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Tasmota/tasmota/support_wifi.ino

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/*
support_wifi.ino - wifi support for Tasmota
Copyright (C) 2020 Theo Arends
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*********************************************************************************************\
* Wifi
\*********************************************************************************************/
// Enable one of three below options for wifi re-connection debugging
//#define WIFI_FORCE_RF_CAL_ERASE // Erase rf calibration sector on restart only
//#define WIFI_RF_MODE_RF_CAL // Set RF_MODE to RF_CAL for restart and deepsleep during user_rf_pre_init
//#define WIFI_RF_PRE_INIT // Set RF_MODE to RF_CAL for restart, deepsleep and power on during user_rf_pre_init
#ifndef WIFI_RSSI_THRESHOLD
#define WIFI_RSSI_THRESHOLD 10 // Difference in dB between current network and scanned network
#endif
#ifndef WIFI_RESCAN_MINUTES
#define WIFI_RESCAN_MINUTES 44 // Number of minutes between wifi network rescan
#endif
const uint8_t WIFI_CONFIG_SEC = 180; // seconds before restart
const uint8_t WIFI_CHECK_SEC = 20; // seconds
const uint8_t WIFI_RETRY_OFFSET_SEC = 12; // seconds
#include <ESP8266WiFi.h> // Wifi, MQTT, Ota, WifiManager
#if LWIP_IPV6
#include <AddrList.h> // IPv6 DualStack
#endif // LWIP_IPV6=1
struct WIFI {
uint32_t last_event = 0; // Last wifi connection event
uint32_t downtime = 0; // Wifi down duration
uint16_t link_count = 0; // Number of wifi re-connect
uint8_t counter;
uint8_t retry_init;
uint8_t retry;
uint8_t status;
uint8_t config_type = 0;
uint8_t config_counter = 0;
uint8_t mdns_begun = 0; // mDNS active
uint8_t scan_state;
uint8_t bssid[6];
int8_t best_network_db;
} Wifi;
int WifiGetRssiAsQuality(int rssi)
{
int quality = 0;
if (rssi <= -100) {
quality = 0;
} else if (rssi >= -50) {
quality = 100;
} else {
quality = 2 * (rssi + 100);
}
return quality;
}
bool WifiConfigCounter(void)
{
if (Wifi.config_counter) {
Wifi.config_counter = WIFI_CONFIG_SEC;
}
return (Wifi.config_counter);
}
void WifiConfig(uint8_t type)
{
if (!Wifi.config_type) {
if ((WIFI_RETRY == type) || (WIFI_WAIT == type)) { return; }
#ifdef USE_EMULATION
UdpDisconnect();
#endif // USE_EMULATION
WiFi.disconnect(); // Solve possible Wifi hangs
Wifi.config_type = type;
#ifndef USE_WEBSERVER
if (WIFI_MANAGER == Wifi.config_type) {
Wifi.config_type = WIFI_SERIAL;
}
#endif // USE_WEBSERVER
Wifi.config_counter = WIFI_CONFIG_SEC; // Allow up to WIFI_CONFIG_SECS seconds for phone to provide ssid/pswd
Wifi.counter = Wifi.config_counter +5;
blinks = 1999;
if (WIFI_RESTART == Wifi.config_type) {
restart_flag = 2;
}
else if (WIFI_SERIAL == Wifi.config_type) {
AddLog_P(LOG_LEVEL_INFO, S_LOG_WIFI, PSTR(D_WCFG_6_SERIAL " " D_ACTIVE_FOR_3_MINUTES));
}
#ifdef USE_WEBSERVER
else if (WIFI_MANAGER == Wifi.config_type || WIFI_MANAGER_RESET_ONLY == Wifi.config_type) {
AddLog_P(LOG_LEVEL_INFO, S_LOG_WIFI, PSTR(D_WCFG_2_WIFIMANAGER " " D_ACTIVE_FOR_3_MINUTES));
WifiManagerBegin(WIFI_MANAGER_RESET_ONLY == Wifi.config_type);
}
#endif // USE_WEBSERVER
}
}
void WifiSetMode(WiFiMode_t wifi_mode)
{
if (WiFi.getMode() == wifi_mode) { return; }
if (wifi_mode != WIFI_OFF) {
// See: https://github.com/esp8266/Arduino/issues/6172#issuecomment-500457407
WiFi.forceSleepWake(); // Make sure WiFi is really active.
