2011-08-08 15:37:14 +02:00
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/**
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******************************************************************************
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*
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* @file fifo_buffer.h
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
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* @brief GPIO functions header.
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* @see The GNU Public License (GPL) Version 3
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*
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*****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _FIFO_BUFFER_H_
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#define _FIFO_BUFFER_H_
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2011-08-09 08:19:05 +02:00
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#include "stdint.h"
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2011-08-08 15:37:14 +02:00
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// *********************
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typedef struct
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{
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uint8_t *buf_ptr;
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volatile uint16_t rd;
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volatile uint16_t wr;
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uint16_t buf_size;
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} t_fifo_buffer;
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// *********************
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uint16_t fifoBuf_getSize(t_fifo_buffer *buf);
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uint16_t fifoBuf_getUsed(t_fifo_buffer *buf);
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uint16_t fifoBuf_getFree(t_fifo_buffer *buf);
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void fifoBuf_clearData(t_fifo_buffer *buf);
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void fifoBuf_removeData(t_fifo_buffer *buf, uint16_t len);
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int16_t fifoBuf_getBytePeek(t_fifo_buffer *buf);
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int16_t fifoBuf_getByte(t_fifo_buffer *buf);
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uint16_t fifoBuf_getDataPeek(t_fifo_buffer *buf, void *data, uint16_t len);
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uint16_t fifoBuf_getData(t_fifo_buffer *buf, void *data, uint16_t len);
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uint16_t fifoBuf_putByte(t_fifo_buffer *buf, const uint8_t b);
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uint16_t fifoBuf_putData(t_fifo_buffer *buf, const void *data, uint16_t len);
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void fifoBuf_init(t_fifo_buffer *buf, const void *buffer, const uint16_t buffer_size);
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// *********************
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#endif
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