CN104298631A - Method for terminal to be in communication with computer through USB - Google Patents
Method for terminal to be in communication with computer through USB Download PDFInfo
- Publication number
- CN104298631A CN104298631A CN201310740807.4A CN201310740807A CN104298631A CN 104298631 A CN104298631 A CN 104298631A CN 201310740807 A CN201310740807 A CN 201310740807A CN 104298631 A CN104298631 A CN 104298631A
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- Prior art keywords
- usb
- interface
- serial bus
- universal serial
- terminal
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/102—Program control for peripheral devices where the programme performs an interfacing function, e.g. device driver
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Information Transfer Systems (AREA)
- Telephone Function (AREA)
Abstract
The invention discloses a method for a terminal to be in communication with a computer through a USB. The method for the terminal to be in communication with the computer through the USB is characterized by comprising the steps that a USB human-computer interface equipment interface is used for receiving first data sent by the computer through a USB interface; the received first data are sent to a control chip through an asynchronism transceiver interface so that the control chip can process the received first data. According to the method, the computer and the terminal still can be in communication under the condition that a terminal USB drive program is not installed in the computer.
Description
Technical field
The present invention relates to the communication technology, particularly terminal is by the method for USB and compunication.
Background technology
Usb protocol is flexible, can support that synchronous and asynchronous data are transmitted, and provide a kind of standard interface extensively can receiving various equipment, therefore, is widely used in and connects computing machine and mobile phone.
At present, nearly all mobile phone is all supported to use USB line and intercomputer to carry out data interaction, this mutual process is: be connected with computing machine by USB line by mobile phone, when COMPUTER DETECTION to have USB device insert after, judge whether the driver of this USB device is installed, if do not installed, then computing machine refusal communicates with mobile phone, and ejects the prompting frame installed USB and drive; Only have after having installed USB driving, mobile phone could communicate with computing machine with the identity of USB device.
State mobile phone in realization by the process of USB and compunication, inventor finds that in prior art, at least there are the following problems: after mobile phone and computing machine first connection, USB first must be installed and drive mobile phone ability and compunication, otherwise communication cannot be carried out.But the USB driver of mobile phone does not carry at random sometimes, or the installation of driver can not be carried out at some special occasions computing machine, USB like this first must be installed and drive the mode just carrying out mobile phone and compunication to be restricted.
Summary of the invention
The object of the present invention is to provide a kind of terminal by the method for USB and compunication, can when computing machine have installing terminal USB (universal serial bus) driver, still can make intercoming mutually of computing machine and terminal.
The object of the present invention is achieved like this: a kind of terminal is by the method for USB and compunication, comprise: use USB (universal serial bus) human interface devices interface accepts the first data that computing machine is sent by USB (universal serial bus): moral for acceptance the first data are sent to control chip by UART Universal Asynchronous Receiver Transmitter interface, so that described control chip processes the first data received.Terminal, by a method for USB (universal serial bus) and compunication, comprising: after detecting that terminal is accessed by USB (universal serial bus), detects the USB (universal serial bus) driver whether having installed this USB (universal serial bus) terminal; If have, described driver is installed, is then directly communicated with the control chip of described terminal by described USB (universal serial bus); If do not install described driver, then called the USB (universal serial bus) human interface devices interface of described USB (universal serial bus) terminal by application programming interface; And communicated with the control chip of described end by described USB (universal serial bus) human interface devices interface; A kind of terminal, comprising: receiving element, sending the first data for using USB (universal serial bus) human interface devices interface computing machine by USB (universal serial bus); Transmission unit, for the receive first data are transferred to control chip by UART Universal Asynchronous Receiver Transmitter interface, so that described control chip processes the first data received.
A kind of computing machine, comprising: detecting unit, for after detecting that terminal is accessed by USB (universal serial bus), detects the USB (universal serial bus) driver whether having installed this USB (universal serial bus) terminal; First communication unit, if for there being the program of installing described driving, is then directly communicated with the control chip of described terminal by described USB (universal serial bus); Second communication unit, if for not installing described driver, then calls the USB (universal serial bus) human interface devices interface of described USB (universal serial bus) terminal by described USB (universal serial bus); And communicated with the control chip of described terminal by described USB (universal serial bus) human interface devices interface.
