buffer.h

实现功能ATmega单片机上处理GSM模块的数据

#ifndef BUFFER_H
#define BUFFER_H

typedef struct struct_cBuffer
{
	unsigned char *dataptr;			///< the physical memory address where the buffer is stored
	unsigned short size;			///< the allocated size of the buffer
	unsigned short datalength;		///< the length of the data currently in the buffer
	unsigned short dataindex;		///< the index into the buffer where the data starts
} cBuffer;

void			bufferInit(cBuffer* buffer, unsigned char *start, unsigned short size);

unsigned char	bufferGetFromFront(cBuffer* buffer);

void bufferDumpFromFront(cBuffer* buffer, unsigned short numbytes);

unsigned char	bufferGetAtIndex(cBuffer* buffer, unsigned short index);

unsigned char	bufferAddToEnd(cBuffer* buffer, unsigned char data);

unsigned char	bufferIsNotFull(cBuffer* buffer);

void			bufferFlush(cBuffer* buffer);

#endif