#define DEFINE_TIMER_ISR DECLARE_ISR_CONTEXT_SWITCH(TIMER0_COMPA_vect)
#else
#define DEFINE_TIMER_ISR DECLARE_ISR_CONTEXT_SWITCH(TIMER0_COMP_vect)
#define DEFINE_TIMER_ISR DECLARE_ISR_CONTEXT_SWITCH(TIMER0_COMPA_vect)
#else
#define DEFINE_TIMER_ISR DECLARE_ISR_CONTEXT_SWITCH(TIMER0_COMP_vect)