CN103729243A - Universal hardware abstract port implementing method and calling method for voice access equipment - Google Patents
Universal hardware abstract port implementing method and calling method for voice access equipment Download PDFInfo
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Abstract
The invention discloses a universal hardware abstract port implementing method for voice access equipment. The implementing method for the voice access equipment comprises the steps that an application layer, a protocol layer and a hardware equipment driving layer are provided, and a hardware abstract layer is added between the application layer and the hardware equipment driving layer to shield attention to specific hardware from the application layer; the hardware abstract layer comprises an initialization function block and/or a basic configuration function module and/or an event reporting function module and/or a media operation function module and/or a timing operation function module, the initialization function block, the basic configuration function module and the media operation function module are called by the application layer, the event reporting function module is called by the hardware abstract layer, and the timing operation function module is called by the application layer and the hardware abstract layer. According to the universal hardware abstract port implementing method and calling method, by means of a management layer, the voice access equipment can conveniently have access to different hardware platforms, and development of new hardware and new products is facilitated. The management layer with multiple hardware ports can be achieved at the same time, a developer only needs to maintain one software version, and the maintaining workload is greatly reduced.
Description
Technical field
The present invention relates to interface realizing method, relate in particular to a kind of speech sound access equipment common hardware abstraction interface implementation method and method of calling.
Background technology
For audio access chip, different hardware vendors generally has the complete software of oneself to realize and hardware driving scheme, particularly, for large chip business, still for integrated scheme provider, can not safeguard the scheme of various chip business oneself simultaneously.In general, for the service application software on pure upper strata, can accomplish unification, but most of upper-layer service depends on bottom layer driving, and different hardware vendors' driving is different, like this for solution supplier has manufactured difficulty.Existing technology is generally the realization of deferring to chip business, needs what function just to call certain driving function that chip business provides, but in the time will supporting new hardware, needs another to do corresponding change, and workload is very large.
Summary of the invention
In view of this, the object of this invention is to provide a kind of speech sound access equipment common hardware abstraction interface implementation method and method of calling, between application layer and hardware device drivers layer, add hardware abstraction layer, the concern that shielding application layer realizes specific hardware, the development amount of simplification application layer and hardware device level.
In order to achieve the above object, the object of the invention is to be achieved through the following technical solutions:
A kind of speech sound access equipment common hardware abstraction interface implementation method, the realization of described speech sound access equipment comprises application layer, protocol layer and hardware device drivers layer, wherein, between described application layer and described hardware device drivers layer, add hardware abstraction layer, to shield the concern of described application layer to specific hardware; Described hardware abstraction layer comprise initialization function and or basic configuration functional block and or reporting events functional block and or media manipulation functional block and or fixed cycle operator functional block, described initialization function, described basic configuration functional block and described media manipulation functional block are called by described application layer, described reporting events functional block is called by described hardware abstraction layer, and described fixed cycle operator functional block is called by described application layer and described hardware abstraction layer.
Above-mentioned speech sound access equipment common hardware abstraction interface implementation method, wherein, described initialization function comprises function of initializing and closing function, after normal process maybe should use, call corresponding described function of initializing to complete the initialization of described hardware abstraction layer, when no longer needing described hardware abstraction layer described in application layer call described closing function and close described hardware abstraction layer.
Above-mentioned speech sound access equipment common hardware abstraction interface implementation method, wherein, described basic configuration functional block comprises buffer zone regulatory function and echo cancellation function.
Above-mentioned speech sound access equipment common hardware abstraction interface implementation method, wherein, described reporting events functional block comprise report off-hook event, report onhook event, report flash event, report dialer event, report modulation /demodulation event.
Above-mentioned speech sound access equipment common hardware abstraction interface implementation method, wherein, the event that described reporting events functional block reports also comprises report fax event.
Above-mentioned speech sound access equipment common hardware abstraction interface implementation method, wherein, the event that described reporting events functional block reports also comprises report remote dial event.
Above-mentioned speech sound access equipment common hardware abstraction interface implementation method, wherein, described media manipulation functional block comprise player function, stop sound function, to network side playback function, start ringer function, stop ringer function, show Calls person ID function, set up media function, revise media function and delete media function.
Above-mentioned speech sound access equipment common hardware abstraction interface implementation method, wherein, described fixed cycle operator functional block comprises that timing starts function and timing end functions.
