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ST95HF 数据表(PDF) 69 Page - STMicroelectronics |
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ST95HF 数据表(HTML) 69 Page - STMicroelectronics |
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69 / 93 page  DocID025630 Rev 4 69/93 ST95HF Examples of ST95HF command code to activate NFC Forum and ISO/IEC 15693 tags 92 Appendix D Examples of ST95HF command code to activate NFC Forum and ISO/IEC 15693 tags The following script works on the DEMO_CR95HF evaluation board and with the ST95HF development software available on www.st.com. This section provides examples of ST95HF command code used to activate NFC Forum and ISO/IEC 15693 tags using ST95HF development software. CR95HFDLL_STCMD : Is the standard ST95HF frame exchange command. In this command, the first byte 01 is not sent, it is only requested by the ST95HF development software in order to recognize if it is a user or service command. CR95HFDLL_SENDRECV : Is the encapsulated ST95HF SendReceive command for which command codes, number of bytes, and CRC are automatically appended to the parameter. In this section, • The ST95HF command overhead (command code, length of data and transmission flag) is in black. • The Tag instruction is in blue. • The ST95HF response overhead (result code, length of data and status) is in green. • The Tag response is in red. When the CRC append option is set in the Protocol Select command, the CRC is automatically appended by the ST95HF, but the CRC is not visible in the instruction log file. When the CRC is present in the command or response, CRC reply is in italics. The following symbols correspond to: >>> Frame sent by Host to ST95HF <<< Frame received by Host from ST95HF D.1 ISO/IEC 14443 Type A D.1.1 NFC Forum Tag Type 1 (Topaz) REM, ST95HF code example to support NFC Forum Tag Type 1 14443_A REM, TEST TOPAZ 14443A (UID 6E567A00) REM, first byte 01 in CR95HFDLL_STCMD is only requested by ST95HF Development SW REM, RFOFF >>> CR95HFDLL_STCMD, 01 02020000 <<< 0000 REM, TEST TOPAZ 14443A (UID 6E567A00) REM, Sel Prot 14443A option TOPAZ >>> CR95HFDLL_STCMD, 01 020402000300 <<< 0000 |
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