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
);
24 rt_printf("Sending\n");
27 for(i
= 0; i
<SAMPLES
; i
++){
28 times
[i
] = rt_timer_read();
29 outb(inb(0x378) & 0xEF, 0x378);
30 outb(inb(0x378) | 0x01, 0x378);
31 // Signal other machine
32 rt_intr_wait(&intr
, TM_INFINITE
);
33 times
[i
] = rt_timer_read()-times
[i
];
34 rt_task_wait_period(NULL
);
38 file
= fopen("ex10d.csv", "w");
39 for(i
= 0; i
<SAMPLES
; i
++){
40 fprintf(file
, "%u,%llu\n", i
, times
[i
]);
43 rt_printf("Done, you can press CRTL+C now\n");
46 int main(int argc
, char* argv
[])
48 rt_print_auto_init(1);
49 mlockall(MCL_CURRENT
| MCL_FUTURE
);
53 outb(inb(0x37A) | 0x01, 0x37A);
54 outb(inb(0x378) | 0x01, 0x378);
56 rt_task_create(&task
, "task", 0, 50, 0);
57 rt_task_start(&task
, &lpt1_handler
, 0);
60 outb(inb(0x37A) & 0xEF, 0x37A);