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https://github.com/espressif/esp-idf.git
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1e905acacf
W5500 features an Ethernet MAC+PHY, plus a HW SOCKET implementation. But in IDF, we only use software TCP/IP stack, which means we have to bypass the HW TCP/IP stack in W5500. So we enables the MAC RAW mode in W5500.
295 lines
8.1 KiB
C
295 lines
8.1 KiB
C
// Copyright 2019 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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//
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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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#include <stdbool.h>
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#include "esp_eth_com.h"
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#include "sdkconfig.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define ESP_ETH_PHY_ADDR_AUTO (-1)
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/**
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* @brief Ethernet PHY
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*
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*/
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typedef struct esp_eth_phy_s esp_eth_phy_t;
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/**
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* @brief Ethernet PHY
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*
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*/
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struct esp_eth_phy_s {
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/**
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* @brief Set mediator for PHY
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*
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* @param[in] phy: Ethernet PHY instance
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* @param[in] mediator: mediator of Ethernet driver
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*
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* @return
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* - ESP_OK: set mediator for Ethernet PHY instance successfully
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* - ESP_ERR_INVALID_ARG: set mediator for Ethernet PHY instance failed because of some invalid arguments
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*
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*/
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esp_err_t (*set_mediator)(esp_eth_phy_t *phy, esp_eth_mediator_t *mediator);
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/**
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* @brief Software Reset Ethernet PHY
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*
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* @param[in] phy: Ethernet PHY instance
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*
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* @return
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* - ESP_OK: reset Ethernet PHY successfully
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* - ESP_FAIL: reset Ethernet PHY failed because some error occurred
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*
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*/
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esp_err_t (*reset)(esp_eth_phy_t *phy);
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/**
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* @brief Hardware Reset Ethernet PHY
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*
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* @note Hardware reset is mostly done by pull down and up PHY's nRST pin
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*
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* @param[in] phy: Ethernet PHY instance
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*
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* @return
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* - ESP_OK: reset Ethernet PHY successfully
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* - ESP_FAIL: reset Ethernet PHY failed because some error occurred
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*
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*/
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esp_err_t (*reset_hw)(esp_eth_phy_t *phy);
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/**
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* @brief Initialize Ethernet PHY
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*
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* @param[in] phy: Ethernet PHY instance
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*
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* @return
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* - ESP_OK: initialize Ethernet PHY successfully
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* - ESP_FAIL: initialize Ethernet PHY failed because some error occurred
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*
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*/
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esp_err_t (*init)(esp_eth_phy_t *phy);
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/**
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* @brief Deinitialize Ethernet PHY
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*
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* @param[in] phyL Ethernet PHY instance
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*
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* @return
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* - ESP_OK: deinitialize Ethernet PHY successfully
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* - ESP_FAIL: deinitialize Ethernet PHY failed because some error occurred
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*
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*/
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esp_err_t (*deinit)(esp_eth_phy_t *phy);
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/**
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* @brief Start auto negotiation
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*
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* @param[in] phy: Ethernet PHY instance
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*
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* @return
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* - ESP_OK: restart auto negotiation successfully
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* - ESP_FAIL: restart auto negotiation failed because some error occurred
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*
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*/
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esp_err_t (*negotiate)(esp_eth_phy_t *phy);
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/**
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* @brief Get Ethernet PHY link status
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*
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* @param[in] phy: Ethernet PHY instance
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*
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* @return
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* - ESP_OK: get Ethernet PHY link status successfully
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* - ESP_FAIL: get Ethernet PHY link status failed because some error occurred
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*
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*/
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esp_err_t (*get_link)(esp_eth_phy_t *phy);
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/**
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* @brief Power control of Ethernet PHY
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*
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* @param[in] phy: Ethernet PHY instance
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* @param[in] enable: set true to power on Ethernet PHY; ser false to power off Ethernet PHY
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*
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* @return
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* - ESP_OK: control Ethernet PHY power successfully
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* - ESP_FAIL: control Ethernet PHY power failed because some error occurred
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*
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*/
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esp_err_t (*pwrctl)(esp_eth_phy_t *phy, bool enable);
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/**
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* @brief Set PHY chip address
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*
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* @param[in] phy: Ethernet PHY instance
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* @param[in] addr: PHY chip address
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*
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* @return
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* - ESP_OK: set Ethernet PHY address successfully
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* - ESP_FAIL: set Ethernet PHY address failed because some error occurred
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*
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*/
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esp_err_t (*set_addr)(esp_eth_phy_t *phy, uint32_t addr);
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/**
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* @brief Get PHY chip address
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*
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* @param[in] phy: Ethernet PHY instance
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* @param[out] addr: PHY chip address
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*
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* @return
