CN101739797B - Multi-media control system and bluetooth controller - Google Patents
Multi-media control system and bluetooth controller Download PDFInfo
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- CN101739797B CN101739797B CN 200910189598 CN200910189598A CN101739797B CN 101739797 B CN101739797 B CN 101739797B CN 200910189598 CN200910189598 CN 200910189598 CN 200910189598 A CN200910189598 A CN 200910189598A CN 101739797 B CN101739797 B CN 101739797B
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Abstract
Being applicable to the technical field of bluetooth control, the invention provides a multi-media control system and a bluetooth controller; wherein the multi-media control system comprises a bluetooth controller and a hand intelligent device, the bluetooth controller comprises a keyboard; a multi-medium controller is used for transmitting multi-medium control commands to the hand intelligent device when the buttons on the keyboard are triggered; the hand intelligent device is used for analyzing the multi-medium control commands and executing multi-medium operations corresponding to the multi-medium commands according to the analysis results. With the technical scheme of the invention adopted, the users can remotely control the hand intelligent device fixed on the foundation by the bluetooth controller; in addition, the bluetooth controller features good universality, can serve as the multi-functional controller for a specific hand intelligent device and coordinate with terminals with bluetooth functions to serve as a common bluetooth headset.
Description
Technical field
The invention belongs to the Bluetooth control technical field, relate in particular to a kind of multi-media control system and bluetooth controller.
Background technology
Current, the hand-held intelligent equipment take mobile phone as representative is widely used, and the processing speed and the multimedia application function that are applied to the intelligent chip in hand-held intelligent equipment are very powerful, and many multimedia application based on hand-held intelligent equipment are arisen at the historic moment.
An important branch in above-mentioned multimedia application is as multimedia processing terminal, to the multimedia peripheral output audio-video signal take audio amplifier and televisor as representative with hand-held intelligent equipment.As: by the video in television-viewing hand-held intelligent equipment; Play music in hand-held intelligent equipment by audio amplifier; Play the game on hand-held intelligent equipment on TV; Do not need the broadband monthly payment, only make televisor enjoy a trip to the internet by connecting hand-held intelligent equipment.
Above-mentioned multimedia application can break through the limitation that hand-held intelligent equipment is subject to because volume is little in the multimedia audio-visual application facet, can give full play to the data-handling capacity of hand-held intelligent equipment, greatly expanded its application prospect aspect multimedia, making hand-held intelligent equipment is no longer individual's multimedia application center, becomes and possessed the possibility that family multi-media is used the center.But, make the multimedia messages of hand-held intelligent equipment output that excellent performance can be arranged on multimedia peripheral, must be take sizable message transmission rate as support, the transmission speed of current hand-held intelligent equipment wireless interface is difficult to meet the demands, in addition, its power consumption has also proposed huge challenge to the flying power of hand-held smart machine battery.So at present the most general way in the industry, be for one of hand-held intelligent equipment design fixing " base ", by connecting wired slot the transmission of data.
Although this mode by the wired connection the transmission of data has solved the problem of Transmitting of Multi-media Information speed and power consumption, but make hand-held intelligent equipment be fixed in " base " upper and lost the easy to operate advantage of carrying, some voice application and need multimedia operation control application scenarios (such as answer the call and when carrying out upper net operation) particularly inconvenience seems.
Summary of the invention
The object of the present invention is to provide a kind of multi-media control system and bluetooth controller, be intended to solve and by key board, hand-held smart machine carried out the problem of multimedia operation control.
The present invention is achieved in that a kind of multi-media control system, and described multi-media control system comprises bluetooth controller and hand-held intelligent equipment, wherein,
Described bluetooth controller comprises key board, press key message generation module and Bluetooth control module, described press key message generation module is used for generating when button on described key board is triggered press key message, the press key message that generates is transferred to described Bluetooth control module, described Bluetooth control module is used for generating described multimedia control order according to described press key message, and is used for described multimedia control order is sent to described hand-held intelligent equipment;
Described hand-held intelligent equipment comprises bluetooth module and MCU, described bluetooth module is used for receiving described multimedia control order, described multimedia control command transfer is arrived described MCU, described MCU is used for described multimedia control order is resolved, and carries out multimedia operations corresponding to described multimedia order according to analysis result;
Described bluetooth controller comprises microphone and the loudspeaker that is connected with Bluetooth control module, and described microphone and loudspeaker are used for realizing the phonetic function of bluetooth earphone, and described Bluetooth control module possesses the function of bluetooth earphone chip;
Described key board comprises that the confession user carries out the button of multimedia control and the button that the blue tooth voice function is controlled to hand-held smart machine.
