http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50314
--- Comment #3 from NickParker at Eaton dot com 2011-09-07 21:13:22 UTC --- #define T1_GET_TIMER_NON_ATOMIC() (TCNT1) uint16_t BGndTimerReadNowIsr(void) { uint16_t period_u2; period_u2 = T1_GET_TIMER_NON_ATOMIC(); return(period_u2); }