CN114063948A - Method and system for realizing remote control by combining software and hardware - Google Patents
Method and system for realizing remote control by combining software and hardware Download PDFInfo
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- CN114063948A CN114063948A CN202010782050.5A CN202010782050A CN114063948A CN 114063948 A CN114063948 A CN 114063948A CN 202010782050 A CN202010782050 A CN 202010782050A CN 114063948 A CN114063948 A CN 114063948A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 148
- 238000005266 casting Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4411—Configuring for operating with peripheral devices; Loading of device drivers
- G06F9/4413—Plug-and-play [PnP]
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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
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
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Abstract
The invention provides a method and a system for realizing remote control by combining software and hardware, wherein the method comprises the following steps: the screen projector and the screen transmission box are paired through a USB link, wireless connection is established, and then the USB link is disconnected; the sending terminal transmits screen projection data to the screen projector through the USB link; the screen projector wirelessly transmits the screen projection data to the screen transmission box; and the screen transmission box transmits the screen projection data to the display through the USB link. The invention fully utilizes the characteristics of hardware and reduces the software development amount; when the screen projector is applied, the operations of software installation, configuration and the like of a user can be reduced as much as possible, screen projection work such as network connection, network transmission of screen projection data and the like can be automatically completed by directly inserting the screen projector, and the convenience of operation is obviously improved; the deployment is greatly simplified, and whether the environment where the user is located has a network or not and various parameters of the network are not required.
Description
Technical Field
The invention relates to the field of remote control, in particular to a method and a system for realizing remote control by combining software and hardware.
Background
The existing remote control mode is to develop a corresponding screen-casting software main control end and a controlled end on windows, Android and iOS operating systems, acquire a controlled end screen, transmit the acquired screen to the main control end through a network, and analyze and display the acquired screen at the main control end.
The existing remote control is mainly realized in a software mode, and needs to be developed in windows, Android and iOS operating systems at the same time.
There is a need to minimize the impact of differences between different operating systems when the software development for remote control involves different operating systems.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the method and the system for realizing remote control by combining software and hardware are provided, different operating systems can be compatible at the same time, and the deployment is simplified.
In order to solve the technical problems, the invention adopts the technical scheme that:
the method for realizing remote control by combining software and hardware comprises the following steps:
after the screen projector and the screen transmission box are matched through a USB link and wireless connection is established, the USB link is disconnected;
the sending terminal transmits screen projection data to the screen projector through the USB link;
the screen projector wirelessly transmits the screen projection data to the screen transmission box;
and the screen transmission box transmits the screen projection data to the display through the USB link.
The invention provides another technical scheme as follows:
a system for realizing remote control by combining software and hardware comprises a sending end, a screen projector, a screen transmission box and a display screen;
the sending end is connected with the screen projector through a USB link; the screen projector is wirelessly connected with the screen transmission box; the screen transmission box is connected with the display screen through a USB link;
the screen projector is used for completing pairing with the screen transmission box through a USB link to establish wireless connection and wirelessly transmitting screen projection data sent by the sending end to the screen transmission box;
the transmitting end is used for transmitting screen projection data to the screen projector through the USB link;
the screen transmission box is used for completing pairing with the screen projector through a USB link to establish wireless connection, and transmitting received screen projection data to the display through the USB link.
The invention has the beneficial effects that: the invention fully utilizes the characteristics of hardware and reduces the software development amount by combining software and hardware; when the screen projection device is applied, operations such as software installation, configuration and the like of a user are reduced as much as possible, screen projection work such as network connection, network transmission of screen projection data and the like can be automatically completed by directly inserting the screen projection device, convenience of operation is remarkably improved, and compatibility of different operating systems of two opposite ends of a transmission screen can be realized. In addition, the deployment is greatly simplified, whether the environment where the user is located has a network or not and the requirements on various parameters of the network are not required any more, and the screen projection of the ad hoc network can be realized.
