77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "esp_eth.h"
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/**
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* @brief Common PHY-management functions.
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*
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* @note These are not enough to drive any particular Ethernet PHY.
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* They provide a common configuration structure and management functions.
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*
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*/
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/**
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* @brief Configure fixed pins for RMII data interface.
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*
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* @note This configures GPIOs 0, 19, 22, 25, 26, 27 for use with RMII data interface.
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* These pins cannot be changed, and must be wired to ethernet functions.
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* This is not sufficient to fully configure the Ethernet PHY.
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* MDIO configuration interface pins (such as SMI MDC, MDO, MDI) must also be configured correctly in the GPIO matrix.
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*
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*/
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void phy_rmii_configure_data_interface_pins(void);
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/**
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* @brief Configure variable pins for SMI ethernet functions.
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*
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* @param mdc_gpio MDC GPIO Pin number
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* @param mdio_gpio MDIO GPIO Pin number
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*
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* @note Calling this function along with mii_configure_default_pins() will fully configure the GPIOs for the ethernet PHY.
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*/
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void phy_rmii_smi_configure_pins(uint8_t mdc_gpio, uint8_t mdio_gpio);
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/**
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* @brief Enable flow control in standard PHY MII register.
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*
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*/
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void phy_mii_enable_flow_ctrl(void);
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/**
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* @brief Check Ethernet link status via MII interface
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*
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* @return true Link is on
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* @return false Link is off
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*/
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bool phy_mii_check_link_status(void);
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/**
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* @brief Check pause frame ability of partner via MII interface
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*
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* @return true Partner is able to process pause frame
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* @return false Partner can not process pause frame
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*/
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bool phy_mii_get_partner_pause_enable(void);
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#ifdef __cplusplus
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}
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#endif
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