AVR Micros and Millis
<p>I am working on a project and I am trying to prevent using any of the Arduino libraries since allot of them come with extra "Junk" and are not as fast as the core AVR libraries. </p>

<p>My question is if there is a AVR library that includes the equivalent of Arduino's millis() and micros() functions or if I need to write my own library?</p>

<p>I realize that I could use a timer and ISR to increment a value to keep track of the ticks but why reinvent the wheel if it is not necessary.</p>