CN103729243B - Speech sound access equipment common hardware abstraction interface implementation method and method of calling - Google Patents
Speech sound access equipment common hardware abstraction interface implementation method and method of calling Download PDFInfo
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- CN103729243B CN103729243B CN201310647871.8A CN201310647871A CN103729243B CN 103729243 B CN103729243 B CN 103729243B CN 201310647871 A CN201310647871 A CN 201310647871A CN 103729243 B CN103729243 B CN 103729243B
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Abstract
The invention discloses a kind of speech sound access equipment common hardware abstraction interface implementation method, the realization of the speech sound access equipment includes application layer, protocol layer and hardware device drivers layer, hardware abstraction layer is added between the application layer and the hardware device drivers layer, to shield concern of the application layer to specific hardware；The hardware abstraction layer includes 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, the initialization function, the basic configuration functional block and the media manipulation functional block are called by the application layer, the reporting events functional block is called by the hardware abstraction layer, and the fixed cycle operator functional block is called by the application layer and the hardware abstraction layer.The present invention can conveniently access different hardware platforms, facilitate new hardware, the exploitation of new product by the management level；Multiple hardware interface management level can be realized simultaneously, and developer only needs to safeguard a software version, greatly simplifies maintenance workload.
Description
Technical field
The present invention relates to interface realizing method, more particularly to a kind of speech sound access equipment common hardware abstraction interface realization side
Method and method of calling.
Background technology
For audio access chip, different hardware vendors typically has the realization of complete software and the hardware of oneself
Drive scheme, for big chip business, but for integrated scheme provider, it is impossible to while safeguard each
The scheme of kind chip business oneself.Generally, for the service application software on pure upper strata, unification can be accomplished, but greatly
Section top business is to rely on bottom layer driving, and the driving of different hardware vendors is different, is so carried for scheme
Difficulty has been manufactured for business.Existing technology is usually the realization for deferring to chip business, it is necessary to which what function just calls chip business to provide
Some driving function, but when to support new hardware, it is necessary to further each and every one do corresponding change, workload is very big.
The content of the invention
In view of this, it is an object of the invention to provide a kind of speech sound access equipment common hardware abstraction interface implementation method and
Method of calling, adds hardware abstraction layer between application layer and hardware device drivers layer, and shielding application layer is realized to specific hardware
Concern, simplify the development amount of application layer and hardware device level.
In order to achieve the above object, the purpose of the present invention is achieved through the following technical solutions：
A kind of speech sound access equipment common hardware abstraction interface implementation method, the realization of the speech sound access equipment includes should
With layer, protocol layer and hardware device drivers layer, wherein, add hardware between the application layer and the hardware device drivers layer
Level of abstraction, to shield concern of the application layer to specific hardware；The hardware abstraction layer includes initialization function and/or base
This configuration feature block and/or reporting events functional block and/or media manipulation functional block and/or fixed cycle operator functional block, the initialization
Functional block, the basic configuration functional block and the media manipulation functional block are called by the application layer, the reporting events work(
Energy block is called by the hardware abstraction layer, and the fixed cycle operator functional block is called by the application layer and the hardware abstraction layer.
Above-mentioned speech sound access equipment common hardware abstraction interface implementation method, wherein, the initialization function is included just
Beginningization function and closing function, after normal process or application, the corresponding function of initializing is called to complete
The initialization of hardware abstraction layer is stated, the application layer calls the closing function to close when no longer needing the hardware abstraction layer
The hardware abstraction layer.
Above-mentioned speech sound access equipment common hardware abstraction interface implementation method, wherein, the basic configuration functional block includes
Buffering area regulatory function and echo cancellation function.
Above-mentioned speech sound access equipment common hardware abstraction interface implementation method, wherein, the reporting events functional block includes
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 reporting events functional block reports
Event also include report fax event.
