CN107766241A - A kind of server physical serial interface shared system and serial ports sharing method - Google Patents
A kind of server physical serial interface shared system and serial ports sharing method Download PDFInfo
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- CN107766241A CN107766241A CN201710919297.5A CN201710919297A CN107766241A CN 107766241 A CN107766241 A CN 107766241A CN 201710919297 A CN201710919297 A CN 201710919297A CN 107766241 A CN107766241 A CN 107766241A
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- multiplexer
- serial ports
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- debugging
- server
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/36—Preventing errors by testing or debugging software
- G06F11/362—Software debugging
- G06F11/3648—Software debugging using additional hardware
- G06F11/3656—Software debugging using additional hardware using a specific debug 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
- G06F13/38—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
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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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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
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- Quality & Reliability (AREA)
- Debugging And Monitoring (AREA)
Abstract
The invention discloses a kind of server physical serial interface shared system and serial ports sharing method, it is related to server technology field, the present invention can implement system serial ports by inputting serial port command in server debugging process and debug the handover operation of serial ports, the acquisition to BMC Serial Port Informations is realized in the case where not opening chassis cover, provide for server system serial ports and the shared COM of debugging serial ports and realize scheme simple, easy to use, greatly improve debugging efficiency, manual operation is reduced, later maintenance is more convenient.
Description
Technical field
The present invention relates to server technology field, and in particular to a kind of server physical serial interface shared system and serial ports are shared
Method.
Background technology
Server system serial ports export server opens system information during machine, is easy to bios software engineer to understand service
Device opens machine state, and positioning solves server exception.
Server B MC debugging serial ports outputs BMC Debugging message, is easy to BMC software engineer to understand BMC state letter
Breath, meet debugging needs.
BMC debugging serial ports is user not to be opened, so in the design of server, typically will not be in front and back panels
The reserved outside debugging interfaces of BMC are dedicated for, BMC debugging serial ports can be only retained in cabinet.
In conventional server system debugging process, it is often necessary to open chassis cover, plug BMC debugging serial ports cables and come
BMC serial printing informations are checked, this brings inconvenience to BMC software debugging, and is not allow to close to service in some scenes
Device opens chassis cover.Therefore, in the case where not opening chassis cover, meet that BMC software developer is believed BMC serial ports
The acquisition of breath, and then BMC debugging and positioning solution server exception are completed, turn into a technical problem for being badly in need of solving.
The content of the invention
For defect present in prior art, it is an object of the invention to provide a kind of shared system of server physical serial interface
System and serial ports sharing method, the acquisition to BMC Serial Port Informations is realized in the case where not opening chassis cover, greatly improves debugging
Efficiency, reduces manual operation, and later maintenance is more convenient.
To achieve the above objectives, the present invention adopts the technical scheme that：A kind of server physical serial interface shared system：Including
BMC module, multiplexer, level translator and COM：
The BMC module includes system serial ports, debugging serial ports and general-purpose interface, the system serial ports, debugs serial ports and leads to
The multiplexer is respectively connecting to interface；
The multiplexer is used to system serial ports and debugging serial ports alternative being conducted to level translator；
The level translator is used to realize the level conversion between multiplexer and COM；
The COM is used for the serial port command of the reception server external equipment input, and BMC module is led to
Cross multiplexer, the BMC signals that level translator is sent are sent to server external equipment；
Wherein, the debugging serial ports is additionally operable to continue to monitor the serial port command of server external equipment input：When monitoring
Serial port command is when switching to system serial ports, to heighten the general-purpose interface to the output level of the multiplexer, make multichannel
Multiplexer switches to the state that system serial ports turns on level translator；When monitoring serial port command to switch to debugging serial ports
When, the general-purpose interface is reduced to the output level of the multiplexer, multiplexer is switched to debugging serial ports and electricity
The state of flat turn parallel operation conducting.
On the basis of above-mentioned technical proposal, system serial ports sends to the signal of multiplexer and sends signal for first,
Debugging serial ports is sent to the signal of multiplexer and sends signal for second, and multiplexer is sent to the signal of level translator
Signal is sent for the 3rd, level translator sends to the signal of COM and sends signal for the 4th；System serial ports receives
The signal that sends of multiplexer be the first reception signal, the signal that the level translator that multiplexer receives is sent is the
Three reception signals, the signal that the COM that level translator receives is sent is the 4th reception signal；
Heighten the general-purpose interface to the multiplexer output level when, it is described first transmission signal pass through it is described
Multiplexer is conducted to the described 3rd and sends signal, and the 3rd reception signal is conducted to described by the multiplexer
First reception signal；
Reduce the general-purpose interface to the multiplexer output level when, it is described second transmission signal pass through it is described
Multiplexer is conducted to the described 3rd and sends signal, and the 3rd reception signal is not turned on first reception signal.
