CN105451077B - A kind of button processing method and system based on module TV - Google Patents
A kind of button processing method and system based on module TV Download PDFInfo
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- CN105451077B CN105451077B CN201510871219.3A CN201510871219A CN105451077B CN 105451077 B CN105451077 B CN 105451077B CN 201510871219 A CN201510871219 A CN 201510871219A CN 105451077 B CN105451077 B CN 105451077B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
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- Software Systems (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention discloses a kind of button processing method and system based on module TV, the described method includes: whether one timer of starting detection card end receives second of the screen end key-press event sent in the predetermined time after the down event for the first key that card end receiving screen end is sent；It is parsed after the key-press event that screen end second is sent if in the given time, card end is received, obtains the key assignments and event type of this key, by this event registration to card end system and update the key assignments and event type of this key；If exceeding the predetermined time, card end does not receive the key sent from screen end, generates the up event of the first key received, this event registration into card end system and is updated the key assignments and event type of this key.The present invention, which can solve to send at screen end to card end, malfunctions or loses caused card end response key abnormal problem in transmission process after key, not receiving pairing key-press event at card end also can correctly carry out keystroke handling.
Description
Technical field
The present invention relates to module TV technology more particularly to a kind of button processing method based on module TV and it is
System.
Background technique
With the appearance of module tv product form, occur two chips on TV, as shown in Figure 1, the MCU is
Secondary chip will not generally be replaced, commonly referred to as screen end for driving screen display and processing image display effect；The SOC is main
Chip can plug replacement, commonly referred to as card end for realizing all intelligent functions of user demand.The appearance of module TV is big
The expense that user buys TV is saved greatly, and by replacing card end, user can enjoy industry on the basis of being changed without screen
The newest content in boundary, newest technical products, screen, which is changed without, means that user only need to spend seldom money that can accomplish this point.
Infrared push button (IR) receiving device of module TV is mounted in screen end, and card end does not have IR receiving device, in this way
User needs IR key assignments being transferred to card end from screen end at remote control operation card end, and card termination is by being registered to card end after key assignments
In Input subsystem, then Input subsystem is distributed to response key module and is handled, as shown in Figure 1.Since card end is
Android intelligence system, the keystroke handling process of the system is started with the DOWN event of key value, with the UP thing of the key value
For the DOWN event of part or other key values as the foundation buttoned to end, the key assignments for being registered to system in this way must just match note
Volume, that is, the DOWN event for having registered the key must must just register UP event, this can ceaselessly be responded by otherwise responding key module
The DOWN event of key.However the IR key received of card termination be transmitted from screen, if in transmission process corrupt data or
It loses, will cause key that cannot matingly be registered in system, cause system processing key abnormal.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of the deficiencies in the prior art, it is an object of that present invention to provide a kind of button processing method based on module TV and
System, it is intended to which the card end for solving module TV in the prior art is responded by the key-press event that receiving screen end is sent, still
Shield the corrupt data or loss that end is sent when card end receives only, can cause key that cannot matingly be registered in system, cause
System handles key exception, influences the defect of TV normal work.
Technical scheme is as follows:
A kind of button processing method based on module TV, wherein method includes:
A, after the down event for the first key that receiving screen end in card end is sent, one timer of starting detection card end is in pre- timing
Between whether receive the key-press event that screen end second is sent；
If B, in the given time, card termination is received from second of the screen end key-press event sent, is then parsed, obtained
The key assignments and event type for taking this key by this event registration to card end system and update the key assignments and event of this key
Type；
If C, exceeding the predetermined time, card end does not receive the key sent from screen end, generates the first key received
This event registration into card end system and is updated the key assignments and event type of this key by up event.
The button processing method based on module TV, wherein the step A is specifically included:
The down event for the first key that A1, card end receiving screen end are sent, by this event registration to card end system, and more
The key assignments and event type of new this time key；
Whether A2, one timer of starting detection card end receive second of the screen end key-press event sent in the predetermined time.
