kernel/fifo.c


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#include "kernel.h"
#include "log.h"
#include "fifo.h"

#include "ringbuffer.h"

#include <stddef.h>

static ringbuffer fifo_ringbuffers[FIFO_MAX_RINGBUFFERS];
static ringbuffer_c=0;

bool fifo_put(fifo* f,uint8_t c)
{
    return f->put(f->data,c);
}

uint8_t fifo_get(fifo* f)
{
    return f->get(f->data);
}

bool fifo_has(fifo* f)
{
    return f->has(f->data);
}

fifo fifo_create_buffered(uint8_t size)
{
    if (ringbuffer_c>=FIFO_MAX_RINGBUFFERS) kpanic("ran out of ringbuffers for fifos");
    fifo f;
    fifo_ringbuffers[ringbuffer_c]=ringbuffer_init(size);
    f.data=&fifo_ringbuffers[ringbuffer_c];
    ringbuffer_c++;
    f.put=ringbuffer_put;
    f.get=ringbuffer_get;
    f.has=ringbuffer_has;
    return f;
}