CN108399136A - A kind of control method of serial line interface, device and host - Google Patents
A kind of control method of serial line interface, device and host Download PDFInfo
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- CN108399136A CN108399136A CN201810162640.0A CN201810162640A CN108399136A CN 108399136 A CN108399136 A CN 108399136A CN 201810162640 A CN201810162640 A CN 201810162640A CN 108399136 A CN108399136 A CN 108399136A
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- external equipment
- line interface
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0002—Serial port, e.g. RS232C
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- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The present invention is suitable for field of communication technology, provides a kind of control method of serial line interface, device and host, wherein the control method of the serial line interface includes：By the serial line interface to external equipment transmission data, and monitor the reply data that the external equipment is sent；If listening to the reply data in preset time, continue according to serial port communicating protocol and the external device communication；If not hearing the reply data in preset time, using the serial line interface as an input interface, the input for receiving the external equipment instructs.The present invention can control the use of the serial line interface according to the response of external equipment, to compatible multiple external equipments, improve the utilization rate of resource, have stronger usability and practicality.
Description
Technical field
The present invention relates to the communications fields more particularly to a kind of control method of serial line interface, device, host and computer can
Read storage medium.
Background technology
In electronic product, it will usually each interface is independent, it is compatible with by using the mode of interactive interface more
Kind external equipment, temporary no expansion interface are often in idle state, greatly occupy I/O resources.
Invention content
In consideration of it, an embodiment of the present invention provides a kind of control method of serial line interface, device and host, it can be according to outer
The response of portion's equipment controls the use of the serial line interface, to compatible multiple external equipments, improves the utilization rate of resource.
The first aspect of the embodiment of the present invention provides a kind of control method of serial line interface, and the host includes one serial
Interface, the host are connect by the serial line interface with external equipment, the method includes：
By the serial line interface to external equipment transmission data, and monitor the reply data that the external equipment is sent；
If listening to the reply data in preset time, continue according to serial port communicating protocol and the external equipment
Communication；
If not hearing the reply data in preset time, using the serial line interface as an input interface, use
In the input instruction for receiving the external equipment.
The second aspect of the embodiment of the present invention provides a kind of control device of serial line interface, including：
Sending module is used for through the serial line interface to external equipment transmission data, and monitors the external equipment hair
The reply data sent；
First processing module continues if for listening to the reply data in preset time according to serial communication
Agreement and the external device communication；
Second processing module, if for not hearing the reply data in preset time, by the serial line interface
As an input interface, the input for receiving the external equipment instructs.
The third aspect of the embodiment of the present invention provides a kind of host, including：Including memory, processor and it is stored in
On reservoir and the computer program that can run on a processor, above-mentioned processor realizes above-mentioned the when executing above computer program
On the one hand the method referred to.
The fourth aspect of the embodiment of the present invention provides a kind of computer readable storage medium, including：This is computer-readable
Computer program is stored on storage medium, above computer program is realized mentioned in the first aspect when being executed by processor
Method.
Existing advantageous effect is the embodiment of the present invention compared with prior art：The present embodiment by the serial line interface to
External equipment transmission data, and monitor the reply data that the external equipment is sent；If listening to described answer in preset time
Answer evidence then continues according to serial port communicating protocol and the external device communication；If not hearing described answer in preset time
Answer evidence, then using the serial line interface as an input interface, the input for receiving the external equipment instructs.By this hair
Bright embodiment can control the use of the serial line interface according to the response of the external equipment listened to, to which compatibility is a variety of
External equipment improves the utilization rate of resource, has stronger usability and practicality.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the flow diagram of the control method for the serial line interface that the embodiment of the present invention one provides；
Fig. 2 is the structural schematic diagram of the control device of serial line interface provided by Embodiment 2 of the present invention；
Fig. 3 is the structural schematic diagram for the host that the embodiment of the present invention three provides.
Specific implementation mode
In being described below, for illustration and not for limitation, it is proposed that such as tool of particular system structure, technology etc
Body details, to understand thoroughly the embodiment of the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention can also be realized in the other embodiments of details.In other situations, it omits to well-known system, device, electricity
The detailed description of road and method, in case unnecessary details interferes description of the invention.
It should be appreciated that ought use in this specification and in the appended claims, the instruction of term " comprising " is described special
Sign, entirety, step, operation, the presence of element and/or component, but be not precluded one or more of the other feature, entirety, step,
Operation, element, component and/or its presence or addition gathered.
It is also understood that the term used in this description of the invention is merely for the sake of the mesh for describing specific embodiment
And be not intended to limit the present invention.As description of the invention and it is used in the attached claims, unless on
Other situations are hereafter clearly indicated, otherwise " one " of singulative, "one" and "the" are intended to include plural form.