delay(100);
}
uint32_t retry = 2;
while (!WiFi.mode(wifi_mode) && retry--) {
AddLog_P(LOG_LEVEL_INFO, S_LOG_WIFI, PSTR("Retry set Mode..."));
delay(100);
}
if (wifi_mode == WIFI_OFF) {
delay(1000);
WiFi.forceSleepBegin();
delay(1);
} else {
delay(30); // Must allow for some time to init.
}
}
void WiFiSetSleepMode(void)
{
/* Excerpt from the esp8266 non os sdk api reference (v2.2.1):
* Sets sleep type for power saving. Set WIFI_NONE_SLEEP to disable power saving.
* - Default mode: WIFI_MODEM_SLEEP.
* - In order to lower the power comsumption, ESP8266 changes the TCP timer
* tick from 250ms to 3s in WIFI_LIGHT_SLEEP mode, which leads to increased timeout for
* TCP timer. Therefore, the WIFI_MODEM_SLEEP or deep-sleep mode should be used
* where there is a requirement for the accurancy of the TCP timer.
*
* Sleep is disabled in core 2.4.1 and 2.4.2 as there are bugs in their SDKs
* See https://github.com/arendst/Tasmota/issues/2559
*/
// Sleep explanation: https://github.com/esp8266/Arduino/blob/3f0c601cfe81439ce17e9bd5d28994a7ed144482/libraries/ESP8266WiFi/src/ESP8266WiFiGeneric.cpp#L255
#if defined(ARDUINO_ESP8266_RELEASE_2_4_1) || defined(ARDUINO_ESP8266_RELEASE_2_4_2)
#else // Enabled in 2.3.0, 2.4.0 and stage
if (ssleep && Settings.flag3.sleep_normal) { // SetOption60 - Enable normal sleep instead of dynamic sleep
WiFi.setSleepMode(WIFI_LIGHT_SLEEP); // Allow light sleep during idle times
} else {
WiFi.setSleepMode(WIFI_MODEM_SLEEP); // Disable sleep (Esp8288/Arduino core and sdk default)
}
#endif
WifiSetOutputPower();
}
void WifiBegin(uint8_t flag, uint8_t channel)
{
const char kWifiPhyMode[] = " BGN";
#ifdef USE_EMULATION
UdpDisconnect();
#endif // USE_EMULATION
#ifdef ARDUINO_ESP8266_RELEASE_2_3_0 // (!strncmp_P(ESP.getSdkVersion(),PSTR("1.5.3"),5))
AddLog_P(LOG_LEVEL_DEBUG, S_LOG_WIFI, PSTR(D_PATCH_ISSUE_2186));
// WiFi.mode(WIFI_OFF); // See https://github.com/esp8266/Arduino/issues/2186
WifiSetMode(WIFI_OFF);
#endif
WiFi.persistent(false); // Solve possible wifi init errors (re-add at 6.2.1.16 #4044, #4083)
WiFi.disconnect(true); // Delete SDK wifi config
delay(200);
// WiFi.mode(WIFI_STA); // Disable AP mode
WifiSetMode(WIFI_STA);
WiFiSetSleepMode();
// if (WiFi.getPhyMode() != WIFI_PHY_MODE_11N) { WiFi.setPhyMode(WIFI_PHY_MODE_11N); } // B/G/N
// if (WiFi.getPhyMode() != WIFI_PHY_MODE_11G) { WiFi.setPhyMode(WIFI_PHY_MODE_11G); } // B/G
if (!WiFi.getAutoConnect()) { WiFi.setAutoConnect(true); }
// WiFi.setAutoReconnect(true);
switch (flag) {
case 0: // AP1
case 1: // AP2
Settings.sta_active = flag;
break;
case 2: // Toggle
Settings.sta_active ^= 1;
} // 3: Current AP
