TAGnology_TAGid -125kHz_Protocol.pdf - RFID Webshop

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Communication Reader-Host Rev. 1.2 February 1999 3.7.19 HT2_Halt_Selected Puts the selected HITAG 2 transponder into Halt Mode, which means that this transponder remains silent until it leaves the RF field. You can reset a transponder previously turned off by HaltSelected_LT using the command HFReset or putting it out of RF field. C-Function: void HT2_Halt_Selected (void); Header-File: Hitag2.H Serial protocol: HOST - READ/WRITE DEVICE 0x02 0x81 0x83 READ/WRITE DEVICE - HOST 0x02 Status BCC Status: 0 ... no error -1 ... SERIAL ERROR -8 ... ACKNOWLEDGEMENT ERROR Protokoll HTRM801 V1.2/C Page 34 (107)
February 1999 Rev. 1.2 Communication Reader-Host 3.7.20 HT2_Read_Page Reads a page (4 bytes) of a selected HITAG 2 transponder. If no transponder is selected, a NOTAG message will be generated. This command should be used together with ReadPageInv_LT to compare plain data with the bit-inverted data to gain maximum data reliability. C-Function: void HT2_Read_Page (BYTE_T pagenr, char *data); Header-File: Hitag2.H Serial protocol: HOST - READ/WRITE DEVICE 0x03 0x82 pagenr BCC pagenr: page number READ/WRITE DEVICE - HOST n+2 Status data[0] ....... data[3] BCC n = 0 if an error occurred (error code in Status). n = 4 if data were read from a transponder (Status = 0). Status: 0 ... no error -1 ... SERIAL ERROR -3 ... NOTAG Page 35 (107) Protokoll HTRM801 V1.2/C
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