CN1632774A - Identification method for USB interface equipment - Google Patents
Identification method for USB interface equipment Download PDFInfo
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- CN1632774A CN1632774A CN 200410024129 CN200410024129A CN1632774A CN 1632774 A CN1632774 A CN 1632774A CN 200410024129 CN200410024129 CN 200410024129 CN 200410024129 A CN200410024129 A CN 200410024129A CN 1632774 A CN1632774 A CN 1632774A
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Abstract
This invention relates to information or other signal commission between BIOS device and central processor, in detail to a USB interface device identification method. The computer is set with identification elements and device control module, USB interface device ID set module, USB device driving program and related information form. The computer uses the relation between USB interface devices, USB interface and device control module and the method to timely get the control information of the USB interface device to realize the dynamic identification of the device.
Description
Technical field
The present invention relates to the method that a kind of information or other signal interconnect or transmit between input-output apparatus or CPU (central processing unit), specifically, relate to a kind of recognition methods of USB interface equipment.
Background technology
Along with popularizing and the widespread use of Windows system platform of the computing machine of a large amount of support USB interface technology, the use of USB interface is more and more universal now.On the market of computer peripheral, equipment such as the printer of use USB interface, digital camera, scanner, hard disk are more and more.To be main frame be connected with data transfer between devices speed height, good reliability, hot-swappable and interface flexibly big advantage of using USB interface.
Aspect the operating system platform support, except that Windows NT, the Windows system platform comprises Windows 98, and Windows 2000, and Windows XP etc. provides the support to USB interface.Along with increasing of USB interface computer peripheral, require computing machine also high more to the tenability of USB interface.Now the computing machine of releasing is general supports 2 USB interface, many reaches 8 USB interface.Increasing user proposes to use the demand of the USB interface equipment of many same types under the Windows system platform.With the USB interface printer is example, need articulate two USB interface printers work of same model at same computing machine simultaneously in occasions such as postal service, the telecommunication business Rooms, user inquiring information that is used to print the foreground wherein, another prints the data statistics information on backstage; Be example with the USB interface printer equally, because usually printer provider has only considered that when consumer products is provided a system platform only articulates the situation of a printer, when the user need articulate same model USB interface printer that many same printer manufacturer provide and uses under the Windows system platform, following problem can appear:
1. do not support two identical USB interface printers of model.Some printer manufacturer just spells out when design and do not support two identical USB interface printers of model under a Windows system platform.This situation not only makes computer resource be not fully utilized, and does not satisfy user's application demand.
2. many identical USB interface printers of model that provide support, but reliability is relatively poor, can't discern reliably and distinguish.Such as, two identical USB interface printers of model have been installed on two USB interface of system, and respectively corresponding two printed drivers, but when after with two printer exchanges, printed driver can't be when installing the printer of appointment corresponding, print result will output on another printer, and user or application program can't pick out this situation generation in use.
3. printer manufacturer generally will be produced multiple different model USB interface printer, and wherein each model printer all is provided by a supporting printed driver, daemon and the USB device driver of providing.If, then safeguard quite inconvenience for every kind of printer all is equipped with different daemon and the USB device drivers of a cover.
In sum, under the Windows system platform, do not have complete reliable implementation method to discern and distinguish the USB interface equipment of many same types at present, user's application demand is not being met.
Summary of the invention
When purpose of the present invention has solved many same types that exist in background technology USB interface equipment articulates under the Windows system platform simultaneously, can't reliably working, many technical matterss of working service inconvenience.
Technical scheme recognition methods of the present invention is such: it comprises computing machine, USB interface equipment.Computer installation has recognizer component and device control module, USB interface device id configuration module, USB device driver, related information table, computing machine reaches the Dynamic Recognition of the method realization of the control information of dynamically obtaining USB interface equipment to USB interface equipment by the one-to-one relationship of USB interface equipment, USB interface and device control module.
Recognition methods comprises the following steps:
1.USB interfacing equipment ID configuration module is configured the USB interface device id by the storage unit of read-write USB interface equipment, and sets up and safeguard a related information table in computing machine;
2. after USB interface equipment being inserted computing machine, the USB device driver writes the related information table with information such as device ids;
3. the recognizer component in the computing machine obtains the phase related control information of current appointment USB interface equipment according to information in the related information table;
4. computing machine calls the corresponding apparatus control module according to the device control message that recognizer component obtains;
5. device control module is set up communication with corresponding USB interface equipment and is connected according to device control message in the computing machine, and the information such as data that computing machine is sent send to corresponding USB interface equipment, or receives the information such as data that USB interface equipment returns.
