CN107291637A - The method and apparatus of compatible polytypic mobile communication module in Android system - Google Patents
The method and apparatus of compatible polytypic mobile communication module in Android system Download PDFInfo
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Abstract
The present invention provides a kind of method and apparatus of polytypic mobile communication module compatible in Android system, and method includes：In RILD process initiations, the USB device list in Android system is read；The mobile communication module of compatibility is treated in identification from the USB device list；It is loaded into the RILD processes and treats the corresponding RIL storehouses of compatible mobile communication module with described；The RIL storehouses are registered in Android system.The invention enables Android system can compatible polytypic mobile communication module, whole process need not update Android system, the scene of the replacement of the old and new's mobile communication module and contrast test/use different mobile communication module is particularly suitable for use in, fabulous solution is provided for the mobile communication smart device manufacturer with development ability.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a method and a device for being compatible with multi-model mobile communication modules in an android system.
Background
In the android system, mobile communication modules of various different models need to be compatible. Different modules, usually require a dedicated RIL library provided by the module manufacturer to interact with the mobile communication module and to interface with the upper layers.
The RIL (Radio Interface layer) library provides an abstraction layer between Telephony services and Radio hardware. The RIL library is responsible for reliable transmission of data, transmission of AT commands, and resolution of responses. Typically, an Application Processor (AP) communicates with a wireless communication module (baseband/BP) via an AT command set.
At present, only a fixed RIL library can be imported into a starting parameter of the RILD process, or the starting parameter is specified in properties of the android system, it should be noted that the RILD process is a system process in the android system, and it is used for calling a RIL _ register () to register an interface interacting with a mobile communication module in the android system, and the interface is implemented in the RIL library. The existing method has the following problems:
1. the android system can only support a mobile communication module of a certain type;
2. when the model of the mobile communication module is changed, the android system is generally required to be updated because the configuration of the android system needs to be modified.
Disclosure of Invention
The present invention provides a method and apparatus for compatibility of multi-model mobile communication modules in an android system that overcomes or at least partially addresses the above-mentioned problems.
According to an aspect of the invention, a method for being compatible with a multi-model mobile communication module in an android system is provided, and the method comprises the following steps:
s1, reading a USB device list in the android system when the RILD process is started;
s2, identifying the mobile communication module to be compatible from the USB device list;
s3, loading an RIL library corresponding to the mobile communication module to be compatible in the RILD process;
and S4, registering the RIL library in the android system.
Preferably, the step S2 further includes:
s2.1, sending a power-on instruction to a USB interface connected with the mobile communication module to be compatible in the android system;
s2.2, circularly identifying all USB equipment in the USB equipment list according to the model of the mobile communication module to be compatible so as to identify the mobile communication module to be compatible.
Preferably, the RILD process loads the default RIL library when the mobile communication module is not recognized by the android system.
Preferably, the model of the mobile communication module includes a Vendor ID and a Product ID.
Preferably, the step S3 further includes: and loading parameters required by the RIL library, wherein the parameters comprise the port number of the pppd dialing and the script required by the pppd dialing.
Preferably, the step S4 further includes:
s4.1, obtaining an initialization function from the RIL library;
s4.2, obtaining an interface of the RIL library according to the parameters;
and S4.3, registering the RIL library in the android system according to the interface.
According to another aspect of the present invention, there is also provided an apparatus compatible with a multi-model mobile communication module in an android system, including:
the reading unit is used for reading a USB device list in the android system when the RILD process is started;
an identifying unit for identifying a mobile communication module to be compatible from the USB device list;
a loading unit, configured to load an RIL base corresponding to the mobile communication module to be compatible in the RILD process;
and the registration unit is used for registering the RIL library in the android system.
Preferably, the identification unit further comprises:
the power-on instruction sending subunit is used for sending a power-on instruction to a USB interface connected with the mobile communication module to be compatible in the android system;
and the cycle identification subunit is used for circularly identifying the currently used mobile communication module according to the model of the mobile communication module to be compatible in the USB device list.
According to another aspect of the present invention, there is also provided an apparatus compatible with a multi-model mobile communication module in an android system, including:
at least one processor, at least one memory, a communication interface, and a bus; wherein,
the processor, the memory and the communication interface complete mutual communication through the bus;
the communication interface is used for information transmission between the test equipment and the communication equipment of the display device;
the memory stores program instructions executable by the processor, and the processor calls the program instructions to execute the method for realizing compatibility of the multi-model mobile communication module in the android system.
According to another aspect of the present invention, there is also provided a non-transitory computer-readable storage medium storing computer instructions for causing the computer to perform the method for compatibility of a multi-model mobile communication module in an android system of the present invention.
