CN104661016A - Detecting method and electronic device - Google Patents
Detecting method and electronic device Download PDFInfo
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- CN104661016A CN104661016A CN201310589809.8A CN201310589809A CN104661016A CN 104661016 A CN104661016 A CN 104661016A CN 201310589809 A CN201310589809 A CN 201310589809A CN 104661016 A CN104661016 A CN 104661016A
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Abstract
The invention discloses a detecting method and an electronic device used for being connected with a display device through a high-definition multimedia interface. The detecting method comprises the following steps: detecting a hot plug signal which is output from the high-definition multimedia interface to the electronic device; judging whether the hot plug signal is a hot plug-in signal or a first hot plug-out signal so as to dynamically adjust the operation state of the electronic device.
Description
Technical field
The present invention relates to a kind of method for detecting and electronic installation thereof, particularly relate to a kind of by corresponding to HDMI (High Definition Multimedia Interface) (High-Definition Multimedia Interface in detecting display unit, HDMI) hot plug (Hot plug in ╱ out) signal, dynamic conditioning is coupled to method for detecting and the electronic installation thereof of the electronic installation operating state of HDMI (High Definition Multimedia Interface).
Background technology
In general, on such as machine, the multimedia playing apparatus of box and so on exports video-audio signal to display device by Port usually.In order to the signal of video signal interface of supporting in response to display device, multimedia playing apparatus is configured with usually the Port being compatible to distinct interface (interface), such as, composite video signal interface (Composite video), S video signal interface (S-Video), color difference video signal interface (Component Video), digital video interface interface (Digital Visual Interface, and high-definition multi-media interface interface (High Definition Multimedia Interface, HDMI) etc. DVI).Traditionally, when reality uses, the display unit same time only can play one of them signal source of multiple interface, such as, play HDMI (High Definition Multimedia Interface) (HDMI) signal source.。Especially, when multimedia playing apparatus passes through HDMI (High Definition Multimedia Interface) (HDMI) output image signal to display device, and display device switches when leaving signal source corresponding to (switch off) HDMI (High Definition Multimedia Interface) (HDMI), multimedia playing apparatus cannot learn the signal of video signal that display device has not been had play multimedia playing device and provided by HDMI (High Definition Multimedia Interface) (HDMI), causes multimedia playing apparatus to continue to produce meaningless power consumption.
Summary of the invention
In order to solve the above problems, the invention provides a kind of hot plug (Hot plug in ╱ out) signal by corresponding to HDMI (High Definition Multimedia Interface) (HDMI) in detecting display unit, dynamic conditioning is coupled to method for detecting and the electronic installation thereof of the operating state of the electronic installation of HDMI (High Definition Multimedia Interface).
The present invention discloses a kind of method for detecting, and for being connected to an electronic installation of a display unit by a HDMI (High Definition Multimedia Interface), this method for detecting comprises: detect the hot plug signal that this HDMI (High Definition Multimedia Interface) exports this electronic installation to; And judge this hot plug signal for a heat insert signal and one first hot drawing go out both signals one of them, with an operating state of this electronic installation of dynamic conditioning.
The present invention separately discloses a kind of electronic installation, is connected to a display unit by a HDMI (High Definition Multimedia Interface), and this electronic installation comprises: a processing unit; And a storage element, be used for storage one program code, this program code indicates this processing unit to perform following steps: detect the hot plug signal that this HDMI (High Definition Multimedia Interface) exports this electronic installation to; And judge this hot plug signal for a heat insert signal and one first hot drawing go out both signals one of them, with an operating state of this electronic installation of dynamic conditioning.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the embodiment of the present invention one multimedia play system 10.
Fig. 2 is the flow chart of the embodiment of the present invention one method for detecting 20.
Fig. 3 is the flow chart of the embodiment of the present invention one method for detecting 30.
