ds18b20.h

这是广西大学生设计大赛的源码

#ifndef _DS18B20_H_
#define _DS18B20_H_


#include "typedef.h"

 

typedef struct tOWBROM
{
 BYTE b[8];
}
OWBROM;

 


#define OWB_DEVICESEARCH 0xf0
#define OWB_ALARMSEARCH  0xec

#define OWB_DEFAULTCONFIG  0x7f

 

void owbDebugMain(void);
BIT  owbInit(void);

//void owbWriteBit(BIT bt);
//BIT  owbReadBit(void);

void owbWriteByte(BYTE byte);
BYTE owbReadByte(void);

void owbPreSearchDevices(OWBROM * pRomWant);
BIT  owbSearchPath(OWBROM * pRomWant, BYTE cmd);
void owbUnpreSearchDevices(void);
BOOL owbIsSearchEnd(OWBROM * pRomWant);
BIT  owbIncRom(OWBROM * pRom, BYTE nBit);

BYTE owbCountDevices(void);
BYTE owbGetCacheIndex(void);
void owbCacheSearch(void);
BYTE owbGetSearchIndex(void);
BYTE owbGetCacheROM(BYTE i);
BYTE owbGetSearchROM(BYTE i);

void owbReadMeasure(TEMPE * pT, BIT withSearchDevice);
void owbWriteConfig(BYTE th, BYTE tl, BYTE config, BIT withSearchDevice);
void owbReadAlarmValue(BYTE * pTH, BYTE * pTL, BIT withSearchDevice);

BIT  owbGetRomBit(OWBROM * pRom, BYTE nBit);
void owbSetRomBit(OWBROM * pRom, BYTE nBit);
void owbClrRomBit(OWBROM * pRom, BYTE nBit);

 

#endif