CN104735821B - A kind of wireless network card and its implementation turning serial port function with USB - Google Patents
A kind of wireless network card and its implementation turning serial port function with USB Download PDFInfo
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- CN104735821B CN104735821B CN201510097641.8A CN201510097641A CN104735821B CN 104735821 B CN104735821 B CN 104735821B CN 201510097641 A CN201510097641 A CN 201510097641A CN 104735821 B CN104735821 B CN 104735821B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Information Transfer Systems (AREA)
- Telephone Function (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A kind of wireless network card and its implementation turning serial port function with USB provided by the present invention, by will be used to be connected with the USB interface of external equipment, change the data got from the USB interface into serial data, realize that the wireless network card establishes physical connection with the external equipment with USB interface, and the serial data is sent out by serial ports wireless module, the embedded host with USB interface is quickly accessed into network to realize, realization method is simple, it is at low cost, avoid installation WIFI drivings, built-in network protocols stack is not needed, and the requirement to system is low, with stronger practicability.
Description
Technical field
The present invention relates to the information communications field more particularly to it is a kind of with USB turn serial port function wireless network card and
Its implementation.
Background technology
USB WIFI network interface cards are a kind of network equipments that the USB interface using computer carries out data transmission, computer,
It is widely used on the products such as mobile phone, tablet computer, makes equipment that need not use cable that can access network.
Since the type of drive of existing USB WIFI network interface cards is complicated, apply in embedded systems it is very difficult,
And more and more embedded systems need network insertion to provide more abundant, intelligence application.
Therefore, the prior art is up for further improving.
Invention content
In view of above-mentioned shortcoming in the prior art, it is an object of the invention to provide a kind of band USB interface to the user
Wireless network card and its implementation, with solution, embedded system is when accessing network in the prior art, USB WIFI trawl performances
The problems such as mode is complicated, is not easy to install, application difficult.
The technical proposal for solving the technical problem of the invention is as follows：
A kind of wireless network card turning serial port function with USB, wherein including：
It is connected for the USB interface with external equipment, changes the data got from the USB interface into serial ports number
According to realizing that the wireless network card establishes the USB serial ports conversion modules of physical connection with the external equipment with USB interface；
For obtaining serial data from USB serial ports conversion modules, and establishes wireless communication with wireless signal transmission equipment and connect
It connects, realizes the serial ports wireless module of data exchange；
The USB serial ports conversion module is connected with serial ports wireless module by serial ports.
The wireless network card for turning serial port function with USB, wherein the USB serial ports conversion module turns for USB- serial ports
It changes chip or usb protocol parsing is converted into the microcontroller of rs 232 serial interface signal.
The wireless network card for turning serial port function with USB, wherein the serial ports wireless module is the WIFI with serial ports
Module or chip.
A kind of implementation method of the wireless network card turning serial port function with USB, wherein including：
A, by the data conversion received from the USB interface of external equipment at serial data;
B, the serial data is sent out by radio communication.
The implementation method of the wireless network card for turning serial port function with USB, wherein further include in the step A：
By USB- serial ports conversion chips by the data conversion received from USB interface at serial data or by by USB
Protocol analysis is converted into the microcontroller of rs 232 serial interface signal by the data conversion received from USB interface into serial data.
The implementation method of the wireless network card for turning serial port function with USB, wherein further include in the step B：
The information received by serial ports is parsed, then sends out it by radio communication if serial data, if
Order then executes corresponding operating.
It is described with USB turn serial port function wireless network card implementation method, wherein the serial ports wireless module be with
The WIFI module or chip of serial ports.
A kind of advantageous effect, wireless network card and its implementation turning serial port function with USB provided by the present invention, leads to
Crossing will be connected for the USB interface with external equipment, change the data got from the USB interface into serial data, real
The existing wireless network card and the external equipment with USB interface establish physical connection, and by the serial data by serial ports without
Wire module is sent out, and the embedded host with USB interface is quickly accessed network to realize, realization method is simple, avoids
Installation WIFI drivings, and the requirement to system is low, has stronger practicability.
Description of the drawings
Fig. 1 is a kind of principle assumption diagram of USB serial ports wireless network card provided by the invention.
Fig. 2 is a kind of step flow chart of USB serial ports wireless network card implementation method provided by the invention.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer and more explicit, develop simultaneously embodiment pair referring to the drawings
The present invention is further described.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, and do not have to
It is of the invention in limiting.
