CN104298635A - Method and device for recognizing equipment version information through GPIO port line - Google Patents
Method and device for recognizing equipment version information through GPIO port line Download PDFInfo
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- CN104298635A CN104298635A CN201410506286.0A CN201410506286A CN104298635A CN 104298635 A CN104298635 A CN 104298635A CN 201410506286 A CN201410506286 A CN 201410506286A CN 104298635 A CN104298635 A CN 104298635A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
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Abstract
The invention provides a method and device for recognizing equipment version information through a GPIO port line. The method includes the steps that the port line on a piece of equipment is configured to be in one of the three recognition states of a high-level recognition state, a low-level recognition state and a suspension state according to the version information of the equipment, and the port line serves as the version recognition port line of the equipment; The GPIO port line is connected with the version recognition port line; the GPIO port line is sequentially connected with a pull-up resistor and a pull-down resistor, and the states of the GPIO port line are read sequentially; the recognition state of the equipment is obtained through the two read results, the version information of the equipment is obtained by comparing the equipment recognition state and the equipment recognition state configured in advance. By means of the method and device for recognizing the equipment version information through the GPIO port line, 3N (N represents the number of port lines) different configuration recognition schemes of the equipment to be recognized can be provided, the version of the equipment is judged by reading the state of the connected GPIO port line without altering the software version information of the equipment.
Description
Technical field
The present invention relates to the mouth line identification field of electronic equipment, specifically be a kind of method and device of GPIO mouth line identification equipment version information.
Background technology
In the electronic equipment of prior art, normal to the module that should have different configuration version in a machine, and the drive IC that modules is corresponding different, system CPU needs to know which configuration version is presently used module be when transferring corresponding drive software and making.Traditional scheme uses disparate modules to need to coordinate different software carriers, often occurs the phenomenon that the hardware debug version of various version mixes, is inconvenient to produce and manage, and easily makes mistakes.Therefore, often through the height two states of mouth line, judge the version configuration of disparate modules.During as certain GPIO mouth line display high " 1 ", represent color screen liquid crystal display; When showing low " 0 ", represent screen liquid crystal, different versions is configured for the different liquid crystal drive of system loads.But in the mode of existing use GPIO mouth line identification module version, a GPIO mouth line only has height two kinds of modes, and two mouth lines can only configure 2
nkind of identifying schemes, namely 00,01,10,11, the module release state that can identify is very limited, along with electronic devices structure is more complicated, configure more various development trend, will the demand of very difficult realistic utilization.Therefore, be necessary to provide one can identify more kinds of state, with the method for the GPIO mouth line identification equipment version information of the more module release of correspondence and device.
Summary of the invention
Technical matters to be solved by this invention is: the method and the device that provide a kind of GPIO mouth line identification version information, and solving prior art needs the configuration software carrier corresponding with equipment to carry out identifying or the recognition methods of existing GPIO mouth line can only identify 2
nplant the deficiency of configuration version.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of method of GPIO mouth line identification equipment version information, comprising:
Mouth line on equipment is configured to the one in high level, low level or unsettled three kinds of status recognitions by the version information according to equipment, and described mouth line is as the version identification mouth line of equipment;
Connect described GPIO mouth line and described version identification mouth line;
Described GPIO mouth line is connected pull-up resistor and pull down resistor successively, and reads the state of described GPIO mouth line successively;
Obtained the status recognition of described equipment by the reading result of twice, contrast the version information that status recognition information that described equipment configures in advance obtains equipment.
The present invention also provides another technical scheme to be:
A device for GPIO mouth line identification equipment version information, comprises configuration module, link block, read module and identification module;
Described configuration module, for according to the version information of equipment the mouth line on equipment being configured to the one in high level, low level or unsettled three kinds of status recognitions, described mouth line is as the version identification mouth line of equipment;
Described link block, for connecting described GPIO mouth line and described version identification mouth line;
Described read module, for described GPIO mouth line is connected pull-up resistor and pull down resistor successively, and reads the state of described GPIO mouth line successively;
Described identification module, for being obtained the status recognition of described equipment by the reading result of twice, contrasts the version information that status recognition information that described equipment configures in advance obtains equipment.
