CN110309096A - Multi-serial port transponder - Google Patents
Multi-serial port transponder Download PDFInfo
- Publication number
- CN110309096A CN110309096A CN201910660691.0A CN201910660691A CN110309096A CN 110309096 A CN110309096 A CN 110309096A CN 201910660691 A CN201910660691 A CN 201910660691A CN 110309096 A CN110309096 A CN 110309096A
- Authority
- CN
- China
- Prior art keywords
- data
- processing unit
- serial ports
- downlink
- serial port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
- G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Information Transfer Systems (AREA)
Abstract
This application discloses a kind of Multi-serial port transponders characterized by comprising processing unit and serial port unit；The serial port unit includes uplink serial ports and several downlink serial ports, and the processing unit is connect with uplink serial ports and downlink serial ports respectively；The uplink serial ports is used to receive upstream data and is transferred to processing unit, or receives the downlink data of processing unit processes and be output to upstream plant；The downlink serial ports is used to receive downlink data and is transferred to processing unit, or receives the upstream data of processing unit processes and be output to downstream plant；The processing unit does the buffering of uplink and downlink data using queue, and carries out successive data processing and transmission according to the priority of data.Advantage: the problem of solving the problems, such as that existing serial ports HUB is unable to filtering treater data, and being unable to multichannel full-duplex communication, and when coming in mass data, will not lose data will not lead to system abnormity collapse.
Description
Technical field
This application involves the communications fields, in particular to a kind of Multi-serial port transponder.
Background technique
When being center equipment with HUB (multiport transponder), even if certain route produces failure in network, not shadow
Ring the work of other routes.So HUB is widely used in a local network.It is used in star-like and tree most of the time
In type network topology structure, it is connected with each host with RJ45 interface and (also has bnc interface), HUB has much according to different sayings
Type.HUB is according in the processing mode to input signal, being divided into passive HUB, active HUB, intelligence HUB.
But the problem of existing serial ports HUB is unable to filtering treater data, and it is unable to multichannel full-duplex communication.
Summary of the invention
The main purpose of the application is to provide a kind of Multi-serial port transponder, to solve the problems, such as.
To achieve the goals above, a kind of Multi-serial port transponder is provided characterized by comprising processing unit and string
Mouth unit；
The serial port unit includes uplink serial ports and several downlink serial ports, the processing unit respectively with uplink serial ports and under
The connection of row serial ports；
The uplink serial ports is used to receive upstream data and is transferred to processing unit, or receives the downlink of processing unit processes
Data are simultaneously output to upstream plant；The downlink serial ports is for receiving downlink data and being transferred to processing unit or reception processing
The upstream data of cell processing is simultaneously output to downstream plant；
The processing unit does the buffering of uplink and downlink data using queue, and is successively counted according to the priority of data
According to processing and transmission.
Further, the queue includes receiving data queue and transmission data queue.
Further, the processing unit is able to carry out DMA transfer.
Further, the processing unit carries out priority judgement by the urgent mark in identification data, will have urgent
The high priority data of mark is placed into the beginning of queue.
Further, the urgent mark uses the mark data of a bit size.
Further, the processing unit carries out completeness check, school to downlink serial ports or the received data of upper and lower serial ports
It tests by being added in queue later.
Further, the processing unit receives the data of downlink serial ports transmission, and is uniformly put into queue, and processing is single
Member takes out data from queue, is processed into different contents according to the Context resolution packing in data, retransmits to uplink serial ports.
Further, the processing unit receives the received data of uplink serial ports, is unpacked to data, subpackage extracts
The object wherein to be sent, then be forwarded in different downlink serial ports.
Further, the serial ports up and down is equipped with one, and downlink serial ports is equipped with 5.
Advantageous effects of the invention:
It solves the problems, such as that existing serial ports HUB is unable to filtering treater data, and is unable to asking for multichannel full-duplex communication
Topic, and when coming in mass data, will not lose data will not lead to system abnormity collapse.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present application, so that the application's is other
Feature, objects and advantages become more apparent upon.The illustrative examples attached drawing and its explanation of the application is for explaining the application, not
Constitute the improper restriction to the application.In the accompanying drawings:
Fig. 1 is the unit module schematic diagram according to a kind of embodiment of the application.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection
It encloses.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 1, a kind of Multi-serial port transponder characterized by comprising processing unit and serial port unit；
The serial port unit includes uplink serial ports and 5 downlink serial ports, the processing unit respectively with uplink serial ports and under
The connection of row serial ports；
The uplink serial ports is used to receive upstream data and is transferred to processing unit, or receives the downlink of processing unit processes
Data are simultaneously output to upstream plant；The downlink serial ports is for receiving downlink data and being transferred to processing unit or reception processing
The upstream data of cell processing is simultaneously output to downstream plant；
The processing unit does the buffering of uplink and downlink data using queue, and is successively counted according to the priority of data
According to processing and transmission.
