CN100361101C - Shared terminal, host computer and use thereof - Google Patents
Shared terminal, host computer and use thereof Download PDFInfo
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- CN100361101C CN100361101C CNB2005100088526A CN200510008852A CN100361101C CN 100361101 C CN100361101 C CN 100361101C CN B2005100088526 A CNB2005100088526 A CN B2005100088526A CN 200510008852 A CN200510008852 A CN 200510008852A CN 100361101 C CN100361101 C CN 100361101C
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Abstract
The present invention relates to a terminal sharing one host computer. A control circuit of the terminal is provided with module bridges, an image display card or an image display chip, an audio controller, a mouse interface, a keyboard interface or a touch screen interface and a solidified software unit, wherein the module bridges which are respectively connected with a microprocessor, an Ethernet controller and/or a USB interface controller convert processing data and execute control orders between the terminal and the host computer; the solidified software unit is arranged in the microprocessor. The host computer of the present invention comprises a driver unit and a multiuser administration application unit, wherein the driver unit is arranged between an upper layer operating system and a lower layer operating system of the host computer and matched with the terminal solidified software and/or the module bridges to complete the conversion and the transmission of data and orders; the multiuser administration application unit is arranged on the upper layer operating system of the host computer and used for respectively establishing independent user desk systems and/or independent user accounts for each of terminals inserted in the Ethernet interface and/or the USB interface of the host computer, controlling and managing the independent user desk systems and/or the independent user accounts.
Description
Technical field
The present invention relates to a kind of terminal of sharing a host computer, exactly, relate to a kind of a plurality of terminals that are connected to same host computer by industry ethernet interface/usb bus interface, and these terminals and host computer use the using method of the peripherals and the software resource of this host computer simultaneously, and, each terminal all has oneself independently account and desktop system, belongs to field of computer technology.
Background technology
Release so far since computing machine, people pay close attention to the lifting of computer CPU dominant frequency always, and the mole theorem is thought: double every 18 months computing powers.Now, the computer CPU dominant frequency has reached more than the 3Ghz, and two cpu chips and multi thread CPU chip all emerge, and the function of computing machine becomes from strength to strength; Simultaneously, the memory device capacity of computing machine is also increasing.Each computer user has often only used the sub-fraction resource of this computer CPU when using computing machine that it had, CPU is in idle condition in most times, and therefore, the actual service efficiency of computing machine is not high.But, at present, when having a plurality of users to use a computer simultaneously in an enterprise or the family, dispose a computing machine for often each user, also be necessary for every computing machine simultaneously and purchase the corresponding software and the network equipment, to realize resource sharing, so just be created in the resource overlapping investment under the prerequisite that the efficient of every computer do not make full use of, cause unnecessary fund to be wasted.Though the hardware price of computing machine is reducing day by day,, its software price and operating cost exceed much than computer hardware, and in the long run, this trend can be increasingly sharpened.
Because microelectric technique and fast development of computer technology make a host computer to be used simultaneously and might become a reality by a plurality of users.Therefore, people wish to have a kind of device, can make a plurality of computer users use a host computer simultaneously, only need to buy a cover operating system and a cover corresponding application software simultaneously, just can save expensive hardware and software cost for the computer user.
At present, the above-mentioned equipment of sharing a host computer has been arranged, but have following shortcoming: its hardware unit is installed in the interface slot of host computer, and, before installation, must open computer housing earlier with power-off, hardware card is installed in the idle interface slot, and then the pass upper casing, start computer, install driver.More than after each step all finishes, the use of can starting shooting.Obviously, the installation process complexity need possess certain professional skill, is not that the common computer user can both finish above-mentioned fitting operation.In addition, this hardware device must take the limited interface slot in the host computer, and the external device of this subscriber terminal equipment (as display etc.) all must be installed in the place very near apart from host computer, makes that computer user's the working space of each shared host computer is very little.Therefore, when the terminal of some application scenario must be away from host computer, just can not use this equipment.So above-mentioned various shortcomings cause the at present existing product of sharing a host computer to be difficult to penetration and promotion.
Ethernet (ETHERNET claims LAN (Local Area Network) again) interface has been widely used in the computer industry as a kind of high speed universal serial bus standard interface.People are connected to the Internet by the Ethernet interface of computer, seek required information.Release based on the network interface card of 1,000,000 1Gigabit/s Ethernet interfaces fast, 10 mbit ethernet interface standards are also in development.USB interface is widely used in the computer industry equally as another kind of universal serial bus standard interface.Now, all computers all are furnished with Ethernet interface and USB interface.Release along with high speed USB standard and fastethernet interface standard, how to develop a kind of cheapness, plug and play and based on the apparatus and method of sharing a host computer of Ethernet/USB interface, so that make a plurality of computer users use same host computer to become the new problem that people pay close attention to and research and develop by Ethernet/USB interface respectively simultaneously.This device is supported plug and play, easy for installation, need not in the host computer interface slot, insert hardware, simultaneously, this device can be installed in the place distant apart from host computer, for example can reach 300 meters, therefore can be widely used in various occasions, have great social value away from host computer.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of terminal that can solve above-mentioned prior art weak point, share a host computer, the present invention is with USB or industry ethernet interface and plug and play technique, a kind of simple, the easy-to-use method and apparatus of sharing a host computer that provides for computer user, the present invention can realize on different operating system, is applicable to the computer of various support USB or industry ethernet interface.Wherein terminal is connected to host computer by industry ethernet interface or usb bus interface, each terminal can be host computer increases a user, when N terminal is connected to a host computer by industry ethernet interface or usb bus interface, adding the host subscriber just has N+1 computer user to use this host computer at the same time, shares peripherals, upper strata operating system and other software resource of this host computer; And each user has separately independently account and/or desktop system independently separately in computing machine, and N+1 computer user only need buy operating system and relevant application software, saved the hardware and software cost to the utmost.
