CN111105609A - WIFI-based ultrashort wave radio station remote control equipment - Google Patents
WIFI-based ultrashort wave radio station remote control equipment Download PDFInfo
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- CN111105609A CN111105609A CN201911415225.2A CN201911415225A CN111105609A CN 111105609 A CN111105609 A CN 111105609A CN 201911415225 A CN201911415225 A CN 201911415225A CN 111105609 A CN111105609 A CN 111105609A
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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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Abstract
The invention discloses an ultrashort wave radio station remote control device based on WIFI, which comprises a UART-WIFI module, a handheld terminal, a single chip microcomputer and a display module; the wireless WIFI remote control method is used, so that the limitation of the traditional wired serial radio station remote control can be avoided, the remote control distance is prolonged, and the use flexibility of the radio station in different scenes is improved; in addition, the invention can expand the service of the ultrashort wave radio station by using APP application software developed by the handheld terminal in the android system: voice, picture, short message, and the handheld terminal is more portable for use.
Description
Technical Field
The invention belongs to the technical field of communication systems, and particularly relates to an ultrashort wave radio station remote control device based on WIFI. The handheld terminal can be used for remotely controlling the ultrashort wave radio station through WIFI and carrying out service transmission.
Background
The traditional radio station remote control mode is that PC and radio station use the serial ports directly to link, and through serial port communication protocol interaction, reach the purpose that uses software to set up, control the radio station on the PC, traditional radio station remote control mode is in the middle of the in-service use, and PC and radio station host computer receive the restriction of connecting the cable. The novel radio station remote control mode is to adopt a wireless remote control mode, the remote control distance is not limited by cables any more, and the remote control mode is more portable than a PC (personal computer) by using a handheld terminal, and the radio station transmission service can be expanded.
Currently common wireless transmission schemes include: infrared transmission and bluetooth. The infrared transmission method is restricted in use because signal reception requires high directivity for a transmission path and mobility of a node is poor. The method has the characteristics of simplicity, reliability and no electromagnetic pollution; the disadvantages are that the transmission distance is short (< 10m), the transmission directivity requirement is high, the power consumption is high, and the interference of special light sources is easy to occur. The Bluetooth wireless communication technology adopts a frequency hopping working mode, has low cost and mature technology, is supported and popularized by most manufacturers, but has the biggest defects that most of the existing Bluetooth equipment has short communication distance (less than 15m) and high power consumption.
Disclosure of Invention
In order to solve the problems, the invention aims to provide an ultrashort wave radio station remote control device based on WIFI, which prolongs the remote control distance, can carry out WIFI wireless remote control and parameter setting on an ultrashort wave radio station through a handheld terminal, and can complete services such as voice, pictures, short messages and the like.
An ultrashort wave radio station remote control device based on WIFI comprises a UART-WIFI module, a handheld terminal, a single chip microcomputer and a display module;
the UART-WIFI module is connected with an ultra-short wave radio station through a serial port, the UART-WIFI module is connected with the handheld terminal through WIFI, and the handheld terminal interacts data with the ultra-short wave radio station through the WIFI; the UART-WIFI module is connected with the single chip microcomputer through a general I/O port, the single chip microcomputer configures the working state of the UART-WIFI module through an AT instruction, and the display module is used for man-machine interaction, namely, for inquiring and configuring parameters of the UART-WIFI module.
Further, the UART-WIFI module adopts HLK-M30 to realize the conversion of a serial port to WIFI; the embedded module which is based on the UART interface and accords with the WIFI wireless network standard is internally provided with a wireless network protocol IEEE802.11n protocol stack and a TCP/IP protocol stack, and the conversion from a user serial port or TT1 level data to a wireless network is realized.
Furthermore, the UART-WIFI module has two working modes, namely a transparent transmission mode and a command mode; in the transparent transmission mode, the serial port data packet is directly packaged and sent to the WIFI module, and the data packet is transmitted to other wireless terminals through the WIFI module; in the command mode, the single chip microcomputer configures the working state of the UART-WIFI module by using an AT instruction.
And further, the system also comprises APP application software, wherein the APP application software acquires the service state, network related parameters and the local IP address of the current system through an API (application program interface) of the Android system, and is connected with the wireless module in a wifi mode.
Further, the APP application software is loaded on a handheld terminal with a system above android 4.2.
Furthermore, the display module comprises a display screen and a key, and the key is used for configuring parameters of the UART-WIFI module.
Compared with the prior art, the invention has the beneficial effects that: the wireless WIFI remote control method is used, so that the limitation of the traditional wired serial radio station remote control can be avoided, the remote control distance is prolonged, and the use flexibility of the radio station in different scenes is improved; in addition, the invention can expand the service of the ultrashort wave radio station by using APP application software developed by the handheld terminal in the android system: voice, picture, short message, and the handheld terminal is more portable for use.
Drawings
The invention is described in further detail below with reference to the figures and specific embodiments.
Fig. 1 is a schematic connection diagram of an ultrashort wave radio station remote control device based on WIFI according to an embodiment of the present invention.
Detailed Description
The embodiments and effects of the present invention will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, the ultra-short wave radio station remote control device based on WIFI of the present invention includes a UART-WIFI module, a handheld terminal, a single chip microcomputer and a display module;
the UART-WIFI module is connected with an ultra-short wave radio station through a serial port, the UART-WIFI module is connected with the handheld terminal through WIFI, and the handheld terminal interacts data with the ultra-short wave radio station through the WIFI; the UART-WIFI module is connected with the single chip microcomputer through a general I/O port, the single chip microcomputer configures the working state of the UART-WIFI module through an AT instruction, and the display module is used for man-machine interaction, namely, for inquiring and configuring parameters of the UART-WIFI module.