More specifically, described multimedia controller is used for by its blue tooth interface, described multimedia control order being sent to described hand-held intelligent equipment.
More specifically, described multimedia control order is the AT order.
the present invention also provides a kind of bluetooth controller, described bluetooth controller comprises key board, press key message generation module and Bluetooth control module, described key board comprises that the confession user carries out the button of multimedia control to hand-held smart machine, described press key message generation module is used for generating press key message when described button is triggered, the press key message that generates is transferred to described Bluetooth control module, described Bluetooth control module is used for generating described multimedia control order according to described press key message, and be used for described multimedia control order is sent to described hand-held intelligent equipment, described key board also comprises the button that the blue tooth voice function is controlled, described press key message generation module is used for generating press key message when described button is triggered, the press key message that generates is transferred to described Bluetooth control module, described Bluetooth control module also is used for generating the blue tooth voice control command according to described press key message, and is used for described blue tooth voice control command is sent to described hand-held intelligent equipment,
Described bluetooth controller also comprises microphone, and described microphone is used for for the user input voice signal, and described Bluetooth control module is used for described voice signal is transferred to described hand-held intelligent equipment by bluetooth approach;
Described bluetooth controller also comprises loudspeaker, and described Bluetooth control module is used for receiving the voice signal of described hand-held intelligent device transmission, and described loudspeaker is used for playing described voice signal.
More specifically, described multimedia control order comprises and controls the control command that described hand-held intelligent equipment carries out web page browsing or carries out media play.
The present invention overcomes the deficiencies in the prior art, provide one with the bluetooth controller of key board, when the button on this bluetooth controller keyboard is triggered, send the multimedia control order to hand-held smart machine by its blue tooth interface, the bluetooth module of hand-held intelligent equipment arrives its MCU with the multimedia control command transfer, the MCU of hand-held intelligent equipment carries out operation corresponding to multimedia control order by the parsing to the multimedia control order.Technical scheme provided by the invention makes the user to realize Long-distance Control to the hand-held intelligent equipment that is fixed in base by bluetooth controller, makes up the deficiency that is fixed in the mobile application facet that wired slot brings when hand-held intelligent equipment is connected with multimedia peripheral; Key board by bluetooth controller is realized the multimedia operation control to hand-held smart machine, can also design multiple special multimedia function shortcut, realize the functions such as game paddle, multimedia remote controller, make the multimedia application of hand-held intelligent equipment more convenient; And bluetooth controller highly versatile provided by the invention not only can be used as multifunctional controller on specific hand-held smart machine, also can coordinate with other terminal with Bluetooth function, uses as common bluetooth earphone.
Description of drawings
Fig. 1 is the system chart of the multi-media control system of the embodiment of the present invention;
Fig. 2 is embodiment of the present invention process flow diagram.
Embodiment
Technical scheme provided by the invention is: provide one with the bluetooth controller of key board, when the button on this bluetooth controller keyboard is triggered, send the multimedia control order to hand-held smart machine by its blue tooth interface, the bluetooth module of hand-held intelligent equipment arrives its MCU with the multimedia control command transfer, the MCU of hand-held intelligent equipment carries out operation corresponding to multimedia control order by the parsing to the multimedia control order.
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The system chart of the multi-media control system of the embodiment of the present invention comprises bluetooth controller 101 and hand-held intelligent equipment 102 as shown in Figure 1.Wherein:
Bluetooth controller 101 comprises Bluetooth control module, the microphone that is connected with Bluetooth control module and loudspeaker, and key board and the press key message generation module that is connected with key board.Key board is connected by GPIO (universal input/output interface) mouthful with the press key message generation module, the press key message generation module scans each GPIO mouth with fixed frequency, when key board is triggered, the press key message generation module generates press key message according to the button that is triggered, and the press key message that generates is sent to Bluetooth control module by serial ports.Bluetooth control module is resolved the press key message packet, generates corresponding control command according to analysis result, and then the bluetooth air interface by bluetooth controller is transferred to hand-held intelligent equipment 102 with the control command that generates.
The press key message that the press key message generation module generates is packet, and the form of packet is as follows:
| Head | Key | State | CRC | Tail |
Wherein Head and Tail are respectively packet header and bag tail, and CRC is check bit, the corresponding key value of Key, and State indicates this key-press status.