The terminal that the embodiment of the present invention provides, by the method for UBS and compunication, terminal and computing machine, uses the first data that USB (universal serial bus) user-machine interface receiving computer is sent by USB (universal serial bus); The first data received are sent to control chip by UART Universal Asynchronous Receiver Transmitter interface, so that described control chip processes the first data received, because computer system acquiescence of the prior art is with the driver of HID interface, therefore, no matter whether computing machine has been provided with the driver of terminal, then can identification terminal, and communicate for terminal.The present invention can when computing machine have installing terminal USB (universal serial bus) driver, still can make intercoming mutually of computing machine and terminal.
In order to the clearer explanation embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only examples more of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is communication scheme between mobile phone and computing machine in prior art;
The terminal that Fig. 2 provides for the embodiment of the present invention is by the process flow diagram of the method for USB (universal serial bus) and compunication;
Another terminal that Fig. 3 provides for the embodiment of the present invention is by the process flow diagram of the method for USB (universal serial bus) and compunication;
Fig. 4 is the structural representation communicated between mobile phone with computing machine in invention example;
The mobile phone that Fig. 5 provides for the embodiment of the present invention is by the process flow diagram of the method for USB (universal serial bus) and compunication;
The structural drawing of the terminal that Fig. 6 provides for the embodiment of the present invention;
The structural drawing of another terminal that Fig. 7 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belong to scope.
Embodiments provide the method for a kind of terminal by USB and compunication, as shown in Figure 2.
201, the first data that USB HID receiving computer is sent by USB interface are used.After computing machine sends data by USB interface, the first data that terminal uses USB HID receiving computer to be sent by USB (universal serial bus).
202, the first data received are sent to control chip by UART Universal Asynchronous Receiver Transmitter interface, so that described control chip processes the first data received.Further alternatively, described in the present embodiment, method also comprises:
203, the second data sent by control chip are forwarded to USB HID interface through UART interface.
204, described second data are passed through described USB HID interface, and be sent to computing machine by USB interface, so that described computing machine processes described second data.As the implementation case one preferred embodiment, USB HID and described UART Universal Asynchronous Receiver Transmitter interface are bridge interface.The terminal that the present embodiment provides, by the method for USB and compunication, uses the first data that HID interface computing machine is sent by USB interface; The first data received are sent to control chip by UART interface, with be convenient to described control chip the first data received processed, because computer system acquiescence of the prior art is with the driver of HID interface, therefore, no matter whether computing machine has been provided with the driver of terminal, then can identification terminal, and communicate with terminal.
The embodiment of the present invention provides another kind of terminal by the method for USB (universal serial bus) and compunication, as shown in Figure 3, comprising:
301, after detecting that terminal is got involved by USB, the USB driver whether having installed USB end is detected.Whether COMPUTER DETECTION installing terminal USB driver, installs described driver if having, then perform step 302, if do not install described driver, then performs step 303.
302, communicated with the control chip of described terminal by described USB HID interface.
303, by described API application programming interface, the USB HID interface of described usb terminal is called.
Concrete steps comprise: step one, computing machine sends the first data by described USB HID to UART interface, so that described UART interface by described first data retransmission to control chip, further so that described control chip processes the first data received.Step 2, computing machine receiving terminal are by described USB HID interface, and send the second data by described USN interface, and described second data are processed, described second data are that described control chip is sent to described USB HID interface through described UART interface.In the embodiment of the present invention, step 1, step 2 can perform simultaneously, also can perform separately.
As the present embodiment one preferred embodiment, USB HID and described UART interface are the interface of bridge.The terminal that the present embodiment provides, by the method for USB and compunication, after detecting that terminal is accessed by USB interface, detects the USB driver whether having installed this usb terminal; If have, described program is installed, is then directly communicated with the control chip of described terminal by described USB interface; If do not install described driver, then called the USB HID interface of described USB by api interface; And communicated with the control chip of described terminal by described USB HID interface, because computer system of the prior art is with the driver of HID interface, therefore, no matter computing machine time the driver of terminal has been installed, then can identification terminal, and communicate with terminal.
