Hello,

I created an application for ESP32 using VS2019 and Visualmicro.
Everthing worked fin. The application makes an AI read and somme calculations and DO outputs every 100µs.
I had checked that the main load in terms of time was the AI read.
I had checked with a separated simple test program time of AI read at 55µs aprox.

recently i changed my computer from W7 to W10, and from VS2019 to vs2022.
When I reloaded the program on the same ESP32 contrôler. The application has slowed down drastically, that means the full cycle changed from 70µS to 120µs.

So I checked again in a separated program only the time for a AI read, and now I find about 85µS instead of 55µs.

Any Idea why this important timing change happened ?

thanks for your help

best regards

Hello,

used same board, and tested on 5 other boards, always same result, change from 55 to  89 µs.

to do the benchmark I use extremely simple code, showing same problem than the real programm :

BeginInterupt = micros();
sensorValue = analogRead(sensorPin);
EndInterupt = micros();
TimeInterupt = EndInterupt - BeginInterupt ;
Serial.printlnTimeInterupt;

I am not an expert in deep software questions, this toolchain is what ?

thanks for your reply and your help

Armin