mirror of
https://github.com/espressif/esp-idf.git
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119 lines
3.1 KiB
C
119 lines
3.1 KiB
C
/*
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* SPDX-FileCopyrightText: 2019-2021 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include "esp_err.h"
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#include "esp_event_base.h"
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#include "hal/eth_types.h"
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#include "esp_eth_spec.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Ethernet driver state
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*
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*/
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typedef enum {
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ETH_STATE_LLINIT, /*!< Lowlevel init done */
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ETH_STATE_DEINIT, /*!< Deinit done */
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ETH_STATE_LINK, /*!< Link status changed */
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ETH_STATE_SPEED, /*!< Speed updated */
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ETH_STATE_DUPLEX, /*!< Duplex updated */
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ETH_STATE_PAUSE, /*!< Pause ability updated */
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} esp_eth_state_t;
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/**
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* @brief Ethernet mediator
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*
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*/
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typedef struct esp_eth_mediator_s esp_eth_mediator_t;
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/**
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* @brief Ethernet mediator
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*
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*/
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struct esp_eth_mediator_s {
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/**
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* @brief Read PHY register
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*
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* @param[in] eth: mediator of Ethernet driver
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* @param[in] phy_addr: PHY Chip address (0~31)
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* @param[in] phy_reg: PHY register index code
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* @param[out] reg_value: PHY register value
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*
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* @return
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* - ESP_OK: read PHY register successfully
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* - ESP_FAIL: read PHY register failed because some error occurred
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*
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*/
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esp_err_t (*phy_reg_read)(esp_eth_mediator_t *eth, uint32_t phy_addr, uint32_t phy_reg, uint32_t *reg_value);
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/**
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* @brief Write PHY register
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*
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* @param[in] eth: mediator of Ethernet driver
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* @param[in] phy_addr: PHY Chip address (0~31)
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* @param[in] phy_reg: PHY register index code
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* @param[in] reg_value: PHY register value
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*
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* @return
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* - ESP_OK: write PHY register successfully
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* - ESP_FAIL: write PHY register failed because some error occurred
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*/
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esp_err_t (*phy_reg_write)(esp_eth_mediator_t *eth, uint32_t phy_addr, uint32_t phy_reg, uint32_t reg_value);
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/**
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* @brief Deliver packet to upper stack
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*
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* @param[in] eth: mediator of Ethernet driver
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* @param[in] buffer: packet buffer
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* @param[in] length: length of the packet
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*
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* @return
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* - ESP_OK: deliver packet to upper stack successfully
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* - ESP_FAIL: deliver packet failed because some error occurred
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*
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*/
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esp_err_t (*stack_input)(esp_eth_mediator_t *eth, uint8_t *buffer, uint32_t length);
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/**
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* @brief Callback on Ethernet state changed
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*
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* @param[in] eth: mediator of Ethernet driver
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* @param[in] state: new state
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* @param[in] args: optional argument for the new state
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*
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* @return
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* - ESP_OK: process the new state successfully
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* - ESP_FAIL: process the new state failed because some error occurred
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*
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*/
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esp_err_t (*on_state_changed)(esp_eth_mediator_t *eth, esp_eth_state_t state, void *args);
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};
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/**
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* @brief Ethernet event declarations
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*
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*/
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typedef enum {
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ETHERNET_EVENT_START, /*!< Ethernet driver start */
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ETHERNET_EVENT_STOP, /*!< Ethernet driver stop */
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ETHERNET_EVENT_CONNECTED, /*!< Ethernet got a valid link */
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ETHERNET_EVENT_DISCONNECTED, /*!< Ethernet lost a valid link */
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} eth_event_t;
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/**
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* @brief Ethernet event base declaration
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*
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*/
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ESP_EVENT_DECLARE_BASE(ETH_EVENT);
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#ifdef __cplusplus
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}
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#endif
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