The application provides a method and a device for being compatible with multiple models of mobile communication modules in an android system, when an RILD process is started, the mobile communication modules in a USB device list in the android system are identified, an RIL library corresponding to the mobile communication modules is loaded in the RILD process, and finally the RIL library is registered in the android system, so that the android system can be compatible with different mobile communication modules, the android system does not need to be updated in the whole process, the method and the device are particularly suitable for replacing new and old mobile communication modules and comparing and testing/using scenes of different mobile communication modules, and an excellent solution is provided for mobile communication intelligent device manufacturers with development capability.
Drawings
Fig. 1 is a flowchart of a method for enabling a multi-model mobile communication module to be compatible in an android system according to an embodiment of the present invention;
fig. 2 is a block diagram of a device compatible with multiple models of mobile communication modules in an android system according to an embodiment of the present invention;
fig. 3 is a block diagram of a device compatible with a multi-model mobile communication module in an android system according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The method aims to solve the problems of complex operation and low efficiency caused by the fact that in the prior art, the android system can only support a mobile communication module of a certain type, or the android system needs to be updated because the configuration of the android system needs to be modified when the type of the mobile communication module is changed. The invention provides a method for being compatible with multi-model mobile communication modules in an android system, which comprises the following steps of:
s1, reading a USB device list in the android system when the RILD process is started;
s2, identifying the mobile communication module to be compatible from the USB device list;
s3, loading an RIL library corresponding to the mobile communication module to be compatible in the RILD process;
and S4, registering the RIL library in the android system.
According to the method, when the RILD process is started, the mobile communication modules in the USB device list in the android system are identified, the RIL library corresponding to the mobile communication modules is loaded in the RILD process, and finally the RIL library is registered in the android system, so that the android system can be compatible with different mobile communication modules, the android system does not need to be updated in the whole process, the method is particularly suitable for replacing new and old mobile communication modules and comparing and testing/using scenes of different mobile communication modules, and an excellent solution is provided for mobile communication intelligent device manufacturers with development capability.
It can be understood that the mobile communication module in the embodiment of the present invention refers to a 3G/4G internet-accessing function module carried on a mobile device, the RIL library is generally provided by a manufacturer of the mobile communication module and is used for communicating with the mobile communication module to implement network functions, such as establishing and disconnecting a network connection, reading a SIM card, and the like, the RILD is a process in the android system, and more specifically, the RILD process is used to link the RILD library with a network management layer of the android system, and more specifically, the RILD process registers a standard interface (also referred to as an interface) implemented by the RIL library to the network management layer of the android system, and the network management layer of the android system is used to manage a state of a network and is implemented by calling the interface of the RIL library.
In an alternative embodiment, the step S2 further includes:
s2.1, sending a power-on instruction to a USB interface connected with the mobile communication module to be compatible in the android system;
s2.2, circularly identifying all USB equipment in the USB equipment list according to the model of the mobile communication module to be compatible so as to identify the mobile communication module to be compatible.
It should be noted that, starting from sending a power-on instruction to the USB interface, it takes some time for the mobile communication module to be identified by the android system from the start, so that the present invention can improve the discovery probability of identifying the mobile communication module to be compatible by attempting identification multiple times in a cyclic identification manner.
Specifically, in one embodiment, the code implementing step S2.1 is:
script/system/vendor/bin/3 g _ prepare.sh:
port＝`cat/sys/devices/platform/board/pm_3g_port`
echo 1>/sys/class/gpio_sw/$port/data
the code is used for realizing that: and reading the GIPO interface for powering on the USB from the file system, and setting the GIPO interface to be powered on at a high level.
Specifically, in one embodiment, the code implementing step S2.2 is:
script/system/vendor/bin/3 g _ prepare.sh:
it can be seen from the above codes that, the present invention obtains all current USB device lists through the lsub command, obtains the Vendor ID and Product ID of each USB device in the USB device list using the awk command, and identifies the mobile communication modules one by one in the for loop, thereby ensuring the accuracy of identification. Vendor ID and Product ID, namely "vendor identification" and "Product identification".
In the code, "1508:1001", "12d1:1c25" | "12d1:15c1", "1c9e:9e00", "1c9e:9603", "1c9e:9b05" and "19d2: ffeb" indicate the Vendor ID and product ID of the lsub command output; the nodecom module, the mu709 module, the c5300 module, the u6300 module, the u8300c module and the zte cdma module are all mobile communication modules to be compatible in the embodiment of the present invention, so that the present invention does not limit the compatible number of the mobile communication modules, and provides an excellent solution for manufacturers of mobile communication intelligent devices with development capability.
