Curle
93729c40b5
Additionally, added header comments to all files. The next few commits will likely be structure and comment-related.
35 lines
721 B
C
Executable File
35 lines
721 B
C
Executable File
/************************
|
|
*** Team Kitty, 2019 ***
|
|
*** Sync ***
|
|
***********************/
|
|
|
|
/* This file provides an interface to
|
|
* the hardware timer / RTC. Not much
|
|
* more to be said about it. */
|
|
|
|
#include <kernel/utils.h>
|
|
#include <kernel.h>
|
|
#include <kernel/serial.h>
|
|
#include <kernel/descriptor_tables.h>
|
|
|
|
size_t timer_ticks = 0;
|
|
size_t flag = 0;
|
|
void timer_handler(struct int_frame* r) {
|
|
gdb_end();
|
|
timer_ticks++;
|
|
|
|
if(timer_ticks % 18 == 0) {
|
|
if(++flag % 2 == 0) {
|
|
serial_print(0x3F8, "Tick.");
|
|
} else {
|
|
serial_print(0x3F8, "Tock.");
|
|
}
|
|
}
|
|
|
|
if(timer_ticks > 18)
|
|
timer_ticks = 0;
|
|
}
|
|
|
|
void timer_install() {
|
|
irq_install_handler(0, &timer_handler);
|
|
} |