if (!strlen(SettingsText(SET_STASSID1 + Settings.sta_active))) {
Settings.sta_active ^= 1; // Skip empty SSID
}
if (Settings.ip_address[0]) {
WiFi.config(Settings.ip_address[0], Settings.ip_address[1], Settings.ip_address[2], Settings.ip_address[3]); // Set static IP
}
WiFi.hostname(my_hostname);
char stemp[40] = { 0 };
if (channel) {
WiFi.begin(SettingsText(SET_STASSID1 + Settings.sta_active), SettingsText(SET_STAPWD1 + Settings.sta_active), channel, Wifi.bssid);
// Add connected BSSID and channel for multi-AP installations
char hex_char[18];
snprintf_P(stemp, sizeof(stemp), PSTR(" Channel %d BSSId %s"), channel, ToHex_P((unsigned char*)Wifi.bssid, 6, hex_char, sizeof(hex_char), ':'));
} else {
WiFi.begin(SettingsText(SET_STASSID1 + Settings.sta_active), SettingsText(SET_STAPWD1 + Settings.sta_active));
}
AddLog_P2(LOG_LEVEL_INFO, PSTR(D_LOG_WIFI D_CONNECTING_TO_AP "%d %s%s " D_IN_MODE " 11%c " D_AS " %s..."),
Settings.sta_active +1, SettingsText(SET_STASSID1 + Settings.sta_active), stemp, kWifiPhyMode[WiFi.getPhyMode() & 0x3], my_hostname);
#if LWIP_IPV6
for (bool configured = false; !configured;) {
uint16_t cfgcnt = 0;
for (auto addr : addrList) {
if ((configured = !addr.isLocal() && addr.isV6()) || cfgcnt==30) {
AddLog_P2(LOG_LEVEL_INFO, PSTR(D_LOG_WIFI "Got IPv6 global address %s"), addr.toString().c_str());
break; // IPv6 is mandatory but stop after 15 seconds
}
delay(500); // Loop until real IPv6 address is aquired or too many tries failed
cfgcnt++;
}
}
#endif // LWIP_IPV6=1
}
void WifiBeginAfterScan(void)
{
// Not active
if (0 == Wifi.scan_state) { return; }
// Init scan when not connected
if (1 == Wifi.scan_state) {
memset((void*) &Wifi.bssid, 0, sizeof(Wifi.bssid));
Wifi.best_network_db = -127;
Wifi.scan_state = 3;
}
// Init scan when connected
if (2 == Wifi.scan_state) {
uint8_t* bssid = WiFi.BSSID(); // Get current bssid
memcpy((void*) &Wifi.bssid, (void*) bssid, sizeof(Wifi.bssid));
Wifi.best_network_db = WiFi.RSSI(); // Get current rssi and add threshold
if (Wifi.best_network_db < -WIFI_RSSI_THRESHOLD) {
Wifi.best_network_db += WIFI_RSSI_THRESHOLD;
}
Wifi.scan_state = 3;
}
// Init scan
if (3 == Wifi.scan_state) {
if (WiFi.scanComplete() != WIFI_SCAN_RUNNING) {
WiFi.scanNetworks(true); // Start wifi scan async
Wifi.scan_state++;
AddLog_P(LOG_LEVEL_DEBUG, S_LOG_WIFI, PSTR("Network (re)scan started..."));
return;
}
}
int8_t wifi_scan_result = WiFi.scanComplete();
// Check scan done
if (4 == Wifi.scan_state) {
if (wifi_scan_result != WIFI_SCAN_RUNNING) {
Wifi.scan_state++;
}
}
// Scan done
if (5 == Wifi.scan_state) {
int32_t channel = 0; // No scan result
int8_t ap = 3; // AP default if not found
