CN108845897A - Serial communication adjustment method, device and storage medium - Google Patents
Serial communication adjustment method, device and storage medium Download PDFInfo
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- CN108845897A CN108845897A CN201810513287.6A CN201810513287A CN108845897A CN 108845897 A CN108845897 A CN 108845897A CN 201810513287 A CN201810513287 A CN 201810513287A CN 108845897 A CN108845897 A CN 108845897A
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- baud rate
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/221—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test buses, lines or interfaces, e.g. stuck-at or open line faults
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2273—Test methods
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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
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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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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Abstract
The invention discloses a kind of serial communication adjustment method, device and storage mediums, including：The Configuration of baud rate of serial communication is enumerated, or calculates serial communication signal pulse width to identify serial communication baud rate；The data bit, stop position, even-odd check of serial communication are set；Switch receiving end and the transmitting terminal of serial communication, to match the transmitting-receiving control of the serial communication both sides.It further include setting serial communication level conversion, to match the level of serial communication both sides, and setting processor output and input level, to obtain the matched level of processor and serial communication.In addition, device disclosed by the invention further includes Configuration of baud rate module, agreement setup module, transmitting-receiving switching module.Compared with the prior art, the present invention alleviates serial communication and starts the longer problem of debugging cycle.
Description
Technical field
The present invention relates to serial communication field more particularly to a kind of serial communication adjustment methods, device and storage medium.
Background technique
In the modern communication technology, serial communication is difficult due to the support that its structure is simple, does not need operating system, exploitation
Spend that low, cost is few, simple and practical, the convenient feature of plug is used widely, the processor of many embedded solutions is logical
Letter has all selected serial communication.In serial communication development process, many difficulties can be encountered when debugging serial ports, be not because soft
The problem of part agreement, but serial communication foundation there is a problem, mainly due to the incompatible or connection error of communicating pair
The failure for causing communication can delay the progress of serial communication exploitation in this way.
In consideration of it, realizing string the purpose of the present invention is to provide a kind of serial communication adjustment method, device and storage medium
The method that port communications quickly establish connection reduces the development cycle of serial communication.
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 serial communication adjustment method, device and
Storage medium, to alleviate problem of the existing technology.
In a first aspect, the present invention provides a kind of serial communication adjustment methods, including：The baud rate for enumerating serial communication is set
It sets, or calculates serial communication signal pulse width to identify serial communication baud rate；The data bit of serial communication is set, is stopped
Position, even-odd check；Switch receiving end and the transmitting terminal of serial communication, to match the transmitting-receiving control of the serial communication both sides.
Further, calculating serial communication signal pulse width in the method for identifying serial communication baud rate includes：It is going here and there
The receiving end setting signal porch of port communications detects, and calculates serial communication signal pulse width, obtains single pulse occupancy
Time, to identify serial communication baud rate.
Further, the method for the receiving end and transmitting terminal that switch serial communication includes：The receiving end of serial communication and hair
Sending end access gating chip, control gate chip to switch receiving end and the transmitting terminal of serial communication.
Optionally, including：Serial communication level conversion is set, to match the level of serial communication both sides.
Optionally, further include：Processor output and input level is set, to obtain the matching electricity of processor and serial communication
It is flat.
Second aspect, the present invention provides a kind of serial communication debugging apparatus, including：Configuration of baud rate module enumerates string
The Configuration of baud rate of port communications, or serial communication signal pulse width is calculated to identify serial communication baud rate；Mould is arranged in agreement
The data bit, stop position, even-odd check of serial communication is arranged in block；Switching module is received and dispatched, receiving end and the hair of serial communication are switched
Sending end, to match the transmitting-receiving control of serial communication both sides.
Optionally, including：Serial communication level conversion is arranged, to match the electricity of serial communication both sides in level switch module
It is flat.
Optionally, further include：Processor output and input level is arranged in processor setup module, to obtain processor and string
The matched level of port communications.
The third aspect, the present invention provides a kind of serial communication debugging apparatus, including：Processor；For storage processor
The memory of executable instruction；Wherein, processor is configured as enumerating the Configuration of baud rate of serial communication, or calculates serial communication
Signal pulse width is to identify serial communication baud rate；The data bit, stop position, even-odd check of serial communication are set；Switching string
The receiving end of port communications and transmitting terminal, to match the transmitting-receiving control of serial communication both sides.
