kopia lustrzana https://github.com/espressif/esp-idf
585 wiersze
19 KiB
C
585 wiersze
19 KiB
C
/*
|
||
* SPDX-FileCopyrightText: 2019-2022 Espressif Systems (Shanghai) CO LTD
|
||
*
|
||
* SPDX-License-Identifier: Apache-2.0
|
||
*/
|
||
#pragma once
|
||
|
||
#include <stdbool.h>
|
||
#include "esp_eth_com.h"
|
||
#include "sdkconfig.h"
|
||
|
||
#ifdef __cplusplus
|
||
extern "C" {
|
||
#endif
|
||
|
||
/**
|
||
* @brief Ethernet MAC
|
||
*
|
||
*/
|
||
typedef struct esp_eth_mac_s esp_eth_mac_t;
|
||
|
||
/**
|
||
* @brief Ethernet MAC
|
||
*
|
||
*/
|
||
struct esp_eth_mac_s {
|
||
/**
|
||
* @brief Set mediator for Ethernet MAC
|
||
*
|
||
* @param[in] mac: Ethernet MAC instance
|
||
* @param[in] eth: Ethernet mediator
|
||
*
|
||
* @return
|
||
* - ESP_OK: set mediator for Ethernet MAC successfully
|
||
* - ESP_ERR_INVALID_ARG: set mediator for Ethernet MAC failed because of invalid argument
|
||
*
|
||
*/
|
||
esp_err_t (*set_mediator)(esp_eth_mac_t *mac, esp_eth_mediator_t *eth);
|
||
|
||
/**
|
||
* @brief Initialize Ethernet MAC
|
||
*
|
||
* @param[in] mac: Ethernet MAC instance
|
||
*
|
||
* @return
|
||
* - ESP_OK: initialize Ethernet MAC successfully
|
||
* - ESP_ERR_TIMEOUT: initialize Ethernet MAC failed because of timeout
|
||
* - ESP_FAIL: initialize Ethernet MAC failed because some other error occurred
|
||
*
|
||
*/
|
||
esp_err_t (*init)(esp_eth_mac_t *mac);
|
||
|
||
/**
|
||
* @brief Deinitialize Ethernet MAC
|
||
*
|
||
* @param[in] mac: Ethernet MAC instance
|
||
*
|
||
* @return
|
||
* - ESP_OK: deinitialize Ethernet MAC successfully
|
||
* - ESP_FAIL: deinitialize Ethernet MAC failed because some error occurred
|
||
*
|
||
*/
|
||
esp_err_t (*deinit)(esp_eth_mac_t *mac);
|
||
|
||
/**
|
||
* @brief Start Ethernet MAC
|
||
*
|
||
* @param[in] mac: Ethernet MAC instance
|
||
*
|
||
* @return
|
||
* - ESP_OK: start Ethernet MAC successfully
|
||
* - ESP_FAIL: start Ethernet MAC failed because some other error occurred
|
||
*
|
||
*/
|
||
esp_err_t (*start)(esp_eth_mac_t *mac);
|
||
|
||
/**
|
||
* @brief Stop Ethernet MAC
|
||
*
|
||
* @param[in] mac: Ethernet MAC instance
|
||
*
|
||
* @return
|
||
* - ESP_OK: stop Ethernet MAC successfully
|
||
* - ESP_FAIL: stop Ethernet MAC failed because some error occurred
|
||
*
|
||
*/
|
||
esp_err_t (*stop)(esp_eth_mac_t *mac);
|
||
|
||
/**
|
||
* @brief Transmit packet from Ethernet MAC
|
||
*
|
||
* @param[in] mac: Ethernet MAC instance
|
||
* @param[in] buf: packet buffer to transmit
|
||
* @param[in] length: length of packet
|
||
*
|
||
* @return
|
||
* - ESP_OK: transmit packet successfully
|
||
* - ESP_ERR_INVALID_SIZE: number of actually sent bytes differs to expected
|
||
* - ESP_FAIL: transmit packet failed because some other error occurred
|
||
*
|
||
* @note Returned error codes may differ for each specific MAC chip.
|
||
*
|
||
*/
|
||
esp_err_t (*transmit)(esp_eth_mac_t *mac, uint8_t *buf, uint32_t length);
|
||
|
||
/**
|
||
* @brief Transmit packet from Ethernet MAC constructed with special parameters at Layer2.
