I was profiling the duration of some parts of my code and I noticed there are 500ms since the chip powers-up to the first line of the setup(), that seems a lot so I started digging what is done during this time. At this page the startup process is explained and here is where the setup() is called I…

[image] chemarytec: I noticed there are 500ms since the chip powers-up to the first line of the setup(), that seems a lot so I started digging what is done during this time. Why do you care what happens during a start up / reboot or how long it takes? Is there an actual problem you're trying …

Hi gfvalvo , I'm mainly curious, that's why omitted the use case explanation, but here it goes: I have a ESP32CAM with some sensors to record weather conditions that I have left unattended in a remote location, I have modified the circuit to draw as low as 150uAh in deep sleep. The first thing it do…

ESP32 what is executed before setup()

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gfvalvo May 27, 2023, 3:36am 2

Why do you care what happens during a start up / reboot or how long it takes? Is there an actual problem you're trying to solve?

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ESP32 what is executed before setup()

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