CN102279827A - Multifunctional communication transit box - Google Patents
Multifunctional communication transit box Download PDFInfo
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- CN102279827A CN102279827A CN2011101529860A CN201110152986A CN102279827A CN 102279827 A CN102279827 A CN 102279827A CN 2011101529860 A CN2011101529860 A CN 2011101529860A CN 201110152986 A CN201110152986 A CN 201110152986A CN 102279827 A CN102279827 A CN 102279827A
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Abstract
The invention relates to a multifunctional communication transit box which comprises a main control unit, an uplink communication unit and a downlink communication unit which are connected with the main control unit, wherein the uplink communication unit is used for realizing serial port-based communication between the main control unit and an upper computer, and the downlink communication interface is used for realizing I2C, K-Bus, non-standard SPI (Serial Peripheral Interface), standard SPI, CAN (Controller Area Network) and LIN (Local Interconnect Network) interface-based communication between the main control unit and a product to be operated. The control of the whole communication process and the conversion of a communication protocol are realized by a self-customized communication protocol set in the main control unit. The communication transit box is connected with the upper computer so as to test and burn a plurality of products simultaneously, thus various conveniences caused by mutual incompatibility of special communication boxes are eliminated, production efficiency is greatly increased and manufacture cost is saved.
Description
Technical field
The present invention relates to produce and test and use electronic device field, specifically be meant a kind of multifunctional communication interconnecting device.
Background technology
In the manufacture process of automobile electronics, generally all can relate to burning and automatic test to product E EPROM.The communications protocol that the EEPROM burning relates to comprises I2C or SPI, and the communications protocol that automatic test relates to comprises I2C, K-Bus, non-standard SPI, standard SPI, CAN and LIN.In the existing production model, what the burning of product E EPROM was used is special-purpose cd-rom recorder, and what automatic test used is special-purpose communications adapter.No matter be special-purpose cd-rom recorder or special-purpose communications adapter, all can only realize a kind of communication of single-protocol, and can only an external product.The weak point of this pattern has 2 points: the one, and versatility and compatibility are not strong, burning or tested object change slightly and will change communicator, when for example producing the A type product, need to use cd-rom recorder and communications adapter at the A type product, will be replaced by cd-rom recorder and communications adapter when producing the Type B product at Type B number, this regular replacing not only will plug cd-rom recorder and breakout box repeatedly, change corresponding frock frame, also to carry out the switching on and shutting down operation, not only influence frock producing computer, frame, also had a strong impact on production efficiency the serviceable life of equipment.Two is that a cd-rom recorder or communications adapter once can only be operated a product, can't realize once external a plurality of product, has brought bottleneck for the raising of production efficiency.
Summary of the invention
Technical matters to be solved by this invention provides a kind of communication interconnecting device easy to use of compatible multiple kinds.
For solving the problems of the technologies described above, the present invention realizes by the following technical solutions: a kind of multifunctional communication interconnecting device comprises main control unit and connected uplink communication unit, downgoing communication interface unit.Wherein, main control unit comprises the single-chip microcomputer that stores the multiple kinds program and be used to realize the custom protocol program of multiple kinds conversion and control; Wherein, the realization program of every kind of communications protocol all is encapsulated as a submodule, control by the custom protocol program realizes the conversion of communications protocol, and single-chip microcomputer is by realizing up and host computer and descending and treat the communication of operated products according to the communications protocol of appointment after the configuration of host computer; The uplink communication unit is connected with single-chip microcomputer, adopts the mode of serial communication to finish communication between main control unit and the host computer, and realizes setting and the control of host computer to described communication interconnecting device duty; The downgoing communication interface unit, all be connected with single-chip microcomputer, comprise and be used in I2C communication interface, K-Bus communication interface, non-standard/standard SPI communication interface, LIN communication interface and the CAN communication interface one or more being connected burning and/or test that communication realizes product with treating operated products.
Concrete, described CAN communication interface, LIN communication interface adopt the CAN transceiving chip, and CAN transceiving chip signal Transmitting and Receiving End connects single-chip microcomputer by buffer circuit.
Concrete, described I2C communication interface, non-standard/standard SPI communication interface all directly adopt single-chip microcomputer standard I/O mouth.
Concrete, described K-Bus communication interface adopts single-chip microcomputer serial communication interface RXD-2, TXD-2.
Concrete, described self-defined communications protocol adopts the RS232 communications protocol.
Concrete, described single-chip microcomputer has test and two kinds of mode of operations of burning, and two kinds of mode of operations are changed by upload control.
