Subversion Repositories Code-Repo

#ifndef __circular_buffer_h

#define __circular_buffer_h

#include "maindefs.h"

#include "xbee.h"

#define BUFFER_OK       0

#define BUFFER_ERROR    -1

#ifdef _BASE_STATION

#define BUFFER_SIZE     30

#else

#define BUFFER_SIZE     30 //(max is 125 for some reason)

#endif

typedef struct __BUFFER_DATA {

    unsigned int index_read;

    unsigned int index_write;

    unsigned int stored_length;

    unsigned char *buffer;

} BUFFER_DATA; // 7 bytes overhead

void buffer_init(BUFFER_DATA *);

char buffer_insert_one(unsigned char);

char buffer_insert(unsigned char length, unsigned char *msg);

char buffer_read(unsigned char length, unsigned char *dest);

unsigned int buffer_free_space(void);

#endif