CN103680563A - Vehicle-mounted steering wheel video/audio playing control method and system - Google Patents
Vehicle-mounted steering wheel video/audio playing control method and system Download PDFInfo
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- CN103680563A CN103680563A CN201210345610.6A CN201210345610A CN103680563A CN 103680563 A CN103680563 A CN 103680563A CN 201210345610 A CN201210345610 A CN 201210345610A CN 103680563 A CN103680563 A CN 103680563A
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Abstract
The invention provides a vehicle-mounted steering wheel video/audio playing control method. The method comprises the following steps: correspondingly connecting a power cord and a signal line of a video/audio playing system to a vehicle-mounted power supply interface and a signal interface on a steering wheel; establishing a mapping relationship of steering wheel button signal and playing control signal of the video/audio playing system; receiving a button signal of the steering wheel, calling a corresponding playing control signal according to the mapping relationship and performing an operation command. Accordingly, a button signal is converted into a playing control signal of a video/audio playing system, so as to control the video/audio playing system. As a result, with the vehicle-mounted steering wheel video/audio playing control method, a video/audio playing system can be amounted in different types of vehicles. The invention further provides a vehicle-mounted steering wheel video/audio playing control system.
Description
Technical field
The present invention relates to vehicle carried video playing system, particularly relate to the audio-visual control method for playing back of a kind of omnipotent vehicle-mounted bearing circle and system.
Background technology
Along with the develop rapidly of automobile industry, also convergence is perfect for the various functions of automobile.For example, automobile generally can have the functions such as vehicle mounted guidance, vehicle-mounted radio, Vehicular video/audio player now.Usually, the function such as vehicle mounted guidance, vehicle-mounted radio and Vehicular video/audio player can merge on a multifunction electronic product.In use will inevitably there is consume in the electronic product that integrates above-mentioned functions.In general, what loss was maximum is video-audio playing system, thereby the video-audio playing system that need to more renew.But generalized case is that the video-audio playing system that the automobile of different brands different manufacturers is equipped with is different.While changing video-audio playing system, must be consistent could the using of model and manufacturing firm with former video-audio playing system.Thereby it is more difficult to cause changing video-audio playing system.
Summary of the invention
Based on this, provide a kind of audio-visual control method for playing back of omnipotent vehicle-mounted bearing circle that can be suitable for Multiple Type automobile.
The audio-visual control method for playing back of vehicle-mounted bearing circle, comprises the following steps:
By the power lead of video-audio playing system and signal wire and vehicle power interface and corresponding connection of signaling interface on bearing circle;
Set up the mapping relations of the push button signalling of bearing circle and the Play Control signal of described video-audio playing system;
Receive the push button signalling of described bearing circle, according to described mapping relations, call corresponding Play Control signal, executable operations instruction.
Therein in an embodiment, the step of the mapping relations of the described Play Control signal of setting up bearing circle push button signalling and described video-audio playing system is specially:
Press bearing circle button, described signaling interface and described signal wire send to described video-audio playing system by the signal of pressing keys;
Described video-audio playing system receives signal the storage of described pressing keys, and the button of described video-audio playing system sends assignment signal; Wherein assignment signal is Play Control signal;
Described video-audio playing system is corresponding with described assignment signal by the signal of described pressing keys, and stores the signal of described pressing keys and the corresponding relation of described assignment signal.
Therein in an embodiment, the step of the mapping relations of the described Play Control signal of setting up bearing circle push button signalling and described video-audio playing system also comprises: described video-audio playing system is stored after described corresponding relation, described video-audio playing system sends and confirms instruction to described bearing circle, after described bearing circle confirmation of receipt instruction, to described video-audio playing system, again sends pressing keys signal.
In an embodiment, the signal of the pressing keys of described bearing circle comprises therein: mute button signal, power button signal, volume button signal, bluetooth are answered push button signalling, bluetooth on-hook push button signalling, mode key signal, APS key signal, confirmed push button signalling, program selection key signal; Wherein, APS is pilothouse management and data system;
The assignment signal of described video-audio playing system comprises: mute button assignment signal, power button assignment signal, volume button assignment signal, bluetooth are answered by key assign signal, bluetooth on-hook by key assign signal, mode key assignment signal, APS key assignment signal, confirmed by key assign signal, program selection key assignment signal.
