CN1851679A

CN1851679A - USB device automatic initialization method and device

Info

Publication number: CN1851679A
Application number: CNA2006100832094A
Authority: CN
Inventors: 陆舟; 于华章
Original assignee: Beijing Feitian Technologies Co Ltd
Current assignee: Feitian Technologies Co Ltd
Priority date: 2006-05-30
Filing date: 2006-05-30
Publication date: 2006-10-25
Anticipated expiration: 2026-05-30
Also published as: CN100386751C

Abstract

The invention discloses a method and a device for automatically initializing a USB device, in particular to a method and a device for initializing a USB device. The monitoring device in the initialization device automatically judges the insertion and removal of the USB device in the USB port of the initialization device. When it is inserted, the initialization device automatically initializes the USB device. When it is removed, it automatically performs cleaning operations if necessary, and waits for the next one. The insertion of the USB device, otherwise directly wait for the insertion of the next USB device. Since the present invention does not require manual intervention and does not need to be equipped with hardware required for manual intervention, time is saved, costs are reduced, and the possibility of errors is reduced. In addition, multi-threading technology can also be used to initialize multiple USB devices at the same time, which greatly improves work efficiency.

Description

A kind of method of USB device auto-initiation and device

Technical field

The present invention relates to a kind ofly USB device be carried out initialized method and device, specifically a kind of method and apparatus that USB device is carried out auto-initiation.

Background technology

USB is the abbreviation of English Universal Serial Bus, and Chinese implication is " USB (universal serial bus) ", and it is a kind of interfacing that is applied in computer realm.In recent years, along with popularizing of the computing machine of a large amount of support USB interface, the USB technology has entered into the practical stage, use the equipment of USB interface also to grow with each passing day, for example digital camera, scanner, joystick, keyboard, mouse, printer, memory device, vision facilities etc., product---the USB token that also has USB technology and smart card techniques to combine in addition.

These USB device are being dispatched from the factory or before sales all will pass through certain initialization, write certain data and information, and operating system can be discerned, and its software kit can be operated them.Initialization operation comprises creates required data structure, the file storage structure of software, makes up hardware information, as model, sequence number, the information of dispatching from the factory, and the management software etc. of downloading self hardware inside.

Existing initial method generally all is to write specific initializers, reception click or keyboard knock under the situation of computing machine USB mouth insertion USB device, there is certain external event to take place, software begins to carry out the initialization flow process then, pull out USB device then, repeat above operation.Such initial method is not long at initialization flow process spended time, the quantity of initialization USB device is too not big, task is to satisfy the demand when not being too urgent, but when wanting initialized USB device a lot of, just be difficult to reach gratifying effect, its work efficiency is low, time, human and material resources, financial resources all are a kind of wastes, do not make full use of the resource of computing machine.

Summary of the invention

Complex operation, long, the ineffective problem of spended time in order to solve in the prior art to the USB device initialization, the invention provides a kind of method and apparatus of USB device auto-initiation, it can replace manual method automatically USB device to be carried out initialization process, simple to operate, high efficiency.

The method of USB device auto-initiation of the present invention, its implementation is: judge that automatically USB device in the insertion of the USB of initialization apparatus mouth with pull out, carries out initialization automatically when inserting, wait for the insertion of next USB device pulling out the back.

Described method realizes by following steps:

Steps A: start;

Step B: the monitoring USB device is in the insertion of USB mouth;

Step C: when monitoring the USB device insertion, carry out the initialization flow process;

Step D: pulling out of monitoring USB device, after USB device is pulled out, carry out step B.

Described method realizes by following steps:

Steps A: start;

Steps A 1: detect on the USB mouth whether be connected with USB device;

Steps A 2:, carry out the initialization flow process if be connected with USB device on the USB mouth; If do not connect USB device on the USB mouth, carry out step B;

Steps A 3: pulling out of monitoring USB device, after USB device is pulled out, carry out step B;

Step B: the monitoring USB device is in the insertion of USB mouth;

Described monitoring USB device is inserted and is extracted by the PC/SC interface and realize.

Described monitoring USB device is inserted and equipment control (Device Management) interface and the message mechanism that provide by Windows operating system is provided is realized.

Described monitoring USB device is inserted and is extracted by calling and the privately owned interface that provides is provided realizes.

The device of USB device auto-initiation of the present invention comprises supervising device and apparatus for initializing, and whether described supervising device is used to monitor has USB device to insert and pull out on the USB mouth; Described apparatus for initializing is used for the USB device initialization.

The device of USB device auto-initiation of the present invention also comprises pick-up unit, is used to detect the current USB device that whether is connected with on the USB mouth.

The beneficial effect that the present invention produces is:

1, saved the time: judge automatically and carry out initialization operation by software, can't help and manually to control, reduced the possibility of makeing mistakes.Owing to saved the manual intervention time, so upward saved much the time than the method for prior art.

2, saved resource: because most of computing machine is supported a plurality of USB mouths, so can being set, multithreading carries out initial work, monitor the plug incident of USB mouth as much as possible, can a plurality of USB device of parallel initialization, reduce the quantity of initialization personnel and initialization apparatus comparatively speaking, and made full use of computer resource.

3, reduced cost: owing to do not need manual intervention, therefore can not be equipped with the needed instrument of manual intervention, as mouse, keyboard etc. have reduced cost.In addition, the equipment that initialization is used both can be ordinary PC, also can be the special equipment of making that only has function of initializing, had so just further reduced cost.

Description of drawings

The present invention is further described below in conjunction with drawings and Examples.

Fig. 1 is the structural representation of the device of USB device auto-initiation of the present invention;

Fig. 2 is the process flow diagram of the method for USB device auto-initiation of the present invention.

