CN103324526A - Method for calling sensor - Google Patents

Method for calling sensor Download PDF

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Publication number
CN103324526A
CN103324526A CN2012100733785A CN201210073378A CN103324526A CN 103324526 A CN103324526 A CN 103324526A CN 2012100733785 A CN2012100733785 A CN 2012100733785A CN 201210073378 A CN201210073378 A CN 201210073378A CN 103324526 A CN103324526 A CN 103324526A
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sensor
status information
program module
basic input
storage unit
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CN103324526B (en
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王英明
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Lenovo Beijing Ltd
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Lenovo Beijing Ltd
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Abstract

The invention discloses a method for calling a sensor. The method comprises the following steps: whether a program module needs to call a sensor or not is detected, when the program module needs to call the sensor, the program module sends an instruction to call the sensor, a basic input-output module receives the instruction, and acquires the sensor state information in a storage unit based on the instruction, wherein the sensor state information is mapped to the storage unit from a controller, and the basic input-output module sends the sensor state information to the program module. Through the invention, hardware resources can be saved, and the sensor calling efficiency is improved.

Description

A kind of method of calling sensor
Technical field
The present invention relates to field of computer technology, relate in particular to a kind of method of calling sensor.
Background technology
Along with the arrival of new technology revolution, the world begins to enter the information age.In utilizing the process of information, at first need to obtain accurately and reliably information, sensor can be experienced measured information, and the information that detection can be experienced, be for conversion into according to certain rules the information output of electric signal or other desired form, with the requirements such as transmission, processing, storage, demonstration, record and control of satisfying information, so sensor is main path and the means of obtaining information.In the application of sensor, need to obtain sensor status information, namely need to call sensor.
In the prior art, usually utilize south bridge or MCU (Micro Control Unit, micro-control unit) to call sensor, realize the purpose of obtaining information.
The inventor is in realizing process of the present invention, the method of prior art also needs the support of additional hardware, and when the status information of sensor does not change, electric terminal still needs again to obtain sensor status information, so prior art will cause the wasting of resources and call efficient low.
Summary of the invention
The invention provides a kind of method of calling sensor, be used for the economize on hardware resource, improve the efficient of calling sensor.
The invention provides a kind of method of calling sensor, a kind of method of calling sensor is applied to an electric terminal, it is characterized in that, described method comprises: whether the trace routine module needs to call sensor; When needs called described sensor, described program module sent the instruction of calling described sensor; Described basic input/output module receives described instruction; Described basic input/output module is obtained sensor status information in the storage unit based on described instruction, and wherein, described sensor status information maps to described storage unit by controller; Described basic input/output module is sent to described program module with described sensor status information.
Preferably, described controller is connected with described sensor by SM BUS, makes described controller described sensor status information can be mapped to described storage unit.
Preferably, described program module sends the instruction of calling described sensor, is specially: described program module sends the instruction of calling described sensor by the WMI interface.
Preferably, described basic input/output module is sent to described program module with described sensor status information, is specially: described basic input/output module is sent to described program module by described WMI interface with described sensor status information.
Preferably, described storage unit is specially the storage unit that is arranged in the described controller, perhaps is specially the I/O port memory cell on the I/O bus that is connected to described electric terminal.
Preferably, described sensor status information maps to described storage unit by described controller, be specially: the described storage unit that is arranged in the described controller of described controller opens realizes that described sensor status information maps to described storage unit by described controller, perhaps open on the described I/O bus that is connected to described electronic equipment the I/O port realize that described sensor status information maps to described storage unit by described controller.
Preferably, when described sensor status information changed, described controller was controlled interrupt instruction to described program module by described basic input/output module transmitting system.
Preferably, it is described when described sensor status information changes, described controller is controlled interrupt instruction to described program module by described basic input/output module transmitting system, be specially: when the status information of described sensor changed, described controller sent described system control interrupt instruction to described program module by described basic input/output module, described basic input/output module by described WMI interface.
Preferably, described program module responds described system control interrupt instruction.
