gsensor_name	The title of the module supported
		gsensor_direct_x	X-direction
gsensor_direct_y	Y direction
		gsensor_direct_z	Z-direction
gsensor_xy_revert	XY direction is the need of reversion

Table 1

In described step S100, described corresponding Sensor_t structure is set for each Sensor equipment, specifically includes following steps:

S103, according to different Sensor equipment, the description information of corresponding Sensor_t structure is set；See Fig. 7, Fig. 7 to illustrate embodiment of the present invention migration process method and implement the description information arranging Sensor_t structure.

When configuration parameter, need to arrange Gsensor direction variable, the path of configuration parameter file；And the information such as the Sensor_t structure that respective Sensor is set.

It is preferred that as a kind of embodiment, described Sensor_t structure is used for describing Sensor equipment characteristic information；Information described by described Sensor_t structure includes the information such as the title of sensor, the version of sensor, the handle of sensor, the type of sensor, the maximum magnitude of sensor, the resolution of sensor, the consumption energy of sensor, interval of events minimum time.Any one sensor equipment being required for arranging a sensor_t structure, illustrates, Fig. 7 illustrates the particular content of above-mentioned information.Information described by Sensor_t structure includes above-mentioned information, but is not limited to this, and this is repeated by the embodiment of the present invention the most one by one.

Specifically, because the structure of Sensor_t that different module uses describes information and differs use, therefore all use Sensor_t structure to describe accordingly the module supported, describe calling of information accordingly according to the hardware device read.

It is preferred that as a kind of embodiment, in described step S200, described Sensors HAL layer, according to generating the node corresponding with Sensors equipment, determines title and the module of the current registered Sensors equipment of acquisition, comprises the steps:

S201, after the Driver of current Sensors equipment is registered to the input subsystem of Linux, that Sensors HAL layer generates according to described input subsystem and with described current Sensors equipment node one to one storage position, finds the input equipment storage position that described current Sensors equipment is corresponding；

Wherein: the node of described equipment is present under "/sys/class/input/inputX " catalogue, and X is positive integer, X numerical value is equal to the input sequence sequence number corresponding according to the input equipment of linux system；X numerical value carries out ascending order arrangement along with input sequence；Such as: the node of Input equipment is present under "/sys/class/input/inputX " catalogue, X is the numerical value such as 1,2,3,4, carries out the increase of ascending order according to the input equipment of system.

S202, the title of the Sensors equipment utilized under function read reading/sys/class/input/inputX；

S203, the title of the Sensors equipment of described reading is compared with the title of Sensors equipment driving platform to arrange, find the consistent module of title with the Sensors equipment of described reading in hardware；

S204, the node path determining current registered Sensors equipment and the value of X.

In above-mentioned steps S200, when the Driver of Sensors equipment is by input (input) subsystem being registered to linux, it will generate the node corresponding with equipment, Sensors HAL layer can find corresponding equipment according to the node generated.(operate hardware device and i.e. operate the function interface of respective nodes).

It is preferred that as a kind of embodiment, in described step S300, described read direction variable configuration file also resolves Sensor direction value, the Sensor direction value preset described in comparison and required Sensor direction value, adjust the direction of Sensor equipment, comprise the steps:

When reading true value, default Sensor direction value is positive direction value；When reading false value, default Sensor direction value is negative direction value；Described positive direction value is positive number+1, and described negative direction value is negative-1；Judge that the direction value of required Sensor is the most consistent with the Sensor direction value preset, if it is judged that be consistent, then will need not adjust the direction of Sensor；If it is judged that be inconsistent, by the direction adjusting Sensor it is and the opposite direction presetting Sensor direction then.As shown in Figure 8, Fig. 8 illustrates the reading acetonideexample of a Sensor equipment.

It is preferred that as a kind of embodiment, in described S400 step, the Sensor_t structure information that described acquisition Sensor equipment is corresponding, the module used is added in sensor list, comprise the steps: in hardware

In described S500 step, the poll function in described startup corresponding thread dispatching Sensors HAL layer obtains the data of bottom relevant device and comprises the steps:

Wherein: G is unit value and is constant, and the G-value that different types of Sensor equipment is corresponding is different；Conversion value is constant, and the conversion value that different types of Sensor equipment is corresponding is different.

