Echelon ISI - Manual (Page 121)

119 ISI Programmer’s Guide
IsiMessage Structure
Contains the header and body of an ISI protocol message. These messages are
typically sent using IsiSendMsg().
Byte Offset IsiMessage Data Type Note
0 Header IsiMessageHeader Message Header
1 Msg union Contents of the message.
Union of the following ISI messages:
IsiCsma Csma,
IsiCsmc Csmc,
IsiCsmd Csmd,
IsiCsme Csme,
IsiCsmi Csmi,
IsiCsmo Csmo,
IsiCsmr Csmr,
IsiCsmx Csmx,
IsiCtrp Ctrp,
IsiDidcf Didcf,
IsiDidrm Didrm,
IsiDidrq Didrq,
IsiDrum Drum,
IsiRdct Rdct,
IsiRdcs Rdcs,
IsiTimg Timg
IsiMessageCode Enumeration
Specifies the ISI message type in an IsiMessageHeader structure.
IsiMessageCode Value Note
isiDrum 0x00 Domain resource usage information
isiDrumEx 0x01 Extended domain resource usage
information
isiCsmo 0x02 Connections: open enrollment
isiCsmoEx 0x03 Connections: extended open enrollment
isiCsma 0x04 Connections: automatic open enrollment
isiCsmaEx 0x05 Connections: extended automatic open
enrollment
isiCsmr 0x06 Connections: automatic enrollment
reminder
isiCsmrEx 0x07 Connections: extended automatic
enrollment reminder
isiLastEx isiCsmrEx Last extended message code
isiDidrq 0x08 Domain ID request