The invention discloses a kind of wireless network cards turning serial port function with USB, as shown in Figure 1, shown wireless network card packet
It includes：
It is connected for the USB interface with external equipment, changes the data got from the USB interface into serial ports number
According to realizing that the wireless network card establishes the USB serial ports conversion module 10 of physical connection with the external equipment with USB interface；
For obtaining serial data from USB serial ports conversion modules, and establishes wireless communication with wireless signal transmission equipment and connect
It connects, realizes the serial ports wireless module 20 of data exchange；
The USB serial ports conversion module 10 is connected with serial ports wireless module 20 by serial ports.
USB interface is converted into the USB serial ports conversion modules of serial ports by being provided with inside it by the wireless network card,
So as to so that, when using the wireless network card by system access network when, then the system identification wireless network card be serial equipment,
Therefore system can will need the data transmitted to be transmitted to serial ports wireless module by USB serial ports conversion modules, pass through the string
The data that mouth wireless module is sent out, and received in serial ports wireless module, first parsing is converted to serial data, then passes through string
Mouth and USB serial ports conversion modules are converted into usb data by serial data, are transmitted in system, to realize that embedded system is logical
Cross wireless communication access network.
Specifically, the USB serial ports conversion module is USB- serial ports conversion chips or usb protocol is parsed conversion bunchiness
The microcontroller of message number.The USB- serial ports conversion chips can be dedicated for USB interface is converted to serial ports chip or
Person by usb protocol by parsing the microcontroller for being converted into rs 232 serial interface signal by the data conversion received from USB interface into serial data
To realize its function.
The serial ports wireless module is WIFI module or chip with serial ports, and function can use dedicated serial ports
WIFI chips are realized, can also be used by MCU driving WIFI chips, then are converted data to the mode of serial data and realized.
For example, in the specific implementation, serial ports WIFI chips are responsible for the parsing of the transmitting-receiving and serial ports instruction of WIFI radiofrequency signals.
The serial ports WIFI built-in chip type WIFI agreements and network protocol stack can parse effective from the WIFI data packets of reception
Then data are sent by serial ports.For the data that serial ports receives, can identify order or data, be order then
Corresponding operation is executed, is that data are then packaged into WIFI data packets, is sent by WIFI.
On the basis of above-mentioned wireless network card, the present invention also provides it is a kind of it is described have USB turn the wireless of serial port function
The implementation method of network interface card, as shown in Fig. 2, the described method comprises the following steps：
S1, by the data conversion received from the USB interface of external equipment at serial data.
S2, the serial data is sent out by radio communication.
Further include in the step S1：
By USB- serial ports conversion chips by the data conversion received from USB interface at serial data or by by USB
Protocol analysis is converted into the microcontroller of rs 232 serial interface signal by the data conversion received from USB interface into serial data.
Further include in the step S2：
The information received by serial ports is parsed, then sends out it by radio communication if serial data, if
Order then executes corresponding operating.
The serial ports wireless module is the WIFI module with serial ports.
A kind of wireless network card and its implementation turning serial port function with USB provided by the present invention, by that will be used for
It is connected with the USB interface of external equipment, changes the data got from the USB interface into serial data, realize the nothing
Gauze card establishes physical connection with the external equipment with USB interface, and the serial data is sent out by serial ports wireless module
Go out, the embedded host with USB interface is quickly accessed into network to realize, does not need system built-in network protocols, it is real
Existing mode is simple, avoids installation WIFI drivings, and the requirement to system is low, has stronger practicability.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Protect range.
Claims (2)
1. a kind of wireless network card turning serial port function with USB, which is characterized in that including：
It is connected for the USB interface with external equipment, changes the data got from the USB interface into serial data, it is real
The existing wireless network card establishes the USB serial ports conversion modules of physical connection with the external equipment with USB interface；
For obtaining serial data from USB serial ports conversion modules, and wireless communication connection is established with wireless signal transmission equipment, it is real
Show the serial ports wireless module of data exchange, the data received in serial ports wireless module, first parsing is converted to serial data, then leads to
Serial ports and USB serial ports conversion modules are crossed, being converted into usb data by serial data is transmitted in system；The USB serial ports modulus of conversion
Block is connected with serial ports wireless module by serial ports, and when using wireless network card by system access network, then this is wireless for system identification
Network interface card is serial equipment；
The serial ports wireless module is WIFI module or chip with serial ports；The WIFI module or core with serial ports
Built in piece then WIFI agreements and network protocol stack pass through for parsing effective data from the WIFI data packets of reception
Serial ports is sent, and for the data that serial ports receives, can identify order or data, is that order then executes accordingly
Operation, is that data are then packaged into WIFI data packets, is sent by WIFI；
The USB serial ports conversion module is USB- serial ports conversion chips or is converted into rs 232 serial interface signal for parsing usb protocol
Microcontroller.
2. a kind of implementation method for the wireless network card turning serial port function with USB as described in claim 1, which is characterized in that packet
It includes：
A, by the data conversion received from the USB interface of external equipment at serial data;
B, the serial data is sent out by radio communication；
Further include in the step A：
By USB- serial ports conversion chips by the data conversion received from USB interface at serial data or by by usb protocol
The microcontroller for being converted into rs 232 serial interface signal is parsed by the data conversion received from USB interface into serial data；
Further include in the step B：
The information received by serial ports is parsed, is then sent out it by radio communication if serial data, if order
Then execute corresponding operating；
The serial ports wireless module is WIFI module or chip with serial ports；
The WIFI module or chip with serial ports are responsible for the parsing of the transmitting-receiving and serial ports instruction of WIFI radiofrequency signals；
The WIFI module or built-in chip type WIFI agreements and network protocol stack with serial ports, for the WIFI numbers from reception
It according to effective data are parsed in packet, is then sent by serial ports, and for the data that serial ports receives, can identify is
Order or data are that order then executes corresponding operation, are that data are then packaged into WIFI data packets, are sent out by WIFI
It goes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510097641.8A CN104735821B (en) | 2015-03-05 | 2015-03-05 | A kind of wireless network card and its implementation turning serial port function with USB |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510097641.8A CN104735821B (en) | 2015-03-05 | 2015-03-05 | A kind of wireless network card and its implementation turning serial port function with USB |
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| CN104735821A CN104735821A (en) | 2015-06-24 |
| CN104735821B true CN104735821B (en) | 2018-10-02 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105573240A (en) * | 2016-01-14 | 2016-05-11 | 佛山职业技术学院 | Remote serial port control module based on WiFi |
| CN107404731A (en) * | 2016-05-20 | 2017-11-28 | 佛山市顺德区美的电热电器制造有限公司 | The test system and method for testing of wireless communication module |
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| CN102291854A (en) * | 2011-08-23 | 2011-12-21 | 德明通讯(上海)有限公司 | LTE (long term evolution) wireless network card terminal device |
| CN203598462U (en) * | 2013-12-02 | 2014-05-21 | 中国人民大学附属中学 | Wireless scoring system of bridge tournament |
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| CN101814058A (en) * | 2010-03-17 | 2010-08-25 | 苏州国芯科技有限公司 | Commonly-used storing device |
| CN101833887B (en) * | 2010-04-02 | 2011-09-14 | 江苏教育家教学装备有限公司 | Digital exploration experiment method based on universal wireless interface technology |
| CN102065125A (en) * | 2010-11-18 | 2011-05-18 | 广州致远电子有限公司 | Method for realizing embedded secure socket layer virtual private network (SSL VPN) |
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| CN1564262A (en) * | 2004-03-15 | 2005-01-12 | 金纯� | Blue-teeth GPRS general serial bus USB |
| CN102291854A (en) * | 2011-08-23 | 2011-12-21 | 德明通讯(上海)有限公司 | LTE (long term evolution) wireless network card terminal device |
| CN203598462U (en) * | 2013-12-02 | 2014-05-21 | 中国人民大学附属中学 | Wireless scoring system of bridge tournament |
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| CN104735821A (en) | 2015-06-24 |
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Address after: 528100 F3 (F3), C District, southwest garden of Sanshui center science and Technology Industrial Park, Foshan, Guangdong Applicant after: Guangdong Ecar Telematics Service Co.,Ltd. Address before: 528100, No. 2, inner ring road, 1 North East Sea Road, Sanshui East Road, Sanshui District, Guangdong, Foshan 203, 204 Applicant before: Guangdong Ecar Telematics Service Co.,Ltd. |
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