CN109656734A - The multichain formula communication system of multioperation chip - Google Patents
The multichain formula communication system of multioperation chip Download PDFInfo
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- CN109656734A CN109656734A CN201910141294.2A CN201910141294A CN109656734A CN 109656734 A CN109656734 A CN 109656734A CN 201910141294 A CN201910141294 A CN 201910141294A CN 109656734 A CN109656734 A CN 109656734A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/546—Message passing systems or structures, e.g. queues
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Abstract
The invention discloses a kind of multichain formula communication systems of multioperation chip, including a control chip and several communication links；Controlling chip includes the communication channel being correspondingly connected with communication link, and each communication channel includes data sending terminal dntx and data receiver dnrx；Each communication link includes several operation chips being serially connected；It controls chip and default downlink communication agreement sending downlink communication data is based on by data sending terminal dntx, the task of each communication link is allocated；Chip is controlled by data receiver dnrx, receives the uplink communication data based on default uplink communication agreement that each operation chip on corresponding communication link issues.The communication link structure simple designs difficulty that the present invention has is low, to reduce production cost；And be mutually independent of each other between different communication link, the quantity of operation chip can be further increased, to improve system operations performance.
Description
Technical field
The present invention relates to multioperation chip communication technology field more particularly to a kind of multichain formula communication systems of multioperation chip
System.
Background technique
It is usually by a control chip and numerous fortune for complex calculation system huge for an operand
Calculate chip composition.Within the system, control chip is responsible for configuring each operation chip, and distributes processor active task to each operation core
Piece.Each operation chip is responsible for handling operational data, and returns to operation result and give control chip.It is this direct by control chip
Each operation chip, and each mutually independent mode of operation chip are controlled, too due to the line of control chip and operation chip
It is more, the quantity of operation chip is limited, also results in that system operations performance is inadequate, the requirement not being able to satisfy to operational performance is more next
Higher demand, and since the design of complicated route can bring manufacturing cost to rise.
Summary of the invention
The multichain formula communication system of multioperation chip provided by the invention, main purpose are to overcome existing complex calculation
System not only limits the quantity of operation chip, and it is inadequate to also result in system operations performance, is not able to satisfy and wants to operational performance
Higher and higher demand is sought, and since the design of complicated route can bring the defect of manufacturing cost rising.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of multichain formula communication system of multioperation chip, including a control chip and several communication links；
The control chip includes the communication channel being correspondingly connected with the communication link, and each communication channel is wrapped
Include data sending terminal dntx and data receiver dnrx；
Each communication link includes several operation chips being serially connected；Each operation chip includes upper line number
According to transmitting terminal uptx, upstream data receiving end uprx, downlink data transmitting terminal dntx, downlink data receiving end dnrx；
In each operation chip:
Its upstream data transmitting terminal uptx is connected to the downlink data receiving end dnrx of previous stage operation chip；
Its upstream data receiving end uprx is connected to the downlink data transmitting terminal dntx of previous stage operation chip；
Its downlink data transmitting terminal dntx is connected to the upstream data receiving end uprx of rear stage operation chip；
Its downlink data receiving end dnrx is connected to the upstream data transmitting terminal uptx of rear stage operation chip；
The operation chip is the first order operation chip nearest apart from the control chip:
Its upstream data transmitting terminal uptx is connected to the data receiver dnrx of the corresponding communication channel；
Its upstream data receiving end uprx is connected to the data sending terminal dntx of the corresponding communication channel；
Its downlink data transmitting terminal dntx is connected to the upstream data receiving end uprx of rear stage operation chip；
Its downlink data receiving end dnrx is connected to the upstream data transmitting terminal uptx of rear stage operation chip；
The operation chip is the M grade operation chips farthest apart from the control chip:
Its upstream data transmitting terminal uptx is connected to the downlink data receiving end dnrx of previous stage operation chip；
Its upstream data receiving end uprx is connected to the downlink data transmitting terminal dntx of previous stage operation chip；
Its downlink data transmitting terminal dntx is hanging；
Its downlink data receiving end dnrx is invalid；
The control chip is based on default downlink communication agreement by data sending terminal dntx and issues downlink communication data, right
The task of each communication link is allocated；
The control chip receives what each operation chip on corresponding communication link issued by data receiver dnrx
Uplink communication data based on default uplink communication agreement.
