Delphi Gateway Systems Analysis INterface Tool (SAINT) User Manual

 

Message IDs are one byte long and have the following general format: 

Type (CAN, BEAN, 

ACP,Class 2, IIC, etc) 

Command (Cmd=1) 

Tx (1) / Rx (0) 

Time Stamp (TS) 

Bits 3 - 7 

bit 2 

bit 1 

bit 0 

The upper nibble indicates the type of message.  The following types are defined: 

•

 

Gateway (08) 

•

 

Keyword 82 (10h) 

•

 

Keyword 71 (18h) 

•

 

IIC (20h) 

•

 

Keyword 2000 (28h) 

•

 

IDB (30) 

•

 

ACP (38h) 

•

 

E&C (40h) 

•

 

J1708 (48h) 

•

 

CAN (50h) 

•

 

Class2 (60h) 

•

 

Class2 Block (68h) 

•

 

SPI (70h) 

•

 

BEAN1 (90h) 

•

 

BEAN2 (98h) 

Bits 3 to 7 identify the specific communication bus (i.e., Class 2, CAN bus, etc.).  Bit 2 is used to designate a 
command or setup message when set to 1.  Bit 1 is the transmit or receive bit with 1 designating transmit and 0 
designating receive.  Bit 0 is used to designate the Time Stamp.  In general, report messages from the gateway use 
the same identifiers as commands to the gateway.