In an embodiment, described video-audio playing system is set up the signal of described pressing keys and the corresponding relation of described assignment signal therein;
When described video-audio playing system receives the signal of identical pressing keys again, according to described corresponding relation, carry out the operational order of the signal of described pressing keys.
The audio-visual control method for playing back of above-mentioned vehicle-mounted bearing circle is by setting up the mapping relations of the pressing keys signal of bearing circle button and the Play Control signal of video-audio playing system, when receiving same pressing keys signal, according to mapping relations, call corresponding Play Control signal.Therefore, pressing keys signal can be converted to the Play Control signal of video-audio playing system, thereby control video-audio playing system.So video-audio playing system can be arranged in different automobiles by the audio-visual control method for playing back of above-mentioned vehicle-mounted bearing circle.
A kind of omnipotent vehicle-mounted bearing circle control system for playing back video and audio that can be suitable for Multiple Type automobile is provided in addition.
A vehicle-mounted bearing circle control system for playing back video and audio, comprises video-audio playing system and bearing circle button, and described video-audio playing system comprises signal wire for being connected with the signaling interface of bearing circle and power lead for being connected with vehicle power interface;
Described video-audio playing system also comprises that signal acquisition module, signal calling module, mapping relations set up module; Described signal acquisition module is set up module with described mapping relations with described signal calling module and is connected simultaneously;
Described mapping relations are set up module for setting up the mapping relations of the push button signalling of bearing circle and the Play Control signal of described video-audio playing system;
Described signal acquisition module is for receiving the push button signalling of described bearing circle;
Described signal calling module is for calling corresponding Play Control signal, executable operations instruction according to described mapping relations.
In an embodiment, described bearing circle button is for sending the signal of pressing keys therein; Described signaling interface and described signal wire are for sending to the signal of pressing keys the described signal acquisition module of described video-audio playing system;
Described signal acquisition module is used for receiving the signal of described pressing keys, and stores the signal of described pressing keys, and the assignment button of described video-audio playing system is used for sending assignment signal; Wherein assignment signal is Play Control signal;
Described mapping relations are set up module for the signal of described pressing keys is corresponding with described assignment signal, and store the signal of described pressing keys and the corresponding relation of described assignment signal.
Therein in an embodiment, also comprise the confirmation instruction module being connected with described signal calling module, described video-audio playing system is stored after described corresponding relation, described confirmation instruction module sends and confirms instruction to described bearing circle button, and described bearing circle button sends pressing keys signal again to described video-audio playing system after being used for receiving described confirmation instruction.
In an embodiment, described bearing circle button comprises therein: mute button, power button, volume button, bluetooth are answered button, bluetooth on-hook button, mode key, APS key, confirmed button, program selection key;
The assignment button of described video-audio playing system comprises: quiet assignment button, power supply assignment button, volume assignment button, bluetooth are answered assignment button, bluetooth on-hook assignment button, pattern assignment button, APS key assign button, confirmation assignment button, program selection assignment button.
In an embodiment, described mapping relations are set up module also for setting up the signal of described pressing keys and the corresponding relation of described assignment signal therein;
When described video-audio playing system receives the signal of identical pressing keys again, according to described corresponding relation, carry out the operational order of the signal of described pressing keys.
Above-mentioned vehicle-mounted bearing circle control system for playing back video and audio is by setting up the mapping relations of the push button signalling of bearing circle and the Play Control signal of video-audio playing system, make the button in bearing circle button and video-audio playing system there is same control function, thereby realize bearing circle by key control video-audio playing system.Therefore, the pressing keys signal of bearing circle button can be converted to the push button signalling of video-audio playing system, thereby control video-audio playing system.So video-audio playing system can be arranged in different automobiles by above-mentioned vehicle-mounted bearing circle control system for playing back video and audio.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the audio-visual control method for playing back of vehicle-mounted bearing circle;
Fig. 2 is the module map of vehicle-mounted bearing circle control system for playing back video and audio.