Compared with prior art, beneficial effect of the present invention is:
(1) communication interconnecting device of the present invention by with being connected of host computer, can test a plurality of products simultaneously or the burning operation, improved production efficiency greatly; A project with certain company is an example, use after the multifunctional communication interconnecting device, the employee has saved the running time of changing product, the burning and the test duration of five products have reduced 30S, calculate according to 30000/Month of output and manufacturing cost 50RMB/Hour, can save 35000RMB every year at least;
(2) eliminate the mutually incompatible inconvenience that brings of special-purpose communication box, saved manufacturing cost; According to general production scale statistics, the time that the EEPROM station is changed cd-rom recorder and test station replacing communication box is about 1Hour/Day, according to calculating about 10 the production line manufacturing costs 5RMB/Hour of a factory, can save 230000RMB every year at least.
Description of drawings
The described communication interconnecting device of Fig. 1 principle is formed schematic block diagram;
The described communication interconnecting device of Fig. 2 application state synoptic diagram;
The described communication interconnecting device of Fig. 3 main control unit protocol conversion principle schematic.
Embodiment
For the ease of it will be appreciated by those skilled in the art that the present invention is explained in further detail below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1, disclosed multi-functional interconnecting device is made up of main control unit, MAX232 communication module, CAN transceiver, mu balanced circuit and power supply five parts.Power supply and mu balanced circuit are used for the power supply of other three parts.The CAN transceiver is used to realize the communication of CAN and LIN agreement Physical layer, and the CAN transceiver adopts the CAN transceiving chip, and it is connected with the communication interconnecting device by two pins of CAN-H and CAN-L.The MAX232 communication module is used to realize host computer and the main control unit serial communication based on custom protocol, and host computer needs be connected with the communication interconnecting device by two pins of RXD and TXD.Main control unit is used to realize the conversion of communications protocol, the product needed of different agreement connects different pins, use the product needed of I2C, non-standard SPI, standard SPI agreement to connect communication interconnecting device standard I O mouth, use the product needed of K-Bus agreement to connect communication interconnecting device RXD-2 and two pins of TXD-2, use the product needed of CAN and LIN agreement to be connected RXD-1 and two pins of TXD-1.
Be illustrated in figure 2 as communication interconnecting device application state synoptic diagram.When the present invention uses, uply be connected with host computer, the host computer user oriented has been opened a cover software interface, and the user is by just finishing all application configuration of multifunctional communication interconnecting device and monitoring in real time its operation.Host computer is realized by the self-defined communications protocol based on the RS232 interface the configuration and the policer operation of multifunctional communication interconnecting device.The communicator that host computer can be configured to have specific function with the multifunctional communication interconnecting device by the self-defined communications protocol based on the RS232 interface is to realize burning or the automatic test to a plurality of product E EPROM.
Described communication interconnecting device is descending treats that with each operated products is connected, up using based on the self-defined communications protocol of RS232 interface after configuration is finished to interconnecting device, and the interconnecting device master routine is just carried out corresponding submodule program as required and is carried out the realization that different agreement is changed.The descending application demand of operated products for the treatment of has two kinds of situations: burning and test.When the multifunctional communication interconnecting device is used for the product burning, the packing data that host computer will write product earlier is good, send to the communication interconnecting device by the custom protocol based on the RS232 interface, interconnecting device writes product with these data by I2C agreement or SPI agreement again.When the multifunctional communication interconnecting device is used for product test, because product is real-time output, the feedback states information of meeting in the process of testing automatically, these information datas will input to the multifunctional communication interconnecting device by I2C, K-Bus, non-standard SPI, standard SPI, CAN and LIN agreement by standard I/O mouth earlier, interconnecting device sends to host computer with these data by the custom protocol based on the RS232 interface again, host computer can obtain the status information of product in real time, and then finishes test; If in test process, host computer need send instruction to product, can send to the communication interconnecting device to command information by the custom protocol based on the RS232 interface earlier, interconnecting device sends to product to instruction by I2C, K-Bus, non-standard SPI, standard SPI, CAN and LIN agreement again.
Be illustrated in figure 3 as communication interconnecting device main control unit protocol conversion principle schematic.Among the present invention, host computer is informed multi-functional interconnecting device with user's demand by the message frame of custom protocol by RXD and TXD interface, has comprised the configuration, communication state of the corresponding relation of product and agreement, every kind of different agreement and the information of up other resource operations to communication interconnecting device main control unit in the message frame.
