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93 lines
2.7 KiB
93 lines
2.7 KiB
/* Common functions for protocol examples, to establish Wi-Fi or Ethernet connection.
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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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_err.h"
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#include "esp_netif.h"
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#include "esp_eth.h"
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#ifdef CONFIG_EXAMPLE_CONNECT_ETHERNET
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#define EXAMPLE_INTERFACE get_example_netif()
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#endif
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#ifdef CONFIG_EXAMPLE_CONNECT_WIFI
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#define EXAMPLE_INTERFACE get_example_netif()
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#endif
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#if !defined (CONFIG_EXAMPLE_CONNECT_ETHERNET) && !defined (CONFIG_EXAMPLE_CONNECT_WIFI)
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// This is useful for some tests which do not need a network connection
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#define EXAMPLE_INTERFACE NULL
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#endif
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/**
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* @brief Configure Wi-Fi or Ethernet, connect, wait for IP
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*
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* This all-in-one helper function is used in protocols examples to
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* reduce the amount of boilerplate in the example.
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*
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* It is not intended to be used in real world applications.
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* See examples under examples/wifi/getting_started/ and examples/ethernet/
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* for more complete Wi-Fi or Ethernet initialization code.
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*
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* Read "Establishing Wi-Fi or Ethernet Connection" section in
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* examples/protocols/README.md for more information about this function.
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*
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* @return ESP_OK on successful connection
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*/
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esp_err_t example_connect(void);
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/**
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* Counterpart to example_connect, de-initializes Wi-Fi or Ethernet
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*/
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esp_err_t example_disconnect(void);
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/**
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* @brief Configure stdin and stdout to use blocking I/O
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*
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* This helper function is used in ASIO examples. It wraps installing the
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* UART driver and configuring VFS layer to use UART driver for console I/O.
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*/
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esp_err_t example_configure_stdin_stdout(void);
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/**
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* @brief Returns esp-netif pointer created by example_connect()
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*
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* @note If multiple interfaces active at once, this API return NULL
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* In that case the get_example_netif_from_desc() should be used
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* to get esp-netif pointer based on interface description
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*/
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esp_netif_t *get_example_netif(void);
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/**
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* @brief Returns esp-netif pointer created by example_connect() described by
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* the supplied desc field
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*
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* @param desc Textual interface of created network interface, for example "sta"
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* indicate default WiFi station, "eth" default Ethernet interface.
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*
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*/
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esp_netif_t *get_example_netif_from_desc(const char *desc);
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#ifdef CONFIG_EXAMPLE_CONNECT_ETHERNET
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/**
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* @brief Get the example Ethernet driver handle
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*
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* @return esp_eth_handle_t
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*/
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esp_eth_handle_t get_example_eth_handle(void);
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#endif // CONFIG_EXAMPLE_CONNECT_ETHERNET
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#ifdef __cplusplus
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}
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#endif
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