In order to achieve the above object, the invention provides a kind of terminal of sharing a host computer, include on the control circuit of this terminal: microprocessor, ethernet controller that is connected with this microprocessor or general-purpose serial bus USB interface controller, the Ethernet interface or the USB interface that are connected with ethernet controller or usb interface controller, and direct supply; It is characterized in that: also include on the control circuit of described terminal:
Bridge modules, connect described microprocessor and described ethernet controller or usb interface controller respectively, as the execution of data conversion treatment between terminal and the host computer and control command be used for transmitting data and fill order according to industry ethernet interface standard or usb bus interface standard; The image displaying card Video Card that is connected with this bridge modules or image display chip 2D/3D Graphics accelerator, Audio Controller Audio Controller, mouse interface and keyboard interface respectively, described image displaying card or image display chip are connected display or television interface and audio interface respectively with Audio Controller; Wherein display or television interface are used to connect display or televisor, and audio interface is used to connect loudspeaker and/or microphone, and mouse interface is respectively applied for keyboard interface and is connected mouse and keyboard;
Be arranged on the solidification software unit in the described microprocessor, be used for transmitting data and fill order, and between this terminal and host computer, transmit peculiar order of this terminal and data message according to industry ethernet interface standard or usb bus interface standard.
Described bridge modules includes: as the data-switching control circuit of data processing and control center, and respectively with this data-switching control circuit microprocessor linked bus interface circuit, display interface circuit, keyboard interface circuit, mouse interface circuit and audio interface circuit.
Described bridge modules is to adopt field programmable logic array (FPLA) fpga chip or application-specific integrated circuit ASIC chip and peripheral component thereof to realize.
Bridge modules in the described terminal control circuit, be integrated in a slice application-specific integrated circuit ASIC chip, be aided with peripheral component and realize its function with ethernet controller or usb interface controller and microprocessor.
Microprocessor, bridge modules, ethernet controller or usb interface controller, Ethernet interface or USB interface in the described terminal control circuit, image displaying card or image display chip, display interface device, Audio Controller, audio interface, mouse interface and keyboard interface are all concentrated in the control circuit that is arranged in the display.
Described mouse interface and keyboard interface can substitute with touch-screen Touch Screen interface.
Described image displaying card is local bus PCI (Peripheral Component Interconnection) type image displaying card or quickens image processing AGP (Accelerated Graphics Port) type image displaying card or third generation I/O Bus PC I EXPRESS type image displaying card.
Advantage of the present invention is: this terminal is supported plug and play, and is easy for installation, need not insert hardware in the host computer interface slot; Simultaneously, when using this terminal, its host computer can be installed in the place distant and comparatively safe apart from rugged surroundings, and for example this terminal can be installed in the abominable workshop of environment, and host computer is installed in special computer house; And for example can in the computer teaching classroom, install and use this terminal, and host computer is installed in special computer house, by router/and USB extender USB Extender terminal is connected to host computer, thereby guarantee the safety of host computer.
The present invention is a kind of with USB or industry ethernet interface and plug and play technique, a kind of simple, easy-to-use terminal, host computer and the using method of sharing a host computer that provides for computer user, the present invention can realize on different operating system, is applicable to the computer of various support usb bus or industry ethernet interface.Wherein terminal is connected to host computer by industry ethernet interface or usb bus interface, each terminal can be host computer increases a user, when N device is connected to a host computer by Ethernet interface or USB interface, adding the host subscriber just has N+1 computer user to use this host computer at the same time, shares peripherals, operating system and other software resource of this host computer; And each user has separately independently account and/or desktop system independently separately in computing machine, and N+1 computer user only need buy cover an operating system and relevant application software, saved the hardware and software cost to the utmost.
Description of drawings
Fig. 1 is that the present invention adopts keyboard and mouse to form block scheme as the terminal structure of sharing a host computer of user input device and usb bus interface.
Fig. 2 is that the present invention adopts keyboard and mouse to form block scheme as the terminal structure of sharing a host computer of user input device and industry ethernet interface.
Fig. 3 is that the bridge modules structure among Fig. 1 is formed block scheme.
Fig. 4 is the using method flow diagram that the present invention shares a host computer.
Fig. 5 is a software configuration level synoptic diagram of the present invention.
Fig. 6 is the solidification software operating process block scheme among the present invention.
Fig. 7 is the driver operating process block scheme among the present invention.
Fig. 8 is the multi-user management application program operating process block scheme among the present invention.
Fig. 9 be with keyboard and mouse as user input device, the terminal of sharing a host computer is connected to the first embodiment synoptic diagram of host computer by USB interface.
Figure 10 be with keyboard and mouse as user input device, the terminal of sharing a host computer is connected to the second embodiment synoptic diagram of host computer by USB interface.
Figure 11 be with touch-screen as user input device, the terminal of sharing a host computer is connected to the 3rd embodiment synoptic diagram of host computer by USB interface.
Figure 12 be four with keyboard and mouse as user input device, the terminal of sharing a host computer is connected to the embodiment synoptic diagram of host computer respectively by USB interface.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with drawings and Examples.
