CN101834638A - Bluetooth communication system capable of identifying target bluetooth function device - Google Patents
Bluetooth communication system capable of identifying target bluetooth function device Download PDFInfo
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- CN101834638A CN101834638A CN201010185961A CN201010185961A CN101834638A CN 101834638 A CN101834638 A CN 101834638A CN 201010185961 A CN201010185961 A CN 201010185961A CN 201010185961 A CN201010185961 A CN 201010185961A CN 101834638 A CN101834638 A CN 101834638A
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Abstract
The invention discloses a bluetooth communication system capable of identifying a target bluetooth function device, which relates to a bluetooth communication system and solves the problem that: the existing host computer provided with a bluetooth module cannot identify a plurality of target bluetooth function devices. The bluetooth communication system consists of a host computer bluetooth module and N bluetooth communication processing boards, wherein each bluetooth communication processing board comprises a lower computer bluetooth module and an FPGA; the FPGA comprises a bluetooth receiving decoding module, a device interface module and a bluetooth sending coding module; the host computer bluetooth module is wirelessly connected with N lower computer bluetooth modules; bluetooth data output ends and input ends of the lower computer bluetooth modules are connected with a bluetooth data input end and a bluetooth data output end of the FPGA respectively; a device data output end and a device data input end of the FPGA are connected with a device data input end and a device data output end of the target bluetooth function device respectively; and a device code of the target bluetooth function device is stored in a device code register of the FPGA. The bluetooth communication system realizes normal data transmissions among a plurality of bluetooth devices, and is used for bluetooth communication tests.
Description
Technical field
The present invention relates to a kind of Bluetooth communication system.
Background technology
Along with development of wireless communication devices, advantages such as bluetooth is with low cost with it, networking flexibility become the focus of research.Adopt Bluetooth technology can replace short-range cable, realize short-distance wireless communication.This effective, cheap wireless connect technology can couple together computer and peripheral hardware easily, makes various device realize the information wireless transmission in its accessible scope.
Bluetooth is as the more and more wider Wireless Telecom Equipment of a kind of application, and its application at aspects such as tests is also important gradually.Existing bluetooth equipment can only carry out man-to-man communication, bluetooth module is merely able to discern the facility information of self, can't discern the information of a plurality of target bluetooth modules place equipment, if when this has caused existing in the system a plurality of bluetooth equipment, can't carry out normal transfer of data between two bluetooth equipments.
Summary of the invention
The objective of the invention is to discern the problem of a plurality of target bluetooth function devices, the Bluetooth communication system of energy recognition objective bluetooth function device is provided for the host computer that solves existing band bluetooth module.
The present invention is achieved by following proposal: the Bluetooth communication system of energy recognition objective bluetooth function device, it is made up of host computer bluetooth module and N Bluetooth communication disposable plates, each described Bluetooth communication disposable plates comprises slave computer bluetooth module and FPGA, described FPGA comprises that bluetooth receives decoder module, device interface module and bluetooth and sends coding module
The data input pin of host computer bluetooth module and data output end link to each other with the data output end and the data input pin of host computer respectively, the host computer bluetooth module is formed wireless network with N slave computer bluetooth module respectively, the blue-teeth data output of the slave computer bluetooth module on each Bluetooth communication disposable plates links to each other with the blue-teeth data input that bluetooth receives decoder module, the decoded data output that bluetooth receives decoder module links to each other with the decoded data input of device interface module, the device data output of device interface module and device data input link to each other with the device data input and the device data output of target bluetooth function device respectively, the equipment interface data output end of device interface module links to each other with the equipment interface data input pin that bluetooth sends coding module, the coded data output that bluetooth sends coding module links to each other with the coded data input of slave computer bluetooth module
The device code of described target bluetooth function device is stored in the device code register of FPGA,
N Bluetooth communication disposable plates constitutes N slave computer with N target bluetooth function device respectively, and wherein, N is greater than 1 and less than 256 integer.
