ultra-low power/fast boot SDK for ESP32?

dgm3333
Posts: 1
Joined: Fri Jun 14, 2019 11:14 pm

ultra-low power/fast boot SDK for ESP32?

Postby dgm3333 » Fri Jun 14, 2019 11:37 pm

I would like to use the ESP32, BLE for a low power beacon
or Wifi, and the ULP processor to have a low power sensor platform which can make use of the capacitive inputs. However the wifi wake/ transmit/ sleep cycle is horribly slow (typically 10-15sec).

This has been dramatically sped up with the ESP8266 as follows, but I'm wondering if there is an equivalent SDK for the ESP32?
With this power consumption is approx 100x less per transmit cycle as below.

The following is a fastboot/low power version of the ESP8266 SDK, which can wake, transmit a wifi packet and sleep in ~100ms
https://github.com/pvvx/MinEspSDKLib
Translate readme.md from the original Russian
https://translate.google.com/translate? ... nEspSDKLib

Thanks

boarchuz
Posts: 95
Joined: Tue Aug 21, 2018 5:28 am

Re: ultra-low power/fast boot SDK for ESP32?

Postby boarchuz » Sat Jun 15, 2019 11:38 am

I would first address whatever is causing that to take 10-15 seconds with your current setup. That's an extraordinarily long time.

I share your frustration with deep sleep wakeup time though, so you may be as interested as I am in following/trying this: https://github.com/espressif/esp-idf/pull/3304

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