CN111766999A - Extended control system based on physical keys and method for quickly accessing terminal - Google Patents
Extended control system based on physical keys and method for quickly accessing terminal Download PDFInfo
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- CN111766999A CN111766999A CN202010567482.4A CN202010567482A CN111766999A CN 111766999 A CN111766999 A CN 111766999A CN 202010567482 A CN202010567482 A CN 202010567482A CN 111766999 A CN111766999 A CN 111766999A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/28—Databases characterised by their database models, e.g. relational or object models
- G06F16/284—Relational databases
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Abstract
The invention discloses an extended control system based on physical keys and a method for quickly accessing a terminal. The system interacts with the terminal equipment through the wireless communication module, provides an expanded control function through the physical key module, and a user can press the physical key module to conveniently control the terminal equipment to realize corresponding functions, so that the control requirements of the physical keys are considered in touch control on the premise of not influencing the normal use of the terminal equipment. According to the method, the extended control system is used for realizing quick access to the terminal equipment, so that part of functions on the terminal equipment can be controlled and realized more quickly, and the control experience effect of a user can be improved.
Description
Technical Field
The invention relates to the technical field of terminal expansion control and wireless communication, in particular to an expansion control system based on physical keys and a method for quickly accessing a terminal.
Background
At present, the touch-sensitive screen technique constantly develops, virtual button becomes the main part of controlling the cell-phone, the physics button on the cell-phone is less and less, but, along with the continuous increase of the inside function of cell-phone, people find that the virtual button of cell-phone is more and more inconvenient, sometimes in order to open a software, need click virtual button many times and get into under a plurality of folders, just can start corresponding function, even if dial such simple function of phone, need awaken the touch-sensitive screen after also can dial, call, loaded down with trivial details operation flow has reduced user's experience, also make the required operation of the limited crowd's of operational capability completion very fast very difficult.
Meanwhile, the virtual key cannot perfectly simulate the touch feeling of the physical key, so that the touch feeling experience of a user is difficult to meet in some games and other operations. Due to the limited operation area and the limited volume of the mobile phone, the requirements of a user on physical keys can not be met while the touch operation requirements are met.
Therefore, how to provide an efficient, convenient and fast expansion control system based on physical keys is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides an extended control system based on physical keys and a method for quickly accessing a terminal, where the system performs data interaction with a terminal device through an external physical key in a wireless communication manner, so as to implement extended control on the terminal device, and solve the problem that the existing control manner is difficult to satisfy both the touch control and the physical key requirement.
In order to achieve the purpose, the invention adopts the following technical scheme:
in one aspect, the present invention provides an extended control system based on physical keys, including: the device comprises a physical key module, a microprocessor, a wireless communication module and a power module, wherein the physical key module is electrically connected with the microprocessor, one end of the wireless communication module is electrically connected with the microprocessor, the other end of the wireless communication module is in communication connection with a terminal device with a corresponding communication function, and the power module is electrically connected with the microprocessor.
Furthermore, the physical key module comprises 9 keys arranged in a matrix keyboard mode, and the keys are respectively electrically connected with the microprocessor.
Further, the wireless communication module is any one of a bluetooth module, an NFC module and a WIFI module. Through any one of the wireless communication modules and the terminal equipment in wireless connection, the data transmission function during operation and control can be expanded more conveniently and rapidly.
Further, power module is wireless charging receiver, the wireless transmitter that charges that has in the terminal equipment, wireless charging transmitter passes through electromagnetic induction with the electric energy transfer to wireless charging receiver, wireless charging receiver with microprocessor electricity is connected.
Further, the wireless charging receiver selects a wireless charging receiving chip with the model number of BQ 51013. The wireless charging mode is adopted to supply power for the expansion control system, an additional power supply is not required to be added, the system integration level is higher, and the practicability is higher.
In another aspect, the present invention further provides a method for quickly accessing a terminal, where the method uses the above-mentioned extended control system based on physical keys, and includes:
establishing a mapping relation database between the physical key identification of the extended control system and the software function identification in the terminal equipment;
establishing a data transmission channel between the extended control system and the terminal equipment;
the terminal equipment acquires the mapping relation database;
the extended control system detects the input state of a physical key and sends a corresponding physical key identifier to the terminal equipment;
the terminal equipment receives the physical key identification sent by the extended control system and acquires a corresponding software function identification from the mapping relation database;
and the terminal equipment operates the corresponding function according to the acquired software function identifier.
