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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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59
libraries/ESP8266WiFi/examples/EarlyDisableWiFi/EarlyDisableWiFi.ino
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@ -1,59 +0,0 @@
#include <ESP8266WiFi.h>
#include <AddrList.h>
#ifndef STASSID
#define STASSID "your-ssid"
#define STAPSK "your-password"
#endif
// preinit() is called before system startup
// from nonos-sdk's user entry point user_init()
void preinit() {
// Global WiFi constructors are not called yet
// (global class instances like WiFi, Serial... are not yet initialized)..
// No global object methods or C++ exceptions can be called in here!
//The below is a static class method, which is similar to a function, so it's ok.
ESP8266WiFiClass::preinitWiFiOff();
}
void setup() {
Serial.begin(115200);
Serial.setDebugOutput(true);
Serial.println("sleeping 5s");
// during this period, a simple amp meter shows
// an average of 20mA with a Wemos D1 mini
// a DSO is needed to check #2111
delay(5000);
Serial.println("waking WiFi up, sleeping 5s");
WiFi.forceSleepWake();
// amp meter raises to 75mA
delay(5000);
Serial.println("connecting to AP " STASSID);
WiFi.mode(WIFI_STA);
WiFi.begin(STASSID, STAPSK);
for (bool configured = false; !configured;) {
for (auto addr : addrList)
if ((configured = !addr.isLocal() && addr.ifnumber() == STATION_IF)) {
Serial.printf("STA: IF='%s' hostname='%s' addr= %s\n",
addr.ifname().c_str(),
addr.ifhostname(),
addr.toString().c_str());
break;
}
Serial.print('.');
delay(500);
}
// amp meter cycles within 75-80 mA
}
void loop() {
}

5
libraries/ESP8266WiFi/examples/WiFiShutdown/WiFiShutdown.ino
View File

@ -24,11 +24,6 @@ WiFiState state;
const char* ssid = STASSID;
const char* password = STAPSK;
void preinit(void) {
// Make sure, wifi stays off after boot.
ESP8266WiFiClass::preinitWiFiOff();
}
void setup() {
Serial.begin(74880);
//Serial.setDebugOutput(true); // If you need debug output