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TW200703000A - Dynamic switching method and system of media transfer protocol and mass storage class for portable multimedia device - Google Patents

Dynamic switching method and system of media transfer protocol and mass storage class for portable multimedia device

Info

Publication number
TW200703000A
TW200703000A TW094123243A TW94123243A TW200703000A TW 200703000 A TW200703000 A TW 200703000A TW 094123243 A TW094123243 A TW 094123243A TW 94123243 A TW94123243 A TW 94123243A TW 200703000 A TW200703000 A TW 200703000A
Authority
TW
Taiwan
Prior art keywords
portable multimedia
multimedia device
mtp
file format
msc
Prior art date
Application number
TW094123243A
Other languages
Chinese (zh)
Other versions
TWI275000B (en
Inventor
Yu-Xiang Qiu
Original Assignee
Ali Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ali Corp filed Critical Ali Corp
Priority to TW94123243A priority Critical patent/TWI275000B/en
Publication of TW200703000A publication Critical patent/TW200703000A/en
Application granted granted Critical
Publication of TWI275000B publication Critical patent/TWI275000B/en

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  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Information Transfer Systems (AREA)

Abstract

Dynamic switching method and system of media transfer protocol (MTP) and mass storage class (MSC) for a portable multimedia device, which make the portable multimedia device commonly use the same USB hardware resources that consist of USB ports, terminals, data FIFO, program memory, data memory and file system. Supporting MTP and MSC specifications can reduce the cost. The steps are: (1) detecting whether the portable multimedia device is in MTP mode or not. (2) Confirming the portable multimedia device is in MTP mode or MSC mode. (3) Using the ATAPI layer to process the MSC device interface file format and then using physical storage layer to access the storage space of the portable multimedia device through the file format. (4) For MTP mode, using the MTP layer to convert the MTP interface file format to FAT file format and then accessing the storage space of the portable multimedia device through a file format layer.
TW94123243A 2005-07-08 2005-07-08 Dynamic switching method and system of media transfer protocol and mass storage class for portable multimedia device TWI275000B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW94123243A TWI275000B (en) 2005-07-08 2005-07-08 Dynamic switching method and system of media transfer protocol and mass storage class for portable multimedia device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW94123243A TWI275000B (en) 2005-07-08 2005-07-08 Dynamic switching method and system of media transfer protocol and mass storage class for portable multimedia device

Publications (2)

Publication Number Publication Date
TW200703000A true TW200703000A (en) 2007-01-16
TWI275000B TWI275000B (en) 2007-03-01

Family

ID=38624241

Family Applications (1)

Application Number Title Priority Date Filing Date
TW94123243A TWI275000B (en) 2005-07-08 2005-07-08 Dynamic switching method and system of media transfer protocol and mass storage class for portable multimedia device

Country Status (1)

Country Link
TW (1) TWI275000B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI618057B (en) * 2016-06-27 2018-03-11 慧榮科技股份有限公司 Storage device and operating method thereof
US10438667B2 (en) 2016-06-27 2019-10-08 Silicon Motion, Inc. Storage device and operation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI618057B (en) * 2016-06-27 2018-03-11 慧榮科技股份有限公司 Storage device and operating method thereof
US10438667B2 (en) 2016-06-27 2019-10-08 Silicon Motion, Inc. Storage device and operation method thereof

Also Published As

Publication number Publication date
TWI275000B (en) 2007-03-01

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees