TWI336838B - Method for formatting and testing usb storage devices - Google Patents

Description

1336838

'Sanda number: TW3366PA IX. Invention: [Technical field of invention] '' The present invention relates to a format and test method for a universal serial bus (USB) storage device, and in particular It relates to a format and test method for simultaneously formatting and testing multiple storage devices. ^ JC:^ [Prior Art]

#Universal serial bus (USB) storage is placed in the UI, and a series of formatting and reading and writing tests are required to ensure the quality of the USB storage device. The traditional USB storage device format and test method is used for a single-threaded disk operating system ("讣operating system", D〇s). Therefore, when using traditional formatting and testing to measure USB storage devices, The factory operator can only format and read and write tests on one USB storage device at a time, so when testing a large number of USB= storage devices, the above traditional formatting and testing method will take ten minutes. The invention provides a formatting and testing method for a multi-thread operating system for formatting and testing a plurality of universal serial buss (Universal serial). Bus, USB) storage device includes: (a) detecting USB storage device; (b) obtaining control of the pipeline of the USB storage device; (c) formatting the USB storage device, and writing to the file System format; (d) release the pipeline of the USB storage device 1336838

^ Sanda number: TW3366PA • Right to the operating system; and (e) Test if the USB storage device is formatted successfully. ^ The present invention further provides a format and test method for performing a multi-threaded operating system to format and test a plurality of "Universal serial bus (USB) storages. The device comprises: U) detecting a USB storage device; (b) obtaining a pipe control of the USB storage device; (c) formatting the USB storage device and writing to a file system format; (d) Release the tube of the usb storage device • Line (4) to the operating system; (e) Write to the successfully formatted USB storage device - Write the first - random number data; and (1) Read the self-formatted coffee storage device - The second random data 'for the first - random number data and the second random number data - read and write test, if the first - random number data and the second random number data, the read and write test is successful. In order to make the above content of the present invention more comprehensible, the following detailed description, the preferred embodiment, and the accompanying drawings, are described in detail below: ❿ [Embodiment] The first time, the implementation of the forest correction format The method flow diagram is used for the multi-thread operating system to format and test multiple Universal Serial Bus 'USB storage devices. The format and test method of the embodiment of the tree is taken as an example for the Windows operating system XP version (Wind〇ws χρ). In the embodiment of the present invention, the 'USB storage device is described by taking the non-gate flash memory (just ρ flash) as an example. 1336838

'Sanda Number: TW3366PA Describes the formatting and testing method of the embodiment of the present invention. Please refer to the first picture of the Japanese. First, in step si 10, the USB storage device is tested. When the USB storage device is plug-in, the window operating system detects and recognizes the USB storage device through the control endpoint of the storage device.

Then, in step S120, the pipe control of the USB storage devices is obtained. In the embodiment of the present invention, the Windows driver model (WDM) low-level filter driver is used to obtain control of the USB storage device. Since the embodiment of the present invention is used for the window operating system, when the window operating system detects the inserted USB storage device, the pipe control of the storage device is transferred to the window operation. The system has a built-in driver, which is built into the driver to control the USB storage device. As a result, the USB storage device cannot be formatted.

Therefore, in the embodiment of the present invention, after the window operating system produces the inserted storage device, the low-order step is used before the pipeline control right of the USB storage device is built in the driver (4). ^ Driver to intercept the pipeline control of the USB library. This s line is the pipeline used by the USB storage device when it is used. ^贝料(五)h/bulkout) After the above-mentioned low-order 遽 遽 取得 = 权 权 权 权 权 权 USB USB USB USB USB USB USB USB USB USB USB USB USB USB USB USB USB USB USB USB USB USB USB USB USB USB USB USB USB USB In the step action mode, the pure storage/multi-execution mode is written and written into a file system 1336838.

- Sanda number: TW3366PA format. The system file format is, for example, a file configuration table 16 (F U e allocation table 16, FAT 16) or a file configuration table 32 (FAT 32) format. Thereafter, in step S140, the pipeline control of the USB storage device is released to the window operating system. When the USB storage device is formatted, the pipeline control of the USB storage device is no longer needed. Therefore, the pipeline control of the USB storage device is released to the Windows operating system, i.e., the control of the USB storage device's official line is transferred to the USB storage device driver of the Windows operating system. Then, in step bl50, test whether the USB storage device is formatted. At this point, the built-in driver of the Windows operating system is used to control the format of the slot system in the USB storage device and verify that the format is correct or not. w朱乐,死死 = 'In step sl6〇 ' For the successfully formatted (4) storage device, the lamp = ^ test 1 to verify whether it can be read and written normally. In the embodiment of the present invention, the built-in driver of the swearing country operating system is used to write the random number of data, and the random data is compared to the writer's mess == or not. So - W out format == quality. The lake storage device to ensure the flow of products of the Na storage device ^2. Figure material is issued ^ another - implementation format (four) test method f. #H is in the step S21G to manufacture a plurality of USB storage devices. I. After: obtaining the pipeline control of the storage device in step 322°, in step S230, formatting the USB storage shelf 1336838