Preferably, described basic input/output module is sent to described program module by described WMI interface with current sensor status information.
Beneficial effect of the present invention is as follows:
In one embodiment of the invention, whether need to call sensor by the trace routine module, when needs call described sensor, program module sends the instruction of calling sensor, basic input/output module receives described instruction, and basic input/output module is obtained sensor status information in the storage unit based on described instruction, wherein, sensor status information maps to storage unit by controller, and basic input/output module is sent to described program module with sensor status information.Therefore the present invention does not need the support of additional hardware, and is easy to use, can save hardware resource, improves the efficient of calling sensor.
Further, in one embodiment of the invention, when sensor status information changes, controller is controlled interrupt instruction to program module by basic input/output module transmitting system, the instruction of described program module responding system control terminal, basic input/output module is sent to program module with current sensor status information.Therefore, current state information that can the Real-time Obtaining sensor among the present invention.
Further, in one embodiment of the invention, the communication between basic input/output module and the program module, by the WM Interface realization, the WMI interface of standard is easily realized cross-platform transplanting.
Description of drawings
Fig. 1 is the process flow diagram that calls sensor, method in one embodiment of the invention;
Fig. 2 is the schematic diagram that one embodiment of the invention middle plateform computer is in perpendicular screen state;
Fig. 3 is the schematic diagram that one embodiment of the invention middle plateform computer is in horizontal screen state;
Fig. 4 is the Organization Chart of one embodiment of the invention middle plateform computer.
Embodiment
One embodiment of the invention provides a kind of method of calling sensor, and the method is applied to an electric terminal, and described method can the economize on hardware resource, improves the efficient of calling sensor.
In order to make those skilled in the art understand more in detail the present invention, describe the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, Fig. 1 is the process flow diagram that calls sensor, method in one embodiment of the invention, and the method for the present embodiment comprises:
Step 110: whether program module detects needs to call sensor;
Step 112: when needs called sensor, program module sent the order of calling sensor;
Step 114: basic input/output module receives instruction;
Step 116: basic input/output module is obtained sensor status information in the storage unit based on instruction, and wherein, sensor status information maps to storage unit by controller;
Step 118: basic input/output module is sent to program module with sensor status information.
In order to make things convenient for the clearer understanding the present invention of those skilled in the art, below will lift respectively concrete example and describe.
In the present embodiment, electric terminal is panel computer, and sensor is gravity sensor.As shown in Figure 2, panel computer 210 is provided with a display screen 212, panel computer 210 is equipped with a gravity sensor 214, and panel computer 210 can be supported the function of automatic rotation screen, and the content on the display screen 214 of panel computer 210 can be shown in horizontal screen display, perpendicular screen display is switched between showing.The function of this automatic rotation screen is embodied in: after the user enabled the function of automatic selection screen, if at a time, the user was in perpendicular screen state with panel computer 210, at this moment, and gravity sensor 214 corresponding gravity sensor status informations.At next constantly, as shown in Figure 3, the user is with panel computer 210 90-degree rotations, gravity sensor 214 corresponding another gravity sensor status informations, panel computer 210 is in horizontal screen state, the content that correspondingly shows on the display screen 212 for example is that a menu page or an Application Program Interface transfer horizontal screen display to and show.In other embodiments, also can be other electric terminals, other sensors, other program module, the present invention is not restricted.
The user starts after the panel computer 210, and 214 pairs of gravity sensors should have two kinds of different situations.The first situation: the user does not change the state of panel computer 210, and this moment, the gravity sensor status information did not change.The second situation: the user has changed the state of panel computer 210, and this moment, change occured the gravity sensor status information.Next, the example of lifting respectively under the different situations is described.The present embodiment paper gravity sensor 214 is at the example that is in the first situation.