A kind of method of calling, wherein, employing is as above stated speech sound access equipment common hardware abstraction interface implementation method and is completed call function, comprises the following steps:
A, Calling Side flow process:
S1 Calling Side off-hook;
S2 level of abstraction calls handoff functionality;
S3 application layer is called player function, and band parameter is dialing tone;
S4 level of abstraction calls the playback interface of hardware layer;
The dialing of S5 Calling Side;
S6 level of abstraction calls dial feature;
After collecting the digits, S7 accumulation sends invitation message;
S8 is recalled 180 message;
S9 application layer is called playback interface, and parameter is ring-back tone;
S10 level of abstraction calls the playback interface of hardware layer;
S11 is recalled 200 message;
S12 application layer call establishment media interface, this interface sends the media of caller and callee side to level of abstraction;
The media that S13 level of abstraction calls hardware layer create interface;
S14 Calling Side report on-hook;
S15 level of abstraction calls on-hook function;
S16 application layer sends byebye message;
S17 application layer is called and is deleted media function deletion media information;
S18 level of abstraction calls hardware layer interface, deletes media;
B, callee side flow process:
P1 receives invitation message;
P2 application layer is called ringer function;
P3 level of abstraction calls the ring interface of hardware layer;
Called transmission 180 message of P4;
P5 callee side off-hook;
P6 level of abstraction calls handoff functionality;
Called transmission 200 message of P7;
P8 application layer call establishment media interface, this interface sends the media of caller and callee side to level of abstraction;
The media that P9 level of abstraction calls hardware layer create interface;
P10 callee side report on-hook;
P11 level of abstraction calls on-hook function;
P12 application layer sends byebye message;
P13 application layer is called and is deleted media function deletion media information;
P14 level of abstraction calls hardware layer interface, deletes media.
Above-mentioned method of calling, wherein, any one or more support fixed cycle operators in above-mentioned steps S3, S6, S8, S11, S16, P2, P4, P5, P7 and P12.
Compared with the prior art, beneficial effect of the present invention is:
Propose voice common hardware interface management layer, by these administration and supervision authorities, can access easily different hardware platforms, facilitate new hardware, the exploitation of new product; By utilizing common hardware interface management, can realize multiple hardware interface administration and supervision authorities simultaneously.When after version operation, according to current hardware, select corresponding hardware interface administration and supervision authorities.Like this, no matter have how much hardware, developer only need to safeguard a software version, greatly simplifies maintenance workload.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation block diagram of speech sound access equipment common hardware abstraction interface of the present invention;
Fig. 2 a is the process schematic diagram of method of calling Calling Side of the present invention;
Fig. 2 b is the process schematic diagram of method of calling callee side of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the present invention can combine mutually.
With reference to Fig. 1, speech sound access equipment common hardware abstraction interface implementation method of the present invention, the realization of speech sound access equipment comprises application layer, protocol layer and hardware device drivers layer, between application layer and hardware device drivers layer, adds hardware abstraction layer, to shield the concern of application layer to specific hardware.Hardware abstraction layer comprise initialization function and or basic configuration functional block and or reporting events functional block and or media manipulation functional block and or fixed cycle operator functional block, initialization function, basic configuration functional block and media manipulation functional block are called by application layer, reporting events functional block is called by hardware abstraction layer, and fixed cycle operator functional block is called by application layer and hardware abstraction layer.In hardware abstraction layer, be not that each functional block is necessary, each functional block is extendible and can deletes.
Initialization function comprises function of initializing and closing function, after normal process maybe should use, call corresponding function of initializing to complete the initialization of hardware abstraction layer, when no longer needing hardware abstraction layer, application layer is called closing function and is closed hardware abstraction layer.Basic configuration functional block comprises buffer zone regulatory function and echo cancellation function, the event that reporting events functional block reports comprise report off-hook event, report onhook event, report flash event, report dialer event, report modulation /demodulation event.Described reporting events functional block comprises the event reporting and can add according to actual needs or delete.
Preferably, the event that reporting events functional block reports also comprises report fax event.
Further preferably, the event that reporting events functional block reports also comprises report remote dial event.
Media manipulation functional block comprises player function, stops sound function, to network side playback function, start ringer function, stop ringer function, show Calls person ID function, set up media function, revise media function and delete media function.The various functions that described media manipulation functional block comprises can add according to actual needs or delete.Fixed cycle operator functional block comprises that timing starts function and timing end functions.