uint8_t last_bssid[6]; // Save last bssid
memcpy((void*) &last_bssid, (void*) &Wifi.bssid, sizeof(last_bssid));
if (wifi_scan_result > 0) {
// Networks found
for (uint32_t i = 0; i < wifi_scan_result; ++i) {
String ssid_scan;
int32_t rssi_scan;
uint8_t sec_scan;
uint8_t* bssid_scan;
int32_t chan_scan;
bool hidden_scan;
WiFi.getNetworkInfo(i, ssid_scan, sec_scan, rssi_scan, bssid_scan, chan_scan, hidden_scan);
bool known = false;
uint32_t j;
for (j = 0; j < MAX_SSIDS; j++) {
if (ssid_scan == SettingsText(SET_STASSID1 + j)) { // SSID match
known = true;
if (rssi_scan > Wifi.best_network_db) { // Best network
if (sec_scan == ENC_TYPE_NONE || SettingsText(SET_STAPWD1 + j)) { // Check for passphrase if not open wlan
Wifi.best_network_db = (int8_t)rssi_scan;
channel = chan_scan;
ap = j; // AP1 or AP2
memcpy((void*) &Wifi.bssid, (void*) bssid_scan, sizeof(Wifi.bssid));
}
}
break;
}
}
char hex_char[18];
AddLog_P2(LOG_LEVEL_DEBUG, PSTR(D_LOG_WIFI "Network %d, AP%c, SSId %s, Channel %d, BSSId %s, RSSI %d, Encryption %d"),
i,
(known) ? (j) ? '2' : '1' : '-',
ssid_scan.c_str(),
chan_scan,
ToHex_P((unsigned char*)bssid_scan, 6, hex_char, sizeof(hex_char), ':'),
rssi_scan,
(sec_scan == ENC_TYPE_NONE) ? 0 : 1);
delay(0);
}
WiFi.scanDelete(); // Clean up Ram
delay(0);
}
Wifi.scan_state = 0;
// If bssid changed then (re)connect wifi
for (uint32_t i = 0; i < sizeof(Wifi.bssid); i++) {
if (last_bssid[i] != Wifi.bssid[i]) {
WifiBegin(ap, channel); // 0 (AP1), 1 (AP2) or 3 (default AP)
break;
}
}
}
}
uint16_t WifiLinkCount(void)
{
return Wifi.link_count;
}
String WifiDowntime(void)
{
return GetDuration(Wifi.downtime);
}
void WifiSetState(uint8_t state)
{
if (state == global_state.wifi_down) {
if (state) {
rules_flag.wifi_connected = 1;
Wifi.link_count++;
Wifi.downtime += UpTime() - Wifi.last_event;
} else {
rules_flag.wifi_disconnected = 1;
Wifi.last_event = UpTime();
}
}
global_state.wifi_down = state ^1;
}
#if LWIP_IPV6
bool WifiCheckIPv6(void)
{
bool ipv6_global=false;
for (auto a : addrList) {
if(!a.isLocal() && a.isV6()) ipv6_global=true;
}
return ipv6_global;
}
String WifiGetIPv6(void)
{
for (auto a : addrList) {
if(!a.isLocal() && a.isV6()) return a.toString();
}
return "";
}
bool WifiCheckIPAddrStatus(void) // Return false for 169.254.x.x or fe80::/64
{
bool ip_global=false;
for (auto a : addrList) {
if(!a.isLocal()) ip_global=true;
}
return ip_global;
}
#endif // LWIP_IPV6=1
void WifiCheckIp(void)
{
#if LWIP_IPV6
if(WifiCheckIPAddrStatus()) {
Wifi.status = WL_CONNECTED;
#else
if ((WL_CONNECTED == WiFi.status()) && (static_cast<uint32_t>(WiFi.localIP()) != 0)) {
#endif // LWIP_IPV6=1
WifiSetState(1);
Wifi.counter = WIFI_CHECK_SEC;