Beneficial effect of the present invention is: if be different from the equipment being equipped with miscellaneous editions in prior art in system simultaneously, needs corresponding configuration different software carrier for the inconvenience that identifies and problem of easily makeing mistakes, and can only provide 2 by the recognition methods of GPIO mouth line
nkind of identifying schemes, and identify the deficiency that two or more version just needs many GPIO mouth lines and could realize simultaneously.The invention provides a kind of method and device of GPIO mouth line identification equipment version information, when not revising software version information, the version information of identification equipment can be carried out by the state reading GPIO mouth line, load accurately to call corresponding software.Concrete, by the version information according to equipment the mouth line on equipment is configured to the one in high level, low level or unsettled three kinds of status recognitions, the version identification mouth line of this mouthful of line as equipment is connected with GPIO mouth line, just can provides the equipment of being identified 3
nplant different version allocation plans, can existing equipment be better met of a great variety, be difficult to the problem of identification; And the high and low level of the GPIO mouth line of on CPU and vacant state fully all use by the present invention, realize identifying the equipment of the multi version of more than three kinds, the version information not being confined to a GPIO mouth line and only can identifying maximum two kinds simultaneously.The present invention better can cater to the development of science and technology, provides more allocation plan, meet the identification of more different editions equipment, and identifying is easier and accurate; Further, transfer corresponding driving accurately according to recognition result, achieve the compatibility of multiple different editions equipment in system.
Accompanying drawing explanation
Fig. 1 is the basic FB(flow block) of the method for a kind of GPIO of embodiment of the present invention mouth line identification equipment version information;
Fig. 2 is the cut-away view of the GPIO of CPU in the method for a kind of GPIO mouth of embodiment of the present invention line identification equipment version information;
Fig. 3 is the method for the embodiment of the present invention one one kinds of GPIO mouth line identification equipment version informations and the circuit connection diagram of device;
Fig. 4 is the method for the embodiment of the present invention 21 kinds of GPIO mouth line identification equipment version informations and the circuit connection diagram of device;
Fig. 5 is the method for the embodiment of the present invention 31 kinds of GPIO mouth line identification equipment version informations and the circuit connection diagram of device.
Embodiment
By describing technology contents of the present invention in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with embodiment.
The design of most critical of the present invention is: the mouth line on equipment is configured to one in high level, low level or unsettled three kinds of status recognitions as version identification mouth line according to version information, provides the equipment of being identified 3
nplanting allocation plan, the version of judgment device can be carried out when not revising device software version information by the state reading access GPIO mouth line.
Please refer to Fig. 1 to Fig. 5, a kind of method of GPIO mouth line identification equipment version information, comprising:
Mouth line on equipment is configured to the one in high level, low level or unsettled three kinds of status recognitions by the version information according to equipment, and described mouth line is as the version identification mouth line of equipment;
Connect described GPIO mouth line and described version identification mouth line;
Described GPIO mouth line is connected pull-up resistor and pull down resistor successively, and reads the state of described GPIO mouth line successively;
Obtained the status recognition of described equipment by the reading result of twice, contrast the version information that status recognition information that described equipment configures in advance obtains equipment.
From foregoing description, beneficial effect of the present invention is: a kind of method that the invention provides GPIO mouth line identification equipment version information, can when not revising software version information, carried out the version information of identification equipment by the state reading GPIO mouth line, load accurately to call corresponding software.Concrete, by the version information according to equipment the mouth line on equipment is configured to the one in high level, low level or unsettled three kinds of status recognitions, the version identification mouth line of this mouthful of line as equipment is connected with GPIO mouth line, just can provides the equipment of being identified 3
nplant different version allocation plans, can existing equipment be better met of a great variety, be difficult to the problem of identification; And the high and low level of the GPIO mouth line of on CPU and vacant state fully all use by the present invention, realize identifying the equipment of the multi version of more than three kinds, the version information not being confined to a GPIO mouth line and only can identifying maximum two kinds simultaneously.The present invention better can cater to the development of science and technology, provides more allocation plan, meet the identification of more different editions equipment, and identifying is easier and accurate; Further, transfer corresponding driving accurately according to recognition result, achieve the compatibility of multiple different editions equipment in system.
