AN3375 datasheet(19/73 Pages) STMICROELECTRONICS

tên linh kiện	AN3375

Giải thích chi tiết về linh kiện	CR95HF library for ISO15693 and Dual Interface EEPROM products

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19 / 73 page

AN3375

CR95HF low level layer

Doc ID 018637 Rev 1

19/73

2.3.13

IsCommandExists function

This function returns CR95HF_SUCCESS_CODE if the CmdCode value exists.

2.3.14

GetReaderErrorCode function

This function returns a description of the error contained in ReaderReply parameter.

Table 19.

CR95HF_IsCommandExists

function description

Function description

Prototype

result = int8_t CR95HF_IsCommandExists

(uint8_t CmdCode);

Input parameter

CmdCode: command code (one byte)

Output parameter

none

Return parameter

CR95HF_SUCCESS_CODE: the command code exists

CR95HF_ERRORCODE_COMMANDUNKNOWN: the

command code is unknown

Table 20.

CR95HF_GetReaderErrorCode function description

Function description

Prototype

result = int8_t CR95HF_GetReaderErrorCode

(uc8 CmdCode,uc8 *ReaderReply,char

*ErrorDescription);

Input parameter

CmdCode: command code (one byte)

ReaderReply: pointer to CR95HF response

Output parameter

ErrorDescription: pointer to ASCII string

Return parameter

ERRORCODE_GENERIC: CR95HF did not return an error code

CR95HF_SUCCESS_CODE: function successful executed

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