Above-mentioned speech sound access equipment common hardware abstraction interface implementation method, wherein, the reporting events functional block reports
Event also include report remote dial event.
Above-mentioned speech sound access equipment common hardware abstraction interface implementation method, wherein, the media manipulation functional block includes
Player function, stop sound function, to network side playback function, start ringer function, stop ringer function, caller ID work(
Media function, modification media function, can be established and delete media function.
Above-mentioned speech sound access equipment common hardware abstraction interface implementation method, wherein, the fixed cycle operator functional block includes
Timing starts function and timing end functions.
A kind of method of calling, wherein, using such as above-mentioned speech sound access equipment common hardware abstraction interface implementation method come complete
Into call function, comprise the following steps：
A, Calling Side flow：
S1 Calling Side off-hooks；
S2 level of abstractions call handoff functionality；
S3 application layers call player function, and band parameter is dialing tone；
S4 level of abstractions call the playback interface of hardware layer；
S5 Calling Sides dial；
S6 level of abstractions call dial feature；
S7 accumulations send invitation message after collecting the digits；
S8 is recalled 180 message；
S9 application layers call playback interface, and parameter is ring-back tone；
S10 level of abstractions call the playback interface of hardware layer；
S11 is recalled 200 message；
S12 application layer call establishment media interfaces, the interface send the media of caller and callee side to level of abstraction；
S13 level of abstractions call the media of hardware layer to create interface；
S14 Calling Sides report on-hook；
S15 level of abstractions call on-hook function；
S16 application layers send byebye message；
S17 application layers, which are called, deletes media function deletion media information；
S18 level of abstractions call hardware layer interface, delete media；
B, callee side flow：
P1 receives invitation message；
P2 application layers call ringer function；
P3 level of abstractions call the ring interface of hardware layer；
P4 is called to send 180 message；
P5 callee side off-hooks；
P6 level of abstractions call handoff functionality；
P7 is called to send 200 message；
P8 application layer call establishment media interfaces, the interface send the media of caller and callee side to level of abstraction；
P9 level of abstractions call the media of hardware layer to create interface；
P10 callee sides report on-hook；
P11 level of abstractions call on-hook function；
P12 application layers send byebye message；
P13 application layers, which are called, deletes media function deletion media information；
P14 level of abstractions call hardware layer interface, delete media.
Above-mentioned method of calling, wherein, it is any one in above-mentioned steps S3, S6, S8, S11, S16, P2, P4, P5, P7 and P12
Individual or multiple support fixed cycle operators.
Compared with the prior art, the beneficial effects of the present invention are：
Voice common hardware interface management layer is proposed, passes through the management level, in that context it may be convenient to different hardware platforms is accessed,
Facilitate new hardware, the exploitation of new product；By using common hardware interface management, multiple hardware interface management can be realized simultaneously
Layer.After version is run, according to current hardware, hardware interface management level corresponding to selection.So, no matter how many hardware,
Developer only needs to safeguard a software version, greatly simplifies maintenance workload.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural schematic block diagram of speech sound access equipment common hardware abstraction interface of the present invention；
Fig. 2 a are the process schematic diagrames of method of calling Calling Side of the present invention；
Fig. 2 b are the process schematic diagrames 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 carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
Reference picture 1, speech sound access equipment common hardware abstraction interface implementation method of the present invention, the realization of speech sound access equipment
Including application layer, protocol layer and hardware device drivers layer, hardware abstraction layer is added between application layer and hardware device drivers layer,
To shield concern of the application layer to specific hardware.Hardware abstraction layer include 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 function
Block and media manipulation functional block are called by application layer, and reporting events functional block is called by hardware abstraction layer, fixed cycle operator functional block
Called by application layer and hardware abstraction layer.It is not that each functional block is necessary, each functional block in hardware abstraction layer
It is extendible and can delete.
