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[BREAKING] Disable WiFi at boot by default (#7902)

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* Disable WiFi at boot by default

* +define WIFI_IS_OFF_AT_BOOT

* remove now useless example

* mv enableWiFiAtBootTime() to core_esp8266_features.h

* sync with master

* per @earlephilhower review: a file was missing

* doc

* WiFi persistence is now false by default

* fix doc

* ditto

* doc: remove sphinx warnings (fix links and formatting)

* fix link name

* fix doc

* legacy: restore persistence

* undeprecate preinit()

* move force modem up to when mode has changed (per @mcspr review)

* do not wake up from sleep when mode if OFF

* fix doc per review
This commit is contained in:
david gauchard
2021-04-09 23:01:11 +02:00
committed by GitHub
parent da6ec83b5f
commit 1cc6960a55
22 changed files with 107 additions and 142 deletions
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36
libraries/ESP8266WiFi/src/ESP8266WiFiGeneric.cpp
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@ -83,7 +83,7 @@ struct WiFiEventHandlerOpaque
static std::list<WiFiEventHandler> sCbEventList;
bool ESP8266WiFiGenericClass::_persistent = true;
bool ESP8266WiFiGenericClass::_persistent = false;
WiFiMode_t ESP8266WiFiGenericClass::_forceSleepLastMode = WIFI_OFF;
ESP8266WiFiGenericClass::ESP8266WiFiGenericClass()
@ -418,12 +418,6 @@ bool ESP8266WiFiGenericClass::mode(WiFiMode_t m, WiFiState* state) {
DEBUG_WIFI("core: state is useless without SHUTDOWN or RESUME\n");
}
if (wifi_fpm_get_sleep_type() != NONE_SLEEP_T) {
// wifi may have been put asleep by ESP8266WiFiGenericClass::preinitWiFiOff
wifi_fpm_do_wakeup();
wifi_fpm_close();
}
if(_persistent){
if(wifi_get_opmode() == (uint8) m && wifi_get_opmode_default() == (uint8) m){
return true;
@ -432,6 +426,12 @@ bool ESP8266WiFiGenericClass::mode(WiFiMode_t m, WiFiState* state) {
return true;
}
if (m != WIFI_OFF && wifi_fpm_get_sleep_type() != NONE_SLEEP_T) {
// wifi starts asleep by default
wifi_fpm_do_wakeup();
wifi_fpm_close();
}
bool ret = false;
ETS_UART_INTR_DISABLE();
if(_persistent) {
@ -855,25 +855,7 @@ bool ESP8266WiFiGenericClass::resumeFromShutdown (WiFiState* state)
return true;
}
//meant to be called from user-defined ::preinit()
void ESP8266WiFiGenericClass::preinitWiFiOff () {
// https://github.com/esp8266/Arduino/issues/2111#issuecomment-224251391
// WiFi.persistent(false);
// WiFi.mode(WIFI_OFF);
// WiFi.forceSleepBegin();
//WiFi.mode(WIFI_OFF) equivalent:
// datasheet:
// Set Wi-Fi working mode to Station mode, SoftAP
// or Station + SoftAP, and do not update flash
// (not persistent)
wifi_set_opmode_current(WIFI_OFF);
//WiFi.forceSleepBegin(/*default*/0) equivalent:
// sleep forever until wifi_fpm_do_wakeup() is called
wifi_fpm_set_sleep_type(MODEM_SLEEP_T);
wifi_fpm_open();
wifi_fpm_do_sleep(0xFFFFFFF);
// use WiFi.forceSleepWake() to wake WiFi up
// It was meant to be called from user-defined ::preinit()
// It is now deprecated by enableWiFiAtBootTime() and __disableWiFiAtBootTime()
}