Before execution in step 110, the user opens panel computer 210, in the process that panel computer 210 normally starts the operating system, the controller of panel computer 210 for example is EC (Embed Controller, embedded controller) 414 the gravity sensor status information mapped to storage unit, wherein, the storage unit concrete example perhaps is specially the I/O port memory cell on the I/O bus that is connected to panel computer as for being arranged on the storage unit among the EC 414.As shown in Figure 4, EC 414 is connected with gravity sensor 214 by SMBUS 418 (System Management Bus System Management Bus), makes EC 414 the gravity sensor status information can be mapped to described storage unit.Be specially: EC 414 opens the storage unit that is arranged among the EC 414, realize that the gravity sensor status information maps to storage unit by EC 414, perhaps EC 414 opens the I/O port that is connected to panel computer 210, realizes that the gravity sensor status information maps to storage unit by EC 414.EC 414 adopts mapping modes to obtain the gravity sensor status information, in whole process, does not need to use the support of the MCU of panel computer 210, has saved resource.In the situation that the gravity sensor status information does not change, program module no longer needs again to obtain the gravity sensor status information, has improved the efficient of calling gravity sensor 214.This step also can be after starting electric terminal, and program module sends the instruction of calling sensor and finished to the basic input/output module of electric terminal, and the present invention is not restricted.
Next, in step 110, whether the trace routine module needs to call sensor, and whether namely detect the corresponding program module of automatic rotation screen function needs to call gravity sensor 214.For example, after panel computer 210 started, whether the automatic rotation screen function that detects panel computer 210 was activated, and for example by detecting the setting option in the panel computer 210, whether selectedly detected automatic rotation screen function item.
In step 112, when needs called described sensor, program module sent the instruction of calling sensor.Be specially: when needs called described sensor, program module sent the instruction of calling sensor by WMI (Windows Management Instrumentation-Windows management regulation) interface.For example, as shown in Figure 4, after the user opens panel computer 210, user's automatic rotation screen function is set to opening, at this moment will detect the function that panel computer 210 has started the automatic rotation screen, at this moment just determine to call gravity sensor 214, this moment, program module 410 need to be obtained the status information of the gravity sensor that is arranged on panel computer 210, and this program module 410 sends the instruction of calling gravity sensor 214 by WMI interface 416.
In step 114, basic input/output module receives instruction.For example, as shown in Figure 4, after program module 410 is called the instruction of gravity sensor 214 by 416 transmissions of WMI interface, the BIOS 412 of panel computer 210 (Basic Input Output System, Basic Input or Output System (BIOS)) receives the instruction of calling gravity sensor 214 that program module 410 sends by WMI interface 416.
In step 116, basic input/output module is obtained sensor status information in the storage unit based on instruction, and wherein, sensor status information maps to storage unit by controller.For example, as shown in Figure 4, after the BIOS 412 of panel computer 210 received the instruction of calling gravity sensor 214, the BIOS 412 of panel computer 210 was according to instruction, began to obtain panel computer 210 and mapped in advance gravity sensor status information in the storage unit.
In step 118, basic input/output module is sent to program module with sensor status information.Be specially: basic input/output module is sent to program module by the WMI interface with sensor status information.For example, as shown in Figure 4, the BIOS 412 of panel computer 210 is sent to program module 410 by WMI interface 416 with the gravity sensor status information that gets access to, and realizes that program module 410 and gravity sensor 214 carry out the mutual process of data message.
Secondly, in another embodiment of the present invention, introduce gravity sensor 214 at the example that is in the second situation.
When sensor status information changes, controller is controlled interrupt instruction to program module by basic input/output module transmitting system, program module responding system control interrupt instruction, basic input/output module is sent to program module by the WMI interface with current sensor status information.For example, as shown in Figure 4, after the user starts the function of automatic rotation screen, when the user is horizontal screen state with panel computer 210 by perpendicular screen state-transition, when perhaps being perpendicular screen state by horizontal screen state-transition, the gravity sensor status information will change, this moment, the EC 414 of panel computer 210 controlled interrupt instruction to program module 410 by BIOS 412 transmitting systems of panel computer 210, this system's control interrupt instruction of program module 410 responses, change has occured in the status information of knowing gravity sensor, in order to get access to the state of current gravity sensor, the BIOS 412 of panel computer 210 is sent to program module 410 by WMI interface 416 with current gravity sensor status information, panel computer 410 is done relevant execution action according to current sensor status information, finishes the spinfunction of screen.In this process, the current state information that program module can the Real-time Obtaining gravity sensor, and do relevant execution action.