The process of host computer recognition objective bluetooth function device is:
The host computer bluetooth module is formed wireless network with N slave computer bluetooth module respectively, host computer sends the symbol lookup instruction by the host computer bluetooth module, after each slave computer bluetooth module receives the symbol lookup instruction, the bluetooth reception decoder module that is on the same Bluetooth communication disposable plates is decoded to described symbol lookup instruction, and return the device code information of the target bluetooth function device of storing in the device code register of described FPGA, after described device code information via bluetooth sends the coding module coding, send the symbol lookup return instruction by the slave computer bluetooth module, host computer receives the symbol lookup return instruction by the host computer bluetooth module;
M the target bluetooth function device that host computer selective system from N the symbol lookup return instruction that receives needs set up M connection handle respectively, and wherein, M is greater than 1 and less than 8 integer.
The structure of the symbol lookup instruction described in the present invention is made up of blue-teeth data packet header, read/write state information and register code, and wherein, described read/write state information is a read states; Described register code is meant the code of the device code register of FPGA.
The structure of the symbol lookup return instruction described in the present invention is made up of blue-teeth data packet header, read/write state information, register code and device code information, and wherein, the read/write state information is defined as read states; Described register code is meant the code of the device code register of FPGA; Described device code information is meant the code information of target bluetooth function device, is preset as 1 to N, represents different target bluetooth function devices respectively.
The Bluetooth communication system structural design of the energy recognition objective bluetooth function device described in the present invention is simple, can finish host computer to identification normally between a plurality of target bluetooth function devices, satisfies reliable communicating requirement between distinct device.
Description of drawings
Fig. 1 is the structural representation of the Bluetooth communication system of the energy recognition objective bluetooth function device described in the embodiment one; Fig. 2 is the structural representation of embodiment six; Fig. 3 is the structural representation of embodiment seven.
Embodiment
Embodiment one: specify present embodiment below in conjunction with Fig. 1.The Bluetooth communication system of energy recognition objective bluetooth function device, it is made up of host computer bluetooth module 1 and N Bluetooth communication disposable plates 2, each described Bluetooth communication disposable plates 2 comprises slave computer bluetooth module 2-1 and FPGA2-2, described FPGA2-2 comprises that bluetooth receives decoder module 2-2-1, device interface module 2-2-3 and bluetooth sends coding module 2-2-5
The data input pin of host computer bluetooth module 1 and data output end link to each other with the data output end and the data input pin of host computer respectively, host computer bluetooth module 1 is formed wireless network with N slave computer bluetooth module 2-1 respectively, the blue-teeth data output of slave computer bluetooth module 2-1 on each Bluetooth communication disposable plates 2 links to each other with the blue-teeth data input that bluetooth receives decoder module 2-2-1, the decoded data output that bluetooth receives decoder module 2-2-1 links to each other with the decoded data input of device interface module 2-2-3, the device data output of device interface module 2-2-3 and device data input link to each other with the device data input and the device data output of target bluetooth function device respectively, the equipment interface data output end of device interface module 2-2-3 links to each other with the equipment interface data input pin that bluetooth sends coding module 2-2-5, the coded data output that bluetooth sends coding module 2-2-5 links to each other with the coded data input of slave computer bluetooth module 2-1
The device code of described target bluetooth function device is stored in the device code register of FPGA2-2,
N Bluetooth communication disposable plates 2 constitutes N slave computer with N target bluetooth function device respectively, and wherein, N is greater than 1 and less than 256 integer.
In the code information of prior art, adopt the handle of slave computer bluetooth module 2-1 to indicate this bluetooth module, can not distinguish different target bluetooth function devices at this point, can't effectively transmit data.Adopt the data message of target bluetooth function device to distinguish different target bluetooth function devices in the present embodiment.
