CN108319557A - A kind of data buffer and its reading/writing method with data retransmission function - Google Patents
A kind of data buffer and its reading/writing method with data retransmission function Download PDFInfo
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- CN108319557A CN108319557A CN201711347085.0A CN201711347085A CN108319557A CN 108319557 A CN108319557 A CN 108319557A CN 201711347085 A CN201711347085 A CN 201711347085A CN 108319557 A CN108319557 A CN 108319557A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0877—Cache access modes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
- G06F3/0656—Data buffering arrangements
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Abstract
The invention discloses a kind of data buffer and its reading/writing method with data retransmission function, the data buffer are made of receiving terminal data buffer and transmitting terminal data buffer；The receiving terminal data buffer includes receiving terminal frame data dual port RAM, receiving terminal frame end address dual port RAM, inbound writes interface and inbound reads interface；The transmitting terminal data buffer includes transmitting terminal frame data dual port RAM, transmitting terminal frame end address dual port RAM, outbound writes interface and outbound reading interface.Functions of retransmission is added in transmitting terminal data buffer in the data buffer, and two frame end address signals, a frame end address signal is used to read for the first time for frame when reading, another frame end address is read for frame acknowledgment.
Description
Technical field
The present invention relates to the communications field, specifically a kind of data buffer and its read-write side with data retransmission function
Method.
Background technology
It is very high to the reliability requirement of data frame sent and received in some communication protocols such as RapidIO, do not allow
There is the case where frame losing.After data frame is transmitted, when recipient for some reason cannot be properly received the frame, just
Sender is needed to retransmit the frame, this requires data buffers to have data retransmission function.
After data are read, the position where historical data frame has not existed common data buffer.Especially
It is when continuously transmitting multiframe data, when recipient cannot receive certain intermediate frame data, data buffer cannot be quick
Ground navigates to the frame position and is retransmitted to the frame.
Invention content
In view of the deficiencies of the prior art, the technical issues of present invention intends to solve is to provide a kind of with data retransmission function
Data buffer and its reading/writing method.The data buffer can support the re-transmission of data frame, without making loss of data.
The technical solution that the present invention solves the data buffer technical problem is to provide one kind with data retransmission function
Data buffer, it is characterised in that the data buffer is made of receiving terminal data buffer and transmitting terminal data buffer；
The receiving terminal data buffer include receiving terminal frame data dual port RAM, receiving terminal frame end address dual port RAM,
Inbound writes interface and inbound reads interface；Receiving terminal frame data dual port RAM frame for storing data itself；Receiving terminal frame end address
Dual port RAM is used to store position of the end of each data frame in receiving terminal frame data dual port RAM, in receiving terminal frame data
The interval of each frame is distinguished in dual port RAM；The inbound writes interface and the data frame received is written to receiving terminal number
According in buffer, inbound reads interface and reads data frame from receiving terminal data buffer；
The transmitting terminal data buffer include transmitting terminal frame data dual port RAM, transmitting terminal frame end address dual port RAM,
It is outbound to write interface and outbound reading interface；Transmitting terminal frame data dual port RAM frame for storing data itself；Transmitting terminal frame end address
Dual port RAM is used to store position of the end of each data frame in transmitting terminal frame data dual port RAM, in frame data twoport
The interval of each frame is distinguished in RAM；The data frame that will be sent is written to transmitting terminal by the outbound interface of writing
In data buffer, outbound reading interface reads data frame from transmitting terminal data buffer.