In an alternative embodiment, the RILD process loads the default RIL library when the mobile communication module is not recognized by the android system. Specifically, the code for implementing this step is:
libpath＝"libreference-ril-nodecom42_20170426.so"
args＝-d/dev/ttyUSB2
found＝false
isnodecom＝false
through the codes, the aim that the RILD process still has the RIL library to be loaded when the mobile communication module is not identified by the android system can be achieved.
It should be noted that the android system provides many interface functions, such as a callback function for registering the RIL base, and a processing function for communicating with the RIL base. Specifically, the method comprises the following steps:
it will be appreciated that the extern may be placed before the variable or function to indicate the definition of the variable or function in another file, prompting the compiler to find its definition in another module when encountering the variable or function.
It should be noted that, in order to identify the mobile communication module, obtain the name of the corresponding RIL base and the parameters to be introduced, the present invention provides a new function adjust _ libpath _ route ().
It should be noted that, the names and parameters of the RIL library are output by the script 3g _ prepare.sh, specifically:
it should be noted that, in the prior art, property _ get () or argv is used to obtain the name of the RIL library, but the property of property _ get () needs to be specified in/system/built.prop, and argv needs to be specified in the command line of service start in init.rc, and both ways of the prior art are to obtain the name of the RIL library statically, but as can be seen from the above codes of the embodiments of the present invention, the purpose of obtaining the RIL library dynamically is achieved by replacing the way of obtaining RIL library names through property _ get () or argv, which is used in the prior art, with adjust _ library _ route ().
rilLibPath＝adjust_libpath_routon(rilLibPath,args,&args_valid)；
ALOGD("\nrilLibPath＝％s\n\n",rilLibPath)；
It should be noted that rillibath indicates the name of the RIL library output to the RILD process; args represent parameters needed by the RIL library output to the RILD process; args _ valid indicates whether the parameter is valid.
In an alternative embodiment, the step S3 further includes: and loading parameters required by the RIL library, wherein the parameters comprise the port number of the pppd dialing and the script required by the pppd dialing. Specifically, the code for implementing this step is:
in an alternative embodiment, the step S4 further includes:
s4.1, obtaining an initialization function from the RIL library;
specifically, the code implementing step S4.1 is:
and S4.2, obtaining an interface of the RIL library according to the parameters. Specifically, the code implementing step S4.2 is: funcs ═ rilInit (& s _ rilEnv, argc, rilArgv);
and S4.3, registering the RIL library in the android system according to the interface. Specifically, the code implementing step S4.3 is:
according to the codes, the registration of the interface provided by the RIL library is realized through the RIL _ register (funcs), and the registered interface starts to work and is in a dead loop state according to the while statement. It is understood that an interface is a set of related functions.
In one embodiment, the invention also includes other mobile communication module related processing, such as ip processing after device dialing, disconnected script files. Specifically, the code is:
script/system/vendor/bin/3 g _ prepare.sh:
fig. 2 is a block diagram illustrating a structure of an apparatus for enabling a multi-model mobile communication module to be compatible in an android system according to an embodiment of the present invention, where the apparatus includes:
the reading unit is used for reading a USB device list in the android system when the RILD process is started;
an identifying unit for identifying a mobile communication module to be compatible from the USB device list;
a loading unit, configured to load an RIL base corresponding to the mobile communication module to be compatible in the RILD process;
and the registration unit is used for registering the RIL library in the android system.
This device is through when the RILD process starts, the mobile communication module in the USB equipment list in the discernment android system, and load the RIL storehouse that corresponds with the mobile communication module in the RILD process, register the RIL storehouse in the android system at last, make the android system can be compatible different mobile communication modules, whole process need not to update the android system, be particularly useful for old and new mobile communication module to replace and contrast the test/use the scene of different mobile communication modules, mobile communication intelligent device manufacturer who has development ability has provided fabulous solution.
In an alternative embodiment, the identification unit comprises:
the power-on instruction sending subunit is used for sending a power-on instruction to a USB interface connected with the mobile communication module to be compatible in the android system;
and the cycle identification subunit is used for circularly identifying the currently used mobile communication module according to the model of the mobile communication module to be compatible in the USB device list.
In an alternative embodiment, the load unit is further configured to: and loading parameters required by the RIL library, wherein the parameters comprise the port number of the pppd dialing and the script required by the pppd dialing.
In an alternative embodiment, the registration unit comprises:
an initialization subunit, configured to obtain an initialization function from the RIL base;
the acquisition interface subunit is used for acquiring an interface of the RIL library according to the parameters;
and the registration subunit is used for registering the RIL library in the android system according to the interface.
