CN107818063A - More level mongline two-way communication method and system - Google Patents

More level mongline two-way communication method and system Download PDF

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Publication number
CN107818063A
CN107818063A CN201610822920.0A CN201610822920A CN107818063A CN 107818063 A CN107818063 A CN 107818063A CN 201610822920 A CN201610822920 A CN 201610822920A CN 107818063 A CN107818063 A CN 107818063A
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slave
main frame
data
level signals
transmits
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陈良金
雷鹏
房柏阳
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Spreadtrum Communications Shanghai Co Ltd
Spreadtrum Communications Inc
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Spreadtrum Communications Shanghai Co Ltd
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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
    • G06F13/40—Bus structure
    • G06F13/4063—Device-to-bus coupling
    • G06F13/4068—Electrical coupling
    • 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
    • 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
    • G06F2213/0064—Latency reduction in handling transfers

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Dc Digital Transmission (AREA)

Abstract

The present invention provides a kind of more level mongline two-way communication method and system.Methods described includes：When main frame transmits data to slave, data output N kind current values that the main frame transmit according to from main frame to slave, with the generation N level signals on order wire, wherein N >=3, N take positive integer；The N level signals are converted into the data that the main frame transmits to slave by the slave；When slave transmits data to main frame, the slave produces M kind resistance values according to slave to the data that main frame transmits, and to produce M level signals on order wire, wherein M >=3, M take positive integer；The M level signals are converted into the data that the slave transmits to main frame by the main frame.The present invention can improve the message transmission rate of mongline two-way communication.