Further, establishing a mapping relationship database between the physical key identifier of the extended control system and the software function identifier in the terminal device includes:
presetting a mapping relation between a physical key identifier of the extended control system and a software function identifier in the terminal equipment according to a user control habit, and establishing a mapping relation database; and/or
And the user self-defines the mapping relation between the physical key identification of the extended control system and the software function identification in the terminal equipment, and establishes a mapping relation database.
Furthermore, the extended control system detects the input state of the physical keys and adopts a key detection program algorithm and a cyclic scanning polling algorithm based on an FSM. The utilization rate of a CPU is reduced by using a key detection algorithm based on an FSM (finite state machine), whether a key is triggered or not is determined, the specific position of the key is determined by using a cyclic scanning polling method, the collected key value is further encoded, and the encoded key value is exchanged with data of a mobile phone client in a wired or wireless reliable transmission mode.
Further, a data transmission channel between the extended control system and the terminal device is established, and the communication mode between the extended control system and the terminal device is any one of bluetooth communication, NFC near field communication and WIFI communication.
According to the technical scheme, compared with the prior art, the system is interacted with the terminal equipment through the wireless communication module, the extended control function is provided through the physical key (also called as an entity key) module, a user can press the physical key module to conveniently control the terminal equipment to achieve corresponding functions, the system can directly and quickly access the corresponding functions on the terminal equipment through the physical keys outside the terminal equipment on the premise that the normal use of the terminal equipment is not influenced, and the control requirements of touching, controlling and considering the physical keys are met. According to the method, the extended control system is used for realizing quick access to the terminal equipment, so that part of functions on the terminal equipment can be controlled and realized more quickly by pressing external physical keys, and further the control experience effect of a user can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an extended control system based on physical keys according to the present invention;
fig. 2 is a schematic structural diagram of an extended control system when a bluetooth module is adopted in the embodiment of the present invention;
fig. 3 is a schematic structural diagram of an extended control system when an NFC module is used in the embodiment of the present invention;
fig. 4 is a schematic flow chart of a method for quickly accessing a terminal according to the present invention;
FIG. 5 is a diagram illustrating FSM state transitions in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
On one hand, referring to fig. 1, an embodiment of the present invention discloses an extended control system based on physical keys, which includes: the key device comprises a physical key module 1, a microprocessor 2, a wireless communication module 3 and a power module 4, wherein the physical key module 1 is electrically connected with the microprocessor 2, one end of the wireless communication module 3 is electrically connected with the microprocessor 2, the other end of the wireless communication module is in communication connection with a terminal device 5 with a corresponding communication function, and the power module 4 is electrically connected with the microprocessor 2.
Specifically, the physical key module 1 includes 9 keys arranged in a matrix keyboard manner, and the keys are electrically connected with the microprocessor respectively. In this embodiment, 9 keys are arranged in the physical key module 1, and the keys are arranged in a matrix keyboard manner. And connecting the matrix keyboard by using an embedded I/O interface, and obtaining key values by detecting keys.
Specifically, the wireless communication module 3 is any one of a bluetooth module, an NFC module, and a WIFI module.
Referring to fig. 2, when the bluetooth module is used, the terminal device selects a bluetooth mobile phone, and transmits the key information to the upper computer in a frequency modulation manner by using a wireless bluetooth technology and a digital coding technology, so that the electromagnetic interference and crosstalk interference resistance of the system is improved in the transmission process, and the data accuracy in the transmission process is improved. The extended control system is communicated with the Bluetooth mobile phone by adopting a Bluetooth module, the key content path setting can be changed through the Android client of the mobile phone, and meanwhile, the open state of the keys is monitored to complete a shortcut path.
Bluetooth is an open wireless communication mode, and because the amount of data transmitted wirelessly in the system is small, a serial port communication mode can be adopted for communication between the Bluetooth module and the Bluetooth mobile phone. The opening and closing state of the keys in the physical key module is detected through the microprocessor, key values are obtained, and after data are processed in the microprocessor, commands are sent through the Bluetooth module by using the serial port.
In this embodiment, when the bluetooth module is debugged, the bluetooth operating mode is configured by using the bluetooth serial communication module and the USB to TTL module. The Bluetooth serial port communication module has two working modes: a command response mode of operation and an automatic connection mode of operation.