In main control unit, protocol conversion realizes in two steps, is respectively layoutprocedure and transfer process.
For layoutprocedure, initial phase up (PC) sends the configuration of message frame realization to slave computer (interconnecting device) by serial ports, and the message frame form is as follows:
| Start bit | Address bit | Data bit | Check bit | Stop bit |
Wherein, start bit and stop bit are used for the synchronous of message frame; Address bit is used for certain slave computer of gating (when a up communication mode to a plurality of slave computers); Data bit comprises mode identifier and protocol identifier.Mode identifier comprises a binary code, is used to inform that slave computer should be in the sort of mode of operation (test or burning).Protocol identifier comprises the triad sign indicating number, is used to inform that slave computer should select the sort of communications protocol (I2C, K-Bus, non-standard SPI, standard SPI, CAN or LIN); Check bit adopts the CRC check pattern to guarantee that the transmission of message frame is errorless.Slave computer receives that message frame confirms that errorless back loopback ACK character (binary code) representative shakes hands successfully.Configuration is finished the mode in this communication of back slave computer and is just determined, must ask up it to be reconfigured as if changing.
For transfer process, after configuration was finished, upper and lower computer just can enter the process of protocol conversion.At first, the specific implementation of each agreement sequential all will be packaged into a submodule (being present in the program of interconnecting device), and the pairing submodule of certain agreement of routine call just can carry out communication according to the sequential of this agreement.
Protocol conversion is divided into test pattern and burning pattern.The information data of test pattern be from the product to the interconnecting device again to PC, the information data of burning pattern is again to product from the PC to the interconnecting device.
For test pattern, interconnecting device is according to PC configuration information invocation protocol subfunction, and the information data that the product that receives is sended over deposits in the register according to the agreement sequential and cushions; Then, master routine takes out sequential (the public submodule in the program) according to serial communication to information data again and sends to PC and be used for test from register.
For the burning pattern, interconnecting device receives the data of PC, according to the sequential of serial communication the information data that needs write product is deposited in the register; Then, the interconnecting device subfunction of calling specified protocol according to configuration information is taken out communication sequential according to this agreement to information data and is write product and finish test from register.
In these two processes, data interaction is all two-way.
The preferred version that the foregoing description is realized for the present invention; and indefiniteness is exhaustive, and the present invention can also have other variations under same idea, need to prove; conceive under the prerequisite not breaking away from the present invention, any conspicuous replacement and subtle change are all within protection scope of the present invention.
Claims (7)
1. a multifunctional communication interconnecting device is characterized in that, comprising:
Main control unit comprises the single-chip microcomputer that stores the multiple kinds program and be used to realize the custom protocol program of multiple kinds conversion and control; Wherein, the realization program of every kind of communications protocol all is encapsulated as a submodule, control by the custom protocol program realizes the conversion of communications protocol, and single-chip microcomputer is by realizing up and host computer and descending and treat the communication of operated products according to the communications protocol of appointment after the configuration of host computer;
The uplink communication unit is connected with single-chip microcomputer, adopts the mode of serial communication to finish communication between main control unit and the host computer, realizes setting and the control of host computer to described communication interconnecting device duty;
The downgoing communication interface unit, all be connected with single-chip microcomputer, comprise in I2C communication interface, K-Bus communication interface, non-standard/standard SPI communication interface, LIN communication interface and the CAN communication interface one or more, be used for and a plurality of different operated products for the treatment of connect burning and/or tests that communications realize product.
2. multifunctional communication interconnecting device according to claim 1 is characterized in that: described CAN communication interface, LIN communication interface adopt the CAN transceiving chip, and CAN transceiving chip signal Transmitting and Receiving End connects single-chip microcomputer by buffer circuit.
3. multifunctional communication interconnecting device according to claim 1 is characterized in that: described I2C communication interface, non-standard/standard SPI communication interface all directly adopt single-chip microcomputer standard I/O mouth.
4. multifunctional communication interconnecting device according to claim 1 is characterized in that: described K-Bus communication interface adopts single-chip microcomputer serial communication interface RXD-2, TXD-2.
5. multifunctional communication interconnecting device according to claim 1 is characterized in that: described host computer is a PC.
6. according to any described multifunctional communication interconnecting device among the claim 1-5, it is characterized in that: described self-defined communications protocol is provided with based on the RS232 communication module.
7. multifunctional communication interconnecting device according to claim 6 is characterized in that: described single-chip microcomputer has test and two kinds of mode of operations of burning, and two kinds of mode of operations are changed by PC control.