For example, conversion formula (G/ conversion value) × direction value × report value is utilized) i.e. can get spendable numerical value in system, G is unit value, and the G-value such as Gsensor is 9.81.Conversion value is also the constant arranged, and obtain only in real time reports value different, and the most above-mentioned formula can realize the conversion operation of data.By perform conversion operation, the data that Driver is reported be converted to android system can data.

Illustrate, the Sensor equipment of different manufacturers, the figure place of data output is different, some is 8, and some is ten, and the numerical value reported in Driver is int categorical data, and the float type used in android system, and Sensors has special unit value and numerical range, if gravity sensing sensor is with G(9.81) for maximum output valve, it is therefore desirable to the data that Driver is reported be converted to android system can data.

Generally speaking, the migration process method that the embodiment of the present invention is provided is achieved by the steps of:

The first step: initiation parameter is set；

Second step: read the device name of registration in device drives, and carry out mating so that it is determined that the Sensor equipment that uses in system with defined device name；

3rd step: resolve configuration file, reads the direction value of corresponding module in gSensor.cfg according to the title of module, and different Sensor needs the parameter value that carries out changing；Have only to when poor direction is true revise the parameter in this file；

4th step: according to reading the title of facility registration in driving, add corresponding sensor list；

5th step: android system starts the poll function in corresponding thread dispatching Sensors HAL layer and obtains the data of bottom relevant device.

The migration process method essence that the embodiment of the present invention is provided is: in being driven by reading, the device name of registration carries out calling of corresponding Gsensor interface dynamically, the direction of Gsensor is extracted one configuration file of formation, it is gsensor.cfg file by the name definition of this document, deposit in system /system/usr/ path under, the direction of all Gsensor supported in system is write wherein；By to drive in the device name that reads carry out mating and resolve configuration file and obtain the information such as transfer parameter value of the direction value of used Gsensor and the use of corresponding Sensor_t structure, module.

Wherein, the hardware abstraction layer of the Sensor that the embodiment of the present invention is provided mainly is called by poll and returns the data obtained from lower floor, changes accordingly and reports system use afterwards.Hardware abstraction layer need the structure building a Sensor_t type represent corresponding equipment module；Process for data, mainly conversion parameter and direction, the precision of different modules and resolution are all different, and the key point that therefore the multiple Sensor of hardware abstraction layer realizes is Sensor_t structure, the process of module direction and precision resolution etc..The migration process method that the embodiment of the present invention is provided can compatible multiple Gsensor equipment, by judging that hardware device carries out the realization of the corresponding interface dynamically, Sensor equipment can be replaced quickly and easily and realize the adjustment of Sensor device orientation rapidly, without carrying out new compiling and configuration.

Based on same inventive concept, the embodiment of the present invention additionally provides the migration process device of the compatible multiple Sensor equipment of the same race of a kind of android system Sensor HAL layer, owing to the migration process method of the principle of this device solution problem multiple of the same race Sensor equipment compatible to aforementioned a kind of android system Sensor HAL layer is similar, therefore the enforcement of this device may refer to the enforcement of preceding method, repeats no more in place of repetition.

The migration process device 10 of the compatible multiple Sensor equipment of the same race of a kind of android system Sensor HAL layer that the embodiment of the present invention provides, as shown in Figure 9, described migration process device 10 includes that initialization module 91, equipment read module 92, direction adjusting module 93, module add module 94 and data read module 95, wherein:

Described initialization module 91, for driving according to the Sensors supported in linux system, carries out initialization process to Sensor HAL layer；When initializing, title and the conversion value of all modules driving platform to be supported is set；Preset Gsensor direction value path and the path of Sensor equipment, preset the identification title of Gsensor direction variable and configure corresponding direction variable configuration file；For different Sensor equipment, corresponding Sensor_t structure is set；Wherein, the title of each module of setting and the device name one_to_one corresponding in Sensor facility registration to Linux input subsystem；