The AT command may be executed when the module is in the command response mode of operation, and the user may send various AT commands to the module, set control parameters for the module, or issue control commands. When the command response working mode is entered, the baud rate, the stop bit and the check bit of serial port communication can be set by the serial port debugging assistant.
Be connected with embedded bluetooth at android client APP, can get into the automatic mode of operation that connects. The mobile phone is transmitted to the Bluetooth serial port communication through Bluetooth and then communicated with the microprocessor through the serial port communication.
Specifically, in this embodiment, the microprocessor selects a 51-series single chip microcomputer, and the bluetooth module adopts an HC-05/HC-06-series bluetooth module.
Referring to fig. 3, when an NFC (near field communication technology) module is used, an NFC mobile phone is selected as the terminal device, NFC is a short-distance high-frequency wireless communication technology based on RFID, and non-contact point-to-point data transmission is allowed between electronic devices. Because the near field communication adopts a unique signal attenuation technology, compared with the RFID, the near field communication has the characteristics of low cost, high bandwidth, low energy consumption and the like.
In the embodiment, an NFC serial port module (NFC module for short) is directly embedded into a microprocessor, and communicates with an NFC mobile phone by using NFC, and performs data exchange with the NFC mobile phone by using a serial port sending mode. The NFC module is powered by a serial port of the microprocessor, and the serial port of the NFC module is connected with the serial port of the microprocessor. Specifically, the NFC module is implemented by an NFC2COM module. The microprocessor is 51 series single-chip microcomputer.
When the WIFI module is used, the embedded WIFI module is selected to realize network access and data transmission. The embedded WIFI module (UART-WIFI) is an embedded module which is based on a UART interface and accords with WIFI wireless network standards, and a wireless network protocol and a TCP/IP protocol stack are arranged in the embedded module. Compared with a general WIFI module, the embedded WIFI module is lower in power consumption and low in performance requirement on a CPU.
The communication mode between the mobile phone and the single chip microcomputer adopts a wireless network established based on an AP (Access Point) mode, wireless access service is provided, other wireless devices are allowed to access, data access is provided, and communication in the network is completed through AP forwarding. The WIFI network is set to be in a server mode (IP: 192.168.2.1, port number: 8000), meanwhile, the SSID of the WIFI module is set, and DHCP is enabled.
Specifically, in this embodiment, the microprocessor selects 51 series of singlechips for use, and the WIFI module selects the ESP8266 chip for use.
The process of configuring the ESP8266 chip is as follows:
(1) the ESP8266 chip is connected with a computer through USB-to-TTL. VCC, GND, CH _ PD, UTXD and URXD ports of an ESP8266 chip are respectively connected with 3.3V, ground, 3.3V, RXD and TXD of a USB-to-TTL module. After the connection is completed, the AT command is sent to the ESP8266 chip by using the serial port debugging assistant.
(2) The serial port debugging assistant is used for setting serial passing baud rate (the default is 115200), an AT + RST reset command is sent, and AT the moment, the serial port debugging assistant generates messy codes, which indicates that the initialization configuration of the ESP8266 chip is successful.
(3) The ESP8266 module information is changed through AT commands, and the commands are as follows:
AT + CWMODE 2// set ESP8266 to AP (transmission) mode
AT + CWSAP ═ PBS ","0123456789",11,3// configure AP parameters
AT + RST// configured AT + CWMODE to restart the following modules to effect configuration
AT + CIMUX ═ 1// turn on multi-connection mode
AT + CIPSERVER 1,8080// turn-on server
The process of connecting the ESP8266 chip with the single chip microcomputer is as follows:
(1) the baud rate of ESP8266 is modified as follows:
AT + CIOBAUD 9600// set ESP8266 with baud rate 9600
Restarting a module after AT + RST// change ESP8266 validates configuration
After restarting the ESP8266 chip, two AT commands are sent again:
AT + CIMUX ═ 1// turn on multi-connection mode
AT + CIPSERVER 1,8080// turn-on server
(2) The ESP8266 chip is connected with the single chip microcomputer, particularly VCC, GND, CH _ PD, UTXD and URXD ports of the ESP8266 chip are respectively connected with RXD of the 3.3V, ground, 3.3V and 51 single chip microcomputer and TXD of the 51 single chip microcomputer, wherein the ESP8266 chip and the single chip microcomputer are connected in common ground.