In the second embodiment of the present invention, electric terminal is notebook computer, and sensor is temperature sensor, and program module is temperature monitoring software.Notebook computer is provided with a display screen, notebook computer is equipped with a temperature sensor, and at notebook computer operation one temperature monitoring software, the function that notebook computer can the support environment temperature monitoring can show the temperature of current environment in real time on the display screen of notebook computer.The function of this environment temperature monitoring is embodied in: in the process of user's serviceability temperature monitoring of software, if the temperature of environment is T1 degree centigrade, at this moment at t1 constantly,, the corresponding temperature sensor status information of temperature sensor, the current environment temperature T1 of demonstration screen display of notebook computer.At t2 constantly, the temperature of environment is T2, T2 ≠ T1 wherein, and t2>t1, corresponding another temperature sensor status information of temperature sensor, the display screen of notebook computer shows current environment temperature T2.In other embodiments, also can be other electric terminals, other sensors, other program modules, the present invention is not restricted.
In the different moment, temperature sensor is to there being two kinds of different situations.The first situation: environment temperature does not change, and this moment, the temperature sensor status information did not change.The second situation: change has occured in environment temperature, and the status information of temperature sensor also will change this moment.Next, will describe for the embodiment under the different situations respectively, the present embodiment paper temperature sensor is in the example in the first situation.
The user opens notebook computer, in the process that notebook computer normally starts the operating system, the controller of notebook computer is for example opened the storage unit that is arranged among the EC for EC, realize that the temperature sensor status information maps to storage unit by EC, perhaps EC opens the I/O port that is connected to notebook computer, realizes that the temperature sensor status information maps to storage unit by EC.EC adopts mapping mode to obtain the temperature sensor status information, and wherein EC is connected with temperature sensor by SMBUS.In whole process, do not need to use the support of the MCU of notebook computer, saved resource.In the situation that the temperature sensor status information no longer changes, program module no longer needs again to obtain the temperature sensor status information, has improved the efficient of calling temperature sensor.This step also can be after starting electric terminal, and program module sends the instruction of calling sensor and finished to the basic input/output module of electric terminal, and the present invention is not restricted.
After the user opens notebook computer, the user has also opened the temperature monitoring software of notebook computer, detect temperature monitoring software and need to call temperature sensor this moment, temperature detection software need to obtain the status information of the temperature sensor that is arranged on notebook computer, and this environmental monitoring software sends the instruction of calling temperature sensor by the WMI interface.
After environmental monitoring software called the instruction of temperature sensor by the transmission of WMI interface, the BIOS of notebook computer received the instruction of calling temperature sensor that temperature monitoring software sends by the WMI interface.
After the BIOS of notebook computer received the instruction of calling temperature sensor, the BIOS of notebook computer was according to instruction, and the BIOS of notebook computer begins to obtain notebook computer and maps in advance temperature sensor status information in the storage unit.
After the BIOS of notebook computer obtains notebook computer and maps in advance temperature sensor status information in the storage unit, the BIOS of notebook computer is sent to temperature monitoring software by the WMI interface with the temperature sensor status information that gets access to, and realizes that temperature monitoring software and temperature sensor carry out the mutual process of data message.
Secondly, in another embodiment of the present invention, introduce temperature sensor and be in example in the second situation.When environment temperature changes, the temperature sensor status information will change, at this moment, the EC of notebook computer controls interrupt instruction to temperature monitoring software by the BIOS transmitting system of notebook computer, this system's control interrupt instruction of temperature monitoring software responses, change has occured in the state of knowing temperature sensor, in order to get access to the state of Current Temperatures sensor, the BIOS of notebook computer is sent to temperature monitoring software by the WMI interface with the Current Temperatures sensor status information, notebook computer is done relevant execution action according to current sensor status information, finishes the monitoring function of environment temperature.In this process, the current state information that environmental monitoring software can the Real-time Obtaining temperature sensor, and do relevant execution action.
