Innovate-motorsports OT-2 SDK User Manual download pdf (Page 41)

Command ‘f’ – Clear all Pass Filters

Sent: 1 byte

{

U8 Cmd; // ‘f’

}

Responds: 1 byte

{

U8 Result; // Should be 0

}

Notes: Clear all pass filters. New filters are added with ‘F’

(above).

Command ‘E’ – Add a Handshake Filter

Sent: 9 bytes

{

U8 Cmd; // ‘E’

U32 Identifier; // Identifier to pass on/FC

U32 HSAddress; // Identifier to send FC messages

// to

}

Responds: 1 byte

{

U8 Result; // Number of handshake filters in

// use

}

Notes: Reminder, the U32 values above are in little endian!

These filters do two things. First, they specify and

identifier to pass on. Second, matching identifier messages

are checked for ISO 15765 flow control messages. If a

multipart message is detected, a flow control message is

sent to the identifier specified in HSAddress. Although

standard OBD-II messages use a -8 offset for standard CAN

messages and a BYTE swap (src/dest) for extended CAN

messages, this is not honored in vehicle specific

applications.

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Innovate-motorsports OT-2 SDK User Manual Page 41