Drawings
Fig. 1 is a schematic flow chart of a method for implementing remote control by combining software and hardware according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the components and connections of a screen projector according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the structural components and connections of a system for implementing remote control by combining software and hardware according to an embodiment of the present invention;
FIG. 4 is a timing diagram of a general Wi-Fi pairing process of a method for implementing remote control by combining software and hardware according to an embodiment of the present invention;
fig. 5 is a screen projection timing chart of a method for implementing remote control by combining software and hardware according to a second embodiment of the present invention;
fig. 6 is an operation diagram of a method and a system for implementing remote control by combining software and hardware according to a fourth embodiment of the present invention.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: network construction and data transmission are realized by using a hardware screen projector and a screen transmission box; and starting the screen projection by using the software application of the sending end, and realizing the screen projection in a mode of combining software and hardware.
The technical terms related to the invention are explained as follows:
referring to fig. 1 and 2, the present invention provides a method for implementing remote control by combining software and hardware, including:
after the screen projector and the screen transmission box are paired through a USB link and establish wireless connection, disconnecting the USB link;
the sending terminal transmits screen projection data to the screen projector through the USB link;
the screen projector wirelessly transmits the screen projection data to the screen transmission box;
and the screen transmission box transmits the screen projection data to the display through the USB link.
From the above description, the beneficial effects of the present invention are: by combining software and hardware, the characteristics of the hardware are fully utilized, and the software development amount is reduced; when the screen projection device is applied, the operations of software installation, configuration and the like of a user are reduced as much as possible, screen projection work such as network connection, network sending of screen projection data and the like can be automatically completed by directly inserting the screen projection device, and convenience of operation is remarkably improved. Meanwhile, the deployment is greatly simplified, whether the environment where the user is located has a network or not and the requirements on various parameters of the network are not required any more, and the screen projection of the ad hoc network can be realized.
Further, the screen projector and the screen transmission box complete pairing through a USB link to establish wireless connection, and the method comprises the following steps:
the screen projector and the screen transmission box are in wired connection through a USB link;
the screen transmission box sends the information of the built-in wireless router to the screen projector;
and the screen projector returns a response corresponding to the information of the wireless router to the screen transmission box, and the screen projector and the screen transmission box successfully establish wireless connection.
According to the description, the simple screen projector is quickly built between the screen projector and the screen transmission box based on the USB link.
Further, the transmitting end transmits the screen projection data stream to the screen projector through the USB link, and before the transmitting end, the method further includes:
the application layer in the screen projector is connected with the kernel layer;
the application layer of the screen projector is connected with the screen transmission box;
the screen transmission box returns a connection success message to the application layer;
the application layer reports the connection success message to the kernel layer;
the kernel layer reports the connection success message to a sending end through a USB link;
the sending end inquires the state of the kernel layer through a USB link;
the kernel layer queries the application layer for a state;
the application layer reports the state to the kernel layer;
and the kernel layer returns the state to the sending end through the USB link.
According to the description, after the connection link is established among the screen projector, the screen transmission box and the sending end, the connection link is reported to the sending end in real time, and the hardware is marked to be ready; after the sending end initiates the state query, whether the current state of the link meets the screen transmission condition can be confirmed according to the feedback query result, and the condition is used as a prerequisite condition for screen transmission triggering.
Further, the screen projector wirelessly transmits the screen projection data to the screen transmission box, and the screen projector comprises:
after receiving a screen projection data stream sent by a sending end, a kernel layer of the screen projector transmits the screen projection data stream to an application layer;
and the application layer wirelessly transmits the screen projection data stream to a screen transmission box.
According to the description, the screen projection data are transmitted in a wired transmission mode and then in a short-distance wireless transmission mode, and the transmission data can be guaranteed to accurately and quickly reach the screen transmission box.
Further, the screen projection box transmits the screen projection data to a display through a USB link, including:
after receiving the screen projection data stream, the screen transmission box analyzes the screen projection data stream to obtain corresponding screen projection data;
and the screen transmission box transmits the screen projection data to the display through the USB link.
According to the description, the data stream is analyzed by the transmission screen box and then transmitted to the display screen, the display screen can be directly synchronized without analysis, and the synchronization efficiency can be improved.
Further, the kernel layer returns a status to the sending end through the USB link, and then, the method further includes:
the sending end carries out state prompt according to the return state;
after the application layer detects a screen transmission instruction, reporting the screen transmission instruction to the kernel layer;
and the kernel layer reports the screen transmission instruction to a sending end through a USB link.