It should be noted that, the inner GPIO interface of CPU of prior art all only defines two states, and the identification mouth line on corresponding equipment also only has the allocation plan of maximum two kinds, and N is the quantity identifying mouth line and GPIO mouth line, then provide 2
nplant identifying schemes.If be equipped with the equipment of the different editions of more than three in system simultaneously, just cannot identify comprehensively.And GPIO interface of the present invention defines a vacant state more, the identification mouth line of corresponding device just can provide 3
nkind of identifying schemes, general vacant state is not easy to expect because unsettled time CPU inner GPIO mouth line to be configured to pull-up and these two modes of operation of pull down resistor, then go reading information.
The reading state level of the GPIO mouth line of CPU inside is Vin, version identification mouth line through the equipment of configuration accesses from Vin, the version of judgment device is carried out by the height state reading Vin successively, access hole is set to weak pull-down input and weak pull-up input two states: if it is all high for reading out, representing by read signal is 1; If it is all low for reading out, representing by read signal is 0; Drop-down input is read as 0, and pull-up is input as 1, then representing by read signal is unsettled state (namely high-impedance state), and then calls corresponding driven by program.
Further, the mouth line number on described GPIO mouth line and described equipment is two or more.
Seen from the above description, the version identification mouth line of 1 root device can be configured to the one in high level, low level or unsettled three state according to the version information of equipment, respectively correspondence 1,0 or * state; 2 mouth lines just can realize 9 kinds of configurations identify (00,01,10,11, * 0, * 1,0*, 1*, * *), more allocation plan is identified for the equipment being configured with more than three kinds different editions information in system provides simultaneously, reduce the utilization factor of mouth line simultaneously, improve recognition efficiency.
Further, also comprise and call the corresponding step driven of described equipment with the CPU of described equipment connection according to the version information of described equipment.
Seen from the above description, the recognition methods of different editions equipment of the present invention, can when not revising the software version information of equipment, the version configuration information of equipment is obtained according to the state Direct Recognition reading GPIO mouth line, to transfer corresponding software-driven accurately to load, reach the compatibility on equipment de-sign.
Further, the pull down resistor of described GPIO mouth line connection and the resistance of pull-up resistor are within the scope of 1 ~ 100K.
The present invention also provides another technical scheme:
Comprise configuration module, link block, read module and identification module;
Described configuration module, for according to the version information of equipment the mouth line on equipment being configured to the one in high level, low level or unsettled three kinds of status recognitions, described mouth line is as the version identification mouth line of equipment;
Described link block, for connecting described GPIO mouth line and described version identification mouth line;
Described read module, for described GPIO mouth line is connected pull-up resistor and pull down resistor successively, and reads the state of described GPIO mouth line successively;
Described identification module, for being obtained the status recognition of described equipment by the reading result of twice, contrasts the version information that status recognition information that described equipment configures in advance obtains equipment.
From foregoing description, beneficial effect of the present invention is: the device that the invention provides a kind of GPIO mouth line identification equipment version information, can when not revising software version information, carried out the version information of identification equipment by the state of read module reading GPIO mouth line, load accurately to call corresponding software.Concrete, according to the version information of equipment the mouth line on equipment to be configured to the one in high level, low level or unsettled three kinds of status recognitions by configuration module, by link block, the version identification mouth line of this mouthful of line as equipment is connected with GPIO mouth line, just can provides the equipment of being identified 3
nplant different version allocation plans, can existing equipment be better met of a great variety, be difficult to the problem of identification; And the high and low level of the GPIO mouth line of on CPU and vacant state fully all use by the present invention, realize identifying the equipment of the multi version of more than three kinds, the version information not being confined to a GPIO mouth line and only can identifying maximum two kinds simultaneously.The present invention better can cater to the development of science and technology, provides more allocation plan, meet the identification of more different editions equipment, and identifying is easier and accurate; Further, transfer corresponding driving accurately according to recognition result, achieve the compatibility of multiple different editions equipment in system.