Wifi.retry = Wifi.retry_init;
if (Wifi.status != WL_CONNECTED) {
AddLog_P(LOG_LEVEL_INFO, S_LOG_WIFI, PSTR(D_CONNECTED));
// AddLog_P(LOG_LEVEL_INFO, PSTR("Wifi: Set IP addresses"));
Settings.ip_address[1] = (uint32_t)WiFi.gatewayIP();
Settings.ip_address[2] = (uint32_t)WiFi.subnetMask();
Settings.ip_address[3] = (uint32_t)WiFi.dnsIP();
// Save current AP parameters for quick reconnect
Settings.wifi_channel = WiFi.channel();
uint8_t *bssid = WiFi.BSSID();
memcpy((void*) &Settings.wifi_bssid, (void*) bssid, sizeof(Settings.wifi_bssid));
}
Wifi.status = WL_CONNECTED;
#ifdef USE_DISCOVERY
#ifdef WEBSERVER_ADVERTISE
if (2 == Wifi.mdns_begun) {
MDNS.update();
AddLog_P(LOG_LEVEL_DEBUG_MORE, D_LOG_MDNS, "MDNS.update");
}
#endif // USE_DISCOVERY
#endif // WEBSERVER_ADVERTISE
} else {
WifiSetState(0);
uint8_t wifi_config_tool = Settings.sta_config;
Wifi.status = WiFi.status();
switch (Wifi.status) {
case WL_CONNECTED:
AddLog_P(LOG_LEVEL_INFO, S_LOG_WIFI, PSTR(D_CONNECT_FAILED_NO_IP_ADDRESS));
Wifi.status = 0;
Wifi.retry = Wifi.retry_init;
break;
case WL_NO_SSID_AVAIL:
AddLog_P(LOG_LEVEL_INFO, S_LOG_WIFI, PSTR(D_CONNECT_FAILED_AP_NOT_REACHED));
Settings.wifi_channel = 0; // Disable stored AP
if (WIFI_WAIT == Settings.sta_config) {
Wifi.retry = Wifi.retry_init;
} else {
if (Wifi.retry > (Wifi.retry_init / 2)) {
Wifi.retry = Wifi.retry_init / 2;
}
else if (Wifi.retry) {
Wifi.retry = 0;
}
}
break;
case WL_CONNECT_FAILED:
AddLog_P(LOG_LEVEL_INFO, S_LOG_WIFI, PSTR(D_CONNECT_FAILED_WRONG_PASSWORD));
Settings.wifi_channel = 0; // Disable stored AP
if (Wifi.retry > (Wifi.retry_init / 2)) {
Wifi.retry = Wifi.retry_init / 2;
}
else if (Wifi.retry) {
Wifi.retry = 0;
}
break;
default: // WL_IDLE_STATUS and WL_DISCONNECTED
if (!Wifi.retry || ((Wifi.retry_init / 2) == Wifi.retry)) {
AddLog_P(LOG_LEVEL_INFO, S_LOG_WIFI, PSTR(D_CONNECT_FAILED_AP_TIMEOUT));
Settings.wifi_channel = 0; // Disable stored AP
} else {
if (!strlen(SettingsText(SET_STASSID1)) && !strlen(SettingsText(SET_STASSID2))) {
Settings.wifi_channel = 0; // Disable stored AP
wifi_config_tool = WIFI_MANAGER; // Skip empty SSIDs and start Wifi config tool
Wifi.retry = 0;
} else {
AddLog_P(LOG_LEVEL_DEBUG, S_LOG_WIFI, PSTR(D_ATTEMPTING_CONNECTION));
}
}
}
if (Wifi.retry) {
if (Settings.flag3.use_wifi_scan) { // SetOption56 - Scan wifi network at restart for configured AP's
if (Wifi.retry_init == Wifi.retry) {
Wifi.scan_state = 1; // Select scanned SSID
}
} else {
if (Wifi.retry_init == Wifi.retry) {
WifiBegin(3, Settings.wifi_channel); // Select default SSID
}
if ((Settings.sta_config != WIFI_WAIT) && ((Wifi.retry_init / 2) == Wifi.retry)) {
