CN1536776A - Blue-tooth intelligent module - Google Patents
Blue-tooth intelligent module Download PDFInfo
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- CN1536776A CN1536776A CNA031121403A CN03112140A CN1536776A CN 1536776 A CN1536776 A CN 1536776A CN A031121403 A CNA031121403 A CN A031121403A CN 03112140 A CN03112140 A CN 03112140A CN 1536776 A CN1536776 A CN 1536776A
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Abstract
The invention refers to a kind of Bluetooth intelligent module, which uses hardware or software or two of them to create, the hardware mainly includes standard interface, device identification module, task identification module, Bluetooth module, the standard interface is the one for connection the Bluetooth module and device, which mainly is RS-232-C, USB, RS485, IEEE1349 and so on, the Bluetooth module includes wireless transmitting and receiving part, Bluetooth baseband control, Bluetooth channel control and management, and application program control; the Bluetooth application program mainly includes device identification, task identification, certification, encryption and deciphering and data protocol conversion modules. The invention can realize initialization, device certification and identification, connection producing, protocol conversion, data transmission and so on automatically, and carry on wireless transmission, it needn't special driver, applies to each kind of standard wire communication interface.
Description
Technical field
The present invention relates to a kind of short-distance wireless communication technology (Bluetooth technology), specifically a kind of blue-tooth intelligence module.
Background technology
We know, Bluetooth technology is 1998, initiate by Big Five's border communication common carrier (Ericsson, Intel, Nokia, IBM, Toshiba), and a kind of short-distance wireless communication technology that day by day rises, Bluetooth technology is intended to a kind of unified standard and agreement, by the wireless connections of accepting extensively, substitute wire communication.Because its opening, flexibility will be widely used in fields such as industry, family, office and public utilities.At present, international and domestic application study to Bluetooth technology mainly concentrates on the bluetooth minimum system as a simple circumscribed communication module, or with Bluetooth chip as the device that is embedded in product,, do not see as short-range wireless communication protocol with bluetooth and have as yet for the research and development that replace the existing communication cable with bluetooth fully.Existing blue tooth circumscribing communication module primary structure mainly is made up of standard interface, bluetooth module and Bluetooth modulation demodulation as shown in Figure 1.Use this blue tooth circumscribing module, necessarily require equipment to possess stronger disposal ability, the CPU of equipment will have the memory space that the bluetooth module driver is installed.So it generally only is applicable to the equipment of PC and so on, and for other can't install driver equipment, just can't use as computer peripheral equipment, instrument and meter and so on device.Study the wireless connections of a kind of " accepting extensively " and touch piece, from truly substituting the wire communication of existing various standards, become very necessary, it will be widely used in various electronic equipments, device and the instrument, more help Bluetooth wireless communication more at large, promote more quickly and develop.
Summary of the invention
Technical problem to be solved by this invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of and can realize initialization, device authentication and identification, task recognition automatically, be connected a series of processes such as foundation, protocol conversion, transfer of data, need not the special wireless transmission blue-tooth intelligence module that drives, it is applicable to the wired communication interface of each class standard.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of blue-tooth intelligence module, its form that adopts hardware or software or hardware to add software is set up, it is characterized in that: hardware mainly comprises standard interface, the recognition of devices module, task recognition module, bluetooth module, standard interface refers to the connector of bluetooth module and equipment, mainly contain RS-232-C, USB, RS485, standard interfaces such as IEEE1349, bluetooth module comprises the wireless transmission part, the bluetooth baseband control section, FLASH memory etc., link to each other with standard interface, carry out the emission of Bluetooth RF, receive, bluetooth baseband control, Bluetooth link control and link management, and application program control etc.; The bluetooth applications program mainly comprises main modular programs such as recognition of devices, task recognition, authentication, encrypting and decrypting and data protocol conversion.
Circumscribed or the moving intelligent link module of embedded free drive that the present invention utilizes hardware circuit or software program to realize.This module is supported plug and play (free drive is moving) work, can be directly and one or more other same categories of device (device) selected in the neighbor device database, set up the blue teeth wireless connection, the realization transfer of data.