Wherein, description of reference numerals is as follows:
10 multimedia play systems
100 display unit
102 electronic installations
104 processing units
106 storage elements
108 program codes
20,30 method for detecting
200 ~ 210,300 ~ 320 steps
HP hot plug signal
HPI heat inserts signal
HPO_1 first hot drawing goes out signal
HPO_2 second hot drawing goes out signal
Embodiment
Please refer to Fig. 1, Fig. 1 is the schematic diagram of the embodiment of the present invention one multimedia play system 10.Multimedia play system 10 comprises display unit 100 and an electronic installation 102.Display unit 100 is connected to electronic installation 102 by a HDMI (High Definition Multimedia Interface) (HDMI).Electronic installation 102 is used for the video-audio signal of outside source SOU_E to be converted to suitable signal source SOU, plays for display unit 100.Electronic installation 102 comprises processing unit 104 and a storage element 106.Processing unit 104 can be a microprocessor or an ASIC(Application Specific Integrated Circuit) (Application-Specific IntegratedCircuit, ASIC).Storage element 106 can be arbitrary data memory device, is used for storage one program code 108, and processing unit 104 reads and executive program code 108 by storage element 106.For example, storage element 106 can be subscriber identification module (Subscriber Identity Module, SIM), read-only internal memory (Read-Only Memory, ROM), random access memory (Random-Access Memory, RAM), compact disc read-only memory (CD-ROM/DVD-ROM), tape (magnetic tape), hard disk (hard disk) and optical data storage device (optical data storage device) etc., and to be not limited thereto.
Please refer to Fig. 2, Fig. 2 is the flow chart of the embodiment of the present invention one method for detecting 20.Method for detecting 20 is for the electronic installation 102 in Fig. 1, its HDMI (High Definition Multimedia Interface) (HDMI) that can be used to according to display unit 100 exports a hot plug (Hot plug in ╱ out) the signal HP of electronic installation 102 to, an operating state of adjustment electronic installation 102.Method for detecting 20 can be compiled as the program code 108 shown in Fig. 1, and comprises following steps:
Step 200: start.
Step 202: the HDMI (High Definition Multimedia Interface) of detecting display unit 100 exports the hot plug signal HP of electronic installation 102 to.
Step 204: judge hot plug signal HP as heat insert (hot plug in) signal HPI and a hot drawing go out (hot plug out) both signal HPO one of them, if hot plug signal HP be heat insert signal HPI, execution step 206; If hot plug signal HP is the first hot drawing go out signal HPO_1, perform step 208.
Step 206: the operating state of adjustment electronic installation 102 is adjusted to a starting state.
Step 208: the operating state of adjustment electronic installation 102 is adjusted to a holding state.
Step 210: terminate.
According to method for detecting 20, electronic installation 102 exports the hot plug signal HP of electronic installation 102 to by detecting HDMI (High Definition Multimedia Interface) (HDMI), judge hot plug signal HP as heat insert signal HPI and the first hot drawing go out both signal HPO_1 one of them, thus learn whether display unit 100 plays the video-audio signal being sent to the signal source SOU of display unit 100 by HDMI (High Definition Multimedia Interface) (HDMI).According to hot plug signal HP for heat insert signal HPI and the first hot drawing go out both signal HPO_1 one of them, the operating state of electronic installation 102 can be dynamically adjusted.For example, when hot plug signal HP is heat insertion (hot plug in) signal HPI, the operating state of electronic installation 102 can be adjusted to a starting state (active state), so that the video-audio signal of outside source SOU_E is converted to suitable signal source SOU, thus signal source SOU supply display unit 100 is play.And when hot plug signal HP be hot drawing go out (hot plug out) signal HPO time, the operating state of electronic installation 102 can be adjusted to a holding state (standby ╱ idle state), to stop the running of the interlock circuit performing converts external signal source SOU_E and signal source output SOU in electronic installation 102, thus reduce the power consumption of electronic installation 102 and extend useful life of electronic installation 102.