Referring to Fig. 1 and Fig. 2, these two figure have showed the terminal hardware structure composition functional-block diagram of sharing a host computer among the present invention respectively, and this terminal includes: direct supply 5, usb bus interface 10A or industry ethernet interface 10B, usb interface controller 21A or ethernet controller 21B, microprocessor 23, bridge modules 30, image displaying card or image display chip 40, display interface device 50, Audio Controller 60, audio interface 70, mouse interface 80 and keyboard interface 90.Wherein direct supply 5 provides power supply for this terminal 100.Wherein usb bus interface 10A or industry ethernet interface 10B are used for linking to each other with usb interface controller 21A or ethernet controller 21B respectively, microprocessor 23 links to each other with usb interface controller 21A or ethernet controller 21B and bridge modules 30 respectively, bridge modules 30 also links to each other with image displaying card or image display chip 40, Audio Controller CODEC60, mouse interface 80 and keyboard interface 90 respectively, image displaying card or image display chip 40 also link to each other with display or televisor interface 50, and Audio Controller 60 also links to each other with audio interface 70.The terminal 100 that the present invention shares a host computer connects host computer by usb bus interface 10A or industry ethernet interface 10B.This terminal is by multi-user management application program, driver in the host computer and be solidificated in solidification software in this terminal microprocessor 23 and/or bridge modules drives, wherein the multi-user management application program is loaded on the operating system of host computer upper strata, and driver is loaded between host computer upper strata operating system and the underlying operating system.The mounting structure level of above-mentioned software as shown in Figure 5.
As shown in Figure 1 microprocessor 23 can be integrated in the integrated circuit (IC) chip with USB USB (universal serial bus) controller 21A among the present invention.Not limitting as Fig. 1 or image displaying card shown in Figure 2 or the structural shape of image display chip 40, can be PCI type image displaying card or AGP type image displaying card or PCIEXPRESS type image displaying card or 2D figure speed-up chip or 2D/3D figure speed-up chip or lcd controller.The pattern of Audio Controller 60 is not limit yet, and its output terminal is connected to loudspeaker or sound equipment, and its input end is connected to microphone.Mouse interface 80 patterns are not limit, and can be PS2 interface or USB interface, and the pattern of keyboard interface 90 is not limit, and can be PS2 interface or USB interface.
Referring to Fig. 3, this figure is that the structure of sharing the bridge modules 30 in the terminal of a host computer among Fig. 1 is formed block scheme, comprising: microprocessor bus interface circuit 31, data-switching control circuit 32, display interface circuit 33, audio interface circuit 34, keyboard interface circuit 35, mouse interface circuit 36.Wherein as the microprocessor bus interface circuit 31 of the peripherals of microprocessor 23, be connected with microprocessor 23 with bus signals A by control signal B, to receive steering order and data from microprocessor 23, and control corresponding command signal C and traffic spike D outputed to data-switching control circuit 32, simultaneously, microprocessor bus interface circuit 31 is realized transmitting data to microprocessor 23 by send look-at-me to microprocessor 23.Data-switching control circuit 32 links to each other with microprocessor bus interface circuit 31 with traffic spike D by control command signal C, and link to each other with USB USB (universal serial bus) controller 21A with traffic spike F by first in first out control signal E, link to each other with display interface circuit 33 with data-signal H by control signal I, address signal G, link to each other with audio interface circuit 34 with data-signal N by control signal O, link to each other with keyboard interface circuit 35 with data-signal K by control signal J, link to each other with mouse interface circuit 36 with data-signal M by control signal L.Display interface circuit 33 also links to each other with image displaying card or image display chip 40 by display type pci interface bus R.Audio interface circuit 34 also links to each other with sound effect control device 60 by Audio Controller type interface bus P.Keyboard interface circuit 35 also links to each other with keyboard interface 90 by PS2 type interface bus S by control signal.Mouse interface circuit 36 also links to each other with keyboard interface 90 by PS2 type interface bus T.
Below in conjunction with Fig. 3, the principle of work of this bridge modules 30 of brief description and various signal flow:
1, when the control command signal C that receives when data-switching control circuit 32 is image display command, microprocessor bus interface circuit 31 can transmit the DMA address signal by traffic spike D simultaneously, the DMA length signals, the DMA enabling signal is given this data-switching control circuit 32, after data-switching control circuit 32 is received the DMA enabling signal, promptly send control signal corresponding I, address signal G and data-signal H give display interface circuit 33, after display interface circuit 33 is ready, data-switching control circuit 32 sends first in first out control signal E to USB USB (universal serial bus) controller 21, and will send display interface circuit 33 to via data-signal H again by traffic spike F from graph data or the image display chip control command of USB USB (universal serial bus) controller 21A, perhaps send relevant image display chip control command to display interface circuit 33 via data-signal H again from microprocessor bus interface circuit 31,33 of display interface circuits are converted to image display chip bus-type signal R with graph data or the image display chip control command that receives, and export to image display chip 40.When transmitting, graph data finishes or after image display chip control command is finished, data-switching control circuit 32 sends the Data Transfer Done signal to microprocessor bus interface circuit 31 by control bus C, and relevant state and data sent to USB USB (universal serial bus) controller 21A or return microprocessor bus interface circuit 31 by data bus D by data bus F, microprocessor bus interface circuit 31 is immediately with interrupt mode notice microprocessor 23, by control USB USB (universal serial bus) controller 21A command execution finished signal or the data that read send host computer to by microprocessor 23.
2, when the control command signal C that receives when data-switching control circuit 32 is audio output command or Audio Controller control command, microprocessor bus interface circuit 31 can transmit the DMA length signals by traffic spike D simultaneously, the DMA enabling signal is given data-switching control circuit 32, after data-switching control circuit 32 is received the DMA enabling signal, promptly send control signal corresponding O and data-signal N to audio interface circuit 34, after audio interface circuit 34 is ready, data-switching control circuit 32 sends first in first out control signal E to USB USB (universal serial bus) controller 21, and send audio data or the Audio Controller control command of USB USB (universal serial bus) controller 21A to audio interface circuit 34 via data-signal N again by traffic spike F, perhaps send relevant Audio Controller control command to audio interface circuit 34 via data-signal N from microprocessor bus interface circuit 31, audio interface circuit 34 is converted to Audio Controller bus-type signal P with audio data or the Audio Controller control command that receives, and exports to Audio Controller 60.After audio Data Transfer Done or Audio Controller control command are finished, data-switching control circuit 32 sends Data Transfer Done signals or the Audio Controller control command signal that is finished for microprocessor bus interface circuit 31 by control bus C, and relevant state and data sent to USB USB (universal serial bus) controller 21A or return microprocessor bus interface circuit 31 by data bus D by data bus F, microprocessor bus interface circuit 31 is immediately with interrupt mode notice microprocessor 23, and microprocessor 23 sends the command execution signal that finishes to host computer by control USB USB (universal serial bus) controller 21A.