|
||
*
|
||
* @param[in] mac: Ethernet MAC instance
|
||
* @param[in] argc: number variable arguments
|
||
* @param[in] args: variable arguments
|
||
*
|
||
* @note Typical intended use case is to make possible to construct a frame from multiple higher layer
|
||
* buffers without a need of buffer reallocations. However, other use cases are not limited.
|
||
*
|
||
* @return
|
||
* - ESP_OK: transmit packet successfully
|
||
* - ESP_ERR_INVALID_SIZE: number of actually sent bytes differs to expected
|
||
* - ESP_FAIL: transmit packet failed because some other error occurred
|
||
*
|
||
* @note Returned error codes may differ for each specific MAC chip.
|
||
*
|
||
*/
|
||
esp_err_t (*transmit_vargs)(esp_eth_mac_t *mac, uint32_t argc, va_list args);
|
||
|
||
/**
|
||
* @brief Receive packet from Ethernet MAC
|
||
*
|
||
* @param[in] mac: Ethernet MAC instance
|
||
* @param[out] buf: packet buffer which will preserve the received frame
|
||
* @param[out] length: length of the received packet
|
||
*
|
||
* @note Memory of buf is allocated in the Layer2, make sure it get free after process.
|
||
* @note Before this function got invoked, the value of "length" should set by user, equals the size of buffer.
|
||
* After the function returned, the value of "length" means the real length of received data.
|
||
*
|
||
* @return
|
||
* - ESP_OK: receive packet successfully
|
||
* - ESP_ERR_INVALID_ARG: receive packet failed because of invalid argument
|
||
* - ESP_ERR_INVALID_SIZE: input buffer size is not enough to hold the incoming data.
|
||
* in this case, value of returned "length" indicates the real size of incoming data.
|
||
* - ESP_FAIL: receive packet failed because some other error occurred
|
||
*
|
||
*/
|
||
esp_err_t (*receive)(esp_eth_mac_t *mac, uint8_t *buf, uint32_t *length);
|
||
|
||
/**
|
||
* @brief Read PHY register
|
||
*
|
||
* @param[in] mac: Ethernet MAC instance
|
||
* @param[in] phy_addr: PHY chip address (0~31)
|
||
* @param[in] phy_reg: PHY register index code
|
||
* @param[out] reg_value: PHY register value
|
||
*
|
||
* @return
|
||
* - ESP_OK: read PHY register successfully
|
||
* - ESP_ERR_INVALID_ARG: read PHY register failed because of invalid argument
|
||
* - ESP_ERR_INVALID_STATE: read PHY register failed because of wrong state of MAC
|
||
* - ESP_ERR_TIMEOUT: read PHY register failed because of timeout
|
||
* - ESP_FAIL: read PHY register failed because some other error occurred
|
||
*
|
||
*/
|
||
esp_err_t (*read_phy_reg)(esp_eth_mac_t *mac, uint32_t phy_addr, uint32_t phy_reg, uint32_t *reg_value);
|
||
|
||
/**
|
||
* @brief Write PHY register
|
||
*
|
||
* @param[in] mac: Ethernet MAC instance
|
||
* @param[in] phy_addr: PHY chip address (0~31)
|
||
* @param[in] phy_reg: PHY register index code
|
||
* @param[in] reg_value: PHY register value
|
||
*
|
||
* @return
|
||
* - ESP_OK: write PHY register successfully
|
||
* - ESP_ERR_INVALID_STATE: write PHY register failed because of wrong state of MAC
|
||
* - ESP_ERR_TIMEOUT: write PHY register failed because of timeout
|
||
* - ESP_FAIL: write PHY register failed because some other error occurred
|
||
*
|
||
*/
|
||
esp_err_t (*write_phy_reg)(esp_eth_mac_t *mac, uint32_t phy_addr, uint32_t phy_reg, uint32_t reg_value);
|
||
|
||
/**
|
||
* @brief Set MAC address
|
||
*
|
||
* @param[in] mac: Ethernet MAC instance
|
||
* @param[in] addr: MAC address
|
||
*
|
||
* @return
|
||
* - ESP_OK: set MAC address successfully
|
||
* - ESP_ERR_INVALID_ARG: set MAC address failed because of invalid argument
