CN107368301A - A kind of serial ports framework agreement implementation method, storage medium and device - Google Patents
A kind of serial ports framework agreement implementation method, storage medium and device Download PDFInfo
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- CN107368301A CN107368301A CN201710500968.4A CN201710500968A CN107368301A CN 107368301 A CN107368301 A CN 107368301A CN 201710500968 A CN201710500968 A CN 201710500968A CN 107368301 A CN107368301 A CN 107368301A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4411—Configuring for operating with peripheral devices; Loading of device drivers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
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Abstract
The present invention discloses a kind of serial ports framework agreement implementation method, storage medium and device, wherein, method includes step：In HAL layer opens serial ports and create the reading thread of serial ports, write thread and the first socket interfaces for transmitting data；The api interface handled data is pre-created in ccf layer；When the reading thread of HAL layers detects the data that serial ports is sent, the data read are passed into ccf layer by the first socket interfaces；After the ccf layer receives the data and preserved, any process in android system calls the data in the ccf layer by the api interface；The present invention is by creating the reading thread of serial ports and writing thread, realize the read-write operation that data are provided for all processes in android system, the data read from same serial ports can be shared between i.e. different processes, effectively enhance the portability and reusability of data.
Description
Technical field
The present invention relates to serial equipment field, more particularly to a kind of serial ports framework agreement implementation method, storage medium and dress
Put.
Background technology
Serial equipment can only be opened, if another system process as an exclusive equipment by a system process
Or the read-write serial ports is wanted in application, after the process opened can only be waited to close the serial ports, another process could be allowed to beat
Open the serial ports；That is, two processes can not simultaneously be opened and obtain serial data.
In addition, when android system is handled serial data, prior art is typically all that string is opened inside process
The processing of data is directly written and read after jaws equipment, Android whole systems can not be supplied to enter the serial data read
Journey uses, and portability and the reusability that result in data are poor.
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of serial ports framework agreement implementation method,
Storage medium and device, it is intended to which solving existing serial data can not be supplied to Android whole systems process to use, and result in
The problem of portability and reusability of data are poor.
Technical scheme is as follows：
A kind of serial ports framework agreement implementation method, wherein, including step：
A, in HAL layer opens serial ports and create the reading thread of serial ports, write thread and the first socket for transmitting data connects
Mouthful；
B, the api interface handled data is pre-created in ccf layer；
C, when the reading thread of HAL layers detects the data that serial ports is sent, the data read are passed through into the first socket interfaces
Pass to ccf layer；
D, after the ccf layer receives the data and preserved, any process in android system is connect by the API
Mouth calls the data in the ccf layer.
Described serial ports framework agreement implementation method, wherein, also include after the step B：
Process in C ', android system is passed data in ccf layer by api interface；
The data received are passed to HAL layers by D ', the ccf layer by the first socket interfaces, and the HAL layers lead to
Cross and write thread by data write-in serial ports.
Described serial ports framework agreement implementation method, wherein, the step D ' also includes afterwards：
The feedback result is passed through the first socket by E ', serial ports to the data feedback result of write-in, the reading thread of the HAL layers
Interface passes to ccf layer, notifies that the process of data need to be called after the ccf layer processing feedback result.
Described serial ports framework agreement implementation method, wherein, the step B also includes：
B1, the 2nd socket interfaces for being used to monitor the first socket interfaces in ccf layer establishment one；
Described serial ports framework agreement implementation method, wherein, the step D also includes：
D1, when the 2nd socket interfaces listen to HAL layers by the first socket interfaces transmit data to ccf layer when, notify institute
State ccf layer and read the data.
A kind of storage medium, wherein, a plurality of instruction is stored with, the instruction is suitable to be loaded and performed by processor：
In HAL layer opens serial ports and create the reading thread of serial ports, write thread and the first socket interfaces for transmitting data；
The api interface handled data is pre-created in ccf layer；
When the reading thread of HAL layers detects the data that serial ports is sent, the data read are passed by the first socket interfaces
Pass ccf layer；
After the ccf layer receives the data and preserved, any process in android system passes through the api interface
Call the data in the ccf layer.
Described storage medium, wherein, a plurality of instruction is stored with, the instruction is suitable to be loaded and performed by processor：
Process in android system is passed data in ccf layer by api interface；
The data received are passed to HAL layers by the ccf layer by the first socket interfaces, and the HAL layers are by writing
Thread writes the data in serial ports.