As an embodiment, the downlink communication data that the control chip issues, by mutual in communication link
The downlink data transmitting terminal dntx and upstream data receiving end uprx of series connection operation chip are sent in specified operation chip.
As an embodiment, the control chip passes through the upper line number that operation chip is serially connected in communication link
According to transmitting terminal uptx and downlink data receiving end dnrx, the reception of uplink communication data is completed.
As an embodiment, the downlink communication protocol format include communications command type command type,
Operation chip address destination chip ID, offset address offset address, order length command
Length, command context and CRC check value.
As an embodiment, the downlink communication agreement includes unicast mode and broadcast mode；
The unicast mode is the downlink communication issued to specified operation chip；
The broadcast mode is the downlink communication being simultaneously emitted by all operation chips.
As an embodiment, when downlink communications command command type is CMD0, it is expressed as register write
Order；When downlink communications command command type is CMD1, it is expressed as register read command；
When downlink communications command is register read command, downlink communication protocol format includes downlink communication order
Command type, operation chip address destination chip ID, the school offset address offset address and CRC
Test value.
As an embodiment, the uplink communication protocol format include communication data Packet type return type,
Operation chip address source chip ID, offset address offset address, returned data packet length data length,
Returned data packet content and CRC check value.
As an embodiment, the format of the communication data packet in the uplink communication agreement is divided into three kinds:
Pkt_type0: return register readings；
Pkt_type1: it interrupts and returns；
And pkt_type2: it returns and calculates target value.
As an embodiment, any operation chip in the communication link, while receiving and caching its downlink
The operational data that the communication data and this operation chip for being sent to the operation chip generate, and be sent to according to preset order mechanism
In the operation chip of uplink.
As an embodiment, the control chip identifies the communication data from different communication channel, and controls
Processor active task is uniformly sent to each communication link.
Compared with prior art, the technical program has the advantage that
The multichain formula communication system of multioperation chip provided by the invention, using control the multiple communication links of chip controls,
And each communication link includes the mutually independent serial communication structure of several operation chips being serially connected；So that control chip
Coordinate the task distribution of each communication link based on downlink communication agreement, and is received in each communication link based on uplink communication agreement
Each operation chip uplink communication data；Communication link structure simple designs difficulty to have is low, to reduce life
Produce cost；Uplink and downlink communication agreement is relied on simultaneously, eliminates the uplink and downlink communication number of each operation chip in individual communications links
According to interfere with each other, ensure that each operation chip can be properly received and send data, between different communication link mutually not
It influences, further increases the quantity of operation chip, improve system operations performance.
Detailed description of the invention
Fig. 1 is the topology layout schematic diagram of the multichain formula communication system for the multioperation chip that the embodiment of the present invention one provides.
In figure: 1, controlling chip；11, communication channel；2, communication link；21, operation chip.
Specific embodiment
Below in conjunction with attached drawing, the technical characteristic and advantage above-mentioned and other to the present invention are clearly and completely described,
Obviously, described embodiment is only section Example of the invention, rather than whole embodiments.