Above-mentioned steps 1) specifically comprise: the user is by USB interface device id configuration module or installation procedure, and the storage unit of read-write USB interface equipment is configured device id.Relevant informations such as device id are stored in the prerequisite read-write storage unit of this USB interface equipment.The user can set up and safeguard a related information table by mounting equipment driving program.Dynamically the obtaining of the foundation of this information table and access device information guaranteed other application program in the computing machine and the close association of USB interface equipment.When setting up information table, make for avoiding the user to obscure having set up unified naming rule that device control module title and USB interface device name are consistent in the application program.
Above-mentioned steps 1) collocation method in and above-mentioned steps 2) in the related information table, be that many USB interface equipment coexist under a Windows system platform and supply the precondition of carrying out reliable recognition and differentiation with program.
Above-mentioned steps 3) specifically comprise: during this equipment access system, the USB device driver will write above-mentioned related information table with the information such as device id relevant with this access and discern USB interface equipment reliably to finish.The USB device driver all obtains device id information and according to the difference of device id when the each connecting system of USB interface equipment, the control information of registration relevant device.
Above-mentioned steps 4) specifically comprise: the recognizer component that is provided with in the computing machine obtains related information table information, by the corresponding relation of device control module and USB interface equipment, obtains the phase related control information of the USB interface equipment of the current appointment of application program;
In step 3) when occur inserting the situation of many USB interface equipment of the same type, the implementation method of the shared USB device driver of USB interface equipment by same type, guaranteed that the USB device driver can distribute different device control messages respectively for them according to the difference of device id, and the device control message that distributes has nothing to do with the physical interface of computer system, thereby realized the reliable recognition and the differentiation of the USB interface equipment of many same types by correspondence one by one.
The corresponding one by one and unified name of the title of USB interface equipment, USB interface and device control module can be discerned and distinguish the user easily.
The layoutprocedure of the step 1 of recognition methods comprises static configuration and dynamic-configuration.
Static configuration is to use independently configuration tool to the USB interface device id, and recognition of devices assembly and device control module are configured respectively; Dynamic-configuration has then been simplified layoutprocedure, once finishes the USB interface device id by installation procedure before using USB interface equipment, the configuration of recognition of devices assembly and device control module, and after configuration, directly use.
Static configuration may further comprise the steps:
1) connects a USB interface equipment to computing machine;
2) the USB interface device driver is installed;
3) computing machine carries out the ID setting to USB interface equipment;
4) USB interface equipment disconnect is connected, and to use label or additive method to identify current USB interface equipment be corresponding id number;
5) the operation installation procedure carries out the configuration of recognition of devices assembly and device control module in the computing machine.
Dynamic-configuration may further comprise the steps:
1) connects a USB interface equipment to computing machine;
2) corresponding USB interface device driver is installed;
3) move installation procedure in the computing machine, carry out the configuration of recognition of devices assembly and device control module, realize that simultaneously device id is provided with function and promptly the USB interface equipment of current connection is carried out the ID configuration.
Use USB interface device identification method of the present invention can discern and use a plurality of identical or different USB interface equipment exactly.
The present invention has the following advantages:
1. use the recognition methods of USB interface equipment provided by the invention, satisfied the user uses the USB interface equipment of many same types under the Windows system platform demand.The reliability that has really solved the feasibility of the USB interface equipment that uses many same types under the Windows system platform and guaranteed to use.
2. by the recognition methods of USB interface equipment of the present invention, guaranteed the corresponding one by one of USB interface device driver and USB interface equipment, in operation with all very convenient when using.When for example inserting many USB interface printers, no matter how printer switches the USB physical interface, can both guarantee that institute's print What can reliably correctly output on the specified printer.
3. use the recognition methods of USB interface equipment provided by the invention, reduced USB interface equipment development and maintenance cost.For example, greatly facilitate developer's maintenance work and user's use and driver upgrade because all types USB interface printer that same manufacturer is produced only provides a cover USB port supervisor and a USB device driver.
