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Merged
merged 5 commits into from
May 8, 2022
Merged

Update millis.adoc #698

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f771089
Update millis.adoc
Arnold-n Aug 31, 2019
bed5bee
Clarification TIMx use by AVR architectures
Arnold-n Sep 21, 2021
ecd4dfc
Clarification Systick use by SAM(D) architectures
Arnold-n Sep 21, 2021
36b3857
Simplify language.
Arnold-n Sep 21, 2021
272d3dd
Update Language/Functions/Time/millis.adoc
Arnold-n May 8, 2022
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2 changes: 2 additions & 0 deletions Language/Functions/Time/millis.adoc
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Expand Up @@ -66,6 +66,8 @@ void loop() {
=== Notes and Warnings
Please note that the return value for millis() is of type `unsigned long`, logic errors may occur if a programmer tries to do arithmetic with smaller data types such as `int`. Even signed `long` may encounter errors as its maximum value is half that of its unsigned counterpart.

Reconfiguration of the microcontroller's timers may result in inaccurate `millis()` readings. The "Arduino AVR Boards" and "Arduino megaAVR Boards" cores use Timer0 to generate `millis()`. The "Arduino ARM (32-bits) Boards" and "Arduino SAMD (32-bits ARM Cortex-M0+) Boards" cores use the SysTick timer.

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// HOW TO USE SECTION ENDS

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