CN102625064A - Method and device for receiving and identifying infrared remote control signal - Google Patents
Method and device for receiving and identifying infrared remote control signal Download PDFInfo
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- CN102625064A CN102625064A CN2012100856554A CN201210085655A CN102625064A CN 102625064 A CN102625064 A CN 102625064A CN 2012100856554 A CN2012100856554 A CN 2012100856554A CN 201210085655 A CN201210085655 A CN 201210085655A CN 102625064 A CN102625064 A CN 102625064A
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Abstract
An embodiment of the invention discloses a method and a device for receiving and identifying an infrared remote control signal. The method comprises the steps that a driving layer of a receiving device obtains interrupt information in the infrared signal; a user layer of the receiving device obtains key logic in the infrared signal according to the interrupt information and level changes of the infrared signal; and a system layer of the receiving device executes corresponding application operation according to the key logic. The user layer of the receiving device obtains the key logic in the infrared signal according to the interrupt information and the level changes of the infrared signal, the system layer executes the corresponding operation according to the key logic, and the user layer of the receiving device can identify and process the logic of a key, so that the control of the driving layer on the logic is reduced, debugging work is reduced, and development difficulties of the receiving device are reduced.
Description
Technical field
The present invention relates to radio and television and digital cable TV technical field, be specifically related to a kind of method and apparatus that receives and identifies infrared remote-controlled signal.
Background technology
The IR remote controller operation principle mainly is to adopt the pulse of different cycles and different duty ratio to represent 0 and 1 in the prior art, and the remote controller duty ratio of different manufacturer production maybe be different, and the pulse period is also possible inequality.And present infrared remote control agreement both domestic and external also reaches tens of kinds, and the signal difference of stipulating in the different protocol is very big, therefore, follows between the different product of different infrared remote control agreements and wants to realize that there is huge obstacle in interoperability, perhaps is difficult to realize.Therefore, in the prior art, the device that receives infrared signal can't be discerned the frequency of (perhaps, following the remote controller of different infrared remote control agreements with the device of this receptions infrared signal) transmission that the user sets up on their own.
Summary of the invention
The embodiment of the invention provides a kind of method and apparatus that receives and identifies infrared remote-controlled signal, can discern the logic of the control signal of IR remote controller transmission, has improved service speed, for the user provides better experience.
The embodiment of the invention provides a kind of method that receives and identifies infrared remote-controlled signal, and this method comprises:
The Drive Layer of receiving system is obtained the interrupting information in the infrared signal;
The client layer of receiving system changes according to the level of said interrupting information and said infrared signal, obtains the button logic in the infrared signal;
The system layer of receiving system is carried out corresponding application operating according to said button logic.
Preferably, the operating system in the said receiving system adopts the Android system, and then said method also comprises:
The client layer of receiving system writes said Drive Layer with the button logic of obtaining;
The system layer of receiving system reads the button logic in the Drive Layer through the incident convergence module, carries out corresponding operating.
Preferably, the client layer of said receiving system changes according to the level of said interrupting information and said infrared signal, obtains the button logic in the infrared signal, specifically comprises;
The client layer of receiving apparatus changes according to the level of said interrupting information and said infrared signal, judges that the button logic is after pressing, and whether obtains new key information;
If new key information is arranged, reads button value;
If there is not new key information, judging the button logic is to get into repeat pattern.
The embodiment of the invention also provides a kind of device that receives and identifies infrared remote-controlled signal, and this device comprises: Drive Layer unit, client layer unit and system layer unit;
Said Drive Layer unit is used for obtaining the interrupting information of infrared signal;
Said client layer unit is used for changing according to the level of said interrupting information and said infrared signal, obtains the button logic in the infrared signal;
Said system layer unit is used for carrying out corresponding application operating according to said button logic.
Preferably, the operating system in the said device adopts the Android system, and then said device also comprises: incident converges the unit;
Said incident converges the unit, is used for reading the button logic of Drive Layer unit, and the button logic that reads is sent to the system layer unit;
Then said Drive Layer unit also is used to write the button logic that the client layer unit obtains.
Preferably, said client layer unit specifically comprises: judging unit, reading unit and read the repeat pattern unit;
Said judging unit is used for the level variation of the client layer of receiving apparatus according to said interrupting information and said infrared signal, judges that the button logic is after pressing, and whether obtains new key information;
Said reading unit if be used for that new key information is arranged, reads button value;
Saidly read the repeat pattern unit, if be used for there is not new key information, judging the button logic is to get into repeat pattern.