3, when the control command signal C that receives when data-switching control circuit 32 is the audio input command, microprocessor bus interface circuit 31 can transmit the DMA length signals by traffic spike D simultaneously, the DMA enabling signal is given data-switching control circuit 32, after data-switching control circuit 32 is received the DMA enabling signal, promptly send control signal corresponding O to audio interface circuit 34, after audio interface circuit 34 is ready, data-switching control circuit 32 reads audio data from audio interface circuit 34 by data bus N, send first in first out control signal E simultaneously to USB USB (universal serial bus) controller 21A, send the audio data that read from audio interface circuit 34 to USB USB (universal serial bus) controller 21A, behind the audio Data Transfer Done, data-switching control circuit 32 sends the Data Transfer Done signal for microprocessor bus interface circuit 31 by control bus C, and relevant state and data sent to USB USB (universal serial bus) controller 21A or return microprocessor bus interface circuit 31 by data bus D by data bus F, microprocessor bus interface circuit 31 is immediately with interrupt mode notice microprocessor 23, and microprocessor 23 sends audio data and the command execution signal that finishes to host computer by control USB USB (universal serial bus) controller 21A.
4, the control command signal C that receives when data-switching control circuit 32 is when reading keyboard commands, microprocessor bus interface circuit 31 can transmit the DMA length signals by traffic spike D simultaneously, the DMA enabling signal is given data-switching control circuit 32, after data-switching control circuit 32 is received the DMA enabling signal, promptly send control signal corresponding J to keyboard interface circuit 35, after keyboard interface circuit 35 is ready, data-switching control circuit 32 reads keyboard data from keyboard interface circuit 35 by data bus K, send first in first out control signal E simultaneously to USB USB (universal serial bus) controller 21, send the keyboard data that reads from keyboard interface circuit 35 to USB USB (universal serial bus) controller 21A, or send microprocessor bus interface circuit 31 to by data bus D; After the keyboard data transmission finishes, data-switching control circuit 32 sends the Data Transfer Done signal to microprocessor bus interface circuit 31 by control bus C, and relevant state and data sent to USB USB (universal serial bus) controller 21A or return microprocessor bus interface circuit 31 by data bus D by data bus F, microprocessor bus interface circuit 31 is notified described microprocessor 23 with interrupt mode immediately, and microprocessor 23 sends keyboard data and the command execution signal that finishes to host computer by control USB USB (universal serial bus) controller 21A.
5, when the control command signal C that receives when data-switching control circuit 32 is keyboard control command, microprocessor bus interface circuit 31 can transmit the DMA length signals by traffic spike D simultaneously, the DMA enabling signal is given data-switching control circuit 32, after data-switching control circuit 32 is received the DMA enabling signal, promptly send control signal corresponding J to keyboard interface circuit 35, after keyboard interface circuit 35 is ready, data-switching control circuit 32 sends first in first out control signal E to USB USB (universal serial bus) controller 21A, send the keyboard control command of USB USB (universal serial bus) controller 21A to keyboard interface circuit 35 via data-signal K again by traffic spike F, perhaps send relevant keyboard control command to keyboard interface circuit 35 via data-signal K from microprocessor bus interface circuit 31, keyboard interface circuit 35 is converted to keyboard bus-type signal S with the keyboard control command that receives, and exports to keyboard interface 90; After keyboard control command is finished, data-switching control circuit 32 sends the keyboard control command signal that is finished for microprocessor bus interface circuit 31 by control bus C, and relevant state and data sent to USB USB (universal serial bus) controller 21A or return microprocessor bus interface circuit 31 by data bus D by data bus F, microprocessor bus interface circuit 31 is immediately with interrupt mode notice microprocessor 23, and microprocessor 23 sends be finished signal and status signal of keyboard control command to host computer by control USB USB (universal serial bus) controller 21A.
6, the control command signal C that receives when data-switching control circuit 32 is when reading mouse command, microprocessor bus interface circuit 31 can transmit the DMA length signals by traffic spike D simultaneously, the DMA enabling signal is given data-switching control circuit 32, after data-switching control circuit 32 is received the DMA enabling signal, promptly send control signal corresponding L to mouse interface circuit 36, after mouse interface circuit 36 is ready, data-switching control circuit 32 reads mouse data from mouse interface circuit 36 by data bus M, send first in first out control signal E simultaneously to USB USB (universal serial bus) controller 21A, send the mouse data that reads from mouse interface circuit 36 to USB USB (universal serial bus) controller 21A, or send microprocessor bus interface circuit 31 to by data bus D, after the mouse data transmission finishes, data-switching control circuit 32 sends the Data Transfer Done signal for microprocessor bus interface circuit 31 by control bus C, and relevant state and data sent to USB USB (universal serial bus) controller 21A or return microprocessor bus interface circuit 31 by data bus D by data bus F, microprocessor bus interface circuit 31 is immediately with interrupt mode notice microprocessor 23, and microprocessor 23 sends mouse data and the command execution signal that finishes to host computer by control USB USB (universal serial bus) controller 21A.
