 1, this method includes such as
Lower four steps.
Step S101: operating system configuration is carried out.Specifically, load bus configures when setting operating system is initial, setting
Operating system registers bus and bus resource in kernel.
In an alternative embodiment, operating system uses VxWorks, it is necessary first to the config.h text in BSP
Part is configured, and BSP is mainly the initialization of CPU, is provided bottom hardware for entire software systems and is supported.Such as with CAN bus
For, need to increase macrodefinition DRV_CANBUS_USER.Furthermore, it is necessary to the resource that CAN bus needs to use is set, such as when
Clock, traffic rate etc. register these resources in VxWorks kernel, could drive hardware by operating system.
Step S102: bus configuration is carried out.Specifically, the controller and register address of bus are set, to support to operate
System access；Bus down trigger mode is set；The read-write capability of bus is set.
In an alternative embodiment, operating system uses VxWorks, and bus uses CAN bus, grasps in Vxworks
Make the address that CAN bus is set in system, just the address of accessible operation note, otherwise operation note centainly will cause
The collapse of Vxworks operating system.The numerical value of gicTrigger is determined in operating system file hwconf.c, is defined in array
The triggering mode of the interruption of CAN, is typically chosen level triggers.The characteristics of according to bus, formulates bus read-write program, total to support
The application of line.
Step S103: setting bus initialization parameter.Specifically, according to the working method of bus, the logical of bus is set
Believe the initial parameter of address, bus control unit.
In an alternative embodiment, the address of CAN bus is divided into 11 and 29 both of which, needs before communicating
It is configured, just can be carried out bus communication work.
In another alternative embodiment, 1553B bus is principal and subordinate's control bus, and needing to configure bus before communicating is
BC (Bus Controller bus marco end) or RT (Remote terminal far sets end)；It can only be deposited in communication system
In a BC, may exist multiple RT, the address of specified RT is also needed if it is RT.
Step S104: setting bus monitor.Specifically, bus monitor is set, to measure the work ginseng of bus communication
Whether number, monitoring bus are working properly.
In an alternative embodiment, the settable BM of 1553B bus (Bus Monitor), to monitor in 1553B bus
Each communication link whether normal communication, and monitoring parameters such as traffic load.
Step S105: setting bus backup method.Specifically, at least one backup bus is set, when working bus occurs
When failure, backup bus takes over working bus in a manner of warm back-up or cold standby.
In an alternative embodiment, the warm back-up bus of 1553B bus inherently dual redundant includes A and B two
Bus.When bus A, which is communicated, to break down, bus marco chip can automatically switch to B bus and be communicated.
In another alternative embodiment, two CAN bus are set in bus communication, and are set as cold standby mould
Formula switches to backup bus when working bus breaks down.
Embodiment two:
The embodiment of the invention provides a kind of bus driver device, it is above-mentioned which is mainly used for the execution embodiment of the present invention
Bus driver method provided by content does specific introduction to bus driver device provided in an embodiment of the present invention below.
Fig. 2 is a kind of structural schematic diagram of bus driver device of second embodiment of the invention.As shown in Fig. 2, the bus
Driving device 200 comprises the following modules.
Operating system configuration module 201, load bus configures when setting operating system is initial, and setting operating system nucleus is infused
Volume bus and bus resource.
The controller and register address of bus is arranged in bus configuration module 202, to support operating system access, setting
Bus down trigger mode, is arranged the read-write capability of bus.
Optionally include: bus runs module 203 and mailing address, the bus of bus is arranged according to the working method of bus
The initial parameter of controller.
Optionally include: bus monitor is arranged in bus monitor module 204, to measure the running parameter of bus communication,
Monitor whether bus is working properly.
Optionally include: at least one backup bus is arranged in bus backup module 205, when working bus breaks down,
Backup bus takes over working bus in a manner of warm back-up or cold standby.
Embodiment three:
The embodiment of the invention also provides a kind of bus driver devices.As shown in figure 3, the bus driver device of the embodiment
300 include: processor 301, memory 302, bus 303, and stores in the memory 302 and can transport on processor 301
Capable computer program, such as the program are used to work in driving bus 303.Processor 301 is realized when executing computer program
Step in above-mentioned each bus driver embodiment of the method, for example, step S101, S102, S103, S104 shown in FIG. 1 and
S105.Alternatively, processor 301 realizes the function of each module in above-mentioned each Installation practice, such as Fig. 2 when executing computer program
In module with drive bus 303 work.
Illustratively, the computer program can be divided into one or more modules, one or more of moulds
Block is stored in the memory 302, and is executed by 301 devices of the processing, to complete the present invention.One or more of moulds
Block can be the series of computation machine program instruction section that can complete specific function, and the instruction segment is for describing the computer journey
Implementation procedure of the sequence in the bus driver device.For example, the computer program can be divided into operating system configuration
Module and bus configuration module, each module concrete function are as follows: operating system configuration module, and setting operating system loads when initial
Bus configuration, setting operating system nucleus register bus and bus resource；Bus configuration module is arranged the controller of bus and posts
Storage address is arranged bus down trigger mode, the read-write capability of bus is arranged to support operating system access.
