root / lab3 / timer.c @ 392
History | View | Annotate | Download (363 Bytes)
| 1 | 60 | up20180642 | #include <lcom/lcf.h> |
|---|---|---|---|
| 2 | |||
| 3 | #include "timer.h" |
||
| 4 | |||
| 5 | #include "i8254.h" |
||
| 6 | |||
| 7 | int (subscribe_timer_interrupt)(uint8_t interrupt_bit, int *interrupt_id) { |
||
| 8 | if (interrupt_id == NULL) return 1; |
||
| 9 | *interrupt_id = interrupt_bit; |
||
| 10 | return (sys_irqsetpolicy(TIMER0_IRQ, IRQ_REENABLE, interrupt_id));
|
||
| 11 | } |
||
| 12 | |||
| 13 | int no_interrupts = 0; |
||
| 14 | void (timer_int_handler)() {
|
||
| 15 | no_interrupts++; |
||
| 16 | } |