COSA
An Object-Oriented Platform for Arduino Programming
AnalogComparator.cpp
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1 
21 #include "Cosa/AnalogComparator.hh"
22 
23 AnalogComparator* AnalogComparator::s_comparator = NULL;
24 
25 void
26 AnalogComparator::on_interrupt(uint16_t arg)
27 {
28  Event::push(Event::CHANGE_TYPE, this, arg);
29 }
30 
31 ISR(ANALOG_COMP_vect)
32 {
33  if (UNLIKELY(AnalogComparator::s_comparator == NULL)) return;
34  AnalogComparator::s_comparator->on_interrupt();
35 }
NULL
#define NULL
Definition: Types.h:101
ISR
ISR(ANALOG_COMP_vect)
Definition: AnalogComparator.cpp:31
AnalogComparator::on_interrupt
virtual void on_interrupt(uint16_t arg=0)
Definition: AnalogComparator.cpp:26
AnalogComparator::s_comparator
static AnalogComparator * s_comparator
Current comparator.
Definition: AnalogComparator.hh:99
AnalogComparator::ANALOG_COMP_vect
friend void ANALOG_COMP_vect(void)
UNLIKELY
#define UNLIKELY(x)
Definition: Types.h:153
Event::push
static bool push(uint8_t type, Handler *target, uint16_t value=0)
Definition: Event.hh:180