The main tasks such as encrypting and decrypting of the identification of main actuating equipment of the present invention and task, protocol conversion, data are carried out the wireless transmission of cable data.The moving intelligent bluetooth module of free drive is set up (hardware or software) by following flow process:
When (1) the blue-tooth intelligence module is access in equipment, start the initialization procedure of module at once, comprise authentication equipment.
(2) the blue-tooth intelligence module automatically starts and the communicating by letter of self institute's attached device, and read its device type and code, and judge its whether effectively (being the bluetooth module equipment of cognition), if valid code, just it is preserved; If not, module starting device identifying (software or hardware), the type of discriminating device and code thereof, and it is preserved.
(3) neighbor device around the search, and towards periphery in the equipment other similar bluetooth modules (device) send inquiry, other modules (device) are responded with the type and the code of own institute attached device, these facility informations that bluetooth module will be received leave in the neighbor device database of oneself, so that search at any time and call.
(4) simultaneously, the same inquiry of other bluetooth modules (device) around this blue-tooth intelligence module may be received, this module is responded with the facility information of being preserved in process (2), so that when needed, accepts the connection foundation request that other bluetooth modules (device) send.
(5) the blue-tooth intelligence module is in the task wait state, waits for the task requests from equipment of itself or other bluetooth modules (device).When determining (request of transfer of data) when arriving from the assignment instructions of equipment of itself, module initiating task identifying (software or hardware), read the initial information of the data that send by equipment interface, and judgment data form and needed execution (reception) device type thus.
(6) the neighbor device database information of retrieval oneself, check and whether preserve the receiving equipment that the transmission with these data is complementary, if have, module just starts the process of setting up of wireless connections automatically, to the request signal that method, apparatus is sent wireless connections, comprise information such as task classification, data format, method, apparatus through judgement, authentication to information, is understood mission requirements, just send the answer of agreeing connection, both sides set up wireless connections, for transfer of data is got ready; If do not understand mission requirements, just can return the information response that refusal connects to method, apparatus, the blue-tooth intelligence module need be retrieved the neighbor device database again.If the equipment that not is not complementary with data in the database, bluetooth module can start the surrounding devices search procedure, and the process of repetitive process (3) is sought matching unit, otherwise continues to wait for.
(7) be from other task requests (connect set up request) if the blue-tooth intelligence module receives to method, apparatus, module is at first judged task classification and data format, if understand mission requirements and support data format, just, agree establishment of connection to the other side's device replied; If do not understand task, just reply refusal information to the other side.
(8) connection is set up, and begins to carry out the protocol conversion and the ciphering process of data.The blue-tooth intelligence module receives the data (wireline interface protocol data) from equipment interface, requirement according to the Bluetooth wireless transmission agreement, data are repacked (protocol conversion), convert the packet of wired communication interface agreement to the blue teeth wireless packet, while cryptographic algorithm by appointment, packet is encrypted, sent to method, apparatus with wireless mode then.
(9) to the bluetooth module of method, apparatus after receiving wireless data packet, anti-cryptographic algorithm by appointment, packet is decrypted, the secondary conversion (wired reduction) that carries on an agreement then, promptly unpack according to bag according to the bluetooth wireless protocol standard logarithmic earlier, again according to the consensus standard of the wired communication interface of this equipment, packet is converted to the cable data bag, send into equipment by interface, equipment requires to carry out corresponding operation according to assignment instructions, as printing, scanning etc., the blue-tooth intelligence module comes back to the task wait state.So far, finish the wireless transmission of wired communication protocol data.
The present invention is the moving blue-tooth intelligence link block of a kind of general free drive, against existing technologies, the bluetooth module that this patent is developed, it utilizes the existing wired communication interface of blue teeth wireless emulation, to realize auto-initiation, device authentication and identification, task recognition, be connected a series of processes such as foundation, protocol conversion, transfer of data, need not special driving, be applicable to the wired communication interface of the above each class standard, can be widely used in various electronic equipments and the instrument and meter, from truly substituting the cable of wire communication.Can directly substitute as RS-232-C, USB, RS485, IEEE1349 etc. has line standard, realizes the wireless transmission of data.Its key is that cable is carried out emulation, existing equipment is not done any change, also need not any driving is installed on equipment, and for the equipment that is connected, the moving blue-tooth intelligence module of free drive is exactly a connecting line.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a theory diagram (containing software or hardware) of the present invention.