First the present invention defines an abstraction interface management object, and this management object comprises following interface function:
Hardware abstraction layer initialization class function, completes the initialization of whole level of abstraction or deletion etc., and called side is application layer:
CALL_HAL_API_FUNC init; //HAL initialization function
CALL_HAL_API_FUNC potsAdmin; // enable POTS
CALL_HAL_API_FUNC shutDown; // close HAL layer
Hardware abstraction layer basic configuration function, completes some basic configuration of hardware layer, and called side is application layer
CALL_HAL_API_FUNC setJitBuffer; // dithering cache is set
CALL_HAL_API_FUNC setEchoCancel; // arrange echo suppress
Hardware abstraction layer reporting events function, to upper strata reporting event, shields concrete message to hardware abstraction layer and sends realization, and called side is hardware abstraction layer:
Hardware abstraction layer media manipulation function, these are all the realize function definitions relevant with calling, called side is application layer
Hardware abstraction layer fixed cycle operator function, called side is hardware abstraction layer:
CALL_HAL_API_FUNC timerStart; // beginning timer
CALL_HAL_API_FUNC timerStop; // stop timing device
Hardware abstraction layer fixed cycle operator function, called side is application layer:
TIMEOUTENTRYFUNC to[HAL_TIMER_MAX]; The processing of // timer expiry
Certainly, be not above all functions all need realize, actual needs management object expands or deletes as required, for unwanted interface, Interface realization can be empty.
The realization of hardware abstraction layer generally depends on the realization of hardware.For different hardware, function above not will all be realized.But, for speech interface chip or the SoC of speech interface function is provided, generally all can provide similar function.
About the initialization of hardware abstraction layer:
The initialization of hardware abstraction layer is exactly the initialization of hardware in fact.After process maybe should use, in suitable place, call corresponding initialization function, just can complete the initialization of hardware abstraction layer.The invention still further relates to method of calling, employing is as above stated speech sound access equipment common hardware abstraction interface implementation method and is completed call function, with the implementation procedure of Session Initiation Protocol, describing these interface functions is below how to have cooperatively interacted call function, shown in Fig. 2 a and Fig. 2 b, mainly comprise the following steps:
A, Calling Side flow process:
S1 Calling Side off-hook;
S2 level of abstraction calls handoff functionality (offhook);
S3 application layer is called player function (playtone), and band parameter is dialing tone;
S4 level of abstraction calls the playback interface of hardware layer;
The dialing of S5 Calling Side;
S6 level of abstraction calls dial feature (digithook);
After collecting the digits, S7 accumulation sends invitation message (INVITE);
S8 is recalled 180 message;
S9 application layer is called playback interface, and parameter is ring-back tone;
S10 level of abstraction calls the playback interface of hardware layer;
S11 is recalled 200 message;
S12 application layer call establishment media interface (add), this interface sends the media of caller and callee side to level of abstraction;
The media that S13 level of abstraction calls hardware layer create interface;
S14 Calling Side report on-hook;
S15 level of abstraction calls on-hook function (onhook);
S16 application layer sends byebye message (BYE);
S17 application layer is called and is deleted media function (subtract) deletion media information;
S18 level of abstraction calls hardware layer interface, deletes media;
B, callee side flow process:
P1 receives invitation message (INVITE);
P2 application layer is called ringer function (ring);
P3 level of abstraction calls the ring interface of hardware layer;
Called transmission 180 message of P4;
P5 callee side off-hook;
P6 level of abstraction calls handoff functionality (offhook);
Called transmission 200 message of P7;
P8 application layer call establishment media interface (add), this interface sends the media of caller and callee side to level of abstraction;
The media that P9 level of abstraction calls hardware layer create interface;
P10 callee side report on-hook;
P11 level of abstraction calls on-hook function (onhook);
P12 application layer sends byebye message;
P13 application layer is called and is deleted media function (subtract) deletion media information;
P14 level of abstraction calls hardware layer interface, deletes media.
Preferably, any one or more support fixed cycle operators in above-mentioned steps S3, S6, S8, S11, S16, P2, P4, P5, P7 and P12,
From above-described embodiment, can find out, advantage of the present invention is:
Propose voice common hardware interface management layer, by these administration and supervision authorities, can access easily different hardware platforms, facilitate new hardware, the exploitation of new product; By utilizing common hardware interface management, can realize multiple hardware interface administration and supervision authorities simultaneously.When after version operation, according to current hardware, select corresponding hardware interface administration and supervision authorities.Like this, no matter have how much hardware, developer only need to safeguard a software version, greatly simplifies maintenance workload.
Above specific embodiments of the invention be have been described in detail, but the present invention is not restricted to specific embodiment described above, it is just as example.To those skilled in the art, any equivalent modifications and alternative also all among category of the present invention.Therefore, equalization conversion and the modification done without departing from the spirit and scope of the invention, all should contain within the scope of the invention.
