diff options
Diffstat (limited to 'include/arch')
| -rw-r--r-- | include/arch/arduino-nano/driver/timer.h | 15 | ||||
| -rw-r--r-- | include/arch/msp430fr5969lp/driver/timer.h | 40 |
2 files changed, 51 insertions, 4 deletions
diff --git a/include/arch/arduino-nano/driver/timer.h b/include/arch/arduino-nano/driver/timer.h index 267cb1d..98ef20e 100644 --- a/include/arch/arduino-nano/driver/timer.h +++ b/include/arch/arduino-nano/driver/timer.h @@ -1,23 +1,30 @@ #include <avr/io.h> #include <avr/interrupt.h> -#define ON_TIMER_INTERRUPT ISR(TIMER0_COMPA_vect) +#define ON_TIMER_INTERRUPT_head ISR(TIMER0_COMPA_vect) { +#define ON_TIMER_INTERRUPT_tail } class Timer { private: Timer(const Timer ©); - + unsigned char prescaler; public: Timer() {} - inline void setup(unsigned char const frequency) { + inline void setup_khz(unsigned char const frequency) { + OCR0A = frequency ? 255 / frequency : 1; + TCCR0A = _BV(WGM01); + prescaler = _BV(CS01) | _BV(CS00); + } + inline void setup_hz(unsigned char const frequency) { OCR0A = frequency ? 255 / frequency : 1; TCCR0A = _BV(WGM01); + prescaler = _BV(CS02) | _BV(CS00); } inline void start(unsigned char const interrupt) { TCNT0 = 0; - TCCR0B = _BV(CS01) | _BV(CS00); + TCCR0B = prescaler; if (interrupt) { TIMSK0 = _BV(OCIE0A); } diff --git a/include/arch/msp430fr5969lp/driver/timer.h b/include/arch/msp430fr5969lp/driver/timer.h new file mode 100644 index 0000000..34feb12 --- /dev/null +++ b/include/arch/msp430fr5969lp/driver/timer.h @@ -0,0 +1,40 @@ +#include <msp430.h> + +#define ON_TIMER_INTERRUPT_head __attribute__((interrupt(TIMER0_A1_VECTOR))) __attribute__((wakeup)) void handle_timer0_overflow() { if (TA0IV == 0x0e) { +#define ON_TIMER_INTERRUPT_tail } } + +class Timer { + private: + Timer(const Timer ©); + + public: + Timer() {} + + inline void setup_khz(uint16_t const frequency) { + TA0CTL = TASSEL__SMCLK | ID__8 | MC__UP; + TA0EX0 = 1; + TA0CCR0 = 1000 / frequency; + TA0CTL |= TACLR; + } + + inline void setup_hz(uint16_t const frequency) { + TA0CTL = TASSEL__SMCLK | ID__8 | MC__UP; + TA0EX0 = 1; + TA0CCR0 = 1000000 / frequency; + TA0CTL |= TACLR; + } + + inline void start(unsigned char const interrupt) { + if (interrupt) { + TA0CTL |= TACLR | TAIE; + } else { + TA0CTL |= TACLR; + } + } + + inline void stop() { + TA0CTL = 0; + } +}; + +extern Timer timer; |