Fourth aspect, the present invention provides a kind of computer readable storage mediums, are stored thereon with computer program instructions,
The step of serial communication adjustment method provided by first aspect is realized when the program instruction is executed by processor.
Technical solution provided by the invention can include the following benefits：Baud rate by enumerating serial communication is set
It sets, or calculates serial communication signal pulse width to identify serial communication baud rate；The data bit of serial communication is set, is stopped
Position, even-odd check；Switch receiving end and the transmitting terminal of serial communication, to match the transmitting-receiving control of the serial communication both sides.This
Sample, serial communication adjustment method provided by the invention have reached the method for realizing that serial communication quickly establishes connection, reduce string
The development cycle of port communications.
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 serial communication adjustment method flow chart of first embodiment of the invention；
Fig. 2 is a kind of serial communication debugging apparatus structural schematic diagram of second embodiment of the invention；
Fig. 3 is a kind of serial communication debugging apparatus structural schematic diagram 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 serial communication adjustment method flow chart of first embodiment of the invention, as shown in Figure 1, this method packet
Include following four steps.
Step S101：The conversion of serial communication line level, the setting of processor output and input level.Specifically, serial ports is set
Communication level conversion, to match the level of serial communication both sides.Processor output and input level is set, to obtain processor and string
The matched level of port communications.
In an alternative embodiment, there can be a variety of possible level standards on serial communication route.For example, for
RS232 level and Transistor-Transistor Logic level, RS232 regard -3~-15V as logical zero as logic 1 ,+3~+15, and Transistor-Transistor Logic level is thought
1.7V is once logical zero, and the above are logics 1 by 3.5V.In order to guarantee the normal implementation of communication, it is necessary to which the level of both sides is consistent.
In order to guarantee the matching of level, need to be arranged the electrical level transferring chip of CMOS and TTL, TTL and RS232, CMOS and RS232, with
The conversion between different communication level is adapted to, to guarantee to cover the commissioning requirements of various serial communication routes.
In another alternative embodiment, need to be arranged the output and input level of processor, to obtain processor and string
The matched level of port communications, such as settable 1.8V, 3.3V or 5V.
Step S102：Switch receiving end and the transmitting terminal of the serial communication.Specifically, switch the receiving end of serial communication
Method with transmitting terminal includes：The receiving end of serial communication and transmitting terminal access gating chip, control gating chip is to switch string
The receiving end of port communications and transmitting terminal.
In an alternative embodiment, the receiving end of serial communication and transmitting terminal access gating chip 74LS373, by
Device control 74LS373 is managed to gate different channels, so that receiving end and transmitting terminal can be interchanged, so as to quickly be gone here and there
The debugging of mouth.
Step S103：The baud rate of serial communication identifies and setting.It specifically includes：The baud rate for enumerating serial communication is set
It sets, or calculates serial communication signal pulse width to identify serial communication baud rate.Calculate serial communication signal pulse width with
Identification serial communication baud rate method include：It is detected in the receiving end setting signal porch of serial communication, calculates serial ports
Signal of communication pulse width obtains the time of single pulse occupancy, to identify serial communication baud rate.
In an alternative embodiment, by way of the baud rate for enumerating serial communication, the tune of serial communication is carried out
Examination.For example, enumerating common serial port baud rate 9600,19200,38400 etc., to obtain the matched baud of communicating pair
Rate.
In another alternative embodiment, by receive other side serial ports signal carry out baud rate identification with set
It sets.For example, opening serial ports receiving end edge triggered interruption, by the pulse width of the position data in detection communication, obtain single
The time that pulse occupies, to identify serial communication baud rate.
Step S104：The data bit, stop position, even-odd check of serial communication are set.
Needing to be illustrated is, the data bit of serial communication, stop position, even-odd check belong to communication protocol scope, needs
It is provided in strict accordance with communicating pair agreement.
Embodiment two：
The embodiment of the invention provides a kind of serial communication debugging apparatus, which is mainly used for executing the embodiment of the present invention
Serial communication adjustment method provided by above content does serial communication debugging apparatus provided in an embodiment of the present invention have below
Body introduction.
Fig. 2 is a kind of structural schematic diagram of serial communication debugging apparatus of second embodiment of the invention.As shown in Fig. 2, should
Serial communication debugging apparatus 200 comprises the following modules.
Configuration of baud rate module 201 enumerates the Configuration of baud rate of serial communication, or calculates serial communication signal pulse width
To identify serial communication baud rate；
The data bit, stop position, even-odd check of serial communication is arranged in agreement setup module 202；
Switching module 203 is received and dispatched, switches receiving end and the transmitting terminal of serial communication, to match the transmitting-receiving of serial communication both sides
Control.
It optionally includes：Serial communication level conversion is arranged, to match serial communication both sides' in level switch module 204
Level.
Optionally further comprising：Processor setup module 205, be arranged processor output and input level, with obtain processor with
The matched level of serial communication.
Embodiment three：
The embodiment of the invention also provides a kind of serial communication debugging apparatus.As shown in figure 3, the serial communication of the embodiment
Debugging apparatus 300 includes：Processor 301, memory 302, serial ports 303, and storage is in the memory 302 and can be in processor
The computer program run on 301, such as the program is for realizing serial ports 303 and PERCOM peripheral communication.Processor 301 executes computer
Realize the step in above-mentioned each serial communication adjustment method embodiment when program, such as step S101, S102 shown in FIG. 1,
S103 and S104.Alternatively, processor 301 realizes the function of each module in above-mentioned each Installation practice when executing computer program,
Such as the module in Fig. 2 is to realize serial ports 303 and PERCOM peripheral communication.
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 serial communication debugging apparatus.It is set for example, the computer program can be divided into baud rate
It is as follows to set module, agreement setup module and transmitting-receiving switching module, each module concrete function：Configuration of baud rate module, enumerates serial ports
The Configuration of baud rate of communication, or serial communication signal pulse width is calculated to identify serial communication baud rate；Agreement setup module,
The data bit, stop position, even-odd check of serial communication are set；Switching module is received and dispatched, receiving end and the transmission of serial communication are switched
End, to match the transmitting-receiving control of serial communication both sides.
The serial communication debugging apparatus can be SCM system, desktop PC, notebook, palm PC and cloud
Server etc. is held to calculate equipment.The serial communication debugging apparatus may include, but be not limited only to, processor, memory.This field
Technical staff is appreciated that the schematic diagram is only the example of serial communication debugging apparatus, does not constitute to serial communication tune
The restriction that trial assembly is set may include perhaps combining certain components or different components than illustrating more or fewer components,
Such as the serial communication debugging apparatus 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 serial communication debugging apparatus, benefit
With the various pieces of various interfaces and the entire serial communication debugging apparatus 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 serial communication debugging apparatus.The memory can mainly include storing program area and storage data area, wherein deposit
Store up program area can application program needed for storage program area, at least one function (for example sound-playing function, image play function
Energy is equal) etc.；Storage data area, which can be stored, uses created data (such as audio data, phone directory etc.) etc. according to mobile phone.
Can also include nonvolatile memory in addition, memory may include high-speed random access memory, for example, hard disk, memory,
Plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card dodge
Deposit card (Flash Card), at least one disk memory, flush memory device or other volatile solid-state parts.
Example IV：
If the integrated module of serial communication debugging apparatus is realized in the form of SFU software functional unit and as independent production
Product when selling or using, can store in a computer readable storage medium.Based on this understanding, the present invention realizes
All or part of the process in above-described embodiment method can also instruct relevant hardware to complete by computer program,
The computer program can be stored in a computer readable storage medium, the computer program when being executed by processor,
The step of above-mentioned each embodiment of the method can be achieved.Wherein, the computer program includes computer program code, the calculating
Machine program code can be source code form, object identification code form, executable file or certain intermediate forms etc..The computer
Readable medium may include：Any entity or device, recording medium, USB flash disk, the movement of the computer program code can be carried
Hard 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 serial communication adjustment method, which is characterized in that including：
The Configuration of baud rate of serial communication is enumerated, or calculates the serial communication signal pulse width to identify serial communication baud
Rate；
The data bit, stop position, even-odd check of the serial communication are set；
Switch receiving end and the transmitting terminal of the serial communication, to match the transmitting-receiving control of the serial communication both sides.
2. the method according to claim 1, wherein calculating the serial communication signal pulse width to identify string
The method of port communications baud rate includes：
It is detected in the receiving end setting signal porch of the serial communication, calculates the serial communication signal pulse width,
The time of single pulse occupancy is obtained, to identify serial communication baud rate.
