diff options
Diffstat (limited to 'include/arch/arduino-nano/driver/counter.h')
-rw-r--r-- | include/arch/arduino-nano/driver/counter.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/arch/arduino-nano/driver/counter.h b/include/arch/arduino-nano/driver/counter.h new file mode 100644 index 0000000..d387a35 --- /dev/null +++ b/include/arch/arduino-nano/driver/counter.h @@ -0,0 +1,27 @@ +#include <avr/io.h> +#include <avr/interrupt.h> + +class Counter { + private: + Counter(const Counter ©); + + public: + uint8_t overflowed; + + Counter() : overflowed(0) {} + + inline void start() { + overflowed = 0; + TCNT1 = 0; + TCCR1A = 0; + TCCR1B = _BV(CS10); + TIMSK1 = _BV(TOIE1); + } + + inline uint16_t stop() { + TCCR1B = 0; + return TCNT1; + } +}; + +extern Counter counter; |