Description

More level mongline two-way communication method and system
Technical field
The present invention relates to digital communication technology field, more particularly to a kind of more level mongline two-way communication method and system.
Background technology
In the communications field of quick charger and battery, in order to save I/O pins, mongline two-way communication is much all used. Existing mongline two-way communication realizes data transfer by fixed voltage (or electric current) coding, than if any voltage output with 1 table Show, Non voltage output is represented with 0, data progress binary coding is realized into single wire transmission, this data transmission method only has 1 He 0 two kinds of level, message transmission rate are low.
The content of the invention
More level mongline two-way communication method and system provided by the invention, it is possible to increase the data of mongline two-way communication pass Defeated speed.
In a first aspect, the present invention provides a kind of more level mongline two-way communication methods, methods described is used for main frame to slave Data are transmitted, including：
The data output N kind current values that the main frame transmits according to main frame to slave, to produce N level letter on order wire Number, wherein N >=3, N take positive integer；
The N level signals are converted into the data that the main frame transmits to slave by the slave.
Alternatively, the data output N kind current values that the main frame transmits according to main frame to slave, to be produced on order wire N level signals, including：
Main frame coding/decoding module is by the main frame to the data conversion that slave transmits into the first N system code；
First N system code is converted into main frame variable current source control instruction by main frame current control module；
Main frame variable current source exports N kind current values according to the main frame variable current source control instruction, with order wire Upper generation N level signals.
Alternatively, the N level signals are converted into the data that the main frame transmits to slave by the slave, including：
Slave voltage detection module is converted into the 2nd N after the N level signals are detected, by the N level signals Scale coding；
Second N system code is converted into the data that the main frame transmits to slave by slave coding/decoding module.
Second aspect, the present invention provide a kind of more level mongline two-way communication methods, and methods described is used for slave to main frame Data are transmitted, including：
The slave produces M kind resistance values according to slave to the data that main frame transmits, to produce M level letter on order wire Number, wherein M >=3, M take positive integer；
The M level signals are converted into the data that the slave transmits to main frame by the main frame.
Alternatively, the slave produces M kind resistance values according to slave to the data that main frame transmits, to be produced on order wire M level signals, including：
Slave coding/decoding module is by the slave to the data conversion that main frame transmits into the first M system code；
First M system code is converted into slave variable resistance control instruction by slave resistive control module；
Slave variable resistance produces M kind resistance values according to the slave variable resistance control instruction, with order wire Upper generation M level signals.
Alternatively, the M level signals are converted into the data that the slave transmits to main frame by the main frame, including：
Host voltage detection module is converted into the 2nd M after the M level signals are detected, by the M level signals Scale coding；
Second M system code is converted into the data that the slave transmits to main frame by main frame coding/decoding module.
The third aspect, the present invention provide a kind of more level mongline two-way communication systems, including main frame and slave,
When main frame transmits data to slave, the main frame is used for the data output N kinds electricity transmitted according to main frame to slave Flow valuve, to produce N level signals on order wire, wherein N >=3, N take positive integer；The slave is used for the N level signals It is converted into the data that the main frame transmits to slave；
When slave transmits data to main frame, the slave is used to produce M kinds electricity to the data that main frame transmits according to slave Resistance, to produce M level signals on order wire, wherein M >=3, M take positive integer；The main frame is used for the M level signals It is converted into the data that the slave transmits to main frame.
Alternatively, the main frame includes：Main frame coding/decoding module, main frame current control module, main frame variable current source and Host voltage detection module, wherein,
The main frame coding/decoding module, for by the main frame to the data conversion that slave transmits into the first N system code；
The main frame current control module, for the first N system code conversion for generating the main frame coding/decoding module Into main frame variable current source control instruction；
The main frame variable current source, for the main frame variable current source control generated according to the main frame current control module System instruction output N kind current values, to produce N level signals on order wire；
The host voltage detection module, for after the M level signals are detected, the M level signals to be turned Change the second M system code into；
The main frame coding/decoding module, it is additionally operable to turn the second M system code of host voltage detection module generation Change the data that the slave transmits to main frame into.
Alternatively, the slave includes：Slave coding/decoding module, slave resistive control module, slave variable resistance and Slave voltage detection module, wherein,
The slave coding/decoding module, for by the slave to the data conversion that main frame transmits into the first M system code；
The slave resistive control module, for the first M system code conversion for generating the slave coding/decoding module Into slave variable resistance control instruction；
The slave variable resistance, for the slave variable resistance control generated according to the slave resistive control module System instruction produces M kind resistance values, to produce M level signals on order wire；
The slave voltage detection module, for after the N level signals are detected, the N level signals to be turned Change the second N system code into；
The slave coding/decoding module, it is additionally operable to turn the second N system code of slave voltage detection module generation Change the data that the main frame transmits to slave into.
More level mongline two-way communication method and system provided by the invention, it is described when main frame transmits data to slave The data output N kind current values that main frame transmits according to main frame to slave, to produce N level signals, wherein N >=3 on order wire, N takes positive integer, and the N level signals are converted into the data that the main frame transmits to slave by the slave；When slave is to main frame When transmitting data, the slave produces M kind resistance values according to slave to the data that main frame transmits, to produce M electricity on order wire Ordinary mail number, wherein M >=3, M take positive integer, and the M level signals are converted into the number that the slave transmits to main frame by the main frame According to.Compared with prior art, the present invention is carried out data transmission by the way of more level, it is possible to increase the number of mongline two-way communication According to transmission rate.
Brief description of the drawings
Fig. 1 is that more level mongline two-way communication methods that one embodiment of the invention provides are used for main frame to slave transmission data Flow chart；
Fig. 2 is that more level mongline two-way communication methods that another embodiment of the present invention provides are used for main frame to slave transmission number According to flow chart；
Fig. 3 is that more level mongline two-way communication methods that one embodiment of the invention provides are used for slave to main frame transmission data Flow chart；
Fig. 4 is that more level mongline two-way communication methods that another embodiment of the present invention provides are used for slave to main frame transmission number According to flow chart；
Fig. 5 is the structural representation for more level mongline two-way communication systems that one embodiment of the invention provides；
Fig. 6 is the structural representation for more level mongline two-way communication systems that one embodiment of the present invention provides.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only Only it is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of more level mongline two-way communication methods, as shown in figure 1, methods described is used for main frame Data are transmitted to slave, including：
S11, main frame to slave transmit data when, data output N kind electric currents that the main frame transmits according to from main frame to slave Value, to produce N level signals on order wire, wherein N >=3, N take positive integer；
The N level signals are converted into the data that the main frame transmits to slave by S12, the slave.
Before main frame transmits data to slave, communication link is initialized, makes slave variable resistance output default value R0, it is main Machine variable current source output default value I0, therefore the initial voltage V on order wire0=I0*R0, main frame is using the side for sending pulse Formula transfers data to slave, and after the completion of each data transfer, the voltage on order wire all returns to initial voltage V0=I0*R0。
