ethercat_frame.h File Reference

One EtherCAT frame as it sits on the wire, read from its bytes. More...

#include <cstdint>
#include <optional>
#include <span>
#include <vector>

Include dependency graph for ethercat_frame.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes
struct	mm::capture::Datagram
	The header of one datagram in a frame, without its data. More...
struct	mm::capture::EtherCatFrame
	One EtherCAT frame. More...

Namespaces
namespace	mm
namespace	mm::capture

Functions
bool	mm::capture::isLogicalCommand (uint8_t command)
	Whether command addresses the process image: LRD, LWR or LRW.
bool	mm::capture::isPositionCountedUp (uint8_t command)
	Whether every slave counts command's position up as the frame passes.
std::optional< EtherCatFrame >	mm::capture::parseEtherCatFrame (std::span< const uint8_t > bytes)
	Reads one Ethernet frame that carries EtherCAT datagrams.

Variables
constexpr uint16_t	mm::capture::kEtherCatEtherType = 0x88A4
	The Ethernet type of an EtherCAT frame.

Detailed Description

One EtherCAT frame as it sits on the wire, read from its bytes.