7 #include <native/task.h>
8 #include <native/timer.h>
9 #include <native/intr.h>
19 void lpt1_handler(void *arg
)
22 rt_intr_create(&intr
, "lpt1 handler", LPT1IRQ
, 0);
23 rt_task_set_periodic(NULL
, TM_NOW
, 1e5
);
26 for(i
= 0; i
<SAMPLES
; i
++){
27 times
[i
] = rt_timer_read();
28 outb(inb(0x37A) & 0xEF, 0x37A);
29 outb(inb(0x37A) | 0x01, 0x37A);
30 // Signal other machine
31 rt_intr_wait(&intr
, TM_INFINITE
);
32 times
[i
] = rt_timer_read()-times
[i
];
33 rt_task_wait_period(NULL
);
37 file
= fopen("ex10d.csv", "w");
38 for(i
= 0; i
<SAMPLES
; i
++){
39 fprintf(file
, "%u,%llu\n", i
, times
[i
]);
44 int main(int argc
, char* argv
[])
46 rt_print_auto_init(1);
47 mlockall(MCL_CURRENT
| MCL_FUTURE
);
50 outb(inb(0x37A) | 0x01, 0x37A);
52 rt_task_create(&task
, "task", 0, 50, 0);
53 rt_task_start(&task
, &lpt1_handler
, 0);