WifiBegin(2, 0); // Select alternate SSID
}
}
Wifi.counter = 1;
Wifi.retry--;
} else {
WifiConfig(wifi_config_tool);
Wifi.counter = 1;
Wifi.retry = Wifi.retry_init;
}
}
}
void WifiCheck(uint8_t param)
{
Wifi.counter--;
switch (param) {
case WIFI_SERIAL:
case WIFI_MANAGER:
WifiConfig(param);
break;
default:
if (Wifi.config_counter) {
Wifi.config_counter--;
Wifi.counter = Wifi.config_counter +5;
if (Wifi.config_counter) {
if (!Wifi.config_counter) {
if (strlen(WiFi.SSID().c_str())) {
SettingsUpdateText(SET_STASSID1, WiFi.SSID().c_str());
}
if (strlen(WiFi.psk().c_str())) {
SettingsUpdateText(SET_STAPWD1, WiFi.psk().c_str());
}
Settings.sta_active = 0;
AddLog_P2(LOG_LEVEL_INFO, PSTR(D_LOG_WIFI D_WCFG_2_WIFIMANAGER D_CMND_SSID "1 %s"), SettingsText(SET_STASSID1));
}
}
if (!Wifi.config_counter) {
// SettingsSdkErase(); // Disabled v6.1.0b due to possible bad wifi connects
restart_flag = 2;
}
} else {
if (Wifi.scan_state) { WifiBeginAfterScan(); }
if (Wifi.counter <= 0) {
AddLog_P(LOG_LEVEL_DEBUG_MORE, S_LOG_WIFI, PSTR(D_CHECKING_CONNECTION));
Wifi.counter = WIFI_CHECK_SEC;
WifiCheckIp();
}
#if LWIP_IPV6
if (WifiCheckIPAddrStatus()) {
#else
if ((WL_CONNECTED == WiFi.status()) && (static_cast<uint32_t>(WiFi.localIP()) != 0) && !Wifi.config_type) {
#endif // LWIP_IPV6=1
WifiSetState(1);
if (Settings.flag3.use_wifi_rescan) { // SetOption57 - Scan wifi network every 44 minutes for configured AP's
if (!(uptime % (60 * WIFI_RESCAN_MINUTES))) {
Wifi.scan_state = 2;
}
}
#ifdef FIRMWARE_MINIMAL
if (1 == RtcSettings.ota_loader) {
RtcSettings.ota_loader = 0;
ota_state_flag = 3;
}
#endif // FIRMWARE_MINIMAL
#ifdef USE_DISCOVERY
if (Settings.flag3.mdns_enabled) { // SetOption55 - Control mDNS service
if (!Wifi.mdns_begun) {
// if (mdns_delayed_start) {
// AddLog_P(LOG_LEVEL_INFO, PSTR(D_LOG_MDNS D_ATTEMPTING_CONNECTION));
// mdns_delayed_start--;
// } else {
// mdns_delayed_start = Settings.param[P_MDNS_DELAYED_START];
Wifi.mdns_begun = (uint8_t)MDNS.begin(my_hostname);
AddLog_P2(LOG_LEVEL_INFO, PSTR(D_LOG_MDNS "%s"), (Wifi.mdns_begun) ? D_INITIALIZED : D_FAILED);
// }
}
}
#endif // USE_DISCOVERY
#ifdef USE_WEBSERVER
if (Settings.webserver) {
StartWebserver(Settings.webserver, WiFi.localIP());
#ifdef USE_DISCOVERY
#ifdef WEBSERVER_ADVERTISE
if (1 == Wifi.mdns_begun) {
Wifi.mdns_begun = 2;
MDNS.addService("http", "tcp", WEB_PORT);
}
#endif // WEBSERVER_ADVERTISE
#endif // USE_DISCOVERY
} else {
StopWebserver();
}
#ifdef USE_EMULATION
#ifdef USE_DEVICE_GROUPS
if (Settings.flag2.emulation || Settings.flag4.device_groups_enabled) { UdpConnect(); }
#else // USE_DEVICE_GROUPS
if (Settings.flag2.emulation) { UdpConnect(); }