The process of host computer recognition objective bluetooth function device is:
Host computer bluetooth module 1 is formed wireless network with N slave computer bluetooth module 2-1 respectively, host computer sends the symbol lookup instruction by host computer bluetooth module 1, after each slave computer bluetooth module 2-1 receives the symbol lookup instruction, the bluetooth reception decoder module 2-2-1 that is on the same Bluetooth communication disposable plates 2 decodes to described symbol lookup instruction, and return the device code information of the target bluetooth function device of storing in the device code register of described FPGA2-2, after described device code information via bluetooth sends coding module 2-2-5 coding, send the symbol lookup return instruction by slave computer bluetooth module 2-1, host computer receives the symbol lookup return instruction by host computer bluetooth module 1;
M the target bluetooth function device that host computer selective system from N the symbol lookup return instruction that receives needs set up M connection handle respectively, and wherein, M is greater than 1 and less than 8 integer.
The structure of the symbol lookup instruction described in the present embodiment is made up of blue-teeth data packet header, read/write state information and register code, and wherein, described read/write state information is a read states; Described register code is meant the code of the device code register of FPGA2-2.
The structure of the symbol lookup return instruction described in the present embodiment is made up of blue-teeth data packet header, read/write state information, register code and device code information, and wherein, the read/write state information is defined as read states; Described register code is meant the code of the device code register of FPGA2-2; Described device code information is meant the code information of target bluetooth function device, is preset as 1 to N, represents different target bluetooth function devices respectively.
The Bluetooth communication system structural design of the described energy of present embodiment recognition objective bluetooth function device is simple, can finish host computer to identification normally between a plurality of target bluetooth function devices, satisfies reliable communicating requirement between distinct device.
Embodiment two: the difference of the Bluetooth communication system of present embodiment and embodiment one described energy recognition objective bluetooth function device is that described host computer bluetooth module 1 adopts the CSRB001 module of the band USB interface of CSR company production to realize.
Embodiment three: the difference of the Bluetooth communication system of present embodiment and embodiment one described energy recognition objective bluetooth function device is that hundred meters bluetooth modules of BTM0304C1H that described slave computer bluetooth module 2-1 adopts golden goblet-national territory company to produce are realized.
Embodiment four: the difference of the Bluetooth communication system of present embodiment and embodiment one described energy recognition objective bluetooth function device is that described FPGA2-2 selects for use Cyclone series EP1C6T144I7 to realize.
Adopt programmable logic device FPGA2-2 to realize coding budget and the decoding computing of slave computer in the present embodiment, have stable specific of fast operation, system the bluetooth data packets that receives.
Embodiment five: the difference of the Bluetooth communication system of present embodiment and embodiment one described energy recognition objective bluetooth function device is that described target bluetooth function device is A/D modular converter, RS422 communication module, 1553B monitoring modular, state monitoring module or switch control module.
Each target bluetooth function device can work alone in the present embodiment, system buildup is flexible, host computer plays the coordination control action to each target bluetooth function device, host computer can be according to the needs of finishing the work, the target bluetooth function device that select to need, and the state outcome of feeding back after can receiving function function device fill order.
Embodiment six: specify present embodiment below in conjunction with Fig. 2.The difference of the Bluetooth communication system of present embodiment and embodiment one described energy recognition objective bluetooth function device is, described FPGA2-2 also comprises the first information processing module 2-2-2 and the second message processing module 2-2-4, the decoded data output that bluetooth receives decoder module 2-2-1 links to each other with the decoded data input of first information processing module 2-2-2, the first information deal with data output of first information processing module 2-2-2 links to each other with the first information deal with data input of device interface module 2-2-3, the equipment interface data output end of device interface module 2-2-3 links to each other with the equipment interface data output end input of the second message processing module 2-2-4, and the second information processing data output of the second message processing module 2-2-4 links to each other with the second information processing data input that bluetooth sends coding module 2-2-5.
Carry out two-way short-distance wireless transfer of data between host computer bluetooth module 1 and the slave computer bluetooth module 2-1.
