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24 lines
552 B
C
24 lines
552 B
C
#ifndef SIMTRACE_RINGBUF_H
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#define SIMTRACE_RINGBUF_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <sys/types.h>
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#define RING_BUFLEN 512
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typedef struct ringbuf {
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uint8_t buf[RING_BUFLEN];
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size_t ird;
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size_t iwr;
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} ringbuf;
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void rbuf_reset(volatile ringbuf * rb);
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uint8_t rbuf_read(volatile ringbuf * rb);
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uint8_t rbuf_peek(volatile ringbuf * rb);
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int rbuf_write(volatile ringbuf * rb, uint8_t item);
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bool rbuf_is_empty(volatile ringbuf * rb);
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bool rbuf_is_full(volatile ringbuf * rb);
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#endif /* end of include guard: SIMTRACE_RINGBUF_H */
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