Referring to Fig. 1, the multichain formula communication system for the multioperation chip that the embodiment of the present invention one provides, including a control
Chip 1 and several communication links 2；
Control chip 1 includes the communication channel 11 being correspondingly connected with communication link 2, and each communication channel 11 includes data
Transmitting terminal dntx and data receiver dnrx；
Each communication link 2 includes several operation chips 21 being serially connected；Each operation chip 21 includes upstream data
Transmitting terminal uptx, upstream data receiving end uprx, downlink data transmitting terminal dntx, downlink data receiving end dnrx；
In each operation chip 21:
Its upstream data transmitting terminal uptx is connected to the downlink data receiving end dnrx of previous stage operation chip 21；
Its upstream data receiving end uprx is connected to the downlink data transmitting terminal dntx of previous stage operation chip 21；
Its downlink data transmitting terminal dntx is connected to the upstream data receiving end uprx of rear stage operation chip 21；
Its downlink data receiving end dnrx is connected to the upstream data transmitting terminal uptx of rear stage operation chip 21；
Operation chip 21 is the nearest first order operation chip of distance controlling chip 1:
Its upstream data transmitting terminal uptx is connected to the data receiver dnrx of corresponding communication channel 11；
Its upstream data receiving end uprx is connected to the data sending terminal dntx of corresponding communication channel 11；
Its downlink data transmitting terminal dntx is connected to the upstream data receiving end uprx of rear stage operation chip 21；
Its downlink data receiving end dnrx is connected to the upstream data transmitting terminal uptx of rear stage operation chip 21；
Operation chip 21 is M grades of farthest operation chips of distance controlling chip 1:
Its upstream data transmitting terminal uptx is connected to the downlink data receiving end dnrx of previous stage operation chip 21；
Its upstream data receiving end uprx is connected to the downlink data transmitting terminal dntx of previous stage operation chip 21；
Its downlink data transmitting terminal dntx is hanging；
Its downlink data receiving end dnrx is invalid；
It controls chip 1 and default downlink communication agreement sending downlink communication data is based on by data sending terminal dntx, to every
The task of a communication link 2 is allocated；
Chip 1 is controlled by data receiver dnrx, receives what each operation chip 21 on corresponding communication link 2 issued
Uplink communication data based on default uplink communication agreement.
It should be noted that control chip 1 includes N (N=0,1,2...N) a communication channel 11, and the number of communication link 2
Amount can be identical with the quantity of communication channel 11.There is M (M=0,1,2...M) a fortune being serially connected in each communication link 2
Calculate chip 21；The nearest operation chip 21 of distance controlling chip 1 is defined as first order operation chip, by distance controlling chip 1
Farthest operation chip 21 is defined as M grades of operation chips.That is, in each communication link 2, first order operation chip
It is connected with by communication channel 11 with control chip 1, intermediate second level operation chip to M-1 grades of operation chips is mutual
The downlink data receiving end dnrx fixation of series connection, M grades of operation chips connects " 1 " (i.e. invalid), downlink data transmitting terminal dntx is outstanding
It is empty.The structure of more communication links 2 can make mutually to be independent of each other between different communication link 2, can increase with the demand of operand
Add communication link 2, that is, increase operation chip 21, to improve system operations performance.
It controls chip 1 and by communication channel 11 completes that the task of operation chip 21 on all communication links 2 is distributed and tied
Fruit receives.It controls chip 1 default downlink communication agreement is based on by data sending terminal dntx and issue downlink communication data, and downlink
Communications protocol format includes communications command type command type, operation chip address destination chip ID, offset
Address offset address, order length command length, command context and CRC check value.Control chip 1 passes through
Data receiver dnrx receives the uplink communication data based on default uplink communication agreement that each operation chip 21 issues.Uplink
Communications protocol format includes communication data Packet type return type, operation chip address source chip ID, offset address
Offset address, returned data packet length data length, returned data packet content and CRC check value.And uplink is logical
The format of communication data packet in letter agreement is divided into three kinds: pkt_type0: return register readings；Pkt_type1: interruption is returned
It returns；And pkt_type2: it returns and calculates target value.Using preset downlink communication agreement and uplink communication agreement, coordinate each
Operation chip 21 reduces interference of the downlink communication data between the operation chip 21 being serially connected, enhances robustness, to protect
Data can be properly received and send by having demonstrate,proved each operation chip 21.
The multichain formula communication system of multioperation chip provided by the invention controls multiple communication links using control chip 1
2, and each communication link 2 includes the mutually independent serial communication structure of several operation chips 21 being serially connected；So that control
Coremaking piece 1 coordinates the task distribution of each communication link 2 based on downlink communication agreement, and receives each lead to based on uplink communication agreement
Believe the uplink communication data of each operation chip 21 in link 2；2 structure simple designs difficulty of communication link to have
It is low, to reduce production cost；Uplink and downlink communication agreement is relied on simultaneously, eliminates each operation chip in individual communications links 2
21 uplink and downlink communication data interfere with each other, and ensure that each operation chip 21 can be properly received and send data, different
It is mutually independent of each other between communication link 2, further increases the quantity of operation chip 21, improve system operations performance.