The button processing method based on module TV, wherein the step B is specifically included:
If B1, in the given time, card termination is received from second of the screen end key-press event sent, then is parsed；
B2, judge whether this key is identical as the key value of last time key；
If B3, this time key is identical as the key value of last time key, the key assignments and event type of this key are obtained, it will
This time event registration to card end system and updates the key assignments and event type of this key；
If B4, this time key is different from the key value of last time key, and judges that last time key-press event is in time-out period,
Up event registration first then is generated to last time key to be registered in card end system into card end system, then by this key, is updated
This time key assignments and event type of key.
The button processing method based on module TV, wherein the step B3 is specifically included:
If B31, this time key is identical as the key assignments of last time key, the key assignments and event type of this key are obtained；
If B32, this time key are the up events of last time key, determine that this key is short-press operation, end is this time pressed
Key operation is registered to card end system and updates the key assignments and event type of this key；
If B33, this time key is the down event of last time key, determine that this key is long press operation, then until connecing
It receives the up event of the first key or receives the down event of other keys, terminate this button operation, be registered to card end system
And update the key assignments and event type of this key.
The button processing method based on module TV, wherein after the step B4 further include:
B5, the timing for resetting timer start after detection card termination receives the key down event that screen end is sent
Timing.
A kind of key processing system based on module TV, wherein system includes:
Receive and detection module, for card end receiving screen end send the first key down event after, starting one timing
Device detects card end and whether receives second of the screen end key-press event sent in the predetermined time；
Parsing and registration module, if card termination is received from second of the screen end key sent in the given time
Event is then parsed, the key assignments and event type of this key are obtained, this event registration to card end system and is updated this
The key assignments and event type of secondary key；
Control module is generated and is received if card end does not receive the key sent from screen end for exceeding the predetermined time
This event registration into card end system and is updated the key assignments and event type of this key by the up event of the first key.
The key processing system based on module TV, wherein the reception is specifically included with detection module:
Receiving unit, for the down event for the first key that card end receiving screen end is sent, by this event registration to card
End system, and update the key assignments and event type of this key；
Whether detection unit receives second of the transmission in screen end in the predetermined time for starting timer detection card end
Key-press event.
The key processing system based on module TV, wherein the parsing is specifically included with registration module:
Resolution unit, if card termination is received from second of the screen end key-press event sent, then in the given time
It is parsed；
Judging unit, for judging whether this key is identical as the key value of last time key；
Registering unit, if identical with the key value of last time key for this time key, obtain the key assignments of this key with
Event type by this event registration to card end system and updates the key assignments and event type of this key；
First control unit, if it is different from the key value of last time key for this time key, and would judge last time key thing
Part is in time-out period, then first generates up event registration to last time key and be registered into card end system, then by this key
In card end system, the key assignments and event type of this key are updated.
The key processing system based on module TV, wherein the registering unit specifically includes:
If acquiring unit obtains the key assignments and thing of this key identical as the key assignments of last time key for this time key
Part type；
Second control unit, if for this time key be last time key up event, determine this key be short-press behaviour
Make, terminates this button operation, be registered to card end system and update the key assignments and event type of this key；
Third control unit, if for this time key be last time key down event, determine that this key is long-pressing
Operation terminates this button operation, infuses then until receiving the up event of the first key or receiving the down event of other keys
Volume is to card end system and updates the key assignments and event type of this key.
The key processing system based on module TV, wherein the parsing and registration module further include:
Timing reset cell, for resetting the timing of timer, when detection card termination receives the key that screen end is sent
After down event, start timing.
The utility model has the advantages that the button processing method provided by the invention based on module TV, sets up key by defining card end
Time-out, which is mended, carries out judgement and time-out is mended to being registered in system to the imperfect of the key that transmits of screen end to mechanism, realize from
Shield end transmission key it is abnormal also can normal response key card end keystroke handling, reduce the transmission abnormality between screen end and card end, mention
High card end can respond rapidly to the speed of the key at screen end.
Detailed description of the invention
Fig. 1 is the block schematic illustration at module TV screen end and card end in the prior art.
Fig. 2 is a kind of flow chart of the preferred embodiment of button processing method based on module TV of the invention.