Fig. 2 is the flow chart (containing software or hardware) of an embodiment of the present invention.
Embodiment
As can be seen from Figure 1, the moving blue-tooth intelligence module of free drive of the present invention promptly can realize by software, also can realize by hardware.The software scenario principle mainly comprises standard interface, bluetooth applications program and bluetooth module three parts.Standard interface refers to the connector of bluetooth module and equipment, mainly contains standard interfaces such as RS-232-C, USB, RS485, IEEE1349.The bluetooth applications program is the key component of this software scenario, mainly comprises main modular programs such as recognition of devices, task recognition, authentication, encrypting and decrypting and data protocol conversion.Bluetooth module is the crucial integrated component of implementation implementation process, comprise wireless transmission part, bluetooth baseband control section, FLASH memory etc., link to each other with standard interface, carry out emission, reception, bluetooth baseband control, Bluetooth link control and the link management of Bluetooth RF, and application program control etc.
It can also be seen that from Fig. 1 hardware plan theory diagram of the present invention mainly comprises standard interface, recognition of devices module, task recognition module, bluetooth module.Standard interface refers to the connector of bluetooth module and equipment, mainly contains standard interfaces such as RS-232-C, USB, RS485, IEEE1349.Equipment in the bluetooth applications program and task recognition part are realized by the hardware circuit of special use respectively.Bluetooth module is the crucial integrated component of implementation implementation process, comprise wireless transmission part, bluetooth baseband control section, FLASH memory etc., link to each other with standard interface, carry out emission, reception, bluetooth baseband control, Bluetooth link control and the link management of Bluetooth RF, and application program control etc.
Blue-tooth intelligence module of the present invention is set up by following flow process: 1) realize initialization operation automatically, when it was access in the connector of equipment, this module started initialization and verification process automatically, for state setting and preparation are carried out in the foundation of wireless connections; 2) set up wireless connections automatically, when the assignment instructions that determines from equipment of itself,, set up the blue teeth wireless connection, comprise the request of sending, acceptance response and be connected process such as foundation with selected one or more matching units (device) in the neighbor device database; 3) automatic translation data agreement, after connecting foundation, with receive, repack from the data of equipment standard interface (the pre-data that send), standard according to Bluetooth protocol, with its conversion Bluetooth wireless communication packet, with the mode of blue teeth wireless, be sent to the one or more bluetooth modules that have connection with it; 4) behind the packet that receives from other bluetooth modules (device), require it is unpacked according to Bluetooth protocol, convert the interface protocol data that are attached thereto to, and deliver to data receiver by standard interface.
Blue-tooth intelligence module device identifying of the present invention is set up as follows: 1) when being access in the standard connector of equipment, this module communicates with the equipment that is connected automatically, and the starting device identifying reads the type and the code of this equipment and also preserves; If receive inquiry, just it is replied with the facility information of preserving from other bluetooth modules (device); 2) other similar bluetooth modules (device) around the search, and send inquiry, after other bluetooth modules (device) are received inquiry, with the information-reply of own institute attached device; The all devices information of receiving is kept in the neighbor device database; When 3) receiving assignment instructions from equipment of itself, retrieve the neighbor device database automatically, and judge its device type whether with the task coupling, thereby select one or more equipment, set up blue teeth wireless with it and connect.
Blue-tooth intelligence module of the present invention, the task recognition process is set up as follows: 1) in the ordinary course of things, be in the task wait state, when the assignment instructions that receives from equipment of itself, module initiating task identifying, read the initial information that passes the data of coming from equipment interface, judge task classification and data format, determine the receiving equipment that this required by task is wanted; 2) retrieval facility database information checks whether the receiving equipment that is complementary with this task classification and data format is arranged, if having, just starts the process that wireless connections are set up automatically; If do not have, just press the recognition of devices process, other bluetooth modules (device) around the search are sought matching unit, and start connection, otherwise continue to wait for; 3) when the task requests that receives from other bluetooth modules (device), start external task recognition process, judge whether to understand task and with self device type coupling, if coupling, send and connect the response of setting up; If do not match, reply refusal information, continue to wait for.