|
||
* - ESP_FAIL: set MAC address failed because some other error occurred
|
||
*
|
||
*/
|
||
esp_err_t (*set_addr)(esp_eth_mac_t *mac, uint8_t *addr);
|
||
|
||
/**
|
||
* @brief Get MAC address
|
||
*
|
||
* @param[in] mac: Ethernet MAC instance
|
||
* @param[out] addr: MAC address
|
||
*
|
||
* @return
|
||
* - ESP_OK: get MAC address successfully
|
||
* - ESP_ERR_INVALID_ARG: get MAC address failed because of invalid argument
|
||
* - ESP_FAIL: get MAC address failed because some other error occurred
|
||
*
|
||
*/
|
||
esp_err_t (*get_addr)(esp_eth_mac_t *mac, uint8_t *addr);
|
||
|
||
/**
|
||
* @brief Set speed of MAC
|
||
*
|
||
* @param[in] ma:c Ethernet MAC instance
|
||
* @param[in] speed: MAC speed
|
||
*
|
||
* @return
|
||
* - ESP_OK: set MAC speed successfully
|
||
* - ESP_ERR_INVALID_ARG: set MAC speed failed because of invalid argument
|
||
* - ESP_FAIL: set MAC speed failed because some other error occurred
|
||
*
|
||
*/
|
||
esp_err_t (*set_speed)(esp_eth_mac_t *mac, eth_speed_t speed);
|
||
|
||
/**
|
||
* @brief Set duplex mode of MAC
|
||
*
|
||
* @param[in] mac: Ethernet MAC instance
|
||
* @param[in] duplex: MAC duplex
|
||
*
|
||
* @return
|
||
* - ESP_OK: set MAC duplex mode successfully
|
||
* - ESP_ERR_INVALID_ARG: set MAC duplex failed because of invalid argument
|
||
* - ESP_FAIL: set MAC duplex failed because some other error occurred
|
||
*
|
||
*/
|
||
esp_err_t (*set_duplex)(esp_eth_mac_t *mac, eth_duplex_t duplex);
|
||
|
||
/**
|
||
* @brief Set link status of MAC
|
||
*
|
||
* @param[in] mac: Ethernet MAC instance
|
||
* @param[in] link: Link status
|
||
*
|
||
* @return
|
||
* - ESP_OK: set link status successfully
|
||
* - ESP_ERR_INVALID_ARG: set link status failed because of invalid argument
|
||
* - ESP_FAIL: set link status failed because some other error occurred
|
||
*
|
||
*/
|
||
esp_err_t (*set_link)(esp_eth_mac_t *mac, eth_link_t link);
|
||
|
||
/**
|
||
* @brief Set promiscuous of MAC
|
||
*
|
||
* @param[in] mac: Ethernet MAC instance
|
||
* @param[in] enable: set true to enable promiscuous mode; set false to disable promiscuous mode
|
||
*
|
||
* @return
|
||
* - ESP_OK: set promiscuous mode successfully
|
||
* - ESP_FAIL: set promiscuous mode failed because some error occurred
|
||
*
|
||
*/
|
||
esp_err_t (*set_promiscuous)(esp_eth_mac_t *mac, bool enable);
|
||
|
||
/**
|
||
* @brief Enable flow control on MAC layer or not
|
||
*
|
||
* @param[in] mac: Ethernet MAC instance
|
||
* @param[in] enable: set true to enable flow control; set false to disable flow control
|
||
*
|
||
* @return
|
||
* - ESP_OK: set flow control successfully
|
||
* - ESP_FAIL: set flow control failed because some error occurred
|
||
*
|
||
*/
|
||
esp_err_t (*enable_flow_ctrl)(esp_eth_mac_t *mac, bool enable);
|
||
|
||
/**
|
||
* @brief Set the PAUSE ability of peer node
|
||
*
|
||
* @param[in] mac: Ethernet MAC instance
|
||
* @param[in] ability: zero indicates that pause function is supported by link partner; non-zero indicates that pause function is not supported by link partner
|
||
*
|
||
* @return
|
||
* - ESP_OK: set peer pause ability successfully
|
||
* - ESP_FAIL: set peer pause ability failed because some error occurred
|
||
*/
|
||
esp_err_t (*set_peer_pause_ability)(esp_eth_mac_t *mac, uint32_t ability);
|
||
|
||
/**
|
||
* @brief Custom IO function of MAC driver. This function is intended to extend common options of esp_eth_ioctl to cover specifics of MAC chip.