3. the method according to claim 1, wherein switching the receiving end of the serial communication and the side of transmitting terminal
Method includes：
The receiving end of the serial communication and transmitting terminal access gating chip, it is logical to switch the serial ports to control the gating chip
The receiving end of letter and transmitting terminal.
4. the method according to claim 1, wherein including：Serial communication level conversion is set, described in matching
The level of serial communication both sides.
5. the method according to claim 1, wherein further including：Processor output and input level is set, to obtain
The matched level of the processor and serial communication.
6. a kind of serial communication debugging apparatus, which is characterized in that including：
Configuration of baud rate module, enumerates the Configuration of baud rate of serial communication, or calculate the serial communication signal pulse width with
Identify serial communication baud rate；
The data bit, stop position, even-odd check of the serial communication is arranged in agreement setup module；
Switching module is received and dispatched, switches receiving end and the transmitting terminal of the serial communication, to match the receipts of the serial communication both sides
Hair control.
7. device according to claim 6, which is characterized in that further include：
Serial communication level conversion is arranged, to match the level of the serial communication both sides in level switch module.
8. device according to claim 6, which is characterized in that further include：
Processor output and input level is arranged in processor setup module, to obtain the matching electricity of the processor and serial communication
It is flat.
9. a kind of serial communication debugging apparatus, which is characterized in that including：
Processor；
Memory for storage processor executable instruction；
Wherein, the processor is configured to：The Configuration of baud rate of serial communication is enumerated, or calculates the serial communication signal arteries and veins
Width is rushed to identify serial communication baud rate；The data bit, stop position, even-odd check of the serial communication are set；Described in switching
The receiving end of serial communication and transmitting terminal, to match the transmitting-receiving control of the serial communication both sides.
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 5 the method is realized when being executed by processor.
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| CN201810513287.6A CN108845897A (en) | 2018-05-25 | 2018-05-25 | Serial communication adjustment method, device and storage medium |
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| CN110412911A (en) * | 2019-07-15 | 2019-11-05 | 广东爱美信电器有限公司 | A kind of serial communication electrical level matching circuit and intelligence control system |
| CN110688338A (en) * | 2019-09-12 | 2020-01-14 | 深圳市航顺芯片技术研发有限公司 | Baud rate generation method, terminal and storage medium |
| CN110704352A (en) * | 2019-09-25 | 2020-01-17 | 苏州浪潮智能科技有限公司 | Multi-serial port management equipment, method and device and storage medium |
| CN111124969A (en) * | 2019-12-26 | 2020-05-08 | 山西银河电子设备厂 | Improved serial port conversion module based on FPGA |
| CN111400216A (en) * | 2019-01-03 | 2020-07-10 | 珠海格力电器股份有限公司 | UART module, UART module transmission parameter adjusting method and system-on-chip |
| CN111679839A (en) * | 2020-06-09 | 2020-09-18 | 电子科技大学 | On-line programming method of MCU FLASH |
| CN112162944A (en) * | 2020-10-15 | 2021-01-01 | 珠海格力电器股份有限公司 | Serial communication control method, processor, serial communication system and storage medium |
| CN113557688A (en) * | 2019-04-24 | 2021-10-26 | 欧姆龙株式会社 | Serial data communication device |
| CN117254884A (en) * | 2023-11-14 | 2023-12-19 | 深圳市顾美科技有限公司 | Communication baud rate debugging method, device, equipment and storage medium |
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| CN111124969A (en) * | 2019-12-26 | 2020-05-08 | 山西银河电子设备厂 | Improved serial port conversion module based on FPGA |
| CN111679839A (en) * | 2020-06-09 | 2020-09-18 | 电子科技大学 | On-line programming method of MCU FLASH |
| CN112162944A (en) * | 2020-10-15 | 2021-01-01 | 珠海格力电器股份有限公司 | Serial communication control method, processor, serial communication system and storage medium |
| CN117254884B (en) * | 2023-11-14 | 2024-01-30 | 深圳市顾美科技有限公司 | Communication baud rate debugging method, device, equipment and storage medium |
| CN117254884A (en) * | 2023-11-14 | 2023-12-19 | 深圳市顾美科技有限公司 | Communication baud rate debugging method, device, equipment and storage medium |
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