pintos/src/devices/pit.c File Reference

#include "devices/pit.h"
#include <debug.h>
#include <stdint.h>
#include "threads/interrupt.h"
#include "threads/io.h"

Go to the source code of this file.

Defines
#define	PIT_PORT_CONTROL   0x43
#define	PIT_PORT_COUNTER(CHANNEL)   (0x40 + (CHANNEL))
#define	PIT_HZ   1193180
Functions
void	pit_configure_channel (int channel, int mode, int frequency)

---

Define Documentation

#define PIT_HZ   1193180

Definition at line 16 of file pit.c.

Referenced by pit_configure_channel().

#define PIT_PORT_CONTROL   0x43

Definition at line 12 of file pit.c.

Referenced by pit_configure_channel().

#define PIT_PORT_COUNTER

(

CHANNEL

)

(0x40 + (CHANNEL))

Definition at line 13 of file pit.c.

Referenced by pit_configure_channel().

---

Function Documentation

void pit_configure_channel	(	int	channel,
		int	mode,
		int	frequency
	)

Definition at line 47 of file pit.c.

References ASSERT, intr_disable(), intr_set_level(), outb(), PIT_HZ, PIT_PORT_CONTROL, and PIT_PORT_COUNTER.

Referenced by speaker_on(), and timer_init().