ESP8266 Community Forum

- Mon Jul 20, 2015 3:19 am #23689 Those are great generic client examples, but they utterly fail to represent the question I asked unless I'm completely dense.

Nowhere in any of the code referenced did I find a call to ESP.deepSleep(), let alone one which specified WAKE_RF_DISABLED.

I have a working client already, so long as I use WAKE_RF_DEFAULT. I haven't tried the other wakeful states as they, too, are going to intermittently (at least) bring up the WiFi and consume extra power. Probably slightly less than WAKE_RF_DEFAULT, but I'm really looking for a solution with WAKE_RF_DISABLED.

However, I want to wake up with RF turned completely off until I'm ready to use the WiFi so I don't waste a bunch of extra power powering WiFi idle states.

So... I repeat my initial question succinctly: "Is there a way in software to enable the WiFi on an ESP8266 after waking up in WAKE_RF_DISABLED mode from ESP.deepSleep(microseconds, WAKE_RF_DISABLED);?

- Mon Jul 20, 2015 4:03 am #23690 I've never found a way to do that, i suspect its not possible with the current sdk code. So what i've done is when its ready to send something do another deepSleep for one micorsecond with wifi enabled on wakeup.

- Mon Jul 20, 2015 7:35 am #23704 Yeah, that doesn't quite work in my case because resetting the processor loses the volatile memory containing the stuff I want to send.