In order to describe terminal that the embodiment of the present invention the provides method by USB (universal serial bus) and compunication in detail, communication means between the computing machine adopting technical solution of the present invention and mobile phone is described in detail in detail below, first, the structure of the computing machine in the present embodiment, mobile phone is introduced, as shown in Figure 4, mobile phone comprises a bridge, this bridge has USB HID interface and RART interface, USB HID interface is used for directly communicating with USB interface, and RART interface is used for directly communicating with mobile phone master chip.
As shown in Figure 5, the method comprises:
501, computing machine is after detecting that mobile phone is accessed by USB interface, has installed the USB driver of this mobile phone when detection.If have, described driver is installed, then performs step 502; If do not install described driver, then perform step 503.
502, computing machine is directly communicated with the control chip of mobile phone by described USB interface, and flow process terminates.
503, computing machine is by the USB HID interface of api interface calling mobile phone, and sends the first data by USB interface to the USB HID interface of mobile phone.HID equipment is a large class in USB device class, by people's widespread use.The benefit using USB HID equipment is exactly that operating system has carried the driver of HID class, and user is without the need to removing to develop pretty troublesome driver, as long as directly use API Calls to complete communication.So a lot of simple USB device, like enumerating into HID equipment, so just can install and drive and directly use.
504, mobile phone uses the first data that USB interface receiving computer is sent by USB interface.
505, the first data received are sent to control chip by UART interface, because control chip processes the first data received.
506, the second data that control chip sends by mobile phone are forwarded to USB interface through UART interface.
507, described second data are passed through described USB HID interface, and be sent to computing machine by USB interface.
508, computing machine processes described second data.
The terminal that the present embodiment provides, by the method for USB and compunication, after detecting that terminal is accessed by USB interface, detects the USB driver whether having installed this usb terminal; If there is install driver, then directly communicated with the control chip of described terminal by described USB interface; If do not install described driver, then called the USB HID interface of described usb terminal by api interface; And communicated with the control chip of described terminal by described USB HID interface, because computer system of the prior art acquiescence is with the driver of HID interface, therefore, no matter whether computing machine has been provided with the driver of terminal, then can identification terminal, and communicate with terminal.Embodiments provide a kind of terminal, as shown in Figure 6, comprise receiving element 61, transmission unit 62.
Wherein, receiving element 61, for the first data using communication universal serial bus user-machine interface receiving computer to be sent by USB (universal serial bus); Transmission unit 62, for the receive first data are transferred to control chip by UART Universal Asynchronous Receiver Transmitter interface, so that described control chip processes the first data received.Further alternative, the terminal that the present embodiment provides can also comprise: retransmission unit 63, the second data for being sent by control chip are forwarded to USB (universal serial bus) human interface devices interface through UART Universal Asynchronous Receiver Transmitter interface: transmitting element 64, for by described second data by described USB (universal serial bus) human interface devices interface, and be sent to computing machine by USB (universal serial bus), so that described computing machine wakes up with a start process to described second data, further alternative, bridge, described bridge comprises described receiving unit, described transmission unit, described retransmission unit, described transmitting element, described USB (universal serial bus) human interface devices interface and described UART Universal Asynchronous Receiver Transmitter interface are the interface of described bridge.
The terminal that the embodiment of the present invention provides, the first data that receiving element uses HID interface computing machine to be sent by USB (universal serial bus); The first data received are sent to control chip by UART Universal Asynchronous Receiver Transmitter interface by transmission unit, so that described control chip processes the first data received, because computer system acquiescence of the prior art is with the driver of HID interface, therefore, no matter whether computing machine has been provided with the driver of terminal, then can identification terminal, and communicate with terminal.
Embodiments provide a kind of computing machine, as shown in Figure 7, comprising: detecting unit 71, first communication unit 72, second communication unit 73.Detecting unit 71, for after detecting that terminal is accessed by USB (universal serial bus), detects the USB (universal serial bus) driver whether having installed this USB (universal serial bus) terminal.First communication unit 72, if install described driver for having, is then directly communicated with the control chip of described terminal by described USB (universal serial bus).Second communication unit 73, if for not installing described driver, then called the USB (universal serial bus) human interface devices interface of described USB (universal serial bus) terminal by application programming interface, and communicated with the control chip of described terminal by described USB (universal serial bus) human interface devices interface.
