AmsHead Struct Reference

AMS protocol header, common to all AMS commands. More...

#include <packet-ams.h>

Public Attributes
AmsAddr	target
AmsAddr	sender
uint16_t	cmdId
uint16_t	stateFlags
uint32_t	cbData
ErrCodeUnion	anErrCodeUnion
UserUnion	aUserUnion

Detailed Description

AMS protocol header, common to all AMS commands.

Member Data Documentation

anErrCodeUnion

ErrCodeUnion AmsHead::anErrCodeUnion

Error code or receive handle for this message.

aUserUnion

UserUnion AmsHead::aUserUnion

User/invoke ID or fragment/packet counters.

cbData

uint32_t AmsHead::cbData

Length in bytes of the data payload following this header.

cmdId

uint16_t AmsHead::cmdId

AMS command identifier (e.g. Read, Write, ReadWrite).

sender

AmsAddr AmsHead::sender

AMS address of the sender (source) device.

stateFlags

uint16_t AmsHead::stateFlags

AMS state flags (request/response, ADS state bits).

target

AmsAddr AmsHead::target

AMS address of the target (destination) device.

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The documentation for this struct was generated from the following file:

• /builds/wireshark/wireshark/plugins/epan/ethercat/packet-ams.h