Initialization function includes function of initializing and closing function, after normal process or application, calls phase
For the function of initializing answered to complete the initialization of hardware abstraction layer, when no longer needing hardware abstraction layer, application layer, which is called, closes work(
Hardware abstraction layer can be closed.Basic configuration functional block includes buffering area regulatory function and echo cancellation function, reporting events function
The event that block reports includes reporting off-hook event, reports onhook event, report flash event, report dialer event, report modulation
Demodulation event.The reporting events functional block includes the event reported and can added or delete according to being actually needed.
Preferably, the event that reporting events functional block reports also includes report fax event.
It is further preferred that the event that reporting events functional block reports also includes report remote dial event.
Media manipulation functional block include player function, stop sound function, to network side playback function, start ringer function, stop
Only ringer function, caller ID functions, establish media function, modification media function and delete media function.The media
The various functions that operating function block is included can add or delete according to being actually needed.Fixed cycle operator functional block starts including timing
Function and timing end functions.
The present invention defines an abstraction interface management object first, and the management object includes following interface function：
Hardware abstraction layer initializes class function, completes initialization or deletion of whole level of abstraction etc., and called side is application
Layer：
CALL_HAL_API_FUNC init;//HAL initialization functions
CALL_HAL_API_FUNC potsAdmin;// enable POTS
CALL_HAL_API_FUNC shutDown;// close HAL layers
Hardware abstraction layer basic configuration function, completes some basic configuration of hardware layer, and called side is application layer
CALL_HAL_API_FUNC setJitBuffer;// jitter cache is set
CALL_HAL_API_FUNC setEchoCancel;// set echo to suppress
Hardware abstraction layer reporting events function, event is reported to upper strata, shielding specific message to hardware abstraction layer sends
Realize, called side is hardware abstraction layer：
Hardware abstraction layer media manipulation function, these are all that function defines for realize related to calling, and called side is application
Layer
Hardware abstraction layer fixed cycle operator function, called side are hardware abstraction layers：
CALL_HAL_API_FUNC timerStart;// start timer
CALL_HAL_API_FUNC timerStop;// stop timing device
Hardware abstraction layer fixed cycle operator function, called side are application layers：
TIMEOUTENTRYFUNC to[HAL_TIMER_MAX];The processing of // timer expiry
Certainly, it is not that all above function is required for realizing, management object can be actually needed as needed and expanded
Fill or delete, for unwanted interface, it can be empty that interface, which is realized,.
The realization of hardware abstraction layer commonly relies on the realization of hardware.For different hardware, function above is not
All to realize.But for speech interface chip or the SoC of offer speech interface function, typically it can all provide
Similar function.
Initialization on hardware abstraction layer：
The initialization of hardware abstraction layer, it is exactly the initialization of hardware in fact.After process or application, suitably
Call corresponding initialization function in side, it is possible to complete the initialization of hardware abstraction layer.The invention further relates to method of calling, uses
Call function is completed such as above-mentioned speech sound access equipment common hardware abstraction interface implementation method, below with the realization of Session Initiation Protocol
Process come describe these interface functions be how to cooperate to complete call function, shown in reference picture 2a and Fig. 2 b, mainly
Comprise the following steps：
A, Calling Side flow：
S1 Calling Side off-hooks；
S2 level of abstractions call handoff functionality（offhook）；
S3 application layers call player function（playtone）, band parameter is dialing tone；
S4 level of abstractions call the playback interface of hardware layer；
S5 Calling Sides dial；
S6 level of abstractions call dial feature（digithook）；
S7 accumulations send invitation message after collecting the digits（INVITE）；
S8 is recalled 180 message；
S9 application layers call playback interface, and parameter is ring-back tone；
S10 level of abstractions call the playback interface of hardware layer；
S11 is recalled 200 message；
S12 application layer call establishment media interfaces（add）, the interface sends the media of caller and callee side to abstract
Layer；
S13 level of abstractions call the media of hardware layer to create interface；
S14 Calling Sides report on-hook；
S15 level of abstractions call on-hook function（onhook）；
S16 application layers send byebye message（BYE）；
S17 application layers, which are called, deletes media function（subtract）Delete media information；
S18 level of abstractions call hardware layer interface, delete media；
B, callee side flow：
P1 receives invitation message（INVITE）；
P2 application layers call ringer function（ring）；
P3 level of abstractions call the ring interface of hardware layer；
P4 is called to send 180 message；
P5 callee side off-hooks；
P6 level of abstractions call handoff functionality（offhook）；
P7 is called to send 200 message；
P8 application layer call establishment media interfaces（add）, the interface sends the media of caller and callee side to level of abstraction；
P9 level of abstractions call the media of hardware layer to create interface；
P10 callee sides report on-hook；
P11 level of abstractions call on-hook function（onhook）；
P12 application layers send byebye message；
P13 application layers, which are called, deletes media function（subtract）Delete media information；
P14 level of abstractions call hardware layer interface, delete media.