Fig. 3 is a kind of flow chart of the concrete application embodiment of button processing method based on module TV of the invention.
Fig. 4 is a kind of principle of work and power frame of the preferred embodiment of key processing system based on module TV of the invention
Figure.
Specific embodiment
To make the purpose of the present invention, technical solution and effect clearer, clear and definite, below to the present invention further specifically
It is bright.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of flow chart of the preferred embodiment of button processing method based on module TV, such as Fig. 2
It is shown, which comprises
Step S100, after the down event for the first key that receiving screen end in card end is sent, one timer of starting detects card end
Second of the screen end key-press event sent whether is received in the predetermined time, if so, S200 is thened follow the steps, if otherwise held
Row step S300.
When it is implemented, sending what the key was pressed to card end after screen end detection user is to any key pressing on screen end
Message.This any key pressed is denoted as the first key, and the event being pressed is denoted as down event, and key is released and is denoted as
Up event.After the down event for the first key that card end receiving screen end is sent, start a timer, for detecting screen end and card end
Between data transmission whether malfunction.Whether detection card end receives the key-press event that screen end is sent again in the given time,
Also referred to as second of key-press event sent.And the predetermined time is also referred to as time-out time, the predetermined time can be according to the needs of users
It is selected.The value range of general predetermined time is 60-120s.
Step S200, card end is received is parsed after the key-press event sent of second of screen end, obtains this key
Key assignments and event type by this event registration to card end system and update the key assignments and event type of this key.
When it is implemented, if in the given time, after the down event for the first key that card end receiving screen end is sent, saying
First key at bright screen end has been pressed.User may be long press operation, short-press operation to screen end or directly press it at this time
His key.Card end is received to be parsed after the key-press event that screen end is sent again, obtains the key assignments and event class of this key
Type, and the input subsystem at card end is registered to for current event, the key assignments and event type of this key are updated, and
The response IR module at card end carries out response processing to the event of registration.
Step S300, card end does not receive the key sent from screen end, the up event of the first key received is generated, by this
Secondary event registration is into card end system and updates the key assignments and event type of this key.
When it is implemented, if card end does not receive the key-press event sent from screen end, the first key in the predetermined time
Up event transmit and lose, up event is generated to the key and is registered in system and updates the key assignments and event class of this key
After type, terminate this button operation.
Further, the step S100 is specifically included:
Step S101, the down event for the first key that receiving screen end in card end is sent, by this event registration to card end system
System, and update the key assignments and event type of this key；
Step S102, whether one timer of starting detection card end receives second of the screen end key sent in the predetermined time
Event.
When it is implemented, the down event for the first key that card end receiving screen end is sent, by this event registration to card end
Input subsystem, update the key assignments and event type of this key, while starting timer detection card end in the predetermined time
Whether screen end second key-press event that sends is received.
In further embodiment, wherein step S200 is specifically included:
If step S201, in the given time, card termination is received from second of the screen end key-press event sent, then carry out
Parsing；
Step S202, judge whether this key is identical as the key value of last time key；
If step S203, this time key is identical as the key value of last time key, the key assignments and event of this key are obtained
Type by this event registration to card end system and updates the key assignments and event type of this key；
If step S204, this time key is different from the key value of last time key, and judges that last time key-press event is in super
When the stage, then first to last time key generate up event registration be registered to card end system into card end system, then by this key
In, update the key assignments and event type of this key.
When it is implemented, card termination is parsed by after second of key that screen end transmits, judgement is this time pressed
Whether key identical as the key value of last time key, if identical, obtains the key assignments and event type of this key, and by this
Event registration is transmitted to card end response IR module by card end Input system and rings to the key to card end Input system
It should handle, while update the key assignments and event type of this key.Judge that this key is not identical as the key assignments of last time key, then
Illustrate that this time operating is new button operation, then this time operation is new button operation to explanation, whether needs to judge last time button operation
Terminate, if last time key is in time-out period, illustrates that the up event transmission of last time key is lost, then first last time key is generated
Up event registration into input subsystem, after this key is registered in input subsystem again, update this key
Key assignments and event type, then reset time-out time.