It will be further appreciated that the term "and/or" used in description of the invention and the appended claims is
Refer to any combinations and all possible combinations of one or more of associated item listed, and includes these combinations.
As used in this specification and in the appended claims, term " if " can be according to context quilt
Be construed to " when ... " or " once " or " response is in determination " or " response in detect ".Similarly, phrase " if it is determined that " or
" if detecting [described condition or event] " can be interpreted to mean according to context " once it is determined that " or " response is in true
It is fixed " or " once detecting [described condition or event] " or " response in detect [described condition or event] ".
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in the present embodiment, each process
Execution sequence should be determined by its function and internal logic, and the implementation process of the embodiments of the invention shall not be constituted with any limitation.
In order to illustrate technical solutions according to the invention, illustrated below by specific embodiment.
Embodiment one
Fig. 1 is the flow diagram of the control method for the serial line interface that the embodiment of the present invention one provides, and this method can wrap
Include following steps：
S101：By the serial line interface to external equipment transmission data, and monitor the response that the external equipment is sent
Data.
Wherein, the serial line interface (Serial Interface), abbreviation serial ports, also referred to as serial communication interface or serial logical
Communication interface (is often referred to com interface), is the expansion interface using serial communication mode, can be with one one by serial interface data
Ground sequence in position transmits.
Optionally, the serial port communicating protocol includes：R232 serial communication protocols.
Optionally, the host includes：Wireless control module, power circuit, driving circuit, serial interface circuit and storage
The first end of device, the wireless control module is connect with power circuit, second end and the driving of the wireless control module
Circuit connects, and the third end of the wireless control module connect with the serial interface circuit, and the of the wireless control module
Four ends are connect with the memory；The first end of the power circuit is connect with external power supply, second end and the wireless control
Module connects；The first end of the driving circuit is connect with the wireless control module, and second end is connected with load；It is described serial
The first end of interface circuit is connect with the wireless control module, and second end is connect with the external equipment, wherein the load
Including light modulator, the external equipment includes serial communication equipment or mechanical keyswitch.
Further, the wireless control module is the control module for supporting Z-Wave wireless communication protocols, the serial ports
Communication apparatus includes serial ports touch panel, serial ports console, computer etc..Wherein, the type of the serial ports touch panel can have
It is a variety of, in order to which user is neatly chosen as needed.
It should be appreciated that when the external equipment is computer, it can both be communicated with the host, and can be used for adjusting
Try the code that the serial line interface is generated in burning escalation process.
It is also understood that when the external equipment is the serial ports touch panel in serial communication equipment, the serial ports touches
Touching panel can both be communicated with the host according to serial port communicating protocol, can also be controlled by the serial ports touch panel
Make the host.When the host is communicated by the serial port communicating protocol with the external equipment, institute can be received
The control instruction for stating external equipment transmission, to execute corresponding operation.
It will be further appreciated that when the external equipment is serial ports touch panel, due to leading on serial ports touch panel
Multiple buttons are often had, can use the host as a remote controler, be controlled by the serial ports touch panel at this time
Other equipment processed, to realize the purpose of association control plurality of devices.
Optionally, the host is when the system is first powered on by the serial line interface to external equipment transmission data, and monitors
The reply data that the external equipment is sent.
S102：If listening to the reply data in preset time, continue according to serial port communicating protocol with it is described outer
Portion's equipment communication.
It should be appreciated that when the external equipment is any one in serial communication equipment, the host is being received
After the data of transmission, response can be made to it, to prompt the host serial communication equipment to have received in preset time
The data can be established and connect and be communicated.
S103：If not hearing the reply data in preset time, connect the serial line interface as an input
Mouthful, the input for receiving the external equipment instructs.
It should be appreciated that when the external equipment is mechanical keyswitch, the host can not be sent out in preset time
The data sent respond.
Optionally, if not hearing the reply data in preset time, the resistance at the serial line interface is complete
Portion is set as pull-mode, and as an input interface, the input for receiving the external equipment instructs.
It should be noted that if do not receive the reply data in preset time, then using the serial line interface as
One input interface, by the way that the resistance at the serial line interface is all set to upper pull-mode so that the number of the serial line interface
It is in high level state according to pin, after the button of the mechanical keyswitch is pressed, the data pin of the serial line interface
The level at place becomes low level from high level, executes host open command.
