Reader Interface

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Error handlingET/MT-3x6, ET/MT-2x8 series error messagesError Messages of Individual DriversReader Interface

 

The part supplementary data of error messages of the READ driver may contain  following data:

 

data_address is the start address of data that are to be accessed expressed in the READ driver address notation
data_size is the size of data that are to be accessed expressed like a number of data bytes in decimal format.
direction (from the point of view of the terminal) is:

- "rcv" for transmitting data from the slave to the master

- "snd" for transmitting data from the master to the slave

status_code is the status code of the response in ASCII format
request_command is the command of the related request  in ASCII format

 

The READ driver address notation for Barcode reader is like this:

 

<gun>,<byte_offset>

 

The Read driver address notation for Magnetic card reader is like this:

 

<track>,<byte_offset>

 

The Read driver address notation for Chip card reader is like this:

 

<byte_offset>

 

gun is an unsigned number in decimal format
track is an unsigned number in decimal format
byte_offset is an unsigned number in decimal format

 

 

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