7, when the control command signal C that receives when data-switching control circuit 32 is the mouse control order, microprocessor bus interface circuit 31 can transmit the DMA length signals by traffic spike D simultaneously, the DMA enabling signal is given data-switching control circuit 32, after data-switching control circuit 32 is received the DMA enabling signal, promptly send control signal corresponding L to mouse interface circuit 36, after mouse interface circuit 36 is ready, data-switching control circuit 32 sends first in first out control signal E to USB USB (universal serial bus) controller 2A, and send the mouse control order of USB USB (universal serial bus) controller 21A to mouse interface circuit 36 via data-signal M again by traffic spike F, perhaps send relevant mouse control order to mouse interface circuit 36 via data-signal M from microprocessor bus interface circuit 31, mouse interface circuit 36 is mouse bus-type signal T with the mouse control command conversion that receives, and exports to mouse interface 80.After the mouse control command execution finishes, data-switching control circuit 32 sends the mouse control command execution signal that finishes for microprocessor bus interface circuit 31 by control bus C, and relevant state and data sent to USB USB (universal serial bus) controller 21 or return microprocessor bus interface circuit 31 by data bus D by data bus F, microprocessor bus interface circuit 31 is immediately with interrupt mode notice microprocessor 23, and microprocessor 23 sends finish signal and status signal of mouse control command execution to host computer by control USB USB (universal serial bus) controller 21A.
Referring to Fig. 4, the present invention is a kind of using method of sharing a host computer, comprises the steps:
(1) initialization beamhouse operation: on the operating system of host computer, load the multi-user management application program unit, between the upper strata of host computer operating system and underlying operating system, load the driver unit, and the solidification software unit is installed in the microprocessor of terminal; Terminal is connected host computer, display or televisor, sound equipment or loudspeaker, microphone, keyboard and mouse or touch-screen respectively;
(2) set up data exchange channel: this terminal is connected host computer by Ethernet interface and/or USB interface, set up data information exchange passage based on industry ethernet and/or usb bus;
(3) carry out transmission, conversion and the execution of data and command information: according to standard transmission between host computer and terminal, translation data and the fill order information of industry ethernet standard and/or usb bus standard.
Referring to Fig. 5, the using method that terminal of the present invention is shared a host computer is to be finished by the solidification software and/or bridge modules 30 common drivings that are installed in multi-user management application program, the driver in the host computer and be solidificated in the terminal microprocessor 23.The wherein solidification software in bridge modules 30 and/or the terminal microprocessor 23 and the underlying operating system interaction of host computer, driver is loaded between host computer upper strata operating system and the underlying operating system, this driver and host computer upper strata operating system and underlying operating system interaction, the multi-user management application program is loaded on the operating system of host computer upper strata, and with upper strata operating system and the interaction of user's desktop system.
The present invention is a kind of using method of sharing a host computer, comprise the information exchanging channel of setting up between host computer and the terminal, set up the view data between host computer and the terminal and the transfer approach of command information, the transfer approach of audio data and command information, the mode of user's input information, and the transfer approach of user's input information, the installation of final drive program, set up the information exchange method between host computer upper strata operating system and the final drive program, the installation of multi-user management application program, and set up information exchange method between host computer upper strata operating system and the multi-user management application program.Method of the present invention and terminal are applicable to the operating system of any support industry ethernet interface or usb bus interface.
The present invention is provided with in the terminal of sharing a host computer and realizes Ethernet interface standard feature or usb bus interface standard function, the transmission of control data information and exectorial solidification software and/or bridge modules.Wherein bridge modules is according to aforementioned principle of work work, and be arranged on solidification software in the terminal microprocessor, then according to the works of this solidification software, when the terminal of sharing a host computer is inserted host computer by Ethernet interface or usb bus interface, the driver of this solidification software and/or bridge modules matching computer main frame is finished the initialization of this terminal, and, carry out Ethernet interface standard or usb bus standard operation or carry out the operation of special instruction according to the requirement of driver in the host computer or upper strata operating system; To send bridge modules to from view data, audio data, keyboard commands, mouse command and other order of host computer, keyboard commands and data, mouse command and the data of self-curing software and/or bridge modules send host computer to by Ethernet interface or usb bus interface in the future simultaneously.
Wherein driver is installed on the host computer, according to its software flow work, when the terminal of sharing a host computer is inserted host computer by Ethernet interface or usb bus interface, cooperate solidification software and/or bridge modules to finish the initialization of terminal, and indication upper strata operating system produces an image displaying card device, a key board unit, a mouse apparatus and an acoustics, notify the multi-user management application program simultaneously, produce a desktop system independently by the multi-user management application program for this initiate terminal user, the device that simultaneously upper strata operating system is produced accords with distributes to this initiate user.This driver is packed audio data and order, view data and order that upper strata operating system sends according to industry ethernet standard or usb bus standard code form, be sent to solidification software and/or bridge modules execution by underlying operating system.Give upper strata operating system after the keyboard commands that this driver sends solidification software and/or bridge modules simultaneously and data, mouse command and data, the audio data-switching.Driver also to finish plug and play and with the coordinated manipulation of upper strata operating system, in case terminal is extracted from host computer, driver can notify upper strata operating system cancellation to distribute to all device symbols of this terminal immediately, notifies the multi-user management application program simultaneously.
Wherein the multi-user management application program is installed on the host computer, according to its software flow work.When the terminal of sharing a host computer is inserted host computer by Ethernet interface or usb bus interface, the device symbol that driver will be produced by the terminal of this new insertion host computer is notified to the multi-user management application program, the device symbol that the multi-user management application program will be produced by the terminal of new insertion host computer is distributed to initiate user, for this initiate user produces a desktop system independently, allow initiate user to log on operating system simultaneously with the different desktop system of independent user account number and/or same user account number.This initiate user operates and shared host computer by the keyboard, mouse, audio device, the display/televisor that link to each other with terminal.When a plurality of terminals respectively by Ethernet interface/or usb bus interface when inserting host computer, separate between all users, each user has independently keyboard, mouse, audio device and display/televisor, shares operating system, application software and the data resource of a host computer simultaneously.
