What is the best way to create a ten-minute measurement interval on a esp32

1

I have a T-Display S3 and a BME280 sensor module and want to log the temperature every ten minutes.
I use PlatformIO and the Arduino framework.
Could someone please advise me on the best way to accomplish this?
Thank you for any help

2

I don’t know if this is the best way, but I would do it this way:

void logTemperature() {
    Serial.println("Current temperature is...");
}

void logTemperatureEveryTenMinutes() {
    static uint32_t last_millis;
    uint32_t current_millis = millis();

    const uint32_t ten_minutes_in_milliseconds = 10 * 60  * 1000;
    const uint32_t elapsed_milliseconds = current_millis - last_millis;

    if (last_millis && elapsed_milliseconds < ten_minutes_in_milliseconds) return;

    last_millis = current_millis;

    logTemperature();
}

void loop() {
    logTemperatureEveryTenMinutes();
}
3

I think you hit the nail on the head.
This way I can do a couple of other things (check buttons, choose pressure temperature or humidity to display etc.) while I’m waiting for the next measurement.
I never used the millis() function, didn’t know it existed thank you sivar 2311.
If there are other ways of doing this, I’m still interested
Greetings Bert

4

Sorry, but this era of code is ECO disaster. MCU do nothink on max speed only eat power. Try learn deep sleep and RTC

5

I think your reply would be more helpful if you included an example. Many people who read these threads are looking for solutions and trying to learn as they go along.

1 Like
6

Copy existing is next ECO disaster … esp32 deep sleep rtc adc - Google Search