This reverts commit 527dcdf3b9. This was causing the MPU6000 startup code to fail, due to time running backwards.
527dcdf3b9
- More efficient code by using 16-bit timer - micros() now has proper 1 us resolution and less overhead - millis() has less overhead - removed unneeded/unwanted initializatin of timers in AVRTimer::init() pull request 62, approved and merged by pat