|
||
*
|
||
* @note This function may not be assigned when the MAC chip supports only most common set of configuration options.
|
||
*
|
||
* @param[in] mac: Ethernet MAC instance
|
||
* @param[in] cmd: IO control command
|
||
* @param[in, out] data: address of data for `set` command or address where to store the data when used with `get` command
|
||
*
|
||
* @return
|
||
* - ESP_OK: process io command successfully
|
||
* - ESP_ERR_INVALID_ARG: process io command failed because of some invalid argument
|
||
* - ESP_FAIL: process io command failed because some other error occurred
|
||
* - ESP_ERR_NOT_SUPPORTED: requested feature is not supported
|
||
*/
|
||
esp_err_t (*custom_ioctl)(esp_eth_mac_t *mac, uint32_t cmd, void *data);
|
||
|
||
/**
|
||
* @brief Free memory of Ethernet MAC
|
||
*
|
||
* @param[in] mac: Ethernet MAC instance
|
||
*
|
||
* @return
|
||
* - ESP_OK: free Ethernet MAC instance successfully
|
||
* - ESP_FAIL: free Ethernet MAC instance failed because some error occurred
|
||
*
|
||
*/
|
||
esp_err_t (*del)(esp_eth_mac_t *mac);
|
||
};
|
||
|
||
/**
|
||
* @brief RMII Clock Mode Options
|
||
*
|
||
*/
|
||
typedef enum {
|
||
/**
|
||
* @brief Default values configured using Kconfig are going to be used when "Default" selected.
|
||
*
|
||
*/
|
||
EMAC_CLK_DEFAULT,
|
||
|
||
/**
|
||
* @brief Input RMII Clock from external. EMAC Clock GPIO number needs to be configured when this option is selected.
|
||
*
|
||
* @note MAC will get RMII clock from outside. Note that ESP32 only supports GPIO0 to input the RMII clock.
|
||
*
|
||
*/
|
||
EMAC_CLK_EXT_IN,
|
||
|
||
/**
|
||
* @brief Output RMII Clock from internal APLL Clock. EMAC Clock GPIO number needs to be configured when this option is selected.
|
||
*
|
||
*/
|
||
EMAC_CLK_OUT
|
||
} emac_rmii_clock_mode_t;
|
||
|
||
/**
|
||
* @brief RMII Clock GPIO number Options
|
||
*
|
||
*/
|
||
typedef enum {
|
||
/**
|
||
* @brief MAC will get RMII clock from outside at this GPIO.
|
||
*
|
||
* @note ESP32 only supports GPIO0 to input the RMII clock.
|
||
*
|
||
*/
|
||
EMAC_CLK_IN_GPIO = 0,
|
||
|
||
/**
|
||
* @brief Output RMII Clock from internal APLL Clock available at GPIO0
|
||
*
|
||
* @note GPIO0 can be set to output a pre-divided PLL clock (test only!). Enabling this option will configure GPIO0 to output a 50MHz clock.
|
||
* In fact this clock doesn’t have directly relationship with EMAC peripheral. Sometimes this clock won’t work well with your PHY chip.
|
||
* You might need to add some extra devices after GPIO0 (e.g. inverter). Note that outputting RMII clock on GPIO0 is an experimental practice.
|
||
* If you want the Ethernet to work with WiFi, don’t select GPIO0 output mode for stability.
|
||
*
|
||
*/
|
||
EMAC_APPL_CLK_OUT_GPIO = 0,
|
||
|
||
/**
|
||
* @brief Output RMII Clock from internal APLL Clock available at GPIO16
|
||
*
|
||
*/
|
||
EMAC_CLK_OUT_GPIO = 16,
|
||
|
||
/**
|
||
* @brief Inverted Output RMII Clock from internal APLL Clock available at GPIO17
|
||
*
|
||
*/
|
||
EMAC_CLK_OUT_180_GPIO = 17
|
||
} emac_rmii_clock_gpio_t;
|
||
|
||
/**
|
||
* @brief Ethernet MAC Clock Configuration
|
||
*
|
||
*/
|
||
typedef union {
|
||
struct {
|
||
// MII interface is not fully implemented...
