51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/*
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* =====================================================================================
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*
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* ________ .__ __ ________ ____ ________
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* \_____ \ __ __|__| ____ | | __\______ \ _______ _/_ |/ _____/
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* / / \ \| | \ |/ ___\| |/ / | | \_/ __ \ \/ /| / __ \
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* / \_/. \ | / \ \___| < | ` \ ___/\ / | \ |__\ \
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* \_____\ \_/____/|__|\___ >__|_ \/_______ /\___ >\_/ |___|\_____ /
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* \__> \/ \/ \/ \/ \/
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*
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* www.optixx.org
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*
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*
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* Version: 1.0
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* Created: 07/21/2009 03:32:16 PM
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* Author: david@optixx.org
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*
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* =====================================================================================
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*/
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#include "fifo.h"
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void fifo_init(fifo_t * f, uint8_t * buffer, const uint8_t size)
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{
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f->count = 0;
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f->pread = f->pwrite = buffer;
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f->read2end = f->write2end = f->size = size;
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}
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uint8_t fifo_put(fifo_t * f, const uint8_t data)
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{
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return _inline_fifo_put(f, data);
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}
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uint8_t fifo_get_wait(fifo_t * f)
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{
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while (!f->count);
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return _inline_fifo_get(f);
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}
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int fifo_get_nowait(fifo_t * f)
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{
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if (!f->count)
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return -1;
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return (int) _inline_fifo_get(f);
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}
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