mirror of
https://bitbucket.org/librepilot/librepilot.git
synced 2024-11-30 08:24:11 +01:00
91e6fb1485
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@2030 ebee16cc-31ac-478f-84a7-5cbb03baadba
69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/**
|
|
******************************************************************************
|
|
*
|
|
* @file fifo_buffer.h
|
|
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
|
|
* @brief GPIO functions header.
|
|
* @see The GNU Public License (GPL) Version 3
|
|
*
|
|
*****************************************************************************/
|
|
/*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
|
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef _FIFO_BUFFER_H_
|
|
#define _FIFO_BUFFER_H_
|
|
|
|
#include "stm32f10x.h"
|
|
|
|
#define FIFO_BUFFER_SIZE 512
|
|
|
|
// *********************
|
|
|
|
typedef struct
|
|
{
|
|
uint8_t buffer[FIFO_BUFFER_SIZE] __attribute__ ((aligned(4)));
|
|
// uint8_t buffer[FIFO_BUFFER_SIZE];
|
|
volatile uint16_t rd;
|
|
volatile uint16_t wr;
|
|
uint16_t buf_size;
|
|
} t_fifo_buffer;
|
|
|
|
// *********************
|
|
|
|
uint16_t fifoBuf_size(t_fifo_buffer *buf);
|
|
|
|
uint16_t fifoBuf_getUsed(t_fifo_buffer *buf);
|
|
uint16_t fifoBuf_getFree(t_fifo_buffer *buf);
|
|
|
|
void fifoBuf_clearData(t_fifo_buffer *buf);
|
|
void fifoBuf_removeData(t_fifo_buffer *buf, uint16_t len);
|
|
|
|
int16_t fifoBuf_getBytePeek(t_fifo_buffer *buf);
|
|
int16_t fifoBuf_getByte(t_fifo_buffer *buf);
|
|
|
|
uint16_t fifoBuf_getDataPeek(t_fifo_buffer *buf, void *data, uint16_t len);
|
|
uint16_t fifoBuf_getData(t_fifo_buffer *buf, void *data, uint16_t len);
|
|
|
|
uint16_t fifoBuf_putByte(t_fifo_buffer *buf, const uint8_t b);
|
|
|
|
uint16_t fifoBuf_putData(t_fifo_buffer *buf, const void *data, uint16_t len);
|
|
|
|
void fifoBuf_init(t_fifo_buffer *buf);
|
|
|
|
// *********************
|
|
|
|
#endif
|