Specifically, power module is wireless charging receiver, has the wireless transmitter that charges in the terminal equipment, and the wireless transmitter that charges passes through electromagnetic induction with the electric energy transfer to wireless charging receiver, and wireless charging receiver is connected with microprocessor electricity.
Specifically, the wireless charging receiver selects a BQ51013 wireless charging receiving chip of TI.
The embodiment utilizes the reverse wireless charging technology of the mobile phone (namely, the terminal device) to supply power for the extended control system. The mobile phone is used as a transmitting end, a primary coil in the mobile phone generates certain current in a secondary coil of a receiving end (a power-free module of the extended control system is used as the receiving end) through electromagnetic induction by using alternating current with certain frequency, so that energy is transferred from the transmitting end to the receiving end, and power supply is realized.
The system may also be referred to as pbs (physical Button system), i.e. a physical Button system, and on the premise of not affecting the normal use of the user, the physical Button is embedded in the mobile phone shell, so that the mobile phone can address according to a set path to achieve a quick service.
Specifically, the above-mentioned extension control system that discloses in this embodiment can use the cell-phone shell to realize as the carrier, specifically, reserves the position of matrix keyboard in the cell-phone shell, at the inside embedding development board of cell-phone shell (microprocessor promptly), wireless communication module, the wireless receiver that charges. In embedded development, the key value of each key is coded, after a user presses the key, the MCU (namely the microprocessor) sends the coded key value to the mobile phone (namely the terminal equipment) by utilizing the wireless communication module, and the mobile phone compares the received key value with an operation path set by the user, so that quick access is realized.
On the other hand, referring to fig. 4, an embodiment of the present invention further discloses a method for quickly accessing a terminal, where the method uses the above extended manipulation system based on physical keys, and includes:
s1: establishing a mapping relation database between a physical key identifier of an extended control system and a software function identifier in terminal equipment;
s2: establishing a data transmission channel between the extended control system and the terminal equipment;
s3: the terminal equipment acquires a mapping relation database;
s4: the expansion control system detects the input state of the physical keys and sends corresponding physical key identifiers to the terminal equipment;
s5: the terminal equipment receives the physical key identification sent by the extended control system and acquires a corresponding software function identification from the mapping relation database;
s6: and the terminal equipment operates the corresponding function according to the acquired software function identifier.
Specifically, establishing a mapping relationship database between a physical key identifier of the extended control system and a software function identifier in the terminal device includes:
presetting a mapping relation between a physical key identifier of an extended control system and a software function identifier in terminal equipment according to a user control habit, and establishing a mapping relation database; and/or
And the user self-defines the mapping relation between the physical key identification of the extended control system and the software function identification in the terminal equipment, and establishes a mapping relation database.
In the embodiment, a user uses a path to enable a key to complete required operation through a user-defined key at an android client (namely, on a terminal device), and the user only needs to know the shortcut function of each key at an embedded terminal (namely, on an extended control system), an embedded chip (namely, a microprocessor) of the PBS can identify the key value of the key, encode the key value triggered by the operation and send the encoded key value to a mobile phone application to execute the shortcut operation, so that the transparent use of the user is realized.
Specifically, the extended control system detects the input state of the physical keys and adopts a key detection program algorithm and a cyclic scanning polling algorithm based on an FSM (finite state machine).
The following describes a scheme for implementing the key state detection and key position location by the above two algorithms.
Referring to fig. 5, the process of detecting whether a key is pressed by a key detection program algorithm based on FSM (Finite State Machine) is as follows:
in fig. 5, state 0 indicates an un-pressed state, state 1 indicates a pressed state, state 2 indicates a key confirmation state, "1" indicates that the key is not pressed, and "0" indicates that the key is pressed.
Indicated by FSM in fig. 5, when the input state of a key is "1", the output is "0", and the next state is still "0"; when the input state of the key is "0", the output is "0" (it is not subjected to the shake elimination processing, and whether or not the key is pressed cannot be confirmed), and the state is "1". And after entering the state 1, the mobile terminal is in a key confirmation state, when the key is pressed before a certain time sequence and the input is detected to be 0, the key is indicated to be pressed, the output is 1, the mobile terminal enters the state 2, otherwise, the mobile terminal is considered to be jitter interference and returns to the state 0. After entering the state "2", the user waits for the key to be released, and outputs "0" at this time. And releasing the key, namely, one complete operation.