If not receiving any event of any key in timing, then it is assumed that the up event of the key is transmitted
It loses, up event is generated to the key and is registered in system, terminate this button operation.
Specifically, after the step S204 further include:
Step S205, the timing for resetting timer, when detection card termination receives the key down event that screen end is sent
Afterwards, start timing.
When it is implemented, resetting the timing of timer when the key-press event that card termination receives is registered in system every time
Time.After detecting card end and receiving the key down event for shielding end transmission again, timer starts reclocking.
In further embodiment, wherein step S203 is specifically included:
If step S231, this time key is identical as the key assignments of last time key, the key assignments and event class of this key are obtained
Type；
If step S232, this key is the up event of last time key, determines that this key is short-press operation, terminate this
Secondary button operation is registered to card end system and updates the key assignments and event type of this key；
If step S233, this key is the down event of last time key, determine that this key is long press operation, then directly
To receiving the up event of the first key or receiving the down event of other keys, terminates this button operation, be registered to card end
System and the key assignments and event type for updating this key.
When it is implemented, card termination is parsed by after the key that transmits of screen end, judge this key with it is upper
Whether the key value of secondary key is identical, if it is identical, then judge the event type of this key, if it is up event, then say
Bright this time button operation terminates, by up event registration into input subsystem after update the key assignments and event type of this key,
Then reset time-out time；If it is down event and last time is up event, then illustrate this button operation be based on last time by
The continuous key-press of key operation operates, by down event registration into input subsystem after update the key assignments and event of this key
Type then resets time-out time.
The present invention also provides a kind of flow chart of the concrete application embodiment of button processing method based on module TV,
As shown in figure 3, method includes:
Step S10, the key value that card end transmits screen end parses；
Step S20, judge whether this key and the key value of last time are consistent, if so, S30 is thened follow the steps, if
It is no, then follow the steps S40；
Step S30, judge the event type of this key, if this time key-press event be up event or down event and on
Secondary key is up event, executes step S50；
Step S40, judge this key-press event type and last time key timeout case, if in time-out time,
S93 is thened follow the steps, if the time has timed out, thens follow the steps S50；
Step S50, this key generation incoming event is registered to Input subsystem；
Step S60, the key assignments and event type of this key are updated；
Step S70, time-out time is reset；
Step S80, add up timing；
Step S90, judge the event type of this key, if detecting down event, then follow the steps S80；
Step S91, whether detection key is overtime, if so, thening follow the steps S92, thens follow the steps S90 if not；
Step S92, this time key generates up event registration into Input system；
Step S93, the key of last time generates up event registration into Input system.
By above method embodiment it is found that passing through the present invention provides a kind of button processing method based on module TV
After the down event for the first key that card end receiving screen end is sent, whether detection card end receives screen end second in the predetermined time
The key-press event of transmission；If in the given time, card termination receives the key-press event sent from screen end, is then parsed, obtained
Take the key assignments and event type of this key；If exceeding the predetermined time, card end does not receive the key sent from screen end, and generation connects
The up event of the first key received.The present invention mends the IR transmitted to mechanism to screen end by setting up key time-out at card end
The imperfect of key carries out judgement and time-out benefit to being registered in system, allows card end that can correctly receive and handle the key at screen end,
Realize that card end also can normal response key when transmitting IR key exception from screen end.It is provided convenience for user using module TV.
On the basis of above method embodiment, the present invention also provides a kind of key processing systems based on module TV
Preferred embodiment functional schematic block diagram, as shown in figure 4, the system comprises:
After the down event for receiving the first key sent with detection module 100 for card end receiving screen end, starting is certain
When device detection card end in the predetermined time whether receive the key-press event that screen end second is sent；As detailed above.
Parsing and registration module 200, if in the given time, card termination receive sent for second from screen end by
Key events are then parsed, and obtain the key assignments and event type of this key, this event registration to card end system and is updated
This time key assignments and event type of key；As detailed above.