Description of drawings
Fig. 1 discerns and distinguishes the synoptic diagram of the implementation method principle of many USB interface equipment for the present invention
Fig. 2 discerns and disposes the principle schematic of many USB interface printers for the present invention;
Fig. 3 is that printer driver of the present invention, printer interface and printer concern synoptic diagram one to one;
Fig. 4 realizes the process flow diagram of USB device Dynamic Recognition for the present invention;
Fig. 5 is the process flow diagram of present device ID configuration;
Fig. 6 is the process flow diagram of installation of the present invention, configure printer driver, printer interface;
Fig. 7 is the process flow diagram of present device ID dynamic-configuration.
Embodiment
Embodiment 1:
For describing the present invention in detail, following content is that example describes with the USB interface printer.Referring to Fig. 2, function that each module realizes respectively in the recognition methods and mutual relationship have been comprised in this schematic diagram.Realized by following two steps: wherein installation procedure, configuration tool mainly realize the device id configuration feature; Installation procedure is installed printed driver, simultaneously information such as driver use interface is configured, and makes between application software (driver), the USB interface of using and the USB interface equipment corresponding one by one.Because a byte of read-write storage unit can be stored 255 device id information at most, therefore based on the size of read-write storage unit, above-mentioned recognition methods is applicable to many USB interface printers.USB device driver, USB port supervisor mainly realize the recognition of devices function among Fig. 2.To describe the step of recognition methods below in detail.
The steps flow chart of recognition methods is as follows:
For convenience of description, use with 2 same model printers and be example: 2 printer default configuration ID are 1.
1) by configuration software or install driver 1 printer wherein is configured, it is 2 that this printer ID is set, and another printer ID keeps being defaulted as 1.
2), use interface to be configured, to install to printer driver, printer by installation procedure.
Install and use respectively and be numbered usb 1, the printed driver of USB interface 2: printer driver 1, printer driver 2.If use more printer, and the like.
At this moment: printer driver 1 and usb 1, printer 1 are related; Printer driver 2 and USB interface
2, printer 2 associations.Promptly realize the corresponding one by one of equipment and application software (driver).As shown in Figure 3.
3) when connecting wherein any printer to computing machine, as printer 1, USB device drives the id information that acquires this printer apparatus from the equipment that connects, generate the information that is used for device control accordingly then, and in system the registration this information, printer 1 is associated with usb 1, thereby realizes this equipment and the relation one to one of specifying USB interface and printed driver.The printer that connects other same model different I D is registered the relevant device control information with the interface that correspondence matches.
4) connect two or more during polyisomerism number (distinct device ID) printer simultaneously when system, when supposing that computing machine uses printer 1 to carry out the document printing, computing machine calls printer driver 1 and generates print job, when printed driver is installed with printer driver 1 related usb 1, thereby printing server sends to usb 1 with the operation that printer driver 1 generates.As step 1 among Fig. 4.
5) the USB port supervisor sends to printer 1 according to the device control message of registration in the above-mentioned steps 3 with operation, and can not send to printer 2.As step 2 among Fig. 4.
The collocation method of mentioning in the step 1) in above-mentioned recognition methods is as described below, and it is a static configuration, is example to dispose 2 above printers, and its steps flow chart is as follows:
1) configuration device ID: as Fig. 5
1: connect a printer to computing machine, default printer ID1;
2: the USB device driver is installed.When inserting the USB printer, system starts USB device drive installation guide automatically, and the installation of finishing the USB device driving according to guide gets final product; (only needing to install once)
3: computing machine prints machine ID configuration to printer, notes please selecting different id numbers for the difference printer.Disconnect to connect, and use label or additive method to identify current printer to be the corresponding ID number;
4: repeating step 1-3 is configured all printers.
2) installation, configure printer driver, printing interface: as Fig. 6
1: operation printer driver installation procedure;
2: the printer parameter setting of being correlated with, choosing when printing interface is set with USB is the interface name of prefix, it is by name that interface is set during for printer 1 install driver: USB_ printer name _ 1, finish printer driver 1 is installed;
3: repeating step 1-2, be that printer 2 installs printed drivers, interface wherein is set is: USB_ printer name _ 2, installation printer driver 2.Can continue to install the driver of more printers according to this method.
At this moment, finished printer driver, printer interface, disposed, realized concerning one to one between the three with the installation of printer.
Realize installation process and layoutprocedure unification as this collocation method of Fig. 7, in installation process, realized the printer ID configuration feature simultaneously.Can choose arbitrary printer and use this method to print machine driving, printer interface, dispose, realize concerning one to one between the three with the installation of printer.