In the embodiment of the present invention, by the serial line interface to external equipment transmission data, and the external equipment is monitored
The reply data of transmission, if listening to the reply data in preset time, continue according to serial port communicating protocol with it is described
External device communication；If not hearing the reply data in preset time, connect the serial line interface as an input
Mouthful, the input for receiving the external equipment instructs.The embodiment of the present invention is a variety of to realize by controlling the serial line interface
External equipment shares a kind of serial line interface, and can control the host by any one external equipment, improves resource
Utilization rate has stronger usability and practicality.
Embodiment two
Fig. 2 is a kind of structural schematic diagram of the control device of serial line interface provided by Embodiment 2 of the present invention, for the ease of
Illustrate, illustrates only and the relevant part of the embodiment of the present invention.
The host communication device can be the list of the software unit being built in host, hardware cell or soft or hard combination
Member can also be used as independent pendant and be integrated into the host.
The device of the main-machine communication, including：
Sending module 21 is used for through the serial line interface to external equipment transmission data, and monitors the external equipment
The reply data of transmission；
First processing module 22 continues logical according to serial ports if for listening to the reply data in preset time
Interrogate agreement and the external device communication；
Second processing module 23, if for not hearing the reply data in preset time, by the serial interface
Mouth is used as an input interface, and the input for receiving the external equipment instructs.
Wherein, the external equipment includes serial communication equipment or mechanical keyswitch.
Optionally, the sending module 21 is specifically used for：
When the system is first powered on by the serial line interface to external equipment transmission data, and monitors the external equipment and send
Reply data.
Optionally, the Second processing module 23 is specifically used for：
If not hearing the reply data in preset time, the resistance at the serial line interface is all set to
Upper pull-mode, as an input interface, the input for receiving the external equipment instructs.
Embodiment three
Fig. 3 is the structural schematic diagram for the host that the embodiment of the present invention three provides.As shown in figure 3, the host 3 of the embodiment wraps
It includes：Processor 30, memory 31 and it is stored in the computer that can be run in the memory 31 and on the processor 30
Program 32.The processor 30 realizes the step in above-mentioned each embodiment of the method one, example when executing the computer program 32
Step S101 to S103 as shown in Figure 1.The processor 30 realizes that above-mentioned each device is real when executing the computer program 32
Apply the function of each module/unit in example, such as the function of module 21 to 23 shown in Fig. 2.
Illustratively, the computer program 32 can be divided into one or more module/units, it is one or
Multiple module/units are stored in the memory 31, and are executed by the processor 30, to complete the present invention.Described one
A or multiple module/units can be the series of computation machine program instruction section that can complete specific function, which is used for
Implementation procedure of the computer program 32 in the host 3 is described.For example, the computer program 32 can be divided into
Sending module, first processing module and Second processing module, each module concrete function are as follows：
Sending module is used for through the serial line interface to external equipment transmission data, and monitors the external equipment hair
The reply data sent；
First processing module continues if for listening to the reply data in preset time according to serial communication
Agreement and the external device communication；
Second processing module, if for not hearing the reply data in preset time, by the serial line interface
As an input interface, the input for receiving the external equipment instructs.
The host 3 can be the computing devices such as desktop PC, notebook, palm PC and cloud server.Institute
It states host may include, but is not limited only to, processor 30, memory 31.It will be understood by those skilled in the art that Fig. 3 is only to lead
The example of machine 3 does not constitute the restriction to host 3, may include than illustrating more or fewer components, or the certain portions of combination
Part or different components, such as the host can also enter equipment, bus etc. including input-output equipment, Network Dept..
The processor 30 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), application-specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor can also be any conventional processor
Deng.