Preferably, any one or more branch in above-mentioned steps S3, S6, S8, S11, S16, P2, P4, P5, P7 and P12
Hold fixed cycle operator,
From above-described embodiment as can be seen that advantage of the invention is that：
Voice common hardware interface management layer is proposed, by the management level, can easily access different hardware platforms,
Facilitate new hardware, the exploitation of new product；By using common hardware interface management, multiple hardware interface management can be realized simultaneously
Layer.After version is run, according to current hardware, hardware interface management level corresponding to selection.So, no matter how many hardware,
Developer only needs to safeguard a software version, greatly simplifies maintenance workload.
The specific embodiment of the present invention is described in detail above, but the present invention is not restricted to tool described above
Body embodiment, it is intended only as example.To those skilled in the art, any equivalent modifications and replacement are also all in the present invention
Category among.Therefore, made impartial conversion and modification without departing from the spirit and scope of the invention, should all cover
In the scope of the present invention.
Claims (9)
1. a kind of speech sound access equipment common hardware abstraction interface implementation method, the realization of the speech sound access equipment includes application
Layer, protocol layer and hardware device drivers layer, it is characterised in that added between the application layer and the hardware device drivers layer
Hardware abstraction layer, to shield concern of the application layer to specific hardware；The hardware abstraction layer include 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, institute
State initialization function, the basic configuration functional block and the media manipulation functional block to be called by the application layer, the thing
Part reporting functions block is called by the hardware abstraction layer, and the fixed cycle operator functional block is by the application layer and the hardware abstraction
Layer calls；The initialization function includes function of initializing and closing function, after normal process or application, calls
The corresponding function of initializing is to complete the initialization of the hardware abstraction layer, when when that no longer needs hardware abstraction layer institute
Stating application layer calls the closing function to close the hardware abstraction layer.
2. the speech sound access equipment common hardware abstraction interface implementation method according to claim 1, it is characterised in that described
Basic configuration functional block includes buffering area regulatory function and echo cancellation function.
3. the speech sound access equipment common hardware abstraction interface implementation method according to claim 1, it is characterised in that described
The event that reporting events functional block reports includes reporting off-hook event, reports onhook event, report flash event, report dialing thing
Part, report modulation /demodulation event.
4. speech sound access equipment common hardware abstraction interface implementation method according to claim 3, it is characterised in that the thing
The event that part reporting functions block reports also includes report fax event.
5. speech sound access equipment common hardware abstraction interface implementation method according to claim 3, it is characterised in that the thing
The event that part reporting functions block reports also includes report remote dial event.
6. the speech sound access equipment common hardware abstraction interface implementation method according to claim 1, it is characterised in that described
Media manipulation functional block include player function, stop sound function, to network side playback function, start ringer function, stop ring work(
Energy, caller ID functions, establish media function, modification media function and delete media function.
7. the speech sound access equipment common hardware abstraction interface implementation method according to claim 1, it is characterised in that described
Fixed cycle operator functional block starts function and timing end functions including timing.