Information transferring method between host computer of the present invention and the terminal, adopt the method for normalizing of industry ethernet standard or usb bus standard code, after the information package of tendency to develop being sent according to communication protocol respectively by the driver at industry ethernet interface or usb bus interface two ends and solidification software and/or bridge modules, send the other side again to.
When the present invention shared a host computer, the operation of its transmitted image data comprised the steps:
(1) host computer upper strata operating system is accepted the image display command of user's desktop system Desktop application program transmission of this terminal correspondence;
(2) host computer upper strata operating system is interpreted as a series of standard picture with image display command and drives order, and this order is sent to driver;
(3) standard picture is driven command conversion is the particular image display operation order that solidification software and/or bridge modules can be understood and carry out to driver, and sends the host computer underlying operating system to;
(4) the particular image display operation order after the host computer underlying operating system will be changed sends solidification software and/or bridge modules to through industry ethernet or usb bus channel control circuit;
(5) solidification software and/or bridge modules are carried out this operation, the order of particular image display operation is exported to image displaying card or image display chip Graphics Controller with output image, and result and state transmitted through upper strata operating system return to driver.
When the present invention shared a host computer, its operation that transmits voice data comprised the steps:
(1) host computer upper strata operating system is accepted the voice data and the order of user's desktop system application program transmission of this terminal correspondence;
(2) host computer upper strata operating system sends to described driver with voice data and order;
(3) driver is special audio data and the order that this terminal module bridge and/or solidification software can be understood and carry out with voice data and command conversion, and sends the underlying operating system of host computer to;
(4) special audio data after the host computer underlying operating system will be changed and order send solidification software and/or bridge modules to via industry ethernet and/or usb bus channel control circuit;
(5) solidification software and/or bridge modules are carried out this operation: special audio data and order are exported to Audio Controller, be used for the output sound effect, and result and state returned to described driver via operating system, carry out subsequent treatment by this driver.
When the present invention shared a host computer, its operation that transmits the microphone speech data of input comprised the steps:
(1) solidification software and/or bridge modules send the microphone speech data of user's input to the underlying operating system of host computer by industry ethernet and/or usb bus channel control circuit;
(2) underlying operating system of host computer sends the microphone speech data of user's input to driver;
(3) driver sends the microphone speech data of user's input to the upper strata operating system of host computer;
(4) the upper strata operating system of host computer sends the microphone speech data of user input user's desktop system application program of this terminal correspondence to, carries out subsequent treatment by this application program.
When the present invention shared a host computer, if the user gives the host computer input information by keyboard mode, its keyboard commands and data manipulation that transmits user's input comprised the steps:
(1) solidification software and/or the bridge modules underlying operating system that will send host computer to by industry ethernet or usb bus channel control circuit from the keyboard commands and the data of terminal input by the user;
(2) the host computer underlying operating system will send driver to by the order and the data of keyboard input;
(3) driver will send host computer upper strata operating system to by the order and the data of keyboard input;
(4) operating system user's desktop system application program that will send this terminal correspondence to by the order and the data of keyboard input in host computer upper strata is carried out subsequent treatment by this application program.
When the present invention shared a host computer, if the user gives the host computer input information by the mouse mode, its mouse command and data manipulation that transmits input comprised the steps:
(1) solidification software and/or the bridge modules underlying operating system that will send host computer to by industry ethernet or usb bus channel control circuit from the data and the order of the mouse of terminal input by the user;
(2) underlying operating system of host computer will send driver to by order and the data that the mouse of terminal is imported;
(3) the driver upper strata operating system that will send host computer to by the order and the data of the mouse of terminal input;
(4) the upper strata operating system of host computer user's desktop system application program that will send this terminal correspondence to by the order and the data of the mouse of terminal input is carried out subsequent treatment by this application program.
When the present invention shared a host computer, if the user gives the host computer input information by touch-screen Touch Screen mode, its touch-screen order and data manipulation that transmits user's input comprised the steps:
(1) solidification software and/or the bridge modules underlying operating system that will send host computer to by industry ethernet or usb bus channel control circuit from the data and the order of the touch-screen of terminal input by the user;
(2) underlying operating system of host computer will send driver to by order and the data that the touch-screen of terminal is imported;
(3) the driver upper strata operating system that will send host computer to by the order and the data of touch-screen input;
(4) the upper strata operating system of host computer user's desktop system application program that will send this terminal correspondence to by the order and the data of touch-screen input is carried out subsequent treatment by this application program.
Referring to Fig. 6, introduce the process flow diagram of solidification software of the present invention.When the terminal of the shared host computer of the present invention is inserted into host computer by Ethernet interface or USB interface, its microprocessor 23 begins to carry out the solidification software that is solidificated in this microprocessor 23 immediately: at first carry out initialization, promptly enter waiting status after initialization finishes, wait for order and data that the host computer underlying operating system sends.When this terminal get electric after, host computer upper strata operating system can be inquired about ethernet controller 21B or USB USB (universal serial bus) controller 21A, ethernet controller or USB USB (universal serial bus) controller can produce and interrupt giving microprocessor 23 this moment, microprocessor 23 is got in touch by operating ethernet controller or USB USB (universal serial bus) controller and host computer upper strata operating system then, host computer upper strata operating system sends corresponding initialization directive according to the ethernet controller of this terminal or USB USB (universal serial bus) controller and microprocessor institute's feedack to ethernet controller or USB USB (universal serial bus) controller and microprocessor, for next step exchange of preparing normal data ready.