Can find out that from above technical scheme the client layer of the embodiment of the invention through receiving system changes according to the level of interrupting information that obtains and infrared signal; Obtain the button logic in the infrared signal; System layer is carried out respective operations according to this button logic, because the logic of button can discerned and handle to the client layer of receiving system, has reduced the control of Drive Layer to logic; Reduce debugging work, reduced the development difficulty of receiving system.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow sketch that the embodiment of the invention one provides;
Fig. 2 is the device simplified schematic diagram that the embodiment of the invention two provides.
Embodiment
Embodiment one
The embodiment of the invention provides a kind of method that receives and identifies infrared remote-controlled signal, and is as shown in Figure 1, and this method comprises:
Step 101: the Drive Layer of receiving system is obtained the interrupting information in the infrared signal;
Wherein, the Drive Layer of receiving system can simplified code, can be for receiving system of the prior art with logic deletions all in the Drive Layer, and the function that only keeps basic detection button gets final product.Can create a common character device node, offer file interface function term and read and write data and control; Create an input subsystem in Drive Layer, this input subsystem for the upper strata provides unified interface, generates event node as the intermediate layer of I/O (I/O) device drives at random; In the input subsystem, IR remote controller is simulated; The remote-control registration device interrupts; Registration is interrupted; When interrupt triggering, show to receive pulse signal (high-low level), confirm that according to the high-low level duration of pulse what key presses, convert the systematic unity key value to; Such as the numeral ' 1 ', numeral ' 1 ' key assignments is write formation (buffering area) preserves.
Step 102: the client layer of receiving system changes according to the level of interrupting information that obtains and infrared signal, obtains the button logic in the infrared signal;
Need to prove; It specifically is to show during by down trigger to receive pulse signal (high-low level) that the level of infrared signal changes; Confirm that according to the high-low level duration of pulse what key presses, promptly in equipment, being embodied as what interrupt parsing is digital signaling zero or 1, and individual starting point and end point are arranged; The value that all value is formed is exactly a key set code, and utilizing the key set code inquiry is that which key is pressed and got final product.
Client layer at receiving system can be according to the interrupting information of Drive Layer record; And the level variation, judging the button logic is to press (be key_down, level changed high level into by low level before and after receiving system was interpreted as and interrupts); Still upspring (is key_up; Level changed low level into by high level before and after receiving system was interpreted as and interrupts), or button always by according to, can judge and think that the button logic is that repeat pattern (is repeat mode; Level changed low level into by high level before and after receiving system was interpreted as and interrupts, and in setting-up time, did not occur once more interrupting).
Step 103: the system layer of receiving system is carried out corresponding application operating according to the button logic of obtaining.
Wherein, because the client layer of receiving system has identified the logic of button in step 102, for example:, represent that then customer requirements carrying out corresponding operating in concrete the application if button is to press; If button is upspring, the expression user carries out a corresponding operating in concrete the application; If button always by according to, represent that then the user repeatedly requires in concrete the application, carrying out corresponding operating.Be to be convenient to understand giving an example of the embodiment of the invention, be not the restriction to the embodiment of the invention here.
Through above-mentioned a kind of method that receives and identifies infrared remote-controlled signal that the embodiment of the invention one is provided, the client layer of this method through receiving system changes according to the level of interrupting information that obtains and infrared signal; Obtain the button logic in the infrared signal; System layer is carried out respective operations according to this button logic, because the logic of button can discerned and handle to the client layer of receiving system, has reduced the control of Drive Layer to logic; Reduce debugging work, reduced the development difficulty of receiving system.And this method has overcome the frequency disunity that code is write and button sends and has caused the slow-footed problem of integrated operation with a mistake key assignments, has improved user's operating experience greatly.
Further, if the operating system in this receiving system adopts the Android system, the incident of carrying converges (EventHub) module in this system, and this module is the module in the client layer, is used for the processing of all input equipments.For the receiving system of the Android system of operating system, when carrying out the technical scheme that the embodiment of the invention provides, specifically distinguish with above-mentioned steps 101～103, promptly after step 102, this method also comprises:
Step 103: the client layer of receiving system writes Drive Layer with the button logic of obtaining;
Step 104: the system layer of receiving system reads the button logic in the Drive Layer through the EventHub module, carries out corresponding operating.
