xmclib/XMCLib/inc/xmc_eth_phy.h
2024-10-17 17:09:59 +02:00

222 lines
8.3 KiB
C

/**
* @file xmc_eth_phy.h
* @date 2015-12-15
*
* @cond
*********************************************************************************************************************
* XMClib v2.1.16 - XMC Peripheral Driver Library
*
* Copyright (c) 2015-2017, Infineon Technologies AG
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,are permitted provided that the
* following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list of conditions and the following
* disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided with the distribution.
*
* Neither the name of the copyright holders nor the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY,OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* To improve the quality of the software, users are encouraged to share modifications, enhancements or bug fixes with
* Infineon Technologies AG dave@infineon.com).
*********************************************************************************************************************
*
* Change History
* --------------
*
* 2015-06-20:
* - Initial
*
* 2015-12-15:
* - Added XMC_ETH_PHY_ExitPowerDown and XMC_ETH_PHY_Reset
*
* @endcond
*/
/**
* @addtogroup XMClib XMC Peripheral Library
* @{
*/
/**
* @addtogroup ETH_PHY
* @brief Ethernet PHY driver for XMC4000 microcontroller family.
*
* The XMC_ETH_PHY low level driver provides functions used by XMC_ETH_MAC.
* @{
*/
#ifndef XMC_ETH_PHY_H
#define XMC_ETH_PHY_H
/*******************************************************************************
* INCLUDES
*******************************************************************************/
#include <xmc_eth_mac.h>
/*******************************************************************************
* ENUMS
*******************************************************************************/
/**
* ETH PHY status returns
*/
typedef enum XMC_ETH_PHY_STATUS
{
XMC_ETH_PHY_STATUS_OK = 0U, /**< OK. All is well! */
XMC_ETH_PHY_STATUS_BUSY = 1U, /**< Busy */
XMC_ETH_PHY_STATUS_ERROR = 2U, /**< Error */
XMC_ETH_PHY_STATUS_ERROR_DEVICE_ID = 3U, /**< Error in device identifier */
XMC_ETH_PHY_STATUS_ERROR_TIMEOUT = 4U /**< Time-out error */
} XMC_ETH_PHY_STATUS_t;
/*******************************************************************************
* DATA STRUCTURES
*******************************************************************************/
/**
* ETH PHY configuration
*/
typedef struct XMC_ETH_PHY_CONFIG
{
XMC_ETH_LINK_INTERFACE_t interface; /**< Link interface */
XMC_ETH_LINK_SPEED_t speed; /**< ETH speed: 100M or 10M? */
XMC_ETH_LINK_DUPLEX_t duplex; /**< Half or full duplex? */
bool enable_auto_negotiate; /**< Enable auto-negotiate? */
bool enable_loop_back; /**< Enable loop-back? */
} XMC_ETH_PHY_CONFIG_t;
/*******************************************************************************
* API PROTOTYPES
*******************************************************************************/
#ifdef __cplusplus
extern "C" {
#endif
/**
* @param eth_mac A constant pointer to XMC_ETH_MAC_t, pointing to the ETH MAC base address
* @param phy_addr Physical address
* @param config A constant pointer to XMC_ETH_PHY_CONFIG_t, pointing to a physical layer config
* @return int32_t return status XMC_ETH_PHY_STATUS_t
*
* \par<b>Description: </b><br>
* Initialize the ETH physical layer interface <br>
*
* \par
* The function sets the link speed, applies the duplex mode, sets auto-negotiation
* and loop-back settings.
*/
int32_t XMC_ETH_PHY_Init(XMC_ETH_MAC_t *const eth_mac, uint8_t phy_addr, const XMC_ETH_PHY_CONFIG_t *const config);
/**
* @param eth_mac A constant pointer to XMC_ETH_MAC_t, pointing to the ETH MAC base address
* @param phy_addr Physical address
* @return int32_t return status XMC_ETH_PHY_STATUS_t
*
* \par<b>Description: </b><br>
* Enter power down mode <br>
*
*/
int32_t XMC_ETH_PHY_PowerDown(XMC_ETH_MAC_t *const eth_mac, uint8_t phy_addr);
/**
* @param eth_mac A constant pointer to XMC_ETH_MAC_t, pointing to the ETH MAC base address
* @param phy_addr Physical address
* @return int32_t return status XMC_ETH_PHY_STATUS_t
*
* \par<b>Description: </b><br>
* Exit power down mode <br>
*
*/
int32_t XMC_ETH_PHY_ExitPowerDown(XMC_ETH_MAC_t *const eth_mac, uint8_t phy_addr);
/**
* @param eth_mac A constant pointer to XMC_ETH_MAC_t, pointing to the ETH MAC base address
* @param phy_addr Physical address
* @return int32_t return status XMC_ETH_PHY_STATUS_t
*
* \par<b>Description: </b><br>
* Reset transciver <br>
*
*/
int32_t XMC_ETH_PHY_Reset(XMC_ETH_MAC_t *const eth_mac, uint8_t phy_addr);
/**
* @param eth_mac A constant pointer to XMC_ETH_MAC_t, pointing to the ETH MAC base address
* @param phy_addr Physical address
* @return XMC_ETH_LINK_STATUS_t ETH link status
*
* \par<b>Description: </b><br>
* Get link status <br>
*
* \par
* The function reads the physical layer interface and returns the link status.
* It returns either ::XMC_ETH_LINK_STATUS_UP or ::XMC_ETH_LINK_STATUS_DOWN.
*/
XMC_ETH_LINK_STATUS_t XMC_ETH_PHY_GetLinkStatus(XMC_ETH_MAC_t *const eth_mac, uint8_t phy_addr);
/**
* @param eth_mac A constant pointer to XMC_ETH_MAC_t, pointing to the ETH MAC base address
* @param phy_addr Physical address
* @return XMC_ETH_LINK_SPEED_t ETH link speed
*
* \par<b>Description: </b><br>
* Get link speed <br>
*
* \par
* The function reads the physical layer interface and returns the link speed.
* It returns either ::XMC_ETH_LINK_SPEED_100M or ::XMC_ETH_LINK_SPEED_10M.
*/
XMC_ETH_LINK_SPEED_t XMC_ETH_PHY_GetLinkSpeed(XMC_ETH_MAC_t *const eth_mac, uint8_t phy_addr);
/**
* @param eth_mac A constant pointer to XMC_ETH_MAC_t, pointing to the ETH MAC base address
* @param phy_addr Physical address
* @return XMC_ETH_LINK_DUPLEX_t ETH link duplex settings
*
* \par<b>Description: </b><br>
* Get link duplex settings <br>
*
* \par
* The function reads the physical layer interface and returns the link duplex settings.
* It returns either ::XMC_ETH_LINK_DUPLEX_FULL or ::XMC_ETH_LINK_DUPLEX_HALF.
*/
XMC_ETH_LINK_DUPLEX_t XMC_ETH_PHY_GetLinkDuplex(XMC_ETH_MAC_t *const eth_mac, uint8_t phy_addr);
/**
* @param eth_mac A constant pointer to XMC_ETH_MAC_t, pointing to the ETH MAC base address
* @param phy_addr Physical address
* @return bool True if autonegotiation process is finished otherwise false
*
* \par<b>Description: </b><br>
* Get status of autonegotiation <br>
*/
bool XMC_ETH_PHY_IsAutonegotiationCompleted(XMC_ETH_MAC_t *const eth_mac, uint8_t phy_addr);
#ifdef __cplusplus
}
#endif
/**
* @}
*/
/**
* @}
*/
#endif /* XMC_ETH_PHY_H */