Control module 300 is generated and is received if card end does not receive the key sent from screen end for exceeding the predetermined time
This event registration into card end system and is updated the key assignments and event class of this key by the up event of the first key arrived
Type；As detailed above.
The key processing system based on module TV, wherein the reception is specifically included with detection module:
Receiving unit, for the down event for the first key that card end receiving screen end is sent, by this event registration to card
End system, and update the key assignments and event type of this key；As detailed above.
Whether detection unit receives second of the transmission in screen end in the predetermined time for starting timer detection card end
Key-press event；As detailed above.
The key processing system based on module TV, wherein the parsing is specifically included with registration module:
Resolution unit, if card termination is received from second of the screen end key-press event sent, then in the given time
It is parsed；As detailed above.
Judging unit, for judging whether this key is identical as the key value of last time key；As detailed above.
Registering unit, if identical with the key value of last time key for this time key, obtain the key assignments of this key with
Event type by this event registration to card end system and updates the key assignments and event type of this key；As detailed above.
First control unit, if it is different from the key value of last time key for this time key, and would judge last time key thing
Part is in time-out period, then first generates up event registration to last time key and be registered into card end system, then by this key
In card end system, the key assignments and event type of this key are updated；As detailed above.
The key processing system based on module TV, wherein the registering unit specifically includes:
If acquiring unit obtains the key assignments and thing of this key identical as the key assignments of last time key for this time key
Part type；As detailed above.
Second control unit, if for this time key be last time key up event, determine this key be short-press behaviour
Make, terminates this button operation, be registered to card end system and update the key assignments and event type of this key；Specific institute as above
It states.
Third control unit, if for this time key be last time key down event, determine that this key is long-pressing
Operation terminates this button operation, infuses then until receiving the up event of the first key or receiving the down event of other keys
Volume is to card end system and updates the key assignments and event type of this key；As detailed above.
The key processing system based on module TV, wherein the parsing and registration module further include:
Timing reset cell, for resetting the timing of timer, when detection card termination receives the key that screen end is sent
After down event, start timing；As detailed above.
In conclusion the present invention provides a kind of button processing method and system based on module TV, the method packet
Include: card end receiving screen end send the first key down event after, starting one timer detection card end the predetermined time whether
Receive second of the screen end key-press event sent；If in the given time, card termination is received from second of the transmission in screen end
Key-press event is then parsed, the key assignments and event type of this key are obtained, by this event registration to card end system and more
The key assignments and event type of new this time key；If exceeding the predetermined time, card end does not receive the key sent from screen end, and generation connects
This event registration into card end system and is updated the key assignments and event class of this key by the up event of the first key received
Type.It is different that the present invention can solve card end response key caused by malfunctioning or lose into transmission process after card end transmission key at screen end
Chang Wenti, not receiving pairing key-press event at card end also can correctly carry out keystroke handling.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of button processing method based on module TV, which is characterized in that method includes:
A, after the down event for the first key that receiving screen end in card end is sent, starting one timer detection card end is in the predetermined time
It is no to receive second of the screen end key-press event sent；
If B, in the given time, card termination is received from second of the screen end key-press event sent, is then parsed, obtain this
This event registration to card end system and is updated the key assignments and event class of this key by the key assignments and event type of secondary key
Type；
If C, exceeding the predetermined time, card end does not receive the key sent from screen end, generates the up thing of the first key received
This event registration into card end system and is updated the key assignments and event type of this key by part.
2. the button processing method according to claim 1 based on module TV, which is characterized in that the step A is specific
Include:
The down event for the first key that A1, card end receiving screen end are sent, by this event registration to card end system, and updates this
The key assignments and event type of secondary key；
Whether A2, one timer of starting detection card end receive second of the screen end key-press event sent in the predetermined time.
3. the button processing method according to claim 2 based on module TV, which is characterized in that the step B is specific
Include:
If B1, in the given time, card termination is received from second of the screen end key-press event sent, then is parsed；
B2, judge whether this key is identical as the key value of last time key；
If B3, this time key is identical as the key value of last time key, the key assignments and event type of this key are obtained, by this
Event registration is to card end system and updates the key assignments and event type of this key；
If B4, this time key is different from the key value of last time key, and judges that last time key-press event is in time-out period, then first
Up event registration is generated to last time key to be registered in card end system into card end system, then by this key, is updated this time
The key assignments and event type of key.