Further, the mouth line number on described GPIO mouth line and described equipment is two or more.
Further, also driver module is comprised;
Described driver module, for calling according to the version information of described equipment with the CPU of described equipment connection, described equipment is corresponding to be driven.
Further, the pull down resistor of described GPIO mouth line connection and the resistance of pull-up resistor are within the scope of 1 ~ 100K.
Further, described equipment is body of liquid crystal or battery or printer.
Please refer to Fig. 3, embodiments of the invention one are:
CPU uses 3.3V to power, at CMOS interface incoming level V
iH>0.7VDD, VIH=2.3V and V
iL<0.3, VIL=1V.
Read GIPO mouth line states level Vin, it is then 1 that Vin level is greater than 2.3V, and being less than 1V is then 0, and preferably, the upper pull down resistor of the inner configurable 100K of described CPU, the GPIO mouth line structure of CPU inside is as figure.
Described equipment is liquid crystal, use the liquid crystal of A/B/C tri-kinds of different editions configurations in a system, the version identification mouth line of liquid crystal is configured with different status recognitions according to 1,0 and * state of pull-up, drop-down and unsettled correspondence before dispatching from the factory, and the status recognition as the version identification mouth line of A body of liquid crystal configures is high level; The status recognition of B body of liquid crystal is low level; The status recognition of C body of liquid crystal is unsettled.
(1) A body of liquid crystal is identified
By the Vin of the GPIO mouth line on the version identification mouth line of A body of liquid crystal access CPU;
The access hole of GPIO mouth line is set to weak pull-up input, CPU reads GPIO mouth line Vin=3.3V, and Vin state is high level; The access hole of GPIO mouth line is set to weak pull-down input, CPU reads GPIO mouth line Vin=3.0V, and Vin state is high level.Be high level by the reading result of twice to learn, the status recognition of the corresponding high level of this body of liquid crystal, so judge access GPIO mouth line as A money liquid crystal, correspondence calls the driving of A liquid crystal for liquid crystal work.
(2) B body of liquid crystal is identified
By the Vin of the GPIO mouth line on the version identification mouth line of B body of liquid crystal access CPU;
The access hole of GPIO mouth line is set to weak pull-up input, CPU reads GPIO mouth line Vin=0.3V, and Vin state is low level; The access hole of GPIO mouth line is set to weak pull-down input, CPU reads GPIO mouth line Vin=0V, and Vin state is low level.Be low level by the reading result of twice to learn, the corresponding low level status recognition of this body of liquid crystal, so judge access GPIO mouth line as B money liquid crystal, correspondence calls the driving of B liquid crystal for liquid crystal work.
(3) C body of liquid crystal is identified
By the Vin of the GPIO mouth line on the version identification mouth line of C body of liquid crystal access CPU;
The access hole of GPIO mouth line is set to weak pull-up input, CPU reads GPIO mouth line Vin=3.3V, and Vin state is high level; The access hole of GPIO mouth line is set to weak pull-down input, CPU reads GPIO mouth line Vin=0V, and Vin state is low level, and Vin is read as high level and low level.Be one high and one low learning by the reading result of twice, the status recognition that this body of liquid crystal is corresponding unsettled, and then judge access GPIO mouth line as C money liquid crystal, correspondence calls the driving of C liquid crystal for liquid crystal work.
The identifying information table of comparisons of such scheme is as follows:
Read by the state of the GPIO on CPU the body of liquid crystal identifying each version, and then call corresponding software, for identifying which drive IC, to reach the control to different liquid crystal.
Please refer to Fig. 4, embodiments of the invention two are:
To the configuration identifying schemes of different printer core
Printer supplier has 3 A/B/C, and the printhead sheet supplier of Mei Jia printer producer has 3 (being respectively 1/2/3).Namely the type of printer used in machine has 9 kinds of possibilities: A1, A2, A3, B1, B2, B3, C1, C2, C3, in order to distinguish these configurations, also two mouth lines in printer FPC are made unsettled (*), draw high (1), drag down (0), so that system identifies automatically.When printer fault, can accurately locate is which model (as 1) of which printer producer (as A), seeing silk-screen content on printer, namely identifying state by machine intimate mouth line by not tearing machine open.