Described equipment read module 92, is used for after the Driver of Sensors equipment is registered to the input subsystem of Linux, the node that Sensors HAL layer is corresponding according to generating Sensors equipment, determines title and the module obtaining current registered Sensors equipment；

Described direction adjusting module 93, after determining obtain current registered Sensor device name at Android HAL layer, path according to default Sensor device orientation value, read described direction variable configuration file and resolve the Sensor direction value preset, the Sensor direction value preset described in comparison and required Sensor direction value, adjust the direction of Sensor equipment；

Described module adds module 94, for obtaining the Sensor_t structure information that Sensor equipment is corresponding, is added to by the module used in sensor list, it is achieved described module is registered to Android layer in hardware；

Described data read module 95, starts the poll function in corresponding thread dispatching Sensors HAL layer for described Android layer and obtains the data of bottom relevant device.

It is preferred that as a kind of embodiment, described initialization module 91 includes that record sub module, direction are preset submodule and first and arranged submodule, wherein:

It is preferred that as a kind of embodiment, described equipment read module 92 includes searching submodule, the first reading submodule, comparer module and determining submodule, wherein:

Described lookup submodule, after the input subsystem being registered to Linux at the Driver of current Sensors equipment, that Sensors HAL layer generates according to described input subsystem and with described current Sensors equipment node one to one storage position, finds the input equipment storage position that described current Sensors equipment is corresponding；

It is preferred that as a kind of embodiment, described direction adjusting module 93 includes mating analyzing sub-module and adjusting submodule, wherein:

It is preferred that as a kind of embodiment, described module adds module 94 and includes that module adds submodule, wherein:

Described data read module 95 includes that data convert and reports submodule, wherein:

The migration process method and device of the compatible multiple Sensor equipment of the same race of a kind of android system Sensor HAL layer that the embodiment of the present invention provides, wherein method includes arranging initiation parameter；Read the device name of registration in device drives, and mate with defined device name, determine the Sensor equipment used in system；Resolve configuration file, need the parameter value carrying out changing that the adjustment with direction is set according to direction value and the different Sensor of corresponding module in the title reading configuration file of module；According to the title of facility registration in the driving read, add corresponding equipment to sensor list；Android system starts the poll function in corresponding thread dispatching Sensors HAL layer and obtains the data of bottom relevant device.

The compatible multiple Sensor equipment of migration process method and device of the compatible multiple Sensor equipment of the same race of the android system Sensor HAL layer that the embodiment of the present invention provides, can judge that hardware device is to carry out the realization of the corresponding interface dynamically, thus replace Sensor equipment rapidly and realize the adjustment of Sensor device orientation, without carrying out new compiling and configuration operation.

Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims

1. the migration process of the compatible multiple Sensor equipment of the same race of android system Sensor HAL layerMethod, it is characterised in that comprise the steps:

Drive according to the Sensors supported in linux system, Sensor HAL layer is carried out initialization process；When initializing, title and the conversion value of all modules driving platform to be supported is set；Preset GsensorDirection value path and the path of Sensor equipment, preset the identification title of Gsensor direction variable and configure phaseThe direction variable configuration file answered；For different Sensor equipment, corresponding Sensor_t structure is set；ItsIn, the title of each module of setting and the implementor name in Sensor facility registration to Linux input subsystemClaim one_to_one corresponding；

After the Driver of Sensors equipment is registered to the input subsystem of Linux, Sensors HAL layer rootAccording to generating node corresponding to Sensors equipment, determine obtain current registered Sensors equipment title andModule；

After Android HAL layer determines and obtains current registered Sensor device name, according to defaultThe path of Sensor device orientation value, reads described direction variable configuration file and resolves the Sensor side presetTo value, the Sensor direction value preset described in comparison and required Sensor direction value, adjust Sensor equipmentDirection；

Obtain the Sensor_t structure information that Sensor equipment is corresponding, the module used in hardware is added toIn sensor list, it is achieved described module is registered to Android layer；

Described Android layer starts the poll function in corresponding thread dispatching Sensors HAL layer and obtains bottomThe data of relevant device；

Wherein, the described title arranging all modules driving platform to be supported and conversion value comprise the steps:

After the title determining all modules driving platform to be supported and conversion value, structure name is utilized to rememberThe device name of record module and the conversion value of Sensor；Wherein: conversion value is Sensor equipmentThe maximum that Driver reports；

The Sensor_t structure information that described acquisition Sensor equipment is corresponding, adds the module used in hardwareIt is added in sensor list, comprises the steps:

The driving platform at the title place according to module stores position, obtains corresponding Sensor_t structure letterBreath, utilizes get_sensors_list function to be added in sensor list by the module used in hardware；

Poll function in described startup corresponding thread dispatching Sensors HAL layer obtains bottom relevant deviceData comprise the steps:

Utilize Poll function to report value by reading in real time, carry out corresponding data conversion according to conversion formula, andUse numerically offering android system after conversion；

Migration process method the most according to claim 1, it is characterised in that described default GsensorThe identification title of direction variable also configures corresponding direction variable configuration file, comprises the steps:

According to the title of different modules, it is respectively provided with the direction of the X, Y, Z axis of corresponding module and whether willThe mark of XY axle exchange；The identification title of described Gsensor direction variable is for identifying the side of Sensor equipmentTo value；By the Gsensor direction variable information configuration of setting in direction variable configuration file Gsensor.cfgAnd preserve；

Migration process method the most according to claim 1, it is characterised in that described Sensors HALLayer, according to generating the node corresponding with Sensors equipment, determines the current registered Sensors equipment of acquisitionTitle and module, comprise the steps:

After the Driver of current Sensors equipment is registered to the input subsystem of Linux, Sensors HALThat layer generates according to described input subsystem and with described current Sensors equipment node one to one storagePosition, finds the input equipment storage position that described current Sensors equipment is corresponding；

Wherein: the node of described equipment is present under "/sys/class/input/inputX " catalogue, and X is the most wholeNumber, X numerical value is equal to the input sequence sequence number corresponding according to the input equipment of linux system；X numerical value is along with defeatedEnter order and carry out ascending order arrangement；

The title of the title of the Sensors equipment of described reading with the Sensors equipment driving platform to arrange is enteredRow compares, and finds the consistent module of title with the Sensors equipment of described reading in hardware；

Determine node path and the value of X of current registered Sensors equipment.

Migration process method the most according to claim 1, it is characterised in that described read direction variableConfiguration file also resolves Sensor direction value, the Sensor direction value preset described in comparison and required Sensor sideTo value, adjust the direction of Sensor equipment, comprise the steps:

Utilize function Gsensor_cfg read direction variable configuration file Gsensor.cfg, describedGsensor.cfg file determines, in all modules of record, the mould mated with the Sensor device name readGroup, and resolve the Sensor direction value that corresponding coupling module is preset；

When reading true value, default Sensor direction value is positive direction value；When reading false value,The Sensor direction value preset is negative direction value；Described positive direction value is positive number+1, and described negative direction value is negativeNumber-1；Judge that the direction value of required Sensor is the most consistent with the Sensor direction value preset, if it is determined thatResult is consistent, then will need not adjust the direction of Sensor；If it is judged that be inconsistent, then will adjustThe direction of whole Sensor is and the opposite direction presetting Sensor direction.

Migration process method the most according to claim 1, it is characterised in that described Sensor_t structureBody is used for describing Sensor equipment characteristic information；

Information described by described Sensor_t structure includes the title of sensor, the version of sensor, sensingThe handle of device, the type of sensor, the maximum magnitude of sensor, the resolution of sensor, the disappearing of sensorPower consumption source, interval of events minimum time.