The bus driver device can be SCM system, desktop PC, notebook, palm PC and cloud clothes
Business device etc. calculates equipment.The bus driver device may include, but be not limited only to, processor, memory.Those skilled in the art
It is appreciated that the schematic diagram is only the example of bus driver device, the restriction to bus driver device is not constituted, it can be with
Including than illustrating more or fewer components, perhaps combining certain components or different components, such as bus driver dress
Setting can also include input-output equipment, bus etc..
Alleged processor can be micro-control unit (Microcontroller Unit, MCU), central processing unit
(Central Processing Unit, CPU), can also be other general processors, digital signal processor (Digital
Signal Processor, DSP), specific integrated circuit (Application Specific Integrated Circuit,
ASIC), ready-made programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic
Device, discrete gate or transistor logic, discrete hardware components etc..General processor can be microprocessor or this at
Reason device is also possible to any conventional processor etc., and the processor is the control centre of the bus driver device, using each
The various pieces of kind interface and the entire bus driver device of connection.
The memory can be used for storing the computer program and/or module, and the processor is by operation or executes
Computer program in the memory and/or module are stored, and calls the data being stored in memory, described in realization
The various functions of bus driver device.The memory can mainly include storing program area and storage data area, wherein storage journey
It sequence area can application program needed for storage program area, at least one function (such as sound-playing function, image player function
Deng) etc.；Storage data area, which can be stored, uses created data (such as audio data, phone directory etc.) etc. according to mobile phone.This
Outside, memory may include high-speed random access memory, can also include nonvolatile memory, such as hard disk, memory, insert
Connect formula hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card, flash memory
Block (Flash Card), at least one disk memory, flush memory device or other volatile solid-state parts.
Example IV:
If the integrated module of bus driver device is realized in the form of SFU software functional unit and as independent product pin
It sells or in use, can store in a computer readable storage medium.Based on this understanding, the present invention realizes above-mentioned
All or part of the process in embodiment method can also instruct relevant hardware to complete by computer program, described
Computer program can be stored in a computer readable storage medium, which, can be real when being executed by processor
The step of existing above-mentioned each embodiment of the method.Wherein, the computer program includes computer program code, the computer journey
Sequence code can be source code form, object identification code form, executable file or certain intermediate forms etc..It is described computer-readable
Medium may include: any entity or device, recording medium, USB flash disk, mobile hard that can carry the computer program code
Disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory
(RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It needs to illustrate
It is that the content that the computer-readable medium includes can be fitted according to the requirement made laws in jurisdiction with patent practice
When increase and decrease, such as in certain jurisdictions, according to legislation and patent practice, computer-readable medium does not include electric carrier wave letter
Number and telecommunication signal.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of bus driver method is applied to embedded OS characterized by comprising
Be arranged the operating system it is initial when load the bus configuration；
The controller and register address of the bus are set, to support the operating system access；
The bus down trigger mode is set；
The operating system is set and registers the bus and bus resource in kernel；
The read-write capability of the bus is set.
2. the method according to claim 1, wherein further include:
According to the working method of the bus, the mailing address of the bus, the initial parameter of bus control unit are set.
3. the method according to claim 1, wherein further include:
Bus monitor is set and monitors whether the bus is working properly to measure the running parameter of the bus communication.
4. the method according to claim 1, wherein further include:
At least one backup bus is set, and when working bus failure, the backup bus is with warm back-up or cold standby
Mode takes over the working bus.
5. a kind of bus driver device is applied to embedded OS characterized by comprising
Operating system configuration module, be arranged the operating system it is initial when load the bus configuration, the operating system is set
Kernel registers the bus and bus resource；
The controller and register address of the bus is arranged in bus configuration module, to support the operating system access, setting
The bus down trigger mode, is arranged the read-write capability of the bus.
6. device according to claim 5, which is characterized in that further include:
Bus runs module, according to the working method of the bus, be arranged the mailing address of the bus, bus control unit just
Beginning parameter.
7. device according to claim 5, which is characterized in that further include:
Bus monitor module is arranged bus monitor to measure the running parameter of the bus communication and monitors that the bus is
It is no working properly.
8. device according to claim 5, which is characterized in that further include:
At least one backup bus is arranged in bus backup module, and when working bus breaks down, the backup bus is with hot standby
The mode of part or cold standby takes over the working bus.
9. a kind of bus driver device is applied to embedded OS characterized by comprising
Processor；
Memory for storage processor executable instruction；
Wherein, the processor is configured to: be arranged the operating system it is initial when load the bus configuration；It is arranged described total
The controller and register address of line, to support the operating system access；The bus down trigger mode is set；Setting institute
It states operating system nucleus and registers the bus and bus resource；The read-write capability of the bus is set.
10. a kind of computer readable storage medium, is stored thereon with computer program instructions, which is characterized in that the program instruction
The step of any one of Claims 1 to 4 the method is realized when being executed by processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810687420.XA CN108958817A (en) | 2018-06-28 | 2018-06-28 | Bus driver method, apparatus and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810687420.XA CN108958817A (en) | 2018-06-28 | 2018-06-28 | Bus driver method, apparatus and storage medium |
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| CN108958817A true CN108958817A (en) | 2018-12-07 |
Family
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| CN201810687420.XA Pending CN108958817A (en) | 2018-06-28 | 2018-06-28 | Bus driver method, apparatus and storage medium |
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| CN114860321A (en) * | 2022-04-06 | 2022-08-05 | 网易（杭州）网络有限公司 | External device control method, device, equipment and medium based on raspberry pi |
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