The technical solution that the present invention solves the method technical problem is to provide a kind of data with data retransmission function
The reading/writing method of buffer, it is characterised in that this method includes：
The write-in of receiving terminal data buffer and reading method are：In write-in, inbound writes the data that interface will receive
It is written in receiving terminal frame data dual port RAM, the address for the frame data storage being written into is determined by memoryWrite_pRx；Often
The frame data of a unit are written, the value of memoryWrite_pRx increases by 1, and next address data memory is written into be directed toward；
When a frame is written into completion, the receiving terminal frame end address that frame end address signal is written to frontIndexRx directions is double
In mouth RAM, and the value of frontIndexRx increases by 1, to be directed toward the position that next frame end address being written into is stored；
When reading, inbound reads interface and reads the data being stored in frame data dual port RAM, by depositing for reading frame data
Storage address is determined by memoryRead_pRx；The frame data of a unit are often read, the value of memoryRead_pRx increases by 1, with
It is directed toward next address data memory read；When a frame is read completely, frame end address signal is from backIndexRx
It is read in the receiving terminal frame end address dual port RAM of direction, and the value of backIndexRx increases by 1, to be directed toward next read
The position that the frame end address gone out is stored；
The write-in of transmitting terminal data buffer and reading method are：In write-in, the outbound data write interface and will received
It is written in transmitting terminal frame data dual port RAM, the address for the frame data storage being written into is determined by memoryWrite_pTx；Often
The frame data of a unit are written, the value of memoryWrite_pTx increases by 1, and next address data memory is written into be directed toward；
When a frame is written into completion, the transmitting terminal frame end address that frame end address signal is written to frontIndexTx directions is double
In mouth RAM, and the value of frontIndexTx increases by 1, to be directed toward the position that next frame end address being written into is stored；
When reading, outbound reading interface reads the data being stored in transmitting terminal frame data dual port RAM, by reading frame number
According to storage address determined by memoryRead_pTx；The frame data of a unit are often read, the value of memoryRead_pTx increases
Add 1, to be directed toward next address data memory read；When a frame is read completely, i.e. the value of memoryRead_pTx
Equal to firstBackIndex be directed toward transmitting terminal frame end address dual port RAM in corresponding data, frame end address signal from
It is read in the transmitting terminal frame end address dual port RAM that firstBackIndex is directed toward, and the value of firstBackIndex increases
1, to be directed toward the position that next frame end address read is stored；It is connect when receiving the frame sent from data frame receipt side
When receiving confirmation signal, the value of confirmBackIndex increases by 1, to be directed toward the data frame end address that next confirmation is received
The position stored；When receiving the frame sent from data receiver and not being received confirmation signal, firstBackIndex quilts
The value of confirmBackIndex is assigned, memoryRead_pTx is endowed the starting of confirmBackIndex corresponding data frames
Address, the data frame and data frame later will be read by outbound reading interface successively.
Compared with prior art, advantageous effect of the present invention is：
(1) receiving terminal data buffer and transmitting terminal data buffer are separated, makes to send and receive independently of each other；
(2) receiving terminal data buffer uses frame data dual port RAM and frame end address dual port RAM two parts, deposits respectively
The end address for storing up frame data and frame, can differentiate the separation of frame in this way, consequently facilitating frame data are whole passed with frame
It send；
(3) transmitting terminal data buffer uses frame data dual port RAM and frame end address dual port RAM two parts, deposits respectively
The end address for storing up frame data and frame, can differentiate the separation of frame in this way, consequently facilitating frame data are whole passed with frame
It send；
(4) functions of retransmission is added in transmitting terminal data buffer, read when use two frame end address signals, one
A frame end address signal is read for the first time for frame, another frame end address is read for frame acknowledgment.
Description of the drawings
Fig. 1, which is the present invention, has the data buffer of data retransmission function and its a kind of data of embodiment of reading/writing method slow
Storage overall structure figure；
Fig. 2 is the data buffer and its a kind of receiving terminal of embodiment of reading/writing method that the present invention has data retransmission function
Data buffer structure figure；
Fig. 3 is the data buffer and its a kind of transmitting terminal of embodiment of reading/writing method that the present invention has data retransmission function
Data buffer structure figure；(in figure：1, receiving terminal data buffer；11, receiving terminal frame data dual port RAM；12, receiving terminal frame
End address dual port RAM；13, inbound writes interface；14, inbound reads interface；2, transmitting terminal data buffer；21, transmitting terminal frame number
According to dual port RAM；22, transmitting terminal frame end address dual port RAM；23, outbound to write interface；24, outbound reading interface)
Specific implementation mode
Specific embodiments of the present invention are given below.Specific embodiment is only used for that present invention be described in more detail, unlimited
The application scope of the claims processed.
The present invention provides a kind of data buffer with data retransmission function is (referring to Fig. 1-3, abbreviation data buffer storage
Device), it is characterised in that the data buffer is made of receiving terminal data buffer 1 and transmitting terminal data buffer 2；
The receiving terminal data buffer 1 includes receiving terminal frame data dual port RAM 11, receiving terminal frame end address twoport
RAM12, inbound write interface 13 and inbound reads interface 14；The inbound writes 13 data frames received of interface and is written to receiving terminal
In data buffer 1, inbound reads interface 14 and reads data frame from receiving terminal data buffer 1.