On the basis of above-mentioned technical proposal, the server physical serial interface shared system also includes lpc bus, described
Lpc bus is used to connect chipset and BMC module, and the system information that the chipset is sent is sent into BMC module.
On the basis of above-mentioned technical proposal, the level translator is used to realize LVTTL fiduciary levels and RS232 standards
Mutual conversion between level.
On the basis of above-mentioned technical proposal, the multiplexer default conditions are that system serial ports is led with level translator
Logical state.
The invention also discloses a kind of a kind of server physics string of server physical serial interface shared system described in use
Mouth sharing method：
The debugging serial ports continues to monitor the serial port command of server external equipment input：
When it is to switch to system serial ports to monitor serial port command, the general-purpose interface is heightened to the multiplexer
Output level, multiplexer is set to switch to the state that system serial ports turns on level translator；
When monitoring serial port command to switch to debugging serial ports, the general-purpose interface is reduced to the multiplexer
Output level, multiplexer is set to switch to the state that debugging serial ports turns on level translator.
On the basis of above-mentioned technical proposal, the multiplexer default conditions are that system serial ports is led with level translator
Logical state.
On the basis of above-mentioned technical proposal, S1, the multiplexer default conditions are system serial ports and level conversion
The state of device conducting；
S2, the debugging serial ports continue to monitor the serial port command of server external equipment input；
S3, whether the serial port command for judging the input of server external equipment is to switch to system serial ports or switch to debugging to go here and there
Mouthful；When it is to switch to system serial ports to monitor serial port command, into step S4；When monitoring serial port command to switch to debugging
During serial ports, into step S5；Both of which is no, into step S6；
S4, the general-purpose interface is heightened to the output level of the multiplexer, multiplexer is switched to system
The state that serial ports turns on level translator, terminate；
S5, the general-purpose interface is reduced to the output level of the multiplexer, multiplexer is switched to debugging
The state that serial ports turns on level translator, terminate；
S6, the output level of the general-purpose interface to the multiplexer is maintained default conditions, terminate.
On the basis of above-mentioned technical proposal, the level translator is used to realize LVTTL fiduciary levels and RS232 standards
Mutual conversion between level.
Compared with prior art, the advantage of the invention is that：
The present invention can implement system serial ports by inputting serial port command in server debugging process and debug cutting for serial ports
Operation is changed, the acquisition to BMC Serial Port Informations is realized in the case where not opening chassis cover, is server system serial ports and debugging
The shared COM of serial ports, which provides, realizes scheme simple, easy to use, greatly improves debugging efficiency, reduces people
Work operates, and later maintenance is more convenient.
Brief description of the drawings
Fig. 1 is the structural representation of server physical serial interface shared system in the embodiment of the present invention；
Fig. 2 is the schematic flow sheet of server physical serial interface shared system in the embodiment of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
Shown in Figure 1, the embodiment of the present invention provides a kind of server physical serial interface shared system：It is more including BMC module
Path multiplexer, level translator and COM：
BMC module includes system serial ports, debugging serial ports and general-purpose interface, system serial ports, debugging serial ports and general-purpose interface point
Multiplexer is not connected to it；
Multiplexer is used to system serial ports and debugging serial ports alternative being conducted to level translator；Multiplexer is write from memory
It is the state that system serial ports turns on level translator to recognize state.
Level translator is used to realize the level conversion between multiplexer and COM；Level translator is used
In realizing the mutual conversion between LVTTL fiduciary levels and RS232 fiduciary levels.
COM is used for the serial port command of the reception server external equipment input, and BMC module is passed through more
The BMC signals that path multiplexer, level translator are sent are sent to server external equipment；
Wherein, debugging serial ports is additionally operable to continue to monitor the serial port command of server external equipment input：When monitoring serial ports
When ordering to switch to system serial ports, general-purpose interface is heightened to the output level of multiplexer, switches to multiplexer
The state that system serial ports turns on level translator；When monitoring serial port command to switch to debugging serial ports, general connect is reduced
Mouth makes multiplexer switch to the state that debugging serial ports turns on level translator to the output level of multiplexer.