Please refer to Fig. 5, embodiments of the invention three are:
To the identifying schemes of different editions battery
Through being configured with different status recognitions according to 1,0 and * state of pull-up, drop-down and unsettled correspondence before battery dispatches from the factory.By identifying inside battery whether pull-up, drop-down or unsettled, reach the object identifying battery variety.Following for pull-up 10K to 3.3V battery:
The mouth line states that CPU reads GPIO is high level 1, can judge access battery types or producer.Correspondence calls the driving of this battery for work (note: different battery possibility discharge capability is different, and strong battery can allow heavy-current discharge, to accelerate transaction print speed etc.).
In sum, the method of a kind of GPIO mouth line identification equipment version information provided by the invention and device, when not revising software version information, the version information of identification equipment can not only be read according to the state of GPIO mouth line, loads accurately to call corresponding software; And the equipment of being identified 3 can be provided
nplant allocation plan (N is mouth line number), can existing equipment be better met of a great variety, be difficult to the problem of identification; Further, corresponding driving can also be transferred accurately according to recognition result, realize the compatibility of multiple different editions equipment in system.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalents utilizing instructions of the present invention and accompanying drawing content to do, or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. a method for GPIO mouth line identification equipment version information, is characterized in that, comprising:
Mouth line on equipment is configured to the one in high level, low level or unsettled three kinds of status recognitions by the version information according to equipment, and described mouth line is as the version identification mouth line of equipment;
Connect described GPIO mouth line and described version identification mouth line;
Described GPIO mouth line is connected pull-up resistor and pull down resistor successively, and reads the state of described GPIO mouth line successively;
Obtained the status recognition of described equipment by the reading result of twice, contrast the version information that status recognition information that described equipment configures in advance obtains equipment.
2. the method for a kind of GPIO mouth line identification equipment version information according to claim 1, is characterized in that, the mouth line number on described GPIO mouth line and described equipment is two or more.
3. the method for a kind of GPIO mouth line identification equipment version information according to claim 1 and 2, is characterized in that, also comprise and call the corresponding step driven of described equipment with the CPU of described equipment connection according to the version information of described equipment.
4. the method for a kind of GPIO mouth line identification equipment version information according to claim 1 and 2, is characterized in that, the resistance of the pull down resistor that described GPIO mouth line connects and pull-up resistor is within the scope of 1 ~ 100K.
5. a device for GPIO mouth line identification equipment version information, is characterized in that, comprises configuration module, link block, read module and identification module;
Described configuration module, for according to the version information of equipment the mouth line on equipment being configured to the one in high level, low level or unsettled three kinds of status recognitions, described mouth line is as the version identification mouth line of equipment;
Described link block, for connecting described GPIO mouth line and described version identification mouth line;
Described read module, for described GPIO mouth line is connected pull-up resistor and pull down resistor successively, and reads the state of described GPIO mouth line successively;
Described identification module, for being obtained the status recognition of described equipment by the reading result of twice, contrasts the version information that status recognition information that described equipment configures in advance obtains equipment.
6. the device of a kind of GPIO mouth line identification equipment version information according to claim 5, is characterized in that, the mouth line number on described GPIO mouth line and described equipment is two or more.
7. the device of a kind of GPIO mouth line identification equipment version information according to claim 5 or 6, is characterized in that, also comprise driver module;
Described driver module, for calling according to the version information of described equipment with the CPU of described equipment connection, described equipment is corresponding to be driven.
8. the device of a kind of GPIO mouth line identification equipment version information according to claim 5 or 6, is characterized in that, the resistance of the pull down resistor that described GPIO mouth line connects and pull-up resistor is within the scope of 1 ~ 100K.