As can be seen from the above description, the sending end can confirm whether it is ready or not through the status prompt; after the screen is confirmed to be ready, screen transmission can be executed directly through instruction triggering, and operation is convenient and fast.
The invention provides another technical scheme as follows:
a system for realizing remote control by combining software and hardware comprises a sending end, a screen projector, a screen transmission box and a display screen;
the sending end is connected with the screen projector through a USB link; the screen projector is wirelessly connected with the screen transmission box; the screen transmission box is connected with the display screen through a USB link;
the screen projector is used for completing pairing with the screen transmission box through a USB link to establish wireless connection and wirelessly transmitting screen projection data sent by the sending end to the screen transmission box;
the transmitting end is used for transmitting screen projection data to the screen projector through the USB link;
the screen transmission box is used for completing pairing with the screen projector through a USB link to establish wireless connection, and transmitting received screen projection data to the display through the USB link.
Further, the screen transmission box is used for establishing wired connection with the screen projector through a USB link and then sending information of a built-in wireless router to the screen projector;
and the screen projector is used for returning a response corresponding to the information of the wireless router to the screen transmission box after establishing wired connection with the screen transmission box through a USB link and receiving the information of the wireless router, and successfully establishing wireless connection with the screen transmission box.
Further, the screen projector comprises an application layer and a kernel layer;
the screen transmission box is also used for reporting a connection success message to the application layer when the application layer is connected with the kernel layer;
the application layer is used for connecting the screen transmission box, reporting the received connection success message to the kernel layer, and returning the state to the kernel layer when receiving the query state request of the kernel layer;
the kernel layer is used for reporting the received connection success message to the sending end through the USB link, inquiring the state of the application layer when receiving an inquiry state request of the sending end, and returning the state to the sending end through the USB link;
the sending end is further configured to query the kernel layer for a status through a USB link.
Further, the kernel layer is further configured to transmit the screen-casting data stream sent by the sending end to the application layer after receiving the screen-casting data stream,
the application layer is also used for wirelessly transmitting the received screen projection data stream to the screen transmission box;
and the screen transmission box is used for analyzing the screen projection data stream to obtain corresponding screen projection data after receiving the screen projection data stream, and transmitting the screen projection data to a display through a USB link.
Example one
Referring to fig. 1, fig. 2 and fig. 4, the present embodiment provides a method for implementing remote control by combining software and hardware, and by introducing hardware devices: the screen projector and the screen transmission box can realize screen transmission control in a soft and hard combined mode, reduce software development amount, reduce operations such as software installation and configuration and the like of a user, and are compatible with various operating systems on a screen transmission end; and moreover, the deployment is greatly simplified, whether the environment where the user is located has a network or not and the requirements on various parameters of the network are not required any more, and the screen projection of the ad hoc network can be realized.
The method comprises the following steps:
s1: the screen projector is inserted into a USB port of the screen transmission box, and the screen projector and the screen transmission box are paired through a USB link to establish wireless connection;
referring to fig. 4, the specific process includes:
s11: the screen projector and the screen transmission box are in wired connection through a USB link;
s12: the screen transmission box sends the information of the built-in wireless router to the screen projector;
s13: the screen projector returns a response corresponding to the information of the wireless router to the screen transmission box, the screen projector and the screen transmission box successfully establish wireless connection, and therefore the screen projector and the screen transmission box complete self-networking.
S2: the screen projector is disconnected with the screen transmission box by a wire, namely the screen projector is pulled out from the screen transmission box. But both still maintain the established wireless Wi-Fi connection.
S3: the screen projector and a sending end (such as a PC) establish a wired connection relationship through a USB link;
s4: after a screen transmission instruction is triggered, a sending end transmits screen projection data to a screen projector through a USB link;
s5: the screen projector wirelessly transmits the received screen projection data to the screen transmission box;
s6: and the screen transmission box transmits the received screen projection data to a display through a USB link.
Therefore, remote screen transmission control between the sending end and the display is completed.
The embodiment fully utilizes the characteristics of hardware and reduces the software development amount; when the screen projection device is applied, the operations of software installation, configuration and the like of a user are reduced as much as possible, screen projection work such as network connection, network sending of screen projection data and the like can be automatically completed by directly inserting the screen projection device, and convenience of operation is remarkably improved. Meanwhile, the deployment is greatly simplified, whether the environment where the user is located has a network or not and the requirements on various parameters of the network are not required any more, and the screen projection of the ad hoc network can be realized.
