UM0541

DCP-Application Programming Interface

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PFN_DCB2

Function pointer to the ProcessFrame function

typedef UINT32 (*PFN_DCB2)(UINT32 LPFRAME pFrame);

PFN_DEH

Function pointer to the error handling function

typedef UINT32 (*PFN_DEH)(UINT32 u32Error);

3.3.2

Configuration constants

The following #define in DCP.h can be used to configure protocol behavior.

The following parameters, set by the compiler, are used to conditionally compile code for a

specific platform.

The following #define in DCPPort_x.h can be used to configure protocol behavior.

Table 1.

Constants in DCP.h

Name

Description

ACK_MANAGEMENT

Transmit ACK frames

ACK_MANAGEMENT_TIMEOUT

ACK waiting delay in ms

RESEND_ON_ERROR

Uncomment to activate resend of frames on error

MAX_SEND_TRIES

Max number of send retries

CHECK_PARAMETERS

Enable check arguments

USE_ERROR_HANDLER

Enable error handler

NO_TRACE

Disable debug messages

DCP_VERSION

Version of DCP Protocol

DCP_NOTIFICATIONS

To avoid of redefine DCN_ constants

DCP_COMMANDS

To avoid of redefine DCC_ commands

PFN_DCB2_DEFINED

To avoid of redefine PFN_DCB

PFN_DEH_DEFINED

To avoid of redefine PFN_DCB

Table 2.

Constants in DCPPort_x.h

Name

Description

ACK_MANAGEMENT_TIMEOUT

Time for acknowledgement waiting

DCP_ENDIANNESS

Set the endianness

DCP_COM_VIA_UART

Set UART as communication channel

DCP_COM_VIA_CAN

Set CAN as communication channel