input.h File Reference

#include <stdbool.h>
#include <stdint.h>

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

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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