Example two
Referring to fig. 2, fig. 3 and fig. 5, the present embodiment is further defined on the basis of the first embodiment.
The method comprises the following steps:
1. after the screen projector is inserted into the USB port of the screen transmission box, the screen projector is initialized; the screen projector performs self-checking; and the screen projector and the screen transmission box complete the ad hoc network through Wi-Fi information configuration.
2. After the screen projector is pulled out of the screen transmission box and inserted into the PC, the PC detects the USB and initializes the USB; connecting an application layer of the screen projector with the kernel layer by layer, reporting the state, and connecting; the application layer connects the screen transmission box, after the connection is successful, the screen transmission box reports back to the application layer, and the application layer informs the kernel layer of the successful connection message. The kernel layer informs the PC machine through the USB interface, and the hardware is ready. And the PC queries the state of the kernel layer through the USB interface.
3. The user starts detection through a key, the application layer of the screen projector carries out detection, the application layer reports a key event to the kernel layer, the kernel layer informs the PC of the key event, and the PC starts screen projection operation after receiving the key event.
And 4, the PC starts to project the screen according to the state, transmits the screen transmission video stream to the kernel layer of the screen projector through the USB interface after sequentially performing screen interception, coding and network layer packaging, transmits the screen transmission video stream to the application layer, and transmits the screen transmission video stream to the application layer through the screen transmission box and the Wi-Fi data.
5. The screen projector receiving end (screen transmission box) receives the data, decodes the data, then transmits the video data to the display through the USB interface (or HDMI interface), and the video data is displayed on the display through software.
In this embodiment, the video data of the sending end is collected in a mode of combining software and hardware, then the video data is sent to the receiving end (the screen transmission box connected with the display) through the network, and then the receiving end analyzes the data and displays the data through the display. By this technique is achieved: 1. the user does not need to install screen projection software, and can start to project the screen by directly inserting the screen projector. Because the application program at the PC end is burned and built in the hardware screen projector. The PC needing to be projected can automatically run the PC end application program built in the PC only by inserting the screen projector. The screen projector completes the work of network connection, network transmission of video data and the like, so that the development work on different operating systems can save network related contents and only take charge of acquisition. 2. Greatly simplifying the deployment. The screen projection does not require the working environment of the user to have a network and various parameters of the network.
EXAMPLE III
Referring to fig. 6, the present embodiment provides a specific application scenario corresponding to the first embodiment or the second embodiment:
in a smart classroom, when only one PC and one display are provided, one PC is inserted into a hardware screen projector to serve as a sending end, and the other PC is inserted into a screen projector box to serve as a receiving end. Then, through simple configuration, a simple screen projection system application in the local area network is built between the screen projector and the screen projection box. The user may project an image on the PC onto the display. The deployment time and the flow operation steps are greatly reduced.
For another example, in a large conference site, guests temporarily need to project the related PPT data, and at this time, the screen projector and the screen transmission box can be used to insert the screen transmission box into the display screen or the projector (the playing end); the screen transmission device is firstly inserted into the screen transmission box for automatic pairing, after the self-networking is completed to realize Wi-Fi connection, the screen transmission device is pulled out of the screen transmission box and inserted into a notebook computer (sending end), a temporary network environment and a screen projection application system can be rapidly built, and a user can perform on-site demonstration.
The specific process of the above example is as follows:
1. connecting a display screen supporting an HDMI interface to a screen transmission box;
2. and after the screen transmission box is started, the screen projector is connected to the USB port of the screen transmission box.
The step is mainly to synchronize the router information built in the screen transmission box to the screen projector, and after synchronization, the screen projector can be connected to the screen transmission box through the router built in the screen transmission box, and the screen transmission box and the screen projector realize ad hoc network. This process is also referred to as pairing.