The frame for storing data of receiving terminal frame data dual port RAM 11 itself；Receiving terminal frame end address dual port RAM 12 is used for
Position of the end of each data frame in receiving terminal frame data dual port RAM 11 is stored, in receiving terminal frame data dual port RAM 11
In the interval of each frame is distinguished；Receiving terminal frame data dual port RAM 11 is write using memoryWrite_pRx as frame data
Enter address, address is read using memoryRead_pRx as frame data；Receiving terminal frame end address dual port RAM 12 uses
Pointer is written as frame end address in frontIndexRx, and pointer is read using backIndexRx as frame end address.
The write-in of receiving terminal data buffer 1 and reading method are：In write-in, inbound writes the number that interface 13 will receive
According to being written in receiving terminal frame data dual port RAM 11, the address for the frame data storage being written into is determined by memoryWrite_pRx
It is fixed；The frame data of a unit are often written, the value of memoryWrite_pRx increases by 1, is stored to be directed toward next data that are written into
Address；When a frame is written into completion, frame end address signal is written to the receiving terminal frame end of frontIndexRx directions
In address dual port RAM 12, and the value of frontIndexRx increases by 1, is deposited with being directed toward next frame end address being written into
The position of storage；
When reading, inbound reads interface 14 and reads the data being stored in frame data dual port RAM, by reading frame data
Storage address is determined by memoryRead_pRx；The frame data of a unit are often read, the value of memoryRead_pRx increases by 1,
To be directed toward next address data memory read；When a frame is read completely, frame end address signal from
It is read in the receiving terminal frame end address dual port RAM 12 that backIndexRx is directed toward, and the value of backIndexRx increases by 1, with
It is directed toward the position that next frame end address read is stored.
The transmitting terminal data buffer 2 includes transmitting terminal frame data dual port RAM 21, transmitting terminal frame end address twoport
RAM22, outbound interface 23 and outbound reading interface 24 are write；Described outbound 23 data frames that will be sent of interface of writing are written to
In transmitting terminal data buffer 2, outbound reading interface 24 reads data frame from transmitting terminal data buffer 2.
The frame for storing data of transmitting terminal frame data dual port RAM 21 itself；Transmitting terminal frame end address dual port RAM 22 is used for
Store position of the end of each data frame in transmitting terminal frame data dual port RAM 21, in frame data dual port RAM to each
The interval of frame distinguishes；Transmitting terminal frame data dual port RAM 21 uses memoryWrite_pTx as frame data writing address,
Address is read using memoryRead_pTx as frame data.Transmitting terminal frame end address dual port RAM 22 uses
Pointer is written as frame end address in frontIndexTx, unlike receiving terminal data buffer, in order to support data frame
Re-transmission, read pointer for the first time using firstBackIndex as frame end address, using confirmBackIndex as
Frame end address, which confirms, reads pointer.
The write-in of transmitting terminal data buffer 2 and reading method are：In write-in, the outbound number write interface 23 and will received
According to being written in transmitting terminal frame data dual port RAM 21, the address for the frame data storage being written into is determined by memoryWrite_pTx
It is fixed；The frame data of a unit are often written, the value of memoryWrite_pTx increases by 1, is stored to be directed toward next data that are written into
Address；When a frame is written into completion, frame end address signal is written to the transmitting terminal frame end of frontIndexTx directions
In address dual port RAM 22, and the value of frontIndexTx increases by 1, is deposited with being directed toward next frame end address being written into
The position of storage；
When reading, outbound reading interface 24 reads the data being stored in transmitting terminal frame data dual port RAM 21, is read
The storage address of frame data is determined by memoryRead_pTx；The frame data of a unit are often read, memoryRead_pTx's
Value increases by 1, to be directed toward next address data memory read；When a frame is read completely, i.e. memoryRead_pTx
Value be equal to firstBackIndex be directed toward transmitting terminal frame end address dual port RAM 22 in corresponding data, frame end address
Signal is read from the transmitting terminal frame end address dual port RAM 22 that firstBackIndex is directed toward, and firstBackIndex
Value increase by 1, to be directed toward the position that next frame end address read is stored；It is sent out from data frame receipt side when receiving
When the frame come receives confirmation signal, the value of confirmBackIndex increases by 1, to be directed toward the data frame that next confirmation is received
The position that end address is stored；When receiving the frame sent from data receiver and not being received confirmation signal,
FirstBackIndex is endowed the value of confirmBackIndex, and memoryRead_pTx is endowed confirmBackIndex
The initial address of corresponding data frame, the data frame and data frame later will be read by outbound reading interface 24 successively.
The present invention does not address place and is suitable for the prior art.
