mii.h File Reference

EtherCAT MII access fuctions. More...

#include <libosal/types.h>
#include "libethercat/common.h"
#include "libethercat/ec.h"

Go to the source code of this file.

Functions
int	ec_miiread (struct ec *pec, osal_uint16_t slave, osal_uint8_t phy_adr, osal_uint16_t phy_reg, osal_uint16_t *data)
	Read 16-bit word via MII.
int	ec_miiwrite (struct ec *pec, osal_uint16_t slave, osal_uint8_t phy_adr, osal_uint16_t phy_reg, osal_uint16_t *data)

Detailed Description

EtherCAT MII access fuctions.

Author

Robert Burger rober.nosp@m.t.bu.nosp@m.rger@.nosp@m.dlr..nosp@m.de

Date

24 Nov 2016

These functions are used to ensure access to the EtherCAT slaves MII.

Function Documentation

ec_miiread()

int ec_miiread	(	struct ec *	pec,
		osal_uint16_t	slave,
		osal_uint8_t	phy_adr,
		osal_uint16_t	phy_reg,
		osal_uint16_t *	data
	)

Read 16-bit word via MII.

Parameters

[in]	pec	Pointer to EtherCAT master structure, which you got from ec_open.
[in]	slave	Number of EtherCAT slave. this depends on the physical order of the EtherCAT slaves (usually the n'th slave attached).
[in]	phy_adr	Address of PHY attached via MII.
[in]	phy_reg	Register of PHY selected by phy_adr.
[out]	data	Returns read 16-bit data value.

Return values

EC_O	On success