buffer.h

Wind sensor for control speed air flow.

#ifndef _BUFFER_H
#define _BUFFER_H

#define CIRCULAR_BUFFER_SIZE		8

typedef struct
{ unsigned char nBuffer[CIRCULAR_BUFFER_SIZE];
  unsigned char nHeadIndex;
  unsigned char nTailIndex;
}bsCircBuffer;
typedef bsCircBuffer *pbsCircBuffer;
void buInitBuffer(pbsCircBuffer pBuffer);
unsigned char buIsBufferEmpty(pbsCircBuffer pBuffer);
unsigned char buIsBufferFull(pbsCircBuffer pBuffer);
unsigned char buWriteByte(pbsCircBuffer pBuffer, unsigned char nData);
unsigned char buReadByte(pbsCircBuffer pBuffer);

#endif