In the present embodiment, the queue includes receiving data queue and transmission data queue.Number can be sent from bottom to top
According to while can also send data from top to bottom.
In the present embodiment, the processing unit is able to carry out DMA transfer, directly carries and is not take up CPU, realizes two-way hair
Send reception data.
In the present embodiment, the processing unit carries out priority judgement by the urgent mark in identification data, will have tight
The high priority data suddenly identified is placed into the beginning of queue.The urgent mark uses the mark data of a bit size.Pass through mark
The difference for knowing data can also realize the processing of different priorities.
In the present embodiment, the processing unit carries out completeness check to downlink serial ports or the received data of upper and lower serial ports,
Verification is added in queue after.
In the present embodiment, the processing unit receives the data of downlink serial ports transmission, and is uniformly put into queue, handles
Unit takes out data from queue, is processed into different contents according to the Context resolution packing in data, retransmits to uplink string
Mouthful.
In the present embodiment, the processing unit receives the received data of uplink serial ports, is unpacked to data, subpackage is extracted
The object wherein to be sent out, then be forwarded in different downlink serial ports.
It should be noted that step shown in the flowchart of the accompanying drawings can be in such as a group of computer-executable instructions
It is executed in computer system, although also, logical order is shown in flow charts, and it in some cases, can be with not
The sequence being same as herein executes shown or described step.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
Be performed by computing device in the storage device, perhaps they are fabricated to each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific
Hardware and software combines.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (9)
1. a kind of Multi-serial port transponder characterized by comprising processing unit and serial port unit；
The serial port unit includes uplink serial ports and several downlink serial ports, the processing unit respectively with uplink serial ports and downlink string
Mouth connection；
The uplink serial ports is used to receive upstream data and is transferred to processing unit, or receives the downlink data of processing unit processes
And it is output to upstream plant；The downlink serial ports is used to receive downlink data and is transferred to processing unit, or receives processing unit
The upstream data of processing is simultaneously output to downstream plant；
The processing unit does the buffering of uplink and downlink data using queue, and is carried out at successive data according to the priority of data
Reason and transmission.
2. Multi-serial port transponder according to claim 1, which is characterized in that the queue includes receiving data queue and hair
Send data queue.
3. Multi-serial port transponder according to claim 1, which is characterized in that the processing unit is able to carry out DMA transfer.
4. Multi-serial port transponder according to claim 1, which is characterized in that the processing unit passes through in identification data
Urgent mark carries out priority judgement, the beginning that will have the high priority data promptly identified to be placed into queue.
5. Multi-serial port transponder according to claim 4, which is characterized in that the urgent mark uses a bit size
Mark data.
6. Multi-serial port transponder according to claim 1, which is characterized in that the processing unit is to downlink serial ports or up and down
The received data of serial ports carry out completeness check, and verification is added in queue after.
7. Multi-serial port transponder according to claim 1, which is characterized in that the processing unit receives the transmission of downlink serial ports
Data, and be uniformly put into queue, processing unit takes out data from queue, at the Context resolution packing in data
Different contents is managed into, is retransmited to uplink serial ports.
8. Multi-serial port transponder according to claim 1, which is characterized in that the processing unit receives uplink serial ports and receives
Data, data are unpacked, subpackage extracts the object wherein to be sent, then be forwarded in different downlink serial ports.