Should be noted, whether hot plug signal HP the actual insert action of Signal connector of non-limiting connection HDMI (High Definition Multimedia Interface) (HDMI) and pull action are performed, and can be used to instruction display unit 100 and whether play the video-audio signal being sent to the signal source SOU of display unit 100 by HDMI (High Definition Multimedia Interface) (HDMI).For example, when display unit 100 gets back to the video-audio signal of (switch on) play signal source SOU by other signal sources of broadcasting (such as: digital video interface interface (DVI)) switching, the hot plug signal HP that display unit 100 exports is that heat inserts signal HPI, is adjusted to starting state to make the operating state of electronic installation 102; And when display unit 100 leaves (switch off) to when playing other signal sources by the video-audio signal switching of play signal source SOU, the hot plug signal HP that display unit 100 exports is that the first hot drawing goes out signal HPO_1, is adjusted to holding state to make the operating state of electronic installation 102.In brief, display unit 100 can according to whether switching HDMI (High Definition Multimedia Interface) (HDMI) signal source, the output foundation that signal HPO_1 and this heat insert signal HPI is gone out as this first hot drawing, and without the need for the actual insert action of HDMI (High Definition Multimedia Interface) (HDMI) Signal connector and pull action.
Please refer to Fig. 3, Fig. 3 is the flow chart of the embodiment of the present invention one method for detecting 30.Method for detecting 30 is an implementation of the method for detecting 20 shown in Fig. 2, and it can be used to the hot plug signal HP exporting electronic installation 102 according to the HDMI (High Definition Multimedia Interface) of display unit 100 to, the operating state of adjustment electronic installation 102.Method for detecting 30 can be compiled as the program code 108 shown in Fig. 1, and it comprises following steps:
Step 300: start.
Step 302: the HDMI (High Definition Multimedia Interface) of detecting display unit 100 exports the hot plug signal HP of electronic installation 102 to.
Step 304: judge whether hot plug signal HP is that this first hot drawing goes out signal HPO_1, if so, performs step 306; If not, step 316 is performed.
Step 306: reset and start a timer.
Step 308: in during when judging that timer expires, whether hot plug signal HP separately indicates one second hot drawing to go out signal HPO_2, if hot plug signal HP separately indicates this second hot drawing to go out signal HPO_2 in during when timer expires, performs step 306; If not, step 310 is performed.
Step 310: whether the operating state judging electronic installation 102 is starting state, if so, performs step 312; If not, step 316 is performed.
Step 312: judge whether electronic installation 102 connects (physical connection) in display unit 100 through HDMI (High Definition Multimedia Interface) (HDMI) entity, if so, performs step 316; If not, step 314 is performed.
Step 314: the operating state of adjustment electronic installation 102 is holding state.
Step 316: ignore hot plug signal HP.
Step 318: whether the operating state judging electronic installation 102 is starting state, if so, performs step 316; If not, step 320 is performed.
Step 320: the operating state of adjustment electronic installation 102 is starting state.
According to method for detecting 30, electronic installation 102 exports the hot plug signal HP of electronic installation 102 to by detecting HDMI (High Definition Multimedia Interface) (HDMI), judge hot plug signal HP as heat insert signal HPI and the first hot drawing go out both signal HPO_1 one of them, thus learn whether display unit 100 plays the video-audio signal being sent to the signal source SOU of display unit 100 by HDMI (High Definition Multimedia Interface) (HDMI).According to hot plug signal HP for heat insert signal HPI and the first hot drawing go out both signal HPO_1 one of them, the operating state of electronic installation 102 can be dynamically adjusted.Because display unit 100 may repeatedly switching signal source at short notice, therefore method for detecting 30 avoids the operating state of electronic installation 102 to be switched mistakenly by using timer.Thus, according to hot plug signal HP for heat insert signal HPI and the first hot drawing go out both signal HPO_1 one of them, the operating state of electronic installation 102 can by switching at runtime, thus the power consumption of electronic installation 102 can be lowered and can be inductively coupled to ground the useful life of electronic installation 102.