Host computer to the process that the target bluetooth function device sends data is:
Host computer bluetooth module 1 is formed wireless network with N slave computer bluetooth module 2-1 respectively, host computer sends bluetooth data packets by host computer bluetooth module 1, after each slave computer bluetooth module 2-1 receives bluetooth data packets, being in bluetooth on the same Bluetooth communication disposable plates 2 receives decoder module 2-2-1 and described bluetooth data packets is decoded obtains active data information, first information processing module 2-2-2 carries out processing data information with decoded valid data information, and the data after will handling send to the target bluetooth function device by device interface module 2-2-3;
The target bluetooth function device to the process that host computer sends data is:
The device data of target bluetooth function device output receives by device interface module 2-2-3, the second message processing module 2-2-4 carries out information processing to described device data, the device code information of the target bluetooth function device of storing in the device code register of device data after the processing and FPGA2-2, after in bluetooth transmission coding module 2-2-5, encoding, return bluetooth data packets by slave computer bluetooth module 2-1 transmission, host computer receives by host computer bluetooth module 1 and returns bluetooth data packets.
The structure of the transmission packet described in the present embodiment is made up of blue-teeth data packet header, read/write state information, register code and communication data, and wherein, described read/write state information is a read states; Described register code is meant the code of the device code register of FPGA2-2; Described communication data is meant that host computer sends to the effective information of target bluetooth function device.
The structure of returning bluetooth data packets described in the present embodiment is by blue-teeth data packet header, read/write state information, register code, device code information and return communication data and form, and wherein, the read/write state information is defined as read states; Described register code is meant the code of the device code register of FPGA2-2; Described device code information is meant the code information of target bluetooth function device, is preset as 1 to N, represents different target bluetooth function devices respectively; The described communication data that returns is meant that the target bluetooth function device sends to the effective information of host computer.
Embodiment seven: specify present embodiment below in conjunction with Fig. 3.The difference of the Bluetooth communication system of present embodiment and embodiment six described energy recognition objective bluetooth function devices is, it also comprises SRAM memory 2-3, and the data input/output terminal of SRAM memory 2-3 links to each other with the data input/output terminal of FPGA2-2.
When the target bluetooth function device is the A/D modular converter, because acquisition rate can reach tens Mbytes each second, acquisition speed is fast, for realizing the real time communication of 2 of host computer bluetooth module 1 and Bluetooth communication disposable plates, also comprise SRAM memory 2-3 in the present embodiment, carry out data cached.
Claims (7)
1. can recognition objective the Bluetooth communication system of bluetooth function device, it is characterized in that: it is made up of host computer bluetooth module (1) and N Bluetooth communication disposable plates (2), each described Bluetooth communication disposable plates (2) comprises slave computer bluetooth module (2-1) and FPGA(2-2), described FPGA(2-2) comprises that bluetooth receives decoder module (2-2-1), device interface module (2-2-3) and bluetooth and sends coding module (2-2-5)
The data input pin of host computer bluetooth module (1) and data output end link to each other with the data output end and the data input pin of host computer respectively, host computer bluetooth module (1) is formed wireless network with N slave computer bluetooth module (2-1) respectively, the blue-teeth data output of the slave computer bluetooth module (2-1) on each Bluetooth communication disposable plates (2) links to each other with the blue-teeth data input that bluetooth receives decoder module (2-2-1), the decoded data output that bluetooth receives decoder module (2-2-1) links to each other with the decoded data input of device interface module (2-2-3), the device data output of device interface module (2-2-3) and device data input link to each other with the device data input and the device data output of target bluetooth function device respectively, the equipment interface data output end of device interface module (2-2-3) links to each other with the equipment interface data input pin that bluetooth sends coding module (2-2-5), the coded data output that bluetooth sends coding module (2-2-5) links to each other with the coded data input of slave computer bluetooth module (2-1)
The device code information stores of described target bluetooth function device is at FPGA(2-2) the device code register in,
N Bluetooth communication disposable plates (2) constitutes N slave computer with N target bluetooth function device respectively, and wherein, N is greater than 1 and less than 256 integer.