Claims (10)
1. a speech sound access equipment common hardware abstraction interface implementation method, the realization of described speech sound access equipment comprises application layer, protocol layer and hardware device drivers layer, it is characterized in that, between described application layer and described hardware device drivers layer, add hardware abstraction layer, to shield the concern of described application layer to specific hardware; Described hardware abstraction layer comprise initialization function and or basic configuration functional block and or reporting events functional block and or media manipulation functional block and or fixed cycle operator functional block, described initialization function, described basic configuration functional block and described media manipulation functional block are called by described application layer, described reporting events functional block is called by described hardware abstraction layer, and described fixed cycle operator functional block is called by described application layer and described hardware abstraction layer.
2. speech sound access equipment common hardware abstraction interface implementation method according to claim 1, it is characterized in that, described initialization function comprises function of initializing and closing function, after normal process maybe should use, call corresponding described function of initializing to complete the initialization of described hardware abstraction layer, when no longer needing described hardware abstraction layer described in application layer call described closing function and close described hardware abstraction layer.
3. speech sound access equipment common hardware abstraction interface implementation method according to claim 1, is characterized in that, described basic configuration functional block comprises buffer zone regulatory function and echo cancellation function.
4. speech sound access equipment common hardware abstraction interface implementation method according to claim 1, it is characterized in that, the event that described reporting events functional block reports comprise report off-hook event, report onhook event, report flash event, report dialer event, report modulation /demodulation event.
5. speech sound access equipment common hardware abstraction interface implementation method according to claim 4, is characterized in that, the event that described reporting events functional block reports also comprises report fax event.
6. speech sound access equipment, by hardware abstraction interface realizing method, is characterized in that according to claim 4, and the event that described reporting events functional block reports also comprises report remote dial event.
7. speech sound access equipment common hardware abstraction interface implementation method according to claim 1, it is characterized in that, described media manipulation functional block comprises player function, stops sound function, to network side playback function, start ringer function, stop ringer function, show Calls person ID function, set up media function, revise media function and delete media function.
8. speech sound access equipment common hardware abstraction interface implementation method according to claim 1, is characterized in that, described fixed cycle operator functional block comprises that timing starts function and timing end functions.
9. a method of calling, is characterized in that, adopts speech sound access equipment common hardware abstraction interface implementation method as claimed in claim 6 to complete call function, comprises the following steps:
A, Calling Side flow process:
S1 Calling Side off-hook;
S2 level of abstraction calls handoff functionality;
S3 application layer is called player function, and band parameter is dialing tone;
S4 level of abstraction calls the playback interface of hardware layer;
The dialing of S5 Calling Side;
S6 level of abstraction calls dial feature;
After collecting the digits, S7 accumulation sends invitation message;
S8 is recalled 180 message;
S9 application layer is called playback interface, and parameter is ring-back tone;
S10 level of abstraction calls the playback interface of hardware layer;
S11 is recalled 200 message;
S12 application layer call establishment media interface, this interface sends the media of caller and callee side to level of abstraction;
The media that S13 level of abstraction calls hardware layer create interface;
S14 Calling Side report on-hook;
S15 level of abstraction calls on-hook function;
S16 application layer sends byebye message;
S17 application layer is called and is deleted media function deletion media information;
S18 level of abstraction calls hardware layer interface, deletes media;
B, callee side flow process:
P1 receives invitation message;
P2 application layer is called ringer function;
P3 level of abstraction calls the ring interface of hardware layer;
Called transmission 180 message of P4;
P5 callee side off-hook;
P6 level of abstraction calls handoff functionality;
Called transmission 200 message of P7;
P8 application layer call establishment media interface, this interface sends the media of caller and callee side to level of abstraction;
The media that P9 level of abstraction calls hardware layer create interface;
P10 callee side report on-hook;
P11 level of abstraction calls on-hook function;
P12 application layer sends byebye message;
P13 application layer is called and is deleted media function deletion media information;
P14 level of abstraction calls hardware layer interface, deletes media.
10. method of calling according to claim 9, is characterized in that any one or more support fixed cycle operators in above-mentioned steps S3, S6, S8, S11, S16, P2, P4, P5, P7 and P12.
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| CN113821354A (en) * | 2020-06-18 | 2021-12-21 | 通用电气公司 | System and method for providing an abstraction layer between an application layer and a hardware component of a computing device |
| CN112099978B (en) * | 2020-11-12 | 2021-03-23 | 南京创维信息技术研究院有限公司 | Universal awakening recognition algorithm management device and method located at hardware abstraction layer |
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