Promene

1 files changed, 3 insertions, 14 deletions

diff --git a/include/07.pit/timer.c b/include/07.pit/timer.c
index 390e512..3a8f159 100644
--- a/include/07.pit/timer.c
+++ b/include/07.pit/timer.c
@@ -1,20 +1,18 @@
+#include<source/timer.h>
 #include<types.h>
 #include<asm.h>
-#include<stdio.h>
-
-void add_idt_entry(size_t num,uint32_t offset);
+#include<source/stdio.h>
 
 uint32_t tick=0;
 const uint32_t TICKS_PER_SECOND=50;
 extern uint32_t time;
 uint32_t time=0;
 
-void timer_handler()
+void timer_handler(void)
 {
     tick++;
     if(tick==TICKS_PER_SECOND)
     {
-        //printf("%d seconds passed\n",time);
         tick=0;
         time++;
     }
@@ -25,21 +23,12 @@ void timer_handler()
 
 void init_timer(uint32_t frequency)
 {
-    // Firstly, register our timer callback.
-
-    // The value we send to the PIT is the value to divide it's input clock
-    // (1193180 Hz) by, to get our required frequency. Important to note is
-    // that the divisor must be small enough to fit into 16-bits.
     uint32_t divisor = 1193180 / frequency;
-
-    // Send the command byte.
     ioport_out(0x43, 0x36);
 
-    // Divisor has to be sent byte-wise, so split here into upper/lower bytes.
     uint8_t l = (uint8_t)(divisor & 0xFF);
     uint8_t h = (uint8_t)( (divisor>>8) & 0xFF );
 
-    // Send the frequency divisor.
     ioport_out(0x40, l);
     ioport_out(0x40, h);
 }