Embodiment 2:
The difference of present embodiment and embodiment 1 is that what it adopted is dynamic-configuration in configuration step, the steps flow chart of dynamic-configuration is as described below:
1: connect a printer to computing machine;
2: the USB device driver is installed.When inserting the USB printer, system starts USB device drive installation guide automatically, and the installation of finishing the USB device driving according to guide gets final product; (only needing to install once)
3: operation printer driver installation procedure;
4: the printer parameter setting of being correlated with, choose when printing interface is set with USB is the interface name of prefix, the default setting interface was by name when first printer was installed: USB_ printer name _ 1, if next is installed, it is different with USB_ printer name _ 1 that interface need be set, as being set to USB_ printer name _ 2.
5: in the installation process, the computer realization device id is provided with function, and promptly the printer to current connection carries out the ID configuration.The printer ID that interface USB_ printer name by name _ 1 is set is 1, and the printer ID that interface USB_ printer name by name _ 2 are set is 2, and the like;
6: after accomplishing the setting up continue to finish the installation of relevant printer driver.Disconnect then and connecting.As using interface USB_ printer name by name _ 1 in the step 4, then the printer driver of current installation is: printer driver 1, and as using interface USB_ printer name by name _ 2, then the printer driver of current installation is: printer driver 2, and the like;
7: as using interface USB_ printer name by name _ 1 in the step 4, then identifying this printer is printer 1.Repeating step 1-6, the printer, printer interface and the driver that install, configuration need.
Specific embodiments of the invention have been announced its preferred implementation, but are not limited to this kind embodiment.Those of ordinary skill in the art understands spirit of the present invention very easily according to the foregoing description, and makes different amplifications and variation.But only otherwise break away from spirit of the present invention, all in this patent protection domain.
Claims (6)
1, a kind of recognition methods of USB interface equipment, it comprises computing machine, USB interface equipment, it is characterized in that:
Computer installation has recognizer component and device control module, USB interface device id configuration module, USB device driver, related information table, computing machine reaches the Dynamic Recognition of the method realization of the control information of dynamically obtaining USB interface equipment to USB interface equipment by the one-to-one relationship of USB interface equipment, USB interface and device control module.
2, the recognition methods of USB interface equipment according to claim 1, it is characterized in that: recognition methods comprises the following steps:
1) USB interface device id configuration module is configured the USB interface device id by the storage unit of read-write USB interface equipment, and sets up and safeguard a related information table in computing machine;
2) behind the USB interface equipment access computing machine, the USB device driver writes the related information table with information such as device ids;
3) recognizer component in the computing machine obtains the phase related control information of current appointment USB interface equipment according to information in the related information table;
4) computing machine calls the corresponding apparatus control module according to the device control message that recognizer component obtains;
5) device control module is set up communication with corresponding USB interface equipment and is connected according to device control message in the computing machine, and the information such as data that computing machine is sent send to corresponding USB interface equipment, or receives the information such as data that USB interface equipment returns.
3, the recognition methods of USB interface equipment according to claim 1 is characterized in that: for setting up one-to-one relationship the title unification of USB interface equipment, USB interface and device control module is named.
4, the recognition methods of USB interface equipment according to claim 2 is characterized in that: the layoutprocedure of step 1 comprises static configuration and dynamic-configuration.
5, the recognition methods of USB interface equipment according to claim 4 is characterized in that: the layoutprocedure of static configuration may further comprise the steps:
1) connects a USB interface equipment to computing machine;
2) corresponding USB interface device driver is installed;
3) computing machine carries out the ID configuration to USB interface equipment;
4) the operation installation procedure carries out the configuration of recognition of devices assembly and device control module in the computing machine.
6, the recognition methods of USB interface equipment according to claim 4 is characterized in that: the layoutprocedure of dynamic-configuration may further comprise the steps:
1) connects a USB interface equipment to computing machine;
2) corresponding USB interface device driver is installed;
3) move installation procedure in the computing machine, carry out the configuration of recognition of devices assembly and device control module, the USB interface equipment to current connection carries out the ID configuration simultaneously.
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| CNB2004100241292A CN100468381C (en) | 2004-04-30 | 2004-05-18 | Identification method for USB interface equipment |
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| CN100468381C (en) | 2009-03-11 |
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