Embodiment
As shown in Figure 1, be the process flow diagram of the audio-visual control method for playing back of vehicle-mounted bearing circle.
The audio-visual control method for playing back of vehicle-mounted bearing circle, comprises the following steps:
Step S110, by the power lead of video-audio playing system and signal wire and vehicle power interface and corresponding connection of signaling interface on bearing circle.
Between bearing circle button and video-audio playing system, realize data interaction, must have signal wire as bridge.Usually, video-audio playing system, except indispensable Voice & Video playing function, generally also possesses navigation and wireless function.Therefore signal wire comprises TV antenna, reception antenna, gps antenna interface and audio/video input/output interface.In actual applications, for guaranteeing signal transmission quality, each idle audio/video plug all remains with insulating sheath, prevents that short circuit from causing signal to disturb.
Step S120, presses bearing circle button, and signaling interface and signal wire send to video-audio playing system by the signal of pressing keys.
By pressing bearing circle button, can to produce corresponding driving electric signal be keyboard scancode, drives electric signal to be transferred to video-audio playing system by signaling interface and signal wire, and video-audio playing system receives and drives electric signal.In video-audio playing system, stored specific key, therefore, after receiving driving electric signal, video-audio playing system can drive electric signal according to the specific key identification of storage, according to driving electric signal to know it is the driving electric signal of which button of bearing circle button.
Step S130, video-audio playing system receives signal the storage of pressing keys, and the button of video-audio playing system sends assignment signal.Wherein, assignment signal is Play Control signal.
At video-audio playing system, stored after driving electric signal, pressed in video-audio playing system and need the corresponding button of controlling, sent assignment signal.In video-audio playing system, to press the assignment signal reality sent be also keyboard scancode to button.Video-audio playing system is known corresponding button according to identification keyboard scancode, and by the keyboard scancode of reception and the corresponding button storage of knowing.
Step S140, video-audio playing system is corresponding with assignment signal by the signal of pressing keys, and stores the signal of pressing keys and the corresponding relation of assignment signal.
After having received the driving electric signal of bearing circle button and the keyboard scancode of video-audio playing system, video-audio playing system is adjusted above-mentioned driving electric signal and keyboard scancode corresponding, the action that video-audio playing system will be carried out after the driving electric signal of next receive direction dish button with receive video-audio playing system keyboard scancode time to carry out keep strokes.Particularly, state in realization after corresponding relation, the button that bearing circle button is corresponding with assignment signal can both carry out same operation to video-audio playing system and control.
Step S150, receives the push button signalling of described bearing circle, according to described mapping relations, calls corresponding Play Control signal, executable operations instruction.
The button of bearing circle button and the button in video-audio playing system realize corresponding one by one after, in video-audio playing system, all corresponding relations are stored, after again receiving the pressing keys signal of bearing circle button, video-audio playing system is identified it, and call its corresponding assignment signal in the corresponding relation of storage, thereby according to its corresponding assignment signal, performing an action of video-audio playing system controlled.
Wherein, above-mentioned steps S120 ~ S140 may be summarized to be: the mapping relations of setting up the push button signalling of bearing circle and the Play Control signal of video-audio playing system.In other embodiments, also can be that video-audio playing system is according to the signal key range function of the bearing circle pressing keys receiving, after to pressing keys identification, from video-audio playing system, search corresponding button Play Control signal, by between the pressing keys of identification and the button of searching, set up corresponding mapping relations.In a manner described bearing circle button is set up to corresponding mapping relations with the button of video-audio playing system one by one, thereby realize the mapping relations between the Play Control signal of setting up bearing circle button and video-audio playing system.
The audio-visual control method for playing back of above-mentioned vehicle-mounted bearing circle is by carrying out corresponding one by one by bearing circle button with the keyboard of video-audio playing system, make the button of bearing circle button and video-audio playing system there is same control function, thereby realize bearing circle by key control video-audio playing system.Particularly, video-audio playing system by the signal of the pressing keys process corresponding with assignment signal be by the driving electric signal of bearing circle button change to video-audio playing system in the identical electric signal of assignment signal.