Alternatively, main frame to slave transmit data when, by main frame initiate communicate, specific steps as shown in Fig. 2 including：
S21, main frame coding/decoding module are by the main frame to the data conversion that slave transmits into the first N system code；
First N system code is converted into main frame variable current source control instruction by S22, main frame current control module；
S23, main frame variable current source export N kind current values according to the main frame variable current source control instruction, with logical Believe and N level signals are produced on line；
S24, slave voltage detection module are converted into after the N level signals are detected, by the N level signals Two N system codes；
Second N system code is converted into the data that the main frame transmits to slave by S25, slave coding/decoding module.
Specifically, for main frame, main frame variable current source is controllable, exportable N kinds current value I1, I2... ..., IN-1, IN, wherein N >=3, N take positive integer, in slave variable resistance output resistance R0In the presence of, it can be obtained on order wire One N level signal, include N kind voltages, be V respectively1=I1*R0, V2=I2*R0... ..., VN=IN*R0, this N kinds voltage according to Minor sort can represents the data of N systems.For example, during N=3, V can be produced on order wire1, V2, V3Three kinds of level, free group 27 (3 3 powers) kind implication can be produced by amounting to, that is to say, that if to transmit 27 data, as long as control main frame variable current Source exports 3 kinds of different electric currents, it is possible to transmits this 27 data.
The embodiment of the present invention also provides a kind of more level mongline two-way communication methods, as shown in figure 3, methods described be used for from Machine transmits data to main frame, including：
When S31, slave are to main frame transmission data, the slave produces M kind resistance according to slave to the data that main frame transmits Value, to produce M level signals on order wire, wherein M >=3, M take positive integer；
The M level signals are converted into the data that the slave transmits to main frame by S32, the main frame.
Before slave transmits data to main frame, communication link is initialized, makes slave variable resistance output default value R0, it is main Machine variable current source output default value I0, therefore the initial voltage V on order wire0=I0*R0, slave is using the side for sending pulse Formula transfers data to main frame, and after the completion of each data transfer, the voltage on order wire all returns to initial voltage V0=I0*R0。
Alternatively, slave to main frame transmit data when, by slave initiate communicate, specific steps as shown in figure 4, including：
S41, slave coding/decoding module are by the slave to the data conversion that main frame transmits into the first M system code；
First M system code is converted into slave variable resistance control instruction by S42, slave resistive control module；
S43, slave variable resistance produce M kind resistance values according to the slave variable resistance control instruction, with logical Believe and M level signals are produced on line；
S44, host voltage detection module are converted into after the M level signals are detected, by the M level signals Two M system codes；
Second M system code is converted into the data that the slave transmits to main frame by S45, main frame coding/decoding module.
Specifically, for slave, slave variable resistance is controllable, exportable M kinds resistance value R1, R2... ..., RM-1, RM, wherein M >=3, M take positive integer, in main frame variable current source output current I0In the presence of, it can be obtained on order wire One M level signal, include M kind voltages, be V respectivelys1=I0*R1, Vs2=I0*R2... ..., VsM=I0*RM, this M kind voltage The can that sorts successively represents the data of M systems.For example, during M=3, V can be produced on order wires1, Vs2, Vs3Three kinds of level, from 27 (3 3 powers) kind implication can be produced altogether by combining, that is to say, that if to transmit 27 data, as long as control slave is variable Resistor produces 3 kinds of different resistance, it is possible to transmits this 27 data.
More level mongline two-way communication methods provided in an embodiment of the present invention, it is described when main frame transmits data to slave The data output N kind current values that main frame transmits according to main frame to slave, to produce N level signals, wherein N >=3 on order wire, N takes positive integer, and the N level signals are converted into the data that the main frame transmits to slave by the slave；When slave is to main frame When transmitting data, the slave produces M kind resistance values according to slave to the data that main frame transmits, to produce M electricity on order wire Ordinary mail number, wherein M >=3, M take positive integer, and the M level signals are converted into the number that the slave transmits to main frame by the main frame According to.Compared with prior art, the embodiment of the present invention is carried out data transmission by the way of more level, it is possible to increase mongline bidirectional leads to The message transmission rate of letter.
The embodiment of the present invention provides a kind of more level mongline two-way communication systems, as shown in figure 5, the system includes main frame 51 and slave 52, when the main frame 51 transmits data to the slave 52, the main frame 51 is used for according to main frame 51 to slave The data output N kind current values of 52 transmission, to produce N level signals on order wire 53, wherein N >=3, N take positive integer；It is described Slave 52 is used for the data that the N level signals are converted into the main frame 51 and transmitted to slave 52；When the slave 52 is to institute When stating the transmission data of main frame 51, the slave 52 is used to produce M kind resistance values to the data that main frame 51 transmits according to slave 52, with M level signals are produced on order wire 53, wherein M >=3, M take positive integer；The main frame 51 is used to turn the M level signals Change the data that the slave 52 transmits to main frame 51 into.
Alternatively, as shown in fig. 6, the main frame 51 includes：Main frame coding/decoding module 511, main frame current control module 512nd, main frame variable current source 513 and host voltage detection module 514, wherein,
The main frame coding/decoding module 511, for the main frame 51 to be entered to the data conversion that slave 52 transmits into the first N System coding；
The main frame current control module 512, the first N systems for the main frame coding/decoding module 511 to be generated are compiled Code is converted into main frame variable current source control instruction；
The main frame variable current source 513, the main frame for being generated according to the main frame current control module 512 can power transformation Stream source control instruction output N kind current values, to produce N level signals on order wire 53；
The host voltage detection module 514, for slave 52 to main frame 51 transmit data when, detecting M electricity After ordinary mail number, the M level signals are converted into the second M system code；
The main frame coding/decoding module 511, it is additionally operable to the 2nd M systems for generating the host voltage detection module 514 The data that code conversion is transmitted into the slave 52 to main frame 51.
Alternatively, as shown in fig. 6, the slave 52 includes：Slave coding/decoding module 521, slave resistive control module 522nd, slave variable resistance 523 and slave voltage detection module 524, wherein,
The slave coding/decoding module 521, for the slave 52 to be entered to the data conversion that main frame 51 transmits into the first M System coding；
The slave resistive control module 522, the first M systems for the slave coding/decoding module 521 to be generated are compiled Code is converted into slave variable resistance control instruction；
The slave variable resistance 523, the slave for being generated according to the slave resistive control module 522 can power transformation Hinder device control instruction and produce M kind resistance values, to produce M level signals on order wire 53；
The slave voltage detection module 524, for main frame 51 to slave 52 transmit data when, detecting N electricity After ordinary mail number, the N level signals are converted into the second N system code；
The slave coding/decoding module 521, it is additionally operable to the 2nd N systems for generating the slave voltage detection module 524 The data that code conversion is transmitted into the main frame 51 to slave 52.
More level mongline two-way communication systems provided in an embodiment of the present invention, suitable for current popular quick charger and The communication of battery, including main frame and slave, when main frame transmits data to slave, the main frame transmits according to main frame to slave Data output N kind current values, to produce N level signals on order wire, wherein N >=3, N take positive integer, and the slave is by described in N level signals are converted into the data that the main frame transmits to slave；When slave to main frame transmit data when, the slave according to from Machine produces M kind resistance values to the data that main frame transmits, and to produce M level signals on order wire, wherein M >=3, M take positive integer, The M level signals are converted into the data that the slave transmits to main frame by the main frame.Compared with prior art, the present invention is real Apply example by the way of more level to carry out data transmission, it is possible to increase the message transmission rate of mongline two-way communication.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access Memory, RAM) etc..
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.