System serial ports is sent to the signal of multiplexer and sends signal for first, and debugging serial ports is sent to multiplexer
Signal send signal for second, the signal that multiplexer is sent to level translator sends signal, level conversion for the 3rd
Device sends to the signal of COM and sends signal for the 4th；System serial ports receive multiplexer send signal be
First reception signal, the signal that the level translator that multiplexer receives is sent is the 3rd reception signal, and level translator connects
The signal that the COM of receipts is sent is the 4th reception signal；
Heighten general-purpose interface to multiplexer output level when, first transmission signal is conducted to by multiplexer
3rd sends signal, and the 3rd reception signal is conducted to the first reception signal by multiplexer；
Reduce general-purpose interface to multiplexer output level when, second transmission signal is conducted to by multiplexer
3rd sends signal, and the 3rd reception signal is not turned on the first reception signal.
Server physical serial interface shared system also includes lpc bus, and lpc bus is used to connect chipset and BMC module, will
The system information that chipset is sent is sent to BMC module.
Shown in Figure 2, the embodiment of the invention also discloses a kind of service using server physical serial interface shared system
Device physical serial interface sharing method：
Multiplexer default conditions are the state that system serial ports turns on level translator；
Debugging serial ports continues to monitor the serial port command of server external equipment input：
It is electric when switching to system serial ports, to heighten the output of general-purpose interface to multiplexer when monitoring serial port command
It is flat, multiplexer is switched to the state that system serial ports turns on level translator；
When monitoring serial port command to switch to debugging serial ports, general-purpose interface is reduced to the output electricity of multiplexer
It is flat, multiplexer is switched to the state that debugging serial ports turns on level translator.
Specifically, comprise the following steps：
S1, multiplexer default conditions are the state that system serial ports turns on level translator；
S2, debugging serial ports continue to monitor the serial port command of server external equipment input；
S3, whether the serial port command for judging the input of server external equipment is to switch to system serial ports or switch to debugging to go here and there
Mouthful；When it is to switch to system serial ports to monitor serial port command, into step S4；When monitoring serial port command to switch to debugging
During serial ports, into step S5；Both of which is no, into step S6；
S4, general-purpose interface is heightened to the output level of multiplexer, multiplexer is switched to system serial ports and electricity
The state of flat turn parallel operation conducting, terminates；
S5, general-purpose interface is reduced to the output level of multiplexer, multiplexer is switched to debugging serial ports and electricity
The state of flat turn parallel operation conducting, terminates；
S6, the output level of general-purpose interface to multiplexer is maintained default conditions, terminate.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (9)
- A kind of 1. server physical serial interface shared system, it is characterised in that：Including BMC module, multiplexer, level translator And COM：The BMC module includes system serial ports, debugging serial ports and general-purpose interface, the system serial ports, debugging serial ports and general connects Mouth is respectively connecting to the multiplexer；The multiplexer is used to system serial ports and debugging serial ports alternative being conducted to level translator；The level translator is used to realize the level conversion between multiplexer and COM；The COM is used for the serial port command of the reception server external equipment input, and BMC module is passed through more The BMC signals that path multiplexer, level translator are sent are sent to server external equipment；Wherein, the debugging serial ports is additionally operable to continue to monitor the serial port command of server external equipment input：When monitoring serial ports When ordering to switch to system serial ports, the general-purpose interface is heightened to the output level of the multiplexer, makes multiplexing Device switches to the state that system serial ports turns on level translator；When monitoring serial port command to switch to debugging serial ports, drop The low general-purpose interface makes multiplexer switch to debugging serial ports and level conversion to the output level of the multiplexer The state of device conducting.
- A kind of 2. server physical serial interface shared system as claimed in claim 1, it is characterised in that：System serial ports is sent at most The signal of path multiplexer is the first transmission signal, and debugging serial ports sends to the signal of multiplexer and sends signal for second, more Path multiplexer is sent to the signal of level translator and sends signal for the 3rd, and level translator is sent to the letter of COM Number for the 4th send signal；The signal that the multiplexer that system serial ports receives is sent is the first reception signal, multiplexer The signal that the level translator of reception is sent is the 3rd reception signal, the letter for the COM transmission that level translator receives Number it is the 4th reception signal；Heighten the general-purpose interface to the multiplexer output level when, it is described first transmission signal passes through the multichannel Multiplexer is conducted to the described 3rd and sends signal, and the 3rd reception signal is conducted to described first by the multiplexer Reception signal；Reduce the general-purpose interface to the multiplexer output level when, it is described second transmission signal passes through the multichannel Multiplexer is conducted to the described 3rd and sends signal, and the 3rd reception signal is not turned on first reception signal.
