CN107678988A - A kind of multifunctional serial port device and implementation method - Google Patents
A kind of multifunctional serial port device and implementation method Download PDFInfo
- Publication number
- CN107678988A CN107678988A CN201710806479.1A CN201710806479A CN107678988A CN 107678988 A CN107678988 A CN 107678988A CN 201710806479 A CN201710806479 A CN 201710806479A CN 107678988 A CN107678988 A CN 107678988A
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- com
- serial port
- mainboard
- signal
- function switch
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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
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
-
- 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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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Programmable Controllers (AREA)
Abstract
The present invention provides a kind of multifunctional serial port device and implementation method, by the way that the multi-group serial port on mainboard is signally attached into programming device, COM function switch signals are sent to programming device by BMC orders or button, programming device is decoded according to function switch signal behavior to which group rs 232 serial interface signal, and decoded rs 232 serial interface signal is exported to serial ports physical interface；By the cooperation of function switch signal, now single serial ports physical interface can support multiple serial port functions.
Description
Technical field
The present invention relates to computer server technical field, and in particular to a kind of multifunctional serial port device and implementation method.
Background technology
The serial ports physical interface of server master board is all that single function is special, the corresponding serial ports physical interface of one group of signal.
, it is necessary to use multiple serial ports (COM) when server debugging or O＆M, such as BMC serial ports, system serial ports etc..Due to present
Server master board it is more and more narrow, multiple serial ports (COM) physical interface can not be put, to debugging with O＆M bring greatly not
It is convenient.
Multi-group serial port signal is supported by the highdensity physical interface of small size, then by patchcord, is converted into standard
Serial ports physical interface, be still finally the corresponding physical interface of one group of signal.
In addition such scheme needs also exist for extra small size high-density connector and patchcord, and cost is high, and operation is not
The problems such as facilitating.
Therefore for above-mentioned existing problem, it is necessary to carry out developmental research in fact, to provide a kind of scheme, can makes
With single serial ports physical interface, multifunctional serial port function is realized.
The content of the invention
In order to solve the above technical problems, it is a kind of multifunctional serial port implementation that the present invention, which provides, it is specific as follows：
In a first aspect, the present invention, which provides a kind of multifunctional serial port device, includes programming device, set on programming device
There is control port, signal end, system external signal end in system, programming device passes through signal end in system and each core on mainboard
Piece connects, and to receive multigroup COM signals on mainboard, CPLD obtains function switch signal by control port, and according to function
Switching signal is decoded to the COM signals received from mainboard, and programming device is connect by system external signal end and COM physics
Mouth connection, by decoded mainboard COM signal outputs to COM physical interfaces.
Further, programming device includes complex programmable logic device (CPLD) or on-site programmable gate array FPGA.
Further, each chip on mainboard includes baseboard management controller BMC, PCH.
Further, multigroup COM signals on mainboard include BMC COM signals, system COM signals, SOL COM signals.
Further, function switch signal can be provided by baseboard management controller BMC.
Further, multifunctional serial port device also includes a physical button, and function switch signal can be carried by the physical button
For.
Second aspect, the present invention provide a kind of multifunctional serial port implementation method, including：
SS1：Multigroup COM signals on mainboard are connected on programming device；
SS2：Receive capabilities switching signal；
SS3：Programming device is by function switch signal, COM signals corresponding to selection decoding；
SS4：Give decoded COM signal outputs to serial ports physical interface.
Further, the function switch signal in step SS2 is provided by baseboard management controller BMC.
Further, the function switch signal in step SS2 is provided by peripheral hardware physical button.
Further, multigroup COM signals in step SS1 on mainboard include BMC COM signals, system COM signals, SOL
COM signals.
By the solution of the present invention, using existing device, by specific circuit design and Software for Design, a string is completed
Mouth physical interface realizes multi-functional purpose, saves design cost, improves O＆M efficiency.
Brief description of the drawings
Fig. 1 shows the structured flowchart of multifunctional serial port device of the present invention.
Fig. 2 shows multifunctional serial port implementation method flow chart of the present invention.
Embodiment
Technical scheme is further illustrated below in conjunction with Figure of description and specific embodiment.It should be appreciated that this
The specific embodiment of place description is not intended to limit the present invention only to explain the present invention.
Fig. 1 is the structured flowchart of the multifunctional serial port device of one embodiment of the invention.
As shown in figure 1, multifunctional serial port device according to embodiments of the present invention, including complex programmable logic device (CPLD)
(Complex Programmable Logic Device), control port, signal end in system are provided with CPLD, outside system
Signal end, CPLD are connected by signal end in system with each chip on mainboard, to receive multigroup COM signals on mainboard,
CPLD obtains function switch signal by control port, and the COM signals received from mainboard are entered according to function switch signal
Row decoding, CPLD is connected by system external signal end with COM physical interfaces, by decoded mainboard COM signal outputs to COM
Physical interface.
In addition, complex programmable logic device (CPLD) can be by the programming device generation such as on-site programmable gate array FPGA
Replace.
