avr_software_emulator.h File Reference

#include <avr/interrupt.h>
#include <avr/wdt.h>

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Macros
#define	ZRTOS_BOARD__FOUND
#define	ZRTOS_BOARD__TICK_PERIOD_MS   1
#define	ZRTOS_BOARD__WATCH_DOG_START()   wdt_enable(WDTO_8S);
#define	ZRTOS_BOARD__WATCH_DOG_STOP()   wdt_disable();
#define	ZRTOS_BOARD__WATCH_DOG_RESET()   wdt_reset();

Functions
void	zrtos_board__start_tick_timer (void)
void	zrtos_board__stop_tick_timer (void)
	ISR (TIMER1_COMPA_vect, ISR_NAKED)
	ISR (WDT_vect, ISR_NAKED)

Macro Definition Documentation

ZRTOS_BOARD__FOUND

#define ZRTOS_BOARD__FOUND

Definition at line 15 of file avr_software_emulator.h.

ZRTOS_BOARD__TICK_PERIOD_MS

#define ZRTOS_BOARD__TICK_PERIOD_MS   1

Definition at line 22 of file avr_software_emulator.h.

ZRTOS_BOARD__WATCH_DOG_RESET

#define ZRTOS_BOARD__WATCH_DOG_RESET

(

)

wdt_reset();

Definition at line 63 of file avr_software_emulator.h.

ZRTOS_BOARD__WATCH_DOG_START

#define ZRTOS_BOARD__WATCH_DOG_START

(

)

wdt_enable(WDTO_8S);

Definition at line 57 of file avr_software_emulator.h.

ZRTOS_BOARD__WATCH_DOG_STOP

#define ZRTOS_BOARD__WATCH_DOG_STOP

(

)

wdt_disable();

Definition at line 60 of file avr_software_emulator.h.

Function Documentation

ISR() [1/2]

ISR	(	TIMER1_COMPA_vect	,
		ISR_NAKED
	)

Definition at line 48 of file avr_software_emulator.h.

                                {
    ZRTOS_ARCH__SAVE_CPU_STATE();
    zrtos_board__on_tick();
    //avr/time.h system_tick();
    ZRTOS_ARCH__LOAD_CPU_STATE();
    zrtos_board__on_tick_naked();
    ZRTOS_ARCH__RETURN_FROM_INTERRUPT();
}

ISR() [2/2]

ISR	(	WDT_vect	,
		ISR_NAKED
	)

Definition at line 66 of file avr_software_emulator.h.

                       {
    ZRTOS_ARCH__FATAL();
}

zrtos_board__start_tick_timer()

void zrtos_board__start_tick_timer

(

void

)

Definition at line 24 of file avr_software_emulator.h.

                                        {
    ZRTOS_ARCH__DISABLE_INTERRUPTS();
    // Clear registers
    TCCR1A = 0;
    TCCR1B = 0;
    TCNT1 = 0;

    // 1000 Hz (16000000/((249+1)*64))
    OCR1A = 249;
    // CTC
    TCCR1B |= (1 << WGM12);
    // Prescaler 64
    TCCR1B |= (1 << CS11) | (1 << CS10);
    // Output Compare Match A Interrupt Enable
    TIMSK1 |= (1 << OCIE1A);
    ZRTOS_ARCH__ENABLE_INTERRUPTS();
}

zrtos_board__stop_tick_timer()

void zrtos_board__stop_tick_timer

(

void

)

Definition at line 42 of file avr_software_emulator.h.

                                       {
    ZRTOS_ARCH__DISABLE_INTERRUPTS();
    TIMSK1 &= ~(1 << OCIE1A);
    ZRTOS_ARCH__ENABLE_INTERRUPTS();
}