Innovate-motorsports OT-2 SDK Instrukcja Użytkownika Pobierz pdf (Strona 54)

54

Command ‘5’ – Perform standard 5 Baud Initialization

Sent: 1 byte

{

U8 Cmd; // ‘5’

}

Responds: 1 byte

{

U8 Result; // 0=failed

// 1=ISO 9141 found

// 2=KWP 2000 found

}

Notes: This sends a 5 baud initialization, and then handles ‘Key

Word’ exchanges to determine protocol. It must be used with

care because, prior to entering this expert mode, the

initialization may have already occurred. Doing this twice,

too close together, can really confuse some ECUs.

Command ‘q’ – Perform standard ‘fast’ KWP-2000 initialization

Sent: 1 byte

{

U8 Cmd; // ‘f’

}

Responds: 1 byte

{

U8 Result; // 0=failed

// 1=KWP 2000 found

}

Notes: This performs a pulse and initialization exchange to start

KWP 2000. It must be used with care because, prior to

entering this expert mode, the initialization may have

already occurred. Doing this twice, too close together, can

really confuse some ECUs.

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