Each chip on mainboard includes：Baseboard management controller BMC (Baseboard Management
Controller), PCH etc..
Multigroup COM signals on mainboard include：BMC COM signals, system COM signals, SOL COM signals etc..
According to one embodiment of the invention, function switch signal can be provided by baseboard management controller BMC.
According to one embodiment of the invention, multifunctional serial port device also includes a physical button, and function switch signal can be by
The physical button provides.
By the way that the multi-group serial port on mainboard is signally attached into CPLD, COM functions are sent by BMC orders or button A
To CPLD, CPLD is decoded switching signal according to function switch signal behavior to which group rs 232 serial interface signal, and by decoded string
Mouthful signal output is to serial ports physical interface；By the cooperation of function switch signal, now single serial ports physical interface can prop up
Hold multiple serial port functions.BMC and CPLD is the existing chip of server master board, and no extra cost produces.
Fig. 2 is the multifunctional serial port implementation method flow chart of one embodiment of the invention.
As shown in Fig. 2 multifunctional serial port implementation method according to embodiments of the present invention, including：
SS1：Multigroup COM signals on mainboard are connected on CPLD；
SS2：Receive capabilities switching signal；
SS3：CPLD is by function switch signal, COM signals corresponding to selection decoding；
SS4：Give decoded COM signal outputs to serial ports physical interface.
According to one embodiment of the invention, the function switch signal in step SS2 is provided by baseboard management controller BMC.
According to one embodiment of the invention, the function switch signal in step SS2 is provided by peripheral hardware physical button.
According to one embodiment of the invention, multigroup COM signals on mainboard include：BMC COM signals, system COM signals,
SOL COM signals etc..
By above step, you can complete a multi-functional single physical serial interface design.
Equally, complex programmable logic device (CPLD) can be by the programming device generation such as on-site programmable gate array FPGA
Replace.
By the solution of the present invention, multi-channel serial port signal is decoded and selected by mainboard programming device, then
Further according to selection signal, Serial Port Information corresponding to progress exports, so as to reach the design mesh of a multifunctional serial port physical interface
's.
The present invention, by specific circuit design and Software for Design, completes a serial ports physical interface using existing device
Multi-functional purpose is realized, saves design cost, improves O＆M efficiency
Although having been described for some aspects in the context of device, it is apparent that these aspects also illustrate that corresponding method
Description, wherein block or apparatus and method for step or the feature of method and step be corresponding.Similarly, in the context of method and step
Described in each side also illustrate that corresponding to block or project or the feature of corresponding intrument description.(or use) can be passed through
Hardware unit such as microprocessor, programmable calculator or electronic circuit etc is some or all of in method and step to perform.
Can be performed by such device in most important method and step some or it is multiple.
The realization can use hardware or using software or can use for example floppy disk, DVD, blue light, CD, ROM,
There is the stored digital for being stored in electronically readable control signal thereon to be situated between for PROM, EPROM, EEPROM or flash memory etc
Matter performs, and the electronically readable control signal coordinates (or can coordinate with it) with so that performing with programmable computer system
Corresponding method.The data medium with electronically readable control signal can be provided, the electronically readable control signal can be with
Programmable computer system coordinates to perform approach described herein.
The realization can also use the form of the computer program product with program code, work as computer program product
When running on computers, program code is operated to perform this method.Can in machine-readable carrier storage program generation
Code.
Described above be only it is illustrative, and it is to be understood that it is described herein arrangement and details modification and
Change will be apparent to those skilled in the art.It is therefore intended that only by scope of the following claims rather than by
The specific detail that is presented limits by way of above description and explaining.
Claims (10)
1. a kind of multifunctional serial port device, it is characterised in that including programming device, control terminal is provided with programming device
Signal end, system external signal end in mouth, system, programming device are connected by signal end in system with each chip on mainboard,
To receive multigroup COM signals on mainboard, CPLD obtains function switch signal by control port, and according to function switch signal
The COM signals received from mainboard are decoded, programming device is connected by system external signal end with COM physical interfaces,
With by decoded mainboard COM signal outputs to COM physical interfaces.
2. multifunctional serial port device according to claim 1, wherein programming device include CPLD
CPLD or on-site programmable gate array FPGA.
3. multifunctional serial port device according to claim 1, each chip wherein on mainboard includes baseboard management controller
BMC、PCH。
4. multifunctional serial port device according to claim 1, multigroup COM signals wherein on mainboard are believed including BMC COM
Number, system COM signals, SOL COM signals.
5. multifunctional serial port device according to claim 1, wherein function switch signal can be by baseboard management controller BMC
There is provided.
6. multifunctional serial port device according to claim 1, wherein multifunctional serial port device also include a physical button, work(
Energy switching signal can be provided by the physical button.
A kind of 7. multifunctional serial port implementation method, it is characterised in that including：
SS1：Multigroup COM signals on mainboard are connected on programming device；
SS2：Receive capabilities switching signal；
SS3：Programming device is by function switch signal, COM signals corresponding to selection decoding；
SS4：Give decoded COM signal outputs to serial ports physical interface.