Described storage medium, wherein, a plurality of instruction is stored with, the instruction is suitable to be established and on holding by processor
OK：
Serial ports is connect the feedback result by the first socket to the data feedback result of write-in, the reading thread of the HAL layers
Ccf layer is passed in oral instructions, notifies that the process of data need to be called after the ccf layer processing feedback result.
Described storage medium, wherein, a plurality of instruction is stored with, the instruction is suitable to be established and on holding by processor
OK：
The 2nd socket interfaces for being used to monitor the first socket interfaces are created in ccf layer；
When the 2nd socket interfaces, which listen to HAL layers, transmits data to ccf layer by the first socket interfaces, described in notice
Ccf layer reads the data.
A kind of serial ports framework agreement realization device, wherein, including processor, it is adapted for carrying out an instruction；And memory, fit
In storing a plurality of instruction, the instruction is suitable to be recorded as processor and the serial ports framework agreement reality described in performing above-mentioned any one
The step of existing method.
Beneficial effect：The present invention creates reading thread in Android HAL layers and first the data that serial ports is sent is read out,
Then pass data to ccf layer by the first socket interfaces to be handled, ccf layer enters Android whole systems
Journey provides the api interface for obtaining the data；Created in Android HAL layers and write thread, ccf layer is to whole Android systems
System process provides the api interface of write-in data, when the api interface of each process or application call ccf layer of Android systems
To serial ports write data when, ccf layer passes data to the write-in thread of HAL layers by the first socket interfaces, finally again by
Write-in thread is write the data in serial ports；The present invention is realized as Android systems by creating the reading thread of serial ports and writing thread
All processes provide the read-write operation of data in system, effectively enhance the portability and reusability of data.
Brief description of the drawings
Fig. 1 is a kind of flow chart of serial ports framework agreement implementation method preferred embodiment of the present invention.
Fig. 2 is a kind of structured flowchart of serial ports framework agreement realization device preferred embodiment of the present invention.
Embodiment
The present invention provides a kind of serial ports framework agreement implementation method, storage medium and device, to make the purpose of the present invention, skill
Art scheme and effect are clearer, clear and definite, and the present invention is described in more detail below.It should be appreciated that tool described herein
Body embodiment only to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, Fig. 1 is a kind of flow chart of serial ports framework agreement implementation method preferred embodiment of the present invention, such as scheme
Shown, it includes step：
S100, in HAL layer opens serial ports and create the reading thread of serial ports, write thread and the first socket for transmitting data
Interface；
S200, the api interface handled data is pre-created in ccf layer；
S300, when the reading thread of HAL layers detects the data that serial ports is sent, the data read are connect by the first socket
Ccf layer is passed in oral instructions；
After S400, the ccf layer receive the data and preserved, any process in android system passes through the API
Data in ccf layer described in interface interchange.
In the prior art, two processes can not open serial ports simultaneously and obtain corresponding data simultaneously, that is to say, that when
After one process opens serial ports and reads and writes corresponding data, the data can not be supplied to other processes in android system to make
With so as to cause the portability of data and reusability poor.
To solve the problems of prior art, the present invention reads thread and right by being created in Android HAL layers
The data that serial ports is sent are read out, and then passing data to ccf layer by the first socket interfaces is handled, framework
Layer provides the process of Android whole systems the api interface for obtaining the data；
Further, thread is write in Android HAL layers establishment, ccf layer provides write-in number to whole android system process
According to api interface, when Android systems each process or application call ccf layer api interface to serial ports write data
When, ccf layer passes data to the write-in thread of HAL layers by the first socket interfaces, finally again by write-in thread data
Write in serial ports；
The present invention realizes the read-write operation that data are provided for all processes in android system, i.e. difference by above-mentioned steps
Process between can share the data read from same serial ports, effectively enhance the portability and reusable of data
Property.
Specifically, in the step S10, Android HAL layers are passed through（Hardware adaptation layer）A certain serial ports is opened, together
When create the serial ports reading thread and write thread；Because HAL layers need to be communicated with ccf layer, therefore also in the HAL
The first socket for being used to transmit data is created on layer（Socket）Interface, the data are to read or write from serial ports
The data entered.
Further, the step S20 is specifically included, and the api interface handled data is pre-created in ccf layer
And the 2nd socket interfaces for being monitored the first socket interfaces；Specifically, the api interface is mainly fitted
Called for other processes for Android whole systems, so as to obtain the data read from serial ports.