Referring to Fig. 7, introduce the process flow diagram of driver of the present invention.When the terminal of each shared host computer is inserted host computer by Ethernet interface and/or USB interface, host computer upper strata operating system can detect the insertion of this terminal automatically by Ethernet interface or USB interface, and this moment, upper strata operating system will activate driver immediately.After driver is activated, promptly carry out initialization operation, cooperate solidification software and/or bridge modules to finish the initialization of this terminal simultaneously, and indication upper strata operating system produce an image displaying card device, a key board unit, a mouse apparatus and an acoustics.After upper strata operating system is received this instruction, be this terminal generation and distribute the corresponding device thereof symbol, upper strata operating system activates the multi-user management application program simultaneously, and with the related device symbol notice multi-user management application program of being distributed.In the aforesaid operations process, solidification software and/or bridge modules can receive and handle the operation requests from upper strata operating system and driver.After driver is finished the insertion processing, promptly enter the waiting status of waiting for operation requests.
Referring to Fig. 8, introduce the process flow diagram of multi-user management application program of the present invention.When the terminal of each shared host computer is inserted host computer by Ethernet interface or USB interface, upper strata operating system is inserted terminal generation and distribution corresponding device thereof symbol for this after, activate this multi-user management application program immediately.After the multi-user management application program is activated, promptly carry out initialization operation, simultaneously with initiate user notification upper strata operating system, and the device symbol that will be produced by the terminal of this new insertion host computer is distributed to initiate user, afterwards for initiate user produces a desktop system independently, allow this initiate user to log on operating system with the different desktop systems of account number and/or same user account number independently.This initiate user comes the operating computer main frame by keyboard, mouse, audio device, the display/televisor that links to each other with this terminal.After the multi-user management application program is finished the insertion processing, promptly enter the waiting status of waiting for operation requests.When a plurality of terminals are inserted host computer by Ethernet interface or USB interface respectively, separate between all computer users, there are independently keyboard, mouse, audio device, display/televisor in each computer user, shares operating system, application software and the data resource of a host computer simultaneously.
When the user the terminal of sharing a host computer when the Ethernet interface of host computer or USB interface are extracted, solidification software and/or bridge modules stop to carry out immediately, and host computer upper strata operating system then can detect this terminal automatically and extract from host computer; At this moment, upper strata operating system can be immediately this event notice driver, after driver is received this notice, carries out relevant the processing immediately, and indication upper strata operating system is eliminated and corresponding each device of this terminal and device symbol; After upper strata operating system is received instruction, immediately this event notice multi-user management application program; After the multi-user management application program received this instruction, execution immediately is relevant to be handled, and preserved and the corresponding user data of this terminal, and indicated upper strata operating system that this is installed corresponding user account number and withdraw from processing; After upper strata operating system is received instruction, will withdraw from processing with the corresponding user account number of this terminal immediately, afterwards, corresponding each device of operating system immediate cancel and this terminal and device symbol.
Fig. 9 is the terminal of the shared host computer of the present invention is connected to host computer by a USB interface the first embodiment synoptic diagram.The USB interface-based terminal 100 of sharing a host computer links to each other with the USB port 210 of host computer 200 by USB USB (universal serial bus) 10, with the information between realization and the host computer 200 and the exchange of data; Link to each other with a display 500 by display interface device 50, with displays image information; Link to each other with loudspeaker and/or microphone 600 by Audio Controller (CODEC) 70, with the I/O audio frequency effect; Link to each other with keyboard 300 by keyboard interface 90, to accept the keyboard commands and the data of user's input; Link to each other with mouse 400 by mouse interface 80, to accept the mouse command and the data of user's input.
The pattern of display 500 shown in Figure 9 is not limit, and can be VGA display, LCD display or televisor, is to be explanation with the VGA display in the present embodiment.The pattern of keyboard 300 is not limit, and can be PS2 type keyboard or USB type keyboard, is to be explanation with PS2 type keyboard in the present embodiment.The pattern of mouse 400 is not limit, and can be PS2 type mouse or USB type mouse, is to be explanation with PS2 type mouse in the present embodiment.The pattern of loudspeaker and/or microphone 600 is not limit, and can be microphone or sound equipment, is to be that input, loudspeaker are the output explanation with the microphone in the present embodiment.
Figure 10 is the terminal of the shared host computer of the present invention is connected to host computer by a USB interface the second embodiment synoptic diagram.Figure 11 has increased a USB extension apparatus (USB Extender) 700 on the basis of embodiment synoptic diagram shown in Figure 10, the terminal 100 that can make the present invention share a host computer like this is installed in the place distant apart from host computer.The purpose of this USB extension apparatus is the length that prolongs USB cable, and its pattern is not limit, and USB extension apparatus 700 does not belong to protection content of the present invention.
Figure 11 is the terminal of the shared host computer of the present invention is connected to host computer by a USB interface the 3rd an embodiment synoptic diagram.Terminal 100 control circuits are integrated on the display control panel in the display 500.The USB USB (universal serial bus) 10 of terminal 100 links to each other with the USB port 210 of host computer 200, with the information between realization and the host computer 200 and the exchange of data; Link to each other with display pannel input by display interface device 50, with displays image information in display 500; Link to each other with loudspeaker 600 by Audio Controller (CODEC) 70, with the output audio; Link to each other with touch-screen 800 by touch screen interface 90, to accept the order and the data of touch-screen input.
Figure 12 is four terminals sharing a host computer of the present invention are inserted host computer respectively simultaneously by USB interface the 4th an embodiment synoptic diagram.Computer user 1 shares the USB interface 210 that the terminal of a host computer is connected to host computer by the present invention is based on USB interface, computer user 2 is connected to the USB interface 220 of host computer by the terminal based on the shared host computer of USB interface of the present invention, computer user 3 shares the USB interface 230 that the terminal of a host computer is connected to host computer by the present invention is based on USB interface, computer user 4 shares the USB interface 240 that the terminal of a host computer is connected to host computer by the present invention is based on USB interface, 5 keyboard and mouses that use host computer itself to be connected of computer user.Based on this configuration, five computer users can use a host computer simultaneously, and each computer user has fully independently account and user's desktop system.Like this, five computer users need only buy a cover corresponding upper strata operating system and an application software, terminal of the application of the invention and method can be shared operating system, application software and system resource in the host computer simultaneously, save the cost and the hardware of software to the utmost.