Vehicle-mounted bearing circle video-audio playing system control method also comprises that after video-audio playing system storage corresponding relation, video-audio playing system sends and confirms instruction to bearing circle, after bearing circle confirmation of receipt instruction, to video-audio playing system, again sends pressing keys signal.
Video-audio playing system carries out bearing circle button in corresponding process with the keyboard of self, complete after a pair of button corresponding of video-audio playing system and bearing circle button at every turn, video-audio playing system need to once confirm, to prevent occurring the situation of button corresponding relation disorder in corresponding process repeatedly.
The signal of the pressing keys of bearing circle comprises: mute button signal, power button signal, volume button signal, bluetooth are answered push button signalling, bluetooth on-hook push button signalling, mode key signal, APS key signal, confirmed push button signalling, program selection key signal.Wherein, APS(comand APS) be pilothouse management and data system.
The assignment signal of video-audio playing system comprises: mute button assignment signal, power button assignment signal, volume button assignment signal, bluetooth are answered by key assign signal, bluetooth on-hook by key assign signal, mode key assignment signal, APS key assignment signal, confirmed by key assign signal, program selection key assignment signal.
In the present embodiment, quiet, the power supply of the main button corresponding relation of bearing circle button and video-audio playing system, volume, bluetooth answer, bluetooth on-hook, pattern, APS, confirmation and program selection etc.State in realization after the correspondence of button, on bearing circle button, press mute button, bearing circle is to video-audio playing system generation mute button signal, after video-audio playing system identification mute button signal, call quiet relation, thereby can know that the assignment signal corresponding with mute button signal is mute button assignment signal, video-audio playing system performs an action according to mute button assignment signal.
It is an assignment procedure that above-mentioned corresponding relation is set up actual, is about to the signal assignment of pressing keys in video-audio playing system, and video-audio playing system is according to the signal executable operations instruction of the button corresponding with assignment signal.
Particularly, the corresponding relation between video-audio playing system and bearing circle button it is also understood that for: video-audio playing system is set up the signal of pressing keys and the corresponding relation of assignment signal.
When video-audio playing system receives the signal of identical pressing keys again, according to corresponding relation, carry out the operational order of the signal of pressing keys.
The audio-visual control method for playing back of above-mentioned vehicle-mounted bearing circle is corresponding by the pressing keys signal of bearing circle button and the assignment signal of video-audio playing system, then store corresponding relation, when again receiving same pressing keys signal, call corresponding relation, thereby find corresponding assignment signal, again because each assignment signal corresponding be the push button signalling of video-audio playing system.Therefore, pressing keys signal can be converted to the push button signalling of video-audio playing system, thereby control video-audio playing system.So video-audio playing system can be arranged in different automobiles by the audio-visual control method for playing back of above-mentioned vehicle-mounted bearing circle.
As shown in Figure 2, be the module map of vehicle-mounted bearing circle control system for playing back video and audio.Vehicle-mounted bearing circle control system for playing back video and audio comprises video-audio playing system 20 and bearing circle button 30, and video-audio playing system 20 comprises the signal wire 202 that is connected for the signaling interface (not shown) with bearing circle and power lead (not shown) for being connected with vehicle power interface (not shown).
Between bearing circle button 30 and video-audio playing system 20, realize data interaction, must have signal wire 202 as bridge.Usually, video-audio playing system 20, except indispensable Voice & Video playing function, generally also possesses navigation and wireless function.Therefore signal wire comprises TV antenna, reception antenna, gps antenna interface and audio/video input/output interface.In the present embodiment, be mainly application audio-video playing function, the i.e. Play Control of audio frequency or video.Thereby plug that in actual applications can be available free, for guaranteeing signal transmission quality, each idle plug all remains with insulating sheath, prevents that short circuit from causing signal to disturb.
Video-audio playing system 20 also comprises that signal acquisition module 204, signal calling module 206, mapping relations set up module 208.Signal acquisition module 204 is set up module 208 with mapping relations with signal calling module 206 and is connected simultaneously.