Further, in the step S30, the HAL layers monitor the read-write handle of serial ports in real time, when the reading line of HAL layers
When journey detects that serial ports there are data to need to read, then digital independent is come out from serial ports by reading thread, will read afterwards
Data ccf layer is passed to by the first socket interfaces.
Further, the step S40 is specifically included, when the 2nd socket interfaces listen to HAL layers by first
When socket interfaces transmit data to ccf layer, notify the ccf layer to read the data and preserved the data；
Afterwards, other processes in android system or application can transfer the api interface being pre-created in ccf layer and obtain preservation
Data in ccf layer.
Obviously it can be realized by the above-mentioned steps present invention and share what is read from same serial ports between different processes
Data, so as to strengthen the portability of data and reusability.
Further, the present invention, which can also realize, is written to the data in android system operation process in serial ports, specific step
Suddenly include：
Process in S210, android system is passed data in ccf layer by api interface；
The data received are passed to HAL layers, the HAL layers by S310, the ccf layer by the first socket interfaces
The data are write in serial ports by writing thread；
Specifically, each process in android system, including application is if it is intended to broadcast data to serial ports；Tune can be passed through
Passed data to the api interface being pre-created in ccf layer in ccf layer, the ccf layer presses the data necessarily
After form is packaged, the data transfer is given to HAL layers by the first socket interfaces；The HAL layers notify after receiving data
The thread of writing of HAL layers is handled the data, is write data into after the completion of processing in serial ports；
Further, the feedback result is passed through first by serial ports to the data feedback result of write-in, the reading thread of the HAL layers
Socket interfaces pass to ccf layer, notify that the process of data need to be called after the ccf layer processing feedback result, realize data
Shared in each process.
Based on the above method, the present invention also provides a kind of storage medium, wherein, a plurality of instruction is stored with, the instruction is suitable
In being loaded by processor and performed：
In HAL layer opens serial ports and create the reading thread of serial ports, write thread and the first socket interfaces for transmitting data；
The api interface handled data is pre-created in ccf layer；
When the reading thread of HAL layers detects the data that serial ports is sent, the data read are passed by the first socket interfaces
Pass ccf layer；
After the ccf layer receives the data and preserved, any process in android system passes through the api interface
Call the data in the ccf layer.
Described storage medium, wherein, a plurality of instruction is stored with, the instruction is suitable to be loaded and performed by processor：
Process in android system is passed data in ccf layer by api interface；
The data received are passed to HAL layers by the ccf layer by the first socket interfaces, and the HAL layers are by writing
Thread writes the data in serial ports.
Described storage medium, wherein, a plurality of instruction is stored with, the instruction is suitable to be established and on holding by processor
OK：
Serial ports is connect the feedback result by the first socket to the data feedback result of write-in, the reading thread of the HAL layers
Ccf layer is passed in oral instructions, notifies that the process of data need to be called after the ccf layer processing feedback result.
Described storage medium, wherein, a plurality of instruction is stored with, the instruction is suitable to be established and on holding by processor
OK：
The 2nd socket interfaces for being used to monitor the first socket interfaces are created in ccf layer；
When the 2nd socket interfaces, which listen to HAL layers, transmits data to ccf layer by the first socket interfaces, described in notice
Ccf layer reads the data.
Further, the present invention also provides a kind of serial ports framework agreement realization device, wherein, including processor 10, suitable for reality
Existing instruction；And memory 20, suitable for storing a plurality of instruction, the instruction is suitable to be recorded by processor 10 and performed above-mentioned
Meaning one described in serial ports framework agreement implementation method the step of.
Specifically, the processor 10 can be a central processing unit in certain embodiments, microprocessor or other
Data processing chip, for running the program code stored in the memory 20 or processing data.
The memory 20 can be the internal storage unit of described device in certain embodiments, such as the device is hard
Disk or internal memory.The memory 20 can also be the external memory storage of described device in further embodiments, such as the dress
Put the plug-in type hard disk of outfit, intelligent memory card（Smart Media Card, SMC）, secure digital（Secure
Digital, SD）Card, flash card（Flash Card）Deng.
Further, the memory 20 can also both include the internal storage unit of described device or including external storage
Device.The memory 20 is used to store the application software and Various types of data for being installed on described device.The memory 20 may be used also
For temporarily storing the data that has exported or will export.