|
||
// Reserved for GPIO number, clock source, etc. in MII mode
|
||
} mii; /*!< EMAC MII Clock Configuration */
|
||
struct {
|
||
emac_rmii_clock_mode_t clock_mode; /*!< RMII Clock Mode Configuration */
|
||
emac_rmii_clock_gpio_t clock_gpio; /*!< RMII Clock GPIO Configuration */
|
||
} rmii; /*!< EMAC RMII Clock Configuration */
|
||
} eth_mac_clock_config_t;
|
||
|
||
/**
|
||
* @brief Configuration of Ethernet MAC object
|
||
*
|
||
*/
|
||
typedef struct {
|
||
uint32_t sw_reset_timeout_ms; /*!< Software reset timeout value (Unit: ms) */
|
||
uint32_t rx_task_stack_size; /*!< Stack size of the receive task */
|
||
uint32_t rx_task_prio; /*!< Priority of the receive task */
|
||
uint32_t flags; /*!< Flags that specify extra capability for mac driver */
|
||
} eth_mac_config_t;
|
||
|
||
#define ETH_MAC_FLAG_WORK_WITH_CACHE_DISABLE (1 << 0) /*!< MAC driver can work when cache is disabled */
|
||
#define ETH_MAC_FLAG_PIN_TO_CORE (1 << 1) /*!< Pin MAC task to the CPU core where driver installation happened */
|
||
|
||
/**
|
||
* @brief Default configuration for Ethernet MAC object
|
||
*
|
||
*/
|
||
#define ETH_MAC_DEFAULT_CONFIG() \
|
||
{ \
|
||
.sw_reset_timeout_ms = 100, \
|
||
.rx_task_stack_size = 2048, \
|
||
.rx_task_prio = 15, \
|
||
.flags = 0, \
|
||
}
|
||
|
||
#if CONFIG_ETH_USE_ESP32_EMAC
|
||
/**
|
||
* @brief EMAC specific configuration
|
||
*
|
||
*/
|
||
typedef struct {
|
||
int smi_mdc_gpio_num; /*!< SMI MDC GPIO number, set to -1 could bypass the SMI GPIO configuration */
|
||
int smi_mdio_gpio_num; /*!< SMI MDIO GPIO number, set to -1 could bypass the SMI GPIO configuration */
|
||
eth_data_interface_t interface; /*!< EMAC Data interface to PHY (MII/RMII) */
|
||
eth_mac_clock_config_t clock_config; /*!< EMAC Interface clock configuration */
|
||
eth_mac_dma_burst_len_t dma_burst_len; /*!< EMAC DMA burst length for both Tx and Rx */
|
||
} eth_esp32_emac_config_t;
|
||
|
||
/**
|
||
* @brief Default ESP32's EMAC specific configuration
|
||
*
|
||
*/
|
||
#define ETH_ESP32_EMAC_DEFAULT_CONFIG() \
|
||
{ \
|
||
.smi_mdc_gpio_num = 23, \
|
||
.smi_mdio_gpio_num = 18, \
|
||
.interface = EMAC_DATA_INTERFACE_RMII, \
|
||
.clock_config = \
|
||
{ \
|
||
.rmii = \
|
||
{ \
|
||
.clock_mode = EMAC_CLK_DEFAULT, \
|
||
.clock_gpio = EMAC_CLK_IN_GPIO \
|
||
} \
|
||
}, \
|
||
.dma_burst_len = ETH_DMA_BURST_LEN_32 \
|
||
}
|
||
|
||
/**
|
||
* @brief Create ESP32 Ethernet MAC instance
|
||
*
|
||
* @param esp32_config: EMAC specific configuration
|
||
* @param config: Ethernet MAC configuration
|
||
*
|
||
* @return
|
||
* - instance: create MAC instance successfully
|
||
* - NULL: create MAC instance failed because some error occurred
|
||
*/
|
||
esp_eth_mac_t *esp_eth_mac_new_esp32(const eth_esp32_emac_config_t *esp32_config, const eth_mac_config_t *config);
|
||
#endif // CONFIG_ETH_USE_ESP32_EMAC
|
||
|
||
#if CONFIG_ETH_SPI_ETHERNET_DM9051
|
||
/**
|
||
* @brief DM9051 specific configuration
|
||
*
|
||
*/
|
||
typedef struct {
|
||
void *spi_hdl; /*!< Handle of SPI device driver */
|
||
int int_gpio_num; /*!< Interrupt GPIO number */
|
||
} eth_dm9051_config_t;
|
||
|
||
/**
|
||