Through increasing above-mentioned steps 103 and 104, make receiving system to realize receiving and identifying out the infrared signal of IR remote controller transmission based on the designing requirement in the existing Android system,
Further, in the above-mentioned steps 102, obtain the button logic in the infrared signal, specifically control and can comprise:
Step 102a: the client layer of receiving system changes according to the level of interrupting information that obtains and infrared signal, after judgement button logic is to press, whether obtains new key information, if having, and execution in step 102b; If there is not key information, execution in step 102c;
Step 102b: read button value;
The purpose of execution in step 102b be appreciated that for: when judgement after the button logic is arranged is to press; At interval behind the certain hour; The button of IR remote controller is upspring (being key_up), can think that the user passes through remote controller requirement controlled device and carries out application corresponding, promptly assigns control command one time.
Step 102c: judging the button logic is to get into repeat pattern (repeat mode).
The purpose of carrying out minister 102c be appreciated that for: when judgement after the button logic is arranged is to press; Behind the certain hour, the button of IR remote controller remains presses (being key_down), can think that the user passes through remote controller requirement controlled device and repeatedly carries out this identical application at interval; As: require in the display display frame to lower slider; If the user assigns once the order to the lower slider picture, picture hypothesis 2 centimetres the distance of sliding then is if the user pins this button and do not put always; Get into repeat pattern, then picture may slide into the bottom.
Embodiment two
The embodiment of the invention provides a kind of device that receives and identifies infrared remote-controlled signal, and is as shown in Figure 2, and this device can comprise: Drive Layer unit 201, client layer unit 202 and system layer unit 203;
Wherein, Drive Layer unit 201 is used for obtaining the interrupting information of infrared signal;
Wherein, Drive Layer unit 201 can simplified code, can be for receiving system of the prior art with logic deletions all in the Drive Layer, and the function that only keeps basic detection button gets final product.For the Android system, can create a common character device node, can offer file interface function term and read and write data and control; An input subsystem is created in the Drive Layer unit, and this input subsystem for the upper strata provides unified interface, generates event node as the intermediate layer of I/O (I/O) device drives at random; In the input subsystem, IR remote controller is simulated; The remote-control registration device interrupts; Registration is interrupted; When interrupt triggering, show to receive pulse signal (high-low level), confirm that according to the high-low level duration of pulse what key presses, convert the systematic unity key value to; Such as the numeral ' 1 ', numeral ' 1 ' key assignments is write formation (buffering area) preserves.
Need to prove that the client layer unit can be according to the interrupting information of Drive Layer record, and level changes; Judging the button logic and be and pressing (is key_down; Level changed high level into by low level before and after receiving system was interpreted as and interrupts), still upspring (be key_up, level changed low level into by high level before and after receiving system was interpreted as and interrupts); Or button always by according to; Can judge and think that the button logic is repeat pattern (be repeat mode, level changed low level into by high level before and after receiving system was interpreted as and interrupts, and in setting-up time, did not occur once more interrupting).
Wherein, because the client layer unit has identified the logic of button, for example:, represent that then customer requirements carrying out corresponding operating in concrete the application if button is to press; If button is upspring, the expression user carries out a corresponding operating in concrete the application; If button always by according to, represent that then the user repeatedly requires in concrete the application, carrying out corresponding operating.Be to be convenient to understand giving an example of the embodiment of the invention, be not the restriction to the embodiment of the invention here.
Through above-mentioned a kind of device that receives and identifies infrared remote-controlled signal that the embodiment of the invention two is provided, this device changes through the level of client layer unit according to interrupting information that obtains and infrared signal; Obtain the button logic in the infrared signal; Respective operations is carried out according to this button logic in the system layer unit, because the logic of button can discerned and handle to the client layer of receiving system, has reduced the control of Drive Layer to logic; Reduce debugging work, reduced the development difficulty of receiving system.
And this device has overcome the frequency disunity that code is write and button sends and has caused the slow-footed problem of integrated operation with a mistake key assignments, has improved user's operating experience greatly.
Further, if the operating system in the device adopts the Android system, the incident of carrying converges (EventHub) unit in this system, and this module belongs to the client layer unit, is used for the processing of all input equipments.For the device of the Android system of operating system, when carrying out the technical scheme that the embodiment of the invention provides, this device also comprises:
Incident converges unit 204, is used for reading the button logic of Drive Layer unit, and the button logic that reads is sent to the system layer unit.
Then, the Drive Layer unit also is used to write the button logic that the client layer unit obtains.
Converge unit 204 through increasing above-mentioned incident, make this device to realize receiving and identifying out the infrared signal that IR remote controller sends based on the designing requirement in the existing Android system,
Further, above-mentioned client layer unit specifically can comprise: judging unit 202a, reading unit 202b and read repeat pattern unit 202c.