9. Multi-serial port transponder according to claim 1, which is characterized in that the serial ports up and down is equipped with one, downlink string
Mouth is equipped with 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910660691.0A CN110309096A (en) | 2019-07-22 | 2019-07-22 | Multi-serial port transponder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910660691.0A CN110309096A (en) | 2019-07-22 | 2019-07-22 | Multi-serial port transponder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110309096A true CN110309096A (en) | 2019-10-08 |
Family
ID=68081157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910660691.0A Pending CN110309096A (en) | 2019-07-22 | 2019-07-22 | Multi-serial port transponder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110309096A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1507225A (en) * | 2002-12-12 | 2004-06-23 | 华为技术有限公司 | High speed port device for communication equipment |
| CN202084028U (en) * | 2011-06-03 | 2011-12-21 | 南京理工大学 | Modularized multi-serial port expanding device |
| CN104142901A (en) * | 2013-05-07 | 2014-11-12 | 北京化工大学 | Implementation method of serial port multiplexer with transmission priority |
| CN104820644A (en) * | 2015-04-30 | 2015-08-05 | 武汉大学 | Non-time-sharing port multiplexing method and device |
| CN109857685A (en) * | 2018-12-06 | 2019-06-07 | 积成电子股份有限公司 | A kind of implementation method of MPU and FPGA expanding multiple serial ports |
| US10579563B2 (en) * | 2017-06-16 | 2020-03-03 | Honeywell International Inc. | Multiple master process controllers using a shared serial peripheral bus |
-
2019
- 2019-07-22 CN CN201910660691.0A patent/CN110309096A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1507225A (en) * | 2002-12-12 | 2004-06-23 | 华为技术有限公司 | High speed port device for communication equipment |
| CN202084028U (en) * | 2011-06-03 | 2011-12-21 | 南京理工大学 | Modularized multi-serial port expanding device |
| CN104142901A (en) * | 2013-05-07 | 2014-11-12 | 北京化工大学 | Implementation method of serial port multiplexer with transmission priority |
| CN104820644A (en) * | 2015-04-30 | 2015-08-05 | 武汉大学 | Non-time-sharing port multiplexing method and device |
| US10579563B2 (en) * | 2017-06-16 | 2020-03-03 | Honeywell International Inc. | Multiple master process controllers using a shared serial peripheral bus |
| CN109857685A (en) * | 2018-12-06 | 2019-06-07 | 积成电子股份有限公司 | A kind of implementation method of MPU and FPGA expanding multiple serial ports |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Birrittella et al. | Intel® omni-path architecture: Enabling scalable, high performance fabrics | |
| CN101488922B (en) | Network-on-chip router having adaptive routing capability and implementing method thereof | |
| CN110138630A (en) | Built-in testing service generation device | |
| RU2011140978A (en) | METHOD AND DEVICE OF I / O ROUTING AND MAP | |
| CN106953853A (en) | A kind of network-on-chip gigabit Ethernet resource node and its method of work | |
| CN101146046A (en) | A throughput testing method and testing system | |
| CN105245301A (en) | Time-triggered based airborne optical network simulation system | |
| CN203151539U (en) | AFDX terminal system virtual link layer IP core | |
| CN109684269A (en) | A kind of PCIE exchange chip kernel and working method | |
| CN102185833A (en) | Fiber channel (FC) input/output (I/O) parallel processing method based on field programmable gate array (FPGA) | |
| CN103746927A (en) | Priority-based fluid control PFC (Power Factor Correction) method, transmitting device and receiving device | |
| CN108111494A (en) | A kind of protocol conversion apparatus of 1553B buses and FlexRay buses | |
| CN107547430A (en) | A kind of file transmitting method and device | |
| CN109446143A (en) | A kind of data serial transmission control system and method based on FPGA | |
| CN103947167A (en) | Network communication device and transfer frame priority band restriction method | |
| CN105530157B (en) | The multiple virtual links of the AFDX network switch share the framework and method of credit | |
| CN1988501B (en) | Realizing device for embedded control path communication using FPGA completing optic transmission device | |
| CN107181702B (en) | Device for realizing RapidIO and Ethernet fusion exchange | |
| CN110309096A (en) | Multi-serial port transponder | |
| CN103200126A (en) | XG-PON system flow management device and method | |
| CN109120539A (en) | Method and device for realizing data transmission processing | |
| CN105430665B (en) | Realize the method and system of more net mixing scale networkings | |
| CN104363185B (en) | A kind of miniature composite network data exchange system | |
| CN103368959B (en) | Conversion method between RapidIO message and InfiniBand message and device | |
| CN205812076U (en) | A kind of Computer information network engineering system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191008 |
|
| RJ01 | Rejection of invention patent application after publication |