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* - ESP_OK: get Ethernet PHY address successfully
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* - ESP_ERR_INVALID_ARG: get Ethernet PHY address failed because of invalid argument
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*
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*/
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esp_err_t (*get_addr)(esp_eth_phy_t *phy, uint32_t *addr);
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/**
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* @brief Advertise pause function supported by MAC layer
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*
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* @param[in] phy: Ethernet PHY instance
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* @param[out] addr: Pause ability
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*
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* @return
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* - ESP_OK: Advertise pause ability successfully
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* - ESP_ERR_INVALID_ARG: Advertise pause ability failed because of invalid argument
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*
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*/
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esp_err_t (*advertise_pause_ability)(esp_eth_phy_t *phy, uint32_t ability);
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/**
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* @brief Free memory of Ethernet PHY instance
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*
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* @param[in] phy: Ethernet PHY instance
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*
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* @return
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* - ESP_OK: free PHY instance successfully
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* - ESP_FAIL: free PHY instance failed because some error occurred
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*
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*/
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esp_err_t (*del)(esp_eth_phy_t *phy);
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};
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/**
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* @brief Ethernet PHY configuration
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*
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*/
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typedef struct {
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int32_t phy_addr; /*!< PHY address, set -1 to enable PHY address detection at initialization stage */
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uint32_t reset_timeout_ms; /*!< Reset timeout value (Unit: ms) */
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uint32_t autonego_timeout_ms; /*!< Auto-negotiation timeout value (Unit: ms) */
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int reset_gpio_num; /*!< Reset GPIO number, -1 means no hardware reset */
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} eth_phy_config_t;
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/**
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* @brief Default configuration for Ethernet PHY object
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*
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*/
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#define ETH_PHY_DEFAULT_CONFIG() \
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{ \
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.phy_addr = ESP_ETH_PHY_ADDR_AUTO, \
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.reset_timeout_ms = 100, \
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.autonego_timeout_ms = 4000, \
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.reset_gpio_num = 5, \
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}
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/**
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* @brief Create a PHY instance of IP101
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*
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* @param[in] config: configuration of PHY
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*
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* @return
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* - instance: create PHY instance successfully
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* - NULL: create PHY instance failed because some error occurred
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*/
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esp_eth_phy_t *esp_eth_phy_new_ip101(const eth_phy_config_t *config);
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/**
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* @brief Create a PHY instance of RTL8201
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*
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* @param[in] config: configuration of PHY
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*
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* @return
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* - instance: create PHY instance successfully
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* - NULL: create PHY instance failed because some error occurred
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*/
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esp_eth_phy_t *esp_eth_phy_new_rtl8201(const eth_phy_config_t *config);
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/**
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* @brief Create a PHY instance of LAN8720
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*
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* @param[in] config: configuration of PHY
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*
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* @return
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* - instance: create PHY instance successfully
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* - NULL: create PHY instance failed because some error occurred
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*/
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esp_eth_phy_t *esp_eth_phy_new_lan8720(const eth_phy_config_t *config);
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/**
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* @brief Create a PHY instance of DP83848
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*
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* @param[in] config: configuration of PHY
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*
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* @return
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* - instance: create PHY instance successfully
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* - NULL: create PHY instance failed because some error occurred
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*/
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esp_eth_phy_t *esp_eth_phy_new_dp83848(const eth_phy_config_t *config);
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/**
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* @brief Create a PHY instance of KSZ8041
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*
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* @param[in] config: configuration of PHY
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*
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* @return
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* - instance: create PHY instance successfully
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* - NULL: create PHY instance failed because some error occurred
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*/
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esp_eth_phy_t *esp_eth_phy_new_ksz8041(const eth_phy_config_t *config);
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#if CONFIG_ETH_SPI_ETHERNET_DM9051
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/**
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* @brief Create a PHY instance of DM9051
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*
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* @param[in] config: configuration of PHY
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*
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* @return
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* - instance: create PHY instance successfully
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* - NULL: create PHY instance failed because some error occurred
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*/
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esp_eth_phy_t *esp_eth_phy_new_dm9051(const eth_phy_config_t *config);
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#endif
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#if CONFIG_ETH_SPI_ETHERNET_W5500
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/**
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* @brief Create a PHY instance of W5500
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*
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* @param[in] config: configuration of PHY
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*
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* @return
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* - instance: create PHY instance successfully
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* - NULL: create PHY instance failed because some error occurred
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*/
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esp_eth_phy_t *esp_eth_phy_new_w5500(const eth_phy_config_t *config);
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#endif
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#ifdef __cplusplus
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}
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#endif
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