NFC Data Exchange Format (NDEF) --NFC(近场通信)首批技术规范

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Contents
1  Overview .......................................................
1.1 Objectives................................................................
1.1.1  Design Goals ..............................................
1.1.2  Anti-Goals ..................................................
1.2 References ...............................................................
1.3 Administration.........................................................
1.4 Special Word Usage ................................................
1.5 Name and Logo Usage ............................................
1.6  Intellectual Property ................................................
1.7 Glossary...................................................................
2  NDEF Mechanisms .......................................
2.1  Introduction .............................................................
2.2  Intended Usage ........................................................
2.3 NDEF Encapsulation Constructs.............................
2.3.1  Message......................................................
2.3.2  Record ........................................................
2.3.3  Record Chunks ...........................................
2.4 NDEF Payload Description.....................................
2.4.1  Payload Length...........................................
2.4.2  Payload Type..............................................
2.4.3  Payload Identification.................................
2.5 NDEF Mechanisms Test Requirements ..................
3  The NDEF Specification ...............................
3.1 Data Transmission Order.........................................
3.2 Record Layout .........................................................
3.2.1  MB (Message Begin)..................................
3.2.2  ME (Message End).....................................
3.2.3  CF (Chunk Flag).........................................
3.2.4  SR (Short Record) ......................................
3.2.5  IL (ID_LENGTH field is present)..............
3.2.6  TNF (Type Name Format) .........................
3.2.7  TYPE_LENGTH........................................
3.2.8  ID_LENGTH..............................................
3.2.9  PAYLOAD_LENGTH...............................
3.2.10  TYPE..........................................................
3.2.11  ID................................................................
3.2.12  PAYLOAD.................................................
3.3 THE NDEF Specification Test Requirements.........
4  Special Considerations................................
4.1  Internationalization..................................................
4.2 Security....................................................................
4.3 Maximum Field Sizes..............................................
4.4 Use of URIs in NDEF .............................................
4.5 Special Consideration Test Requirements...............
A.  Revision History ...........................................
Figures
Figure 1. Example of an NDEF Message with a Set of Records.....................
Figure 2. NDEF Octet Ordering ......................................................................
Figure 3. NDEF Record Layout ......................................................................
Figure 4. NDEF Short-Record Layout (SR=1)................................................

Tables
Table 1. TNF Field Values ..............................................................................
Table 2. Revision History................................................................................

Test Requirements
Test Requirements 1. NDEF Mechanisms Test Requirements .......................
Test Requirements 2. The NDEF Specification Test Requirements ...............
Test Requirements 3. Special Consideration Test Requirements....................