Further alternative, second communication unit 73 comprises; First communication module 731, for sending the first data by described USB (universal serial bus) human interface devices interface to UART Universal Asynchronous Receiver Transmitter interface, so that described UART Universal Asynchronous Receiver Transmitter interface by described first data retransmission to control chip, further so that described control chip processes the first data received, or.Second communication module 732, for receiving terminal by described USB (universal serial bus) human interface devices interface, and by the second data that described USB (universal serial bus) sends, and described second data are processed, described second data are that described control chip is sent to described USB (universal serial bus) human interface devices interface through described UART Universal Asynchronous Receiver Transmitter interface.
The terminal that the present embodiment provides, detecting unit is after detecting that terminal is accessed by USB interface, detect the USB driver whether having installed this usb terminal, install described driver if having, then the first communication unit is directly communicated with the control chip of described terminal by described USB interface; If do not install described driver, then second communication unit calls the USB HID interface of described usb terminal by api interface; And communicated with the control chip of described terminal by described USB HID interface, because computer system of the prior art acquiescence is with the driver of HID interface, therefore, no matter whether computing machine has been provided with the driver of terminal, then can identification terminal, and communicate with terminal.
In sum, the embodiment of the present invention abandons using the installation USB that needs of mobile phone master chip support to drive the USB interface that just can carry out work, but a plug-in HID USB turns UART bridge.Change bridge and supported two kinds of interfaces: UART interface and USB HID interface.Connect the UART interface of mobile phone master chip support itself, then at the USB HID interface of coupled to bridge to the USB interface of computing machine, material is thus formed the complete path of mobile phone to computing machine.
When computing machine sends data, the data that computing machine sends send to HID USB to turn UART bridge by USB, the data received are sent to mobile phone master chip by UART interface by bridge, so just achieve mobile phone to receive house and to calculate data, when chip for cell phone sends data, data send to bridge by UART interface, and the data obtained from mobile phone master chip are sent to computing machine by USB interface by bridge again, so just achieve computing machine and receive data in mobile phone.And due to USB HID equipment can be judged as when the USB HID of bridge is connected to computing machine by USB line, such computing machine will enumerate this equipment and automatically without the need to installing USB driver, thus achieves and do not install mobile phone USB and drive and can realize communicating of mobile phone and intercomputer.
82 by the description of above embodiment, those skilled in the art can be well understood to the mode that the present invention can add necessary common hardware by software and realize, hardware can certainly be passed through, but the former better embodiment in a lot of situation, based on such understanding, technical scheme of the present invention can show with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in the storage medium that can read, as the floppy disk of computing machine, hard disk or CD etc., comprise some instructions and perform method described in each embodiment of the present invention in order to make a computer equipment.
Claims (10)
1. terminal is by a method for USB and compunication, it is characterized in that: use the first data that USB (universal serial bus) human interface devices interface computing machine is sent by USB (universal serial bus); The first data received are sent control chip, so that control chip processes the first data received by UART Universal Asynchronous Receiver Transmitter interface.
2. terminal according to claim 1 is by the method for USB and compunication, it is characterized in that: the second data sent by control chip are forwarded to USB (universal serial bus) human interface devices interface through UART Universal Asynchronous Receiver Transmitter interface; By the second data by USB (universal serial bus) human interface devices interface, and send to computing machine by USB (universal serial bus), so that computing machine processes the second data.
3. terminal according to claim 2 is by the method for USB and compunication, it is characterized in that: USB (universal serial bus) human interface devices interface and UART Universal Asynchronous Receiver Transmitter interface are the interface of bridge.
4. terminal according to claim 1 is by the method for USB and compunication, it is characterized in that: after detecting that terminal is accessed by USB (universal serial bus), detects the USB (universal serial bus) driver whether having installed this USB (universal serial bus) terminal; If there is install driver, then directly communicated with the control chip of terminal by USB (universal serial bus); If there is no install driver, then called the USB (universal serial bus) human interface devices interface of USB (universal serial bus) terminal by application programming interface; And communicated with terminal control chip by USB (universal serial bus) human interface devices interface.
5. terminal according to claim 4 is by the method for USB and compunication, it is characterized in that: carry out communication by the control chip of USB (universal serial bus) human interface devices interface and terminal and comprise: by USB (universal serial bus) human interface devices interface to UART Universal Asynchronous Receiver Transmitter interface send the first data so that UART Universal Asynchronous Receiver Transmitter interface by the first data retransmission to control chip, further so that control chip processes the first data received or, receiving terminal is by USB (universal serial bus) human interface devices interface, and by the second data that USB (universal serial bus) sends, and the second data are processed, second data are that control chip is sent to USB (universal serial bus) human interface devices interface through UART Universal Asynchronous Receiver Transmitter interface.