Blue-tooth intelligence module increase authentication of the present invention and encryption, decrypting process: 1) in the initialization procedure of bluetooth module, equipment of itself and surrounding devices are authenticated, guarantee safety of data transmission; 2) after blue teeth wireless connects foundation, before data send, packet is carried out cryptographic calculation by the cryptographic algorithm of agreement agreement; The blue-tooth intelligence module by wireless receiving to from the packet of external equipment the time, the agreement agreement according to identical is decrypted packet, has higher confidentiality and reliability with the data of guaranteeing to transmit.
Fig. 2 is the flow chart of a kind of embodiment of the present invention, has contained generally the implementing procedure of software scenario and hardware plan.Further specify as follows:
Task type: data wireless is printed
Critical component: free drive moves blue-tooth intelligence module (USB interface)
Main equipment: PC
Slave unit: printer, scanner, projecting apparatus etc.
The task implementation:
With the USB interface of blue-tooth intelligence module access main equipment and slave unit, the automatic startup of module is communicated by letter with institute's attached device.With the main equipment PC is example, and module is discerned the type and the code of this equipment automatically, and it is preserved; Each will carry out identical operations other slave unit modules.Bluetooth module begins to search for automatically surrounding devices then, find three similar bluetooth modules, the PC module is sent inquiry (recognition of devices) to three bluetooth modules that search successively, the other side's bluetooth module is issued the PC bluetooth module with information such as the type of self institute's attached device and codes, all slave unit information that the PC bluetooth module will be collected leave in the neighbor device database of oneself, so that in time call when having task to arrive.Simultaneously, the PC bluetooth module also can be received the same inquiry from the slave unit bluetooth module, and it is also replied oneself device type and code information in slave unit.
All blue-tooth intelligence modules are in the task wait state, receive at any time from self and external tasks request.At this moment, PC has the data demand printout, and it sends to self blue-tooth intelligence module with data by USB interface, and request is carried out.After bluetooth module was received, the initial information of unscrambling data was carried out requirement to task and is judged (task recognition), and checks its data format.After understanding fully task requests, bluetooth module begins to retrieve the neighbor device database information of oneself, seeks the equipment of mission requirements coupling therewith; Through searching, the judgement printer is an equipment needed thereby, and the bluetooth module to printer sends task requests at once.After the printer bluetooth module is received solicited message, at first to authenticate, understand it is what task? is the equipment of oneself supported? through judging, meet task type and matched, send response to the PC bluetooth module, the task of agreeing is carried out, and both sides set up wireless connections.
The PC bluetooth module is repacked packet (protocol conversion) by the bluetooth wireless protocol requirement, is converted to wireless data packet, so that the other side's bluetooth module is understood smoothly; Simultaneously,, packet is encrypted by both sides' engagement arithmetic, be sent to the printer bluetooth module by wireless mode for guaranteeing the reliable transmission of data.After the printer bluetooth module is received packet, at first be decrypted, unpack by wireless protocol standard then, packet is reduced to the wired communication protocol form, send into printer by USB interface, printer is pressed mission requirements and is carried out printing.
So far, the wireless printing task of cable data is finished.
Claims (5)
1. blue-tooth intelligence module, its form that adopts hardware or software or hardware to add software is set up, it is characterized in that: hardware mainly comprises standard interface, the recognition of devices module, task recognition module, bluetooth module, standard interface refers to the connector of bluetooth module and equipment, mainly contain RS-232-C, USB, RS485, standard interfaces such as IEEE1349, bluetooth module comprises the wireless transmission part, the bluetooth baseband control section, FLASH memory etc., link to each other with standard interface, carry out the emission of Bluetooth RF, receive, bluetooth baseband control, Bluetooth link control and link management, and application program control etc.; The bluetooth applications program mainly comprises main modular programs such as recognition of devices, task recognition, authentication, encrypting and decrypting and data protocol conversion.
