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AT+i Programmer's Manual - SE Spezial-Electronic AG

AT+i Programmer's Manual - SE Spezial-Electronic AG

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Nonvolatile Parameter Database<br />

33.13.3 +iDSTR — Define Disconnection String for SerialNET Mode<br />

Syntax: <strong>AT+i</strong>[!]DSTR:<br />

Permanently sets SerialNET device disconnection string.<br />

In a modem environment, iChip also goes offline<br />

following this event.<br />

Parameters: disconnect_string = The string expected on a serial link to<br />

signal socket disconnection.<br />

Command Options:<br />

disconnect_string= '' Empty string – the connection will never be terminated<br />

due to a string arriving on serial link.<br />

disconnect_string= string received on serial link signals socket disconnection.<br />

string consists any combination of printable ASCII<br />

characters and characters represented by two hexadecimal<br />

digits, such as: \xhh, where h is a hexadecimal digit 0..9 or<br />

A..F. Hexadecimal representation allows specifying nonprintable<br />

characters.<br />

! iChip will not send a DSTR to the socket upon detection.<br />

When this flag is not specified, iChip will send a DSTR<br />

each time it detects it.<br />

Default: Empty<br />

Result code:<br />

I/OK If disconnect_string is an empty or legal string.<br />

I/ERROR Otherwise<br />

<strong>AT+i</strong>DSTR? Reports the current contents of the disconnect_string<br />

parameter. If the disconnect_string parameter is empty,<br />

only are returned. If the ‗!‖ flag is specified, the<br />

― *‖ string is appended to the report.<br />

For example, the reply to a <strong>AT+i</strong>DSTR? command will be<br />

―&&& *‖ in case <strong>AT+i</strong>!DSTR=&&& was previously<br />

specified.<br />

The reply is followed by I/OK.<br />

<strong>AT+i</strong>DSTR=? Returns the message ‗String‘ followed by I/OK.

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