Arduino - Solve the Overflow Problem with millis() and micros()

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Understand what is the overflow problem with millis() and micros(), how to solve it using a specific code structure, and how to still be able to get the exact time since the beginning of the Arduino program.

0:00 Intro
0:13 Recap on millis() and micros()
0:54 The overflow issue with millis() and micros()
2:46 The way to use micros() and millis() in your code
4:19 Why this code structure solves the overflow problem
6:35 How to get the time since beginning of the program
7:12 Outro

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Комментарии

Good explanation. I do not know why whenever people want to show how millis() works, buttons and leds and whatnots are used. The explanation using only code is ideal. Thank you!!!

johneagle

Thanks for the explanation! I’ve been racking my head for a week and as my test model can’t run for the amount of time needed to overflow I would have never found out until I got to full scale.

AutoAnomoly

So are you saying that we dont need to add any extra code to handle the overflow issue ? it is going to function normally even after the duration exceeds the maximum limit ?

ajayanchal

Thanks for the good explanation. I finally understood the problem with the overflow.

thomash.

i using uint64 for micros, the limit of uint64 is 2^64-1 (to prove it u can insert random number > 2^64-1 to uint64 variable and print to serial monitor ), but at the end its only show 2^32-1 and than return to 0.

soktahu

sometimes Accent problem is there when playing at 2x speed, in that case captions helps a lot So, please provide captions/subtitles in every videos

anoopsaxena

I had this issue and asked to chatGPT to correct and it created an overflow counter of millis function and solved the problem. Now my software can run forever

anlpereira

u didnt go to the end how to solve this puzzle by writing the code to the end.

tuom

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