The memory 31 can be the internal storage unit of the host 3, such as the hard disk or memory of host 3.It is described
Memory 31 can also be the interpolating unit formula hard disk being equipped on the External memory equipment of the host 3, such as the host 3, intelligence
Storage card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card, flash card (Flash Card)
Deng.Further, the memory 31 can also both include the internal storage unit of the host 3 or be set including external storage
It is standby.The memory 31 is used to store other programs and data needed for the computer program and the host.It is described to deposit
Reservoir 31 can be also used for temporarily storing the data that has exported or will export.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may realize that each embodiment described in conjunction with the examples disclosed in this document
Module, unit and/or method and step can be realized with the combination of electronic hardware or computer software and electronic hardware.This
A little functions are implemented in hardware or software actually, depend on the specific application and design constraint of technical solution.Specially
Industry technical staff can use different methods to achieve the described function each specific application, but this realization is not
It is considered as beyond the scope of this invention.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling or the coupling of straight portion or communication link portion discussed can be portion's coupling between device or unit by some portions mouthful
Conjunction or communication link portion can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, the present invention realizes above-described embodiment side
All or part of flow in method can also instruct relevant hardware to complete, the computer by computer program
Program can be stored in a computer readable storage medium, and the computer program is when being executed by processor, it can be achieved that above-mentioned each
The step of a embodiment of the method.Wherein, the computer program includes computer program code, and the computer program code can
Think source code form, object identification code form, executable file or certain intermediate forms etc..The computer-readable medium can be with
Including：Any entity or device, recording medium, USB flash disk, mobile hard disk, magnetic disc, light of the computer program code can be carried
Disk, 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 should be noted that the computer
The content that readable medium includes can carry out increase and decrease appropriate according to legislation in jurisdiction and the requirement of patent practice, such as
In certain jurisdictions, according to legislation and patent practice, computer-readable medium does not include electric carrier signal and telecommunication signal.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Stating embodiment, invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modification or replacement, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of control method of serial line interface, which is characterized in that be applied to host, the host includes One serial interface, institute
Host is stated to connect with external equipment by the serial line interface, the method includes：
By the serial line interface to external equipment transmission data, and monitor the reply data that the external equipment is sent；
If listening to the reply data in preset time, continue logical according to serial port communicating protocol and the external equipment
Letter；
If not hearing the reply data in preset time, using the serial line interface as an input interface, for connecing
Receive the input instruction of the external equipment.
2. according to the method described in claim 1, it is characterized in that, described send number by the serial line interface to external equipment
According to, and monitor the reply data that the external equipment is sent and include：
When the system is first powered on by the serial line interface to external equipment transmission data, and monitor answering for the external equipment transmission
Answer evidence.
3. according to the method described in claim 1, it is characterized in that, the serial port communicating protocol includes：R232 serial communications are assisted
View.
4. if according to the method described in claim 1, it is characterized in that, described do not hear the answer number in preset time
According to then using the serial line interface as an input interface, the input for receiving the external equipment, which instructs, includes：
If not hearing the reply data in preset time, the resistance at the serial line interface is all set to pull up
Pattern, as an input interface, the input for receiving the external equipment instructs.
5. method according to claim 1 to 4, which is characterized in that the external equipment includes serial communication
Equipment or mechanical keyswitch.
6. a kind of control device of serial line interface, which is characterized in that be applied to host, the host includes One serial interface, institute
It states host to connect with external equipment by the serial line interface, described device includes：
Sending module is used for through the serial line interface to external equipment transmission data, and monitors what the external equipment was sent
Reply data；
First processing module continues if for listening to the reply data in preset time according to serial port communicating protocol
With the external device communication；
Second processing module, if for not hearing the reply data in preset time, using the serial line interface as
One input interface, the input for receiving the external equipment instruct.
7. device according to claim 6, which is characterized in that the sending module is specifically used for：
When the system is first powered on by the serial line interface to external equipment transmission data, and monitor answering for the external equipment transmission
Answer evidence.
8. device according to claim 6, which is characterized in that the Second processing module is specifically used for：
If not hearing the reply data in preset time, the resistance at the serial line interface is all set to pull up
Pattern, as an input interface, the input for receiving the external equipment instructs.
9. a kind of host, including memory, processor and it is stored in the memory and can runs on the processor
Computer program, which is characterized in that the processor is realized when executing the computer program as appointed in claim 1 to 5
The step of one the method.
10. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, feature to exist
In when the computer program is executed by processor the step of realization any one of such as claim 1 to 5 the method.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810162640.0A CN108399136B (en) | 2018-02-26 | 2018-02-26 | Control method and device of serial interface and host |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810162640.0A CN108399136B (en) | 2018-02-26 | 2018-02-26 | Control method and device of serial interface and host |
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| CN108399136B CN108399136B (en) | 2020-06-19 |
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| CN201810162640.0A Active CN108399136B (en) | 2018-02-26 | 2018-02-26 | Control method and device of serial interface and host |
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| CN109993265A (en) * | 2019-04-01 | 2019-07-09 | 钱咸升(北京)网络科技股份公司 | A kind of key control device, device and method |
| CN111552492A (en) * | 2020-04-22 | 2020-08-18 | 深圳宝龙达信创科技股份有限公司 | Upgrading device, method, system, terminal equipment and medium of embedded controller |
| CN113094305A (en) * | 2021-04-02 | 2021-07-09 | 北京黑蚁兄弟科技有限公司 | Asynchronous communication processing method, device and storage medium |
| CN113127287A (en) * | 2019-12-31 | 2021-07-16 | 北京车和家信息技术有限公司 | Processor control method and device and electronic equipment |
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| CN108399136B (en) | 2020-06-19 |
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