8. the function switch signal in multifunctional serial port implementation method according to claim 6, wherein step SS2 is by substrate
Management Controller BMC is provided.
9. the function switch signal in multifunctional serial port implementation method according to claim 6, wherein step SS2 is by peripheral hardware
Physical button provides.
10. multigroup COM signals in multifunctional serial port implementation method according to claim 6, wherein step SS1 on mainboard
Including BMC COM signals, system COM signals, SOL COM signals.
Priority Applications (1)
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| CN201710806479.1A CN107678988A (en) | 2017-09-08 | 2017-09-08 | A kind of multifunctional serial port device and implementation method |
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| CN201710806479.1A CN107678988A (en) | 2017-09-08 | 2017-09-08 | A kind of multifunctional serial port device and implementation method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109062828A (en) * | 2018-07-19 | 2018-12-21 | 郑州云海信息技术有限公司 | A kind of CPLD and storage control circuit |
| CN110362525A (en) * | 2019-06-17 | 2019-10-22 | 苏州浪潮智能科技有限公司 | A kind of method, system and board for realizing Multi-serial port switching based on CPLD |
| CN110659233A (en) * | 2019-09-11 | 2020-01-07 | 苏州浪潮智能科技有限公司 | Serial port information switching device and server |
| TWI700581B (en) * | 2018-08-22 | 2020-08-01 | 神雲科技股份有限公司 | Server and error detecting method thereof |
| CN112015689A (en) * | 2019-05-29 | 2020-12-01 | 阿里巴巴集团控股有限公司 | Serial port output path switching method, system and device and switch |
| CN112464630A (en) * | 2020-11-30 | 2021-03-09 | 海南电网有限责任公司定安供电局 | Automatic generation method and system for scheduling instruction ticket |
| CN112506172A (en) * | 2020-12-07 | 2021-03-16 | 天津津航计算技术研究所 | Multi-CPLD real-time monitoring device |
| CN113094316A (en) * | 2021-04-01 | 2021-07-09 | 浪潮电子信息产业股份有限公司 | Online switching device and method of NCSI (non-volatile memory) signals |
| CN113392054A (en) * | 2021-08-17 | 2021-09-14 | 苏州浪潮智能科技有限公司 | Interface integrated circuit and server |
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| CN106339344A (en) * | 2016-08-18 | 2017-01-18 | 浪潮(北京)电子信息产业有限公司 | Multi-serial port switching system and method used for debugging server system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109062828A (en) * | 2018-07-19 | 2018-12-21 | 郑州云海信息技术有限公司 | A kind of CPLD and storage control circuit |
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| TWI700581B (en) * | 2018-08-22 | 2020-08-01 | 神雲科技股份有限公司 | Server and error detecting method thereof |
| CN112015689A (en) * | 2019-05-29 | 2020-12-01 | 阿里巴巴集团控股有限公司 | Serial port output path switching method, system and device and switch |
| WO2020238747A1 (en) * | 2019-05-29 | 2020-12-03 | 阿里巴巴集团控股有限公司 | Serial port output path switching method, system and apparatus, and switch |
| CN110362525B (en) * | 2019-06-17 | 2022-03-22 | 苏州浪潮智能科技有限公司 | Method, system and board card for realizing multi-serial port switching based on CPLD |
| CN110362525A (en) * | 2019-06-17 | 2019-10-22 | 苏州浪潮智能科技有限公司 | A kind of method, system and board for realizing Multi-serial port switching based on CPLD |
| CN110659233A (en) * | 2019-09-11 | 2020-01-07 | 苏州浪潮智能科技有限公司 | Serial port information switching device and server |
| CN112464630A (en) * | 2020-11-30 | 2021-03-09 | 海南电网有限责任公司定安供电局 | Automatic generation method and system for scheduling instruction ticket |
| CN112506172A (en) * | 2020-12-07 | 2021-03-16 | 天津津航计算技术研究所 | Multi-CPLD real-time monitoring device |
| CN112506172B (en) * | 2020-12-07 | 2022-09-30 | 天津津航计算技术研究所 | Multi-CPLD real-time monitoring device |
| CN113094316A (en) * | 2021-04-01 | 2021-07-09 | 浪潮电子信息产业股份有限公司 | Online switching device and method of NCSI (non-volatile memory) signals |
| CN113094316B (en) * | 2021-04-01 | 2022-11-25 | 浪潮电子信息产业股份有限公司 | Online switching device and method of NCSI (non-volatile memory) signals |
| CN113392054A (en) * | 2021-08-17 | 2021-09-14 | 苏州浪潮智能科技有限公司 | Interface integrated circuit and server |
| CN113392054B (en) * | 2021-08-17 | 2021-10-29 | 苏州浪潮智能科技有限公司 | Interface integrated circuit and server |
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Application publication date: 20180209 |