Operation situation about method for detecting 30 illustrates as follows.When HDMI (High Definition Multimedia Interface) (HDMI) signal source is left in display unit 100 switching (when switching to digital video interface interface (DVI) signal source from HDMI (High Definition Multimedia Interface) (HDMI) signal source, or display unit 100 is when shutting down), display unit 100 send correspond to current demand signal source broadcast state hot plug signal HP to electronic installation 102.After receiving the hot plug signal HP corresponding to current demand signal source broadcast state, first electronic installation 102 judges whether hot plug signal HP is that the first hot drawing goes out signal HPO_1(step 302,304).For example, when the voltage of hot plug signal HP is less than a predetermined voltage threshold (as 2.0 volts or 2.4 volts), judge that hot plug signal HP is that the first hot drawing goes out signal HPO_1.If hot plug signal HP is the first hot drawing go out signal HPO_1, electronic installation 102 starts a timer to avoid the operating state (step 306) that mistake switches electronic installation 102.Next, if hot plug signal HP another instruction one second hot drawing within this timer overdue period goes out signal HPO_2, electronic installation 102 resets and starts this timer (namely getting back to step 306), to avoid the operating state switching electronic installation 102 mistakenly; If before this timer expires, hot plug signal HP does not indicate this second hot drawing to go out signal HPO_2, and electronic installation 102 determines whether adjust operating state (step 308,310) according to current operating state further.Even if it is noted that hot plug signal HP separately indicates heat to insert signal within timer overdue period, electronic installation 102 can not reset timer, and timer is allowed to continue counting.In the case, if current operating state non-be starting state (as being holding state), electronic installation 102 does not adjust operating state (step 316); If the current operating state of electronic installation 102 is starting state, the annexation between electronic installation 102 bases itself and display unit 100, determines whether adjust operating state (step 312).Now, if electronic installation 102 entity is connected to display unit 100, hot plug signal HP(step 316 ignored by electronic installation 102); Otherwise if the non-entity of electronic installation 102 is connected to display unit 100, it is holding state (step 314) that electronic installation 102 adjusts operating state.By using timer, when repeatedly changing the broadcast state indicated by hot plug signal HP in display unit 100 short time, electronic installation 102 can be avoided frequently switching operating state and cause bad user to experience.
Further, as the hot plug signal HP received corresponding to current demand signal source broadcast state and judge hot plug signal HP as heat insert signal HPI time, whether the operating state of electronic installation 102 judgement itself is starting state (step 304,318).Now, if the operating state of electronic installation 102 is starting state, hot plug signal HP(step 316 ignored by electronic installation 102), and if the operating state of electronic installation 102 is holding state, it is starting state (step 320) that electronic installation 102 adjusts operating state.Thus, electronic installation 102 can exactly according to the hot plug signal HP that the HDMI (High Definition Multimedia Interface) (HDMI) of display unit 100 exports, the operating state of adjustment itself, thus reduce the power consumption of electronic installation 102 and extend useful life of electronic installation 102.
Should be noted, above-described embodiment is by corresponding to the hot plug signal HP of HDMI (High Definition Multimedia Interface) (HDMI) in detecting display unit, adjustment is coupled to the operating state of the electronic installation of HDMI (High Definition Multimedia Interface) (HDMI), thus reduces the power consumption of this electronic installation and extend useful life of this electronic installation.According to different application and design concept, those skilled in the art should implement suitable variation and amendment according to this.For example, when the operating state of electronic installation 102 according to hot plug signal HP switching itself, electronic installation 102 can separately by the switching notice of operating state other application or service (service) formula (as daemon).Thus the information broadcasting of display unit 100 is provided.Accordingly, application or service (service) formula can judge startup or the holding state of electronic installation further, do the evaluation mechanism of audience rating investigating as content operator.Such as, when actual program is sent to electronic installation from content operator, if electronic installation enters holding state, then actual program successfully cannot be sent to electronic installation.Therefore, the application of content operator or service formula can calculate the number of the electronic installation watched actual program or be in holding state, to obtain required statistics.