6. terminal according to claim 1 is by the method for USB and compunication, it is characterized in that: described terminal comprises: receiving element, the first data connecing interface equipment interface computing machine for using USB (universal serial bus) people and sent by USB (universal serial bus); Transmission unit, for the receive first data are transferred to control chip by UART Universal Asynchronous Receiver Transmitter interface, so that control chip processes the first data received.
7. terminal according to claim 6 is by the method for USB and compunication, it is characterized in that: also comprise: retransmission unit, is forwarded to USB (universal serial bus) human interface devices interface for the second data sent by control chip through UART Universal Asynchronous Receiver Transmitter interface; Transmitting element, for the second data are passed through USB (universal serial bus) human interface devices interface, and is sent to computing machine by USB (universal serial bus), so that computing machine processes the second data.
8. terminal according to claim 7 is by the method for USB and compunication, it is characterized in that: also comprise bridge, bridge comprises receiving element, transmission unit, retransmission unit, transmitting element, and USB (universal serial bus) people connects interface equipment interface and UART Universal Asynchronous Receiver Transmitter interface is the interface of bridge.
9. terminal according to claim 1 is by the method for USB and compunication, it is characterized in that: described computing machine comprises: detecting unit, for after detecting that terminal is accessed by USB (universal serial bus), detect the USB (universal serial bus) driver whether having installed this USB (universal serial bus) terminal; First communication unit, if for there being install driver, is then directly communicated with the control chip of terminal by USB (universal serial bus); Second communication unit, if for there is no install driver, the USB (universal serial bus) people then calling USB (universal serial bus) terminal by application programming interface connects interface equipment interface, and is communicated with the control chip of terminal by USB (universal serial bus) human interface devices interface.
10. terminal according to claim 9 is by the method for USB and compunication, it is characterized in that: second communication unit comprises: first communication module, for sending the first data by USB (universal serial bus) human interface devices interface to UART Universal Asynchronous Receiver Transmitter interface, so that the first data are pass on to control chip by UART Universal Asynchronous Receiver Transmitter interface, further so that control chip processes the first data received, or, comprise: second communication module, for receiving terminal by USB (universal serial bus) human interface devices interface, and by the second data that USB (universal serial bus) sends, and the second data are processed, second data are that control chip is sent to USB (universal serial bus) human interface devices interface through UART Universal Asynchronous Receiver Transmitter interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310740807.4A CN104298631A (en) | 2013-12-29 | 2013-12-29 | Method for terminal to be in communication with computer through USB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310740807.4A CN104298631A (en) | 2013-12-29 | 2013-12-29 | Method for terminal to be in communication with computer through USB |
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| Publication Number | Publication Date |
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| CN104298631A true CN104298631A (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310740807.4A Pending CN104298631A (en) | 2013-12-29 | 2013-12-29 | Method for terminal to be in communication with computer through USB |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938463A (en) * | 2015-09-18 | 2016-09-14 | 重庆邮电大学 | Method for communication between terminal and computer |
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| US20050204072A1 (en) * | 2004-03-02 | 2005-09-15 | Kazuhiro Nakagawa | Communication system, communication apparatus, communication method, and computer program thereof |
| CN101661450A (en) * | 2009-09-22 | 2010-03-03 | 张建强 | New communication way between computers |
| CN102426558A (en) * | 2011-11-11 | 2012-04-25 | 青岛海信移动通信技术股份有限公司 | Communication method of terminal and computer through universal serial bus (USB), terminal, and computer |
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Patent Citations (3)
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| US20050204072A1 (en) * | 2004-03-02 | 2005-09-15 | Kazuhiro Nakagawa | Communication system, communication apparatus, communication method, and computer program thereof |
| CN101661450A (en) * | 2009-09-22 | 2010-03-03 | 张建强 | New communication way between computers |
| CN102426558A (en) * | 2011-11-11 | 2012-04-25 | 青岛海信移动通信技术股份有限公司 | Communication method of terminal and computer through universal serial bus (USB), terminal, and computer |
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