According to one embodiment of the invention, the UART-WIFI module adopts HLK-M30 to realize the conversion of serial port-WIFI, the embedded module which is based on the UART interface and accords with WIFI wireless network standard is internally provided with a wireless network protocol IEEE802.11n protocol stack and a TCP/IP protocol stack, and the conversion from a user serial port or TT1 level data to a wireless network can be realized.
The UART-WIFI module has two working modes, namely a transparent transmission mode and a command mode; under the transparent transmission mode, can directly encapsulate serial ports data packet and send for the WIFI module, transmit other wireless terminal with the data packet through the WIFI module. Under the command mode, the single chip microcomputer can use the AT instruction to configure the working state of the UART-WIFI module.
The embodiment of the invention also comprises APP application software, wherein the APP application software acquires the service state, network related parameters and the local IP address of the current system through the API of the Android system and is connected with the wireless module in a wifi mode.
In the invention, APP application software is developed based on a system with android more than 4.2, and android studio is adopted in a development environment.
The APP software acquires the service state, network related parameters, the local IP address and the like of the current system through an API (application program interface) of the Android system, and is connected with the wireless module in a wifi mode. And packaging the control parameters and the data information according to an ultrashort wave signaling format, and realizing wifi communication by adopting a UDP socket communication mode. The interface main thread is mainly responsible for loading and refreshing the interface; the sending thread sendtransaction is mainly responsible for establishing socket connection, sending parameters and data information; and the receiving thread recvThread receives the data information from the link and performs analysis processing. The APP software is loaded to the handheld terminal, the radio remote control function of the ultrashort wave radio station is completed, and the transmission of services such as voice, pictures and short messages is realized.
According to one embodiment of the invention, the APP application software is loaded on the handheld terminal with the system with the android more than 4.2, so that remote control of an ultrashort wave radio station and transmission of services such as voice, pictures, short messages and the like can be completed.
According to one embodiment of the invention, the single chip microcomputer, the display screen and the keys can share a display control unit device in the ultra-short wave radio station. The single chip microcomputer is TM32F103xF, an ARM32-bit Cortex-M3 inner core is adopted, the working frequency can reach 72MHz at most, the chip is provided with 1M internal Flash and 96k internal SRAM, and the chip is provided with rich external interfaces and internal resources. The display control function of the ultra-short wave radio station is completed through the single chip microcomputer, the display screen and the keys, and one-key configuration can be carried out on the working state of the UART-WIFI module through AT instructions.
According to the invention, by designing the UART-WIFI module, the ultra-short wave radio station can be controlled through the handheld terminal, and the ultra-short wave radio station is remotely controlled based on WIFI, so that the transmission speed is high, the reliability is high, the communication distance is about 100 meters in a closed area, the communication distance can reach 300 meters in an open area, and the highest transmission rate can reach hundreds of megabits per second.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (6)
1. An ultrashort wave radio station remote control device based on WIFI is characterized by comprising a UART-WIFI module, a handheld terminal, a single chip microcomputer and a display module;
the UART-WIFI module is connected with an ultra-short wave radio station through a serial port, the UART-WIFI module is connected with the handheld terminal through WIFI, and the handheld terminal interacts data with the ultra-short wave radio station through the WIFI; the UART-WIFI module is connected with the single chip microcomputer through a general I/O port, the single chip microcomputer configures the working state of the UART-WIFI module through an AT instruction, and the display module is used for man-machine interaction, namely, for inquiring and configuring parameters of the UART-WIFI module.
2. The WIFI-based ultrashort wave radio station remote control device of claim 1, wherein the UART-WIFI module adopts HLK-M30 to realize serial port-WIFI conversion; the embedded module based on the UART interface and conforming to the WIFI wireless network standard is internally provided with a wireless network protocol IEEE802.11n protocol stack and a TCP/IP protocol stack, and realizes the conversion from a user serial port or TTl level data to a wireless network.
3. A WIFI-based ultrashort wave radio station remote control device according to claim 2, wherein the UART-WIFI module has two modes of operation, transparent transmission mode and command mode respectively; in the transparent transmission mode, the serial port data packet is directly packaged and sent to the WIFI module, and the data packet is transmitted to other wireless terminals through the WIFI module; in the command mode, the single chip microcomputer configures the working state of the UART-WIFI module by using an AT instruction.
4. The WIFI-based ultrashort wave radio station remote control device of claim 1, further comprising APP application software, wherein the APP application software acquires the service state, network related parameters and local IP address of the current system through an API (application program interface) of an Android system, and is connected with the wireless module in a WIFI mode.
5. The WIFI-based ultrashort wave radio station remote control device of claim 4, wherein the APP application software is loaded on a handheld terminal with a system of android4.2 or more.
6. The WIFI-based ultrashort wave radio remote control device of claim 1 wherein the display module comprises a display screen and keys for configuring parameters of the UART-WIFI module.
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| CN201911415225.2A CN111105609A (en) | 2019-12-31 | 2019-12-31 | WIFI-based ultrashort wave radio station remote control equipment |
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| CN201911415225.2A CN111105609A (en) | 2019-12-31 | 2019-12-31 | WIFI-based ultrashort wave radio station remote control equipment |
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