Claims (4)
1. a kind of data buffer with data retransmission function, it is characterised in that the data buffer is by receiving terminal data buffer storage
Device and transmitting terminal data buffer composition；
The receiving terminal data buffer includes receiving terminal frame data dual port RAM, receiving terminal frame end address dual port RAM, inbound
It writes interface and inbound reads interface；Receiving terminal frame data dual port RAM frame for storing data itself；Receiving terminal frame end address twoport
RAM is used to store position of the end of each data frame in receiving terminal frame data dual port RAM, in receiving terminal frame data twoport
The interval of each frame is distinguished in RAM；The inbound write interface the data frame received be written to receive end data delay
In storage, inbound reads interface and reads data frame from receiving terminal data buffer；
The transmitting terminal data buffer includes transmitting terminal frame data dual port RAM, transmitting terminal frame end address dual port RAM, outbound
Write interface and outbound reading interface；Transmitting terminal frame data dual port RAM frame for storing data itself；Transmitting terminal frame end address twoport
RAM is used to store position of the end of each data frame in transmitting terminal frame data dual port RAM, in frame data dual port RAM
The interval of each frame is distinguished；It is described it is outbound write interface the data frame that will be sent be written to send end data delay
In storage, outbound reading interface reads data frame from transmitting terminal data buffer.
2. the data buffer according to claim 1 with data retransmission function, it is characterised in that receiving terminal frame data
Dual port RAM uses memoryWrite_pRx as frame data writing address, is read using memoryRead_pRx as frame data
Address；Receiving terminal frame end address dual port RAM uses frontIndexRx that pointer is written as frame end address, uses
BackIndexRx reads pointer as frame end address.
3. the data buffer according to claim 1 with data retransmission function, it is characterised in that transmitting terminal frame data
Dual port RAM uses memoryWrite_pTx as frame data writing address, is read using memoryRead_pTx as frame data
Address；Transmitting terminal frame end address dual port RAM uses frontIndexTx that pointer is written as frame end address, uses
FirstBackIndex reads pointer for the first time as frame end address, true using confirmBackIndex as frame end address
Recognize reading pointer.
4. a kind of reading/writing method of the data buffer with data retransmission function, it is characterised in that this method includes：
The write-in of receiving terminal data buffer and reading method are：In write-in, inbound writes interface and the data received is written
Into receiving terminal frame data dual port RAM, the address for the frame data storage being written into is determined by memoryWrite_pRx；Often be written
The frame data of one unit, the value of memoryWrite_pRx increase by 1, and next address data memory is written into be directed toward；When one
When frame is written into completion, frame end address signal is written to the receiving terminal frame end address twoport of frontIndexRx directions
In RAM, and the value of frontIndexRx increases by 1, to be directed toward the position that next frame end address being written into is stored；
When reading, inbound reads interface and reads the data being stored in frame data dual port RAM, by the storage of reading frame data
Location is determined by memoryRead_pRx；The frame data of a unit are often read, the value of memoryRead_pRx increases by 1, to be directed toward
Next address data memory read；When a frame is read completely, frame end address signal is directed toward from backIndexRx
Receiving terminal frame end address dual port RAM in read, and the value of backIndexRx increases by 1, to be directed toward next read
The position that frame end address is stored；
The write-in of transmitting terminal data buffer and reading method are：In write-in, the data received are written outbound interface of writing
Into transmitting terminal frame data dual port RAM, the address for the frame data storage being written into is determined by memoryWrite_pTx；Often be written
The frame data of one unit, the value of memoryWrite_pTx increase by 1, and next address data memory is written into be directed toward；When one
When frame is written into completion, frame end address signal is written to the transmitting terminal frame end address twoport of frontIndexTx directions
In RAM, and the value of frontIndexTx increases by 1, to be directed toward the position that next frame end address being written into is stored；