Transmission for downlink communication data；The downlink communication data that chip 1 issues are controlled, phase in communication link 2 is passed through
Mutually the downlink data transmitting terminal dntx and upstream data receiving end uprx of series connection operation chip 21 are sent to specified operation chip
In 21.Reduce the interference that each operation chip 21 transmits downlink communication data in single communication link.
Reception for uplink communication data；Control chip 1 is by being serially connected the upper of operation chip 21 in communication link 2
Row data sending terminal uptx and downlink data receiving end dnrx completes the reception of uplink communication data.It reduces in single communication link
The interference that each operation chip 21 transmits uplink communication data in road.
It is in order to balance efficiently and flexible, while improving operational capability；Downlink communication agreement includes unicast mode and broadcast mould
Formula；Unicast mode is the downlink communication issued to specified operation chip 21；Broadcast mode is to send out simultaneously to all operation chips 21
Downlink communication out.Broadcast mode and unicast mode are determined by the operation chip address in downlink communication agreement, to communication link
It is then broadcast mode when upper all operation chips 21 issue the operation chip address destination chip ID for having FF,
Indicate that operation chip 21 all on the communication link will receive and process the order.Only specified operation chip 21 is issued
Operation chip address destination chip ID with FF, and other operation chips 21 are issued with the operation core without FF
Then it is unicast mode when the destination chip ID of piece address, indicates only specified operation chip 21 to be needed to handle the life
It enables.That is, operation chip 21 receives all orders, only when being chip address and this chip in broadcasting command or order
When matching, the order is just handled.
Further, when downlink communications command command type is CMD0, it is expressed as register write order；Work as downlink
When communications command command type is CMD1, it is expressed as register read command.When downlink communications command is register read command
When, downlink communication protocol format includes downlink communication order command type, operation chip address destination chip
ID, offset address offset address and CRC check value.Register write order is that the life of write operation is carried out to register
It enables.Register read command is any operation chip further to the order of register progress read operation, in communication link 2
21, while receiving and caching the operand that its downlink is sent to the communication data of the operation chip 21 and this operation chip 21 generates
According to, and be sent in the operation chip 21 of uplink according to preset order mechanism；It is transmitted to coordinate data in each operation chip 21
Harmony, to improve operational performance.
Further, control chip 1 identifies the communication data from different communication channel 11, and it is uniform to control processor active task
Be sent to each communication link 2.To evenly distribute task to each communication link 2, single communication link 2 or operation core are avoided
The excessive situation of 21 treating capacity of piece.
Although the invention has been described by way of example and in terms of the preferred embodiments, but it is not for limiting the present invention, any this field
Technical staff without departing from the spirit and scope of the present invention, may be by the methods and technical content of the disclosure above to this hair
Bright technical solution makes possible variation and modification, therefore, anything that does not depart from the technical scheme of the invention, and according to the present invention
Technical spirit any simple modifications, equivalents, and modifications to the above embodiments, belong to technical solution of the present invention
Protection scope.
Claims (10)
1. a kind of multichain formula communication system of multioperation chip, which is characterized in that including a control chip and several communication chains
Road；
The control chip includes the communication channel being correspondingly connected with the communication link, and each communication channel includes number
According to transmitting terminal dntx and data receiver dnrx；
Each communication link includes several operation chips being serially connected；Each operation chip includes upstream data hair
Sending end uptx, upstream data receiving end uprx, downlink data transmitting terminal dntx, downlink data receiving end dnrx；
In each operation chip:
Its upstream data transmitting terminal uptx is connected to the downlink data receiving end dnrx of previous stage operation chip；
Its upstream data receiving end uprx is connected to the downlink data transmitting terminal dntx of previous stage operation chip；
Its downlink data transmitting terminal dntx is connected to the upstream data receiving end uprx of rear stage operation chip；
Its downlink data receiving end dnrx is connected to the upstream data transmitting terminal uptx of rear stage operation chip；
The operation chip is the first order operation chip nearest apart from the control chip:
Its upstream data transmitting terminal uptx is connected to the data receiver dnrx of the corresponding communication channel；
Its upstream data receiving end uprx is connected to the data sending terminal dntx of the corresponding communication channel；
Its downlink data transmitting terminal dntx is connected to the upstream data receiving end uprx of rear stage operation chip；
Its downlink data receiving end dnrx is connected to the upstream data transmitting terminal uptx of rear stage operation chip；
The operation chip is the M grade operation chips farthest apart from the control chip:
Its upstream data transmitting terminal uptx is connected to the downlink data receiving end dnrx of previous stage operation chip；
Its upstream data receiving end uprx is connected to the downlink data transmitting terminal dntx of previous stage operation chip；
Its downlink data transmitting terminal dntx is hanging；
Its downlink data receiving end dnrx is invalid；
The control chip is based on default downlink communication agreement by data sending terminal dntx and issues downlink communication data, to each
The task of communication link is allocated；
The control chip by data receiver dnrx, receive that each operation chip on corresponding communication link issues based on
The uplink communication data of default uplink communication agreement.