9. the device of a kind of GPIO mouth line identification equipment version information according to claim 5 or 6, is characterized in that, described equipment is body of liquid crystal or battery or printer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410506286.0A CN104298635A (en) | 2014-09-26 | 2014-09-26 | Method and device for recognizing equipment version information through GPIO port line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410506286.0A CN104298635A (en) | 2014-09-26 | 2014-09-26 | Method and device for recognizing equipment version information through GPIO port line |
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| CN104298635A true CN104298635A (en) | 2015-01-21 |
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|---|---|---|---|
| CN201410506286.0A Pending CN104298635A (en) | 2014-09-26 | 2014-09-26 | Method and device for recognizing equipment version information through GPIO port line |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104573594A (en) * | 2015-01-23 | 2015-04-29 | 成都实唯物联网科技有限公司 | Device identification method |
| CN105630542A (en) * | 2015-12-18 | 2016-06-01 | 武汉长光科技有限公司 | Method for upgrading PIBs in EOC systems |
| CN106556752A (en) * | 2015-09-25 | 2017-04-05 | 鸿富锦精密工业(武汉)有限公司 | GPIO interface circuit for detecting |
| CN107636632A (en) * | 2017-05-27 | 2018-01-26 | 福建联迪商用设备有限公司 | A kind of method and system for identifying different manufacturers liquid crystal |
| CN109002410A (en) * | 2018-07-02 | 2018-12-14 | 广州视源电子科技股份有限公司 | GPIO port detection method |
| CN109753470A (en) * | 2019-01-16 | 2019-05-14 | Oppo广东移动通信有限公司 | A kind of control method, micro-control unit and computer storage medium |
| CN111641419A (en) * | 2020-04-29 | 2020-09-08 | 厦门紫光展锐科技有限公司 | Version identification method, control method and system of radio frequency power amplifier of terminal |
| CN112015684A (en) * | 2020-08-14 | 2020-12-01 | 杭州海康威视数字技术股份有限公司 | Input/output control method for processing device and processing device |
| CN112698875A (en) * | 2021-01-07 | 2021-04-23 | 深圳市广和通无线股份有限公司 | Hardware type identification method and device, computer equipment and storage medium |
| CN114739543A (en) * | 2022-04-21 | 2022-07-12 | 深圳国微感知技术有限公司 | Adaptive identification system for pressure distribution measurement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104573594B (en) * | 2015-01-23 | 2018-06-19 | 成都实唯物联网科技有限公司 | A kind of device identification method |
| CN104573594A (en) * | 2015-01-23 | 2015-04-29 | 成都实唯物联网科技有限公司 | Device identification method |
| CN106556752A (en) * | 2015-09-25 | 2017-04-05 | 鸿富锦精密工业(武汉)有限公司 | GPIO interface circuit for detecting |
| CN105630542A (en) * | 2015-12-18 | 2016-06-01 | 武汉长光科技有限公司 | Method for upgrading PIBs in EOC systems |
| CN107636632B (en) * | 2017-05-27 | 2020-05-05 | 福建联迪商用设备有限公司 | Method and system for identifying liquid crystals of different manufacturers |
| CN107636632A (en) * | 2017-05-27 | 2018-01-26 | 福建联迪商用设备有限公司 | A kind of method and system for identifying different manufacturers liquid crystal |
| WO2018218430A1 (en) * | 2017-05-27 | 2018-12-06 | 福建联迪商用设备有限公司 | Method and system for identifying liquid crystal of different manufacturers |
| CN109002410A (en) * | 2018-07-02 | 2018-12-14 | 广州视源电子科技股份有限公司 | GPIO port detection method |
| CN109753470A (en) * | 2019-01-16 | 2019-05-14 | Oppo广东移动通信有限公司 | A kind of control method, micro-control unit and computer storage medium |
| CN111641419A (en) * | 2020-04-29 | 2020-09-08 | 厦门紫光展锐科技有限公司 | Version identification method, control method and system of radio frequency power amplifier of terminal |
| CN112015684A (en) * | 2020-08-14 | 2020-12-01 | 杭州海康威视数字技术股份有限公司 | Input/output control method for processing device and processing device |
| CN112698875A (en) * | 2021-01-07 | 2021-04-23 | 深圳市广和通无线股份有限公司 | Hardware type identification method and device, computer equipment and storage medium |
| CN114739543A (en) * | 2022-04-21 | 2022-07-12 | 深圳国微感知技术有限公司 | Adaptive identification system for pressure distribution measurement |
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Application publication date: 20150121 |
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