6. the migration process of the compatible multiple Sensor equipment of the same race of android system Sensor HAL layerDevice, it is characterised in that include that initialization module, equipment read module, direction adjusting module, module addAdd module and data read module, wherein:

Described initialization module, for driving according to the Sensors supported in linux system, to SensorHAL layer carries out initialization process；When initializing, the title of all modules driving platform to be supported is setAnd conversion value；Preset Gsensor direction value path and the path of Sensor equipment, preset Gsensor direction and becomeAmount identification title and configure corresponding direction variable configuration file；Arrange accordingly for different Sensor equipmentSensor_t structure；Wherein, the title of each module of setting and Sensor facility registration to LinuxDevice name one_to_one corresponding in input subsystem；

Described equipment read module, for being registered to the input subsystem of Linux at the Driver of Sensors equipmentAfter system, the node that Sensors HAL layer is corresponding according to generating Sensors equipment, determine that acquisition is current registeredThe title of Sensors equipment and module；

Described direction adjusting module, obtains current registered Sensor for determining at Android HAL layerAfter device name, according to the path of default Sensor device orientation value, read described direction variable configuration literary compositionPart also resolves the Sensor direction value preset, the Sensor direction value preset described in comparison and required Sensor sideTo value, adjust the direction of Sensor equipment；

Described module adds module, for obtaining the Sensor_t structure information that Sensor equipment is corresponding, and willThe module used in hardware adds in sensor list, it is achieved described module is registered to Android layer；

Described data read module, starts corresponding thread dispatching Sensors HAL for described Android layerPoll function in Ceng obtains the data of bottom relevant device；

Wherein, described initialization module includes record sub module；

Described record sub module, for determining title and the conversion value of all modules driving platform to be supportedAfter, utilize device name and the conversion value of Sensor of structure name record module；Wherein: conversionValue is the maximum that the Driver of Sensor equipment reports；

Described module adds module and includes that module adds submodule, wherein:

Described module adds submodule, is used for according to storing position in the driving platform at the title place of module,Obtain corresponding Sensor_t structure information, utilize get_sensors_list function to be added by the module used in hardwareIt is added in sensor list；

Described data convert and report submodule, are used for utilizing Poll function to report value by reading in real time, according to turningChange formula and carry out corresponding data conversion, and use numerically offering android system after conversion；

Migration process device the most according to claim 6, it is characterised in that described initialization module is alsoPreset submodule and first including direction and submodule be set, wherein:

Submodule is preset in described direction, for the title according to different modules, be respectively provided with corresponding module X,Y, the direction of Z axis and the mark whether XY axle exchanged；The identification name of described Gsensor direction variableClaim the direction value for identifying Sensor equipment；By the Gsensor direction variable information configuration of setting in directionIn variable configuration file Gsensor.cfg and preserve；

Described first arranges submodule, for according to different Sensor equipment, arranges corresponding Sensor_t knotThe description information of structure body.

Migration process device the most according to claim 6, it is characterised in that described equipment read moduleIncluding searching submodule, the first reading submodule, comparer module and determining submodule, wherein:

Described lookup submodule, for being registered to input of Linux at the Driver of current Sensors equipmentAfter system, that Sensors HAL layer generates according to described input subsystem and with described current Sensors equipmentThe storage position of node one to one, finds the input equipment storage that described current Sensors equipment is correspondingPosition；

Described first reading submodule, is used for utilizing under function read reading/sys/class/input/inputXThe title of Sensors equipment；

Described comparer module, for arranging the title of the Sensors equipment of described reading with driving platformThe title of Sensors equipment compares, and finds the title one with the Sensors equipment of described reading in hardwareCause module；

Described determine submodule, for determining the current registered node path of Sensors equipment and taking of XValue.

Migration process device the most according to claim 6, it is characterised in that described direction adjusting moduleIncluding coupling analyzing sub-module and adjustment submodule, wherein:

Described coupling analyzing sub-module, is used for utilizing function Gsensor_cfg read direction variable configuration fileGsensor.cfg, determines in all modules of record and the Sensor read in described Gsensor.cfg fileThe module of device name coupling, and resolve the Sensor direction value that corresponding coupling module is preset；

Described adjustment submodule, for when reading true value, default Sensor direction value is positive directionValue；When reading false value, default Sensor direction value is negative direction value；Described positive direction value is justNumber+1, described negative direction value is negative-1；Judge the direction value of required Sensor and the Sensor side presetThe most consistent to value, if it is judged that be consistent, then will need not adjust the direction of Sensor；If sentencedDisconnected result is inconsistent, then by the direction adjusting Sensor be and the opposite direction presetting Sensor direction.