Those skilled in the art when being combined, modify or change above-described embodiment according to spirit of the present invention, and are not limited thereto.The step of aforesaid all flow processs realizes by device (comprising proposed steps), device can be hardware, firmware (be the combination of hardware unit and computer instruction and data, and computer instruction and data belong to hardware unit only reads software) or electronic system.Hardware can be analogy micro-computer circuit, numerical digit micro-computer circuit, hybrid micro-computer circuit, microcomputer chip or silicon.Electronic system can be system single chip (system on chip, SOC), system in package (systemin package, SiP), embedded computer (computer on module, COM) and electronic installation 102.
In sum, the method for detecting of above-described embodiment and electronic installation thereof are by corresponding to the hot plug signal HP of HDMI (High Definition Multimedia Interface) (HDMI) in detecting display unit, adjustment is coupled to the operating state of the electronic installation of HDMI (High Definition Multimedia Interface).Accordingly, the power consumption of electronic installation can be lowered, and the useful life of electronic installation can be inductively coupled to ground.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a method for detecting, for being connected to an electronic installation of this display unit by a HDMI (High Definition Multimedia Interface) of a display unit, this method for detecting comprises:
This HDMI (High Definition Multimedia Interface) detecting this display unit exports a hot plug signal of this electronic installation to; And
Judge this hot plug signal for a heat insert signal and one first hot drawing go out both signals one of them, with an operating state of this electronic installation of dynamic conditioning.
2. method for detecting as claimed in claim 1, it is characterized in that judging this hot plug signal for this heat insertion signal and this first hot drawing go out both signals one of them, comprise with the step of this operating state of this electronic installation of dynamic conditioning:
When judging that this hot plug signal inserts signal as this heat, adjusting this operating state and indicating a starting state.
3. method for detecting as claimed in claim 2, is characterized in that, when judging that this hot plug signal inserts signal as this heat, adjusting this operating state and indicating the step of this starting state to comprise:
When judging that this hot plug signal is as this heat insertion signal, and when this operating state is a holding state, adjusting this operating state is this starting state.
4. method for detecting as claimed in claim 1, it is characterized in that judging this hot plug signal for this heat insertion signal and this first hot drawing go out both signals one of them, comprise with the step of this operating state of this electronic installation of dynamic conditioning:
When judging that this hot plug signal goes out signal as this first hot drawing, adjusting this operating state is a holding state.
5. method for detecting as claimed in claim 4, is characterized in that when judging that this hot plug signal goes out signal as this first hot drawing, and this operating state adjusting this electronic installation is that the step of this holding state comprises:
When judging that this hot plug signal goes out signal as this first hot drawing, resetting and starting a timer, and in this timer of what overdue period, judging whether this hot plug signal separately indicates one second hot drawing to go out signal;
If in this timer overdue period this hot plug signal do not indicate this second hot drawing to go out signal and this timer expires time this operating state be a starting state, adjusting this operating state is this holding state; And
If when this hot plug signal separately indicates this second hot drawing to go out signal in this timer overdue period, remake and start this timer.
6. method for detecting as claimed in claim 5, if to it is characterized in that in this timer overdue period, this hot plug signal does not indicate this second hot drawing to go out signal and this timer expires time this operating state be this starting state, adjusting this operating state is that the step of this holding state comprises:
If in this timer overdue period this hot plug signal do not indicate this second hot drawing to go out signal and this timer expires time this operating state be this starting state, judge whether entity is connected to this display unit to this electronic installation;
If the non-entity of this electronic installation is connected to this display unit, adjusting this operating state is this holding state.