In summary, the serial ports framework agreement implementation method provided by the invention based on Android platform, by existing in advance
Android HAL layers, which create, to be read thread the data that serial ports is sent is read out, then by the first socket interfaces by number
Handled according to ccf layer is passed to, the API that ccf layer provides the process of Android whole systems the acquisition data connects
Mouthful；Created in Android HAL layers and write thread, the API that ccf layer provides write-in data to whole android system process connects
Mouthful, when the api interface of each process or application call ccf layer of Android systems writes data to serial ports, ccf layer leads to
The write-in thread that the first socket interfaces pass data to HAL layers is crossed, is finally write the data to again by write-in thread in serial ports；
The present invention realizes the reading that data are provided for all processes in android system by creating the reading thread of serial ports and writing thread
Write operation, effectively enhance the portability and reusability of data.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect scope.
Claims (10)
1. a kind of serial ports framework agreement implementation method, it is characterised in that including step：
A, in HAL layer opens serial ports and create the reading thread of serial ports, write thread and the first socket for transmitting data connects
Mouthful；
B, the api interface handled data is pre-created in ccf layer；
C, when the reading thread of HAL layers detects the data that serial ports is sent, the data read are passed through into the first socket interfaces
Pass to ccf layer；
D, after the ccf layer receives the data and preserved, any process in android system is connect by the API
Mouth calls the data in the ccf layer.
2. serial ports framework agreement implementation method according to claim 1, it is characterised in that also include after the step B：
Process in C ', android system is passed data in ccf layer by api interface；
The data received are passed to HAL layers by D ', the ccf layer by the first socket interfaces, and the HAL layers lead to
Cross and write thread by data write-in serial ports.
3. serial ports framework agreement implementation method according to claim 2, it is characterised in that the step D ' is also wrapped afterwards
Include：
The feedback result is passed through the first socket by E ', serial ports to the data feedback result of write-in, the reading thread of the HAL layers
Interface passes to ccf layer, notifies that the process of data need to be called after the ccf layer processing feedback result.
4. serial ports framework agreement implementation method according to claim 1, it is characterised in that the step B also includes：
B1, the 2nd socket interfaces for being used to monitor the first socket interfaces in ccf layer establishment one.
5. serial ports framework agreement implementation method according to claim 4, it is characterised in that the step D also includes：
D1, when the 2nd socket interfaces listen to HAL layers by the first socket interfaces transmit data to ccf layer when, notify institute
State ccf layer and read the data.
6. a kind of storage medium, it is characterised in that be stored with a plurality of instruction, the instruction is suitable to be loaded and performed by processor：
In HAL layer opens serial ports and create the reading thread of serial ports, write thread and the first socket interfaces for transmitting data；
The api interface handled data is pre-created in ccf layer；
When the reading thread of HAL layers detects the data that serial ports is sent, the data read are passed by the first socket interfaces
Pass ccf layer；
After the ccf layer receives the data and preserved, any process in android system passes through the api interface
Call the data in the ccf layer.
7. storage medium according to claim 6, it is characterised in that be stored with a plurality of instruction, the instruction be suitable to by
Reason device is loaded and performed：
Process in android system is passed data in ccf layer by api interface；
The data received are passed to HAL layers by the ccf layer by the first socket interfaces, and the HAL layers are by writing
Thread writes the data in serial ports.
8. storage medium according to claim 7, it is characterised in that be stored with a plurality of instruction, the instruction be suitable to by
Reason device is established and on performing：
Serial ports is connect the feedback result by the first socket to the data feedback result of write-in, the reading thread of the HAL layers
Ccf layer is passed in oral instructions, notifies that the process of data need to be called after the ccf layer processing feedback result.
9. storage medium according to claim 6, it is characterised in that be stored with a plurality of instruction, the instruction be suitable to by
Reason device is established and on performing：
The 2nd socket interfaces for being used to monitor the first socket interfaces are created in ccf layer；
When the 2nd socket interfaces, which listen to HAL layers, transmits data to ccf layer by the first socket interfaces, described in notice
Ccf layer reads the data.
10. a kind of serial ports framework agreement realization device, it is characterised in that including processor, be adapted for carrying out an instruction；And storage
Device, suitable for storing a plurality of instruction, the instruction is suitable to be recorded as processor and described in performing the claims 1-5 any one
Serial ports framework agreement implementation method the step of.
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| CN201710500968.4A CN107368301B (en) | 2017-06-27 | 2017-06-27 | Serial port frame protocol implementation method, storage medium and device |
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