Fig. 3 shows a block diagram of a device compatible with a multi-model mobile communication module in an android system according to an embodiment of the present invention.
Referring to fig. 3, the apparatus for being compatible with multiple models of mobile communication modules in an android system includes: a processor (processor)301, a memory (memory)302, and a bus 303;
wherein, the processor 301 and the memory 302 complete the communication with each other through the bus 303;
the processor 301 is configured to call program instructions in the memory 302 to perform the methods provided by the above-mentioned method embodiments, including:
s1, reading a USB device list in the android system when the RILD process is started;
s2, identifying the mobile communication module to be compatible from the USB device list;
s3, loading an RIL library corresponding to the mobile communication module to be compatible in the RILD process;
and S4, registering the RIL library in the android system.
Another embodiment of the present invention discloses a computer program product comprising a computer program stored on a non-transitory computer-readable storage medium, the computer program comprising program instructions which, when executed by a computer, enable the computer to perform the methods provided by the above-mentioned method embodiments, for example, including:
s1, reading a USB device list in the android system when the RILD process is started;
s2, identifying the mobile communication module to be compatible from the USB device list;
s3, loading an RIL library corresponding to the mobile communication module to be compatible in the RILD process;
and S4, registering the RIL library in the android system.
Another embodiment of the invention provides a non-transitory computer-readable storage medium storing computer instructions that cause the computer to perform a method provided by the above method embodiments, for example, comprising:
s1, reading a USB device list in the android system when the RILD process is started;
s2, identifying the mobile communication module to be compatible from the USB device list;
s3, loading an RIL library corresponding to the mobile communication module to be compatible in the RILD process;
and S4, registering the RIL library in the android system.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
The above-described embodiments of a method and an apparatus for enabling multiple models of mobile communication modules to be compatible in an android system are merely illustrative, where the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may also be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, the method of the present application is only a preferred embodiment and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for being compatible with multi-model mobile communication modules in an android system is characterized by comprising the following steps:
s1, reading a USB device list in the android system when the RILD process is started;
s2, identifying the mobile communication module to be compatible from the USB device list;
s3, loading an RIL library corresponding to the mobile communication module to be compatible in the RILD process;
and S4, registering the RIL library in the android system.
2. The method for multi-model mobile communication module compatibility in android system of claim 1, wherein the step S2 further comprises:
s2.1, sending a power-on instruction to a USB interface connected with the mobile communication module to be compatible in the android system;
s2.2, circularly identifying all USB equipment in the USB equipment list according to the model of the mobile communication module to be compatible so as to identify the mobile communication module to be compatible.
3. The method of claim 2, wherein the RILD process loads a default RIL library when no mobile communication module is identified by the android system after multiple cycle identification.
4. The method of claim 2, wherein the model number of the mobile communication module comprises a Vendor ID and
Product ID。
5. the method for multi-model mobile communication module compatibility in android system as claimed in claim 1, wherein the step S3 further includes: and loading parameters required by the RIL library, wherein the parameters comprise the port number of the pppd dialing and the script required by the pppd dialing.
6. The method for multi-model mobile communication module compatibility in android system of claim 4, wherein the step S4 further comprises:
s4.1, obtaining an initialization function from the RIL library;
s4.2, obtaining an interface of the RIL library according to the parameters;
and S4.3, registering the RIL library in the android system according to the interface.
7. An apparatus for compatibility with multiple models of mobile communication modules in an android system, comprising:
the reading unit is used for reading a USB device list in the android system when the RILD process is started;
an identifying unit for identifying a mobile communication module to be compatible from the USB device list;
a loading unit, configured to load an RIL base corresponding to the mobile communication module to be compatible in the RILD process;
and the registration unit is used for registering the RIL library in the android system.
8. The apparatus of claim 7, wherein the identification unit further comprises:
the power-on instruction sending subunit is used for sending a power-on instruction to a USB interface connected with the mobile communication module to be compatible in the android system;
and the cycle identification subunit is used for circularly identifying the currently used mobile communication module according to the model of the mobile communication module to be compatible in the USB device list.
9. An apparatus compatible with multiple models of mobile communication modules in an android system, comprising:
at least one processor, at least one memory, a communication interface, and a bus; wherein,
the processor, the memory and the communication interface complete mutual communication through the bus;
the communication interface is used for information transmission between the test equipment and the communication equipment of the display device;
the memory stores program instructions executable by the processor, the processor invoking the program instructions to perform the method of any of claims 1 to 6.
10. A non-transitory computer-readable storage medium storing computer instructions that cause a computer to perform the method of any one of claims 1 to 6.
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Application publication date: 20171024 |