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106 lines
2.7 KiB
106 lines
2.7 KiB
/*
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WIFI MODULE
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Copyright (C) 2016-2019 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#pragma once
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#include <Arduino.h>
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#include <lwip/init.h>
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#if LWIP_VERSION_MAJOR == 1
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#include <netif/etharp.h>
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#elif LWIP_VERSION_MAJOR >= 2
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#include <lwip/etharp.h>
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#endif
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// (HACK) allow us to use internal lwip struct.
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// esp8266 re-defines enum values from tcp header... include them first
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#define LWIP_INTERNAL
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#include <ESP8266WiFi.h>
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#include <Ticker.h>
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#undef LWIP_INTERNAL
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extern "C" {
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#include <lwip/opt.h>
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#include <lwip/ip.h>
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#include <lwip/tcp.h>
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#include <lwip/inet.h> // ip_addr_t
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#include <lwip/err.h> // ERR_x
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#include <lwip/dns.h> // dns_gethostbyname
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#include <lwip/ip_addr.h> // ip4/ip6 helpers
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};
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// ref: https://github.com/me-no-dev/ESPAsyncTCP/pull/115/files#diff-e2e636049095cc1ff920c1bfabf6dcacR8
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// This is missing with Core 2.3.0 and is sometimes missing from the build flags. Assume HIGH_BANDWIDTH version.
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#ifndef TCP_MSS
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#define TCP_MSS (1460)
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#endif
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namespace wifi {
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enum class Event {
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Initial, // aka boot
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Mode, // when opmode changes
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StationInit, // station initialized by the connetion routine
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StationScan, // scanning before the connection
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StationConnecting, // network was selected and connection is in progress
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StationConnected, // successful connection
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StationDisconnected, // disconnected from the current network
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StationTimeout, // timeout after the previous connecting state
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StationReconnect // timeout after all connection loops failed
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};
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using EventCallback = void(*)(Event event);
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enum class StaMode {
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Disabled,
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Enabled
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};
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enum class ApMode {
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Disabled,
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Enabled,
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Fallback
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};
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} // namespace wifi
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// Note that 'connected' status is *only* for the WiFi STA.
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// Overall connectivity depends on low-level network stack and it may be
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// useful to check whether relevant interfaces are up and have a routable IP
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// instead of exclusively depending on the WiFi API.
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// (e.g. when we have injected ethernet, wireguard, etc. interfaces.
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// esp8266 implementation specifically uses lwip, ref. `netif_list`)
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bool wifiConnected();
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// Whether the AP is up and running
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bool wifiConnectable();
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// Current STA connection
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String wifiStaSsid();
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IPAddress wifiStaIp();
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// Request to change the current STA / AP status
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// Current state persists until reset or configuration reload
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void wifiStartAp();
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void wifiToggleAp();
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void wifiToggleSta();
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// Disconnects STA intefrace
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// (and will immediatly trigger a reconnection)
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void wifiDisconnect();
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// Toggle WiFi modem
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void wifiTurnOff();
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void wifiTurnOn();
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// Trigger fallback check for the AP
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void wifiApCheck();
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void wifiRegister(wifi::EventCallback);
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void wifiSetup();
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