3. Inserting the paired screen projector into a PC (personal computer) to be subjected to screen projection;
4. the screen projector can virtually form a CDROM on a PC (personal computer) at a sending end, and automatically run a PC end program in the CDROM; in the process, the firmware on the screen projector can be automatically connected with the screen projector;
5. after the screen projector and the screen transmission box are successfully connected, the screen projector can tell the running PC end application program; the UI of the application program displays the corresponding state, and when a user sees the ready related information, the user can press a key to screen;
6. at this time, the user can see that the display screen connected on the transmission screen box presents the desktop content of the sending terminal PC; thus, the screen projection process is completed.
Example four
Corresponding to the first to third embodiments, this embodiment provides a system for implementing remote control by combining software and hardware, as shown in fig. 6, including a sending end, a screen projector, a screen transmission box, and a display screen.
The sending end is connected with the screen projector through a USB link; the screen projector is wirelessly connected with the screen transmission box; the screen transmission box is connected with the display screen through a USB link;
the screen projector is used for completing pairing with the screen transmission box through a USB link to establish wireless connection and wirelessly transmitting screen projection data sent by the sending end to the screen transmission box;
the transmitting end is used for transmitting screen projection data to the screen projector through the USB link;
the screen transmission box is used for completing pairing with the screen projector through a USB link to establish wireless connection, and transmitting received screen projection data to the display through the USB link.
Further, the screen transmission box is used for establishing wired connection with the screen projector through a USB link and then sending information of a built-in wireless router to the screen projector;
and the screen projector is used for returning a response corresponding to the information of the wireless router to the screen transmission box after establishing wired connection with the screen transmission box through a USB link and receiving the information of the wireless router, and successfully establishing wireless connection with the screen transmission box.
Further, the screen projector comprises an application layer and a kernel layer;
the screen transmission box is also used for reporting a connection success message to the application layer when the application layer is connected with the kernel layer;
the application layer is used for connecting the screen transmission box, reporting the received connection success message to the kernel layer, and returning the state to the kernel layer when receiving the query state request of the kernel layer;
the kernel layer is used for reporting the received connection success message to the sending end through the USB link, inquiring the state of the application layer when receiving an inquiry state request of the sending end, and returning the state to the sending end through the USB link;
the sending end is further configured to query the kernel layer for a status through a USB link.
Further, the kernel layer is further configured to transmit the screen-casting data stream sent by the sending end to the application layer after receiving the screen-casting data stream,
the application layer is also used for wirelessly transmitting the received screen projection data stream to the screen transmission box;
and the screen transmission box is used for analyzing the screen projection data stream to obtain corresponding screen projection data after receiving the screen projection data stream, and transmitting the screen projection data to a display through a USB link.
In summary, the method and the system for realizing remote control by combining software and hardware provided by the invention make full use of the characteristics of hardware and reduce the software development amount; when the system is applied, the operations of software installation, configuration and the like of a user can be reduced as much as possible, screen projection work such as network connection, network transmission of screen projection data and the like can be automatically completed by directly inserting a screen projector, the convenience of operation is obviously improved, and meanwhile, the compatibility of different operating systems at two ends can be realized; in addition, the deployment is greatly simplified, whether the environment where the user is located has a network or not and the requirements on various parameters of the network are not required any more, and the screen projection of the ad hoc network can be realized; the method has the characteristics of simple and convenient operation, accurate synchronization, high development efficiency and the like.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. The method for realizing remote control by combining software and hardware is characterized by comprising the following steps:
after the screen projector and the screen transmission box are paired through a USB link and establish wireless connection, disconnecting the USB link;
the sending terminal transmits screen projection data to the screen projector through the USB link;
the screen projector wirelessly transmits the screen projection data to the screen transmission box;
and the screen transmission box transmits the screen projection data to the display through the USB link.
2. The method for realizing remote control by combining software and hardware as claimed in claim 1, wherein the pairing of the screen projector and the screen transmission box through a USB link to establish wireless connection comprises:
the screen projector and the screen transmission box are in wired connection through a USB link;
the screen transmission box sends the information of the built-in wireless router to the screen projector;
and the screen projector returns a response corresponding to the information of the wireless router to the screen transmission box, and the screen projector and the screen transmission box successfully establish wireless connection.