2. blue-tooth intelligence module according to claim 1, it is characterized in that: set up by following flow process: 1) realize initialization operation automatically, when it was access in the connector of equipment, this module started initialization and verification process automatically, for state setting and preparation are carried out in the foundation of wireless connections; 2) set up wireless connections automatically, when the assignment instructions that determines from equipment of itself,, set up the blue teeth wireless connection, comprise the request of sending, acceptance response and be connected process such as foundation with selected one or more matching units (device) in the neighbor device database; 3) automatic translation data agreement, after connecting foundation, with receive, repack from the data of equipment standard interface (the pre-data that send), standard according to Bluetooth protocol, with its conversion Bluetooth wireless communication packet, with the mode of blue teeth wireless, be sent to the one or more bluetooth modules that have connection with it; 4) behind the packet that receives from other bluetooth modules (device), require it is unpacked according to Bluetooth protocol, convert the interface protocol data that are attached thereto to, and deliver to data receiver by standard interface.
3. blue-tooth intelligence module according to claim 1 and 2, it is characterized in that: the recognition of devices process is set up as follows: 1) when being access in the standard connector of equipment, this module communicates with the equipment that is connected automatically, the starting device identifying reads the type and the code of this equipment and also preserves; If receive inquiry, just it is replied with the facility information of preserving from other bluetooth modules (device); 2) other similar bluetooth modules (device) around the search, and send inquiry, after other bluetooth modules (device) are received inquiry, with the information-reply of own institute attached device; The all devices information of receiving is kept in the neighbor device database; When 3) receiving assignment instructions from equipment of itself, retrieve the neighbor device database automatically, and judge its device type whether with the task coupling, thereby select one or more equipment, set up blue teeth wireless with it and connect.
4. blue-tooth intelligence module according to claim 1 and 2, it is characterized in that: the task recognition process is set up as follows: 1) in the ordinary course of things, be in the task wait state, when the assignment instructions that receives from equipment of itself, module initiating task identifying, read the initial information that passes the data of coming from equipment interface, judge task classification and data format, determine the receiving equipment that this required by task is wanted; 2) retrieval facility database information checks whether the receiving equipment that is complementary with this task classification and data format is arranged, if having, just starts the process that wireless connections are set up automatically; If do not have, just press the recognition of devices process, other bluetooth modules (device) around the search are sought matching unit, and start connection, otherwise continue to wait for; 3) when the task requests that receives from other bluetooth modules (device), start external task recognition process, judge whether to understand task and with self device type coupling, if coupling, send and connect the response of setting up; If do not match, reply refusal information, continue to wait for.
5. blue-tooth intelligence module according to claim 1 is characterized in that increasing authentication and encryption, decrypting process: 1) in the initialization procedure of bluetooth module, equipment of itself and surrounding devices are authenticated, guarantee safety of data transmission; 2) after blue teeth wireless connects foundation, before data send, packet is carried out cryptographic calculation by the cryptographic algorithm of agreement agreement; The blue-tooth intelligence module by wireless receiving to from the packet of external equipment the time, the agreement agreement according to identical is decrypted packet, has higher confidentiality and reliability with the data of guaranteeing to transmit.
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| CNA031121403A CN1536776A (en) | 2003-04-08 | 2003-04-08 | Blue-tooth intelligent module |
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| CNA031121403A CN1536776A (en) | 2003-04-08 | 2003-04-08 | Blue-tooth intelligent module |
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| WO2009003372A1 (en) * | 2007-07-03 | 2009-01-08 | Ivt(Beijing) Software Technology Inc. | A method,device and system for optimizing authentication in wireless communication system |