Above-mentioned one or more embodiment by among the present invention can reach following technique effect at least:
In one embodiment of the invention, whether need to call sensor by detecting, when needs call described sensor, program module sends the instruction of calling sensor, basic input/output module receives described instruction, and basic input/output module is obtained sensor status information in the storage unit based on described instruction, wherein, sensor status information maps to storage unit by controller, and basic input/output module is sent to described program module with sensor status information.Therefore the present invention does not need the support of additional hardware, and is easy to use, can save hardware resource, improves the efficient of calling sensor.
Further, in one embodiment of the invention, when sensor status information changes, controller is controlled interrupt instruction to program module by basic input/output module transmitting system, the instruction of described program module responding system control terminal, basic input/output module is sent to program module with current sensor status information.Therefore, current state information that can the Real-time Obtaining sensor among the present invention.
Further, in one embodiment of the invention, the communication between basic input/output module and the program module, by the WM Interface realization, the WMI interface of standard is easily realized cross-platform transplanting.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (10)

1. a method of calling sensor is applied to an electric terminal, it is characterized in that, described method comprises:
Whether the trace routine module needs to call sensor;
When needs called described sensor, described program module sent the instruction of calling described sensor;
Basic input/output module receives described instruction;
Described basic input/output module is obtained sensor status information in the storage unit based on described instruction, and wherein, described sensor status information maps to described storage unit by controller;
Described basic input/output module is sent to described program module with described sensor status information.
2. the method for claim 1 is characterized in that, described controller is connected with described sensor by SMBUS, makes described controller described sensor status information can be mapped to described storage unit.
3. the method for claim 1 is characterized in that, described program module sends the instruction of calling described sensor, is specially: described program module sends the instruction of calling described sensor by the WMI interface.
4. the method for claim 1, it is characterized in that, described basic input/output module is sent to described program module with described sensor status information, is specially: described basic input/output module is sent to described program module by described WMI interface with described sensor status information.
5. the method for claim 1 is characterized in that, described storage unit is specially the storage unit that is arranged in the described controller, perhaps is specially the I/O port memory cell on the I/O bus that is connected to described electric terminal.
6. the method for claim 1, it is characterized in that, described sensor status information maps to described storage unit by described controller, be specially: the described storage unit that is arranged in the described controller of described controller opens realizes that described sensor status information maps to described storage unit by described controller, perhaps open on the described I/O bus that is connected to described electronic equipment the I/O port realize that described sensor status information maps to described storage unit by described controller.
7. the method for claim 1 is characterized in that, when described sensor status information changed, described controller was controlled interrupt instruction to described program module by described basic input/output module transmitting system.
8. method as claimed in claim 7, it is characterized in that, it is described when described sensor status information changes, described controller is controlled interrupt instruction to described program module by described basic input/output module transmitting system, be specially: when the status information of described sensor changed, described controller sent described system control interrupt instruction to described program module by described basic input/output module, described basic input/output module by described WMI interface.
9. method as claimed in claim 8 is characterized in that, described program module responds described system control interrupt instruction.
10. method as claimed in claim 9 is characterized in that, described basic input/output module is sent to described program module by described WMI interface with current sensor status information.
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CN104951362A (en) * 2014-03-27 2015-09-30 联想(北京)有限公司 Electronic equipment and information processing method
CN107943371A (en) * 2017-11-30 2018-04-20 湖南长城银河科技有限公司 The method and device of automatic Rotation screen picture based on Feiteng processor, all-in-one machine
CN116028314A (en) * 2022-05-16 2023-04-28 荣耀终端有限公司 Temperature parameter reading method, electronic device, and computer-readable storage medium
CN116737488A (en) * 2022-10-26 2023-09-12 荣耀终端有限公司 Parameter monitoring method and electronic equipment

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