3. The method for implementing remote control by combining software and hardware according to claim 1, wherein the sending end transmits the screen projection data stream to the screen projector through a USB link, and before the transmitting end, the method further comprises:
the application layer in the screen projector is connected with the kernel layer;
the application layer of the screen projector is connected with the screen transmission box;
the screen transmission box returns a connection success message to the application layer;
the application layer reports the connection success message to the kernel layer;
the kernel layer reports the connection success message to a sending end through a USB link;
the sending end inquires the state of the kernel layer through a USB link;
the kernel layer queries the application layer for a state;
the application layer reports the state to the kernel layer;
and the kernel layer returns the state to the sending end through the USB link.
4. The method for realizing remote control by combining software and hardware as claimed in claim 3, wherein the screen projector wirelessly transmits the screen projection data to the screen transmission box, comprising:
after receiving a screen projection data stream sent by a sending end, a kernel layer of the screen projector transmits the screen projection data stream to an application layer;
and the application layer wirelessly transmits the screen projection data stream to a screen transmission box.
5. The method for realizing remote control by combining software and hardware as claimed in claim 4, wherein the screen transmission box transmits the screen projection data to the display through a USB link, comprising:
after receiving the screen projection data stream, the screen transmission box analyzes the screen projection data stream to obtain corresponding screen projection data;
and the screen transmission box transmits the screen projection data to the display through the USB link.
6. The method for implementing remote control by combining software and hardware according to claim 3, wherein the kernel layer returns status to the transmitting end through the USB link, and then further comprising:
the sending end carries out state prompt according to the return state;
after the application layer detects a screen transmission instruction, reporting the screen transmission instruction to the kernel layer;
and the kernel layer reports the screen transmission instruction to a sending end through a USB link.
7. A system for realizing remote control by combining software and hardware is characterized by comprising a sending end, a screen projector, a screen transmission box and a display screen;
the sending end is connected with the screen projector through a USB link; the screen projector is wirelessly connected with the screen transmission box; the screen transmission box is connected with the display screen through a USB link;
the screen projector is used for completing pairing with the screen transmission box through a USB link to establish wireless connection and wirelessly transmitting screen projection data sent by the sending end to the screen transmission box;
the transmitting end is used for transmitting screen projection data to the screen projector through the USB link;
the screen transmission box is used for completing pairing with the screen projector through a USB link to establish wireless connection, and transmitting received screen projection data to the display through the USB link.
8. The system for realizing remote control by combining software and hardware as claimed in claim 7, wherein the screen transmission box is used for sending information of a built-in wireless router to the screen projector after establishing a wired connection with the screen projector through a USB link;
and the screen projector is used for returning a response corresponding to the information of the wireless router to the screen transmission box after establishing wired connection with the screen transmission box through a USB link and receiving the information of the wireless router, and successfully establishing wireless connection with the screen transmission box.
9. The system for realizing remote control by combining software and hardware as claimed in claim 7, wherein the screen projector comprises an application layer and a kernel layer;
the screen transmission box is also used for reporting a connection success message to the application layer when the application layer is connected with the kernel layer;
the application layer is used for connecting the screen transmission box, reporting the received connection success message to the kernel layer, and returning the state to the kernel layer when receiving the query state request of the kernel layer;
the kernel layer is used for reporting the received connection success message to the sending end through the USB link, inquiring the state of the application layer when receiving an inquiry state request of the sending end, and returning the state to the sending end through the USB link;
the sending end is further configured to query the kernel layer for a status through a USB link.
10. The system according to claim 9, wherein the kernel layer is further configured to transmit the screen-shot data stream sent from the sending end to the application layer after receiving the screen-shot data stream,
the application layer is also used for wirelessly transmitting the received screen projection data stream to the screen transmission box;
and the screen transmission box is used for analyzing the screen projection data stream to obtain corresponding screen projection data after receiving the screen projection data stream, and transmitting the screen projection data to a display through a USB link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010782050.5A CN114063948A (en) | 2020-08-06 | 2020-08-06 | Method and system for realizing remote control by combining software and hardware |
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| CN202010782050.5A CN114063948A (en) | 2020-08-06 | 2020-08-06 | Method and system for realizing remote control by combining software and hardware |
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| CN114063948A true CN114063948A (en) | 2022-02-18 |
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| CN110691275A (en) * | 2019-09-10 | 2020-01-14 | 上海明我信息技术有限公司 | Wireless screen transmission equipment, method and computer storage medium |
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