2. the Bluetooth communication system of energy recognition objective bluetooth function device according to claim 1 is characterized in that: described host computer bluetooth module (1) adopts the CSRB001 module of the band USB interface of CSR company production to realize.
3. the Bluetooth communication system of energy recognition objective bluetooth function device according to claim 1 is characterized in that: hundred meters bluetooth modules of BTM0304C1H that described slave computer bluetooth module (2-1) adopts golden goblet-national territory company to produce are realized.
4. the Bluetooth communication system of energy recognition objective bluetooth function device according to claim 1 is characterized in that: described FPGA(2-2) select for use Cyclone series EP1C6T144I7 to realize.
5. the Bluetooth communication system of energy recognition objective bluetooth function device according to claim 1, it is characterized in that: described target bluetooth function device is A/D modular converter, RS422 communication module, 1553B monitoring modular, state monitoring module or switch control module.
6. the Bluetooth communication system of energy recognition objective bluetooth function device according to claim 1, it is characterized in that: described FPGA(2-2) also comprise first information processing module (2-2-2) and second message processing module (2-2-4), the decoded data output that bluetooth receives decoder module (2-2-1) links to each other with the decoded data input of first information processing module (2-2-2), the first information deal with data output of first information processing module (2-2-2) links to each other with the first information deal with data input of device interface module (2-2-3), the equipment interface data output end of device interface module (2-2-3) links to each other with the equipment interface data output end input of second message processing module (2-2-4), and the second information processing data output of second message processing module (2-2-4) links to each other with the second information processing data input that bluetooth sends coding module (2-2-5).
7. the Bluetooth communication system of energy recognition objective bluetooth function device according to claim 6, it is characterized in that: it also comprises SRAM memory (2-3), the data input/output terminal and FPGA(2-2 of SRAM memory (2-3)) the data input/output terminal link to each other.
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| CN103345834A (en) * | 2013-07-11 | 2013-10-09 | 徐友华 | Wireless encoding docking method between central control host and wireless device |
| CN105517676A (en) * | 2015-07-31 | 2016-04-20 | 深圳市元征科技股份有限公司 | Whole-machine testing method and device of smart bracelets, and mobile terminal |
| CN105680960A (en) * | 2015-12-29 | 2016-06-15 | 深圳市金溢科技股份有限公司 | Automatic test method for Bluetooth card reader, test upper computer and test system |
| CN110738567A (en) * | 2019-09-25 | 2020-01-31 | 支付宝(杭州)信息技术有限公司 | Transaction processing method and device of safe intelligent contract processor based on FPGA |
| CN111879320A (en) * | 2020-07-30 | 2020-11-03 | 湖南智航联测科技有限公司 | Teaching-oriented composite inertial system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103345834A (en) * | 2013-07-11 | 2013-10-09 | 徐友华 | Wireless encoding docking method between central control host and wireless device |
| CN105517676A (en) * | 2015-07-31 | 2016-04-20 | 深圳市元征科技股份有限公司 | Whole-machine testing method and device of smart bracelets, and mobile terminal |
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| CN110738567A (en) * | 2019-09-25 | 2020-01-31 | 支付宝(杭州)信息技术有限公司 | Transaction processing method and device of safe intelligent contract processor based on FPGA |
| CN110738567B (en) * | 2019-09-25 | 2021-02-09 | 支付宝(杭州)信息技术有限公司 | Transaction processing method and device of safe intelligent contract processor based on FPGA |
| CN111879320A (en) * | 2020-07-30 | 2020-11-03 | 湖南智航联测科技有限公司 | Teaching-oriented composite inertial system |
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Application publication date: 20100915 |