8. a kind of method of calling, it is characterised in that taken out using the speech sound access equipment common hardware as described in claim 4 or 5
Call function is completed as interface realizing method, is comprised the following steps：
A, Calling Side flow：
S1 Calling Side off-hooks；
S2 level of abstractions call handoff functionality；
S3 application layers call player function, and band parameter is dialing tone；
S4 level of abstractions call the playback interface of hardware layer；
S5 Calling Sides dial；
S6 level of abstractions call dial feature；
S7 accumulations send invitation message after collecting the digits；
S8 is recalled 180 message；
S9 application layers call playback interface, and parameter is ring-back tone；
S10 level of abstractions call the playback interface of hardware layer；
S11 is recalled 200 message；
S12 application layer call establishment media interfaces, the interface send the media of caller and callee side to level of abstraction；
S13 level of abstractions call the media of hardware layer to create interface；
S14 Calling Sides report on-hook；
S15 level of abstractions call on-hook function；
S16 application layers send byebye message；
S17 application layers, which are called, deletes media function deletion media information；
S18 level of abstractions call hardware layer interface, delete media；
B, callee side flow：
P1 receives invitation message；
P2 application layers call ringer function；
P3 level of abstractions call the ring interface of hardware layer；
P4 is called to send 180 message；
P5 callee side off-hooks；
P6 level of abstractions call handoff functionality；
P7 is called to send 200 message；
P8 application layer call establishment media interfaces, the interface send the media of caller and callee side to level of abstraction；
P9 level of abstractions call the media of hardware layer to create interface；
P10 callee sides report on-hook；
P11 level of abstractions call on-hook function；
P12 application layers send byebye message；
P13 application layers, which are called, deletes media function deletion media information；
P14 level of abstractions call hardware layer interface, delete media.
9. method of calling according to claim 8, it is characterised in that above-mentioned steps S3, S6, S8, S11, S16, P2, P4,
Any one or more support fixed cycle operators in P5, P7 and P12.
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| CN105824295A (en) * | 2015-01-08 | 2016-08-03 | 中国航天科工集团第四研究院指挥自动化技术研发与应用中心 | Method, device and system for hardware device control |
| CN105391810B (en) * | 2015-11-06 | 2020-12-22 | 广东中星电子有限公司 | Terminal equipment interface device |
| CN110958590B (en) * | 2019-11-29 | 2023-09-22 | 上海上实龙创智慧能源科技股份有限公司 | Heterogeneous equipment integrated system based on multi-protocol edge computing gateway |
| CN111142978B (en) * | 2019-12-27 | 2024-01-30 | 杭州涂鸦信息技术有限公司 | Method and system for making telephone call based on intelligent voice equipment |
| CN113132922B (en) * | 2020-01-15 | 2022-09-09 | 成都鼎桥通信技术有限公司 | Method and device for playing group call prompt tone |
| CN111555969B (en) * | 2020-04-30 | 2021-10-22 | 杭州涂鸦信息技术有限公司 | Gateway based on Sub-G star network and mesh network |
| 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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Application publication date: 20140416 Assignee: Hangzhou Bolian Intelligent Technology Co.,Ltd. Assignor: Taizhou Jiji Intellectual Property Operation Co.,Ltd. Contract record no.: X2021330000763 Denomination of invention: Implementation method and calling method of general hardware abstract interface of voice access equipment Granted publication date: 20180406 License type: Common License Record date: 20211117 Application publication date: 20140416 Assignee: ZHEJIANG SUPCON TECHNOLOGY Co.,Ltd. Assignor: Taizhou Jiji Intellectual Property Operation Co.,Ltd. Contract record no.: X2021330000764 Denomination of invention: Implementation method and calling method of general hardware abstract interface of voice access equipment Granted publication date: 20180406 License type: Common License Record date: 20211117 |