Claims (9)

  1. A kind of 1. more level mongline two-way communication methods, it is characterised in that methods described is used for main frame and transmits data, bag to slave Include：
    The data output N kind current values that the main frame transmits according to main frame to slave, to produce N level signals on order wire, Wherein N >=3, N take positive integer；
    The N level signals are converted into the data that the main frame transmits to slave by the slave.
  2. 2. according to the method for claim 1, it is characterised in that the data output that the main frame transmits according to main frame to slave N kind current values, to produce N level signals on order wire, including：
    Main frame coding/decoding module is by the main frame to the data conversion that slave transmits into the first N system code；
    First N system code is converted into main frame variable current source control instruction by main frame current control module；
    Main frame variable current source exports N kind current values according to the main frame variable current source control instruction, to be produced on order wire Raw N level signals.
  3. 3. according to the method for claim 1, it is characterised in that the N level signals are converted into the master by the slave The data that machine transmits to slave, including：
    Slave voltage detection module is converted into the 2nd N systems after the N level signals are detected, by the N level signals Coding；
    Second N system code is converted into the data that the main frame transmits to slave by slave coding/decoding module.
  4. A kind of 4. more level mongline two-way communication methods, it is characterised in that methods described is used for slave and transmits data, bag to main frame Include：
    The slave produces M kind resistance values according to slave to the data that main frame transmits, to produce M level signals on order wire, Wherein M >=3, M take positive integer；
    The M level signals are converted into the data that the slave transmits to main frame by the main frame.
  5. 5. according to the method for claim 4, it is characterised in that the slave produces according to slave to the data that main frame transmits M kind resistance values, to produce M level signals on order wire, including：
    Slave coding/decoding module is by the slave to the data conversion that main frame transmits into the first M system code；
    First M system code is converted into slave variable resistance control instruction by slave resistive control module；
    Slave variable resistance produces M kind resistance values according to the slave variable resistance control instruction, to be produced on order wire Raw M level signals.
  6. 6. according to the method for claim 4, it is characterised in that the main frame by the M level signals be converted into it is described from The data that machine transmits to main frame, including：
    Host voltage detection module is converted into the 2nd M systems after the M level signals are detected, by the M level signals Coding；
    Second M system code is converted into the data that the slave transmits to main frame by main frame coding/decoding module.
  7. A kind of 7. more level mongline two-way communication systems, it is characterised in that including main frame and slave,
    When main frame transmits data to slave, the main frame is used for the data output N kind current values transmitted according to main frame to slave, To produce N level signals on order wire, wherein N >=3, N take positive integer；The slave is used to change the N level signals The data transmitted into the main frame to slave；
    When slave transmits data to main frame, the slave is used to produce M kind resistance values to the data that main frame transmits according to slave, To produce M level signals on order wire, wherein M >=3, M take positive integer；The main frame is used to change the M level signals The data transmitted into the slave to main frame.
  8. 8. system according to claim 7, it is characterised in that the main frame includes：Main frame coding/decoding module, main frame electric current Control module, main frame variable current source and host voltage detection module, wherein,
    The main frame coding/decoding module, for by the main frame to the data conversion that slave transmits into the first N system code；
    The main frame current control module, the first N system code for the main frame coding/decoding module to be generated are converted into leading Machine variable current source control instruction；
    The main frame variable current source, the main frame variable current source control for being generated according to the main frame current control module refer to Order output N kind current values, to produce N level signals on order wire；
    The host voltage detection module, for after the M level signals are detected, the M level signals to be converted into Second M system code；
    The main frame coding/decoding module, it is additionally operable to the second M system code of host voltage detection module generation being converted into The data that the slave transmits to main frame.
  9. 9. system according to claim 7, it is characterised in that the slave includes：Slave coding/decoding module, slave resistance Control module, slave variable resistance and slave voltage detection module, wherein,
    The slave coding/decoding module, for by the slave to the data conversion that main frame transmits into the first M system code；
    The slave resistive control module, the first M system code for the slave coding/decoding module to be generated be converted into from Machine variable resistance control instruction；
    The slave variable resistance, the slave variable resistance control for being generated according to the slave resistive control module refer to Order produces M kind resistance values, to produce M level signals on order wire；
    The slave voltage detection module, for after the N level signals are detected, the N level signals to be converted into Second N system code；
    The slave coding/decoding module, it is additionally operable to the second N system code of slave voltage detection module generation being converted into The data that the main frame transmits to slave.
CN201610822920.0A 2016-09-13 2016-09-13 More level mongline two-way communication method and system Pending CN107818063A (en)