- A kind of 3. server physical serial interface shared system as claimed in claim 1, it is characterised in that：The server physics string Mouth shared system also includes lpc bus, and the lpc bus is used to connect chipset and BMC module, the chipset is sent System information is sent to BMC module.
- A kind of 4. server physical serial interface shared system as claimed in claim 1, it is characterised in that：The level translator is used In realizing the mutual conversion between LVTTL fiduciary levels and RS232 fiduciary levels.
- A kind of 5. server physical serial interface shared system as claimed in claim 1, it is characterised in that：The multiplexer is write from memory It is the state that system serial ports turns on level translator to recognize state.
- 6. a kind of shared using a kind of server physical serial interface of server physical serial interface shared system as claimed in claim 1 Method, it is characterised in that：The debugging serial ports continues to monitor the serial port command of server external equipment input：When it is to switch to system serial ports to monitor serial port command, output of the general-purpose interface to the multiplexer is heightened Level, multiplexer is set to switch to the state that system serial ports turns on level translator；When monitoring serial port command to switch to debugging serial ports, output of the general-purpose interface to the multiplexer is reduced Level, multiplexer is set to switch to the state that debugging serial ports turns on level translator.
- A kind of 7. server physical serial interface sharing method as claimed in claim 6, it is characterised in that：The multiplexer is write from memory It is the state that system serial ports turns on level translator to recognize state.
- 8. a kind of server physical serial interface shared system as claimed in claim 7, it is characterised in that comprise the following steps：S1, the multiplexer default conditions are the state that system serial ports turns on level translator；S2, the debugging serial ports continue to monitor the serial port command of server external equipment input；S3, whether the serial port command for judging the input of server external equipment is to switch to system serial ports or switch to debugging serial ports； When it is to switch to system serial ports to monitor serial port command, into step S4；Gone here and there when monitoring serial port command to switch to debugging During mouth, into step S5；Both of which is no, into step S6；S4, the general-purpose interface is heightened to the output level of the multiplexer, multiplexer is switched to system serial ports The state turned on level translator, terminate；S5, the general-purpose interface is reduced to the output level of the multiplexer, multiplexer is switched to debugging serial ports The state turned on level translator, terminate；S6, the output level of the general-purpose interface to the multiplexer is maintained default conditions, terminate.
- A kind of 9. server physical serial interface shared system as claimed in claim 6, it is characterised in that：The level translator is used In realizing the mutual conversion between LVTTL fiduciary levels and RS232 fiduciary levels.
Priority Applications (1)
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| CN201710919297.5A CN107766241A (en) | 2017-09-30 | 2017-09-30 | A kind of server physical serial interface shared system and serial ports sharing method |
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| CN201710919297.5A CN107766241A (en) | 2017-09-30 | 2017-09-30 | A kind of server physical serial interface shared system and serial ports sharing method |
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Cited By (4)
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| CN109032995A (en) * | 2018-08-21 | 2018-12-18 | 郑州云海信息技术有限公司 | A kind of transmission method of data information, device, equipment and storage medium |
| CN109582620A (en) * | 2018-12-21 | 2019-04-05 | 郑州云海信息技术有限公司 | A kind of UART interface conversion equipment and interface conversion method |
| CN109617565A (en) * | 2018-12-26 | 2019-04-12 | 上海数明半导体有限公司 | The circuit device and photovoltaic system of circuit module, multimode with communication function |
| CN109947611A (en) * | 2019-03-20 | 2019-06-28 | 浪潮商用机器有限公司 | Realize the method and device of server system serial ports and the shared switching of BMC debugging serial ports |
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| CN109617565A (en) * | 2018-12-26 | 2019-04-12 | 上海数明半导体有限公司 | The circuit device and photovoltaic system of circuit module, multimode with communication function |
| CN109947611A (en) * | 2019-03-20 | 2019-06-28 | 浪潮商用机器有限公司 | Realize the method and device of server system serial ports and the shared switching of BMC debugging serial ports |
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Application publication date: 20180306 |