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| CN2011101529860A CN102279827A (en) | 2011-06-09 | 2011-06-09 | Multifunctional communication transit box |
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Cited By (13)
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| CN103399835A (en) * | 2013-07-31 | 2013-11-20 | 龙迅半导体科技(合肥)有限公司 | Data communication method and system |
| CN103996949A (en) * | 2014-05-14 | 2014-08-20 | 航天科工深圳（集团）有限公司 | Interface bus collecting device |
| CN104615205A (en) * | 2015-02-13 | 2015-05-13 | 成都万创科技有限责任公司 | Industrial tablet personal computer with a multifunctional interface |
| CN105699884A (en) * | 2016-01-13 | 2016-06-22 | 深圳市博巨兴实业发展有限公司 | Multichip packaging test method based on MCU |
| CN106199177A (en) * | 2016-08-26 | 2016-12-07 | 贵州电网有限责任公司电力科学研究院 | General-purpose interface for electric energy meter |
| CN106230665A (en) * | 2016-09-09 | 2016-12-14 | 深圳市艾特智能科技有限公司 | Debugger |
| CN107508785A (en) * | 2016-06-14 | 2017-12-22 | 中国石油天然气股份有限公司 | A kind of protocol conversion apparatus and method |
| CN108132898A (en) * | 2018-01-15 | 2018-06-08 | 东莞博力威电池有限公司 | Multiplex communication control method and communication box |
| WO2018218531A1 (en) * | 2017-05-31 | 2018-12-06 | 深圳市爱夫卡科技股份有限公司 | Eeprom programming system and eeprom programming method |
| CN109889490A (en) * | 2019-01-02 | 2019-06-14 | 肇庆奥迪威传感科技有限公司 | Protocol conversion device, method, apparatus and storage medium |
| CN110221997A (en) * | 2019-05-20 | 2019-09-10 | 湖北三江航天万峰科技发展有限公司 | A kind of USB interface-based versatile interface interconnecting device |
| CN110703741A (en) * | 2019-11-01 | 2020-01-17 | 珠海格力电器股份有限公司 | Multifunctional communication debugging equipment |
| CN112631847A (en) * | 2020-12-28 | 2021-04-09 | 深圳市路畅科技股份有限公司 | Intelligent vehicle machine automatic test system, method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103996949A (en) * | 2014-05-14 | 2014-08-20 | 航天科工深圳（集团）有限公司 | Interface bus collecting device |
| CN104615205A (en) * | 2015-02-13 | 2015-05-13 | 成都万创科技有限责任公司 | Industrial tablet personal computer with a multifunctional interface |
| CN105699884A (en) * | 2016-01-13 | 2016-06-22 | 深圳市博巨兴实业发展有限公司 | Multichip packaging test method based on MCU |
| CN107508785A (en) * | 2016-06-14 | 2017-12-22 | 中国石油天然气股份有限公司 | A kind of protocol conversion apparatus and method |
| CN106199177A (en) * | 2016-08-26 | 2016-12-07 | 贵州电网有限责任公司电力科学研究院 | General-purpose interface for electric energy meter |
| CN106230665A (en) * | 2016-09-09 | 2016-12-14 | 深圳市艾特智能科技有限公司 | Debugger |
| WO2018218531A1 (en) * | 2017-05-31 | 2018-12-06 | 深圳市爱夫卡科技股份有限公司 | Eeprom programming system and eeprom programming method |
| CN108132898A (en) * | 2018-01-15 | 2018-06-08 | 东莞博力威电池有限公司 | Multiplex communication control method and communication box |
| CN109889490A (en) * | 2019-01-02 | 2019-06-14 | 肇庆奥迪威传感科技有限公司 | Protocol conversion device, method, apparatus and storage medium |
| CN109889490B (en) * | 2019-01-02 | 2021-10-22 | 肇庆奥迪威传感科技有限公司 | Protocol conversion device, method, apparatus and storage medium |
| CN110221997A (en) * | 2019-05-20 | 2019-09-10 | 湖北三江航天万峰科技发展有限公司 | A kind of USB interface-based versatile interface interconnecting device |
| CN110703741A (en) * | 2019-11-01 | 2020-01-17 | 珠海格力电器股份有限公司 | Multifunctional communication debugging equipment |
| CN112631847A (en) * | 2020-12-28 | 2021-04-09 | 深圳市路畅科技股份有限公司 | Intelligent vehicle machine automatic test system, method and application thereof |
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