During concrete application technical scheme provided by the invention, the button on key board comprises two classes: a class is the standard key (corresponding blue tooth voice control command of the present invention) of existing bluetooth earphone; Another kind of is hand-held smart machine 102 to be carried out the button (corresponding multimedia control order of the present invention) of multimedia control, carries out the button of web page browsing or media play as controlling hand-held intelligent equipment 102.When the button on key board was triggered, the press key message generation module generated the press key message packet, and Bluetooth control module is resolved the press key message packet, generated corresponding control command according to analysis result, can be AT order (AT COMMANDS);
If the standard key of bluetooth earphone is triggered, the blue tooth voice control command that generates is as shown in the table:
| AT command | Functional description |
| AT+CKPD＝200 | Notice hand-held intelligent equipment, button is pressed |
| AT+VGM＝<gain> | Notice hand-held intelligent equipment changes to particular value with microphone volume |
| AT+VGS＝<gain> | Notice hand-held intelligent equipment changes to particular value with speaker volume |
If the button that on key board, hand-held smart machine 102 is operated is triggered, the multimedia control order that generates can be self-defining AT order, and is as follows:
AT+KEY＝state，value
Wherein, state is mode bit, and DOWN and UP two states are arranged;
The corresponding button of DOWN is pressed and button is in down state;
The corresponding button of UP is upspring;
Value is key value, the corresponding key assignments string representation of each button, and to the character keys of standard, output character itself, the button of concrete function can represent with the abbreviation of function title, can be defined as " IE " as the web browser shortcut.
Microphone in bluetooth controller 101 and loudspeaker are used for realizing the phonetic function of bluetooth earphone, when Bluetooth control module possesses the function of bluetooth earphone chip, can realize the phonetic function of bluetooth earphone by microphone and loudspeaker, microphone is used for for the user input voice signal, Bluetooth control module is used for voice signal is transferred to described hand-held intelligent equipment by bluetooth approach, Bluetooth control module can also receive the voice signal of hand-held intelligent device transmission, plays the voice signal that receives by loudspeaker.Specific implementation belongs to this area proven technique, and this does not give unnecessary details.
Handheld mobile device 102 comprises bluetooth module and MCU, the Bluetooth control module of bluetooth controller 101 is transferred to control command by bluetooth air interface the bluetooth module of hand-held intelligent equipment 102, the bluetooth module of hand-held intelligent equipment 102 with the blue tooth voice control command according to existing flow processing, the multimedia control command transfer is arrived MCU, MCU to multimedia control order resolve, control hand-held intelligent equipment 102 according to analysis result and carry out corresponding operation.
Below illustrate the multi-media control system operational scheme of the embodiment of the present invention, suppose to be provided with on the key board of bluetooth controller 101 button of network browsing, this keytop sign " IE ", when the user need to control 102 online of hand-held intelligent equipment by bluetooth controller 101 (suppose hand-held intelligent equipment 102 at this moment " fix " and in the slot of televisor wired connection in, the webpage of hand-held intelligent equipment 102 links need to show by television display screen), specifically comprise following step:
1, the user triggers " IE " button on bluetooth controller 101 key boards;
2, the press key message generation module of bluetooth controller 101 generates the press key message packet that includes key value corresponding to " IE " button;
3, the press key message generation module arrives bluetooth controller 101 Bluetooth control module with the press key message data packet transmission that generates;
4, Bluetooth control module according to press key message analysis of the data packet result is generated the multimedia control order, is transferred to hand-held intelligent equipment 102 with the multimedia control order that generates by bluetooth air interface;
5, the bluetooth module of hand-held intelligent equipment 102 arrives MCU with the multimedia control command transfer that receives;
6, MCU to multimedia control order resolve, control hand-held intelligent equipment 102 browsing pages according to analysis result.
During concrete application technical scheme provided by the invention, can increase key board of configuration and press key message generation module (common singlechip chip) on the basis of existing bluetooth earphone, realize generating according to press key message the process of multimedia control order by software, hand-held intelligent equipment also can be realized by software the parsing of multimedia control order, with low cost, realize simple.Before using, the user only need the accurate bluetooth earphone of image scale equally with bluetooth controller and hand-held intelligent device pairing, and bluetooth controller highly versatile provided by the invention, not only can be used as multifunctional controller on specific hand-held smart machine, also can coordinate with other terminal with Bluetooth function, use as common bluetooth earphone.