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CN109979183A (en) * 2019-05-05 2019-07-05 长沙优力电驱动系统有限公司 Signaling method, method of reseptance and signal transmission apparatus based on current carrier
CN110113076A (en) * 2019-06-17 2019-08-09 王宗正 A kind of electric current communication transmission system and its transmission method
CN110500722A (en) * 2019-07-30 2019-11-26 广东申菱环境系统股份有限公司 An a kind of air-conditioning group of planes and its control method
CN110608502A (en) * 2019-09-10 2019-12-24 青岛海尔空调电子有限公司 Air conditioner communication method based on single-wire half-duplex communication and air conditioner
CN111404569A (en) * 2020-03-06 2020-07-10 深圳盈特创智能科技有限公司 Efficient single-wire communication method between single-chip microcomputers
CN113098487A (en) * 2021-06-10 2021-07-09 上海亿存芯半导体有限公司 IO interface circuit with single input port and multiple slave addresses and communication equipment

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CN109979183B (en) * 2019-05-05 2024-04-09 长沙优力电驱动系统有限公司 Signal transmitting method, receiving method and signal transmission equipment based on current carrier
CN110113076A (en) * 2019-06-17 2019-08-09 王宗正 A kind of electric current communication transmission system and its transmission method
CN110113076B (en) * 2019-06-17 2022-04-12 四川金嘉莱科技有限公司 Current communication transmission system and transmission method thereof
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Application publication date: 20180320