Described mapping relations are set up module 208 for setting up the mapping relations of the push button signalling of bearing circle and the Play Control signal of described video-audio playing system 20.
Described signal acquisition module 204 is for receiving the push button signalling of described bearing circle.
Described signal calling module 206 is for calling corresponding Play Control signal, executable operations instruction according to described mapping relations.
Mapping relations are set up module 208 for the signal of pressing keys is corresponding with assignment signal; And store the signal of pressing keys and the corresponding relation of assignment signal.
When video-audio playing system 20 receives the signal of pressing keys, video-audio playing system 20 is for calling corresponding relation, and according to the assignment signal corresponding button executable operations instruction corresponding with pressing keys signal.
Vehicle-mounted bearing circle control system for playing back video and audio also comprises the confirmation instruction module being connected with signal calling module 206, after video-audio playing system 20 storage corresponding relations, confirm that instruction module sends and confirms instructions to bearing circle button 30, bearing circle button 30 sends pressing keys signal again to video-audio playing system 20 after for confirmation of receipt instruction.
The assignment button of video-audio playing system 20 comprises: quiet assignment button, power supply assignment button, volume assignment button, bluetooth are answered assignment button, bluetooth on-hook assignment button, pattern assignment button, APS key assign button, confirmation assignment button, program selection assignment button.
Mapping relations set up module 208 for by the signal assignment of pressing keys to video-audio playing system 20, video-audio playing system 20 is for according to the signal executable operations instruction of the button corresponding with assignment signal.
Mapping relations are set up module 208 also for setting up the signal of pressing keys and the corresponding relation of assignment signal;
When video-audio playing system receives the signal of identical pressing keys again, according to corresponding relation, carry out the operational order of the signal of pressing keys.
Above-mentioned vehicle-mounted bearing circle control system for playing back video and audio is set up module 208 by mapping relations bearing circle button 30 is carried out corresponding one by one with the button in video-audio playing system 20, make bearing circle button 30 and the button in video-audio playing system 20 there is same control function, thereby realize bearing circle button 30, control video-audio playing system 20.Therefore, the pressing keys signal of bearing circle button 30 can be converted to the push button signalling of video-audio playing system 20, thereby control video-audio playing system 20.So video-audio playing system 20 can be arranged in different automobiles by above-mentioned vehicle-mounted bearing circle control system for playing back video and audio.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. the audio-visual control method for playing back of vehicle-mounted bearing circle, comprises the following steps:
By the power lead of video-audio playing system and signal wire and vehicle power interface and corresponding connection of signaling interface on bearing circle;
Set up the mapping relations of the push button signalling of bearing circle and the Play Control signal of described video-audio playing system;
Receive the push button signalling of described bearing circle, according to described mapping relations, call corresponding Play Control signal, executable operations instruction.
2. the audio-visual control method for playing back of vehicle-mounted bearing circle according to claim 1, is characterized in that, the step of the mapping relations of the described Play Control signal of setting up bearing circle push button signalling and described video-audio playing system is specially:
Press bearing circle button, described signaling interface and described signal wire send to described video-audio playing system by the signal of pressing keys;
Described video-audio playing system receives signal the storage of described pressing keys, and the button of described video-audio playing system sends assignment signal; Wherein assignment signal is Play Control signal;
Described video-audio playing system is corresponding with described assignment signal by the signal of described pressing keys, and stores the signal of described pressing keys and the corresponding relation of described assignment signal.
3. the audio-visual control method for playing back of vehicle-mounted bearing circle according to claim 2, it is characterized in that, the step of the mapping relations of the described Play Control signal of setting up bearing circle push button signalling and described video-audio playing system also comprises: described video-audio playing system is stored after described corresponding relation, described video-audio playing system sends and confirms instruction to described bearing circle, after described bearing circle confirmation of receipt instruction, to described video-audio playing system, again sends pressing keys signal.