#endif // USE_DEVICE_GROUPS
#endif // USE_EMULATION
#endif // USE_WEBSERVER
#ifdef USE_KNX
if (!knx_started && Settings.flag.knx_enabled) { // CMND_KNX_ENABLED
KNXStart();
knx_started = true;
}
#endif // USE_KNX
} else {
WifiSetState(0);
#ifdef USE_EMULATION
UdpDisconnect();
#endif // USE_EMULATION
Wifi.mdns_begun = 0;
#ifdef USE_KNX
knx_started = false;
#endif // USE_KNX
}
}
}
}
int WifiState(void)
{
int state = -1;
if (!global_state.wifi_down) { state = WIFI_RESTART; }
if (Wifi.config_type) { state = Wifi.config_type; }
return state;
}
String WifiGetOutputPower(void)
{
char stemp1[TOPSZ];
dtostrfd((float)(Settings.wifi_output_power) / 10, 1, stemp1);
return String(stemp1);
}
void WifiSetOutputPower(void)
{
WiFi.setOutputPower((float)(Settings.wifi_output_power) / 10);
}
/*
See Esp.h, core_esp8266_phy.cpp and test_overrides.ino
RF_DEFAULT = 0, // RF_CAL or not after deep-sleep wake up, depends on init data byte 108.
RF_CAL = 1, // RF_CAL after deep-sleep wake up, there will be large current.
RF_NO_CAL = 2, // no RF_CAL after deep-sleep wake up, there will only be small current.
RF_DISABLED = 4 // disable RF after deep-sleep wake up, just like modem sleep, there will be the smallest current.
*/
#ifdef WIFI_RF_MODE_RF_CAL
#ifndef USE_DEEPSLEEP
RF_MODE(RF_CAL);
#endif // USE_DEEPSLEEP
#endif // WIFI_RF_MODE_RF_CAL
#ifdef WIFI_RF_PRE_INIT
bool rf_pre_init_flag = false;
RF_PRE_INIT()
{
#ifndef USE_DEEPSLEEP
system_deep_sleep_set_option(1); // The option is 1 by default.
system_phy_set_rfoption(RF_CAL);
#endif // USE_DEEPSLEEP
system_phy_set_powerup_option(3); // 3: RF initialization will do the whole RF calibration which will take about 200ms; this increases the current consumption.
rf_pre_init_flag = true;
}
#endif // WIFI_RF_PRE_INIT
void WifiConnect(void)
{
WifiSetState(0);
WifiSetOutputPower();
WiFi.persistent(false); // Solve possible wifi init errors
Wifi.status = 0;
Wifi.retry_init = WIFI_RETRY_OFFSET_SEC + (ESP.getChipId() & 0xF); // Add extra delay to stop overrun by simultanous re-connects
Wifi.retry = Wifi.retry_init;
Wifi.counter = 1;
memcpy((void*) &Wifi.bssid, (void*) Settings.wifi_bssid, sizeof(Wifi.bssid));
#ifdef WIFI_RF_PRE_INIT
if (rf_pre_init_flag) {
AddLog_P2(LOG_LEVEL_DEBUG, PSTR(D_LOG_WIFI "Pre-init done"));
}
#endif // WIFI_RF_PRE_INIT
}
void WifiShutdown(bool option = false)
{
// option = false - Legacy disconnect also used by DeepSleep
// option = true - Disconnect with SDK wifi calibrate sector erase when WIFI_FORCE_RF_CAL_ERASE enabled
delay(100); // Allow time for message xfer - disabled v6.1.0b
#ifdef USE_EMULATION
UdpDisconnect();
delay(100); // Flush anything in the network buffers.
