66 lines
1.9 KiB
C
Executable File
66 lines
1.9 KiB
C
Executable File
/** @defgroup ethernet_phy_file PHY Generic Drivers
|
|
*
|
|
* @ingroup ETH
|
|
*
|
|
* @brief <b>Ethernet PHY Generic Drivers</b>
|
|
*
|
|
* @version 1.0.0
|
|
* @author @htmlonly © @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
|
|
*
|
|
* @date 1 September 2013
|
|
*
|
|
*
|
|
* LGPL License Terms @ref lgpl_license
|
|
*/
|
|
|
|
/*
|
|
* This file is part of the libopencm3 project.
|
|
*
|
|
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
|
|
*
|
|
* This library is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <libopencm3/ethernet/mac.h>
|
|
#include <libopencm3/ethernet/phy.h>
|
|
|
|
/**@{*/
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
/** @brief Is the link up ?
|
|
*
|
|
* @param[in] phy uint8_t phy ID of the PHY
|
|
* @returns bool true, if link is up
|
|
*/
|
|
bool phy_link_isup(uint8_t phy)
|
|
{
|
|
return eth_smi_read(phy, PHY_REG_BSR) & PHY_REG_BSR_UP;
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
/** @brief Reset the PHY
|
|
*
|
|
* Reset the PHY chip and wait for done
|
|
* @param[in] phy uint8_t phy ID of the PHY
|
|
*/
|
|
void phy_reset(uint8_t phy)
|
|
{
|
|
eth_smi_write(phy, PHY_REG_BCR, PHY_REG_BCR_RESET);
|
|
while (eth_smi_read(phy, PHY_REG_BCR) & PHY_REG_BCR_RESET);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
/**@}*/
|