* @brief Default DM9051 specific configuration
|
||
*
|
||
*/
|
||
#define ETH_DM9051_DEFAULT_CONFIG(spi_device) \
|
||
{ \
|
||
.spi_hdl = spi_device, \
|
||
.int_gpio_num = 4, \
|
||
}
|
||
|
||
/**
|
||
* @brief Create DM9051 Ethernet MAC instance
|
||
*
|
||
* @param dm9051_config: DM9051 specific configuration
|
||
* @param mac_config: Ethernet MAC configuration
|
||
*
|
||
* @return
|
||
* - instance: create MAC instance successfully
|
||
* - NULL: create MAC instance failed because some error occurred
|
||
*/
|
||
esp_eth_mac_t *esp_eth_mac_new_dm9051(const eth_dm9051_config_t *dm9051_config, const eth_mac_config_t *mac_config);
|
||
#endif // CONFIG_ETH_SPI_ETHERNET_DM9051
|
||
|
||
#if CONFIG_ETH_SPI_ETHERNET_W5500
|
||
/**
|
||
* @brief W5500 specific configuration
|
||
*
|
||
*/
|
||
typedef struct {
|
||
void *spi_hdl; /*!< Handle of SPI device driver */
|
||
int int_gpio_num; /*!< Interrupt GPIO number */
|
||
} eth_w5500_config_t;
|
||
|
||
/**
|
||
* @brief Default W5500 specific configuration
|
||
*
|
||
*/
|
||
#define ETH_W5500_DEFAULT_CONFIG(spi_device) \
|
||
{ \
|
||
.spi_hdl = spi_device, \
|
||
.int_gpio_num = 4, \
|
||
}
|
||
|
||
/**
|
||
* @brief Create W5500 Ethernet MAC instance
|
||
*
|
||
* @param w5500_config: W5500 specific configuration
|
||
* @param mac_config: Ethernet MAC configuration
|
||
*
|
||
* @return
|
||
* - instance: create MAC instance successfully
|
||
* - NULL: create MAC instance failed because some error occurred
|
||
*/
|
||
esp_eth_mac_t *esp_eth_mac_new_w5500(const eth_w5500_config_t *w5500_config, const eth_mac_config_t *mac_config);
|
||
#endif // CONFIG_ETH_SPI_ETHERNET_W5500
|
||
|
||
#if CONFIG_ETH_SPI_ETHERNET_KSZ8851SNL
|
||
/**
|
||
* @brief KSZ8851SNL specific configuration
|
||
*
|
||
*/
|
||
typedef struct {
|
||
void *spi_hdl; /*!< Handle of SPI device driver */
|
||
int int_gpio_num; /*!< Interrupt GPIO number */
|
||
} eth_ksz8851snl_config_t;
|
||
|
||
/**
|
||
* @brief Default KSZ8851SNL specific configuration
|
||
*
|
||
*/
|
||
#define ETH_KSZ8851SNL_DEFAULT_CONFIG(spi_device) \
|
||
{ \
|
||
.spi_hdl = spi_device, \
|
||
.int_gpio_num = 14, \
|
||
}
|
||
|
||
/**
|
||
* @brief Create KSZ8851SNL Ethernet MAC instance
|
||
*
|
||
* @param ksz8851snl_config: KSZ8851SNL specific configuration
|
||
* @param mac_config: Ethernet MAC configuration
|
||
*
|
||
* @return
|
||
* - instance: create MAC instance successfully
|
||
* - NULL: create MAC instance failed because some error occurred
|
||
*/
|
||
esp_eth_mac_t *esp_eth_mac_new_ksz8851snl(const eth_ksz8851snl_config_t *ksz8851snl_config, const eth_mac_config_t *mac_config);
|
||
#endif // CONFIG_ETH_SPI_ETHERNET_KSZ8851
|
||
|
||
#if CONFIG_ETH_USE_OPENETH
|
||
/**
|
||
* @brief Create OpenCores Ethernet MAC instance
|
||
*
|
||
* @param config: Ethernet MAC configuration
|
||
*
|
||
* @return
|
||
* - instance: create MAC instance successfully
|
||
* - NULL: create MAC instance failed because some error occurred
|
||
*/
|
||
esp_eth_mac_t *esp_eth_mac_new_openeth(const eth_mac_config_t *config);
|
||
#endif // CONFIG_ETH_USE_OPENETH
|
||
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif
|