: The number is .TW3366PA The 'here' format can be a low-order format format. In step S24G, Cheng visits the ''' 桧木糸 right to the operating system. m's pipeline control forest dog S25Q's test each USB storage device rim-style success is riding (four) delete, in the case of the case, through the window material - random data; in this record format failed _ storage ^ ^ failed 'Take the steps, then, go to the step coffee, _ step of the USB storage device to read and write> A 钇 钇 。 。 。 。 。 。 。 。. The literacy test is to read a dexterously formatted USB storage device from the formatted 忐 格式化 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Match, the two match ~ 』 domain force table is not formatted successfully USB storage device can be written to write '❹m to complete. If the read/write test fails, proceed to the step side to record the USB storage device that failed the read/write test. Since the window operating system is a multi-thread operating system, the formatting and thief methods of the above two embodiments are executed in a multi-thread mode, and several USB storage devices are formatted and tested for success. The format and test method for the above two-pass palladium example is taken as an example for the XP version of the Windows operating system. In practical applications, the formatted and measured method of the present invention can be applied to any operating system supporting multiple threads, such as LINUX' or other versions of the Windows operating system. 1336838

'Sanda Number: TW3366PA The formatting and testing methods of the above two embodiments are exemplified by formatting and testing NAND flash memory. Actually, the application is not limited to this. Any of the USB storage devices that need to be formatted before leaving the factory, such as non-or gate (NOR) flash memory, can use the formatting and testing methods of the embodiments of the present invention. The formatting and testing methods of the above two embodiments are used in a multi-threaded window operating system. The format and test method of the embodiment of the present invention can use a multi-threaded method of time division multiplexing to simultaneously format, verify, format, and perform read and write tests on multiple USB storage devices. Compared with the traditional format and test method for single thread, the format and test method of the embodiment of the present invention can save formatting and reading and writing test time and shorten the product when mass producing a USB storage device. Test time course. In addition, with the advancement of technology, when the storage capacity of USB storage devices in the future is larger, the time saved by using multi-thread formatting and testing methods to format and test multiple USB storage devices will be more significant. In conclusion, the present invention has been disclosed above in a preferred embodiment, and is not intended to limit the invention. Those skilled in the art having the knowledge of the present invention can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims. 1336838

• Cuda number: TW3366PA [Simplified description of the drawings] Fig. 1 is a flow chart showing the formatting and testing method of the embodiment of the present invention. FIG. 2 is a flow chart showing a method of formatting and testing according to another embodiment of the present invention. [Main component symbol description]

Claims (1)

1336838 2010/8/11 Df X. Patent application scope: 1. A format and test method for a multi-threaded (Mu 11 i-thread) operating system to format and test a plurality of universal sequence sinks A (universal serial bus, USB) storage device, comprising: (a) detecting the USB storage devices; (b) obtaining a pipeline of the USB storage devices by a lower-level filter driver (WDM) (c) The low-level filter driver formats the USB storage devices in a low-level format and writes them into a file system format; (d) The low-level filter driver releases the pipeline control rights of the USB storage devices to The operating system; and (e) reading the file system format to test whether the USB storage devices are formatted successfully. 2. The formatting and testing method of claim 1, wherein steps (a) through (e) are performed in a multi-threaded manner. 3. The format and test method according to claim 1, wherein if the USB storage devices are formatted successfully, the following steps are included: the package performs read and write tests on the USB storage devices, Check out some USB storage dreams IT a clothing can be written normally. The formatting and testing procedures described in item 3 of the scope of the patent application are performed in a multi-threaded manner. For example, if the USB storage device fails to be formatted, the formatting and testing method described in the first paragraph of the claim is as follows: (1) If the USB storage device fails to be formatted, the formatting and testing method further includes the following steps: S) Record the USB storage devices as test failures. 6. The method of formatting and testing according to claim 1, wherein in step (d), the pipeline control rights of the USB storage devices are given to the USB storage device driver of the operating system. . 7. The format and test method as described in claim 1 'where the operating system is a Windows operating system (ρ version (Win(i〇ws XP). 8. As described in claim 1 The format and test method of the '6 Hai file system format is FAT (Fi le al location table) 16 or FAT32 format. 9. Formatting and testing method as described in the scope of claim 1 'where USB The storage device is a non-NAND flash memory. 10. A format and test method for a multi-thread operating system to format and test a plurality of The Universal Serial Bus (USB) storage device includes: (a) detecting the USB storage devices; (b) obtaining the USB storage devices by a lower-level filter driver (wdm lower filter driver) Pipe control; (c) Low-order filter driver for low-order formatting of these usB storage devices and writing to a file system format; 13 1336838 2010/8/11 Repair jf: « ♦ (d) Low-order filter driver releases these The pipeline control of the USB storage device is given to the operating system; (e) writing a first random number data to the successfully formatted USB storage device; and (reading a second from the successfully formatted USB storage device) The random data is 'read and write test the first random number data and the second random number data'. If the first random number data is the same as the second random number data, the read/write test is successful. The format and test method described in the first paragraph of the patent application 'where' includes the step of recording the USB storage device that failed to be formatted, 12. The format and test side as described in claim 1 ^ wherein, if the first random number data is different from the second random number data, the 5 stomach write test fails 'recording the USB storage device. For example, in the format and test method described in claim 10 of the patent scope, the driver of the USB storage device, the driver of the USB storage device of the USB storage device. In the law, as in the format and test side described in claim 10, steps (a) through (f) are performed in a multi-threaded manner. The method is as described in the patent application scope 帛10, and the format and test side XP) o '5 hai operating system is the Windows operating system ΧΡ version (Windows 16 j. Law, \ patent application scope 10) Formatting and testing side, the file system format is FAT (File aU0cati0n 14 1336838 2010/8/11 correction table) 16 or FAT32 format. t 17. Formatting and testing method as described in claim 10 The USB storage device is a non-NAND flash memory. 15