input.c File Reference

#include "devices/input.h"
#include <debug.h>
#include "devices/intq.h"
#include "devices/serial.h"

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Functions
void	input_init (void)
void	input_putc (uint8_t key)
uint8_t	input_getc (void)
bool	input_full (void)

Variables
static struct intq	buffer

Function Documentation

input_full()

bool input_full

(

void

)

                  {
    ASSERT (intr_get_level () == INTR_OFF);
    return intq_full (&buffer);
}

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input_getc()

uint8_t input_getc

(

void

)

                  {
    enum intr_level old_level;
    uint8_t key;
 
    old_level = intr_disable ();
    key = intq_getc (&buffer);
    serial_notify ();
    intr_set_level (old_level);
 
    return key;
}

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input_init()

void input_init

(

void

)

                  {
    intq_init (&buffer);
}

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input_putc()

void input_putc

(

uint8_t

key

)

                         {
    ASSERT (intr_get_level () == INTR_OFF);
    ASSERT (!intq_full (&buffer));
 
    intq_putc (&buffer, key);
    serial_notify ();
}

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Variable Documentation

buffer

struct intq buffer

static