2. the multichain formula communication system of multioperation chip as described in claim 1, which is characterized in that the control chip issues
Downlink communication data, connect by the downlink data transmitting terminal dntx and upstream data that are serially connected operation chip in communication link
Receiving end uprx is sent in specified operation chip.
3. the multichain formula communication system of multioperation chip as described in claim 1, which is characterized in that the control chip passes through
It is serially connected the upstream data transmitting terminal uptx and downlink data receiving end dnrx of operation chip in communication link, it is logical to complete uplink
The reception of letter data.
4. the multichain formula communication system of multioperation chip as described in claim 1, which is characterized in that the downlink communication agreement
Format includes communications command type command type, operation chip address destination chip ID, offset address
Offset address, order length command length, command context and CRC check value.
5. the multichain formula communication system of multioperation chip as claimed in claim 4, which is characterized in that the downlink communication agreement
Including unicast mode and broadcast mode；
The unicast mode is the downlink communication issued to specified operation chip；
The broadcast mode is the downlink communication being simultaneously emitted by all operation chips.
6. the multichain formula communication system of multioperation chip as claimed in claim 4, which is characterized in that when downlink communications command
When command type is CMD0, it is expressed as register write order；When downlink communications command command type is CMD1, table
It is shown as register read command；
When downlink communications command is register read command, downlink communication protocol format includes downlink communication order command
Type, operation chip address destination chip ID, offset address offset address and CRC check value.
7. the multichain formula communication system of multioperation chip as described in claim 1, which is characterized in that the uplink communication agreement
Format includes communication data Packet type return type, operation chip address source chip ID, offset address offset
Address, returned data packet length data length, returned data packet content and CRC check value.
8. the multichain formula communication system of multioperation chip as claimed in claim 7, which is characterized in that the uplink communication agreement
In the format of communication data packet be divided into three kinds:
Pkt_type0: return register readings；
Pkt_type1: it interrupts and returns；
And pkt_type2: it returns and calculates target value.
9. the multichain formula communication system of multioperation chip as described in claim 1, which is characterized in that in the communication link
Any operation chip, while receiving and caching communication data and the generation of this operation chip that its downlink is sent to the operation chip
Operational data, and be sent in the operation chip of uplink according to preset order mechanism.
10. the multichain formula communication system of multioperation chip as described in claim 1, which is characterized in that the control chip is known
Communication data not from different communication channel, and control processor active task and be uniformly sent to each communication link.
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| CN201910141294.2A CN109656734A (en) | 2019-02-26 | 2019-02-26 | The multichain formula communication system of multioperation chip |
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| CN201910141294.2A CN109656734A (en) | 2019-02-26 | 2019-02-26 | The multichain formula communication system of multioperation chip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110557386A (en) * | 2019-08-28 | 2019-12-10 | 帷幄匠心科技（杭州）有限公司 | Novel Internet of things communication protocol |
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| CN210181584U (en) * | 2019-02-26 | 2020-03-24 | 杭州德旺信息技术有限公司 | Multi-chain communication system with multiple operation chips |
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| CN103944671A (en) * | 2014-05-22 | 2014-07-23 | 中国地质大学（武汉） | Method and system for real-time transmission of ultra-wideband airborne data based on multichannel aggregation |
| CN108255756A (en) * | 2017-12-12 | 2018-07-06 | 深圳比特微电子科技有限公司 | A kind of multi-chip serial communication system |
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