| CN100464289C (en) * | 2005-03-22 | 2009-02-25 | 联想(北京)有限公司 | Blue tooth data transmission processing apparatus and transmission method thereof |
| US7725613B2 (en) * | 2006-02-27 | 2010-05-25 | Microsoft Corporation | Device installation with host controller consideration |
| CN101924844A (en) * | 2009-06-12 | 2010-12-22 | 佳能株式会社 | Communicator and control method of communication apparatus |
| CN102457308A (en) * | 2011-12-13 | 2012-05-16 | 陈涛 | High-speed near field communication device |
| CN101232310B (en) * | 2007-09-18 | 2013-01-16 | 福建慧翰信息技术有限公司 | Blue tooth module, blue tooth equipment and information processing method thereof |
| CN101884178B (en) * | 2007-10-03 | 2014-05-28 | 三星电子株式会社 | Method and system for communication in near field communication network |
| US10554792B2 (en) | 2016-09-16 | 2020-02-04 | Synq Access + Security Technology Ltd. | Multidirectional serial-ethernet data conversion apparatus |
| CN111669714A (en) * | 2020-05-19 | 2020-09-15 | 刘全武 | Method and device for controlling other terminals based on multiple Bluetooth terminals |
| CN111988065A (en) * | 2020-08-25 | 2020-11-24 | 重庆百瑞互联电子技术有限公司 | Drive-free USB device, method, storage medium and device |
| CN112788578A (en) * | 2020-12-30 | 2021-05-11 | 河南许继仪表有限公司 | Power terminal Bluetooth communication system and control method thereof |
| CN113132473A (en) * | 2021-04-09 | 2021-07-16 | 深圳市木千科技有限公司 | Data processing method and device of Bluetooth equipment and computer equipment |
| US11706034B2 (en) | 2018-03-13 | 2023-07-18 | Fobisuite Technologies Inc. | Point-of-sale system and method |
| WO2023206507A1 (en) * | 2022-04-29 | 2023-11-02 | 时代电服科技有限公司 | Wireless connection control method and apparatus for battery management device, and battery management device |
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| CN100464289C (en) * | 2005-03-22 | 2009-02-25 | 联想(北京)有限公司 | Blue tooth data transmission processing apparatus and transmission method thereof |
| US7725613B2 (en) * | 2006-02-27 | 2010-05-25 | Microsoft Corporation | Device installation with host controller consideration |
| WO2009003372A1 (en) * | 2007-07-03 | 2009-01-08 | Ivt(Beijing) Software Technology Inc. | A method,device and system for optimizing authentication in wireless communication system |
| CN101232310B (en) * | 2007-09-18 | 2013-01-16 | 福建慧翰信息技术有限公司 | Blue tooth module, blue tooth equipment and information processing method thereof |
| US10893401B2 (en) | 2007-10-03 | 2021-01-12 | Samsung Electronics Co., Ltd | Method and system for communication in near field communication network |
| CN101884178B (en) * | 2007-10-03 | 2014-05-28 | 三星电子株式会社 | Method and system for communication in near field communication network |
| CN104243753B (en) * | 2009-06-12 | 2018-07-20 | 佳能株式会社 | The control method of communication device and communication device |
| CN101924844A (en) * | 2009-06-12 | 2010-12-22 | 佳能株式会社 | Communicator and control method of communication apparatus |
| CN104243753A (en) * | 2009-06-12 | 2014-12-24 | 佳能株式会社 | Communication apparatus, control method of the communication apparatus |
| US9154603B2 (en) | 2009-06-12 | 2015-10-06 | Canon Kabushiki Kaisha | Communication apparatus utilizing a plurality of transmission applications based on a communication partner |
| US9836250B2 (en) | 2009-06-12 | 2017-12-05 | Canon Kabushiki Kaisha | Communication apparatus for utilizing a plurality of application based on a communication partner |
| CN101924844B (en) * | 2009-06-12 | 2014-10-08 | 佳能株式会社 | Communication apparatus and control method of communication apparatus |
| CN102457308A (en) * | 2011-12-13 | 2012-05-16 | 陈涛 | High-speed near field communication device |
| US10554792B2 (en) | 2016-09-16 | 2020-02-04 | Synq Access + Security Technology Ltd. | Multidirectional serial-ethernet data conversion apparatus |
| US11706034B2 (en) | 2018-03-13 | 2023-07-18 | Fobisuite Technologies Inc. | Point-of-sale system and method |
| CN111669714A (en) * | 2020-05-19 | 2020-09-15 | 刘全武 | Method and device for controlling other terminals based on multiple Bluetooth terminals |
| CN111988065A (en) * | 2020-08-25 | 2020-11-24 | 重庆百瑞互联电子技术有限公司 | Drive-free USB device, method, storage medium and device |
| CN112788578A (en) * | 2020-12-30 | 2021-05-11 | 河南许继仪表有限公司 | Power terminal Bluetooth communication system and control method thereof |
| CN113132473A (en) * | 2021-04-09 | 2021-07-16 | 深圳市木千科技有限公司 | Data processing method and device of Bluetooth equipment and computer equipment |
| WO2023206507A1 (en) * | 2022-04-29 | 2023-11-02 | 时代电服科技有限公司 | Wireless connection control method and apparatus for battery management device, and battery management device |
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