7. method for detecting as claimed in claim 1, is characterized in that this method for detecting separately comprises:
When this display unit switch leave this electronic installation be output in the signal source of this HDMI (High Definition Multimedia Interface) time, this hot plug signal that this display unit exports inserts signal change output by this heat and goes out signal for this first hot drawing, to indicate, this operating state is adjusted to a holding state; And
When this display unit switch get back to this electronic installation be output in the signal source of this HDMI (High Definition Multimedia Interface) time, this hot plug signal that this display unit exports goes out signal by this first hot drawing and changes output for this heat insertion signal, to indicate, this operating state is adjusted to a starting state.
8. an electronic installation, is connected to a display unit by a HDMI (High Definition Multimedia Interface), and this electronic installation comprises:
One processing unit; And
One storage element, is used for storage one program code, and this program code indicates this processing unit to perform following steps:
Detect the hot plug signal that this HDMI (High Definition Multimedia Interface) exports this electronic installation to; And
Judge this hot plug signal for a heat insert signal and one first hot drawing go out both signals one of them, with an operating state of this electronic installation of dynamic conditioning.
9. electronic installation as claimed in claim 7, it is characterized in that judging this hot plug signal for this heat insertion signal and this first hot drawing go out both signals one of them, comprise with the step of this operating state of this electronic installation of dynamic conditioning:
When judging that this hot plug signal inserts signal as this heat, adjusting this operating state and indicating a starting state.
10. electronic installation as claimed in claim 8, is characterized in that, when judging that this hot plug signal inserts signal as this heat, adjusting this operating state and indicating the step of this starting state to comprise:
When judging that this hot plug signal is as this heat insertion signal, and when this operating state is a holding state, adjusting this operating state is this starting state.
11. electronic installation as claimed in claim 7, it is characterized in that judging this hot plug signal for this heat insertion signal and this first hot drawing go out both signals one of them, comprise with the step of this operating state of this electronic installation of dynamic conditioning:
When judging that this hot plug signal goes out signal as this first hot drawing, adjusting this operating state is a holding state.
12. electronic installations as claimed in claim 10, is characterized in that when judging that this hot plug signal goes out signal as this first hot drawing, and this operating state adjusting this electronic installation is that the step of this holding state comprises:
When judging that this hot plug signal goes out signal as this first hot drawing, resetting and starting a timer, and in this timer of what overdue period, judging whether this hot plug signal separately indicates one second hot drawing to go out signal;
If in this timer overdue period this hot plug signal do not indicate this second hot drawing to go out signal and this timer expires time this operating state be a starting state, adjusting this operating state is this holding state; And
If when this hot plug signal separately indicates this second hot drawing to go out signal in this timer overdue period, remake and start this timer.
13. electronic installations as claimed in claim 7, is characterized in that the step that this program code separately indicates this processing unit to perform separately comprises:
When this display unit switch leave this electronic installation be output in the signal source of this HDMI (High Definition Multimedia Interface) time, this hot plug signal that this display unit exports inserts signal change output by this heat and goes out signal for this first hot drawing, to indicate, this operating state is adjusted to a holding state; And
When this display unit switch get back to this electronic installation be output in the signal source of this HDMI (High Definition Multimedia Interface) time, this hot plug signal that this display unit exports goes out signal by this first hot drawing and changes output for this heat insertion signal, to indicate, this operating state is adjusted to a starting state.
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| CN201310589809.8A CN104661016A (en) | 2013-11-20 | 2013-11-20 | Detecting method and electronic device |
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| CN201310589809.8A CN104661016A (en) | 2013-11-20 | 2013-11-20 | Detecting method and electronic device |
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| CN111246199A (en) * | 2019-12-31 | 2020-06-05 | 歌尔股份有限公司 | Control method and device for camera test, terminal equipment and storage medium |
| CN111246199B (en) * | 2019-12-31 | 2022-02-18 | 歌尔光学科技有限公司 | Control method and device for camera test, terminal equipment and storage medium |
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Application publication date: 20150527 |