4. the button processing method according to claim 3 based on module TV, which is characterized in that the step B3 is specific
Include:
If B31, this time key is identical as the key assignments of last time key, the key assignments and event type of this key are obtained；
If B32, this time key are the up events of last time key, determine that this key is short-press operation, terminate this key behaviour
Make, is registered to card end system and updates the key assignments and event type of this key；
If B33, this time key is the down event of last time key, determine that this key is long press operation, then until receiving the
The up event of one key or the down event for receiving other keys, terminate this button operation, are registered to card end system and more
The key assignments and event type of new this time key.
5. the button processing method according to claim 4 based on module TV, which is characterized in that after the step B4
Further include:
B5, the timing for resetting timer start to count after detection card termination receives the key down event that screen end is sent
When.
6. a kind of key processing system based on module TV, which is characterized in that system includes:
Receive and detection module, for card end receiving screen end send the first key down event after, starting one timer inspection
It surveys card end and whether receives second of the screen end key-press event sent in the predetermined time；
Parsing and registration module, if card termination is received from second of the screen end key-press event sent in the given time,
It is then parsed, obtains the key assignments and event type of this key, by this event registration to card end system and update is this time pressed
The key assignments and event type of key；
Control module generates first received if card end does not receive the key sent from screen end for exceeding the predetermined time
This event registration into card end system and is updated the key assignments and event type of this key by the up event of key.
7. the key processing system according to claim 6 based on module TV, which is characterized in that the reception and detection
Module specifically includes:
Receiving unit, for the down event for the first key that card end receiving screen end is sent, by this event registration to card end system
System, and update the key assignments and event type of this key；
Whether detection unit receives second of the screen end key sent in the predetermined time for starting timer detection card end
Event.
8. the key processing system according to claim 7 based on module TV, which is characterized in that the parsing and registration
Module specifically includes:
Resolution unit then carries out if card termination is received from second of the screen end key-press event sent in the given time
Parsing；
Judging unit, for judging whether this key is identical as the key value of last time key；
If registering unit obtains the key assignments and event of this key identical as the key value of last time key for this time key
Type by this event registration to card end system and updates the key assignments and event type of this key；
First control unit, if it is different from the key value of last time key for this time key, and judge at last time key-press event
In time-out period, then up event registration first is generated to last time key and be registered to card end into card end system, then by this key
In system, the key assignments and event type of this key are updated.
9. the key processing system according to claim 8 based on module TV, which is characterized in that the registering unit tool
Body includes:
If acquiring unit obtains the key assignments and event class of this key identical as the key assignments of last time key for this time key
Type；
Second control unit, if for this time key be last time key up event, determine this key be short-press operation, knot
This button operation of beam, is registered to card end system and updates the key assignments and event type of this key；
Third control unit, if for this time key be last time key down event, determine that this key is long press operation,
Then until receiving the up event of the first key or receiving the down event of other keys, terminates this button operation, be registered to
Card end system and the key assignments and event type for updating this key.
10. the key processing system according to claim 9 based on module TV, which is characterized in that the parsing and note
Volume module further include:
Timing reset cell, for resetting the timing of timer, when detection card termination receives the key down that screen end is sent
After event, start timing.
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| CN112073779B (en) * | 2019-06-10 | 2023-02-17 | 海信视像科技股份有限公司 | Display device and fault-tolerant method for key transmission |
| CN112073778A (en) * | 2019-06-10 | 2020-12-11 | 海信视像科技股份有限公司 | Display device and fault-tolerant method for key transmission |
| CN111131897B (en) * | 2019-12-24 | 2022-10-04 | 深圳Tcl新技术有限公司 | Television BGM updating method and device and computer readable storage medium |
| CN112882850B (en) * | 2021-03-09 | 2023-08-25 | 抖音视界有限公司 | Key event processing method, device, equipment and storage medium |
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