Judging unit 202a is used for changing according to the level of interrupting information that obtains and infrared signal, after judgement button logic is to press, whether obtains new key information;
Reading unit 202b is used for when the judging unit judgement has new key information, reading button value;
Design reading unit 202b purpose be appreciated that for: when judgement after the button logic is arranged is to press; At interval behind the certain hour; The button of IR remote controller is upspring (being key_up), can think that the user passes through remote controller requirement controlled device and carries out application corresponding, promptly assigns control command one time.
Read repeat pattern unit 202c, be used for when the judging unit judgement does not have new key information, judging the button logic is to get into repeat pattern (repeat mode).
Design read repeat pattern unit 202c purpose be appreciated that for: when judgement after the button logic is arranged is to press; Behind the certain hour, the button of IR remote controller remains presses (being key_down), can think that the user passes through remote controller requirement controlled device and repeatedly carries out this identical application at interval; As: require in the display display frame to lower slider; If the user assigns once the order to the lower slider picture, picture hypothesis 2 centimetres the distance of sliding then is if the user pins this button and do not put always; Get into repeat pattern, then picture may slide into the bottom.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to accomplish through program; Described program can be stored in a kind of computer-readable recording medium; The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
More than a kind of method and apparatus that receives and identifies infrared remote-controlled signal provided by the present invention has been carried out detailed introduction; For one of ordinary skill in the art; Thought according to the embodiment of the invention; The part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (6)
1. a method that receives and identifies infrared remote-controlled signal is characterized in that, this method comprises:
The Drive Layer of receiving system is obtained the interrupting information in the infrared signal;
The client layer of receiving system changes according to the level of said interrupting information and said infrared signal, obtains the button logic in the infrared signal;
The system layer of receiving system is carried out corresponding application operating according to said button logic.
2. method according to claim 1 is characterized in that, the operating system in the said receiving system adopts the Android system, and then said method also comprises:
The client layer of receiving system writes said Drive Layer with the button logic of obtaining;
The system layer of receiving system reads the button logic in the Drive Layer through the incident convergence module, carries out corresponding operating.
3. method according to claim 1 is characterized in that, the client layer of said receiving system changes according to the level of said interrupting information and said infrared signal, obtains the button logic in the infrared signal, specifically comprises;
The client layer of receiving apparatus changes according to the level of said interrupting information and said infrared signal, judges that the button logic is after pressing, and whether obtains new key information;
If new key information is arranged, reads button value;
If there is not new key information, judging the button logic is to get into repeat pattern.
4. a device that receives and identifies infrared remote-controlled signal is characterized in that, this device comprises: Drive Layer unit, client layer unit and system layer unit;
Said Drive Layer unit is used for obtaining the interrupting information of infrared signal;
Said client layer unit is used for changing according to the level of said interrupting information and said infrared signal, obtains the button logic in the infrared signal;
Said system layer unit is used for carrying out corresponding application operating according to said button logic.
5. device according to claim 4 is characterized in that, the operating system in the said device adopts the Android system, and then said device also comprises: incident converges the unit;
Said incident converges the unit, is used for reading the button logic of Drive Layer unit, and the button logic that reads is sent to the system layer unit;
Then said Drive Layer unit also is used to write the button logic that the client layer unit obtains.
6. device according to claim 4 is characterized in that, said client layer unit specifically comprises: judging unit, reading unit and read the repeat pattern unit;
Said judging unit is used for the level variation of the client layer of receiving apparatus according to said interrupting information and said infrared signal, judges that the button logic is after pressing, and whether obtains new key information;
Said reading unit if be used for that new key information is arranged, reads button value;
Saidly read the repeat pattern unit, if be used for there is not new key information, judging the button logic is to get into repeat pattern.
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| CN103648009A (en) * | 2013-12-17 | 2014-03-19 | 乐视致新电子科技（天津）有限公司 | Android system based infrared remote control responding method and device and smart television |
| CN103929668A (en) * | 2014-04-28 | 2014-07-16 | Tcl集团股份有限公司 | Control method and device based on television applying Android system |
| WO2016033755A1 (en) * | 2014-09-03 | 2016-03-10 | 华为技术有限公司 | Task handling apparatus and method, and electronic device |
| CN114356140A (en) * | 2021-12-31 | 2022-04-15 | 上海永亚智能科技有限公司 | Key action identification method of infrared induction suspension key |
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