The process of determining the key position by adopting the cyclic scanning polling method comprises the following steps:
determining whether a key is pressed: all row lines are brought low with embedded I/O outputs and the state of the column lines is then sensed. If the level of one row is low, it indicates that there is a key press, and the pressed key is the key whose state is low in the row crossed with the row line, otherwise, there is no key press.
Determining the specific position of the key: and sequentially setting the row lines to be at a low level, and detecting the level state of each row line one by one after determining that the position of a certain row line is at the low level. If a column is low, the key at the intersection of the column line and the row line set to low level is the pressed key.
Specifically, a data transmission channel between the extended control system and the terminal device is established, and the communication mode between the extended control system and the terminal device is any one of bluetooth communication, NFC near field communication and WIFI communication.
Specifically, the mapping relationship mentioned in the method disclosed in this embodiment may include three mapping modes, where the first mapping mode is that the physical key identifier only corresponds to the mobile phone body function, the second mapping mode is that the physical key identifier only corresponds to the mobile phone application program function, and the third mapping mode is that the physical key identifier simultaneously corresponds to the mobile phone body function and the mobile phone application program function. Other modes may be set according to the actual application requirements, and are not specifically limited herein.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An extended control system based on physical keys, comprising: the device comprises a physical key module, a microprocessor, a wireless communication module and a power module, wherein the physical key module is electrically connected with the microprocessor, one end of the wireless communication module is electrically connected with the microprocessor, the other end of the wireless communication module is in communication connection with a terminal device with a corresponding communication function, and the power module is electrically connected with the microprocessor.
2. The physical key-based extended control system according to claim 1, wherein the physical key module comprises 9 keys arranged in a matrix keyboard manner, and the keys are electrically connected with the microprocessor respectively.
3. The physical button-based extended control system according to claim 1, wherein the wireless communication module is any one of a bluetooth module, an NFC module, and a WIFI module.
4. The physical button-based extended control system as claimed in claim 1, wherein the power module is a wireless charging receiver, the terminal device has a wireless charging transmitter therein, the wireless charging transmitter transfers electric energy to the wireless charging receiver through electromagnetic induction, and the wireless charging receiver is electrically connected to the microprocessor.
5. The physical button-based expansion control system as claimed in claim 4, wherein the wireless charging receiver is a wireless charging receiving chip with model number BQ 51013.
6. A method for quickly accessing a terminal, the method using the extended manipulation system based on physical keys according to any one of claims 1 to 5, comprising:
establishing a mapping relation database between the physical key identification of the extended control system and the software function identification in the terminal equipment;
establishing a data transmission channel between the extended control system and the terminal equipment;
the terminal equipment acquires the mapping relation database;
the extended control system detects the input state of a physical key and sends a corresponding physical key identifier to the terminal equipment;
the terminal equipment receives the physical key identification sent by the extended control system and acquires a corresponding software function identification from the mapping relation database;
and the terminal equipment operates the corresponding function according to the acquired software function identifier.
7. The method according to claim 6, wherein establishing a mapping relationship database between the physical key identifiers of the extended control system and the software function identifiers in the terminal device comprises:
presetting a mapping relation between a physical key identifier of the extended control system and a software function identifier in the terminal equipment according to a user control habit, and establishing a mapping relation database; and/or
And the user self-defines the mapping relation between the physical key identification of the extended control system and the software function identification in the terminal equipment, and establishes a mapping relation database.
8. The method of claim 6, wherein the extended control system detects the input state of the physical key by using a key detection program algorithm or a round robin scanning polling algorithm based on the FSM.
9. The method for quickly accessing the terminal according to claim 6, wherein a data transmission channel is established between the extended control system and the terminal device, and the communication mode between the extended control system and the terminal device is any one of bluetooth communication, NFC near field communication and WIFI communication.
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| CN114366034A (en) * | 2022-01-29 | 2022-04-19 | 上海赛增医疗科技有限公司 | Key membrane and cognitive ability testing terminal and method |
| WO2024045534A1 (en) * | 2022-08-30 | 2024-03-07 | 上海金怪兽科技有限公司 | Shortcut function extended terminal protective casing and control method therefor |
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