The above is only preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (2)
1. multi-media control system, it is characterized in that, described multi-media control system comprises bluetooth controller and hand-held intelligent equipment, described bluetooth controller is to increase key board of configuration and press key message generation module on the basis of existing bluetooth earphone, realizes generating according to press key message the process of multimedia control order by software, described bluetooth controller comprises key board, press key message generation module and Bluetooth control module, described press key message generation module is used for generating when button on described key board is triggered press key message, the press key message that generates is transferred to described Bluetooth control module, described Bluetooth control module is used for generating described multimedia control order according to described press key message, and be used for described multimedia control order is sent to described hand-held intelligent equipment, described hand-held intelligent equipment comprises bluetooth module and MCU, described bluetooth module is used for receiving described multimedia control order, described multimedia control command transfer is arrived described MCU, described MCU is used for described multimedia control order is resolved, carry out multimedia operations corresponding to described multimedia order according to analysis result,
Described bluetooth controller comprises microphone and the loudspeaker that is connected with Bluetooth control module, and described microphone and loudspeaker are used for realizing the phonetic function of bluetooth earphone, and described Bluetooth control module possesses the function of bluetooth earphone chip;
Described key board comprises that the confession user carries out the button of multimedia control and the button that the blue tooth voice function is controlled to hand-held smart machine;
Described multimedia controller is used for by its blue tooth interface, described multimedia control order being sent to described hand-held intelligent equipment;
Described multimedia control order is the AT order; Control hand-held intelligent equipment online by bluetooth controller, hand-held intelligent equipment is fixed in slot with the televisor wired connection, and the webpage of hand-held intelligent linking of devices shows by television display screen;
The press key message that the press key message generation module generates is packet, and the form of packet is as follows:
Wherein Head and Tail are respectively packet header and bag tail, and CRC is check bit, the corresponding key value of Key, and State indicates this key-press status.
2. a bluetooth controller, is characterized in that, described bluetooth controller is to increase key board of configuration and press key message generation module on the basis of existing bluetooth earphone, realizes generating according to press key message the process of multimedia control order by software; Described bluetooth controller comprises key board, press key message generation module and Bluetooth control module, described key board comprises that the confession user carries out the button of multimedia control to hand-held smart machine, described press key message generation module is used for generating press key message when described button is triggered, the press key message that generates is transferred to described Bluetooth control module, described Bluetooth control module is used for generating described multimedia control order according to described press key message, and is used for described multimedia control order is sent to described hand-held intelligent equipment; Described key board also comprises the button that the blue tooth voice function is controlled, described press key message generation module is used for generating press key message when described button is triggered, the press key message that generates is transferred to described Bluetooth control module, described Bluetooth control module also is used for generating the blue tooth voice control command according to described press key message, and is used for described blue tooth voice control command is sent to described hand-held intelligent equipment;
Described bluetooth controller also comprises microphone, and described microphone is used for for the user input voice signal, and described Bluetooth control module is used for described voice signal is transferred to described hand-held intelligent equipment by bluetooth approach;
Described bluetooth controller also comprises loudspeaker, and described Bluetooth control module is used for receiving the voice signal of described hand-held intelligent device transmission, and described loudspeaker is used for playing described voice signal; Described multimedia control order comprises controls the control command that described hand-held intelligent equipment carries out web page browsing or carries out media play.
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| CN 200910189598 CN101739797B (en) | 2009-11-27 | 2009-11-27 | Multi-media control system and bluetooth controller |
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| CN101739797B true CN101739797B (en) | 2013-05-15 |
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| CN104159004A (en) * | 2014-08-22 | 2014-11-19 | 福州新锐同创电子科技有限公司 | A recording and broadcasting shortcut controller |
| CN104637281B (en) * | 2015-01-09 | 2018-02-23 | 北京奥普维尔科技有限公司 | A kind of test instrumentation and method with Bluetooth function |
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| CN101132456B (en) * | 2006-08-22 | 2011-08-10 | 中兴通讯股份有限公司 | Blue tooth multifunctional remote controller device and method for implementing voice communication |
| CN101145808A (en) * | 2006-09-14 | 2008-03-19 | 中兴通讯股份有限公司 | Bluetooth voice controller and Bluetooth voice remote control system |
| CN101383637A (en) * | 2008-10-28 | 2009-03-11 | 中兴通讯股份有限公司 | Mobile television control method and system |
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