4. the audio-visual control method for playing back of vehicle-mounted bearing circle according to claim 2, it is characterized in that, the signal of the pressing keys of described bearing circle comprises: mute button signal, power button signal, volume button signal, bluetooth are answered push button signalling, bluetooth on-hook push button signalling, mode key signal, APS key signal, confirmed push button signalling, program selection key signal; Wherein, APS is pilothouse management and data system;
The assignment signal of described video-audio playing system comprises: mute button assignment signal, power button assignment signal, volume button assignment signal, bluetooth are answered by key assign signal, bluetooth on-hook by key assign signal, mode key assignment signal, APS key assignment signal, confirmed by key assign signal, program selection key assignment signal.
5. the audio-visual control method for playing back of vehicle-mounted bearing circle according to claim 2, is characterized in that, described video-audio playing system is set up the signal of described pressing keys and the corresponding relation of described assignment signal;
When described video-audio playing system receives the signal of identical pressing keys again, according to described corresponding relation, carry out the operational order of the signal of described pressing keys.
6. a vehicle-mounted bearing circle control system for playing back video and audio, it is characterized in that, comprise video-audio playing system and bearing circle button, described video-audio playing system comprises signal wire for being connected with the signaling interface of bearing circle and power lead for being connected with vehicle power interface;
Described video-audio playing system also comprises that signal acquisition module, signal calling module, mapping relations set up module; Described signal acquisition module is set up module with described mapping relations with described signal calling module and is connected simultaneously;
Described mapping relations are set up module for setting up the mapping relations of the push button signalling of bearing circle and the Play Control signal of described video-audio playing system;
Described signal acquisition module is for receiving the push button signalling of described bearing circle;
Described signal calling module is for calling corresponding Play Control signal, executable operations instruction according to described mapping relations.
7. vehicle-mounted bearing circle control system for playing back video and audio according to claim 6, is characterized in that, described bearing circle button is for sending the signal of pressing keys; Described signaling interface and described signal wire are for sending to the signal of pressing keys the described signal acquisition module of described video-audio playing system;
Described signal acquisition module is used for receiving the signal of described pressing keys, and stores the signal of described pressing keys, and the assignment button of described video-audio playing system is used for sending assignment signal; Wherein assignment signal is Play Control signal;
Described mapping relations are set up module for the signal of described pressing keys is corresponding with described assignment signal, and store the signal of described pressing keys and the corresponding relation of described assignment signal.
8. vehicle-mounted bearing circle control system for playing back video and audio according to claim 6, it is characterized in that, also comprise the confirmation instruction module being connected with described signal calling module, described video-audio playing system is stored after described corresponding relation, described confirmation instruction module sends and confirms instruction to described bearing circle button, and described bearing circle button sends pressing keys signal again to described video-audio playing system after being used for receiving described confirmation instruction.
9. vehicle-mounted bearing circle control system for playing back video and audio according to claim 6, it is characterized in that, described bearing circle button comprises: mute button, power button, volume button, bluetooth are answered button, bluetooth on-hook button, mode key, APS key, confirmed button, program selection key;
The assignment button of described video-audio playing system comprises: quiet assignment button, power supply assignment button, volume assignment button, bluetooth are answered assignment button, bluetooth on-hook assignment button, pattern assignment button, APS key assign button, confirmation assignment button, program selection assignment button.
10. vehicle-mounted bearing circle control system for playing back video and audio according to claim 6, is characterized in that, described mapping relations are set up module also for setting up the signal of described pressing keys and the corresponding relation of described assignment signal;
When described video-audio playing system receives the signal of identical pressing keys again, according to described corresponding relation, carry out the operational order of the signal of described pressing keys.
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| CN201210345610.6A CN103680563A (en) | 2012-09-17 | 2012-09-17 | Vehicle-mounted steering wheel video/audio playing control method and system |
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| CN201210345610.6A CN103680563A (en) | 2012-09-17 | 2012-09-17 | Vehicle-mounted steering wheel video/audio playing control method and system |
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| CN111123758A (en) * | 2019-11-06 | 2020-05-08 | 思特沃克软件技术(北京)有限公司 | Vehicle-mounted item selection method and device and steering wheel |
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