Embodiment

The invention will be further described below in conjunction with the drawings and specific embodiments, but not as the present invention is limited.

The present invention is suitable for all equipment that use USB interface, for example mouse, keyboard, digital camera, USBKey etc., USB device is inserted the USB mouth, initialization apparatus detects the insertion of USB device, USB device is carried out initialization operation automatically, finish and wait for pulling out of USB device after the initialization, pull out the insertion that initialization apparatus behind the USB continues the next USB device of monitoring.

Specify with the example that is initialized as below USB Key:

USB Key (USB lock), also be USB Token (USB token), it is the form that key or cryptographic hardware (as IC-card and various crypto chip) is packaged into the USB joint, by inserting USB interface of computer, use USB communications protocol and computing machine to carry out communication, reach data interaction and computation purpose.USB Key must pass through initialization, and by software on computers is installed, reaches the purpose of data and software protection and personal identification.

Embodiment one:

Set up the initialization apparatus of being made up of pick-up unit 101, supervising device 102 and apparatus for initializing 103 shown in Figure 1, initialization apparatus is provided with the USB mouth, its method that USB device is carried out auto-initiation as shown in Figure 2:

Step 201: start initialization apparatus;

Step 202: pick-up unit 101 detects on the current USB mouth whether be inserted with USB Key, if having, and execution in step 204; If no, execution in step 203;

Step 203: supervising device 102 is monitored the USB mouth by the PC/SC interface, can utilize SCardListReaders, SCardLocateCard, smart card com interface under interfaces such as SCardGetStatusChange or the Windows operating system is monitored, when on monitoring the USB mouth, having USB Key to insert, execution in step 204;

Step 204: 103 couples of USB Key of apparatus for initializing carry out initialization;

Step 205: supervising device 102 monitoring USB Key pull out, and carry out steps 203 after monitoring the pulling out of USB Key.

Embodiment two:

Step 201: start initialization apparatus;

Step 203: the equipment control interface that supervising device 102 provides by Windows operating system is monitored and is obtained the USB device attribute and comes the USB Key of appointment is detected to USB device, can use the RegisterDeviceNotification function to register the device type that receives the plug notice from operating system, use the SetupDiGetClassDevsEx function to obtain the USB Key information of on the USB of initialization apparatus mouth, having inserted, use the windows messaging treatment mechanism to handle the plug that WM_DEVICECHANGE message is monitored USB Key.When on monitoring the USB mouth, having USB Key to insert, execution in step 204;

Embodiment three:

Step 201: start initialization apparatus;

Step 203: supervising device 102 is monitored by the privately owned interface of the driving that use card reader manufacturer provides.When on monitoring the USB mouth, having USB Key to insert, execution in step 204;

In above-mentioned three embodiment, the startup method of initialization apparatus can be the start-up by hand initialize routine, also can be this program of moving automatically when computer starting, but does not limit to this two kinds of methods.Above-mentioned three employed method for supervising of embodiment can use or use wherein one or both simultaneously by multithreading, can also use other method, if can monitor USB device on the USB mouth insertion and pull out.In addition, execution in step 202 and directly the USB mouth being monitored not in actual applications, and then can carry out a series of cleaning operations if necessary after pulling out the intact USB device of firm initialization is as discharging the resource used etc.The present invention is the limit erroneous disposal route not, can directly withdraw from this program or prompting user when makeing mistakes and whether continue monitoring or withdraw from this flow process, also can use other error handling methods.In whole flow process, can add more humane interface, as wrong, the frequency of failure, back prompting insertion etc. was pulled out, is pulled out in prompting after initialization was finished, also can use special USB extender (as a kind of hardware of expanding a plurality of USB mouths, by the energising of control expansion USB mouth, the effect that outage reaches the simulation plug, can insert a plurality of USB device once) and a plurality of USB device of multithreading initialization simultaneously, to increase work efficiency.

Claims

1. A method for automatic initialization of a USB device, characterized in that: automatically determine the insertion and removal of the USB device at the USB port of the initialization device, automatically initialize when inserted, and wait for the insertion of the next USB device after pulling out.

2. The method for automatic initialization of a USB device according to claim 1, characterized in that: said method is implemented through the following steps:

Step A: start;

Step B: monitoring the insertion of the USB device into the USB port;

Step C: When monitoring that the USB device is plugged in, execute the initialization process;

Step D: monitor the removal of the USB device, and proceed to step B after the USB device is removed.

3. The method for automatic initialization of a USB device according to claim 1 or 2, characterized in that: said method is implemented through the following steps:

Step A: start;

Step A1: Detect whether there is a USB device connected to the USB port;

Step A2: If there is a USB device connected to the USB port, execute the initialization process; if there is no USB device connected to the USB port, proceed to step B;

Step A3: monitor the removal of the USB device, and proceed to step B after the USB device is removed;

Step B: monitoring the insertion of the USB device into the USB port;

4. The method for automatic initialization of a USB device according to claim 1, wherein the monitoring of the insertion and removal of the USB device is realized through a PC/SC interface.

5. The method for automatic initialization of a USB device according to claim 1, wherein the monitoring of the insertion and removal of the USB device is realized through the device management interface and message mechanism provided by the Windows operating system.

6. The method for automatic initialization of a USB device according to claim 1, wherein the monitoring of the insertion and removal of the USB device is realized by calling a private interface provided by the driver.

7. A device for automatic initialization of a USB device, characterized in that: the device includes:

Monitoring device: used to monitor whether there is a USB device inserted and removed from the USB port;

Initialization device: used to initialize the USB device.

8. The device for automatically initializing a USB device according to claim 7, characterized in that the device further comprises a detection device for detecting whether a USB device is currently connected to the USB port.