#endif // USE_EMULATION
if (Settings.flag.mqtt_enabled) { // SetOption3 - Enable MQTT
MqttDisconnect();
delay(100); // Flush anything in the network buffers.
}
#ifdef WIFI_FORCE_RF_CAL_ERASE
if (option) {
WiFi.disconnect(false); // Disconnect wifi
SettingsErase(4); // Delete SDK wifi config and calibrate data
} else
#endif // WIFI_FORCE_RF_CAL_ERASE
{
// Enable from 6.0.0a until 6.1.0a - disabled due to possible cause of bad wifi connect on core 2.3.0
// Re-enabled from 6.3.0.7 with ESP.restart replaced by ESP.reset
// Courtesy of EspEasy
// WiFi.persistent(true); // use SDK storage of SSID/WPA parameters
ETS_UART_INTR_DISABLE();
wifi_station_disconnect(); // this will store empty ssid/wpa into sdk storage
ETS_UART_INTR_ENABLE();
// WiFi.persistent(false); // Do not use SDK storage of SSID/WPA parameters
}
delay(100); // Flush anything in the network buffers.
}
void EspRestart(void)
{
ResetPwm();
WifiShutdown(true);
CrashDumpClear(); // Clear the stack dump in RTC
// ESP.restart(); // This results in exception 3 on restarts on core 2.3.0
ESP_reset();
}
#ifndef ARDUINO_ESP8266_RELEASE_2_3_0
//
// Gratuitous ARP, backported from https://github.com/esp8266/Arduino/pull/6889
//
extern "C" {
#if LWIP_VERSION_MAJOR == 1
#include "netif/wlan_lwip_if.h" // eagle_lwip_getif()
#include "netif/etharp.h" // gratuitous arp
#else
#include "lwip/etharp.h" // gratuitous arp
#endif
}
unsigned long wifiTimer = 0;
void stationKeepAliveNow(void) {
AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR(D_LOG_WIFI "Sending Gratuitous ARP"));
for (netif* interface = netif_list; interface != nullptr; interface = interface->next)
if (
(interface->flags & NETIF_FLAG_LINK_UP)
&& (interface->flags & NETIF_FLAG_UP)
#if LWIP_VERSION_MAJOR == 1
&& interface == eagle_lwip_getif(STATION_IF) /* lwip1 does not set if->num properly */
&& (!ip_addr_isany(&interface->ip_addr))
#else
&& interface->num == STATION_IF
&& (!ip4_addr_isany_val(*netif_ip4_addr(interface)))
#endif
)
{
etharp_gratuitous(interface);
break;
}
}
void wifiKeepAlive(void) {
uint32_t wifiTimerSec = Settings.param[P_ARP_GRATUITOUS]; // 8-bits number of seconds, or minutes if > 100
if ((WL_CONNECTED != Wifi.status) || (0 == wifiTimerSec)) { return; } // quick exit if wifi not connected or feature disabled
if (TimeReached(wifiTimer)) {
stationKeepAliveNow();
if (wifiTimerSec > 100) {
wifiTimerSec = (wifiTimerSec - 100) * 60; // convert >100 as minutes, ex: 105 = 5 minutes, 110 = 10 minutes
}
SetNextTimeInterval(wifiTimer, wifiTimerSec * 1000);
}
}
#endif // ARDUINO_ESP8266_RELEASE_2_3_0
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