Claims (7)
1, a kind of terminal of sharing a host computer, include on the control circuit of this terminal: microprocessor, ethernet controller that is connected with this microprocessor or general-purpose serial bus USB interface controller, the Ethernet interface or the USB interface that are connected with ethernet controller or usb interface controller, and direct supply; It is characterized in that: also include on the control circuit of described terminal:
Bridge modules, connect described microprocessor and described ethernet controller or usb interface controller respectively, as the execution of data conversion treatment between terminal and the host computer and control command be used for transmitting data and fill order according to industry ethernet interface standard or usb bus interface standard; The image displaying card Video Card that is connected with this bridge modules or image display chip 2D/3D Graphics accelerator, Audio Controller Audio Controller, mouse interface and keyboard interface respectively, described image displaying card or image display chip are connected display or televisor interface and audio interface respectively with Audio Controller; Wherein display or televisor interface are used to connect display or televisor, and audio interface is used to connect loudspeaker and/or microphone, and mouse interface is respectively applied for keyboard interface and is connected mouse and keyboard;
Be arranged on the solidification software unit in the described microprocessor, be used for transmitting data and fill order, and between this terminal and host computer, transmit peculiar order of this terminal and data message according to industry ethernet interface standard or usb bus interface standard.
2, the terminal of sharing a host computer according to claim 1, it is characterized in that: described bridge modules includes: as the data-switching control circuit of data processing and control center, and respectively with this data-switching control circuit microprocessor linked bus interface circuit, display interface circuit, keyboard interface circuit, mouse interface circuit and audio interface circuit.
3, the terminal of sharing a host computer according to claim 2 is characterized in that: described bridge modules is to adopt field programmable logic array (FPLA) fpga chip or application-specific integrated circuit ASIC chip and peripheral component thereof to realize.
4, the terminal of sharing a host computer according to claim 1 and 2, it is characterized in that: the bridge modules in the described terminal control circuit, be integrated in a slice application-specific integrated circuit ASIC chip, be aided with peripheral component and realize its function with ethernet controller or usb interface controller and microprocessor.
5, the terminal of sharing a host computer according to claim 1, it is characterized in that: microprocessor, bridge modules, ethernet controller or usb interface controller, Ethernet interface or the USB interface in the described terminal control circuit, image displaying card or image display chip, display interface device, Audio Controller, audio interface, mouse interface and keyboard interface are all concentrated in the control circuit that is arranged in the display.
6, share the terminal of a host computer according to claim 1 or 5, it is characterized in that: described mouse interface and keyboard interface can substitute with touch-screen Touch Screen interface.
7, share the terminal of a host computer according to claim 1 or 5, it is characterized in that: described image displaying card is local bus PCI type image displaying card or quickens image processing AGP type image displaying card or third generation I/O Bus PC I EXPRESS type image displaying card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100088526A CN100361101C (en) | 2005-02-24 | 2005-02-24 | Shared terminal, host computer and use thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100088526A CN100361101C (en) | 2005-02-24 | 2005-02-24 | Shared terminal, host computer and use thereof |
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| CN1645344A CN1645344A (en) | 2005-07-27 |
| CN100361101C true CN100361101C (en) | 2008-01-09 |
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| CN101616043B (en) * | 2008-06-23 | 2012-08-22 | 同济大学 | Computer system and computer cluster of multi-user shared host computer |
| TWI400648B (en) | 2009-02-24 | 2013-07-01 | Mstar Semiconductor Inc | Display device, a controlling method thereof, and a display system having the same |
| CN101820511B (en) * | 2009-02-26 | 2015-12-16 | 晨星软件研发(深圳)有限公司 | Display unit and control method thereof and its display system |
| CN101893991A (en) * | 2010-07-08 | 2010-11-24 | 上海唯道网络信息技术有限公司 | Multi-screen interactive self-service system and method |
| CN102200903A (en) * | 2011-06-16 | 2011-09-28 | 南京Lg新港显示有限公司 | Method for configuring displays for computer |
| CN103777993A (en) * | 2012-10-19 | 2014-05-07 | 泰发科技股份有限公司 | Multiuser computer system |
| CN103914421B (en) * | 2013-01-07 | 2017-04-26 | 华为终端有限公司 | Data terminal, data transmission system and hot-swap control method |
| CN103973534A (en) * | 2014-05-28 | 2014-08-06 | 广州视源电子科技股份有限公司 | Method and device for simulating sharing of USB flash disk |
| CN104035900A (en) * | 2014-06-03 | 2014-09-10 | 上海卓悠网络科技有限公司 | Method and device for sharing input device of PC (personal computer) with Android device |
| CN110618843A (en) * | 2018-06-20 | 2019-12-27 | 成都香巴拉科技有限责任公司 | Single-computer host multi-user desktop virtualization system |
| CN110502201A (en) * | 2019-08-06 | 2019-11-26 | 杭州安芯科技有限公司 | The system and method that a kind of electronic equipment extension set uses |
| CN115292231B (en) * | 2022-10-09 | 2023-03-28 | 荣耀终端有限公司 | Equipment port switching method and device |
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Assignee: Computer extension technology Ltd Assignor: Li Chunyao|Li Chunbai|Zhao Fang Contract fulfillment period: 2008.10.28 to 2025.3.28 contract change Contract record no.: 2009990001057 Denomination of invention: Shared terminal, host computer and use thereof Granted publication date: 20080109 License type: General permission Record date: 2009.9.24 |
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