Introduction

Functions
uint32_t	PN_enterFlushMode (PN_Handle pnHandle)
	Used to signal topology change to MRP state machine. More...

uint32_t	PN_allCpmKnown (PN_Handle pnHandle)

void	PN_resetCpmPorts (PN_Handle pnHandle)

void	PN_setCpmPort (PN_Handle pnHandle, t_rtcPacket *pID)

Enumerations
enum	tMrpStates { MRPREADY, MRPENTER, MRPWAIT, MRPCHECK, MRPEXIT }

Macros
#define	DISABLED 0

#define	BLOCKING 1

#define	FORWARDING 2

#define	watchDogExpireDuration 100

Macro Definition Documentation

◆ DISABLED

#define DISABLED 0

MRP Port disabled state

◆ BLOCKING

#define BLOCKING 1

MRP Port blocking state

◆ FORWARDING

#define FORWARDING 2

MRP Port forwarding state

◆ watchDogExpireDuration

#define watchDogExpireDuration 100

ICSS WatchDog Expiry duration in milli seconds

Enumeration Type Documentation

◆ tMrpStates

enum tMrpStates

Enumerator
MRPREADY	MRP module initiliazed. Idle state, do nothing
MRPENTER	MRP flush mode entered. Break in network detected, flush FDB
MRPWAIT	Waiting for CPM received. Sleep and goto MRPCHECK
MRPCHECK	Check if all CPM received. Check by PN_allCpmKnown
MRPEXIT	Exit MRP flush mode, back to normal op i.e., to MRPREADY

Function Documentation

◆ PN_enterFlushMode()

uint32_t PN_enterFlushMode ( PN_Handle pnHandle )

Used to signal topology change to MRP state machine.

Parameters

pnHandle Profinet Handle

Returns: 0 if we went to MRPENTER state; 1 if already in flush operation

Precondition: MRP_SUPPORT defined

◆ PN_allCpmKnown()

uint32_t PN_allCpmKnown ( PN_Handle pnHandle )

◆ PN_resetCpmPorts()

void PN_resetCpmPorts ( PN_Handle pnHandle )

◆ PN_setCpmPort()

void PN_setCpmPort	(	PN_Handle	pnHandle,
		t_rtcPacket *	pID
	)