When reading, outbound reading interface reads the data being stored in transmitting terminal frame data dual port RAM, by reading frame data
Storage address is determined by memoryRead_pTx；The frame data of a unit are often read, the value of memoryRead_pTx increases by 1,
To be directed toward next address data memory read；When a frame is read completely, i.e. the value of memoryRead_pTx is equal to
FirstBackIndex be directed toward transmitting terminal frame end address dual port RAM in corresponding data, frame end address signal from
It is read in the transmitting terminal frame end address dual port RAM that firstBackIndex is directed toward, and the value of firstBackIndex increases
1, to be directed toward the position that next frame end address read is stored；It is connect when receiving the frame sent from data frame receipt side
When receiving confirmation signal, the value of confirmBackIndex increases by 1, to be directed toward the data frame end address that next confirmation is received
The position stored；When receiving the frame sent from data receiver and not being received confirmation signal, firstBackIndex quilts
The value of confirmBackIndex is assigned, memoryRead_pTx is endowed the starting of confirmBackIndex corresponding data frames
Address, the data frame and data frame later will be read by outbound reading interface successively.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6266702B1 (en) * | 1998-09-28 | 2001-07-24 | Raytheon Company | Method and apparatus to insert and extract data from a plurality of slots of data frames by using access table to identify network nodes and their slots for insertion and extraction data |
| US20060015659A1 (en) * | 2004-07-19 | 2006-01-19 | Krantz Leon A | System and method for transferring data using storage controllers |
| CN1812314A (en) * | 2005-01-24 | 2006-08-02 | 中兴通讯股份有限公司 | Data with different rate group frame transmitting method and device |
| CN101056318A (en) * | 2007-05-22 | 2007-10-17 | 上海微电子装备有限公司 | A multi-link transfer control method |
| CN101237582A (en) * | 2008-03-07 | 2008-08-06 | 北京中星微电子有限公司 | Local dynamic image amplification device and method and image processing system |
| CN101996147A (en) * | 2009-08-25 | 2011-03-30 | 北京广利核系统工程有限公司 | Method for realizing dual-port RAM (Random-Access memory) mutual exclusion access |
| CN102915281A (en) * | 2012-09-12 | 2013-02-06 | 北京空间飞行器总体设计部 | Cache system and cache method of high-reliable spacecraft frame format data queue |
| CN105227279A (en) * | 2015-10-19 | 2016-01-06 | 中国航空无线电电子研究所 | A kind of Redundancy Management system for dual-fiber-channel network communicating system |
| CN105630424A (en) * | 2015-12-31 | 2016-06-01 | 航天恒星科技有限公司 | Data processing method, device and system |
| CN106656425A (en) * | 2017-01-09 | 2017-05-10 | 电子科技大学 | Efficient error retransmission and access mechanism of fixed frame length in fiber channel |
| CN107463520A (en) * | 2017-08-14 | 2017-12-12 | 中国航空无线电电子研究所 | A kind of dual port RAM anti-collision method based on FPGA |
-
2017
- 2017-12-15 CN CN201711347085.0A patent/CN108319557B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6266702B1 (en) * | 1998-09-28 | 2001-07-24 | Raytheon Company | Method and apparatus to insert and extract data from a plurality of slots of data frames by using access table to identify network nodes and their slots for insertion and extraction data |
| US20060015659A1 (en) * | 2004-07-19 | 2006-01-19 | Krantz Leon A | System and method for transferring data using storage controllers |
| CN1812314A (en) * | 2005-01-24 | 2006-08-02 | 中兴通讯股份有限公司 | Data with different rate group frame transmitting method and device |
| CN101056318A (en) * | 2007-05-22 | 2007-10-17 | 上海微电子装备有限公司 | A multi-link transfer control method |
| CN101237582A (en) * | 2008-03-07 | 2008-08-06 | 北京中星微电子有限公司 | Local dynamic image amplification device and method and image processing system |
| CN101996147A (en) * | 2009-08-25 | 2011-03-30 | 北京广利核系统工程有限公司 | Method for realizing dual-port RAM (Random-Access memory) mutual exclusion access |
| CN102915281A (en) * | 2012-09-12 | 2013-02-06 | 北京空间飞行器总体设计部 | Cache system and cache method of high-reliable spacecraft frame format data queue |
| CN105227279A (en) * | 2015-10-19 | 2016-01-06 | 中国航空无线电电子研究所 | A kind of Redundancy Management system for dual-fiber-channel network communicating system |
| CN105630424A (en) * | 2015-12-31 | 2016-06-01 | 航天恒星科技有限公司 | Data processing method, device and system |
| CN106656425A (en) * | 2017-01-09 | 2017-05-10 | 电子科技大学 | Efficient error retransmission and access mechanism of fixed frame length in fiber channel |
| CN107463520A (en) * | 2017-08-14 | 2017-12-12 | 中国航空无线电电子研究所 | A kind of dual port RAM anti-collision method based on FPGA |
Non-Patent Citations (1)
| Title |
|---|
| 董振兴 等: "CFDP协议在空间数据传输链路设计应用", 《电子设计工程》 * |
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